A camera optical lens is provided according to the present disclosure, which includes in sequence from an object side to an image side: a first lens, a second lens, a third lens, a fourth lens, a fifth lens, and a sixth lens. The camera optical lens satisfies the following conditions: nd1≥1.70, and (FOV*f)/IH≥120.00. nd1 represents a refractive index of the first lens, FOV represents a field of view of the camera optical lens, f represents a focal length of the camera optical lens, and IH represents an image height of the camera optical lens. The camera optical lens according to the present disclosure has good optical performance, and can meet the design requirements of large aperture and miniaturization with good reception effect.
G02B 13/00 - Optical objectives specially designed for the purposes specified below
G02B 1/04 - Optical elements characterised by the material of which they are madeOptical coatings for optical elements made of organic materials, e.g. plastics
G02B 9/62 - Optical objectives characterised both by the number of the components and their arrangements according to their sign, i.e. + or – having six components only
Disclosed is a camera optical lens. The camera optical lens includes from an object side to an image side in sequence: a first lens, a second lens, a third lens, a fourth lens, a fifth lens, a sixth lens, a seventh lens, and an eighth lens. The camera optical lens satisfies the following conditions: 1.00≤d3/d1≤3.00; 0.20≤R3/R4≤0.90; 1.00≤f4/f3≤4.00; 0.50≤f6/f7≤1.40; 1.80≤nd8≤2.20. The thicknesses on-axis of the first lens and the second lens are d1 and d3, respectively. The curvature radius of the object side surface and image side surface of the second lens are R3 and R4, respectively. The focal lengths of the third lens, the fourth lens, the sixth lens, and the seventh lens are f3, f4, f6, and f7, respectively. The refractive index of the eighth lens is nd8. The camera optical lens has good optical performance and is characterized by a large aperture and miniaturization.
G02B 13/00 - Optical objectives specially designed for the purposes specified below
G02B 9/64 - Optical objectives characterised both by the number of the components and their arrangements according to their sign, i.e. + or – having more than six components
The present invention provides a composite film layer structure. The composite film layer structure comprises a substrate, and an intermediate layer, a first low reflection film layer, and a second low reflection film layer which are sequentially coated on the substrate. The equivalent refractive index of the second low reflection film layer is less than that of the first low reflection film layer. When the angle of incidence is 0°, the average reflectivity of the composite film layer structure in a waveband of 380-980 nm is less than 0.1%, so that the composite film layer structure has the characteristics of ultralow reflectivity and low scattering, and the problem of fogging in real photography is effectively solved, significantly improving the image quality.
The present disclosure relates to optical lenses and discloses a camera optical lens including, from an object side to an image side in sequence: a first lens having a negative refractive power, a second lens having a refractive power, a third lens having a positive refractive power, a fourth lens having a positive refractive power, a fifth lens having a negative refractive power, a sixth lens having a positive refractive power, and a seventh lens having a negative refractive power. The camera optical lens satisfies following conditions: 0≤(R1+R2)/(R1−R2)≤0.50; 110.00≤(FOV*f)/IH≤140.00; −1.70≤f1/f≤1.10; and −3.00≤R5/R6≤−0.50. The camera optical lens in the present disclosure meets a design requirement for the large aperture, ultra-thinness and wide angle.
G02B 13/00 - Optical objectives specially designed for the purposes specified below
G02B 9/64 - Optical objectives characterised both by the number of the components and their arrangements according to their sign, i.e. + or – having more than six components
The composite membrane layer structure provided by the present application includes a substrate and an intermediate layer, a first low-reflective membrane layer and a second low-reflective membrane layer sequentially coated on the substrate. An equivalent refractive index of the second low-reflective membrane layer is less than an equivalent refractive index of the first low-reflective membrane layer. An average value of reflectivity of the composite membrane layer structure is less than 0.1% in the 380-980 nm wavelength band at the angle of incidence of 0°, so that it has ultra-low reflectivity and low scattering characteristics, effectively solving the problem of fogging during actual shooting, and significantly improving the image quality.
The present disclosure relates to the field of optical lens, and provides a camera optical lens, including, from an object side to an image side, a first lens, a second lens, a third lens, a fourth lens, a fifth lens and a sixth lens. The camera optical lens satisfies: 6.00≤R2/R1≤25.00, 2.00≤(R7+R8)/(R7−R8)≤9.00, and 3.00≤(d5+d9)/d7≤9.00. R1 represents a curvature radius of an object side surface of the first lens, R2 represents a curvature radius of an image side surface of the first lens, R7 represents a curvature radius of an object side surface of the fourth lens, R8 represents a curvature radius of an image side surface of the fourth lens, d5 represents an on-axis thickness of the third lens, d7 represents an on-axis thickness of the fourth lens, and d9 represents an on-axis thickness of the fifth lens.
G02B 9/62 - Optical objectives characterised both by the number of the components and their arrangements according to their sign, i.e. + or – having six components only
G02B 13/18 - Optical objectives specially designed for the purposes specified below with lenses having one or more non-spherical faces, e.g. for reducing geometrical aberration
The present disclosure relates to the field of optical lenses, and more specifically to a camera optical lens. The camera optical lens includes five lenses, which include, from an object side to an image side in sequence: a first lens having a positive refractive power, a second lens having a positive refractive power, a third lens having a negative refractive power, a fourth lens having a positive refractive power, and a fifth lens having a negative refractive power. The camera optical lens satisfies following relationships: 3.00≤f2/f≤12.00; 1.10≤(R9+R10)/(R9−R10)≤1.90; 1.00≤d1/d2≤4.00; and 2.00≤R6/R5≤15.00. The camera optical lens according to the present disclosure can meet the design requirement of large aperture, wide-angle and ultra-thinness.
G02B 13/00 - Optical objectives specially designed for the purposes specified below
G02B 9/60 - Optical objectives characterised both by the number of the components and their arrangements according to their sign, i.e. + or – having five components only
Disclosed is a camera optical lens, including: a first lens, a second lens, a third lens, a fourth lens, a fifth lens, a sixth lens and a seventh lens. The first, third, and six lenses have a positive refractive force, and the second, fourth, fifth, and seven lenses have a negative refractive force. An Abbe number of the first lens is vi; a central radius of curvature of an objective surface of the fifth lens is R9, a central radius of curvature of an image surface thereof is R10; an on-axis thickness of the fourth lens is d7, and an on-axis distance between the fourth and fifth lenses is d8; a central radius of curvature of an objective surface of the sixth lens is R11, a central radius of curvature of an image surface thereof is R12, and the following relationship expressions are satisfied: 60.00≤v1≤82.00; 2.50≤R9/R10≤30.00; 0.35≤d7/d8≤1.00; 3.00≤R12/R11≤10.00.
G02B 9/64 - Optical objectives characterised both by the number of the components and their arrangements according to their sign, i.e. + or – having more than six components
G02B 13/00 - Optical objectives specially designed for the purposes specified below
Disclosed is a camera optical lens including seven lenses. The seven lenses comprise: a first lens, a second lens, a third lens, a fourth lens, a fifth lens, a sixth lens, and a seventh lens. n1 denotes a refractive index of the first lens, d6 denotes a distance on-axis between an image side surface of the third lens and an object side surface of the fourth lens, TTL denotes a total track length, FOV denotes a field of view, f denotes a focal length, UH denotes an image height of 1.0H, R13 denotes a central curvature radius of an object side surface of the seventh lens, and R14 denotes a central curvature radius of an image side surface of the seventh lens, satisfying the following conditions: n1≥1.70; 0.06≤d6/TTL≤0.08; 100.00≤(FOV×f)/IH≤130.00; −1.00≤(R13+R14)/(R13−R14)≤−0.70.
G02B 13/00 - Optical objectives specially designed for the purposes specified below
G02B 9/64 - Optical objectives characterised both by the number of the components and their arrangements according to their sign, i.e. + or – having more than six components
A camera optical lens includes in sequence from an object side to an image side: a first lens having a negative refractive power, a second lens, a third lens, a fourth lens, a fifth lens, and a sixth lens. The camera optical lens satisfies the following conditions: −1.70≤f1/f≤−1.40; 0.11
G02B 13/00 - Optical objectives specially designed for the purposes specified below
G02B 9/62 - Optical objectives characterised both by the number of the components and their arrangements according to their sign, i.e. + or – having six components only
A camera optical lens is provided, which includes seven lenses in sequence from an object side to an image side: a first lens, a second lens, a third lens, a fourth lens, a fifth lens, a sixth lens, and a seventh lens. The camera optical lens satisfies the following conditions: −6.50≤f5/f6≤−2.30, 0.035≤d6/TTL≤0.055, and −3.50≤R7/R8≤−1.80. f5 represents a focal length of the fifth lens, f6 represents a focal length of the sixth lens, d6 represents an on-axis distance between the third lens and the fourth lens, TTL represents a total track length of the camera optical lens, R7 represents a central curvature radius of an object-side surface of the fourth lens, and R8 represents a central curvature radius of an image-side surface of the fourth lens.
G02B 13/00 - Optical objectives specially designed for the purposes specified below
G02B 9/64 - Optical objectives characterised both by the number of the components and their arrangements according to their sign, i.e. + or – having more than six components
An optical lens includes: a substrate; and a film layer arranged on one side or two opposite sides of the substrate. The film layer includes a metal organic skeleton plating film layer attached to the substrate, and the metal organic skeleton plating film layer has a refractive index ranging from 1.0 to 1.37. The optical lens has a relatively low reflectivity and a relatively high transmittance in a wide wavelength range. A super-porous structure of the optical lens is relatively low in roughness and small in imaging scattering. The super-porous material of the optical lens is formed by coordination chemical bonds, its pores are distributed uniformly, reflectivity and transmittance are stable. The metal organic skeleton plating film layer of the optical lens is not easy to be damaged in the manufacturing process, and the yield is high. Meanwhile, the preparation process is simple, achieving high yield and low cost.
Disclosed is a camera optical lens. The camera optical lens includes from an object side to an image side in sequence: a first lens having a positive refractive power; a second lens having a negative refractive power; a third lens having a positive refractive power; a fourth lens having a negative refractive power; a fifth lens having a positive refractive power; a sixth lens having a negative refractive power; wherein the camera lens satisfies the following conditions: 2.00≤f3/f≤6.00; −2.00≤f5/f6≤−0.79; −5.00≤R7/R8≤−1.00; −0.90≤R9/R10≤−0.20; 0.25≤d2/d3≤1.00. The camera optical lens has good optical performance, and can meet the design requirements for large aperture, wide-angle and ultra-thin.
G02B 13/00 - Optical objectives specially designed for the purposes specified below
G02B 9/62 - Optical objectives characterised both by the number of the components and their arrangements according to their sign, i.e. + or – having six components only
The present disclosure relates to the field of optical lens, and discloses a camera optical lens. The camera optical lens includes: from an object side to an image side, a first lens having positive refractive power, a second lens having negative refractive power, a third lens having negative refractive power, a fourth lens having refractive power, a fifth lens having positive refractive power, and a sixth lens having negative refractive power, and following relational expressions are satisfied: 0.10≤d8/TTL≤0.20; −5.00≤R9/R10≤−0.80; and 0.70≤f2/f3≤1.00.
G02B 13/00 - Optical objectives specially designed for the purposes specified below
G02B 9/62 - Optical objectives characterised both by the number of the components and their arrangements according to their sign, i.e. + or – having six components only
The present disclosure relates to the field of camera optical lenses, and discloses a microscope objective lens. The microscope objective lens includes from an object side to an image side: a first lens, a second lens, a third lens, a fourth lens, and a fifth lens, a sixth lens, a seventh lens, an eighth lens and a ninth lens, a following relational expression is satisfied: 0.19≤WD/TTL≤0.36; 4.00≤NA*f≤8.00; 7.00≤f678/f9≤16.00; and −10.00≤(R17+R18)/(R17−R18)≤−1.50. The microscope objective lens provided by the present disclosure has good optical performance of imaging quality, and can meet the requirements of wider working wave band and higher magnification.
G02B 9/64 - Optical objectives characterised both by the number of the components and their arrangements according to their sign, i.e. + or – having more than six components
16.
ADJUSTABLE DIAPHRAGM, CAMERA MODULE AND ELECTRONIC DEVICE
An adjustable diaphragm (100). A blade support ring (102) cooperates with a blade drive ring (103) to movably fix light shading blades (101). By means of Lorentz force between a drive magnetic steel (1042) and a drive coil (1044), an electromagnetic drive component (104) drives a drive rod (1043) to rotate relative to a base (1041). The drive rod (1043) is slidably connected to the blade drive ring (103) so as to drive the blade drive ring (103) to rotate, such that the blade drive ring (103) drives the light shading blades (101) to rotate so as to shield or expose a lens (201) of a camera module (200). In this way, making a diaphragm part and the electromagnetic drive component (104) independent of the lens (201) can optimize the weight distribution of the camera module (200), so as to reduce the burden of an autofocus mechanism (202). Additionally, because of the overall independent arrangement, electrical wiring of the electromagnetic drive component (104) can be arranged around the periphery of the lens (201), and thus does not affect the focusing movement of the lens (201).
G03B 30/00 - Camera modules comprising integrated lens units and imaging units, specially adapted for being embedded in other devices, e.g. mobile phones or vehicles
The embodiments of the present application relate to the technical field of camera apparatuses. Disclosed is a camera module (500). Magnetic forces between drive coil groups (101) and driven magnetic part groups (104) are utilized to realize non-contact driving of shading blades (105) by means of a blade driving mechanism, such that the blade driving mechanism and an automatic focusing mechanism operate independent of each other and do not interfere with each other. Moreover, as a cylinder (201), a lens (1), the drive coil groups (101) and a blade supporting member (102) are all assembled in the direction of an optical axis (LA), the camera module (400) can be prevented from structurally protruding in multiple directions. The camera module (400) provided in the present application has a simpler structure, and the number of elements used is reduced, thus reducing the assembly difficulty and the manufacturing cost of the camera module (400). Further disclosed in the present application is an electronic device (500), comprising a device body (510) and the camera module (400), the camera module (400) being arranged on the device body (510).
The present disclosure relates to the field of camera optical lenses, and discloses a camera optical lens. The camera optical lens includes from an object side to an image side: a first lens, a second lens, a third lens, a fourth lens, and a fifth lens, a sixth lens, a seventh lens, an eighth lens and ninth lens, a tenth lens, an eleventh lens, and a twelfth lens, following relational expressions are satisfied: −0.80≤f12/f10_11≤−0.50; 0.80≤f7/f≤1.80; −83.00≤f56/(d9+d11)≤−4.00; and 0.40≤NA*f/WD≤0.60. The camera optical lens of the present disclosure has good optical performance, and has the characteristics of low distortion, large magnification and long working distance.
G02B 9/64 - Optical objectives characterised both by the number of the components and their arrangements according to their sign, i.e. + or – having more than six components
Disclosed in the present invention are a camera apparatus and a portable electronic device. The camera apparatus comprises a base, a lens unit having an optical axis, an imaging element unit, a first movable frame, a second movable frame, a plurality of first balls, a plurality of second balls, a first driving mechanism and a second driving mechanism. The first movable frame is rollingly supported on the base by means of the plurality of first balls, the first driving mechanism is used for driving the first movable frame to rotate by using the optical axis as a centerline and/or to move in the radial direction of the optical axis, and the second movable frame is rollingly supported on the first movable frame by means of the plurality of second balls; the imaging element unit is fixed onto the second movable frame, and the second driving mechanism is used for driving the imaging element unit to move in the axis direction of the optical axis and/or to deflect by using the direction perpendicular to the optical axis as a centerline. Compared with the prior art, the present invention can achieve the purpose of arranging more efficient anti-shake correction and autofocus components in miniaturized portable electronic devices, thus resulting in improved image capture quality.
A blade driving device (100), a camera device (200), and a portable electronic device (300). The blade driving device (100) comprises: a housing (10), at least one rotating shaft (14) extending into an accommodating space (13) being provided on the housing (10); a rotating body (30), which is a magnetic member having at least two magnetic poles; a blade (20), one end of the blade (20) being fixedly connected to the rotating body (30) and rotating with the rotating body (30), and a shielding portion (21) and an opening portion (22) being provided at the other end of the blade (20); a driving coil (40), the orthographic projection of the driving coil (40) in the direction of an optical axis channel overlapping the orthographic projection of the rotating body (30) in the direction of the optical axis channel; a circuit board (50) electrically connected to the driving coil (40); and at least one magnetic yoke (60) fixed to the housing (10). By reducing the number of mounted components, compactness is achieved, efficient utilization of space is achieved, and the structure and assembly are simplified, so that more efficient blade driving can be achieved with a simpler structure.
The present application relates to the field of optical lenses, and in particular, relates to a microscope objective lens suitable for use in a device such as a microscope. The microscope objective lens includes in order from an emitting side to an objective side: a first lens having a positive refractive force, a second lens having a negative refractive force, a third lens having a positive refractive force, a fourth lens having a positive refractive force, a fifth lens having a negative refractive force, and a sixth lens having a positive refractive force. The following relationship expressions are satisfied: −5.00≤R11/R12≤−1.50; 0.40≤WD/TTL≤0.60; 1.00≤R1/((n1−1)*f)≤4.00; 2.00≤d5/d4≤6.00. The microscope objective lens of the present application lens has excellent optical performance, low distortion, and a long working distance, which is particularly suitable for optical microscope.
Some embodiments of the present application provide a camera device and a camera. The camera device comprises an autofocus lens module (100), an imaging module (200), and an anti-vibration mechanism (300). The anti-vibration mechanism (300) sequentially comprises, from the image side to the object side, the following components: a base (31), a magnet (32) being provided on the base (31); a driving frame (33), rotatably arranged on the base (31), a locking magnetic yoke (341) and a driving coil being provided on the driving frame (33); and a movable frame (34), the movable frame (34) driving the imaging module (200) to move together. When the driving coil is not powered on, the magnet (32) attracts the locking magnetic yoke (341) to lock the movable frame (34) and the driving frame (33) together. When the driving coil is powered on to generate a magnetic field, the magnet (32) drives the driving frame (33) to rotate by means of the driving coil so as to unlock the movable frame (34) and the driving frame (33).
Provided in some embodiments of the present application are a camera apparatus (100) and an electronic device. The camera apparatus (100) comprises a driving mechanism (10) and a lens module (20); the driving mechanism (10) comprises a base (12) and a first frame (11) rotatably arranged on the base (12), the base (12) being provided with a first magnetic yoke (13) and a driving coil (14), and the first frame (11) being provided with a magnet (15) and having an inclined supporting surface (112) inclined with respect to an optical axis; the driving coil (14) drives the first frame (11) to rotate in a plane perpendicular to the optical axis direction, so as to drive a lens holder (21) to move in the optical axis direction or to incline with respect to the optical axis.
G02B 7/04 - Mountings, adjusting means, or light-tight connections, for optical elements for lenses with mechanism for focusing or varying magnification
G03B 5/00 - Adjustment of optical system relative to image or object surface other than for focusing of general interest for cameras, projectors or printers
G03B 30/00 - Camera modules comprising integrated lens units and imaging units, specially adapted for being embedded in other devices, e.g. mobile phones or vehicles
The embodiments of the present application relate to the technical field of camera devices. Disclosed is a camera module. A driving member is arranged on a base, and is configured to drive a lens supporting frame to focus and move along an optical axis and further to drive a blade driving frame to rotate by taking the optical axis as a rotating axis; the blade driving frame rotates to drive a blade driving ring to rotate synchronously, and the blade driving ring then drives a plurality of light-shielding blades to gather or separate, thereby adjusting the size of an opening defined by the light-shielding blades. That is, the driving member for driving the light-shielding blades also drives a lens to focus, such that the number of elements of the camera module can be reduced, thereby reducing the size and the weight of the camera module and avoiding interference between a structure for focusing and a power mechanism for driving the light-shielding blades in the camera module. Further disclosed in the embodiments of the present application are a camera and an electronic apparatus.
Disclosed in embodiments of the present application is a camera module. A first driving member is provided on a base, a second driving member is provided on a lens supporting frame, and the first driving member fits the second driving member to drive the lens supporting frame to move along an optical axis for focusing; a blade driving frame is movable relative to the base, and a third driving member is provided on the blade driving frame; the first driving member is further configured to fit the third driving member to drive the blade driving frame to rotate by taking the optical axis as a rotating axis, the blade driving frame drives a blade driving ring to rotate, and the blade driving ring drives a plurality of light-blocking blades to spread apart or hold together, thereby adjusting the size of an opening defined by the light-blocking blades. That is, the driving member for driving the light-blocking blades to move and driving a lens to focus is the first driving member. Thus, the number of elements of the camera module can be reduced, thereby decreasing the size and weight of the camera module, and avoiding interference between the focusing structure in the camera module and the power mechanism for driving the plurality of light-blocking blades. Also disclosed in the embodiments of the present application are a camera and an electronic device.
The present application provides a lens apparatus and an electronic device. The lens apparatus comprises a first lens group, a second lens group, and a prism; the optical axis of the first lens group and the optical axis of the second lens group are arranged at an included angle; an optical path of the first lens group is arranged closer to an object side than an optical path of the second lens group; and the prism is arranged between the first lens group and the second lens group to divide the lens apparatus into the first lens group and the second lens group. The radial size of the first lens group close to the object side is smaller than that of the second lens group, and therefore, the mounting size matching a display screen can be reduced. Furthermore, because the edge of at least one lens in the first lens group and the second lens group is provided with a sheared edge, the radial sizes of lenses in the lens groups can be reduced, the radial sizes of the first lens group and the second lens group are further reduced, and the mounting size matching the display screen can be further reduced, so that the lens apparatus can be better hidden in the black edge of the display screen, and the full-screen design of the display screen is better facilitated.
The present application relates to the field of optical lenses and discloses a microscope objective lens. The microscope objective lens includes in order from the emitting side to the objective side: a first lens, a second lens, a third lens, a fourth lens, a fifth lens, a sixth lens, a seventh lens, an eighth lens, a ninth lens, a tenth lens, an eleventh lens, and a twelfth lens, and the following relationship expressions are satisfied: 1.50≤NA*f≤3.00; 0.15≤d4/TTL≤0.25; 5.00≤f12/f≤15.00; −7.00≤(R23+R24)/(R23−R24)≤−1.50. The microscope objective lens of the present application is capable of being used as a lens of the microscope with good optical performance, a large numerical aperture, and a wide working band with a magnification of 50 times.
G02B 9/64 - Optical objectives characterised both by the number of the components and their arrangements according to their sign, i.e. + or – having more than six components
A microscope objective, including from an exit pupil plane to an object plane: a first lens having a positive refractive power, a second lens having a negative refractive power, a third lens having a positive refractive power, a fourth lens having a negative refractive power, and a fifth lens having a positive refractive power; a focal length of the microscope objective is f, a focal length of the first lens is f1, a focal length of the second lens is f2, a focal length of the third lens is f3, an on-axis distance from the object plane of the microscope objective to an object side surface of the fifth lens is WD, a numerical aperture is NA, and a total optical length is TTL, following relational expressions are satisfied: 0.68≤f3/f≤2.00; −2.20≤f2/f1≤−1.40; 0.15≤WD/TTL≤0.35; 6.00≤f*NA≤9.00. The microscope objective has the characteristics of low distortion, 1.5 times magnification and long operating distance.
G02B 9/60 - Optical objectives characterised both by the number of the components and their arrangements according to their sign, i.e. + or – having five components only
29.
OPTICAL WAVEGUIDE LENS, HEAD-UP DISPLAY SYSTEM, AND VEHICLE
Provided are an optical waveguide lens (1), a head-up display system, and a vehicle. The optical waveguide lens (1) comprises a lens body (11), a grating structure (12), and a reflecting layer (13). The lens body (11) comprises a first surface (111) and a second surface (112) arranged opposite to each other in a first direction (Z); the grating structure (12) is arranged on the lens body (11), the grating structure (12) comprises an incident grating (121) and an emergent grating (122), the incident grating (121) is located on the side where the first surface (111) is located, and the emergent grating (122) is located on the side where the second surface (112) is located; the reflecting layer (13) is arranged on the lens body (11), the reflecting layer (13) is located on the side where the first surface (111) is located, and the reflecting layer (13) and the emergent grating (122) are arranged opposite to each other in the first direction (Z). By means of the reflecting layer (13), the risk that the light inside the lens body (11) leaves the lens body (11) from a non-grating position can be reduced, thereby improving the intensity of the light output from the optical waveguide lens (1), and improving the imaging effect of a head-up display system and the interaction experience between a user and a vehicle.
The present disclosure discloses an optical imaging system satisfying: 0.38≤f10-12/f≤0.90, −21.70≤f7-8/(d13+d15)≤−1.00, 2.00≤d17/d18≤10.00, and 1.00≤ (d1+d3)/d23′≤5.00, where f denotes a focal length of the optical imaging system; f10-12 denotes a combined focal length of the tenth lens, the eleventh lens and the twelfth lens; f7-8 denotes a combined focal length of the seventh lens and the eighth lens; d1 and d3 denotes an on-axis thickness of the first and second lens; d23′ denotes an on-axis distance from the second lens to the third lens; d13, d15 and d17 denotes an on-axis thickness of the seventh, eighth, and ninth lens; and d18 denotes an on-axis distance from the ninth lens to the tenth lens. The optical imaging system of the present disclosure has good optical performance, variable aperture and low distortion, and can change the depth of field during measurement.
G02B 9/64 - Optical objectives characterised both by the number of the components and their arrangements according to their sign, i.e. + or – having more than six components
The present disclosure discloses an optical imaging system including twelve lenses, sequentially from the object side to the image side. The optical imaging system satisfies following conditions satisfying: −40.00≤f9/d17≤−5.00; 2.00≤d23/d22≤18.00; −6.51≤f12′/f34≤−1.00; 4.00≤IH*f/TTL≤15.00, where f9 denotes a focal length of the ninth lens; d17 denotes an on-axis thickness of the ninth lens; d23 denotes an on-axis thickness of the twelfth lens; d22 denotes an on-axis distance from the image-side surface of the eleventh lens to the object-side surface of the twelfth lens; f12′ denotes a combined focal length of the first lens and the second lens; f34 denotes a combined focal length of the third lens and the fourth lens; f, IH, TTL respectively denotes a focal length, an image height and a total optical length of the optical imaging system.
G02B 9/64 - Optical objectives characterised both by the number of the components and their arrangements according to their sign, i.e. + or – having more than six components
32.
OPTICAL WAVEGUIDE LENS, HEAD-UP DISPLAY SYSTEM, AND VEHICLE
The present disclosure provides an optical waveguide lens, a head-up display system, and a vehicle. The optical waveguide lens includes: a lens body including a first surface and a second surface opposite to each other in a first direction, a grating structure arranged on the lens body and including an incidence grating and an outgoing grating, and a reflective layer arranged on the lens body and on the first surface. The incidence grating is arranged on the first surface, and the outgoing grating is arranged on the second surface. The reflective layer aligns with the outgoing grating in the first direction. The reflective layer can reduce the risk of light leaving the lens body from portions without grating, thereby increasing the intensity of outputting light of the optical waveguide lens, and improving the imaging effect of the head-up display system and the interaction experience between the user and the vehicle.
An optical waveguide lens and a near-eye display device are provided. The near-eye display device includes a housing, a projection device and an optical waveguide lens mounted in the housing. The optical waveguide lens images an image produced by the projection device in front of human eyes, and includes stacked optical waveguide sheets. A first air gap is provided between adjacent optical waveguide sheets, and a filling member is provided in the first air gap to fill at least part of the first air gap, reducing the risk of water vapor, dust, and other fine impurities in the external environment entering the first air gap, improving the imaging effect and stability of the optical waveguide lens, and prolonging the service life of the optical waveguide lens, which further improves the operational stability and service life of the near-eye display device and the user experience.
A microscope imaging system suitable for ultraviolet broadband imaging, comprising a refraction and reflection lens group (1), a tube lens group (3), and an optical path folding and reflection assembly (5). The refraction and reflection lens group (1) comprises a refraction and reflection assembly (11), a field lens assembly (13), and a focusing assembly (15); the refraction and reflection assembly (11) focuses light from an object onto the field lens assembly (13) to correct chromatic aberration, and the light that has undergone the chromatic aberration correction sequentially passes through the focusing assembly (15), the tube lens group (3), and the optical path folding and reflection assembly (5) to form an image on an image plane; the magnification of the imaging system is M, and satisfies the following condition: M=F1/F2, wherein F1 is the focal length of the refraction and reflection lens group (1), and F2 is the focal length of the tube lens group (3); and the tube lens group (3) has a zoom range while high-order chromatic aberration is unchanged, and the optical path folding and reflection assembly (5) has an optical path distance change range adapted to the zoom range of the tube lens group (3).
An optical waveguide apparatus and an electronic device. The optical waveguide apparatus comprises a waveguide layer (10), and a couple-in grating (20) and a couple-out grating (30) which are disposed on the same side of the waveguide layer (10), wherein a reflective layer (40) is provided on the side of the couple-in grating (20) facing away from the waveguide layer (10); and a transition layer (50) is further provided between the reflective layer (40) and the couple-in grating (20). The transition layer (50) is used for ameliorating the problem of the reflective layer (40) easily falling off.
The present disclosure provides an optical waveguide device and an electronic equipment. The optical waveguide device includes: a waveguide layer, in-coupler gratings and out-coupler gratings arranged on a same side of the waveguide layer, a reflection layer formed on a side of the in-coupler gratings away from the waveguide layer; and a transition layer formed between the reflection layer and the in-coupler gratings. The transition layer is used to address the problem that the reflection layer is prone to detachment.
The present application provides an optical waveguide lens and a near-eye display device. The near-eye display device comprises a housing, a projection apparatus mounted to the housing and an optical waveguide lens mounted to the housing, the optical waveguide lens being used for forming in front of the human eyes an image generated by the projection apparatus. The optical waveguide lens comprises a plurality of optical waveguide pieces stacked in the thickness direction; in the thickness direction of the optical waveguide lens, first air gaps are formed between adjacent optical waveguide pieces; and a filling member is provided in each first air gap to fill at least part of the first air gap, so as to reduce the risk of fine impurities such as water vapor and dust in the external environment entering the first air gaps, improving the imaging effect and the imaging stability of the optical waveguide lens, and helping to prolong the service life of the optical waveguide lens, thus further improving the working stability and prolonging the service life of the near-eye display device, and helping to enhance the use experience of users.
An optical camera lens, which comprises a plurality of lenses, the plurality of lenses comprising an ultra-low-reflectivity lens (1) and a blue-light cut-off lens (3), wherein the blue-light cut-off lens (3) meets the following conditions: the reflectivity with respect to light having a wavelength range of 500 nm-600 nm being less than or equal to 5%, the reflectivity with respect to light having a wavelength range of 400 nm-420 nm being greater than or equal to 30%, the transmittance with respect to light having a wavelength range of 500 nm-600 nm being greater than or equal to 90%, and the wavelength range corresponding to a point having a transmittance of 50% being 400 nm-440 nm; and the ultra-low-reflectivity lens (1) meets the following conditions: the reflectivity with respect to light having a wavelength range of 380 nm-720 nm being less than or equal to 0.8%, the reflectivity with respect to light having a wavelength range of 420 nm-680 nm being less than or equal to 0.5%, the transmittance with respect to light having a wavelength range of 380 nm-720 nm being greater than or equal to 90%, and the transmittance with respect to light having a wavelength range of 420 nm-680 nm being greater than or equal to 95%. By means of the provided optical camera lens, the problem of a captured picture being bluish can be ameliorated, the damage of a short-wavelength light ray or high-energy blue light to a camera lens is reduced, and a captured picture being hazy can be significantly ameliorated.
An optical lens. The optical lens comprises a plurality of lenses, which comprise an ultra-low reflectivity lens (1) and a filter film coated lens (3), wherein the ultra-low reflectivity lens (1) satisfies the following conditions: reflectivity for light in the wavelength range of 380 nm to 720 nm is less than or equal to 0.8%, reflectivity for light in the wavelength range of 420 nm to 680 nm is less than or equal to 0.5%, transmittance for the light in the wavelength range of 380 nm to 720 nm is greater than or equal to 90%, and transmittance for the light in the wavelength range of 420 nm to 680 nm is greater than or equal to 95%; and the filter film coated lens (3) satisfies the following conditions: transmittance for light in the wavelength range of 500 nm to 600 nm is greater than or equal to 90%, a wavelength range for a short-wave region corresponding to points with the transmittance of 50% is 400 nm to 440 nm, and a wavelength range for a long-wave region corresponding to points with the transmittance of 50% is 660 nm to 700 nm. Such optical lens can eliminate a plate-glass filter film, so as to avoid the problem of a glass filter being fragile, and also reduce the total height of a lens module. In addition, the transmittance of the optical lens can also be maintained at a rational level, and a stray light phenomenon caused by too high reflectivity of the filter film can be improved.
An optical lens and a manufacturing method therefor. The optical lens comprises: a lens substrate (1); a primer layer (3) stacked on the lens substrate (1); and an AR anti-reflection coating (5) stacked on the side of the primer layer (3) facing away from the lens substrate (1), wherein the primer layer (3) is made of at least one of silicon dioxide, a silicon-aluminum mixture and aluminum oxide, and the stress of the optical lens ranges from 50 MPa to 200 MPa. According to the optical lens, the primer layer (3) is additionally arranged between the lens substrate (1) and the AR anti-reflection coating (5), and the overall stress of the optical lens is controlled to be 50-200 MPa, so that the strain driving force of the environmental testing reliability of the optical lens is small, thereby achieving the effect that the profile change of the coated lens before and after 120 h in a high-temperature and high-humidity environment is less than 0.2 μm.
A camera optical lens (10, 20, 30, 40, 50), sequentially comprising, from an object side to an image side: a first lens (L1), a second lens (L2), a third lens (L3), a fourth lens (L4), a fifth lens (L5), a sixth lens (L6), a seventh lens (L7) and an eighth lens (L8). The axial thicknesses of the first lens (L1) and the second lens (L2) are d1 and d3, respectively; the curvature radii of an object-side face and an image-side face of the second lens (L2) are R3 and R4, respectively; the focal lengths of the third lens (L3), the fourth lens (L4), the sixth lens (L6) and the seventh lens (L7) are f3, f4, f6 and f7, respectively; the refractive index of the eighth lens (L8) is nd8; and the following relational expressions are satisfied: 1.00≤d3/d1≤3.00; 0.20≤R3/R4≤0.90; 1.00≤f4/f3≤4.00; 0.50≤f6/f7≤1.40; and 1.80≤nd8≤2.20.
G02B 13/00 - Optical objectives specially designed for the purposes specified below
G02B 13/18 - Optical objectives specially designed for the purposes specified below with lenses having one or more non-spherical faces, e.g. for reducing geometrical aberration
Disclosed is a camera optical lens (10), sequentially comprising, from an object side to an image side, a first lens (L1), a second lens (L2), a third lens (L3), a fourth lens (L4), a fifth lens (L5) and a sixth lens (L6), wherein the refractive index of the first lens (L1) is nd1; the field of view of the camera optical lens (10) is FOV; the focal length of the camera optical lens (10) is f; the image height of the camera optical lens (10) is IH; and the following conditional expressions are satisfied: nd1≥1.70; and (FOV*f)/IH≥120.00. The present camera optical lens (10) has good optical performance and can satisfy the design requirements for a large aperture and miniaturization.
G02B 13/00 - Optical objectives specially designed for the purposes specified below
G02B 13/18 - Optical objectives specially designed for the purposes specified below with lenses having one or more non-spherical faces, e.g. for reducing geometrical aberration
The present invention provides a lens molding method, comprising the following steps: heating a blank mold having a pre-molding cavity such that a glass preform in the pre-molding cavity is in a semi-molten state; applying pressure to the blank mold such that the glass preform is extruded to form a rough lens blank having a predetermined shape; cooling the blank mold and the rough lens blank, and then reducing the pressure to separate the blank mold so as to transfer the rough lens blank into a molding cavity of a high-precision aspheric mold; heating the high-precision aspheric mold such that the rough lens blank is softened to be in a semi-molten state; applying pressure to the high-precision aspheric mold such that the rough lens blank is extruded to form a lens molded part having an aspheric structure; and cooling the high-precision aspheric mold and the lens molded part, and then reducing the pressure to separate the high-precision aspheric mold so as to take out the lens molded part. The present invention can improve the appearance yield by 10-15%, and achieve a higher device and mold utilization rate.
A lens forming method is provided, including: heating a blank mold with a pre-molding cavity until a glass preform in the pre-molding cavity is in a semi-molten state; applying a pressure to the blank mold, so that the glass preform is extruded to form a lens rough blank with a predetermined shape; cooling the blank mold and the lens rough blank, and separating the blank mold by depressurization, to transfer the lens rough blank to a molding cavity of a high-precision aspherical mold; heating the high-precision aspherical mold until the lens rough blank is softened to a semi-molten state; applying a pressure to the high-precision aspherical mold, so that the lens rough blank is extruded to form a lens molded part with an aspherical structure; and cooling the high-precision aspherical mold and the lens molded part, and separating the high-precision aspherical mold by depressurization, to remove the lens molded part.
The present disclosure relates to the technical field of near-to-eye display and discloses an optical system including, from an anterior side to a posterior side: an image surface, a circular polarizer; a third lens, a beam splitter, a second lens, a quarter waveplate, a first lens, a reflective polarizing film and an aperture, wherein the circular polarizer is attached to a posterior side of the image surface, the beam splitter is attached to an anterior-side surface of the second lens, the first lens and the second lens are glued together, the quarter waveplate is provided between the first lens and the second lens, the reflective polarizing film is attached to a posterior-side surface of the first lens, satisfying following conditions: VD≥16.00 mm, SDmax≤30.00 mm, L≤15.00 mm and f12/f≤1.00. The optical system has good optical functions while satisfying a desire of design in a small size and a light weight.
Provided in the present invention is an automatic active alignment (AA) assembly apparatus for a lens. The automatic AA assembly apparatus for a lens comprises: a rack; an alignment mechanism, which comprises a mobile fixture platform mechanism for fixing the rack, a multi-axis linkage assembly arranged at one side of the mobile fixture platform mechanism, and a first Z-axis driving mechanism, the first Z-axis driving mechanism being fixed at an alignment position of the rack, and the first Z-axis driving mechanism being located between the mobile fixture platform mechanism and the multi-axis linkage assembly; a feeding and discharging mechanism, which is configured to feed a first lens module and a second lens module to the mobile fixture platform mechanism; an image collecting mechanism, which is configured to collect images of the first lens module and the second lens module in real time; a glue dispensing mechanism, which is configured to dispense glue for the second lens module which is driven to the glue dispensing mechanism; and a curing irradiation mechanism, which is configured to cure the glue. Compared with the related art, the automatic AA assembly apparatus for a lens in the present invention has high accuracy for testing lens performance, and has high efficiency and high assembly efficiency.
Provided in the present invention is an optical engine assembly, comprising a display assembly and a lens assembly. The lens assembly comprises a lens barrel, and a first lens and a second lens, which are accommodated in the lens barrel, the first lens being farther away from the display assembly than the second lens; an inner side surface of the lens barrel is provided with three assembling portions, each assembling portion comprising a first lens barrel tangent surface close to the first lens; and the first lens comprises three first lens tangent surfaces, which respectively abut against the three first lens barrel tangent surfaces, the first lens barrel tangent surfaces and the first lens tangent surfaces all being flat surfaces, such that the production yield of the optical engine assembly is improved.
An optical engine assembly (100). A lens unit (2) comprises an adjustable lens (23) and a focusing support (24). A fixed lens (22) and the adjustable lens (23) are both accommodated in a lens tube (21). The adjustable lens (23) is fixed to the focusing support (24). The lens tube (21) comprises a first through hole (211) extending in parallel to a first direction (Z). The focusing support (24) comprises a focusing connecting portion (241) disposed on the periphery. A focusing unit (3) comprises a connecting unit (31) and a transmission unit (32), the connecting unit (31) comprising a fixing holder (311) and a screw rod (312). The fixing holder (311) is fixed on the outer side of the lens tube (21), and the fixing holder (311) comprises a second through hole (3113) extending in parallel to the first direction (Z). One end of the screw rod (312) passes through the first through hole (211) to be fixedly connected to the focusing connecting portion (241), and the other end of the screw rod (312) passes through the second through hole (3113) to be fixedly connected to the transmission unit (32). The focusing unit (3) drives the adjustable lens (23) to move linearly in the first direction (Z).
A camera optical lens includes, from an object side to an image side: a first lens having positive refractive power; a second lens having positive refractive power; a third lens having negative refractive power; a fourth lens having positive refractive power; and a fifth lens having positive refractive power. The first lens is made of glass material. At least one of the second, third, fourth and fifth lenses is made of glass material. Working temperature of the camera optical lens ranges from −40° C. to 105° C. The camera optical lens satisfies following conditions: 1.50≤TTL/f≤4.00; 1.70≤n1≤2.20; and R3/R4≤−2.00, f denotes a focal length of the camera optical lens; TTL denotes a total optical length; n1 denotes a refractive index of the first lens; R3 denotes a central curvature radius of an object-side surface of the second lens, and R4 denotes a central curvature radius of an image-side surface of the second lens.
G02B 9/60 - Optical objectives characterised both by the number of the components and their arrangements according to their sign, i.e. + or – having five components only
G02B 13/00 - Optical objectives specially designed for the purposes specified below
G02B 13/18 - Optical objectives specially designed for the purposes specified below with lenses having one or more non-spherical faces, e.g. for reducing geometrical aberration
The present disclosure relates to the technical field of near-to-eye display and discloses an optical system including, from an anterior side to a posterior side: an image surface having a circular polarizer attached to a posterior side of the image surface to emit light; a second lens provided with a partially-reflective element on an anterior-side surface of the second lens; a first lens provided with a lamination film on an anterior-side surface or a posterior-side surface of the first lens, the lamination film including a reflective polarizing film and a quarter waveplate, and the reflective polarizing film provided at a posterior side of the quarter waveplate; and an aperture located at the posterior side of the optical system; further satisfying following conditions: VD≥12 mm; and SDmax≤25.5 mm. The optical system has good optical functions while satisfying a desire of design in a small size and a light weight.
The present application provides an energy storage system and a power supply control method for a battery management system. The energy storage system comprises a direct-current bus, an energy storage module, an alternating-current mains electricity module, an energy storage converter module, a power conversion module and a battery management system. The battery management system comprises a container monitoring unit. The power conversion module is used for converting an alternating-current voltage outputted by the alternating-current mains electricity module or an alternating-current voltage outputted by the energy storage converter module into a first direct-current voltage, taking a direct-current voltage outputted by the energy storage module, a bus voltage outputted by the direct-current bus and the maximum voltage in the first direct-current voltage as a second direct-current voltage, converting the second direct-current voltage into a third direct-current voltage and a fourth direct-current voltage, and respectively supplying power to the container monitoring unit on the basis of the third direct-current voltage and the fourth direct-current voltage. By means of embodiments of the present application, multiple power supply devices supply power to the container monitoring unit in the battery management system by means of two power supply circuits, such that the charging efficiency is improved, and the stability of the energy storage system can be improved.
A lens is provided. The lens includes a lens tube and a plurality of lens elements received in the lens tube. A respective lens element includes an imaging section for imaging and a mounting section for assembling and arranged outside the imaging section. The plurality of lens elements includes at least one dimming lens element disposed close to an imaging plane, and a respective dimming lens element includes at least one dimming section parallel to an optical axis, wherein a vertical distance between a respective one of the at least one dimming section and the optical axis is smaller than a radius of the imaging section. In addition, a lens module and an electronic device installed with the lens are provided, which can reduce the distance between a screen opening and a frame of the electronic device.
The present disclosure discloses a camera optical lens. The camera optical lens includes, from an object side to an image side, a first lens with a positive refractive power; a second lens with a negative refractive power; a third lens with a negative refractive power; a fourth lens with a positive refractive power; and a fifth lens with a negative refractive power. The camera optical lens satisfies the following conditions: 0.40≤f1/f≤0.70; 2.00≤(R5+R6)/(R5−R6)≤20.00; 1.20≤d4/d5≤5.00 and −15.00≤R7/R8≤−1.50. The camera optical lens of the present disclosure has excellent optical performances, and meanwhile can meet design requirements of a large aperture, a long focal length and ultra-thin.
G02B 9/60 - Optical objectives characterised both by the number of the components and their arrangements according to their sign, i.e. + or – having five components only
G02B 13/00 - Optical objectives specially designed for the purposes specified below
G02B 27/00 - Optical systems or apparatus not provided for by any of the groups ,
The present invention relates to a field of optical lens, and discloses a camera lens with six-piece lenses including a first lens having a positive refractive power, a second lens having a negative refractive power, a third lens, a fourth lens having a positive refractive power, a fifth lens, and a sixth lens having a negative refractive power. The camera lens satisfies following conditions: in an imaging status TTL/LB≤2.40, 0.20≤R1/R2≤0.35, 0.20≤R1/R2≤0.35, 0.02≤d5/f≤0.04, and −0.90≤f2/f≤−0.70. The present invention has a small height in a retraction status, and a narrow angle as well as good optical properties in the imaging status.
G02B 13/00 - Optical objectives specially designed for the purposes specified below
G02B 9/64 - Optical objectives characterised both by the number of the components and their arrangements according to their sign, i.e. + or – having more than six components
G02B 27/00 - Optical systems or apparatus not provided for by any of the groups ,
The present disclosure relates to a technical field of optical lenses, and discloses a zoom lens. The zoom lens, being sequentially from an object side to an image side, includes a first lens having a negative refractive power, a second lens group having a positive refractive power, a fifth lens having a positive refractive power, and a sixth lens having a negative refractive power, when zooming, among the first lens, the second lens group, the fifth lens, and the sixth lens, a spacing in an optical axis direction of adjacent lenses or lens groups changes, the second lens group includes a second lens having a positive refractive power, a third lens having a negative refractive power, and a fourth lens having a negative positive power. During photographing, when an F number (FNO) of a wide-angle end is less than or equal to 2.0, the zoom lens becomes bright.
G02B 15/14 - Optical objectives with means for varying the magnification by axial movement of one or more lenses or groups of lenses relative to the image plane for continuously varying the equivalent focal length of the objective
G02B 13/00 - Optical objectives specially designed for the purposes specified below
The present disclosure relates to a technical field of optical lenses, and discloses a camera optical lens. The camera optical lens includes seven lenses. An order of the seven lenses is sequentially from an object side to an image side, which is shown as follows: a first lens having a positive refractive power, a second lens having a negative refractive power, a third lens having a negative refractive power, a fourth lens having a positive refractive power, a fifth lens having a refractive power, a sixth lens having a positive refractive power, and a seventh lens having a negative refractive power. While the camera optical lens has good optical performance, the camera optical lens further meets design requirements of large aperture, wide-angle, and ultra-thinness.
G02B 9/64 - Optical objectives characterised both by the number of the components and their arrangements according to their sign, i.e. + or – having more than six components
G02B 13/00 - Optical objectives specially designed for the purposes specified below
G02B 1/00 - Optical elements characterised by the material of which they are madeOptical coatings for optical elements
The present invention relates to a field of optical lens, and discloses a camera lens with six-piece lenses including a first lens having a positive refractive power, a second lens having a positive refractive power, a third lens having a negative refractive power, a fourth lens having a negative refractive power, a fifth lens having a positive refractive power, and a sixth lens having a negative refractive power. The camera lens satisfies following conditions: in an imaging status TTL/LB≤2.20, 7.50≤D12/d2≤8.50, 0.04≤d6/f≤0.08, and −1.00≤R6/R7≤−0.35. The present invention has a small height in a retraction status, and a narrow angle as well as good optical properties in the imaging status.
G02B 13/00 - Optical objectives specially designed for the purposes specified below
G02B 9/62 - Optical objectives characterised both by the number of the components and their arrangements according to their sign, i.e. + or – having six components only
The present invention discloses a camera optical lens with seven-piece lenses including, from an object side to an image side in sequence, a first lens having a positive refractive power, a second lens having a negative refractive power, a third lens having a positive refractive power, a fourth lens having refractive power, a fifth lens having a positive refractive power, a sixth lens having a negative refractive power and a seventh lens having a negative refractive power. Herein the camera optical lens satisfies the following conditions: −10.00≤f4/f≤10.00, 4.00≤d5/d6≤8.00, and 2.00≤(R3+R4)/(R3−R4)≤10.00. The camera optical lens according to the present invention has excellent optical characteristics, such as large aperture, wide-angle, and ultra-thin.
G02B 13/00 - Optical objectives specially designed for the purposes specified below
G02B 9/64 - Optical objectives characterised both by the number of the components and their arrangements according to their sign, i.e. + or – having more than six components
G02B 27/00 - Optical systems or apparatus not provided for by any of the groups ,
The present invention discloses a camera optical lens with seven-piece lenses including, from an object side to an image side in sequence, a first lens, a second lens, a third lens, a fourth lens, a fifth lens, a sixth lens and a seventh lens. The camera optical lens satisfies the following conditions: −1.00≤f6/f≤10.00, 1.00≤d5/d6≤5.00, and 1.00≤R3/R4≤5.00. The camera optical lens according to the present invention has excellent optical characteristics, such as large aperture, wide-angle, and ultra-thin.
G02B 13/00 - Optical objectives specially designed for the purposes specified below
G02B 9/64 - Optical objectives characterised both by the number of the components and their arrangements according to their sign, i.e. + or – having more than six components
The present invention discloses a camera optical lens with seven-piece lens including, from an object side to an image side in sequence, a first lens having a positive refractive power, a second lens having a negative refractive power, a third lens having a positive refractive power, a fourth lens having a negative refractive power, a fifth lens having a negative refractive power, a sixth lens having a positive refractive power and a seventh lens having a negative refractive power. The camera optical lens satisfies the following conditions: 0.30≤R7/R5≤1.50 and −3.00≤R13/R14≤−1.00. The camera optical lens according to the present invention has excellent optical characteristics, such as large aperture, wide-angle, and ultra-thin.
G02B 13/00 - Optical objectives specially designed for the purposes specified below
G02B 9/64 - Optical objectives characterised both by the number of the components and their arrangements according to their sign, i.e. + or – having more than six components
61.
Camera optical lens including seven lenses of +−+−−+− refractive powers
The present invention discloses a camera optical lens with seven-piece lenses including, from an object side to an image side in sequence, a first lens having a positive refractive power, a second lens having a negative refractive power, a third lens having a positive refractive power, a fourth lens having a negative refractive power, a fifth lens having a negative refractive power, a sixth lens having a positive refractive power and a seventh lens having a negative refractive power. The camera optical lens satisfies the following conditions: −3≤f3/f2≤−2 and −4≤(R1−R2)/(R3−R4)≤−1.5. The camera optical lens according to the present invention has excellent optical characteristics, such as large aperture, wide-angle, and ultra-thin.
G02B 13/00 - Optical objectives specially designed for the purposes specified below
G02B 9/64 - Optical objectives characterised both by the number of the components and their arrangements according to their sign, i.e. + or – having more than six components
The present invention discloses a camera optical lens with seven-piece lenses including, from an object side to an image side in sequence, a first lens having a positive refractive power, a second lens having a negative refractive power, a third lens having a positive refractive power, a fourth lens having a negative refractive power, a fifth lens having a negative refractive power, a sixth lens having a positive refractive power and a seventh lens having a negative refractive power; wherein the camera optical lens satisfies the following conditions: 20.00≤R7/d7≤40.00, −20.00≤R13/d13≤−5.00, and 4.00≤d1/d2≤15.00. The camera optical lens according to the present invention has excellent optical characteristics, such as large aperture, wide-angle, and ultra-thin.
G02B 13/00 - Optical objectives specially designed for the purposes specified below
G02B 9/64 - Optical objectives characterised both by the number of the components and their arrangements according to their sign, i.e. + or – having more than six components
The present invention discloses a camera optical lens consisting of seven-piece lenses including a first lens having a positive refractive power, a second lens having a negative refractive power, a third lens having a positive refractive power, a fourth lens having a negative refractive power, a fifth lens having a negative refractive power, a sixth lens having a positive refractive power and a seventh lens having a negative refractive power. The camera optical lens satisfies the following conditions: 0.15≤f5/f4≤0.50, −15.00≤(R9+R10)/(R13+R14)≤−6.00, and 1.00≤d4/d6≤8.00. The camera optical lens according to the present invention has excellent optical characteristics, such as large aperture, wide angle, and ultra-thin.
G02B 13/00 - Optical objectives specially designed for the purposes specified below
G02B 9/64 - Optical objectives characterised both by the number of the components and their arrangements according to their sign, i.e. + or – having more than six components
Provided is a camera optical lens, which includes a first lens having a negative refractive power, a second lens having a positive refractive power, a third lens having a positive refractive power, a fourth lens having a negative refractive power, a fifth lens having a positive refractive power, and a sixth lens having a negative refractive power. The camera optical lens satisfies −10.00≤f1/f≤−4.00, 0.40≤f5/f≤0.70, and 8.00≤d5/d6≤15.00, where f denotes a focal length of the camera optical lens; f1 denotes a focal length of the first lens; f5 denotes a focal length of the fifth lens; d5 denotes an on-axis thickness of the third lens; and d6 denotes an on-axis distance from an image side surface of the third lens to an object side surface of the fourth lens. The camera optical lens has good optical performance and satisfies design requirements for ultra-thin, wide-angle lenses having large apertures.
G02B 13/00 - Optical objectives specially designed for the purposes specified below
G02B 9/62 - Optical objectives characterised both by the number of the components and their arrangements according to their sign, i.e. + or – having six components only
The present invention relates to the field of optical lenses, and provides a camera optical lens, including, from an object side to an image side, a first lens, a second lens, a third lens, a fourth lens, and a fifth lens. At least one of the first lens to the fifth lens has a free-form surface, and the camera optical lens satisfies: −3.50≤f2/f≤−1.50; −2.00≤(R5+R6)/(R5−R6)≤0.20; and 1.00≤f4/f≤5.50, where f denotes a focal length of the camera optical lens, f2 denotes a focal length of the second lens, f4 denotes a focal length of the fourth lens, R5 denotes a central curvature radius of an object side surface of the third lens, and R6 denotes a central curvature radius of an image side surface of the third lens. The camera optical lens according to the present invention has a large aperture, a wide angle and ultra-thinness, as well as excellent optical performance.
G02B 9/60 - Optical objectives characterised both by the number of the components and their arrangements according to their sign, i.e. + or – having five components only
G02B 13/18 - Optical objectives specially designed for the purposes specified below with lenses having one or more non-spherical faces, e.g. for reducing geometrical aberration
A camera optical lens includes first to fifth lenses from an object side to an image side, the first, third, and fourth lenses having positive refractive power, the second and fifth lenses having negative refractive power, and satisfies: −6.00≤f2/f≤−3.00; −20.00≤(R7+R8)/(R7−R8)≤−2.00; and 1.60≤d2/d4≤6.00, where f denotes focal length of the camera optical lens, f2 denotes focal length of the second lens, R7 denotes central curvature radius of an object side surface of the fourth lens, R8 denotes central curvature radius of an image side surface of the fourth lens, d2 denotes on-axis distance from an image side surface of the first lens to an object side surface of the second lens, and d4 denotes on-axis distance from an image side surface of the second lens to an object side surface of the third lens, thereby having good optical performance while meeting design requirements of a wide angle and ultra-thinness.
G02B 9/60 - Optical objectives characterised both by the number of the components and their arrangements according to their sign, i.e. + or – having five components only
G02B 13/00 - Optical objectives specially designed for the purposes specified below
The present invention provides a camera optical lens, including, from an object side to an image side, a first lens having a positive refractive power, a second lens having a negative refractive power, a third lens having a positive refractive power, a fourth lens having a positive refractive power, and a fifth lens having a negative refractive power. The camera optical lens satisfies: −2.00≤f2/f≤−1.25; —1.50≤f4/f5≤−0.80; 1.50≤d6/d8≤3.00; −1.50≤(R1+R2)/(R1−R2)≤−1.00; and 6.00≤R9/R10≤15.00. The camera optical lens has excellent optical performance while meeting the design requirements of a large aperture, a wide angle, and ultra-thinness.
G02B 9/60 - Optical objectives characterised both by the number of the components and their arrangements according to their sign, i.e. + or – having five components only
G02B 13/00 - Optical objectives specially designed for the purposes specified below
A lens driving device, comprising: a base (11); a lens assembly (40), which comprises a lens support (21) mounted to the base (11), and a lens (4) supported by the lens support (21); a driving device (3) for driving the lens assembly (40) to move relative to the base (11); a ball support (13) connected between the base (11) and the lens assembly (40); and a third ball (12c), which is arranged between the base (11) and the lens support (21), and is used for guiding the lens assembly (40) to move, in a first direction and a second direction, relative to the base (11), wherein the movement distance of the third ball (12c) in the first direction is equal to the movement distance thereof in the second direction. The third ball (12c) is arranged between the base (11) and the lens support (21), such that the movement distance of the lens assembly (40) relative to the base (11) in the first direction and the movement distance thereof in the second direction are equal, thereby forming a lens driving device which has a simple and compact structure.
G02B 7/09 - Mountings, adjusting means, or light-tight connections, for optical elements for lenses with mechanism for focusing or varying magnification adapted for automatic focusing or varying magnification
The present invention provides a camera optical lens, including, from an object side to an image side, a first lens having a positive refractive power, a second lens having a negative refractive power, a third lens having a positive refractive power, a fourth lens having a positive refractive power, and a fifth lens having a negative refractive power. At least one of the first to fifth lenses has a free-form surface, and the camera optical lens satisfies: 2.00≤f3/f≤5.50; 2.00≤R4/R3≤23.00, where f is a focal length of the camera optical lens, f3 is a focal length of the third lens, R3 is a central curvature radius of an object side surface of the second lens, and R4 is a central curvature radius of an image side surface of the second lens. The camera optical lens satisfies requirements of a large aperture, a wide angle and ultra-thinness, and has excellent optical performance.
G02B 9/60 - Optical objectives characterised both by the number of the components and their arrangements according to their sign, i.e. + or – having five components only
G02B 13/18 - Optical objectives specially designed for the purposes specified below with lenses having one or more non-spherical faces, e.g. for reducing geometrical aberration
A camera optical lens includes, object side to image side, a first lens having positive refractive power, a second lens having positive refractive power, a third lens having negative refractive power, a fourth lens having positive refractive power, and a fifth lens having negative refractive power, and satisfies: 1.10≤f1/f≤1.50; 0.40≤R3/R4≤1.00; and 1.00≤d5/d6≤2.00, where f is a focal length of the camera optical lens, f1 is a focal length of the first lens, R3 is a central curvature radius of an object side surface of the second lens, R4 is a central curvature radius of an image side surface of the second lens, d5 is an on-axis thickness of the third lens, and d6 is an on-axis distance from an image side surface of the third lens to an object side surface of the fourth lens, thereby having a large aperture, a wide angle and ultra-thinness with good optical performance.
G02B 9/60 - Optical objectives characterised both by the number of the components and their arrangements according to their sign, i.e. + or – having five components only
G02B 13/00 - Optical objectives specially designed for the purposes specified below
A camera optical lens includes from an object side to an image side: a first lens, a second lens, a third lens, a fourth lens, a fifth lens and a sixth lens. The camera optical lens satisfies: −1.00≤f2/f≤−0.60; 1.50≤R6/R5 and 2.00≤d4/d5≤10.00, where f denotes a focal length of the camera optical lens, f2 denotes a focal length of the second lens, R5 denotes a central curvature radius of an object side surface of the third lens, R6 denotes a central curvature radius of an image side surface of the third lens, d4 denotes an on-axis distance from an image side surface of the second lens to an object side surface of the third lens, and d5 denotes an on-axis thickness of the third lens. The camera optical lens of the application has good optical performance and meets the design requirement for a long focal length.
G02B 13/00 - Optical objectives specially designed for the purposes specified below
G02B 9/62 - Optical objectives characterised both by the number of the components and their arrangements according to their sign, i.e. + or – having six components only
G02B 27/00 - Optical systems or apparatus not provided for by any of the groups ,
A lens module, comprising a lens barrel assembly (1), a base (2), which movably supports the lens barrel assembly (1), an auto focusing (AF) electromagnetic driving assembly (3), which drives the lens barrel assembly (1) to move in an optical axis direction, and an optical image stabilization (OIS) electromagnetic driving assembly (4), which drives the lens barrel assembly (1) to move in a direction perpendicular to the optical axis direction. A first mounting portion (11) is arranged on a side of the lens barrel assembly (1) close to the base (2); a second mounting portion (21) is arranged at the position, corresponding to the first mounting portion (11), of a side of the base (2) close to the lens barrel assembly (1); the lens module further comprises balls (5) respectively abutting against the first mounting portion (11) and the second mounting portion (21); the base (2) movably supports the lens barrel assembly (1) by means of the balls (5); and the Vickers hardness of the first mounting portion (11) and the Vickers hardness of the second mounting portion (21) are both greater than the Vickers hardness of the balls (5). The balls (5) abut against the first mounting portion (11) and the second mounting portion (21), the base (2) movably supports the lens barrel assembly (1) by means of the balls (5), and the Vickers hardness of the first mounting portion (11) and the Vickers hardness of the second mounting portion (21) are both greater than the Vickers hardness of a supporting member, such that a stable and reliable lens module driven by means of electromagnetism is formed.
G02B 7/09 - Mountings, adjusting means, or light-tight connections, for optical elements for lenses with mechanism for focusing or varying magnification adapted for automatic focusing or varying magnification
G02B 27/64 - Imaging systems using optical elements for stabilisation of the lateral and angular position of the image
A lens driving apparatus, comprising: a housing (1) having an accommodating space (10), a lens assembly (2), a transmission assembly (3), and a driving apparatus (4). The lens assembly (2), the transmission assembly (3), and the driving apparatus (4) are accommodated in the accommodating space (10) of the housing (1); the driving apparatus (4) comprises a first driving assembly (42) and a second driving assembly (43). Since first magnetic steels (422) on the first driving assembly (42) and second magnetic steels (432) on the second driving assembly (43) are both provided on the surface of a lens holder (21) distant from the transmission assembly (3), the lens driving apparatus has the advantage of being compact in structure compared with the conventional structure that the first driving assembly (42) and the second driving assembly (43) are respectively provided at the top and the bottom of the lens assembly (2).
G02B 7/09 - Mountings, adjusting means, or light-tight connections, for optical elements for lenses with mechanism for focusing or varying magnification adapted for automatic focusing or varying magnification
The present invention relates to the field of optical lenses, and provides a camera optical lens, including, from an object side to an image side, a first lens having a positive refractive power, a second lens a negative refractive power, a third lens having a positive refractive power, a fourth lens having a negative refractive power, and a fifth lens. At least one of the first lens to the fifth lens has a free-form surface, and the camera optical lens satisfies: 0≤R7; and R10≤0, where R7 denotes a central curvature radius of an object side surface of the fourth lens, and R10 denotes a central curvature radius of an image side surface of the fifth lens. The camera optical lens provided by the present invention satisfies design requirements of a long focal length and ultra-thinness while having excellent optical performance.
G02B 9/34 - Optical objectives characterised both by the number of the components and their arrangements according to their sign, i.e. + or – having four components only
G02B 13/18 - Optical objectives specially designed for the purposes specified below with lenses having one or more non-spherical faces, e.g. for reducing geometrical aberration
The present invention provides a camera optical lens, including, from an object side to an image side, a first lens having a positive refractive power, a second lens a negative refractive power, a third lens having a positive refractive power, a fourth lens having a negative refractive power, and a fifth lens. At least one of the first lens to the fifth lens has a free-form surface, and the camera optical lens satisfies 0.50≤f3/f≤1.20; and 1.50≤R7/R8, where f denotes a focal length of the camera optical lens, f3 denotes a focal length of the third lens, R7 is a central curvature radius of an object side surface of the fourth lens, and R8 is a central curvature radius of an image side surface of the fourth lens. The camera optical lens has excellent optical performance while meeting requirements of a long focal length and ultra-thinness.
G02B 9/60 - Optical objectives characterised both by the number of the components and their arrangements according to their sign, i.e. + or – having five components only
G02B 13/18 - Optical objectives specially designed for the purposes specified below with lenses having one or more non-spherical faces, e.g. for reducing geometrical aberration
A camera optical lens includes, from an object side to an image side, a first lens having a positive refractive power, a second lens having a negative refractive power, a third lens having a positive refractive power, a fourth lens having a negative refractive power, and a fifth lens, with at least one of the first to fifth lenses having a free-form surface, and satisfies: −3.50≤f4/f≤−0.35; −8.00≤R10/f≤−1.00; and 2.00≤d8/d7≤8.00, where f and f4 respectively denote focal lengths of the camera optical lens and the fourth lens; R10 denotes a central curvature radius of an image side surface of the fifth lens; d7 denotes an on-axis thickness of the fourth lens; and d8 denotes an on-axis distance from an image side surface of the fourth lens to an object side surface of the fifth lens, thereby having good optical performance while satisfying design requirements of a long focal length and ultra-thinness.
G02B 9/60 - Optical objectives characterised both by the number of the components and their arrangements according to their sign, i.e. + or – having five components only
G02B 13/18 - Optical objectives specially designed for the purposes specified below with lenses having one or more non-spherical faces, e.g. for reducing geometrical aberration
A camera optical lens includes, from an object side to an image side, a first lens having a positive refractive power; a second lens having a negative refractive power; and a third lens having a positive refractive power, and satisfies: 0.65≤f1/f≤0.85; −0.90≤f2/f≤−0.60; 1.00≤f3/f≤1.20; −8.00≤(R5+R6)/(R5−R6)≤−2.50; 2.50≤d5/d4≤4.50; and 1.55≤n2≤1.70, where f, f1, f2, and f3 respectively denote focal lengths of the camera optical lens, the first lens, the second lens, and the third lens; R5 and R6 respectively denote central curvature radii of object side and image side surfaces of the third lens; d4 denotes an on-axis distance from an image side surface of the second lens to an object side surface of the third lens; d5 denotes an on-axis thickness of the third lens; and n2 denotes a refractive index of the second lens, thereby achieving good optical performance while meeting requirements of ultra-thinness and a wide angle.
G02B 9/16 - Optical objectives characterised both by the number of the components and their arrangements according to their sign, i.e. + or – having three components only arranged + – + all the components being simple
G02B 13/00 - Optical objectives specially designed for the purposes specified below
G02B 9/14 - Optical objectives characterised both by the number of the components and their arrangements according to their sign, i.e. + or – having three components only arranged + – +
A camera optical lens (10, 20, 30, 40, 50), the camera optical lens (10, 20, 30, 40, 50) comprising eight lenses in total; from an object side to an image side, the eight lenses are sequentially: a first lens (L1), a second lens (L2), a third lens (L3), a fourth lens (L4), a fifth lens (L5), a sixth lens (L6), a seventh lens (L7), and an eighth lens (L8); at least one of the first lens (L1) to the eighth lens (L8) comprises a free-form surface, the first lens (L1) has a negative refractive power, the third lens (L3) has a positive refractive power, the object side surface of the second lens (L2) is a convex surface at a paraxial region, and the image side surface of the eighth lens (L8) is a concave surface at the paraxial region. The camera optical lens (10, 20, 30, 40, 50) has good optical performance while being ultra-thin and wide-angle.
G02B 13/00 - Optical objectives specially designed for the purposes specified below
G02B 13/18 - Optical objectives specially designed for the purposes specified below with lenses having one or more non-spherical faces, e.g. for reducing geometrical aberration
Disclosed is a camera optical lens (10, 20, 30, 40), containing eight lenses in total. The eight lenses sequentially comprise, from an object side to an image side: a first lens (L1), a second lens (L2), a third lens (L3), a fourth lens (L4), a fifth lens (L5), a sixth lens (L6), a seventh lens (L7) and an eighth lens (L8), wherein at least one of the first lens (L1) to the eighth lens (L8) includes a free-form surface, the focal length of the second lens (L2) is f2, the focal length of the sixth lens (L6) is f6, the radius of curvature of an object-side surface of the first lens (L1) is R1, the radius of curvature of an image-side surface of the first lens (L1) is R2, and the following relational expressions are satisfied: -7.50 ≤ f2/f6 ≤ -1.50; and -6.00 ≤ R1/R2 ≤ -0.18. The camera optical lens (10, 20, 30, 40) has the characteristics of a large aperture, a wide angle and being ultra-thin while also having good optical performance.
A reflection module and a periscopic camera. The reflection module comprises a housing (1), a base (2), a prism bracket (3), a prism (4), a first rotating shaft (5) rotatably connected to the housing (1) and the base (2), a second rotating shaft (6) rotatably connected to the base (2) and the prism bracket (3), a first drive assembly (7) for driving the base (2) to rotate around the first rotating shaft (5), and a second drive assembly (8) for driving the prism bracket (3) to rotate around the second rotating shaft (6). The first drive assembly (7) comprises a first coil (71) fixed with respect to the housing (1) and first magnetic steel (73) fixed to the base (2). The reflection module further comprises a magnetically conductive plate (a) provided on the side of the first coil (71) away from the first magnetic steel (73) and fixed with respect to the housing (1) and return magnetic steel (b) provided on the side of first magnetic steel (73) away from the first coil (71) and fixed to the prism bracket (3). A return force for driving the base (2) to return and reset is formed between the first magnetic steel (73) and the magnetically conductive plate (a), and a drive force for driving the prism bracket (3) to return and reset is formed between the first magnetic steel (73) and the return magnetic steel (b).
G02B 7/18 - Mountings, adjusting means, or light-tight connections, for optical elements for prismsMountings, adjusting means, or light-tight connections, for optical elements for mirrors
H01F 27/30 - Fastening or clamping coils, windings, or parts thereof togetherFastening or mounting coils or windings on core, casing, or other support
A photographing optical lens (10), comprising eight lenses in total. From the object side to the image side, the eight lenses are sequentially a first lens (L1), a second lens (L2), a third lens (L3), a fourth lens (L4), a fifth lens (L5), a sixth lens (L6), a seventh lens (L7), and an eighth lens (L8); at least one of the first lens (L1) to the eight lens (L8) has a freeform surface; the focal length of the photographing optical lens (10) is f; the focal length of the fourth lens (L4) is f4; the radius of curvature of the object-side surface of the fifth lens (L5) is R9; the radius of curvature of the image-side surface of the fifth lens (L5) is R10; the following relations are satisfied: 1.30≤f4/f≤5.00, and 0≤(R9+R10)/(R9-R10)≤4.50. The present photographing optical lens (10) is ultra-thin and wide-angle and has good optical performance, and can effectively correct aberrations and further improve the performance of optical systems.
G02B 13/00 - Optical objectives specially designed for the purposes specified below
G02B 13/18 - Optical objectives specially designed for the purposes specified below with lenses having one or more non-spherical faces, e.g. for reducing geometrical aberration
A camera optical lens (10), comprising three lenses in total. The three lenses sequentially comprise, from an object side to an image side: a first lens (L1) having a positive refractive power, a second lens (L2) having a negative refractive power, and a third lens (L3) having a positive refractive power, wherein the focal length of the camera optical lens (10) is f; the focal length of the first lens (L1) is f1; the focal length of the second lens (L2) is f2; the focal length of the third lens (L3) is f3; the central radius of curvature of the object side surface of the third lens (L3) is R5; the central radius of curvature of the image side surface of the third lens (L3) is R6; the on-axis distance from the image side surface of the second lens (L2) to the object side surface of the third lens (L3) is d4; the on-axis thickness of the third lens (L3) is d5; the refractive index of the second lens (L2) is n2; and the following relations are satisfied: 0.65≤f1/f≤0.85; -0.90≤f2/f≤-0.60; 1.00≤f3/f≤1.20; -8.00≤(R5+R6)/(R5-R6)≤-2.50; 2.50≤d5/d4≤4.50; and 1.55≤n2≤1.70. The camera optical lens (10) has good optical properties, and meets wide-angle and ultra-thin design requirements.
G02B 13/00 - Optical objectives specially designed for the purposes specified below
G02B 13/18 - Optical objectives specially designed for the purposes specified below with lenses having one or more non-spherical faces, e.g. for reducing geometrical aberration
Disclosed are a reflection module and a periscopic camera. The reflection module comprises: a housing (1); a base (2); a prism support (3); a prism (4); a first rotary shaft (5) for rotationally connecting the housing (1) and the base (2); a second rotary shaft (6) for rotationally connecting the base (2) and the prism support (3); a first driving assembly (7) for driving the base (2) to rotate around the first rotary shaft (5); and a second driving assembly (8) for driving the prism support (3) to rotate around the second rotary shaft (6), wherein the first driving assembly (7) comprises a first coil (71) fixed relative to the housing (1), and first magnetic steel (73) fixed to the base (2); and the second driving assembly (8) comprises a second coil (81) fixed relative to the housing (1), and second magnetic steel (83) fixed to the prism support (3). The reflection module further comprises a first magnetic conductive plate (a), which is arranged on a side of the first coil (71) away from the first magnetic steel (73) and is fixed relative to the housing (1), and a second magnetic conductive plate (b), which is arranged on a side of the second coil (81) away from the second magnetic steel (83) and is fixed relative to the housing (1). The reflection module and the periscopic camera can reduce or even avoid the influence of magnetic interference on the rotation and resetting of the base (2) and the prism support (3).
G02B 7/18 - Mountings, adjusting means, or light-tight connections, for optical elements for prismsMountings, adjusting means, or light-tight connections, for optical elements for mirrors
G03B 5/00 - Adjustment of optical system relative to image or object surface other than for focusing of general interest for cameras, projectors or printers
G03B 17/17 - Bodies with reflectors arranged in beam forming the photographic image, e.g. for reducing dimensions of camera
A camera optical lens includes first to fourth lenses from an object side to an image side, with first and fourth lenses having negative refractive power, and a third lens having positive refractive power, and satisfies −3.50≤f1/f≤−2.00; 0.55≤f3/f≤0.75; 5.00≤d3/d4≤15.00; 5.00≤d5/d6≤35.00; −20.00≤(R3+R4)/(R3−R4)≤−3.00; and −5.00≤R1/R2≤−2.00, where f, f1, and f3 respectively denote focal lengths of the camera optical lens, the first lens, and the third lens, d3 and d5 respectively denote on-axis thicknesses of second and third lenses, d4 and d6 respectively denote a distance between second and third lenses and a distance between third and fourth lenses, R3 and R4 respectively denote curvature radii of object side and image side surfaces of the second lens, and R1 and R2 denotes curvature radii of object side and image side surfaces of the first lens, thereby having good optical performance while meeting design requirements of a wide angle and ultra-thinness.
G02B 9/34 - Optical objectives characterised both by the number of the components and their arrangements according to their sign, i.e. + or – having four components only
G02B 13/00 - Optical objectives specially designed for the purposes specified below
A camera optical lens includes, from an object side to an image side, a first lens, a second lens, a third lens, a fourth lens, a fifth lens, a sixth lens, a seventh lens, and an eighth lens. At least one of the first lens to the eighth lens has a free-form surface, and the camera optical lens satisfies: −7.50≤f2/f6≤−1.50; and −6.00≤R1/R2≤−0.18, where f2 denotes a focal length of the second lens, f6 denotes a focal length of the sixth lens, R1 denotes a curvature radius of an object-side surface of the first lens, and R2 denotes a curvature radius of an image-side surface of the first lens. The camera optical lens has good optical performance, as well as a large aperture, ultra-thinness and a wide angle.
G02B 9/64 - Optical objectives characterised both by the number of the components and their arrangements according to their sign, i.e. + or – having more than six components
G02B 13/18 - Optical objectives specially designed for the purposes specified below with lenses having one or more non-spherical faces, e.g. for reducing geometrical aberration
A camera optical lens includes first to eighth lenses that are arranged sequentially from an object side to an image side. At least one of the first lens to the eighth lens has a free-form surface, and the camera optical lens satisfies: 1.30≤f4/f≤5.00; and 0≤(R9+R10)/(R9−R10)≤4.50, where f denotes a focal length of the camera optical lens, f4 denotes a focal length of the fourth lens, R9 denotes a curvature radius of an object-side surface of the fifth lens, and R10 denotes a curvature radius of an image-side surface of the fifth lens. The camera optical lens has a wide angle and is ultra-thin, as well as having excellent optical performance, and can effectively correct aberration and improve the performance of the optical system.
A camera optical lens includes, from an object side to an image side, a first lens, a second lens, a third lens, a fourth lens, a fifth lens, a sixth lens, a seventh lens, and an eighth lens. At least one of the first lens, the second lens, the third lens, the fourth lens, the fifth lens, the sixth lens, the seventh lens, or the eighth lens has a free-form surface. The first lens has a negative refractive power, and the third lens has a positive refractive power, an object-side surface of the second lens is convex at a paraxial position, and an image-side surface of the eighth lens is concave at the paraxial position. The camera optical lens has a wide angle and ultra-thinness, as well as excellent optical performance.
G02B 9/64 - Optical objectives characterised both by the number of the components and their arrangements according to their sign, i.e. + or – having more than six components
G02B 13/18 - Optical objectives specially designed for the purposes specified below with lenses having one or more non-spherical faces, e.g. for reducing geometrical aberration
An optical camera lens (10, 20, 30, 40, 50). The optical camera lens (10, 20, 30, 40, 50) comprises in total five lenses, which sequentially comprise, from an object side to an image side: a first lens (L1) having positive refractive power, a second lens (L2) having negative refractive power, a third lens (L3) having negative refractive power, a fourth lens (L4) having positive refractive power and a fifth lens (L5) having negative refractive power. The focal length of the entire optical camera lens (10, 20, 30, 40, 50) is f, the focal length of the first lens (L1) is f1, the focal length of the third lens (L3) is f3, the radius of curvature of an object-side surface of the fourth lens (L4) is R7, the radius of curvature of an image-side surface of the fourth lens (L4) is R8, the on-axis thickness of the first lens (L1) is d1, the on-axis distance from an image-side surface of the first lens (L1) to an object-side surface of the second lens (L2) is d2, and the following relational expressions are satisfied: 0.90≤f1/f≤1.30; -5.00≤f3/f≤-2.50; 10.00≤d1/d2≤25.00; and 0≤(R7+R8)/(R7-R8)≤0.90. The optical camera lens (10, 20, 30, 40, 50) meets the large-aperture, wide-angle and ultrathin design requirements while having good optical performance.
G02B 13/00 - Optical objectives specially designed for the purposes specified below
G02B 13/18 - Optical objectives specially designed for the purposes specified below with lenses having one or more non-spherical faces, e.g. for reducing geometrical aberration
A camera optical lens (10, 20, 30, 40, 50), relating to the field of optical lenses. The camera optical lens (10, 20, 30, 40, 50) comprises four lenses in total; the four lenses sequentially comprise, from an object side to an image side: a first lens (L1), a second lens (L2), a third lens (L3), and a fourth lens (L4); the overall focal length of the camera optical lens (10, 20, 30, 40, 50) is f; the focal length of the first lens (L1) is f1; the focal length of the third lens (L3) is f3; the radius of curvature of the object side surface of the first lens (L1) is R1; the radius of curvature of the image side surface of the first lens (L1) is R2; the radius of curvature of the object side surface of the second lens (L2) is R3; the radius of curvature of the image side surface of the second lens (L2) is R4; the on-axis thickness of the second lens (L2) is d3; the on-axis distance from the image side surface of the second lens (L2) to the object side surface of the third lens (L3) is d4; the on-axis thickness of the third lens (L3) is d5; the on-axis distance from the image side surface of the third lens (L3) to the object side surface of the fourth lens (L4) is d6; and the following relations are satisfied: -3.50≤f1/f≤-2.00; 0.55≤f3/f≤0.75; 5.00≤d3/d4≤15.00; 5.00≤d5/d6≤35.00; -20.00≤(R3+R4)/(R3-R4) ≤-3.00; and -5.00≤R1/R2≤-2.00. The camera optical lens (10, 20, 30, 40, 50) has excellent optical properties, and satisfies wide-angle and ultra-thin design requirements.
A camera optical lens includes first to fifth lenses from an object side to an image side, which are first and fourth lenses having positive refractive power, and second, third and fifth lenses having negative refractive power. The camera optical lens satisfies 0.90≤f1/f≤1.30; −5.00≤f3/f≤−2.50; 10.00≤d1/d2≤25.00; and 0≤(R7+R8)/(R7−R8)≤0.90, where f, f1 and f3 respectively denote focal lengths of the camera optical lens, the first lens, and the third lens, R7 denotes a curvature radius of an object side surface of the fourth lens, R8 denotes a curvature radius of an image side surface of the fourth lens, d1 denotes an on-axis thickness of the first lens, and d2 denotes an on-axis distance from an image side surface of the first lens to an object side surface of the second lens. The camera optical lens has good optical performance and satisfies design requirements of a large angle, a wide angle and ultra-thinness.
G02B 9/60 - Optical objectives characterised both by the number of the components and their arrangements according to their sign, i.e. + or – having five components only
G02B 13/00 - Optical objectives specially designed for the purposes specified below
A camera optical lens. The camera optical lens sequentially comprises, from an object side to an image side: a first lens (L1) with a positive refractive power, a second lens (L2) with a refractive power, a third lens (L3) with a negative refractive power, a fourth lens (L4) with a positive refractive power, and a fifth lens (L5) with a negative refractive power. A focal length of the whole photographing optical lens is f, a focal length of the first lens (L1) is f1, a radius of curvature of an object-side surface of the second lens (L2) is R3, a radius of curvature of an image-side surface of the second lens is R4, a radius of curvature of an object-side surface of the third lens (L3) is R5, a radius of curvature of an image-side surface of the third lens is R6, an on-axis thickness of the third lens (L3) is d5, an on-axis distance from the image-side surface of the third lens (L3) to the object-side surface of the fourth lens (L4) is d6, and the following relational expressions are satisfied: 0.90 ≤ f1/f ≤ 1.20; 5.00 ≤ (R3+R4)/(R3-R4) ≤ 30.00; 3.00 ≤ d5/d6 ≤ 10.00; and -15.00 ≤ (R5+R6)/(R5-R6) ≤ -3.00. The camera optical lens exhibits good optical performances, and also meets the design requirements of a large aperture, a wide angle and ultra-thinness.
G02B 13/18 - Optical objectives specially designed for the purposes specified below with lenses having one or more non-spherical faces, e.g. for reducing geometrical aberration
An optical camera lens (10) comprises seven lenses. The seven lenses are, from an object side to an image side, as follows: a first lens (L1) having a positive refractive power, a second lens (L2) having a negative refractive power, a third lens (L3) having a positive refractive power, a fourth lens (L4) having a negative refractive power, a fifth lens (L5) having a refractive power, a sixth lens (L6) having a positive refractive power, and a seventh lens (L7) having a negative refractive power. The optical camera lens (10) has a focal length f. The third lens (L3) has a focal length f3. The Abbe number of the first lens (L1) is v1. The Abbe number of the second lens (L2) is v2. The fourth lens (L4) has a radius of curvature R7 for an object side surface, and a radius of curvature R8 for an image side surface. The first lens (L1) has an axial thickness of d1. An axial distance between an image side surface of the first lens (L1) and an object side surface of the second lens (L2) is d2. The following relationship formulas are met: 2.90 ≤ v1/v2 ≤ 4.50; 4.00 ≤ f3/f ≤ 10.00; 1.50 ≤ d1/d2 ≤ 4.00; 3.00 ≤ R7/R8. The optical camera lens (10) satisfies large-aperture, wide-angle, and ultra-thin design requirements while having good optical performance.
G02B 11/34 - Optical objectives characterised by the total number of simple and compound lenses forming the objective and their arrangement having more than six lenses
G02B 13/00 - Optical objectives specially designed for the purposes specified below
G02B 13/18 - Optical objectives specially designed for the purposes specified below with lenses having one or more non-spherical faces, e.g. for reducing geometrical aberration
A camera optical lens (10), comprising seven lenses in total. The seven lenses are sequentially, from an object side to an image side: a first lens (L1) having positive refractive power, a second lens (L2) and a third lens (L3) having negative refractive power, a fourth lens (L4) having positive refractive power, a fifth lens (L5) having positive refractive power, a sixth lens (L6) having negative refractive power, and a seventh lens (L7) having negative refractive power; the focal length of the first lens (L1) is f1, the focal length of the sixth lens (L6) is f6, the focal length of the seventh lens (L7) is f7, and the overall focal length of the camera optical lens (10) is f; an on-axis distance from an image side surface of the second lens (L2) to an object side surface of the third lens (L3) is d4, and an on-axis thickness of the third lens (L3) is d5; moreover, the following relational expressions are satisfied: 0.50≤f1/f≤0.80; 1.50≤f6/f7≤5.00; and 1.20≤d4/d5≤2.00. The camera optical lens (10) has optical properties of a large aperture, a long focal length, and ultra-thinness.
G02B 13/18 - Optical objectives specially designed for the purposes specified below with lenses having one or more non-spherical faces, e.g. for reducing geometrical aberration
An optical camera lens (10), comprising sequentially from an object side to an image side: a first lens (L1) having negative refractive power, a second lens (L2) having positive refractive power, a third lens (L3) having negative refractive power, a fourth lens (L4) having positive refractive power, a fifth lens (L5), and a sixth lens (L6) having negative refractive power. The focal length of the optical camera lens (10) is f, the focal length of the first lens (L1) is f1, the radius of curvature of the object side surface of the fourth lens (L4) is R7, the radius of curvature of the image side surface of the fourth lens (L4) is R8, the axial distance from the image side surface of the second lens (L2) to the object side surface of the third lens (L3) is d4, the axial distance from the image side surface of the third lens (L3) to the object side surface of the fourth lens (L4) is d6, and the following relationship is satisfied: -3.00≤f1/f≤-1.50; 1.50≤d4/d6≤4.00; R7/R8≤-8.00. The optical camera lens (10) meets the design requirements of having a large aperture and a wide angle and being ultra-thin, while also having good optical performance.
G02B 13/18 - Optical objectives specially designed for the purposes specified below with lenses having one or more non-spherical faces, e.g. for reducing geometrical aberration
Provided is a camera optical lens, which includes, from an object side to an image side, first to seventh lenses. The camera optical lens satisfies following conditions: 0.50≤f1/f≤0.80; 1.50≤f6/f7≤5.00; and 1.20≤d4/d5≤2.00, where f denotes a focal length of the camera optical lens, f1 denotes a focal length of the first lens, f6 denotes a focal length of the sixth lens, f7 denotes a focal length of the seventh lens, d4 denotes an on-axis distance from an image side surface of the second lens to an object side surface of the third lens, and d5 denotes an on-axis thickness of the third lens. The camera optical lens according to the present disclosure can achieve high optical performance while satisfying design requirements for ultra-thin, long-focal-length lenses having large apertures.
G02B 13/00 - Optical objectives specially designed for the purposes specified below
G02B 9/64 - Optical objectives characterised both by the number of the components and their arrangements according to their sign, i.e. + or – having more than six components
A camera optical lens includes first to sixth lenses from object side to image side, with first, third and sixth lenses having negative refractive power and second and fourth lenses having positive refractive power, and satisfies: −3.00≤f1/f≤−1.50; 1.50≤d4/d6≤4.00; and R7/R8≤−8.00, where f and f1 denotes respectively focal lengths of the camera optical lens and the first lens, R7 denotes a curvature radius of an object side surface of the fourth lens, R8 denotes a curvature radius of an image side surface of the fourth lens, d4 denotes an on-axis distance from an image side surface of the second lens to an object side surface of the third lens, and d6 denotes an on-axis distance from an image side surface of the third lens to the object side surface of the fourth lens, thereby meeting requirements of a large aperture, a wide angle, and ultra-thinness while having good optical performance.
G02B 13/00 - Optical objectives specially designed for the purposes specified below
G02B 9/62 - Optical objectives characterised both by the number of the components and their arrangements according to their sign, i.e. + or – having six components only
A camera optical lens includes a first lens having a positive refractive power, a second lens having a refractive power, a third lens having a negative refractive power, a fourth lens having a positive refractive power, and a fifth lens having a negative refractive power, which are sequentially arranged from an object side to an image side. 0.90≤f1/f≤1.20, 5.00≤(R3+R4)/(R3−R4)≤30.00, 3.00≤d5/d6≤10.00, and −15.00≤(R5+R6)/(R5−R6)≤−3.00. f denotes a focal length of the camera optical lens, f1 denotes a focal length of the first lens, R3 denotes a curvature radius of an object-side surface of the second lens, R4 denotes a curvature radius of an image-side surface of the second lens, and R5 denotes a curvature radius of an object-side surface of the third lens. The camera optical lens has good optical performance and meets the design requirements of a large aperture, a wide angle, and ultra-thinness.
G02B 9/60 - Optical objectives characterised both by the number of the components and their arrangements according to their sign, i.e. + or – having five components only
G02B 13/00 - Optical objectives specially designed for the purposes specified below
An image pickup optical camera (10). From an object side to an image side, the image pickup optical camera (10) sequentially comprises seven lenses, i.e., a first lens (L1), a second lens (L2), a third lens (L3), a fourth lens (L4), a fifth lens (L5), a sixth lens (L6), and a seventh lens (L7); at least one of the first lens (L1) to the seventh lens (L7) comprises a freeform curved surface; the focal length of the whole image pickup optical camera (10) is f, the focal length of the fourth lens (L4) is f4, the axial thickness of the third lens (L3) is d5, an axial distance between the image side surface of the third lens (L3) and the object side surface of the fourth lens (L4) is d6, and the following relational expressions are satisfied: -4.50≤f4/f≤-2.00, and 0.65≤d5/d6≤19.50. The image pickup optical camera (10) has good optical performance, and satisfies the design requirements of ultra-thinness and a wide angle.
G02B 9/64 - Optical objectives characterised both by the number of the components and their arrangements according to their sign, i.e. + or – having more than six components
99.
Camera optical lens including five lenses of-+++-refractive powers
A camera optical lens includes, from an object side to an image side: a first lens having a negative refractive power; a second lens having a positive refractive power; a third lens having a positive refractive power; a fourth lens having a positive refractive power; and a fifth lens having a negative refractive power. 2.50≤f3/f≤6.00, −2.00≤R4/R3≤−1.00, and 1.00≤d1/d2≤1.80. f denotes a focal length of the camera optical lens; f3 denotes a focal length of the third lens; R3 denotes a curvature radius of an object-side surface of the second lens; R4 denotes a curvature radius of an image-side surface of the second lens; d1 denotes an on-axis thickness of the first lens; d2 denotes an on-axis distance from an image-side surface of the first lens to an object-side surface of the second lens. The camera optical lens can achieve good optical performance while achieving ultra-thin, wide-angle lenses having large apertures.
G02B 13/00 - Optical objectives specially designed for the purposes specified below
G02B 9/60 - Optical objectives characterised both by the number of the components and their arrangements according to their sign, i.e. + or – having five components only
A camera optical lens is provided. The camera optical lens includes seven lenses, and the seven lenses are sequentially arranged from an object side to an image side, i.e., a first lens having a negative refractive power, a second lens having a positive refractive power, a third lens, a fourth lens having a negative refractive power, a fifth lens having a positive refractive power, a sixth lens having a positive refractive power, and a seventh lens having a negative refractive power. At least one of the first lens to the seventh lens includes a free-form surface. The camera optical lens according to the present disclosure can achieve good optical performance and meet the design requirements of being ultra-thin, and having a wide-angle and a large apertures.
G02B 13/00 - Optical objectives specially designed for the purposes specified below
G02B 9/64 - Optical objectives characterised both by the number of the components and their arrangements according to their sign, i.e. + or – having more than six components
G02B 27/00 - Optical systems or apparatus not provided for by any of the groups ,
