The present invention relates to an open binocular near-eye display device with an adjustable pupillary distance, including a binocular display host allowing both eyes to simultaneously view enlarged pictures. The binocular display host includes a middle frame component, a fixed bracket, a left optical machine fixing frame, and a right optical machine fixing frame. The middle frame component is provided with a fixing portion connected to the fixed bracket, and position-limiting portions are arranged on both sides of the fixing portion. The fixing portion is provided with an adjustment gap. The middle frame component is provided with a sliding component, and the fixed bracket is provided with an adjustment knob. The left optical machine fixing frame and the right optical machine fixing frame are each provided with a rack, and the two racks are both engaged with a driving gear and are located on both sides of the driving gear.
The present invention relates to an eyepiece optical system and a head-mounted display device. The system includes a first lens group, a second lens group, a third lens group, and a fourth lens group arranged coaxially and sequentially in an optical axis direction from an observation side of human eyes to a micro-image display side, wherein the first lens group has a positive effective focal length and is composed of a first lens close to a human eye side and a second lens away from the human eye side, the second lens group has a negative effective focal length and is composed of a third lens and a fourth lens, the third lens group has a positive effective focal length and is composed of a fifth lens, and the fourth lens group is composed of a sixth lens and a seventh lens. The system is suitable for head-mounted displays.
The present invention relates to an eyepiece optical system and a head-mounted display device. The system includes a first lens, a second lens, a third lens, a fourth lens, a fifth lens, and a sixth lens arranged coaxially and sequentially in an optical axis direction from an observation side of human eyes to a micro-image display, and meeting a certain focal length relationship. The first lens, the third lens, and the fourth lens are positive lenses, the second lens and the fifth lens are negative lenses, and material properties of various lenses meet a certain relationship, which effectively alleviates defects of the prior art, and has a better aberration correction ability and better processability, thereby achieving performance indicators such as large field-of-view angle, low distortion, and high optical resolution, reducing the manufacturing difficulty. The eyepiece optical system of the present invention is suitable for head-mounted displays and similar devices.
G02B 9/62 - Objectifs optiques caractérisés à la fois par le nombre de leurs composants et la façon dont ceux-ci sont disposés selon leur signe, c.-à-d. + ou — ayant uniquement six composants
G02B 13/00 - Objectifs optiques spécialement conçus pour les emplois spécifiés ci-dessous
The present invention relates to a method and system for actively adjusting diopter of a head-mounted display, and a head-mounted display. The method includes the following steps: adjusting a relative distance between a displaying component of the head-mounted display and an optical component by a motor driving component; presetting a mapping relationship between a diopter value and a motor pulse number; accordingly converting into a control signal for the motor driving component according to the mapping relationship; and actively adjusting the relative distance between the displaying component of the head-mounted display and the optical component by the motor driving component according to the control signal. A target diopter value is inputted and converted into a corresponding control signal. The motor driving component actively adjusts the relative distance between the displaying component of the head-mounted display and the optical component according to the control signal.
The present invention relates to an eyepiece optical assembly, system and device. The assembly includes a first optics group, a second optics group and a third optics group arranged in sequence along an optical axis from a human eye viewing side to a miniature display. The first optics group includes a first lens group, a first polarizer group and a first waveplate group, the second optics group includes a second lens group and a transflective optical surface, and the third optics group includes a third lens group, a second waveplate group and a second polarizer group. Imaging light is emitted from the miniature display and is reflected and refracted back and forth between the first optics group and the second optics group, and finally exits from the first optics group close to the human eye viewing side into a human eye for imaging.
An eyepiece optical system and a head-mounted display device. The system comprises 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) which are coaxially arranged in sequence along the optical axis direction from a human eye observation side to a micro image display device (I), and a certain focal length relationship is satisfied; the first lens (L1), the third lens (L3), and the fourth lens (L4) are positive lenses, the second lens (L2) and the fifth lens (L5) are negative lenses, and material properties of the lenses satisfy a certain relationship. The defects of the prior art are effectively overcome, the aberration correction capability is better, the processability is better, and performance indexes such as large field of view, low distortion, and high optical resolution are realized, such that the manufacturing difficulty, the manufacturing cost, and the product weight of the eyepiece optical system are reduced, the optical performance of the system and the user experience of the product are greatly improved, and the eyepiece optical system is suitable for the head-mounted display device and similar devices.
G02B 13/18 - Objectifs optiques spécialement conçus pour les emplois spécifiés ci-dessous avec des lentilles ayant une ou plusieurs surfaces non sphériques, p. ex. pour réduire l'aberration géométrique
G02B 13/06 - Objectifs panoramiquesLentilles dites "de ciel"
7.
EYEPIECE OPTICAL SYSTEM AND HEAD-MOUNTED DISPLAY DEVICE
An eyepiece optical system and a head-mounted display device. The eyepiece optical system comprises a first lens group (A1), a second lens group (A2), a third lens group (A3) and a fourth lens group (A4), which are coaxially and sequentially arranged along an optical axis from a human eye observation side to a micro image display side, and satisfy a certain focal length relationship, wherein the first lens group (A1) has an effective focal length of a positive value, and is composed of a first lens (L1) close to a human eye side and a second lens (L2) away from the human eye side; the second lens group (A2) has an effective focal length of a negative value, and is composed of a third lens (L3) and a fourth lens (L4); the third lens group (A3) has an effective focal length of a positive value, and is composed of a fifth lens (L5); and the fourth lens group (A4) is composed of a sixth lens (L6) and a seventh lens (L7). The first lens (L1), the second lens (L2) and the fifth lens (L5) are positive lenses, the third lens (L3) and the fourth lens (L4) are negative lenses, and materials of the lenses satisfy a certain relationship. The eyepiece optical system has advantages such as a large field of view, high resolution, and low distortion, and is applicable to a head-mounted display and similar devices.
09 - Appareils et instruments scientifiques et électriques
Produits et services
Headphones; Headsets; Bags adapted for laptops; Components for electrical mains in the nature of electric wires, connectors, circuit breakers and cables; Headphone cases; Headphones in the form of headbands; High definition multimedia interface cables; Sleeves for laptops; Spectacle cases; Wireless ear buds
9.
Reflective eyepiece optical system and head-mounted near-to-eye display device
The present invention relates to a reflective eyepiece optical system and a head-mounted near-to-eye display apparatus. The system includes: a first lens group, and a first optical element and a second lens group for transmitting and reflecting a light from a miniature image displayer. The second lens group includes an optical reflection surface, and the optical reflection surface is an optical surface farthest from a human eye viewing side in the second lens group. The optical reflection surface is concave to a human eye viewing direction. The first optical element reflects the light refracted by the first lens group to the second lens group, and then transmits the light refracted, reflected, and refracted by the second lens group to the human eyes.
G02B 9/62 - Objectifs optiques caractérisés à la fois par le nombre de leurs composants et la façon dont ceux-ci sont disposés selon leur signe, c.-à-d. + ou — ayant uniquement six composants
The present invention relates to a reflective eyepiece optical system and a head-mounted near-to-eye display device. The system includes: a first lens group, a first optical element and a second lens group for transmitting and reflecting light from a miniature image displayer; the second lens group includes an optical reflection surface, and the optical reflection surface is the optical surface farthest from a human eye viewing side in the second lens group; the optical reflection surface is concave to human eyes; the first optical element reflects the light refracted by the first lens group to the second lens group, and then transmits the light refracted, reflected and again refracted by the second lens group to the human eyes.
G02B 15/14 - Objectifs optiques avec moyens de faire varier le grossissement par déplacement axial d'au moins une lentille ou de groupes de lentilles relativement au plan de l'image afin de faire varier de façon continue la distance focale équivalente de l'objectif
G02B 9/12 - Objectifs optiques caractérisés à la fois par le nombre de leurs composants et la façon dont ceux-ci sont disposés selon leur signe, c.-à-d. + ou — ayant uniquement trois composants
The present invention relates to a reflective eyepiece optical system and a head-mounted near-to-eye display apparatus. The system includes: a first lens group, and a first optical element and a second lens group for transmitting and reflecting a light from a miniature image displayer. The second lens group includes an optical reflection surface, and the optical reflection surface is an optical surface farthest from a human eye viewing side in the second lens group. The optical reflection surface is concave to a human eye viewing direction. The first optical element reflects the light refracted by the first lens group to the second lens group, and then transmits the light refracted, reflected, and refracted by the second lens group to the human eye.
G02B 15/14 - Objectifs optiques avec moyens de faire varier le grossissement par déplacement axial d'au moins une lentille ou de groupes de lentilles relativement au plan de l'image afin de faire varier de façon continue la distance focale équivalente de l'objectif
G02B 9/04 - Objectifs optiques caractérisés à la fois par le nombre de leurs composants et la façon dont ceux-ci sont disposés selon leur signe, c.-à-d. + ou — ayant uniquement deux composants
G02B 13/00 - Objectifs optiques spécialement conçus pour les emplois spécifiés ci-dessous
The present invention relates to a reflective eyepiece optical system and a head-mounted near-to-eye display device. The system includes: a first optical element and a second optical element arranged successively in an incident direction of an optical axis of human eyes, and a first lens group located on an optical axis of a miniature image displayer. The first optical element is used for transmitting and reflecting an image light from the miniature image displayer. The second optical element includes an optical reflection surface. The first optical element reflects the image light refracted by the first lens group to the second optical element, and then transmits the image light reflected by the second optical element to the human eyes.
G02B 15/14 - Objectifs optiques avec moyens de faire varier le grossissement par déplacement axial d'au moins une lentille ou de groupes de lentilles relativement au plan de l'image afin de faire varier de façon continue la distance focale équivalente de l'objectif
The present invention relates to a reflective eyepiece optical system and a head-mounted near-to-eye display device. The system includes: a first optical element and a second optical element arranged successively along an incident direction of an optical axis of human eyes, and a first lens group located on an optical axis of an miniature image displayer. The first optical element is used for transmitting and reflecting an image light from the miniature image displayer. The second optical element includes one optical reflection surface. The first optical element reflects the image light refracted by the first lens group to the second optical element, and then transmits the image light reflected by the second optical element to the human eyes. The effective focal lengths of the first sub-lens group and the second sub-lens group are a combination of positive and negative.
The present invention relates to a reflective eyepiece optical system and a head-mounted near-to-eye display device. The system includes: a first lens group, and a first optical element and a second lens group for transmitting and reflecting a light from a miniature image displayer; the second lens group includes one optical reflection surface which is an optical surface farthest from a human eye viewing side in the second lens group; the optical reflection surface is concave to a human eye viewing direction; the first optical element reflects the light refracted by the first lens group to the second lens group, and then transmits the light refracted, reflected and then refracted by the second lens group to human eyes; and the focal length combination among respective lenses is negative, positive and positive.
The present invention relates to a reflective eyepiece optical system and a head-mounted near-to-eye display device. The system includes: a first optical element and a second optical element which are arranged sequentially along an incident direction of an optical axis of human eyes, and a first lens group located on an optical axis of a miniature image displayer; wherein the first optical element and the second optical element are used for transmitting and reflecting an image light from the miniature image displayer; the first optical element reflects the image light passing through the first lens group to the second optical element, and then transmits the image light reflected by the second optical element to the human eyes.
The present invention relates to a reflective eyepiece optical system and a head-mounted near-to-eye display device. The system includes: a first optical element and a second optical element arranged successively along an incident direction of an optical axis of the human eye, and a first lens group located on an optical axis of an miniature image displayer. The first optical element reflects the image light refracted by the first lens group to the second optical element, and then transmits the image light reflected by the second optical element to the human eye. The effective focal lengths of the first sub-lens group, the second sub-lens group and the third sub-lens group are a combination of positive, negative and positive. The optical path is effectively folded, the overall size of the optical system is reduced, aberrations are largely eliminated, and a visual experience effect of high liveness is achieved.
09 - Appareils et instruments scientifiques et électriques
28 - Jeux, jouets, articles de sport
Produits et services
(1) Spectacle lens blanks; goggles for sports; eyeglasses; computer monitors; video telephones; televisions; photographic viewfinders; semiconductors; telescopic lens sights; audiovisual receivers; spectacles; virtual reality headsets; optical apparatus in the form of stereo microscopes; 3D spectacles; smart glasses; stereoscopes; fluorescent screens; headphones; video screens; optical lenses; stereoscopic equipment for 3D viewing.
(2) Portable games with liquid crystal displays; controllers for game consoles; handheld video game consoles; video game consoles for use with an external display screen or monitor; bags specially adapted for handheld video game consoles; battery-powered computer game with LCD screen; video game consoles; educational toys; tennis ball throwing apparatus; exercise trampolines.
18.
Mechanism for head mounted display that simultaneously adjusts diopter and interpupillary distances using a single knob assembly
A head-mounted display apparatus is disclosed which including a main frame arranged with left and right display screens, left and right eyepieces arranged in correspondence with the left and right display screen. The main frame is further arranged with a diopter and interpupillary distance adjustment mechanism for adjusting a distance between the display screens and the eyepieces and a distance between two eyepieces at each side. The diopter and interpupillary distance adjustment mechanism employs a rotation operation and a sliding operation of a same knob assembly for achieving adjustments of a diopter and an interpupillary distance of the head-mounted display apparatus. That is, not only the operation is easier, but also the product structure is simplified, so that the head-mounted display apparatus has a more compact structure, lighter weight and more comfortable and convenient use.
H04N 13/344 - Affichage pour le visionnement à l’aide de lunettes spéciales ou de visiocasques avec des visiocasques portant des affichages gauche et droit
F21V 8/00 - Utilisation de guides de lumière, p. ex. dispositifs à fibres optiques, dans les dispositifs ou systèmes d'éclairage
19.
Eyepiece optical system for near-eye display, and head-mounted display device
An eyepiece optical system for a near-eye display, and a head-mounted display device are disclosed. The eyepiece optical system has a first lens, a reflection unit, a second lens, and a third lens group. An optical axis of the second lens and an optical axis of the third lens group are coaxially with each other and coaxially with an optical axis of the first lens when they are reflected by the reflection unit. The third lens group has a third lens. An optical surface of the first lens proximate to the eye viewing side is convex to an eye viewing direction, and an optical surface of the second lens proximate to the miniature image displayer side is concave to a miniature image displayer direction. The present eyepiece optical system has advantages such as compact structure, small size, high optical resolution and so on, which gives the best visual experience.
09 - Appareils et instruments scientifiques et électriques
28 - Jeux, jouets, articles de sport
Produits et services
Monitors (computer hardware); television apparatus; viewfinders, photographic; audiovisual teaching apparatus; eyepieces; instruments containing eyepieces; eyeglasses; smartglasses; virtual reality headsets; optical apparatus and instruments; 3D spectacles. Portable games with liquid crystal displays; smart toys; toy telescopes; tennis ball throwing apparatus; video game machines; arcade video game machines.
A head-mounted display and a picture-in-picture display method and system therefor. The picture-in-picture display system comprises a video output apparatus (10), a head-mounted display mainboard (20) and a display screen (30). The head-mounted display mainboard (20) comprises a Type-c distributor module (21) electrically connected to the video output apparatus (10) via a Type-c data line, and a display screen drive module (22) electrically connected to the display screen (30). The Type-c distributor module (21) is electrically connected to the display screen drive module (22) via an HDMI cable. The Type-c distributor module (21) is also connected, via a USB data line, to an external device component at least comprising a camera (40).The system enables a user to flexibly judge and master the changing situation of the external environment during the process of watching, and at the same time, reduces the failure rate of transmitting data over a plurality of cables, thus making the head-mounted display product simpler and more aesthetic, and making the user experience better.
G09G 3/00 - Dispositions ou circuits de commande présentant un intérêt uniquement pour l'affichage utilisant des moyens de visualisation autres que les tubes à rayons cathodiques
23.
Eyepiece optical system with large field-of-view angle and head-mounted display apparatus
Disclosed is an eyepiece optical system with a large field-of-view angle, and a head-mounted display apparatus. The eyepiece optical system comprises a first lens group (G1) and a second lens group (G2) which are arranged coaxially and successively along an optical axis from a human eye to an image source and meet a certain focal length relationship. A distance (D12) between the first lens (L1) and the second lens (L2), a focal length relationship of lenses within the second lens group (G2) and the material properties of various lenses meet a certain relationship. The eyepiece optical system has the advantages of large aperture, large field-of-view, high resolution, low distortion, and small size, etc., and is suitable for a head-mounted display and similar apparatuses.
An eyepiece optical system for a near-eye display, and a head-mounted display device. The eyepiece optical system comprises a first lens (L1), a reflection unit (P), a second lens (L2), and a third lens group (G3); the second lens and the third lens group have the same optical axis which is perpendicular to a micro image display (I); after the optical axis of the second lens and the third lens group is reflected by the reflection unit, said optical axis is identical to the optical axis of the first lens; the third lens group at least comprises a third lens (L3); the second lens and the third lens have aspheric optical profiles, and the first lens is the only lens disposed between the reflection unit and the observing side of human eye; the third lens group further comprises a fourth lens (L4) proximate to the micro image display. The present eyepiece optical system is compact in structure, small in size, and high in optical resolution, and can enable optimal visual experience for a head-mounted display device.
An eyepiece optical system for a near-eye display, and a head-mounted display device. The eyepiece optical system comprises a first lens (L1), a reflection unit (P), a second lens (L2), and a third lens group (G3); the second lens (L2) and the third lens group (G3) have the same optical axis; after the optical axis of the second lens (L2) and the third lens group (G3) is reflected by the reflection unit (P), said optical axis is identical to the optical axis of the first lens (L1); the third lens group (G3) at least comprises a third lens (L3); the first lens (L1) is the only lens disposed between the reflection unit (P) and the observing side of human eye; the optical surface (1) of the first lens (L1) proximate to the observing side of human eye is convex toward the observing side of human eye; the optical surface (6) of the second lens (L2) proximate to the micro image display (I) is concave toward the micro image display (I); the third lens (L3) is a biconvex lens; the third lens group (G3) further comprises a fourth lens (L4) proximate to the micro image display (I). The present eyepiece optical system is compact in structure and large in exit pupil diameter, and can enable optimal visual experience for a head-mounted display device.
An eyepiece optical system for a near-eye display, and a head-mounted display device. The eyepiece optical system comprises a first lens (L1), a reflection unit (P), a second lens (L2), and a third lens group (G3); the second lens and the third lens group have the same optical axis which is perpendicular to a micro image display (I); after the optical axis of the second lens and the third lens group is reflected by the reflection unit, said optical axis is identical to the optical axis of the first lens; the third lens group at least comprises a third lens (L3); the second lens and the third lens have aspheric optical profiles, and the first lens is the only lens disposed between the reflection unit and the observing side of human eye; the effective focal length of the first lens, f11, the effective focal length of the second lens, f21, the effective focal length of the third lens group, f3, and the effective focal length of the eyepiece optical system, fw, satisfy the relations 0.87 < f11/fw <3.8, f21/fw > 0.48, and f3/fw < -0.29. The present eyepiece optical system is compact in structure, small in size, and high in optical resolution, and can enable optimal visual experience for a head-mounted display device.
An eyepiece optical system for a near-eye display, and a head-mounted display device. The eyepiece optical system comprises a first lens (L1), a reflection unit (P), a second lens (L2), and a third lens group (G3); the second lens and the third lens group have the same optical axis which is perpendicular to a micro image display (I); after the optical axis of the second lens and the third lens group is reflected by the reflection unit, said optical axis is identical to the optical axis of the first lens; the third lens group at least comprises a third lens (L3); the second lens and the third lens have aspheric optical profiles; the first lens is the only lens disposed between the reflection unit and the observing side of human eye; the optical surface (1) of the first lens proximate to the observing side of human eye is convex toward the observing side of human eye; the optical surface (6) of the second lens proximate to the micro image display is concave toward the micro image display; the third lens is a biconvex lens. The present eyepiece optical system is compact in structure, small in size, and high in optical resolution, and can enable optimal visual experience for a head-mounted display device.
The invention relates to a head-mounted display, and a method and device for displaying a binocular 3D video thereof. The method for displaying a binocular 3D video comprises the following steps: when acquiring a visual degree adjustment signal or an interpupillary distance adjustment signal, displaying a visual degree or interpupillary distance adjustment interface and performing visual degree adjustment or interpupillary distance adjustment; reading video data to be displayed; generating a standard time sequence signal corresponding to the resolution of the video data, and performing non-linear smoothing processing; determining whether the video data is 3D video data or 2D video data; dividing a 3D video data frame, subjected to the non-linear smoothing processing, into two parts; and respectively amplifying the two parts of divided 3D video data frames, and respectively sending the two parts of amplified 3D video data frames to two display screens for displaying. By means of the method, binocular visual degree and interpupillary distance adjustment of a binocular optical module of a head-mounted display and binocular 3D video displaying can be completed rapidly and conveniently, and thus, users having different visual degrees and interpupillary distances can obtain a perfect viewing effect.
A head-mounted display, comprising a main body frame (10). A left display screen and a right display screen, as well as a left ocular lens and a right ocular lens which are provided corresponding to the left display screen and the right display screen are provided on the main body frame (10). A diopter and interpupillary distance adjustment mechanism is provided on the main body frame (10) for adjusting the distance between the display screen and the ocular lenses which are at one side and for adjusting the distance between the two ocular lenses. The diopter and interpupillary distance adjustment mechanism comprises a drive element and a rotary knob element. The diopter and interpupillary distance adjustment mechanism respectively realize the diopter and interpupillary distance adjustments of the head-mounted display by means of the rotation and sliding operations of the same rotary knob element. The diopter of the head-mounted display can be adjusted by rotating the rotary knob element, and the interpupillary distance of the head-mounted display can be adjusted by sliding the rotary knob element.
An eyepiece optical system with a large field-of-view angle, and a head-mounted display apparatus. The eyepiece optical system with a large field-of-view angle comprises a first lens group (G1) and a second lens group (G2) which are arranged coaxially and successively along an optical axis from a human eye to an image source and meet a certain focal length relationship. The first lens group has a negative value of an effective focal length (f1) and is constituted by a first lens (L1) close to the human eye and a second lens (L2) away from the human eye, and the second lens group (G2) has a positive value of an effective focal length (f2) and is constituted by one or two lenses, wherein the first lens (L1) is in a double-convex shape, and the second lens (L2) is concave in the direction of the human eye close to an optical surface of the human eye and is in an aspheric face shape. At the same time, a distance (D12) between the first lens (L1) and the second lens (L2), a focal length relationship of lenses within the second lens group (G2) and the material properties of various lenses meet a certain relationship. The eyepiece optical system with a large field-of-view angle has the advantages of large aperture, large field-of-view, high resolution, low distortion, and small size, etc., and is suitable for a head-mounted display and similar apparatuses.
