The invention relates to a device for aerial and dematerialised projection of a digital image (31), comprising: a housing (10) in which an opening (15) is provided, the opening forming a window for observing an actual and dematerialised aerial image of the digital image (31); an optical system comprising at least one optical component of the converging spherical mirror (24) type, the optical system being arranged in the housing (10) such that it can orient at least part of the incident light received towards the observation window (15); a screen (23) for displaying the digital image (31) to be projected, the screen being accommodated in the housing (10) opposite the spherical mirror (24) at a distance equal to twice the focal length of the spherical mirror; a prismatic grating which has 2 or 3 facets, is oriented towards the converging mirror (24) and is arranged in the vicinity of the conjugate plane of the autostereoscopic screen, so as to be able to deflect the light rays it receives from the converging mirror (24) in multiple distinct directions along which distinct observers can be positioned in order to perceive the projected autostereoscopic image.
G02B 30/27 - Systèmes ou appareils optiques pour produire des effets tridimensionnels [3D], p. ex. des effets stéréoscopiques en fournissant des première et seconde images de parallaxe à chacun des yeux gauche et droit d’un observateur du type autostéréoscopique comprenant des réseaux lenticulaires
H04N 13/305 - Reproducteurs d’images pour visionnement sans avoir recours à des lunettes spéciales, c.-à-d. utilisant des affichages autostéréoscopiques utilisant des lentilles lenticulaires, p. ex. dispositions de lentilles cylindriques
G02B 30/56 - Systèmes ou appareils optiques pour produire des effets tridimensionnels [3D], p. ex. des effets stéréoscopiques l’image étant construite à partir d'éléments d'image répartis sur un volume 3D, p. ex. des voxels en projetant une image aérienne ou flottante
The invention relates to a system for the dematerialised projection of an autostereoscopic image intended for an observer whose eyes are positioned within a predetermined three-dimensional space, referred to as an eye box, the system comprising: an optical device comprising at least one convergent optical component arranged with respect to the eye box so as to be able to direct the light rays it receives towards the eye box; and an autostereoscopic screen arranged with respect to the optical device such that the light rays that it emits can reach the convergent optical component, the autostereoscopic screen comprising a matrix of pixels and a lens array positioned on top of the matrix, the array having a pitch P determined from a known pitch P' of a screen intended to be observed in direct vision.
G02B 30/29 - Systèmes ou appareils optiques pour produire des effets tridimensionnels [3D], p. ex. des effets stéréoscopiques en fournissant des première et seconde images de parallaxe à chacun des yeux gauche et droit d’un observateur du type autostéréoscopique comprenant des réseaux lenticulaires caractérisés par la géométrie du réseau lenticulaire, p. ex. réseaux en biais, réseaux irréguliers ou réseaux de formes ou de tailles variables
09 - Appareils et instruments scientifiques et électriques
10 - Appareils et instruments médicaux
42 - Services scientifiques, technologiques et industriels, recherche et conception
Produits et services
Scientific (other than for medical use), optical,
photographic, cinematographic, checking (supervision) and
teaching apparatus and instruments; simulators; sound
recording, transmission or reproduction apparatus; apparatus
for processing, recording, transmitting and reproducing
images in particular 3-dimensional images; apparatus for
displaying and printing images in particular 3-dimensional
images; prerecorded magnetic data carriers; prerecorded
compact disks; videograms, exposed photographic or
cinematographic films, magnetic tapes, slides; software
(recorded computer programs); image processing software
particularly 3-dimensional; data processing devices;
computers; video telephones; optical devices for forward
reflection of an image or object, enabling non-contact
handling; three-dimensional optical reflection devices
enabling an immersive experience; stereoscopic and
autostereoscopic apparatus; stereoscopic and
autostereoscopic equipment for 3D display; head-mounted
stereoscopic and autostereoscopic displays; head-mounted
stereoscopic and autostereoscopic 3D displays; imaging
apparatus using stereoscopy not for medical use; imaging
apparatus for scientific use; photographic and audiovisual
devices; electronic imaging devices; head-up display
apparatus and devices; head-up display apparatus and devices
for vehicles; virtual reality, augmented reality, mixed
reality or extended reality computer apparatus and devices;
screens; video screens; video projection screens;
interactive graphic screens; optical display screens;
instruments for optical communications; optical filters for
screens; optical position sensors; digital optical
transmission apparatus; three-dimensional viewers;
three-dimensional picture manipulators; 3D scanners;
downloadable computer software and computer software
applications for creating, editing and processing images and
videos; downloadable computer software and computer software
applications for creating, editing and processing content
and information that can be displayed in virtual reality,
augmented reality, mixed reality or extended reality;
downloadable computer software and computer software
applications for compressing, broadcasting and/or
transmitting 3D data and/or 3D content in real time;
downloadable computer software and computer software
applications for processing data and images for creating
three-dimensional models; virtual-reality game software;
virtual reality software for education; virtual reality
software for medical instruction. Optical devices, apparatus and instruments for medical,
surgical or therapeutic use; medical devices for visual
assistance; optical devices for forward reflection of an
image or object, enabling non-contact handling intended for
medical use; three-dimensional optical reflection devices
enabling an immersive experience, intended for medical,
surgical or therapeutic use; diagnostic aids for medical
use; apparatus for medical rehabilitation; medical and
surgical imaging apparatus; optical imaging apparatus for
medical and surgical purposes; image analysis apparatus for
medical and surgical use; stereoscopic and autostereoscopic
apparatus and devices for medical and surgical use. Computer programming; designing software, particularly for
image processing, 3-dimensional calculation, analysis and
simulation using the technique of viewing relief images
without spectacles; designing and creating
computer-generated images; image processing particularly in
3 dimensions by computer; rental, maintenance and updating
of computer software; database design; services for
retouching photographs, filming on films or videotapes,
particularly according to the technique of viewing relief
images without spectacles; design of three-dimensional
visual display units; design of optical and micro-optical
components; computer graphics for video projection purposes;
technical data analysis services; computer programming
services for data analysis; electronic storage services for
archiving databases, images and other electronic data;
preparation of design parameters for visual images; research
services in the field of optics; research and development
services in the field of stereoscopic and autostereoscopic
technology; research and development services for
stereoscopic and autostereoscopic apparatus and equipment,
image processing and 3D display; research and development
services for head-up display apparatus and devices; research
and development services for virtual reality, augmented
reality, mixed reality or extended reality apparatus and
devices; research and development services in the field of
virtual, augmented, mixed or extended reality; research and
development services for 3D image processing software;
research and development services in the field of
information technology; designing and developing
downloadable computer software and computer software
applications for creating, editing and processing images and
videos; designing and developing downloadable computer
software and computer software applications for creating,
editing and processing content and information that can be
displayed in virtual reality, augmented reality, mixed
reality or extended reality; designing and developing
downloadable computer software and software applications for
compressing, broadcasting and/or transmitting 3D data and/or
3D content in real time; designing and developing
downloadable computer software and computer software
applications for processing data and images for creating
three-dimensional models; consultancy, advisory and
information services in relation to information technology;
advisory services in audiovisual technology; providing
online non-downloadable virtual reality, augmented reality,
mixed reality or extended reality software, viewing,
manipulation, immersion and integration of audio, video,
text, binary, still images, multimedia and graphic files;
providing online non-downloadable operating system software
for computer hardware and computer peripherals; computer
services, namely, interactive hosting services enabling
users to publish and share content and images; providing
software as a service (SaaS) services featuring software
that offers users the possibility to upload, exchange and
share content; computer services, namely, hosting online
websites enabling registered users of a community to
participate in discussions, obtain feedback from their
peers, form virtual communities and engage in social
networking services; computer services, namely, hosting
online websites for third parties for organizing and
conducting meetings, events and interactive discussions via
communication networks; hosting searchable databases and
indexes for providing virtual reality, augmented reality,
mixed reality or extended reality information, including
text, electronic documents, databases, graphics,
photographic images and audiovisual information, by means of
computer and communication networks; computer services in
the nature of hosting customized online web pages featuring
user-specified or defined information, personal profiles, as
well as virtual reality, augmented reality, mixed reality or
extended reality content and data; providing software as a
service (SaaS) services featuring non-downloadable
e-commerce software enabling users to perform e-commerce
transactions via global computer and communication networks.
4.
DEVICE FOR AERIAL AND DEMATERIALISED PROJECTION OF AN AUTOSTEREOSCOPIC IMAGE OR A SEQUENCE OF AUTOSTEREOSCOPIC IMAGES, IN PARTICULAR FOR USE IN MOTOR VEHICLES
The invention relates to a system for aerial and dematerialised projection of an autostereoscopic image to an observer, the system comprising: a housing (30) comprising an opaque upper wall (20) which extends in parallel with a plane, referred to as the horizon plane, and is provided with an opening; a front face mirror (10) which is inclined, for example at an angle of 45° with respect to the horizon plane passing through the opening, the mirror having a reflective surface which is oriented towards the observer; a concave mirror (14) which is arranged at the bottom of the front face mirror, faces the opening and is oriented in such a way that its concave and reflective surface is oriented towards the inclined mirror; a screen (16) for displaying an autostereoscopic image, which extends substantially perpendicularly to the horizon plane, the screen being arranged under the opaque upper wall at a distance from the middle of the image of the concave mirror formed by the inclined mirror that is equal to the radius of curvature of the concave mirror, the screen being equipped with a lenticular array, the pitch of which is determined so as to be able to compensate for its apparent modification after reflection by the concave mirror.
G02B 30/29 - Systèmes ou appareils optiques pour produire des effets tridimensionnels [3D], p. ex. des effets stéréoscopiques en fournissant des première et seconde images de parallaxe à chacun des yeux gauche et droit d’un observateur du type autostéréoscopique comprenant des réseaux lenticulaires caractérisés par la géométrie du réseau lenticulaire, p. ex. réseaux en biais, réseaux irréguliers ou réseaux de formes ou de tailles variables
H04N 13/305 - Reproducteurs d’images pour visionnement sans avoir recours à des lunettes spéciales, c.-à-d. utilisant des affichages autostéréoscopiques utilisant des lentilles lenticulaires, p. ex. dispositions de lentilles cylindriques
H04N 13/317 - Reproducteurs d’images pour visionnement sans avoir recours à des lunettes spéciales, c.-à-d. utilisant des affichages autostéréoscopiques la parallaxe provenant d’éléments optiques en biais
5.
Autostereoscopic screen, deemed to be of photographic quality
A screen for autostereoscopic display includes a panel of pixels arranged by rows and by columns, each pixel being composed of a plurality of P active sub-pixels of different colors, and an ordered array of cylindrical lenses inclined with respect to the columns of the screen by an angle equal to arctan (1/12). The array has a pitch of N/2 pixels in width so as to be able to differentiate the even and odd lenses of the array by distinct distributions of the active zones and black zones of the pixels arranged under the lenses, and to decode each of the M×N viewpoints distributed within N vertical blocks 6 pixels in height from M viewpoints every 12 rows if the sub-pixels of the panel are horizontal, and distributed within P×N vertical blocks 6/P sub-pixels in height, from M/P viewpoints every 12/P rows if the sub-pixels of the panel are vertical.
G02B 30/29 - Systèmes ou appareils optiques pour produire des effets tridimensionnels [3D], p. ex. des effets stéréoscopiques en fournissant des première et seconde images de parallaxe à chacun des yeux gauche et droit d’un observateur du type autostéréoscopique comprenant des réseaux lenticulaires caractérisés par la géométrie du réseau lenticulaire, p. ex. réseaux en biais, réseaux irréguliers ou réseaux de formes ou de tailles variables
H04N 13/305 - Reproducteurs d’images pour visionnement sans avoir recours à des lunettes spéciales, c.-à-d. utilisant des affichages autostéréoscopiques utilisant des lentilles lenticulaires, p. ex. dispositions de lentilles cylindriques
The invention relates to a photographic-quality autostereoscopic display screen (10) for displaying an autostereoscopic image with MxN viewpoints, N being an odd integer and M being an integer chosen from 1, 2, 3 and 6, the screen comprising a panel of pixels (20) which are arranged in rows and columns, each pixel (26) consisting of a plurality of P active sub-pixels of different colours and an ordered array of cylindrical lenses (30) which are inclined with respect to the columns of the screen by an angle equal to arctan(1/12), the array having a pitch with a width of N/2 pixels in order to be able to differentiate the even and odd lenses (30) of the array by discrete distributions of the active (26) and black (24) zones of the pixels which are arranged under the lenses and in order to decode each of the MxN viewpoints which are distributed within N vertical blocks at a height of 6 pixels, derived from M viewpoints every 12 lines if the sub-pixels of the panel are horizontal, and which are distributed within PxN vertical blocks at a height of 6/P sub-pixels, derived from M/P viewpoints every 12/P lines if the sub-pixels of the panel are vertical.
G02B 30/27 - Systèmes ou appareils optiques pour produire des effets tridimensionnels [3D], p. ex. des effets stéréoscopiques en fournissant des première et seconde images de parallaxe à chacun des yeux gauche et droit d’un observateur du type autostéréoscopique comprenant des réseaux lenticulaires
G02B 30/29 - Systèmes ou appareils optiques pour produire des effets tridimensionnels [3D], p. ex. des effets stéréoscopiques en fournissant des première et seconde images de parallaxe à chacun des yeux gauche et droit d’un observateur du type autostéréoscopique comprenant des réseaux lenticulaires caractérisés par la géométrie du réseau lenticulaire, p. ex. réseaux en biais, réseaux irréguliers ou réseaux de formes ou de tailles variables
G02B 30/32 - Systèmes ou appareils optiques pour produire des effets tridimensionnels [3D], p. ex. des effets stéréoscopiques en fournissant des première et seconde images de parallaxe à chacun des yeux gauche et droit d’un observateur du type autostéréoscopique comprenant des barrières de parallaxe caractérisés par la géométrie de barrières de parallaxe, p. ex. barrières échelonnées, réseaux de parallaxes en biais ou réseaux de parallaxes de formes ou de tailles variables
H04N 13/305 - Reproducteurs d’images pour visionnement sans avoir recours à des lunettes spéciales, c.-à-d. utilisant des affichages autostéréoscopiques utilisant des lentilles lenticulaires, p. ex. dispositions de lentilles cylindriques
H04N 13/317 - Reproducteurs d’images pour visionnement sans avoir recours à des lunettes spéciales, c.-à-d. utilisant des affichages autostéréoscopiques la parallaxe provenant d’éléments optiques en biais
09 - Appareils et instruments scientifiques et électriques
10 - Appareils et instruments médicaux
42 - Services scientifiques, technologiques et industriels, recherche et conception
Produits et services
Scientific, other than medical use, optical, photographic, cinematographic, checking in the nature of supervision and teaching apparatus and instruments, namely, optical reflectors, cameras, and teaching robots; vehicle drive training simulators; sound recording, transmission and reproduction apparatus; apparatus for processing, recording, transmitting and reproducing images in particular three dimensional images; apparatus for displaying and printing images in particular three dimensional images, namely, virtual reality controllers and computer monitors; prerecorded magnetic data carriers featuring immersive three-dimensional visualizations of universes and environments rendered in the form of computer graphics, film, and photographs; prerecorded compact disks featuring immersive three-dimensional visualizations of universes and environments rendered in the form of computer graphics, film, and photographs; videograms being audiovisual recordings featuring immersive three-dimensional visualizations of universes and environments rendered in the form of computer graphics, film, and photographs; exposed photographic and cinematographic films; blank magnetic computer tapes; photographic slides; recorded computer software for processing and displaying immersive three-dimensional visualizations of universes and environments rendered in the form of computer graphics, film, and photographs; downloadable image processing software particularly for processing three dimensional images; data processing devices in the nature of data processors; computers; video telephones; optical devices for forward reflection of an image or object, enabling non-contact handling, namely, wireless video projectors; three-dimensional optical reflection devices enabling an immersive experience, namely, video projectors and optical reflectors; stereoscopic and autostereoscopic apparatus, namely, three dimensional video display screens, heads-up displays in the nature of transparent electronic displays for use in projecting three-dimensional visualizations of universes and environments rendered in the form of computer graphics, film, and photographs, and augmented reality monitors; stereoscopic and autostereoscopic equipment for 3D display, namely, three dimensional video display screens, heads-up displays in the nature of transparent electronic displays for use in projecting three-dimensional visualizations of universes and environments rendered in the form of computer graphics, film, and photographs, and augmented reality monitors; head-mounted stereoscopic and autostereoscopic displays, namely, head-mounted cameras and head-mounted video displays; head-mounted stereoscopic and autostereoscopic 3D displays, namely, head-mounted cameras and head-mounted video displays; imaging apparatus using stereoscopy not for medical use, namely, video display screens, televisions and computer monitors; imaging apparatus for scientific use, namely, video display screens, televisions and computer monitors; photographic and audiovisual devices, namely, cameras, computer monitors and virtual reality goggles; electronic imaging devices, namely, 3D scanners and thermal imaging cameras; head-up display apparatus and devices for vehicles, namely, transparent electronic displays for providing users with navigational and operational information; virtual reality, augmented reality, mixed reality and extended reality computer apparatus and devices, namely, virtual reality controllers; projection screens; video screens; video projection screens; interactive graphic video screens; optical display screens being video screens; instruments for optical communications, namely, smartphones, video phones and virtual reality goggles; optical filters for screens; optical position sensors; digital optical transmission apparatus, namely, smartphones, video phones and virtual reality goggles; three- dimensional viewers, namely, virtual reality goggles; three-dimensional picture manipulators, namely, virtual reality goggles; 3D scanners; downloadable computer software and computer software applications for creating, editing and processing images and videos; downloadable computer software and computer software applications for creating, editing and processing content and information that can be displayed in virtual reality, augmented reality, mixed reality and extended reality; downloadable computer software and computer software applications for compressing, broadcasting and transmitting 3D data and 3D content in real time; downloadable computer software and computer software applications for processing data and images for creating three-dimensional models; downloadable virtual-reality game software; downloadable virtual reality software for education featuring instruction in science; downloadable virtual reality software for medical instruction; none of the aforesaid goods being for use in relation to ultrasound-based medical imaging, ultrasound-based diagnostic, and ultrasound-based therapeutic applications Optical devices, apparatus and instruments for medical, surgical or therapeutic use, namely, medical endoscopes; medical devices for visual assistance, namely, microscopes for surgical operations, and medical endoscopes; optical devices for forward reflection of an image or object, enabling non-contact handling intended for medical use, namely, microscopes for surgical operations, and medical endoscopes; three-dimensional optical reflection devices enabling an immersive experience, intended for medical, surgical or therapeutic use, namely, 3D human body scanners; diagnostic aids for medical use, namely, diagnostic apparatus for the detection of cancer; apparatus for medical rehabilitation, namely, body rehabilitation apparatus for medical purposes; medical and surgical imaging apparatus, namely, 3D human body scanners; optical imaging apparatus for medical and surgical purposes, namely, 3D human body scanners; image analysis apparatus for medical and surgical use, namely, 3D human body scanners; stereoscopic and autostereoscopic apparatus and devices for medical and surgical use, namely, 3D human body scanners and microscopes for surgical operations; none of the aforesaid goods being for use in relation to ultrasound-based medical imaging, ultrasound-based diagnostic, and ultrasound-based therapeutic applications Computer programming; computer software design, particularly software for image processing, three dimensional calculation, analysis and simulation using the technique of viewing relief images without spectacles; graphic design, namely, designing and creating computer-generated images; graphic design, namely, image processing particularly in three dimensions by computer; maintenance and updating of computer software; rental of computer software for processing and displaying immersive three-dimensional visualizations of universes and environments rendered in the form of computer graphics, film, and photographs; database design; design of three-dimensional visual display units being computer hardware design; design of optical and micro-optical components; computer graphics services, namely, computer graphics for video projection purposes; technical data analysis services, namely, computer security threat analysis for protecting data; computer programming services for data analysis; electronic storage services for archiving databases, images and other electronic data; graphic design, namely, preparation of design parameters for visual images; scientific research services in the field of optics; scientific research and development services in the field of stereoscopic and autostereoscopic technology; product research and development services for stereoscopic and autostereoscopic apparatus and equipment, image processing and 3D display; product research and development services for head-up display apparatus and devices; product research and development services for virtual reality, augmented reality, mixed reality and extended reality apparatus and devices; scientific research and development services in the field of virtual, augmented, mixed or extended reality; product research and development services for 3D image processing software; scientific research and development services in the field of information technology; designing and developing downloadable computer software and computer software applications for creating, editing and processing images and videos; designing and developing downloadable computer software and computer software applications for creating, editing and processing content and information that can be displayed in virtual reality, augmented reality, mixed reality and extended reality; designing and developing downloadable computer software and software applications for compressing, broadcasting and transmitting 3D data and 3D content in real time; designing and developing downloadable computer software and computer software applications for processing data and images for creating three-dimensional models; consultancy, advisory and information services in relation to information technology architecture and infrastructure; technology advisory services in audiovisual technology; providing online non-downloadable virtual reality, augmented reality, mixed reality and extended reality software for viewing, manipulation, immersion and integration of audio, video, text, binary, still images, multimedia and graphic files; providing online non- downloadable operating system software for computer hardware and computer peripherals; computer services, namely, interactive website hosting services enabling users to publish and share content and images; software as a service (SaaS) services featuring software that offers users the ability to upload, exchange and share content; computer services, namely, hosting online websites enabling registered users of a community to participate in discussions, obtain feedback from their peers, form virtual communities and engage in social networking services; computer services, namely, hosting online websites for third parties for organizing and conducting meetings, events and interactive discussions via communication networks; hosting servers with searchable databases and indexes for providing virtual reality, augmented reality, mixed reality and extended reality information, including text, electronic documents, databases, graphics, photographic images and audiovisual information, by means of computer and communication networks; computer services in the nature of hosting customized online web pages featuring user-specified and defined information, personal profiles, as well as virtual reality, augmented reality, mixed reality and extended reality content and data; software as a service (SaaS) services featuring non- downloadable e-commerce software enabling users to perform e-commerce transactions via global computer and communication networks; none of the aforesaid services being for use in relation to ultrasound-based medical imaging, ultrasound-based diagnostic, and ultrasound-based therapeutic applications
8.
AUTOSTEREOSCOPIC DISPLAY SCREEN HAVING P VIEWPOINTS FOR DISPLAYING AN AUTOSTEREOSCOPIC IMAGE HAVING I VIEWPOINTS AND DISPLAY DEVICE COMPRISING SUCH A SCREEN
The invention relates to a display screen having P screen viewpoints, P being an integer greater than or equal to 6, for displaying an autostereoscopic image having I image viewpoints, I being an integer greater than or equal to 2, less than or equal to P/3, the screen comprising: an array (10) of pixels arranged in lines and in columns; an optical network configured so that the P viewpoints of the screen can be successively perceived in lobes, each covering I times the average inter-pupillary distance of an observer (8), and so that the screen viewpoints of each pair of viewpoints visible to the observer are separated by at least T buffer viewpoints, T being greater than or equal to 2, such that it is possible to successively display, for each lobe, each of the I image viewpoints, each repeated P/I times, and for each viewpoint visible to the observer to be surrounded by at least 2 buffer viewpoints each displaying said same image viewpoint.
G02B 27/00 - Systèmes ou appareils optiques non prévus dans aucun des groupes ,
G02B 30/29 - Systèmes ou appareils optiques pour produire des effets tridimensionnels [3D], p. ex. des effets stéréoscopiques en fournissant des première et seconde images de parallaxe à chacun des yeux gauche et droit d’un observateur du type autostéréoscopique comprenant des réseaux lenticulaires caractérisés par la géométrie du réseau lenticulaire, p. ex. réseaux en biais, réseaux irréguliers ou réseaux de formes ou de tailles variables
H04N 13/305 - Reproducteurs d’images pour visionnement sans avoir recours à des lunettes spéciales, c.-à-d. utilisant des affichages autostéréoscopiques utilisant des lentilles lenticulaires, p. ex. dispositions de lentilles cylindriques
H04N 13/317 - Reproducteurs d’images pour visionnement sans avoir recours à des lunettes spéciales, c.-à-d. utilisant des affichages autostéréoscopiques la parallaxe provenant d’éléments optiques en biais
A display screen with P screen points-of-view, P being an integer greater than or equal to 6, displays an autostereoscopic image at I image points-of-view, I being an integer greater than or equal to 2, less than or equal to P/3. The screen includes a matrix (10) of pixels arranged by rows and by columns; an optical array configured so that the P points-of-view of the screen can be perceived successively in lobes, each covering I times the average inter-pupillary distance of an observer (8), so that the screen points-of-view of each pair of points-of-view visible to the observer are separated by at least T buffer points-of-view, T being greater than or equal to 2, so that it is possible to display successively for each lobe, each of the I image points-of-view, each repeated P/I times, and that each point-of-view visible to the observer can be surrounded by at least 2 buffer points-of-view each displaying this same image point-of-view.
H04N 13/305 - Reproducteurs d’images pour visionnement sans avoir recours à des lunettes spéciales, c.-à-d. utilisant des affichages autostéréoscopiques utilisant des lentilles lenticulaires, p. ex. dispositions de lentilles cylindriques
H04N 13/31 - Reproducteurs d’images pour visionnement sans avoir recours à des lunettes spéciales, c.-à-d. utilisant des affichages autostéréoscopiques utilisant des barrières de parallaxe
METHOD FOR MANUFACTURING AN AUTOSTEREOSCOPIC SCREEN AND METHOD FOR CONVERTING FROM A SCREEN FOR DISPLAYING A TWO-DIMENSIONAL IMAGE TO A SCREEN FOR DISPLAYING AN AUTOSTEREOSCOPIC IMAGE
The invention relates to a method for manufacturing a screen for displaying an autostereoscopic image, comprising the steps of: selecting (E10) a block of pixels which are arranged in rows and columns, each pixel being composed of a plurality of sub-pixels of different colours; selecting (E11) a polarisation film; manufacturing (E12, E13, E14) a lenticular screen directly on the polarisation film in order to form a composite film, called an optical film; bonding (E15) the optical film to the block of pixels. The invention also relates to a method for converting from a screen for displaying a two-dimensional image to a screen for autostereoscopic display.
G02B 30/27 - Systèmes ou appareils optiques pour produire des effets tridimensionnels [3D], p. ex. des effets stéréoscopiques en fournissant des première et seconde images de parallaxe à chacun des yeux gauche et droit d’un observateur du type autostéréoscopique comprenant des réseaux lenticulaires
G02F 1/1335 - Association structurelle de cellules avec des dispositifs optiques, p. ex. des polariseurs ou des réflecteurs
H04N 13/305 - Reproducteurs d’images pour visionnement sans avoir recours à des lunettes spéciales, c.-à-d. utilisant des affichages autostéréoscopiques utilisant des lentilles lenticulaires, p. ex. dispositions de lentilles cylindriques
11.
SYSTEM AND METHOD FOR DISPLAYING AN AUTO-STEREOSCOPIC IMAGE WITH N VIEW POINTS ON A MOBILE DISPLAY SCREEN
The invention relates to a system and a method for displaying, on a mobile display screen (10) able to rotate about a real or virtual axis that is perpendicular to the display plane of the screen, an auto-stereoscopic image with N view points made up of N elementary images interleaved according to a pre-defined mixing scheme, said screen comprising a pixel matrix arranged in lines and columns, an optical component (11) being mounted above the screen and having a main axis inclined at an angle αo in relation to the direction of the columns, and configured to allow the projection, when the screen is oriented in an initial viewing direction (20), of predetermined pairs of view points towards the right and left eye, respectively, of a viewer, with the method comprising the following steps: pivoting the screen (10); detecting the pivot angle α of the screen (10); rotating the N elementary images by an angle inverse to the detected pivot angle α; interleaving the pivoted N elementary images according to the mixing scheme of the N elementary images in the initial direction, and displaying said N pivoted elementary images on the display screen.
G02B 27/22 - Autres systèmes optiques; Autres appareils optiques pour produire des effets stéréoscopiques ou autres effets de relief
G02B 27/00 - Systèmes ou appareils optiques non prévus dans aucun des groupes ,
H04N 13/305 - Reproducteurs d’images pour visionnement sans avoir recours à des lunettes spéciales, c.-à-d. utilisant des affichages autostéréoscopiques utilisant des lentilles lenticulaires, p. ex. dispositions de lentilles cylindriques
12.
System and method for displaying an autostereoscopic image with N points of view on a mobile display screen
A method for displaying an N-view autostereoscopic image formed of N elementary images interlaced according to a predetermined mixing scheme on a mobile display screen includes pivoting the screen; detecting a pivot angle α of the screen; rotating the N elementary images by an inverse angle of the detected pivot angle α, interlacing the N elementary images rotated according to the mixing scheme of the N elementary images in an initial direction, and displaying the N elementary images rotated on the display screen.
G06F 3/048 - Techniques d’interaction fondées sur les interfaces utilisateur graphiques [GUI]
G02B 30/26 - Systèmes ou appareils optiques pour produire des effets tridimensionnels [3D], p. ex. des effets stéréoscopiques en fournissant des première et seconde images de parallaxe à chacun des yeux gauche et droit d’un observateur du type autostéréoscopique
H04N 13/305 - Reproducteurs d’images pour visionnement sans avoir recours à des lunettes spéciales, c.-à-d. utilisant des affichages autostéréoscopiques utilisant des lentilles lenticulaires, p. ex. dispositions de lentilles cylindriques
G06F 3/0481 - Techniques d’interaction fondées sur les interfaces utilisateur graphiques [GUI] fondées sur des propriétés spécifiques de l’objet d’interaction affiché ou sur un environnement basé sur les métaphores, p. ex. interaction avec des éléments du bureau telles les fenêtres ou les icônes, ou avec l’aide d’un curseur changeant de comportement ou d’aspect
G06F 3/0484 - Techniques d’interaction fondées sur les interfaces utilisateur graphiques [GUI] pour la commande de fonctions ou d’opérations spécifiques, p. ex. sélection ou transformation d’un objet, d’une image ou d’un élément de texte affiché, détermination d’une valeur de paramètre ou sélection d’une plage de valeurs
G06F 3/0488 - Techniques d’interaction fondées sur les interfaces utilisateur graphiques [GUI] utilisant des caractéristiques spécifiques fournies par le périphérique d’entrée, p. ex. des fonctions commandées par la rotation d’une souris à deux capteurs, ou par la nature du périphérique d’entrée, p. ex. des gestes en fonction de la pression exercée enregistrée par une tablette numérique utilisant un écran tactile ou une tablette numérique, p. ex. entrée de commandes par des tracés gestuels
G06F 3/01 - Dispositions d'entrée ou dispositions d'entrée et de sortie combinées pour l'interaction entre l'utilisateur et le calculateur
G02B 30/30 - Systèmes ou appareils optiques pour produire des effets tridimensionnels [3D], p. ex. des effets stéréoscopiques en fournissant des première et seconde images de parallaxe à chacun des yeux gauche et droit d’un observateur du type autostéréoscopique comprenant des barrières de parallaxe
H04N 13/31 - Reproducteurs d’images pour visionnement sans avoir recours à des lunettes spéciales, c.-à-d. utilisant des affichages autostéréoscopiques utilisant des barrières de parallaxe
G02B 30/27 - Systèmes ou appareils optiques pour produire des effets tridimensionnels [3D], p. ex. des effets stéréoscopiques en fournissant des première et seconde images de parallaxe à chacun des yeux gauche et droit d’un observateur du type autostéréoscopique comprenant des réseaux lenticulaires
13.
System and method for displaying a 2 point sight autostereoscopic image on an nos point self-esistical display screen and processing display control on such display screen
The invention relates to displaying an autostereoscopic image of two viewpoints, each formed of strips of subpixels, called image strips, on an autostereoscopic display screen configured to display N viewpoints, N being greater than or equal to 3. The method includes detecting the position of a privileged observer relative to the screen; determining, for each eye of the observer, strips of the screen visible by the eye at the detected position; determining, for each eye of the observer, strips that are not visible by either of the two eyes at the position; an assignment to the subpixels, of the visible strips of the screen for each eye, of subpixels corresponding to the image strip of the corresponding eye; an assignment to the subpixels, of the non-visible strips of the screen, of subpixels corresponding to safety viewpoints constructed from subpixels of the image strips.
H04N 13/305 - Reproducteurs d’images pour visionnement sans avoir recours à des lunettes spéciales, c.-à-d. utilisant des affichages autostéréoscopiques utilisant des lentilles lenticulaires, p. ex. dispositions de lentilles cylindriques
H04N 13/31 - Reproducteurs d’images pour visionnement sans avoir recours à des lunettes spéciales, c.-à-d. utilisant des affichages autostéréoscopiques utilisant des barrières de parallaxe
G02B 27/00 - Systèmes ou appareils optiques non prévus dans aucun des groupes ,
G02B 30/27 - Systèmes ou appareils optiques pour produire des effets tridimensionnels [3D], p. ex. des effets stéréoscopiques en fournissant des première et seconde images de parallaxe à chacun des yeux gauche et droit d’un observateur du type autostéréoscopique comprenant des réseaux lenticulaires
H04N 13/279 - Générateurs de signaux d’images à partir de modèles 3D d’objets, p. ex. des signaux d’images stéréoscopiques générés par ordinateur les positions des points de vue virtuels étant choisies par les spectateurs ou déterminées par suivi
14.
SYSTEM AND METHOD FOR DISPLAYING A 2-VIEWPOINT AUTOSTEREOSCOPIC IMAGE ON AN N-VIEWPOINT AUTOSTEREOSCOPIC DISPLAY SCREEN AND METHOD FOR MONITORING THE DISPLAY ON SUCH A DISPLAY SCREEN
The invention relates to a system and method for displaying an autostereoscopic image comprising 2 viewpoints each formed from a plurality of strips of sub-pixels, called image strips, on an autostereoscopic display screen configured to display N viewpoints, N being higher than or equal to 3, said method comprising a step of detecting the position of a privileged observer with respect to the screen; a step of determining for each eye of the observer the strips of the screen that can be seen by this eye in the detected position; a step of determining for each eye of the observer the strips that cannot be seen by either of the two eyes in this position; attributing, to said sub-pixels of the strips of the screen that can be seen, for each eye, sub-pixels corresponding to the image strip of the corresponding eye; attributing, to said sub-pixels of the strips of the screen that cannot be seen, sub-pixels corresponding to safety viewpoints constructed from the sub-pixels of the image strips.
G02B 27/22 - Autres systèmes optiques; Autres appareils optiques pour produire des effets stéréoscopiques ou autres effets de relief
G02B 27/00 - Systèmes ou appareils optiques non prévus dans aucun des groupes ,
H04N 13/279 - Générateurs de signaux d’images à partir de modèles 3D d’objets, p. ex. des signaux d’images stéréoscopiques générés par ordinateur les positions des points de vue virtuels étant choisies par les spectateurs ou déterminées par suivi
H04N 13/31 - Reproducteurs d’images pour visionnement sans avoir recours à des lunettes spéciales, c.-à-d. utilisant des affichages autostéréoscopiques utilisant des barrières de parallaxe
15.
DEVICE FOR THE DEMATERIALISED AERIAL PROJECTION OF A DIGITAL IMAGE OR A SEQUENCE OF DIGITAL IMAGES, IN PARTICULAR AN AUTO-STEREOSCOPIC IMAGE OR A SEQUENCE OF AUTO-STEREOSCOPIC IMAGES
The invention concerns a device for the dematerialised aerial projection of a digital image (31) comprising: a housing (10) in which an opening is provided forming a viewing window (15) for viewing a dematerialised aerial image (32) of said digital image (31); an optical system comprising at least one concave spherical mirror (24), said optical system being arranged in said housing (10) such that it can direct at least some of the received incident light towards said observation window (15) in order to form a dematerialised aerial image (32) of the digital image (31) there; a display screen (23) for displaying said digital image (31) to be projected, housed in said housing (10) facing said spherical mirror (24) at a distance equal to double the focal length of the spherical mirror, and separated from said optical axis (20) of said spherical mirror (24), perpendicularly to this optical axis (20), by a distance at least equal to half the height of the display screen (23).
A display screen (E), advantageously of the flat type, comprising a matrix of pixels (P) arranged in rows and columns perpendicular to said rows, each pixel comprising three or more sub-pixels (SP) of different colors (RGB), in alignment in the direction of said rows and presenting a shape that is elongate, the screen being characterized in that each said sub-pixel presents a main dimension forming a non-zero angle α relative to the direction of said columns. The screen may advantageously be fitted with an angle selection array for autostereoscopic display having main axes forming an angle α relative to the direction of said columns and at a pitch that enables M≥2 sub-pixels to be covered.
An advantageously flat display screen (E) comprising a matrix of pixels (P) arranged in lines and in columns perpendicular to said lines, each pixel comprising three or more sub-pixels (SP) of different colours (R, V, B) aligned in the direction of said lines and having an elongated shape, characterised in that each of said sub-pixels has a main dimension forming a non-zero angle relative to the direction of said columns. The screen can advantageously be provided with an angular selection network for autostereoscopic display of which the main axes form an angle a relative to the direction of said columns and of which the pitch makes it possible to cover M≥2 sub-pixels.
A method for autostereoscopic display of an autostereoscopic image with N points of view of rank between 1 and N—in an ascending order from right to left—on a screen having pixels arranged in rows and in columns, said pixels consisting of a plurality of subpixels of different colors (R, G, B), wherein said screen is arranged with its largest dimension in the vertical direction so that the subpixels forming each pixel are arranged in said vertical direction, and each column of the screen is filled with blocks of at least three subpixels corresponding to a set of subpixels of one of the points of view of the image to be displayed, separated by blocks of one or more subpixels that are off or darkened.
The invention relates to a method for autostereoscopic display of an autostereoscopic image having N viewpoints having a rank of 1 to N - in rising order from right to left - on a screen having pixels arranged in rows and columns, said pixels consisting of a plurality of sub-pixels of different colours (R, G, B), characterised in that said screen is arranged with the larger size thereof in the vertical direction such that the sub-pixels that make up each pixel are arranged in said vertical direction, and in that each column of the screen is filled with blocks of at least three sub-pixels corresponding to an assembly of sub-pixels of one of the viewpoints of the image to be displayed, separated by blocks of one or more switched off or darkened sub-pixels.
The invention relates to a method for displaying an autostereoscopic image with N viewpoints, on at least one part of a screen comprising display pixels arranged in rows and columns, each display pixel comprising a first, a second and a third subpixel aligned on a single row, and whereby each is a different colour (R, G, B), the display rows of the screen having the same arrangement of subpixels, a method wherein N is greater than 1 and is not equal to a multiple of 3, the three subpixels of each display pixel displaying three subpixels of the same colour component as pixels of the stereoscopic image coming from at least two pixels in the same row of at least two different viewpoints, characterised in that for at least one group of three successive rows of the screen comprising a first, a second and a third row, the second row is the same as the first row and for the third row, the spatial distribution of the three subpixels of the autostereoscopic image is shifted one step corresponding to one subpixel relative to the second row, using an elementary sequence AB, A designating a row being identical to the previous one and B designating the application to a row of the image, relative to the previous row, of a so-called shift of the subpixels of the autostereoscopic image by one step corresponding to one subpixel.
The invention relates to a method for displaying an autostereoscopic image having N viewpoints on at least a portion of a screen containing display pixels arranged in lines and columns, each display pixel containing a first, a second and a third color point aligned on the same line and each being of a different color (R.V.B.). The first display pixel of one line is constituted of color points of row 1 to 3, the second display pixel of one line is constituted of color points of row 4 to 6, the display pixel of row q of a line is constituted of color points of row (3q 2) to 3q. According to the inventive method, N is greater than 1 and the pixels of an autostereoscopic image to be displayed are displayed in such a manner that the 3 color points of each display pixel display 3 homologous color component color points of pixels of the autostereoscopic image coming from at least two pixels of the same row of at least two different viewpoints. The invention is characterized in that, for at least one group of two successive image lines comprising a first, a second and a third line, said spatial distribution of the 3 color points is offset by a step corresponding to a color point when passing from one line of the group to an adjacent line.
G09G 5/00 - Dispositions ou circuits de commande de l'affichage communs à l'affichage utilisant des tubes à rayons cathodiques et à l'affichage utilisant d'autres moyens de visualisation
G09G 5/02 - Dispositions ou circuits de commande de l'affichage communs à l'affichage utilisant des tubes à rayons cathodiques et à l'affichage utilisant d'autres moyens de visualisation caractérisés par la manière dont la couleur est visualisée
G09G 3/36 - Dispositions ou circuits de commande présentant un intérêt uniquement pour l'affichage utilisant des moyens de visualisation autres que les tubes à rayons cathodiques pour la présentation d'un ensemble de plusieurs caractères, p. ex. d'une page, en composant l'ensemble par combinaison d'éléments individuels disposés en matrice en commandant la lumière provenant d'une source indépendante utilisant des cristaux liquides
22.
ECRAN AUTOSTEREOSCOPIQUE, DIT DE QUALITE PHOTOGRAPHIQUE
G02B 30/27 - Systèmes ou appareils optiques pour produire des effets tridimensionnels [3D], p. ex. des effets stéréoscopiques en fournissant des première et seconde images de parallaxe à chacun des yeux gauche et droit d’un observateur du type autostéréoscopique comprenant des réseaux lenticulaires
G02B 30/29 - Systèmes ou appareils optiques pour produire des effets tridimensionnels [3D], p. ex. des effets stéréoscopiques en fournissant des première et seconde images de parallaxe à chacun des yeux gauche et droit d’un observateur du type autostéréoscopique comprenant des réseaux lenticulaires caractérisés par la géométrie du réseau lenticulaire, p. ex. réseaux en biais, réseaux irréguliers ou réseaux de formes ou de tailles variables
G02B 30/32 - Systèmes ou appareils optiques pour produire des effets tridimensionnels [3D], p. ex. des effets stéréoscopiques en fournissant des première et seconde images de parallaxe à chacun des yeux gauche et droit d’un observateur du type autostéréoscopique comprenant des barrières de parallaxe caractérisés par la géométrie de barrières de parallaxe, p. ex. barrières échelonnées, réseaux de parallaxes en biais ou réseaux de parallaxes de formes ou de tailles variables
H04N 13/305 - Reproducteurs d’images pour visionnement sans avoir recours à des lunettes spéciales, c.-à-d. utilisant des affichages autostéréoscopiques utilisant des lentilles lenticulaires, p. ex. dispositions de lentilles cylindriques
H04N 13/317 - Reproducteurs d’images pour visionnement sans avoir recours à des lunettes spéciales, c.-à-d. utilisant des affichages autostéréoscopiques la parallaxe provenant d’éléments optiques en biais
H04N 13/349 - Affichages multi-vues pour afficher au moins trois points de vue géométriques, sans suivi du spectateur
DISPOSITIF DE PROJECTION AÉRIENNE ET DÉMATÉRIALISÉE D'UNE IMAGE AUTOSTEREOSCOPIQUE OU D'UNE SÉQUENCE D'IMAGES AUTOSTEREOSCOPIQUES, EN PARTICULIER POUR UN USAGE DANS L'AUTOMOBILE
G02B 30/29 - Systèmes ou appareils optiques pour produire des effets tridimensionnels [3D], p. ex. des effets stéréoscopiques en fournissant des première et seconde images de parallaxe à chacun des yeux gauche et droit d’un observateur du type autostéréoscopique comprenant des réseaux lenticulaires caractérisés par la géométrie du réseau lenticulaire, p. ex. réseaux en biais, réseaux irréguliers ou réseaux de formes ou de tailles variables
H04N 13/305 - Reproducteurs d’images pour visionnement sans avoir recours à des lunettes spéciales, c.-à-d. utilisant des affichages autostéréoscopiques utilisant des lentilles lenticulaires, p. ex. dispositions de lentilles cylindriques
H04N 13/317 - Reproducteurs d’images pour visionnement sans avoir recours à des lunettes spéciales, c.-à-d. utilisant des affichages autostéréoscopiques la parallaxe provenant d’éléments optiques en biais
24.
METHOD FOR DISPLAYING AN AUTOSTEREOSCOPIC IMAGE HAVING N VIEWPOINTS
The invention relates to a method for displaying an autostereoscopic image having N viewpoints on at least a portion of a screen containing display pixels arranged in lines and columns, each display pixel containing a first, a second and a third color point aligned on the same line and each being of a different color (R.V.B.). The first display pixel of one line is constituted of color points of row 1 to 3, the second display pixel of one line is constituted of color points of row 4 to 6, the display pixel of row q of a line is constituted of color points of row (3q 2) to 3q. According to the inventive method, N is greater than 1 and the pixels of an autostereoscopic image to be displayed are displayed in such a manner that the 3 color points of each display pixel display 3 homologous color component color points of pixels of the autostereoscopic image coming from at least two pixels of the same row of at least two different viewpoints. The invention is characterized in that, for at least one group of two successive image lines comprising a first, a second and a third line, said spatial distribution of the 3 color points is offset by a step corresponding to a color point when passing from one line of the group to an adjacent line.
G02B 30/26 - Systèmes ou appareils optiques pour produire des effets tridimensionnels [3D], p. ex. des effets stéréoscopiques en fournissant des première et seconde images de parallaxe à chacun des yeux gauche et droit d’un observateur du type autostéréoscopique
An advantageously flat display screen (E) comprising a matrix of pixels (P) arranged in lines and in columns perpendicular to said lines, each pixel comprising three or more sub-pixels (SP) of different colours (R, V, B) aligned in the direction of said lines and having an elongated shape, characterised in that each of said sub-pixels has a main dimension forming a non-zero angle relative to the direction of said columns. The screen can advantageously be provided with an angular selection network for autostereoscopic display of which the main axes form an angle a relative to the direction of said columns and of which the pitch makes it possible to cover M=2 sub-pixels.
G02B 30/30 - Systèmes ou appareils optiques pour produire des effets tridimensionnels [3D], p. ex. des effets stéréoscopiques en fournissant des première et seconde images de parallaxe à chacun des yeux gauche et droit d’un observateur du type autostéréoscopique comprenant des barrières de parallaxe
G09F 9/30 - Dispositifs d'affichage d'information variable, dans lesquels l'information est formée sur un support, par sélection ou combinaison d'éléments individuels dans lesquels le ou les caractères désirés sont formés par une combinaison d'éléments individuels
H04N 13/302 - Reproducteurs d’images pour visionnement sans avoir recours à des lunettes spéciales, c.-à-d. utilisant des affichages autostéréoscopiques
The invention relates to a system and method for displaying an autostereoscopic image comprising 2 viewpoints each formed from a plurality of strips of sub-pixels, called image strips, on an autostereoscopic display screen configured to display N viewpoints, N being higher than or equal to 3, said method comprising a step of detecting the position of a privileged observer with respect to the screen; a step of determining for each eye of the observer the strips of the screen that can be seen by this eye in the detected position; a step of determining for each eye of the observer the strips that cannot be seen by either of the two eyes in this position; attributing, to said sub-pixels of the strips of the screen that can be seen, for each eye, sub-pixels corresponding to the image strip of the corresponding eye; attributing, to said sub-pixels of the strips of the screen that cannot be seen, sub-pixels corresponding to safety viewpoints constructed from the sub-pixels of the image strips.
G02B 30/27 - Systèmes ou appareils optiques pour produire des effets tridimensionnels [3D], p. ex. des effets stéréoscopiques en fournissant des première et seconde images de parallaxe à chacun des yeux gauche et droit d’un observateur du type autostéréoscopique comprenant des réseaux lenticulaires
H04N 13/279 - Générateurs de signaux d’images à partir de modèles 3D d’objets, p. ex. des signaux d’images stéréoscopiques générés par ordinateur les positions des points de vue virtuels étant choisies par les spectateurs ou déterminées par suivi
H04N 13/305 - Reproducteurs d’images pour visionnement sans avoir recours à des lunettes spéciales, c.-à-d. utilisant des affichages autostéréoscopiques utilisant des lentilles lenticulaires, p. ex. dispositions de lentilles cylindriques
H04N 13/31 - Reproducteurs d’images pour visionnement sans avoir recours à des lunettes spéciales, c.-à-d. utilisant des affichages autostéréoscopiques utilisant des barrières de parallaxe
AUTOSTEREOSCOPIC DISPLAY SCREEN HAVING P VIEWPOINTS FOR DISPLAYING AN AUTOSTEREOSCOPIC IMAGE HAVING I VIEWPOINTS AND DISPLAY DEVICE COMPRISING SUCH A SCREEN
The invention relates to a display screen having P screen viewpoints, P being an integer greater than or equal to 6, for displaying an autostereoscopic image having I image viewpoints, I being an integer greater than or equal to 2, less than or equal to P/3, the screen comprising: an array (10) of pixels arranged in lines and in columns; an optical network configured so that the P viewpoints of the screen can be successively perceived in lobes, each covering I times the average inter-pupillary distance of an observer (8), and so that the screen viewpoints of each pair of viewpoints visible to the observer are separated by at least T buffer viewpoints, T being greater than or equal to 2, such that it is possible to successively display, for each lobe, each of the I image viewpoints, each repeated P/I times, and for each viewpoint visible to the observer to be surrounded by at least 2 buffer viewpoints each displaying said same image viewpoint.
G02B 27/00 - Systèmes ou appareils optiques non prévus dans aucun des groupes ,
G02B 30/29 - Systèmes ou appareils optiques pour produire des effets tridimensionnels [3D], p. ex. des effets stéréoscopiques en fournissant des première et seconde images de parallaxe à chacun des yeux gauche et droit d’un observateur du type autostéréoscopique comprenant des réseaux lenticulaires caractérisés par la géométrie du réseau lenticulaire, p. ex. réseaux en biais, réseaux irréguliers ou réseaux de formes ou de tailles variables
H04N 13/305 - Reproducteurs d’images pour visionnement sans avoir recours à des lunettes spéciales, c.-à-d. utilisant des affichages autostéréoscopiques utilisant des lentilles lenticulaires, p. ex. dispositions de lentilles cylindriques
H04N 13/317 - Reproducteurs d’images pour visionnement sans avoir recours à des lunettes spéciales, c.-à-d. utilisant des affichages autostéréoscopiques la parallaxe provenant d’éléments optiques en biais
