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1. WO2009015375 - HEAD-MOUNTED SINGLE PANEL STEREOSCOPIC DISPLAY

Publication Number WO/2009/015375
Publication Date 29.01.2009
International Application No. PCT/US2008/071268
International Filing Date 25.07.2008
IPC
H04N 13/04 2006.01
HELECTRICITY
04ELECTRIC COMMUNICATION TECHNIQUE
NPICTORIAL COMMUNICATION, e.g. TELEVISION
13Stereoscopic video systems; Multi-view video systems; Details thereof
04Picture reproducers
H04N 15/00 2006.01
HELECTRICITY
04ELECTRIC COMMUNICATION TECHNIQUE
NPICTORIAL COMMUNICATION, e.g. TELEVISION
15Stereoscopic colour television systems; Details thereof
CPC
G02B 27/01
GPHYSICS
02OPTICS
BOPTICAL ELEMENTS, SYSTEMS, OR APPARATUS
27Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
01Head-up displays
G02B 30/00
GPHYSICS
02OPTICS
BOPTICAL ELEMENTS, SYSTEMS, OR APPARATUS
30Optical systems or apparatus for producing three-dimensional [3D] effects, e.g. stereoscopic images
G02B 30/25
GPHYSICS
02OPTICS
BOPTICAL ELEMENTS, SYSTEMS, OR APPARATUS
30Optical systems or apparatus for producing three-dimensional [3D] effects, e.g. stereoscopic images
20by providing first and second parallax images to an observer's left and right eyes
22of the stereoscopic type
25using polarisation techniques
G03B 27/02
GPHYSICS
03PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
BAPPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
27Photographic printing apparatus
02Exposure apparatus for contact printing
H04N 13/00
HELECTRICITY
04ELECTRIC COMMUNICATION TECHNIQUE
NPICTORIAL COMMUNICATION, e.g. TELEVISION
13Stereoscopic video systems; Multi-view video systems; Details thereof
H04N 13/341
HELECTRICITY
04ELECTRIC COMMUNICATION TECHNIQUE
NPICTORIAL COMMUNICATION, e.g. TELEVISION
13Stereoscopic video systems; Multi-view video systems; Details thereof
30Image reproducers
332Displays for viewing with the aid of special glasses or head-mounted displays [HMD]
341using temporal multiplexing
Applicants
  • REAL D [US]/[US] (AllExceptUS)
  • ROBINSON, Michael, G. [GB]/[US] (UsOnly)
Inventors
  • ROBINSON, Michael, G.
Agents
  • YANG, Charles, C.
Priority Data
60/952,13426.07.2007US
Publication Language English (EN)
Filing Language English (EN)
Designated States
Title
(EN) HEAD-MOUNTED SINGLE PANEL STEREOSCOPIC DISPLAY
(FR) AFFICHAGE STÉRÉOSCOPIQUE À PANNEAU UNIQUE MONTÉ SUR LA TÊTE
Abstract
(EN)
Disclosed is a head-mounted single panel display system that uses one or more liquid crystal switches and a polarizing beam splitter to redirect images from a single microdisplay panel to the viewer's eyes. The light emanating from the display panel is first directed, using a polarizing beam splitter, into two near-identical optical imaging systems, each forming an image in the left and right eyes. For stereoscopic (3D) operation, the light is modulated such that an image is seen in only one eye at a time. By providing time sequential stereoscopic imagery at a frame rate greater than 50Hz in each eye, flicker free, full resolution 3D can be visualized.
(FR)
L'invention concerne un système d'affichage à panneau unique monté sur la tête qui utilise un ou plusieurs commutateurs à cristaux liquides et un séparateur de faisceau polarisant pour rediriger des images provenant d'un panneau de micro-affichage unique vers les yeux d'un spectateur. La lumière émanant du panneau d'affichage est tout d'abord dirigée en utilisant un séparateur de faisceau polarisant, vers deux systèmes d'imagerie optiques presque identiques, formant chacun une image dans les yeux gauche et droit. Pour une utilisation stéréoscopique (3D), la lumière est modulée de telle sorte qu'une image est vue dans seulement un œil à la fois. En fournissant une imagerie stéréoscopique séquentielle dans le temps à une cadence d'image supérieure à 50 Hz dans chaque œil, on peut visualiser une pleine résolution 3D dépourvue de scintillement.
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