IMAGE DISPLAY DEVICE

PROBLEM TO BE SOLVED: To practice pixel shifting technique for attaining higher definition of an image display device by simple constitution with high accuracy. SOLUTION: The image display device has an image display element 8, a light source unit 4 which is composed of two light sources 1 and 2 irr...

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Bibliographic Details
Main Authors AISAKA KEISHIN, TOKITA TOSHIAKI, SUGIMOTO HIROYUKI, HIRANO YUKIKO, MATSUKI YUMI
Format Patent
LanguageEnglish
Published 19.06.2008
Subjects
ACCESSORIES THEREFOR
APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USINGWAVES OTHER THAN OPTICAL WAVES
APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FORPROJECTING OR VIEWING THEM
CINEMATOGRAPHY
ELECTRIC COMMUNICATION TECHNIQUE
ELECTRICITY
ELECTROGRAPHY
HOLOGRAPHY
OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS
OPTICS
PHOTOGRAPHY
PHYSICS
PICTORIAL COMMUNICATION, e.g. TELEVISION
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Summary:PROBLEM TO BE SOLVED: To practice pixel shifting technique for attaining higher definition of an image display device by simple constitution with high accuracy. SOLUTION: The image display device has an image display element 8, a light source unit 4 which is composed of two light sources 1 and 2 irradiating the image display element 8 with light of polarization directions orthogonal to each other and a birefringent element 6 which is installed at a side where light is emitted from the image display element 8 and has an optical axis in a direction inclined to an emission light axis. Thereby light utilization efficiency is made higher as compared with a case when non-polarized light is linearly polarized and a polarization surface is controlled. COPYRIGHT: (C)2008,JPO&INPIT
Bibliography:Application Number: JP20060327385