Reduction or moiré effect in pixelated rear-projection displays

An apparatus and method for reducing the moiré effect in rear-projection displays by rotating the dark-stripe structure ( 711, 712 ) in the screen ( 71 ) 45±15 degrees relative to the displayed pixel structure. By rotating the dark-stripes ( 711 ) relative to the displayed pixels, the spatial freque...

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Bibliographic Details
Main Authors SEGLER, JR. DANA J, KUNZMAN ADAM J
Format Patent
LanguageEnglish
Published 14.06.2005
Edition7
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
ELECTROGRAPHY
HOLOGRAPHY
PHOTOGRAPHY
PHYSICS
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Summary:An apparatus and method for reducing the moiré effect in rear-projection displays by rotating the dark-stripe structure ( 711, 712 ) in the screen ( 71 ) 45±15 degrees relative to the displayed pixel structure. By rotating the dark-stripes ( 711 ) relative to the displayed pixels, the spatial frequency at which the moiré effect sets in can be improved by 15% to 41%.
Bibliography:Application Number: US20040791077