Single panel color porjection video display having control circuitry for synchronizing the color illumination system with reading/writing of the light
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United States of America Patent
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Apr 16, 1996
Issued Date -
N/A
app pub date -
Mar 9, 1995
filing date -
Dec 27, 1990
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A color projection video system utilizing only a single light valve. A white light source is separated into into red, green and blue bands. Scanning optics cause the RGB bands to be sequentially scanned across a light valve, such as a transmission LCD panel. Prior to each color passing over a given row of panels on the light valve, that row will be addressed, by the display electronics with the appropriate color content of that portion of the image which is being displayed. The image is projected by a projection lens onto a viewing surface, such as a screen. The device includes circuitry to synchronize the illumination of the light valve with the video signal and to minimize video breakup when changing video sources.
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Cited Art Landscape
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