Liquid crystal display with photodetectors having polarizing plates mounted thereon and its correcting method
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United States of America Patent
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app pub date -
Mar 30, 2006
filing date -
Oct 16, 2001
priority date (Note) -
Abandoned
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Abstract
The quantity of light from a backlight is monitored by a first photodetector, and the environment on the part of a user is monitored by a second photodetector disposed in the rear of a liquid crystal panel, not on the front thereof. It is possible to exclude the influence of external light from the user side on the first photodetector which detects the quantity of light from the backlight.
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