Liquid crystal display device
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United States of America Patent
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-
May 25, 1993
Grant Date -
N/A
app pub date -
Sep 5, 1989
filing date -
Dec 22, 1988
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A liquid crystal display device for image display realizing clear and optimum image display by comprising a brightness detector for detecting brightness of image signal after digital conversion and a voltage dividing circuit for outputting the reference voltage in the level depending on the detected value in view of adjusting contrast of display screen by judging brightness of image signal and controlling the reference voltage.
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Cited Art Landscape
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