Liquid crystal apparatus having light quantity of the backlight in synchronism with writing signals
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United States of America Patent
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Sep 25, 1990
Issued Date -
N/A
app pub date -
Feb 13, 1989
filing date -
Jul 12, 1985
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A liquid crystal apparatus, comprising a liquid crystal panel comprising a plurality of scanning lines, and a plurality of picture elements disposed along each of the scanning lines and comprising a ferroelectric liquid crystal; a backlight disposed behind the liquid crystal panel for illuminating the liquid crystal panel, the backlight changing the light quantity emitted therefrom with the elapse of time. The liquid crystal apparatus is so driven that the low level of the light quantity of the backlight is synchronized with a time when a writing signal is applied to picture elements on at least one scanning line.
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