System for applying brightness signals to a display device and comparator therefore
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United States of America Patent
Stats
-
Dec 8, 1992
Grant Date -
N/A
app pub date -
Oct 19, 1990
filing date -
Oct 19, 1990
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A system for applying brightness signals to the pixels of a display device includes a transmission gate for each column of pixels. The control electrodes of the transmission gates are precharged to the threshold voltage of the gates to substantially increase the speed of the system. Comparators compare brightness voltages to a reference ramp voltage to enhance the speed and accuracy of the system.
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Cited Art Landscape
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