Display apparatus and driving device for displaying
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United States of America Patent
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-
Apr 4, 2006
Grant Date -
Dec 12, 2002
app pub date -
Jun 5, 2002
filing date -
Jun 7, 2001
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A driving display device includes a gray scale voltage generating circuit for generating a plurality of levels of gray scale voltages from a reference voltage, an amplitude adjustment register capable of setting the amplitude of a characteristic curve of a plurality of levels of the gray scale voltages with respect to gray scale numbers, and a gradient adjustment register capable of setting the gradient of the characteristic curve. With this arrangement, the gradient and amplitude of the gray scale number-gray scale voltage characteristic are adjusted.
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