Source driver, electro-optical device, projection-type display device, and electronic instrument
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United States of America Patent
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Apr 23, 2013
Issued Date -
N/A
app pub date -
Feb 20, 2008
filing date -
Feb 23, 2007
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A source driver includes P grayscale signal lines, a corresponding grayscale voltage being supplied to each of the P grayscale signal lines, Q switch signal lines, a corresponding grayscale voltage being supplied to each of the Q switch signal lines, a first DAC that outputs a grayscale voltage among P grayscale voltages supplied to the P grayscale signal lines based on grayscale data, a second DAC that outputs a grayscale voltage among Q grayscale voltages supplied to the Q switch signal lines based on the grayscale data, and a source line driver section that drives a source line based on an output from the first DAC or the second DAC. The source line driver section generates a second drive signal of the source line based on the output from the second DAC, and then generates a first drive signal of the source line based on the output from the first DAC within one horizontal scan period.
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