DATA DRIVER AND DISPLAY DEVICE USING THE SAME
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United States of America Patent
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Issued Date -
Jun 18, 2015
app pub date -
May 28, 2014
filing date -
Dec 13, 2013
priority date (Note) -
Abandoned
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Abstract
A data driver of a display panel includes a gamma voltage generating unit generating a gamma grayscale voltage for converting the digital data signal into an analog data signal; and a digital-to-analog conversion unit converting the digital data signal into an analog data signal in response to the gamma grayscale voltage. The gamma voltage generating unit generates the gamma grayscale voltage based on one of an external reference voltage and an internal reference voltage in response to a control signal.
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