Gamma voltage generator, source driver, and display device utilizing the same
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United States of America Patent
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Oct 5, 2010
Grant Date -
Feb 7, 2008
app pub date -
Oct 23, 2006
filing date -
Jul 25, 2006
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A gamma voltage generator generating a plurality of gamma voltages transformed into a plurality of data signals by a processing unit is disclosed. The processing unit outputs the data signals according to a color separation method. The gamma voltage generator comprises a setting unit, a resistor string, and a selection unit. The setting unit provides a first parameter, a second parameter, and a third parameter. The resistor string generates the gamma voltages according to the first, second, or third parameter. The selection unit is coupled between the setting unit and the resistor string for outputting the first, second, or third parameter to the resistor string according to a control signal group.
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