Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Fumihiko Kato0
Date of Patent
February 6, 2007
0Patent Application Number
100909540
Date Filed
March 5, 2002
0Patent Primary Examiner
Patent abstract
An LCD control unit includes a software adjustment block for adjusting the γ-correction voltages by a software. The LCD control unit includes a voltage generator block generating n γ-correction voltages and m Vcom voltages based on a voltage address signal, a voltage selecting block selecting a pair of γ-correction voltages and a Vcom voltage based on a time series polarity control signal, and an LCD driver having a γ-correction resistor string which receives the γ-correction voltages at both the ends thereof. The LCD driver converts external data signals into display voltages having voltages corrected by the outputs from the γ-correction resistor string.
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