Method for realizing gray levels of LCD device
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United States of America Patent
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Mar 6, 2012
Grant Date -
May 18, 2006
app pub date -
Jun 6, 2005
filing date -
Nov 12, 2004
priority date (Note) -
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Abstract
Disclosed is a method for realizing gray levels of a liquid crystal display (LCD) device, which realize various gray levels by interworking a gamma voltage and a sub-frame. The method includes the steps of dividing a liquid crystal response time interval for a pixel during one frame into n sequential sub-frames, enabling the pixel and applying a gamma voltage having a fixed level to the pixel, filling electric charges in the pixel by using the gamma voltage during each of the n specific sub-frames, and disabling the pixel at an end time point of a predetermined ith sub-frame, the i being an integer, wherein an amount of light projected on the pixel is adjusted by regulating a time point at which the pixel is disabled during each of the n specific sub-frames.
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