Driving System and Multi-Gamma Driving Method for LCD Panel
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United States of America Patent
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N/A
Issued Date -
May 1, 2008
app pub date -
Dec 14, 2006
filing date -
Oct 26, 2006
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
The present invention relates to a liquid crystal display device and a method of driving the same. The steps of the method contains: (1) upgrade the frame rate up to p/q times (p, q are natural numbers and p>q) and produce a series of output frames; (2) conduct grey level conversions for the series of output frames using different mapping curves based on different gamma values; (3) process the series of converted output frames by an appropriate gamma correction curve and presents the output frames on the LCD panel by an appropriate scanning method. In step (2) of the present invention, two grey level mapping curves, each specified by a specific gamma value, are applied alternately to the series of output frames and the two grey level mapping curves can be identical or different. Thus, the enhancement in brightness and high display performance and quality can be achieved.
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