Method for driving liquid crystal display in a multi-frame polarity inversion manner
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United States of America Patent
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Issued Date -
Jul 10, 2008
app pub date -
May 4, 2007
filing date -
Jan 10, 2007
priority date (Note) -
Abandoned
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Abstract
The present invention discloses a method for driving a liquid crystal display device for enhancing a picture quality. More specifically, a method for driving liquid crystal display in a multi-frame polarity inversion manner is disclosed. Based on standard liquid crystal display structure, hardware and specification, the method improves frame rate by increasing input rate of grayscale level with a better brightness performance and fewer loss of grayscale. The method comprises the following steps of: setting two or more voltage-controls during frame period of liquid crystal display panel to increase frame rate; setting a first grayscale level and a first voltage corresponding to the first grayscale level to represent brightness on liquid crystal display panel during a first voltage-control; and setting a second grayscale level and a second voltage corresponding to the second grayscale level to represent brightness on liquid crystal display panel during a second voltage-control which is just behind and in the same polarity as the first voltage-control.
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