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LIQUID CRYSTAL DISPLAY DEVICE AND VIDEO PROCESSING METHOD THEREOF

  • US 20110149146A1
  • Filed: 08/10/2010
  • Published: 06/23/2011
  • Est. Priority Date: 12/21/2009
  • Status: Active Grant
First Claim
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1. A video processing method of a liquid crystal display device comprising:

  • a) determining whether a current frame is a motion picture by comparing data of a current frame with data of a previous frame;

    b) converting and outputting a number of bits of a white gradation data of the current frame and outputting data of the other gradations without the bit-conversion, if it is determined in the first step that the current frame is the motion picture;

    c) outputting the data of the current frame without the bit-conversion if it is determined in the first step that the current frame is a still image; and

    d) comparing the data of the current frame outputted in the second or third step with data of a previous frame and outputting overdriving control (ODC) data converted based on the result of the comparison.

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