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DRIVING APPARATUS OF DISPLAY DEVICE, DISPLAY DEVICE INCLUDING THE SAME, AND METHOD OF DRIVING DISPLAY DEVICE

  • US 20080246779A1
  • Filed: 12/10/2007
  • Published: 10/09/2008
  • Est. Priority Date: 04/03/2007
  • Status: Active Grant
First Claim
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1. A driving apparatus of a display device, the driving apparatus comprising:

  • a gray range calculation unit which calculates a minimum gray and a maximum gray of a current image signal, which is an image signal of a current frame, or a signal that filters the current image signal with a low band;

    a conversion variable calculation unit which calculates a conversion variable based on the minimum gray, the maximum gray, a gray average of a current image signal, and a gray average of a previous image signal, which is an image signal of a previous frame; and

    an output signal generator which generates an output image signal by converting the current image signal according to the conversion variable.

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