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Crystal display device

  • US 20040263495A1
  • Filed: 03/19/2004
  • Published: 12/30/2004
  • Est. Priority Date: 11/09/2001
  • Status: Active Grant
First Claim
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1. A liquid crystal display for image display using a liquid crystal display panel, comprising:

  • an emphasis-converter determining emphasis-converted data for compensating an optical response characteristic of the liquid crystal display panel in accordance with, at least, a gray scale level transition of input image data from a previous vertical period to a current vertical period;

    an edge detector detecting an edge portion contained in the input image data; and

    a selector selecting either the emphasis-converted data or the input image data, based on a detection result of the edge portion and supplying the selected one as display image data to the liquid crystal display panel.

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