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LIQUID CRYSTAL DISPLAY

  • US 20100165002A1
  • Filed: 11/16/2009
  • Published: 07/01/2010
  • Est. Priority Date: 12/26/2008
  • Status: Active Grant
First Claim
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1. A liquid crystal display, comprising:

  • a liquid crystal display panel displaying an image;

    an external light sensor sensing a color temperature of external light around the liquid crystal display panel;

    a backlight having an output luminance controlled in response to an adjustment dimming signal which is varied according to an input image; and

    a gamma curve adjustment circuit restoring an original color of the display image irrespective of a change in viewing environments by modulating input digital video data based on the color temperature of the external light or a relative maximum white luminance for the adjustment dimming signal.

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