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Liquid crystal display with area adaptive backlight

  • US 20080129677A1
  • Filed: 11/30/2006
  • Published: 06/05/2008
  • Est. Priority Date: 11/30/2006
  • Status: Active Grant
First Claim
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1. A method for displaying an image on a liquid crystal display including a light valve and a backlight array of individually controllable lighting elements comprising:

  • (a) receiving an image;

    (b) modifying said image to provide data to said light valve;

    (c) modifying said image to provide data to said backlight array;

    (d) wherein said data provided to said backlight array is based upon maintaining the following constraints;

    (i) the lighting element value is greater than a corresponding pixel value;

    (ii) the lighting element is decreased in value when less than the leakage value of the display;

    (iii) the lighting elements are generally decreased in value while the corresponding light value is increased in transmission.

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