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HDR displays and control systems therefor

  • US 7,731,367 B2
  • Filed: 10/13/2008
  • Issued: 06/08/2010
  • Est. Priority Date: 02/27/2001
  • Status: Expired due to Term
First Claim
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1. A controller, comprising:

  • a processing device configured to,produce first control signals intended to control individually controllable elements of a backlight of a display device, wherein the first control signals are based on image data defining a desired image and comprise data that, when applied to the backlight, cause the backlight to project a pattern of light which approximates the desired image, andproduce second control signals intended to control individually controllable elements of a transmissive pixel array panel of the display device;

    wherein;

    the second control signals are based on the image data defining the desired image and comprises data that, when applied to the panel, cause the transmissive pixel away to modulate the pattern of light so as to reduce differences between the pattern of light and the desired image, andthe second control signals include compensation of artifacts due to pixel size differences between the backlight and the transmissive pixel array.

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