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Locally dimmed display

  • US 8,419,194 B2
  • Filed: 07/11/2012
  • Issued: 04/16/2013
  • Est. Priority Date: 02/27/2001
  • Status: Expired due to Term
First Claim
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1. A display comprising:

  • an input configured to receive an image signal representative of a desired image;

    a spatial light modulating panel;

    a light source configured to illuminate the spatial light modulating panel;

    a controller configured to energize the light source and the spatial light modulating panel based on the image signal;

    wherein the controller is further configured to energize the light source according to a luminance of the desired image, and energize pixels of the spatial light modulating panel according to an amount of smoothly varying luminance illuminating the pixels of the spatial light modulating panel and a corresponding amount of luminance in the desired image.

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