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Video and content controlled backlight

  • US 8,471,791 B2
  • Filed: 08/14/2007
  • Issued: 06/25/2013
  • Est. Priority Date: 08/14/2006
  • Status: Expired due to Fees
First Claim
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1. A display comprising:

  • a display panel;

    a backlight panel provided behind the display panel, the backlight panel having a plurality of regions each of the same size;

    each of the plurality of regions having a set of light emitting diodes (LEDs) chosen from a plurality of colors of LEDs, and each one of the LEDs in each region being coupled to a current line and a voltage line;

    wherein for each of the plurality of regions the set of LEDs in that region depends on where that region is located on the backlight panel to thereby provide a backlight panel in which at least some regions of the plurality of regions having a different set of colors of LEDs than other regions of the plurality of regions, thereby providing a backlight panel wherein the LEDs in some regions of the plurality of regions are different than the LEDs in other regions of the plurality of regions; and

    wherein the color of light emitted from each region of the plurality of regions is controlled by adjusting the current and voltage to the LEDs in that region.

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