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LED BACKLIGHT

  • US 20080074901A1
  • Filed: 09/21/2006
  • Published: 03/27/2008
  • Est. Priority Date: 09/21/2006
  • Status: Active Grant
First Claim
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1. An LED backlight assembly comprising:

  • a housing having a plurality of internal surfaces, at least one of the internal surfaces is a light emission surface and an opposing surface is a reflective surface;

    an optical film disposed between the light emission surface and the reflective surface, the optical film comprising at least one of a diffusing film, a reflective polarizing film, a multilayer optical film, and a structured surface film; and

    an array of LEDs in electrical communication disposed on the optical film, wherein at least one LED of the array of LEDs has an illumination field that is directed toward the reflective surface.

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