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LCD backlight using two-dimensional array LEDs

DC
  • US 7,052,152 B2
  • Filed: 10/03/2003
  • Issued: 05/30/2006
  • Est. Priority Date: 10/03/2003
  • Status: Expired due to Term
First Claim
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1. A display device comprising:

  • a housing comprising reflective surfaces and a top opening through which light is emitted for backlighting a liquid crystal display (LCD) panel;

    an array of substantially identical light emitting diodes (LEDs) supported on a reflective bottom surface in the housing, the LEDs being separated from one another by a distance greater that the width of a single LED, wherein the housing has a height, and wherein a ratio of the height to a pitch of the LEDs is between approximately 0.3 to 1.2; and

    a diffuser above the LEDs for providing diffused light to an LCD panel.

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