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Light emitting devices for liquid crystal displays

  • US 7,667,238 B2
  • Filed: 08/23/2005
  • Issued: 02/23/2010
  • Est. Priority Date: 04/15/2003
  • Status: Active Grant
First Claim
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1. A system comprising:

  • a panel having an edge; and

    an array of light emitting devices, the array of light emitting devices having a combined surface area defined by an outer perimeter of the array of light emitting devices; and

    an optical component disposed in an optical path from the light emitting devices to the edge of the panel, the optical component including an aperture having an area defined by a perimeter of the aperture;

    wherein the combined surface area of the array of light emitting devices substantially matches the area of the aperture and an aspect ratio of the aperture substantially matches an aspect ratio of the array of light emitting devices, wherein the perimeter of the aperture is circular, and the perimeter of the array of light emitting devices is circular and the array of light emitting devices comprises four light emitting devices and each light emitting device in the array of light emitting devices has a perimeter defining a shape of about ¼

    of a circle.

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