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Light emitting diode package

  • US 20050285133A1
  • Filed: 06/14/2005
  • Published: 12/29/2005
  • Est. Priority Date: 06/18/2004
  • Status: Active Grant
First Claim
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1. A light emitting diode package comprising:

  • a light emitting diode device; and

    a lens encapsulating said light emitting diode device, wherein said lens further comprises, two reflective surfaces disposed at either side of a central axis, and a plurality of diffractive surfaces disposed between said reflective surfaces, each of said diffractive surfaces having a tilt angle respective to said central axis, wherein portions of light beams incident to each of said reflective surfaces are reflected to at least one diffractive surface and then diffracted and collected into a convergent angle.

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