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Optical disk for lighting module

  • US 8,188,486 B2
  • Filed: 09/16/2008
  • Issued: 05/29/2012
  • Est. Priority Date: 09/16/2008
  • Status: Expired due to Fees
First Claim
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1. An optical disk for use in converting light emitted from a light-emitting diode chip to white light, comprising:

  • an upper surface, a lower surface, and a perimeter surface;

    wherein the perimeter surface defines a diameter of the optical disk and an end thickness of the disk;

    wherein the end thickness is about 1.0 mm;

    wherein the diameter of the disk is about 3.0 mm; and

    wherein the upper surface has a radius of curvature of about 9.0 mm.

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