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LED device for wide beam generation and method of making the same

  • US 9,482,394 B2
  • Filed: 07/14/2014
  • Issued: 11/01/2016
  • Est. Priority Date: 05/21/2007
  • Status: Active Grant
First Claim
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1. A lighting system comprising:

  • a substrate;

    an optic that is disposed at the substrate and that comprises a refracting exterior surface and a refracting inner surface forming a cavity; and

    a light emitting diode source disposed at the substrate to emit light that illuminates the cavity and that includes rays traveling along the substrate at an orientation that would miss the refracting exterior surface, wherein the refracting inner surface is configured to reorient said rays for incidence on said refracting exterior surface.

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