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LED flash ring surrounding camera lens

  • US 10,288,983 B2
  • Filed: 04/25/2017
  • Issued: 05/14/2019
  • Est. Priority Date: 04/26/2016
  • Status: Active Grant
First Claim
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1. An illumination device comprising:

  • a light guide shaped as a ring having a central opening, the light guide having light extraction features on a light exit surface of the light guide;

    a first printed circuit board including first conductors and having a first reflective surface for reflecting light propagating through the light guide, the first printed circuit board electrically connecting a first light emitting diode (LED) to the first conductors;

    at least a first portion of the first printed circuit board and the first LED being encapsulated in the light guide;

    andthe light guide internally reflecting light from the first LED within the light guide until emitted through the light exit surface.

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  • 3 Assignments
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