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Optical fiber-to-planar lightpipe grooved optical coupler

  • US 5,772,304 A
  • Filed: 10/02/1996
  • Issued: 06/30/1998
  • Est. Priority Date: 10/02/1996
  • Status: Expired due to Fees
First Claim
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1. An exterior vehicle lamp, comprising:

  • an optical fiber for providing an optical fiber light output;

    an optical coupler responsive to the optical fiber light output for providing an optical coupler light output, said optical coupler comprised of a transparent substrate having an input side for receiving said optical fiber light output, an output surface and a plurality of internally reflecting surfaces opposite said output surface for internally reflecting light that enters said input surface toward said output surface; and

    a light panel responsive to the optical coupler light output for providing an exterior lamp output.

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