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Remote-phosphor LED downlight

  • US 8,016,443 B2
  • Filed: 05/01/2009
  • Issued: 09/13/2011
  • Est. Priority Date: 05/02/2008
  • Status: Active Grant
First Claim
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1. A luminaire comprising:

  • one or more blue LED chips;

    a collimator operative on the emitted light of said chips to produce collimated light;

    a phosphor situated at a distance from said LED chips such that said collimated light illuminates said phosphor; and

    a beam-forming reflector surrounding said phosphor and arranged to produce an output beam of light from the phosphor past the LED chips.

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