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LED luminaire including a thin phosphor layer applied to a remote reflector

  • US 9,316,368 B2
  • Filed: 04/18/2011
  • Issued: 04/19/2016
  • Est. Priority Date: 04/18/2011
  • Status: Active Grant
First Claim
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1. A troffer comprising:

  • a reflector disposed to reflect light and direct light out of the troffer to provide illumination;

    a plurality of LEDs to produce the light, the plurality of LEDs mounted on a surface to face the reflector;

    a diffuser lens assembly disposed at the sides of the surface; and

    a layer of phosphor between 5 and 50 μ

    m thick applied to the reflector to provide wavelength conversion for at least a portion of the light from the light source;

    wherein the surface faces a center region of the reflector to which the layer of phosphor is applied so that the troffer emits light through the diffuser lens assembly.

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