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LED lamp with remote phosphor and diffuser configuration

  • US 9,316,361 B2
  • Filed: 01/31/2011
  • Issued: 04/19/2016
  • Est. Priority Date: 03/03/2010
  • Status: Active Grant
First Claim
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1. A lighting device comprising:

  • a light source;

    a diffuser spaced from the light source;

    a wavelength conversion material between the light source and the diffuser and spaced from the diffuser and all of said light source, the wavelength conversion material being positioned so as to receive light emitted by the light source;

    wherein said wavelength conversion material comprises a phosphor carrier having a thermal conductivity of 0.5 W/m-k or more; and

    heat dissipation elements between said light source and said wavelength conversion material to conduct heat away from said light source and said wavelength conversion material.

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