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LED lamp with active cooling element

  • US 8,931,933 B2
  • Filed: 02/07/2011
  • Issued: 01/13/2015
  • Est. Priority Date: 03/03/2010
  • Status: Active Grant
First Claim
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1. A solid state light source, comprising:

  • a light emitting diode (LED);

    a heat sink with said LED in thermal contact with said heat sink; and

    an integral diaphragm pump type cooling element comprising a housing and a plurality of top air holes and bottom air holes, wherein each of said plurality of top air holes is aligned with a respective one of said plurality of bottom air holes to reduce the convective thermal resistance of at least some of the light source elements;

    wherein said integral diaphragm pump type cooling element is internal to a component of said light source and draws ambient air internal to said light source.

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