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Solid state lights with thermosiphon liquid cooling structures and methods

  • US 9,057,514 B2
  • Filed: 07/05/2012
  • Issued: 06/16/2015
  • Est. Priority Date: 08/31/2010
  • Status: Active Grant
First Claim
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1. A lighting device, comprising:

  • a housing including a fluid chamber having a plurality if channel loops;

    a coolant fluid in the fluid chamber;

    solid state emitters (SSEs) each including an active portion from which light is emitted and a back portion, wherein at least one of the active portion and the back portion directly contacts the coolant fluid in one of the channel loop; and

    a reflective structure positioned between the SSEs, wherein the reflective structure is configured to direct light emitted by each of the SSEs out of the lighting device while the coolant fluid in each of the channel loops is heated by the least one of the active portion and the back portion to circulate the coolant fluid along the respective channel loops.

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