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Heat removal design for LED bulbs

  • US 8,547,002 B2
  • Filed: 04/27/2007
  • Issued: 10/01/2013
  • Est. Priority Date: 05/02/2006
  • Status: Expired due to Fees
First Claim
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1. A light emitting diode (LED) bulb comprising:

  • a shell, wherein the shell is bulb-shaped and is transparent or contains materials to disperse light;

    a thermally conductive liquid within and in contact with the interior of the shell;

    a plurality of LEDs immersed within and in contact with the thermally conductive liquid, wherein the thermally conductive liquid and the shell are the only means to transfer heat generated by the plurality of LEDs;

    a base, wherein the base has a base pin and wherein the base is configured to be received within an electrical socket; and

    a support extending into the shell, wherein the plurality of LEDs is connected to the support, and wherein each of the plurality of LEDs is positioned facing a different radial direction.

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