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Electric shock resistant L.E.D. based light

  • US 8,807,785 B2
  • Filed: 01/16/2013
  • Issued: 08/19/2014
  • Est. Priority Date: 05/23/2008
  • Status: Active Grant
First Claim
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1. An LED-based light for replacing a conventional fluorescent light bulb in a fluorescent light fixture, the LED-based light comprising:

  • a tubular housing formed of a high-dielectric material and defined at least in part by a light transmitting portion;

    an elongate circuit board disposed within the housing;

    at least one LED mounted on the circuit board;

    an elongate heat sink disposed within the housing, the heat sink having a circuit board mounting surface opposing a radially outer surface, the circuit board mounted in thermally conductive relation to the circuit board mounting surface, substantially all of the radially outer surface of the heat sink in thermally conductive relation with the tubular housing for electrically insulated thermal transmission of heat generated by the at least one LED from the circuit board to an ambient environment surrounding the LED-based light, wherein the housing includes at least one projection having a rounded end on an interior portion thereof and the radially outer surface of the heat sink includes at least one corresponding groove configured to engage the at least one projection to attach the heat sink to the housing; and

    a pair of end caps disposed on opposing ends of the housing, each end cap including at least one connector configured to physically connect the LED-based light to the fluorescent light fixture.

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