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LED-based light bulb device

  • US 8,860,289 B2
  • Filed: 04/16/2013
  • Issued: 10/14/2014
  • Est. Priority Date: 06/04/2008
  • Status: Active Grant
First Claim
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1. An LED light bulb device comprising:

  • a bulb body defining an exterior of the LED light bulb device and an open interior region, wherein the bulb body defines a shape having a circumference;

    a first elongated heat sink stem extending along the bulb body and open to the exterior;

    a second elongated heat sink stem extending along the bulb body and open to the exterior;

    wherein the first and second heat sink stems are discrete from one another and are circumferentially spaced from one another along the circumference of the bulb body;

    a first plurality of LEDs directly supported by the first heat sink stem;

    a second plurality of LEDs directly supported by the second heat sink stem;

    wherein light from the first and second plurality of LEDs is directed inwardly into the interior region and then outwardly from the interior region.

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