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Modular LED light bulb

  • US 8,350,485 B2
  • Filed: 03/28/2011
  • Issued: 01/08/2013
  • Est. Priority Date: 05/15/2009
  • Status: Active Grant
First Claim
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1. An apparatus comprising:

  • a heat sink;

    an LED light source mounted on said heat sink;

    a power adapter configured to be interchangeable with a conventional bulb power adapter; and

    a controller that provides an average current to said LED light source when power is coupled to said apparatus via said power adapter, said average current causing said LED light source to generate light of a predetermined standard intensity that is substantially independent of variations in said LED light source;

    wherein said controller comprises an integrated circuit mounted on said heat sink.

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