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COLOR TEMPERATURE TUNABLE LED LIGHT SOURCE

  • US 20120038291A1
  • Filed: 08/13/2010
  • Published: 02/16/2012
  • Est. Priority Date: 08/13/2010
  • Status: Abandoned Application
First Claim
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1. A light emitting diode (LED) apparatus comprising:

  • a substrate;

    a first group of LED chips mounted on the substrate and configured to produce first color temperature light having a first intensity value determined from a first drive current; and

    a second group of LED chips mounted on the substrate and configured to produce second color temperature light having a second intensity value determined from a second drive current, wherein the first color temperature light and the second color temperature light combine to produce a resulting light having a resulting color temperature and a resulting intensity value.

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