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LIGHT EMITTING DIODE CIRCUIT AND ARRANGEMENT AND DEVICE

  • US 20090284174A1
  • Filed: 04/20/2007
  • Published: 11/19/2009
  • Est. Priority Date: 05/02/2006
  • Status: Active Grant
First Claim
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1. A light emitting diode circuit comprisinga first sub-circuit comprising at least one first light emitting diode and connected to a pair of terminals, comprising a first terminal and a second terminal anda second sub-circuit comprising at least one second light emitting diode and connected to the pair of terminals in parallel with the first sub-circuit, the second sub-circuit further comprising a first switch for, in a conducting state, switching on the second light emitting diode and switching off the first light emitting diode and for, in a non-conducting state, switching off the second light emitting diode and switching on the first light emitting diode.

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