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Driving apparatus of light emitting diode and driving method thereof

  • US 8,427,081 B2
  • Filed: 07/23/2012
  • Issued: 04/23/2013
  • Est. Priority Date: 09/16/2009
  • Status: Expired
First Claim
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1. A driving method of a light-emitting diode (LED), adapted to a driving apparatus, the driving method comprising:

  • detecting whether the driving apparatus performs dimming;

    if the driving apparatus is detected to perform dimming, determining whether a predetermined requirement for dimming control is met or not;

    when the predetermined requirement for dimming control is not met, regulating respective current magnitudes of a plurality of driving currents, and outputting each of the driving currents for a full time of a period; and

    when the predetermined requirement for dimming control is met, outputting each of the driving currents for a partial time of a period.

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