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LED DRIVING CIRCUIT

  • US 20120256550A1
  • Filed: 11/24/2010
  • Published: 10/11/2012
  • Est. Priority Date: 12/22/2009
  • Status: Abandoned Application
First Claim
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1. An LED driving circuit comprising:

  • a rectifier;

    a first LED array containing a plurality of LEDs;

    a second LED array containing a plurality of LEDs;

    a connection unit for connecting said first and second LED arrays in series relative to said rectifier or for connecting said first and second LED arrays in parallel relative to said rectifier;

    a control unit for switching the connection of said first and second LED arrays relative to said rectifier from parallel to series by controlling said connection unit; and

    a reverse current preventing diode disposed between said first LED array and said second LED array.

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