Please download the dossier by clicking on the dossier button x
×

Method and apparatus for controlling light emitting diodes

  • US 20040164685A1
  • Filed: 02/20/2003
  • Published: 08/26/2004
  • Est. Priority Date: 02/20/2003
  • Status: Active Grant
First Claim
Patent Images

1. A light emitting diode (“

  • LED”

    ) circuit, comprising;

    a plurality of chains of LEDs connected in parallel, each chain of LEDs including a plurality of LEDs connected in series; and

    a current regulating circuit including a current regulating element connected to a first chain of the plurality of chains of LEDS, and a plurality of current mirroring elements, each current mirroring element being connected to a respective chain of the plurality of chains of LEDs.

View all claims
  • 12 Assignments
Timeline View
Assignment View
    ×
    ×