Method and apparatus for controlling light emitting diodes

Details Method and apparatus for controlling light emitting diodes Method and apparatus for controlling light emitting diodes

2005-03-08

2005-03-08

Wong, Don (Department: 2821)

Electric lamp and discharge devices: systems

Periodic switch in the supply circuit

Plural load device systems

C315S194000, C315S291000

Reexamination Certificate

active

06864641

ABSTRACT:
A light emitting code (“LED”) circuit includes a plurality of light emitting diodes connected in a hybrid parallel-series configuration, and a current regulating circuit that includes 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.

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