Light-emitting diode lighting apparatus and vehicle light...

Details Light-emitting diode lighting apparatus and vehicle light... Light-emitting diode lighting apparatus and vehicle light...

2006-08-14

2011-11-08

Tran, Thuy Vinh (Department: 2821)

Electrical transmission or interconnection systems

Vehicle mounted systems

Automobile

C315S247000, C315S307000

Reexamination Certificate

active

08053923

ABSTRACT:
A light emitting diode apparatus that includes a single DC/DC converter section that has two circuits connected in parallel: a flyback type boosting circuit and a boosting circuit. The former includes a transformer and a switching device and the like to boost DC voltage of a DC power supply, and the latter includes a transformer and a switching device and the like to do likewise. A control section carries out switching control of the switching devices and in such a manner that shifts from each other the phases of current Ida and current Idb to be supplied from the two boosting circuits and to a plurality of LED and the like connected in series in a light emitting section.

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