Bi-directional light emitting diode drive circuit in pulsed...

Details Bi-directional light emitting diode drive circuit in pulsed... Bi-directional light emitting diode drive circuit in pulsed...

2009-01-12

2011-11-29

Ismail, Shawki S (Department: 2819)

Electric lamp and discharge devices: systems

Current and/or voltage regulation

Plural load device regulation

C315S250000, C315S307000

Reexamination Certificate

active

08067901

ABSTRACT:
The present invention is characterized by using capacitive, inductive or resistive impedance to constitute the first impedance which is series connected with the second impedance constituted by parallel connecting the capacitive and inductive impedances that appears parallel resonance with the pulsed period to receive pulsed power, thereby to form a divided bidirectional power at the two ends of the first and second impedances, so as toe drive the bidirectional conducting light emitting diode.

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patent: 7868561 (2011-01-01), Weightman et al.
patent: 2006/0197466 (2006-09-01), Park
patent: 2008/0211421 (2008-09-01), Lee et al.
patent: 2008/0231204 (2008-09-01), Praiswater et al.

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