Driving device for providing light dimming control of...

Details Driving device for providing light dimming control of... Driving device for providing light dimming control of...

2011-05-31

2011-05-31

Vo, Tuyet Thi (Department: 2821)

Electric lamp and discharge devices: systems

Pulsating or a.c. supply

With power factor control device

C315S18500S, C315S291000, C315S309000, C315S312000

Reexamination Certificate

active

07952297

ABSTRACT:
A driving device includes a first switch element to switch between applying or not applying to a light-emitting element a voltage directed to setting the light-emitting element in an ON state, and a constant current control circuit to adjust a current flowing through the light-emitting element when the light-emitting element is in an ON state to a predetermined current value.

REFERENCES:
patent: 7206015 (2007-04-01), Tang et al.
patent: 7262584 (2007-08-01), Crawford et al.
patent: 2006/0022918 (2006-02-01), Tang et al.
patent: 2007/0159750 (2007-07-01), Peker et al.
patent: 2007/0268239 (2007-11-01), Lin et al.
patent: 2008/0079371 (2008-04-01), Kang et al.
patent: 2006-324671 (2006-11-01), None

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