Light emitting apparatus and control method therefor

Details Light emitting apparatus and control method therefor Light emitting apparatus and control method therefor

2007-01-16

2010-12-14

Owens, Douglas W (Department: 2821)

Electric lamp and discharge devices: systems

Current and/or voltage regulation

C315S18500S

Reexamination Certificate

active

07852016

ABSTRACT:
A light emitting apparatus and control method are provided. The light-emitting apparatus includes a light emitting part; a power supplying part; a switching part which is serially coupled to the light emitting part; and a control part which compares a switch voltage level with a comparison level, and controls the power supplying part to supply the driving power having a voltage level decreased by a reference level if the switch voltage level is higher than the comparison level. The control method includes supplying a driving power to the light emitting part; emitting light; measuring a switch voltage level across the switching part, and decreasing a voltage level of the driving power by a reference level if the switch voltage level is higher than the comparison level.

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