Dielectric barrier discharge lamp lighting device

Details Dielectric barrier discharge lamp lighting device Dielectric barrier discharge lamp lighting device

2006-03-27

2010-12-14

Owens, Douglas W (Department: 2821)

Electric lamp and discharge devices: systems

Load device in the primary and secondary circuit of the...

C315S2090SC, C315S219000

Reexamination Certificate

active

07852008

ABSTRACT:
A dielectric barrier discharge lamp lighting device includes a transformer that supplies a driving voltage to a dielectric barrier discharge lamp from a secondary coil, and a driving circuit that controls an input voltage to the transformer to supply a driving voltage with a driving frequency fd to the dielectric barrier discharge lamp. The self-resonant frequency fr of the secondary coil, which is measured with the primary coil of the transformer being open, is equal to the driving frequency fd or a frequency in the vicinity of the driving frequency fd. This frequency fr satisfies, for example, 0.9 fd≦fr≦1.3 fd.

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