| 摘要 |
This invention aims to decrease the leakage current of a dielectric barrier discharge lamp, and to prevent generation of the luminance slope between both electrodes. Electrodes 3 and 4 are formed in the outer surface of the dielectric barrier discharge lamp 1, and the high voltage side of the high frequency power sources 5 and 6 is connected to the electrodes 3 and 4, respectively. The low voltage side of the high frequency power sources 5 and 6 is connected to the grounding voltage GND. The output voltage waveform of the high frequency power sources 5 and 6 have different phases each other and inverted polarities each other.
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