National Changhua University of Education Institutional Repository : Item 987654321/11185
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题名: Application of Soft-Starting Technique to Improve Digital-Dimming Behavior for Backlight Module
作者: Lin, C. H.;Chen, Liang‐Rui;Pai, Kai-Jun
贡献者: 電機工程系
日期: 2003-10
上传时间: 2012-06-05T06:51:57Z
出版者: IEEE
摘要: This paper proposes a simple control method to improve the ignition behavior of cold cathode fluorescent lamp in digital-dimming control. The half-bridge resonant inverter is employed in the presented backlight system. To extend the lamp life, we realize a digital-dimming controller with soft-starting technique (DDC-SST) to reduce the high ignition voltage and to eliminate the ignition current spike. Complete analysis and design considerations are discussed in detail in this paper. Simulation and experimental results are close to the theoretical prediction. The overall efficiency of the system achieved at the rated power is over 91%. The ignition voltage is reduced about 30% without any lamp current spike occurred under digital-dimming operation.
關聯: IEEE INTELEC, Oct. 23, 2003: 727-732
显示于类别:[電機工程學系] 會議論文

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