A high-input-voltage backlight module driver for multi-lamp LCD panels

Yu Kang Lo*, Kai Jun Pai, Kuan Hung Wu, Huang Jen Chiu


研究成果: 雜誌貢獻期刊論文同行評審

1 引文 斯高帕斯(Scopus)


A half-bridge (HB) resonant inverter for driving a backlight module with multiple cold cathode fluorescent lamps (CCFLs) is proposed. Conventionally, a backlight module driving inverter is designed to operate with a low-input DC voltage. Therefore, a buck converter is required to step down the high-output DC voltage of a power factor correction (PFC) pre-regulator. The circuit cost is high and the conversion efficiency is low. In this letter, a high-input-voltage HB resonant inverter with only one transformer is used to drive multiple lamps. Analysis and design considerations are discussed in detail. Simulations and experimental results are close to the theoretical prediction.

頁(從 - 到)533-542
期刊International Journal of Circuit Theory and Applications
出版狀態已發佈 - 2011 5月

ASJC Scopus subject areas

  • 電子、光磁材料
  • 電腦科學應用
  • 電氣與電子工程
  • 應用數學


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