压电陶瓷变压器CCFL背光电源研究  

Study of Piezoelectric Ceramic Transformer in the CCFL Backlight Power

作　　者：柴荔英[1] 张金城[1] 高守香[1] 章强[1] 

机构地区：[1]湖北大学材料科学与工程学院,湖北武汉430062

出　　处：《中国材料科技与设备》2007年第3期71-73,共3页Chinese Materials Science Technology & Equipment

基　　金：湖北省教育厅自然科学基金资助重点项目（2004D009）;湖北省铁电材料与器件重点实验室（湖北大学）开放基金项目

摘　　要：以压电陶瓷变压器为升压器件，以脉宽调制器（PWM）和MOSFEET管所组成的开关振荡器为驱动电．路，研制出适用于液晶显示器的压电陶瓷变压器背景光高压电源。由于压电陶瓷变压器具有体积小、重量轻、不会打火、不会燃烧、不怕短路等优点，不仅提高了液晶显示器整机的可靠性，而且能适应当前电子产品小型化、轻型化的发展需要。A kind of high voltage power based on piezoelectric ceramic transformer was manufactured, and the drive circuit was the switch oscillator of pulse width modulator（PWM） and MOSFET. The high voltage power is suitable for liquid crystal display. The piezoelectric ceramic transformer has many novel features： small volume, light weigh, no striking spark, no combustion, no short circuit etc. These advantages not only can improve the reliability of the liquid crystal display but also satisfy the demands of the electron products of miniaturization and portability.

关 键 词：压电陶瓷变压器(PCT) 液晶显示器 冷阴极灯 背光电源 

分 类 号：TN141[电子电信—物理电子学]