Electrical and Thermal Characteristics of a Burst Dimming Piezoelectric Inverter

버스트 디밍 압전인버터의 전기적 특성 및 온도 특성

  • Published : 2006.09.01


This paper explains the design and fabrication of an inverter for LCD backlight using a multilayer piezoelectric transformer. That inverter is operated by the burst dimming method whose dimming signal is controlled by the duty ratio of rectangular switching signal to a PWM controller. The brightness of CCFL's are investigated according to the various dimming signals, and when those CCFL's are turned on, the temperature distributions on the piezoelectric transformer and circuit components of the inverter are also investigated by a thermo-camera.


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