Backlight Inverter for Desktop LCD Displays

Posted on Sep 7, 2012

Large LCD (liquid crystal display) displays designed to replace CRTs (cathode ray tubes) in desktop computer applications are becoming available. The LCDs reduced size and power requirements allow much smaller product size, a highly desirable feature.

CRT replacement requires a 10W to 20W inverter to drive the CCFL (cold cathode fluorescent lamp) that illuminates the LCD. Additionally, the inverter must provide the wide dimming range associated with CRTs, and it must have safety features to prevent

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