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开发了一种用于液晶显示器的RGB-LED背光源中的新型集成电源型的LED模块(IPLM)驱动系统。传统驱动方案中的DC-DC压降转换电路被集成到了主电源电路中,恒流控制电路被合并到了LED模块中。因此,传统背光源中的这两部分驱动板都被省略了。
Developed a new integrated power LED module (IPLM) drive system for RGB-LED backlighting in liquid crystal displays. The DC-DC voltage drop conversion circuit in the conventional driving scheme is integrated into the main power circuit, and the constant current control circuit is incorporated into the LED module. Therefore, both of the driver boards in the conventional backlight are omitted.