In this paper, an optimum power consumption driving circuit is design for multi-area control method of Color Sequential applying on TFT-LCD Display LED backlight module. Use buck converter and boost converter structures design two different-type LED driver circuits, and measure the power consumption of two types. Finally, the boost converter structure has lower power consumption, and better than buck converter structure. The power consumption compares with boost converter structure and white light LED both applying on backlight module of 15.4 inch TFT LCD Panel, the boost converter structure can be reduced 20% of backlight power consumption.
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