Driving system of LCD and power supply
A liquid crystal display, power-driven technology, applied in static indicators, instruments, etc., can solve the problems of high cost of power-driven system and high cost of power-driven system of liquid crystal display
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[0017] FIG. 2 is a schematic diagram of the circuit structure of a preferred embodiment of the liquid crystal display of the present invention. The liquid crystal display 20 includes a power drive system 21 , an intelligent control board 26 and a liquid crystal display module 28 . The power drive system 21 provides power for the liquid crystal display 20 . The intelligent control board 26 is used to control the driving circuit of the liquid crystal display module 28 .
[0018] The liquid crystal display module 28 includes a pixel array 281 , a source driving circuit 282 and a gate driving circuit 283 . The source driving circuit 282 and the gate driving circuit 283 jointly drive the pixel array 281 . The gate driving circuit 283 needs to receive the gate working voltage VGH of +15.xV or +24.xV and the gate working voltage VGL of -10.xV or -6.xV, so as to output the scanning signal to the pixel array 281 . The source driving circuit 282 needs to receive the main operating vo...
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