Red-green-blue-white display device and control method
A display device, white technology, applied in static indicators, instruments, etc., can solve the problems of large memory capacity and complex design of the front conversion comparison table 100, etc.
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[0053] Please refer to figure 2 , which shows the first embodiment of the RGBW display device of the present invention. The RGBW display device 200 includes a four-color conversion unit 210 , a dynamic backlight control unit 220 , a backlight module 230 , a source driver 270 , a gate driver 280 and a pixel array unit 290 . The pixel array unit 290 includes: a plurality of pixel units 295 having a data switch Qd, a liquid crystal capacitor Clc, and a storage capacitor Cst. The source driver 270 provides a plurality of data signals SD1-SDm; and the gate driver 280 provides a plurality of gate signals SG1-SGn to control the pixel unit 295 to receive the data signals SD1-SDm and output the backlight provided by the backlight module 230. The intensity makes the pixel array unit 290 present a picture image.
[0054] The four-color conversion unit 210 receives the three-color image input signals Ri, Gi, Bi, and a plurality of corresponding conversion amplification factors Ssca are...
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