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The grayscale resolution of liquid crystal displays (LCDs) can be improved by modulating the grayscale of the pixels in LCDs or by dimming the LCD backlight source. Changing the voltage or turned-on time of a pixel to achieve high-resolution grayscale requires either an accurate digital-to-analog converter or a very high frequency pulsewidth modulation (PWM) signal, which increases hardware cost and...
Set the date range to filter the displayed results. You can set a starting date, ending date or both. You can enter the dates manually or choose them from the calendar.