LED (Light-Emitting Diode) display screen pulse control method capable of eliminating dynamic false contour
A technology of LED display and dynamic false contour, which is applied to static indicators, instruments, etc., can solve problems such as wrong display content, achieve the effect of concentrating the luminous time and avoiding the phenomenon of dynamic false contour
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[0025] Such as figure 2 , Figure 5 A specific embodiment of the present invention is shown, the embodiment is to set the fractional field at the middle position of the entire gray field. The specific method is as follows:
[0026] On the basis of the existing gated pulse width modulation technology, according to the binary code of the input gray level, the input gray level bits are divided into two parts according to the pulse width, and the integer weight bits (bits whose pulse width is greater than one subfield) and fractional weight bits (bits with a pulse width less than one subfield);
[0027] The fractional weight bit is still implemented according to the existing pulse width modulation method, but the position of the implementation is changed, such as figure 2 As shown, the decimal place is no longer implemented at the beginning or end of a field, but in the middle of a field;
[0028] The integer weight bit does not divide the weight, and calculates the number N...
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