Total caching OLED display screen arrange control circuit
A technology of display screen and column control, which is applied in the direction of circuit, lamp circuit layout, energy-saving control technology, etc. It can solve the problem that the transmission utilization rate is only 50%, and achieve the effect of reducing the clock frequency, simplifying the circuit, and eliminating the loss of brightness
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[0056] A preferred embodiment of the present invention is described in detail as follows in conjunction with accompanying drawings:
[0057] This fully buffered OLED display column control circuit is based on figure 1 As shown in the conventional OLED column control circuit, the figure 1 The latch(25) and clrn(26) are changed to a synchronous signal, cp(21) is changed to a global clock signal, renamed to clk(41), and a serial enable signal cdena(48) is added, the signal is high When valid, allow serial lock into cdin (22), selector (32) at the same time, and add a selection signal sel (40), such as image 3 shown.
[0058] see image 3, the serializer (31) is a multi-group multi-bit band enable register, the register number of bits is the bit width of the accepted grayscale data, and multiple registers share the same clock terminal (global clock clk, 41) and enable terminal (serial enable cdena, 48), the input data of the first group of registers is the serial input signal...
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