Scanning drive circuit, scanning driver and display device
A scanning driving circuit, scanning driving signal technology, applied in the field of scanning driver and display device, scanning driving circuit, can solve the problems of circuit complexity, large space, occupation, etc., to reduce the occupied space, reduce the number of use, simplify the scanning drive The effect of the circuit
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no. 1 example
[0027] figure 1 is a schematic diagram of the circuit structure of the scanning drive circuit in the first embodiment of the present invention, figure 2 It is a schematic diagram of the waveforms of the received signal and the output scan driving signal of the scan driving circuit according to the first embodiment of the present invention. In order to clearly describe the scanning driving circuit provided by the present invention, please also refer to figure 1 and figure 2 .
[0028] see figure 1 , the first embodiment of the present invention provides a scan driving circuit, including a first control module 101 , a second control module 102 and an output module 103 .
[0029] Wherein, the first control module 101 includes a first switch element M1, and the first switch element M1 includes a first control terminal, a first channel terminal and a second channel terminal. The first control end of the first switch element M1 receives the first clock signal SCK1, and the se...
no. 2 example
[0055] image 3 is a schematic diagram of the circuit structure of the scanning driving circuit according to the second embodiment of the present invention. In order to clearly describe the scanning driving circuit of the second embodiment of the present invention, please also refer to figure 2 and image 3 . The scan drive circuit of this embodiment is the same as figure 1 The scanning driving circuits shown are basically the same, the only difference is that the first control module 101 further includes a sixth switching element M6, and the output module 103 further includes a first capacitor C1 and a second capacitor C2.
[0056] Wherein, in an implementation manner, the specific implementation manners and beneficial effects of the first switching element M1 , the second switching element M2 and the third switching element M3 refer to the first embodiment, and will not be repeated here.
[0057] Among them, refer to image 3 , the sixth switch element M6 includes a si...
no. 3 example
[0074] Figure 4 is a block diagram of the scan driver according to the third embodiment of the present invention. In order to clearly describe the scan driver of the third embodiment of the present invention, please refer to Figure 4 .
[0075] The third embodiment of the present invention provides a scan driver, including at least one stage such as figure 1 or image 3 In the shown scan driving circuit, the specific implementation manners and beneficial effects of the scan driving circuit can refer to the first embodiment and the second embodiment, which will not be repeated here.
[0076] see Figure 4 , in one embodiment, it is assumed that the scan driver includes N-level scan drive circuits (N≥3), and the scan drive circuit of this level is the nth level drive circuit, wherein, N-1≥n≥1, the scan drive circuit of this level scans If the driving signal is SCANn, the upper-level scanning driving signal output by the scanning driving circuit with a difference of one le...
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