Scanning drive circuit and display panel for light-emitting diode display
A scan drive circuit and scan drive technology, applied to static indicators, instruments, etc., can solve problems such as complex implementation process and drive mode, threshold voltage drift, and display brightness differences, so as to improve display effects, reduce differences, and solve problems. drift effect
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[0015] The present invention will be described in detail below in conjunction with the accompanying drawings and embodiments.
[0016] see figure 2 , figure 2 It is a structural schematic diagram of an embodiment of the scanning driving circuit of the present invention. As shown in the figure, the scanning driving circuit 20 includes a plurality of cascaded scanning driving units 201 .
[0017] see image 3 , image 3 It is a schematic diagram of the circuit principle of an embodiment of the scanning drive unit of the present invention. like image 3 As shown, the scan driving unit 30 in this embodiment is used to receive the upper-level step-by-step signal ST(N-1), the upper-level first scan signal G1(N-1), the lower-level first scan signal G1( N+1), the first clock signal CKA and the second clock signal CKB to output the stage transmission signal ST (N), the first scanning signal G1 (N) of the stage, and the second scanning signal G2 (N) of the stage The duty cycle o...
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