A Pixel Circuit and Thin Film Transistor Backplane Compensating for Threshold Voltage Shift
A technology for voltage drift and threshold compensation. It is used in static indicators, instruments, etc., and can solve problems such as uneven current and uneven image display.
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[0021] The specific implementation manners of a pixel circuit for compensating threshold voltage drift and a thin film transistor backplane provided by an embodiment of the present invention will be described below with reference to the accompanying drawings.
[0022] A pixel circuit for compensating threshold voltage drift provided by the embodiment of the present invention has two implementation methods, the first one is as Figure 2a As shown, the structure of the pixel circuit specifically includes:
[0023] A signal loading module 21 and a driving module 22, wherein the signal loading module 21 is used to output the current frame data signal, and the driving module 22 includes a VDD signal source, a driving transistor T1, a storage capacitor C1, a p-type decay transistor T2 and an OLED D1, wherein, p The drain of the p-type attenuation transistor T2 is connected to the source of the drive transistor T1, the gate of the p-type attenuation transistor T2 is connected to the ...
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