Shifting register and alloy substrate electrode driving device

Abstract

The embodiment of the invention provides a shifting register and an alloy substrate electrode driving device, and aims at shortening the operation time of a part of thin film transistors, improving the stability of the shifting register and also reducing the energy consumption of the shifting register. The shifting register comprises a pull-up node charging unit, an output unit, a pull-down control unit, a pull-up node discharging unit and an output discharging unit, wherein the output discharging control unit is used for responding to an input signal, used for providing a second voltage signal to the pull-up node discharging unit through a fourth node of the output discharging control unit, and used for responding to a reset signal to provide a first voltage signal to the pull-up node discharging unit through the fourth node of the output discharging control unit.

Description

technical field [0001] The invention relates to the technical field of liquid crystal display, in particular to a shift register and an array substrate gate driving device. Background technique [0002] The TFT-LCD driver of the thin film transistor liquid crystal display mainly includes a gate driver and a data driver, wherein the gate driver converts the input clock signal through a shift register and then adds it to the gate line of the liquid crystal display panel. The gate driving circuit is formed in the same process as that of the TFTs and is simultaneously formed on the LCD panel together with the TFTs. The gate driving circuit includes a shift register having multiple stages. Each stage is connected to a corresponding gate line to output a gate driving signal. The stages of the gate drive circuit are connected to each other, the start signal is input to the first stage of each stage and the gate drive signal is sequentially output to the gate line, wherein the inp...

AI Technical Summary

Problems solved by technology

However, the drift of the threshold voltage of the transistor itself and the interference of adjacent transistors in the gate drive circuit may cause problems such as poor working stability of the shift register and a decrease in its own life; at the same time, since the duty cycle of the clock signal CLKB is 50%, the response Because the thin film transistor of CLKB is always on for about 50% of the time, resulting in a large power consumption of the shift register

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