Shifting register, grid driving circuit, array substrate and display device

Abstract

The invention discloses a shifting register, a grid driving circuit, an array substrate and a display device. The shifting register comprises an input module and an output module and further comprises a grid signal generating module which is connected with the input module and the output module, wherein the input module comprises a first clock signal input end, a second clock signal input end, a third clock signal input end and a fourth clock signal input end, signals the same in phase and amplitude are input in the third clock signal input end and the second clock signal input end, and direct-current voltage signals are input in the fourth clock signal input end; the shifting register furthermore comprises a control module connected with the grid signal generating module, the control module comprises a seventh thin film transistor, a second capacitor and an eleventh thin film transistor, the third clock signal input end is connected with a grid of the seventh thin film transistor and a first end of the second capacitor, the fourth clock signal input end is connected with a source electrode of the eleventh thin film transistor, and the level of the point is a first level. Two sequence signals are added, in this way, discharging at the output ends is accelerated, and turn-off time of grid signals is shortened.

Description

technical field [0001] The invention relates to the technical field of liquid crystal display, in particular to a shift register, a gate drive circuit, an array substrate and a display device. Background technique [0002] In recent years, with the vigorous development of semiconductor technology, portable electronic products and flat panel display products are also emerging. Thin Film Transistor (TFT) liquid crystal display has gradually become a standard output device for various data products due to its advantages of low operating voltage, no radiation scattering, light weight and small size. A TFT liquid crystal display is generally composed of a matrix of pixels arranged in both horizontal and vertical directions. When a TFT liquid crystal display is displayed, a gate input signal is generated through a shift register, and each row of pixels is scanned sequentially from the first row to the last row. When designing a TFT liquid crystal display, it is necessary to desig...

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Problems solved by technology

[0006] The technical problem to be solved by the present invention is how to solve the problem of long discharge time of the gate signal, avoid affecting the charging time of the source, and shorten the turn-off time of the gate signal

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