Shift register unit, drive method therefor, grid drive circuit, and display device

A technology of shift register and potential, which is applied in the field of shift register unit and its drive, display device, and gate drive circuit, and can solve the problems of affecting the normal display of the display, pulling down the gate scanning signal, and no signal output, etc.

Active Publication Date: 2016-11-16
BOE TECH GRP CO LTD +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, due to the leakage current of the thin film transistor in the shift register unit, after the touch scan signal is input, when the output terminal of the shift register uni

Method used

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  • Shift register unit, drive method therefor, grid drive circuit, and display device
  • Shift register unit, drive method therefor, grid drive circuit, and display device
  • Shift register unit, drive method therefor, grid drive circuit, and display device

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Embodiment Construction

[0036] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0037] An embodiment of the present invention provides a shift register unit, such as figure 1 As shown, it includes a first input module 10 , a second input module 20 , a pull-up module 30 , a pull-down control module 40 , a touch pull-down module 50 , a charging module 60 and a noise reduction module 70 .

[0038] Wherein, the first input module 10 is connected to the first signal input terminal IN1, the first voltage terminal V1 and the pull-up node PU, and...

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PUM

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Abstract

The embodiment of the invention provides a shift register unit, a drive method therefor, a grid drive circuit and a display device, relates to the technical field of display, enables a touch control scanning signal and a grid scanning signal not to interfere with each other, and prevents a grid scanning signal outputted by the shift register unit from being pulled down or avoids a condition of no signal output. The shift register unit comprises a first input module which enables a signal of a first voltage end to be outputted to a pull-up node; a second input end which enables a signal of a second voltage end to be outputted to the pull-up node; a pull-up module which enables a signal of a first clock signal input end to be outputted to a signal output end; a pull-down control module which enables the signals of the first clock signal input end, a second clock signal input end or a third voltage end to be outputted to a pull-down node; a touch control pull-down module which enables the level of the signal output end to be pulled down to a third voltage end; a charging module which enables the signal of a touch control signal control end to be outputted to the pull-up node; and a noise reduction module which enables the levels of the pull-up node and the signal output end to the third voltage end.

Description

technical field [0001] The present invention relates to the field of display technology, in particular to a shift register unit, a driving method thereof, a gate driving circuit, and a display device. Background technique [0002] TFT-LCD (Thin Film Transistor Liquid Crystal Display, Thin Film Transistor-Liquid Crystal Display) or OLED (Organic Light Emitting Diode, Organic Light Emitting Diode) display is provided with an array substrate, wherein, the array substrate can be divided into display area and display area peripheral wiring area. Wherein the peripheral area is provided with a gate drive circuit for progressively scanning the gate lines. Existing gate drive circuits often use GOA (GateDriver on Array, array substrate row drive) design to integrate TFT (Thin Film Transistor, Thin Film Field Effect Transistor) gate switch circuits in the above peripheral area to form gate drive circuits. [0003] In addition, with the continuous development of touch (Touch) technol...

Claims

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Application Information

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IPC IPC(8): G09G3/20G11C19/28
CPCG09G3/20G09G2310/0286G11C19/28
Inventor 古宏刚邵贤杰宋洁李磊许徐飞
Owner BOE TECH GRP CO LTD
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