Shifting register and operation method thereof, grid driving circuit and display device

A gate drive circuit, shift register technology, applied in circuits, static memory, digital memory information and other directions, can solve the problems of complex circuit, poor stability of amorphous silicon thin film transistor characteristics, etc., to reduce noise and achieve narrow frame design , the effect of improving stability

Inactive Publication Date: 2016-10-26
BOE TECH GRP CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] In the traditional amorphous silicon process, the characteristic stability of the amorphous silicon thin film transistor (amorphous-Si TFT) is poor, and the circuit designed by it for display driving is relatively complicated

Method used

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  • Shifting register and operation method thereof, grid driving circuit and display device
  • Shifting register and operation method thereof, grid driving circuit and display device
  • Shifting register and operation method thereof, grid driving circuit and display device

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Embodiment Construction

[0024] The following will clearly and completely describe the technical solutions in the embodiments of the present disclosure with reference to the accompanying drawings in the embodiments of the present disclosure. Apparently, the described embodiments are only some of the embodiments of the present disclosure, not all of them. Based on the embodiments in the present disclosure, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present disclosure.

[0025] The transistors used in all embodiments of the present disclosure may be thin film transistors or field effect transistors or other devices with the same characteristics. In this embodiment, the connection manners of the drain and the source of each transistor can be interchanged, therefore, there is actually no difference between the drain and the source of each transistor in the embodiments of the present disclosure. Here, only to ...

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Abstract

The present invention provides a shifting register and an operation method thereof, a grid driving circuit and a display device. The shifting register comprises: an input module (11), wherein a first end is connected with the input end of the shifting register and is configured to receive input signals from the input end, a second end is connected with a first clock signal end, and a third end is connected with a first node; a pull-up module (12), wherein the first end is connected with a first power supply voltage end, a second end is connected with a second node, and a third end is connected with an output end; a pull-up control module (13), wherein the first end is connected with the first clock signal end, the second end is connected with a second supply voltage end, the third end is connected with the second node, and the fourth end is connected with the first node; an output module (14), wherein the first end is connected with the first node, the second end is connected with the second clock signal end, and the third end is connected with the output end; and a noise reduction module (15), wherein the first end is connected with the second node, the second end is connected with the second clock signal end, the third end is connected with the first supply voltage end, and the fourth end is connected with the first node. The noise of the output end can be effectively reduced.

Description

technical field [0001] The present disclosure relates to a shift register and an operation method thereof, a gate driving circuit and a display device. Background technique [0002] Thin film transistor liquid crystal display (TFT-LCD) is widely used in various fields of production and life, and it adopts a progressive scan matrix display with M*N dot arrangement. When displaying, the TFT-LCD drives each pixel in the display panel to display through a driving circuit. The driving circuit of TFT-LCD mainly includes gate driving circuit and data driving circuit. Wherein, the data driving circuit is used for sequentially latching the input data according to the timing of the clock signal and converting the latched data into analog signals to be input to the data lines of the display panel. The gate driving circuit is usually realized by a shift register, and the shift register converts the clock signal into an on / off voltage, which is respectively output to each gate line of ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G09G3/36G11C19/28
CPCG09G3/3677G09G2310/0286G11C19/28G09G3/20G09G2310/0267G09G3/36H01L27/1214
Inventor 马占洁
Owner BOE TECH GRP CO LTD
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