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goa circuit and display panel

A circuit and potential technology, applied in the field of GOA circuits and display panels, can solve the problems of poor GOA circuit level transmission stability and other problems

Active Publication Date: 2021-03-16
WUHAN CHINA STAR OPTOELECTRONICS TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The purpose of the embodiments of the present application is to provide a GOA circuit and a display panel, which can solve the technical problem of the existing high-resolution display panel's poor step-by-step stability of the GOA circuit

Method used

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Embodiment Construction

[0041] The technical solutions in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application. Apparently, the described embodiments are only some of the embodiments of this application, not all of them. Based on the embodiments in this application, all other embodiments obtained by those skilled in the art without making creative efforts belong to the scope of protection of this application.

[0042] The transistors used in all embodiments of this application can be thin film transistors or field effect transistors or other devices with the same characteristics. Since the source and drain of the transistors used here are symmetrical, their source and drain can be interchanged. of. In the embodiment of the present application, in order to distinguish the two poles of the transistor except the gate, one pole is called the source, and the other pole is called the drain. ...

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Abstract

In the GOA circuit and display panel provided by the embodiment of the present application, by setting a reset module in each level of GOA unit, each level of GOA unit can output a high potential before the end of a frame, and all display areas can be turned off. The poles are turned on, and the charges of all pixels in the display area are discharged; after that, each level of GOA unit outputs a low potential, and all grids in the display area are set to a low potential; and normal black-sweeping ability; and can improve the step-by-step stability of the GOA circuit of the high-resolution display panel.

Description

technical field [0001] The present application relates to the field of display technology, in particular to a GOA circuit and a display panel. Background technique [0002] Gate Driver On Array, referred to as GOA, is a technology that utilizes the existing thin-film transistor liquid crystal display array process to fabricate the line scan drive signal circuit on the array substrate to realize the drive mode of scanning line by line. [0003] As the resolution of the display panel becomes higher and the number of scanning lines increases, the probability of stage transmission errors also increases. At the same time, abnormal power failures may occur during customer operations. If there is no The functions of power-off, black-sweeping and reset often cause residual charge and cause abnormal display. Therefore, the cascading stability of the GOA circuit of the high-resolution display panel is poor. Contents of the invention [0004] The purpose of the embodiments of the p...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G09G3/36
CPCG09G3/3674G09G3/3266G09G2300/0408G09G2310/0286G11C19/28G09G3/20G09G2310/08
Inventor 陶健
Owner WUHAN CHINA STAR OPTOELECTRONICS TECH CO LTD