GOA circuit

A circuit and electrode technology, applied in the direction of instruments, static indicators, etc., can solve the problems of increased power consumption of GOA modules and unfavorable narrow borders of liquid crystal display panels.

Active Publication Date: 2016-11-16
SHENZHEN CHINA STAR OPTOELECTRONICS TECH CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, large-size liquid crystal display panels have become the main development trend in the industry. With the increase of panel size and the number of gate drive lines, the load of GOA also increases accordingly, so the size

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Embodiment Construction

[0043] In order to further illustrate the technical means adopted by the present invention and its effects, the following describes in detail in conjunction with preferred embodiments of the present invention and accompanying drawings.

[0044] The present invention provides a GOA circuit, including: cascaded multi-level GOA circuit sharing unit, each level of GOA circuit sharing unit includes: first and second pull-up control modules 101, 102, first, second, second Three, and the fourth output modules 201, 202, 203, 204, the first and second pull-down modules 301, 302, and the pull-down maintenance module 400;

[0045] The first pull-up control module 101, the first output module 201, the second output module 202, and the first pull-down module 301 are all electrically connected to the first node Q(N); the second pull-up control module 102, the third output module 203, the fourth output module 204, and the second pull-down module 302 are all electrically connected to the sixt...

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Abstract

The invention provides a GOA circuit wherein neighboring four stage GOA units in a conventional GOA circuit are restructured into a GOA circuit shared unit via circuit structure design; in the GOA circuit shared unit, a first stage GOA unit and a second stage GOA unit share one control node, a third grade GOA unit and a fourth stage GOA unit share another control node, the neighboring four stage GOA units are enabled to share a pull-down maintaining module, the pull-down maintaining module of one stage is kept, pull-down maintaining modules of the other three grades can be removed, the number of thin film transistors in the GOA circuit can be reduced, wire distribution design can be lessened, reduction of GOA circuit design space can be facilitated so as to realize narrow bezel design, and power consumption of the GOA circuit can be lowered due to simplification of the GOA circuit.

Description

technical field [0001] The invention relates to the field of display technology, in particular to a GOA circuit. Background technique [0002] Liquid Crystal Display (LCD) has many advantages such as thin body, power saving, and no radiation, etc., and has been widely used. Such as: LCD TV, mobile phone, personal digital assistant (PDA), digital camera, computer screen or notebook computer screen, etc., occupy a dominant position in the field of flat panel display. [0003] GOA (Gate Driver on Array) technology is array substrate line drive technology, which uses the thin film transistor (Thin Film Transistor, TFT) liquid crystal display array process to manufacture the gate scanning drive circuit on the thin film transistor array substrate to realize progressive scanning. The driving method has the advantages of reducing the production cost and realizing the narrow frame design of the panel, and is used for various displays. The GOA circuit has two basic functions: the fi...

Claims

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Application Information

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IPC IPC(8): G09G3/36
CPCG09G3/3677
Inventor 刘徐君
Owner SHENZHEN CHINA STAR OPTOELECTRONICS TECH CO LTD
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