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a goa circuit

A circuit, high-potential technology, applied in static indicators, instruments, etc., can solve problems such as circuit leakage, GOA circuit level transmission failure, abnormal display, etc., to suppress leakage, reduce risks, and stabilize GOA circuits.

Active Publication Date: 2019-03-22
WUHAN CHINA STAR OPTOELECTRONICS TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In this way, when the GOA circuit is in the holding state, it is easy to have the problem of circuit leakage, which makes the GOA circuit level transmission invalid and displays abnormally.

Method used

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Embodiment Construction

[0045] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the drawings in the embodiments of the present invention. Apparently, the described embodiments are only some of the embodiments of the present invention, but not all of them. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative efforts fall within the protection scope of the present invention.

[0046] see figure 1 , figure 1 The circuit diagram of the GOA circuit provided for the first preferred embodiment of the present invention. like figure 1 As shown, the first preferred embodiment of the present invention provides a GOA circuit, including multi-stage cascaded GOA units, and the nth level GOA unit includes: forward and reverse scanning control module 101, node control module 102, output module 103, An output control module 104 and an electric leakage su...

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Abstract

A GOA circuit. By providing a first electric leakage inhibition module (105), when an embedded touch control display panel enters a stage of signal stoppage and performing touch control scanning, electric leakage of a first node Q(n) is inhibited, so as to maintain a high potential of the first node Q(n), thus reducing the risk of stage transfer failure, enabling the GOA circuit to be more stable.

Description

technical field [0001] The invention relates to the field of liquid crystal display, in particular to a GOA circuit. Background technique [0002] GOA (Gate Driver on Array) technology is array substrate line drive technology, which uses the thin film transistor liquid crystal display array process to manufacture the gate scanning drive circuit on the thin film transistor array substrate to realize the driving method of progressive scanning. [0003] At present, with the mature development of the integrated touch panel technology, the display panel will choose to embed the touch display panel. In the embedded touch display panel, because the display refresh time is separated, the touch scanning is done in the free time (TP pause time), so the working state of the GOA circuit of the panel is no longer continuous, but every scan A certain number of stages, keep for a period of time, continue to scan. In this way, when the GOA circuit is in the holding state, the problem of c...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G09G3/36
CPCG09G3/3674
Inventor 洪光辉
Owner WUHAN CHINA STAR OPTOELECTRONICS TECH CO LTD