GOA circuit and display panel

A circuit and node technology, applied in static indicators, instruments, etc., can solve the problems of abnormal display, GOA circuit stage transmission failure, GOA circuit working state is no longer continuous, etc., to achieve circuit stability, reduce the risk of stage transmission failure, Eliminate the effect of stopping the leakage path

Active Publication Date: 2019-02-12
WUHAN CHINA STAR OPTOELECTRONICS TECH CO LTD
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  • Abstract
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  • Application Information

AI Technical Summary

Problems solved by technology

In the integrated touch panel, because the display refresh time is separated, the panel usually uses the free time (that is, the pause time of the touch screen) to do touch scanning, so that the working state of the GOA circuit of the panel is no longer Continuous, the phenomenon of continuing to scan after scanning a certain number of levels and keeping it for a period of time
However, when the GOA circuit is in the holding state, it is easy to have insufficient circuit maintenance capability, which makes the GOA circuit stage failure and display abnormality
[0004] Therefore, there is an urgent need to provide a GOA optimization circuit that can overcome the problem of insufficient holding capacity of the GOA circuit when it is stopped in the touch screen, and eliminate the leakage path of the touch screen when it is stopped, so as to achieve the purpose of reducing the risk of GOA circuit stage transmission failure, so that The circuit is more stable

Method used

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  • GOA circuit and display panel
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Embodiment Construction

[0020] 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.

[0021] The terms "first", "second", "third", etc. (if any) in the description and claims of the present invention and the above drawings are used to distinguish similar objects and not necessarily to describe a specific order or sequentially. It should be understood that the items so described are interchangeable under appropriate circumstances. Furthermore, the terms "comprising" and "having", as well as any variations thereof, are intended to cover a non-exclusive in...

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Abstract

The invention discloses a GOA circuit and a display panel. Voltage control of a leakage path is realized through changing a gate signal of a seventh film transistor in a voltage stabilizing module; and the leakage path in a touch screen is eliminated through changing the signal.

Description

technical field [0001] The present invention relates to the technical field of liquid crystal display, in particular to a GOA (Gate Driver On Array, array substrate row driving) circuit and a display panel. Background technique [0002] GOA technology utilizes the existing thin-film transistor liquid crystal display array manufacturing process to fabricate gate row scanning drive signal circuits on the array substrate to form a scan drive for the liquid crystal panel. Compared with the traditional Chip on Film (COF) technology, GOA technology can not only greatly save the manufacturing cost, but also save the bonding process of COF on the gate side, which is also extremely beneficial to the increase of production capacity. Therefore, GOA is an important technology for the development of future display panels. [0003] At present, due to the mature development of integrated touch panel technology, it is widely used in high-end mobile phones. In the integrated touch panel, b...

Claims

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Application Information

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Patent Type & AuthorityApplications(China)
IPC IPC(8): G09G3/36
CPCG09G3/3648G09G3/3677G09G2310/0286
Inventor戴荣磊
OwnerWUHAN CHINA STAR OPTOELECTRONICS TECH CO LTD