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goa circuit and display panel

一种电路、非门电路的技术，应用在静态指示器、数字存储器信息、仪器等方向，能够解决不利于缩小显示面板侧向边框等问题，达到节省布线空间、减小边框尺寸、减少数量的效果

Active Publication Date: 2021-07-23
WUHAN CHINA STAR OPTOELECTRONICS TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The GOA circuit includes multiple GOA units cascaded. At present, each GOA unit of the GOA circuit is used to output a gate drive signal to control a row of pixel units of the display panel for display. Since the GOA circuit still uses a large number of thin film transistors , so it is not conducive to shrinking the lateral bezels of the display panel

Method used

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Examples

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Embodiment Construction

[0034] 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.

[0035] In all the embodiments of the present application, two electrodes other than the gate of the transistor are distinguished, one of which is called the source, and the other is called the drain. Since the source and drain of a transistor are symmetrical, its source and drain are interchangeable. According to the form in the accompanying drawings, it is stipulated that the middle terminal of the transistor is the gate, the signal input terminal is the source terminal, and th...

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PUM

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Abstract

The application provides a GOA circuit and a display panel. The front and back scanning modules of each level of GOA unit and the first latch module are common parts, the second latch module includes a plurality of parallel NAND circuits, and the buffer output module includes A plurality of buffer output circuits connected in parallel, wherein a plurality of NAND gate circuits are connected to a plurality of buffer output circuits one by one, and each buffer output circuit can output a gate scanning signal, so that each stage of GOA unit can output Multiple gate scan signals. Each level of GOA unit in the GOA circuit of the present application is equivalent to multiple cascaded GOA units in the traditional GOA circuit, and can output multiple gate scanning signals in sequence, so that each level of GOA unit can control the display panel. Multiple rows of pixel units are used to display, thereby reducing the number of thin film transistors included in the GOA circuit, saving the wiring space of the GOA circuit, and further reducing the frame size of the 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] GOA (Gate Driver On Array) technology integrates the gate drive circuit of the display panel on the glass substrate to form a scan drive for the display panel. GOA technology can reduce the bonding process of external ICs, reduce product costs, and is more suitable for making display products with narrow borders or no borders. [0003] Because the GOA circuit is integrated on the glass substrate, it needs to occupy the areas on both sides of the display panel. With the continuous upgrading of consumption, the requirements for display products with narrow borders or no borders are also getting higher and higher. The GOA circuit includes a plurality of cascaded GOA units. At present, each GOA unit of the GOA circuit is used to output a gate drive signal to control a row of pixel units of the display panel ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G09G3/20
CPCG09G3/20G11C19/28G09G2310/0267G09G2310/0286G09G2300/0408G09G2230/00G09G2310/0283G09G3/2092G09G2310/0291G09G2310/061
Inventor 陶健滕飞郭军辉
Owner WUHAN CHINA STAR OPTOELECTRONICS TECH CO LTD