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GOA circuit and display panel

A circuit and voltage technology, applied in the field of GOA circuits and display panels, can solve the problems of the GOA circuit being too large and not suitable for narrow-frame products, etc., so as to reduce the risk of abnormal power-on lighting images, reduce the circuit layout area, and reduce defective products. Effect

Active Publication Date: 2022-07-12
GUANGZHOU CHINA STAR OPTOELECTRONICS SEMICON DISPLAY TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] Based on this, it is necessary to provide a GOA circuit and a display panel for the technical problem that the size of the GOA circuit in the prior art is too large to be suitable for narrow frame products.

Method used

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  • GOA circuit and display panel
  • GOA circuit and display panel
  • GOA circuit and display panel

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Embodiment Construction

[0051] In order to facilitate understanding of the present application, the present application will be described more fully below with reference to the related drawings. Preferred embodiments of the present application are shown in the accompanying drawings. However, the application may be implemented in many different forms and is not limited to the embodiments described herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

[0052] It should be noted that when an element is referred to as being "connected" to another element, it can be directly connected to and integrated with the other element, or intervening elements may also be present. The terms "installed," "one end," "the other end," and similar expressions used herein are for illustrative purposes only.

[0053] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the technica...

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Abstract

The invention relates to a GOA circuit and a display panel, the GOA circuit comprises a plurality of cascaded GOA units, if the nth-stage GOA unit is the previous two-stage GOA unit, a pull-up and pull-down control module is connected with a GSP signal, an (m-2) th-stage clock signal line and a first node, otherwise, the pull-up and pull-down control module is connected with the signal output end of the (n-2) th-stage GOA unit, the (m-2) th-stage clock signal line and the first node; the pull-up and pull-down module is respectively connected with the mth-level clock signal line, the first node and the second node; the capacitor module is connected with the first node and the second node. The noise elimination module is respectively connected with an mth-level clock signal line, a first node, a second node and a third node, and the third node is connected with a first low-level signal; and if the nth GOA unit is the previous three-stage GOA unit, the first clearing module is respectively connected with a VSS signal, a first node and a third node, otherwise, the first clearing module is respectively connected with a GSP signal, the first node and the third node. According to the GOA circuit, the periodic clock signals are matched with the TFTs, so that the wiring number of the GOA circuit and the circuit layout area are effectively reduced.

Description

technical field [0001] The present application relates to the field of display technology, and in particular, to a GOA circuit and a display panel. Background technique [0002] With the continuous iterative development of display technology, from the current traditional liquid crystal display panels to the self-emissive display panels that are relatively sturdy in the market recently, a gate on array (GOA) is required in the panel driving structure to provide the required panels. the gate drive signal so that the panel can work normally. [0003] However, for the existing technology, the NMOS process technology mainly focuses on the development of GOA circuits for large-sized related products, and the development of small and medium-sized GOA circuits is relatively rare. Therefore, the existing GOA circuits cannot be applied to the product specifications of narrow bezels on the market. SUMMARY OF THE INVENTION [0004] Based on this, it is necessary to provide a GOA circ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G09G3/36
CPCG09G3/36G09G2310/0264G09G2310/0245G09G2310/0243
Inventor 赖谷皇
Owner GUANGZHOU CHINA STAR OPTOELECTRONICS SEMICON DISPLAY TECH CO LTD
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