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GOA circuit and display device

A technology of circuits and resistors, which is applied in the field of display panels, can solve problems such as impedance differences, and achieve the effect of solving impedance differences

Active Publication Date: 2021-08-31
TCL CHINA STAR OPTOELECTRONICS TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The embodiment of the present invention provides a GOA circuit and a display device, which can effectively solve the problem of impedance difference caused by the connection lines of different lengths between the clock signal line and the row driving unit of the array substrate.

Method used

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  • GOA circuit and display device
  • GOA circuit and display device
  • GOA circuit and display device

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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] In the description of the present invention, it should be noted that unless otherwise specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection or a detachable connection. Connected, or integrally connected; it can be mechanically connected, or electrically connected, or can communicate with each other; it can be directly connected, or indirectly connected through...

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Abstract

The invention discloses a GOA circuit and a display device. The GOA circuit comprises a common signal line; the common signal line comprises a plurality of signal lines, at least one of the plurality of signal lines is provided with a resistance adjusting device, the resistance adjusting device is used for selecting different transmission paths according to received gating signals to obtain resistance values corresponding to the transmission paths, and further, the resistance value of the signal wire is changed. The resistance adjusting device is arranged on at least one of the signal wires to change the resistance value of the signal wire, so that the resistance values of all the signal wires are substantially the same, and the impedance borne by all the signal wires is also substantially the same; and by means of the design, the problem of impedance difference generated by connecting lines with different lengths between a clock signal wire and an array substrate row driving unit can be effectively solved.

Description

technical field [0001] The invention relates to display panel technology, in particular to a GOA circuit and a display device. Background technique [0002] Display devices mainly include liquid crystal display (LCD for short), plasma display panel (PDP for short), organic light emitting diode (OLED for short), active matrix organic electroluminescence (Active Matrix organic light emitting diode, referred to as AMOLED), has a broad application space in vehicles, mobile phones, tablets, computers and TV products. [0003] The gate driving circuit of the LCD panel mostly adopts a GOA (gate on array, array substrate row driving unit) circuit. The GOA circuit mainly includes the GOA common signal line circuit and the GOA unit circuit. The former refers to the wiring of each scan start signal and clock signal, and the latter refers to an independent unit including a complete GOA switch tube. [0004] Commonly used GOA public signal line circuit. It has clock signal traces CK1-...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G02F1/1362G02F1/1345
CPCG02F1/136286G02F1/13454G02F1/13452
Inventor 陈亚妮黄树楷
Owner TCL CHINA STAR OPTOELECTRONICS TECH CO LTD