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Display panel, gate driving circuit driving method and display device

A gate drive circuit and a technology for a display panel are applied to the display panel, a gate drive circuit drive method, and the field of display devices, and can solve problems such as unfavorable normal operation of the display device, influence on characteristics, and threshold voltage shift.

Inactive Publication Date: 2020-09-18
WUHAN CHINA STAR OPTOELECTRONICS TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, there are different electrical characteristics between low-temperature polysilicon and oxide. When the oxide transistor is biased for a long time or operated at high temperature, the threshold voltage drift will occur. In order to suppress the threshold voltage drift, it is necessary to adjust the gate voltage; and adjust the gate voltage When the voltage is high, it will affect the characteristics of the surrounding low-temperature polysilicon transistors, which is not conducive to the normal operation of the display device.

Method used

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  • Display panel, gate driving circuit driving method and display device
  • Display panel, gate driving circuit driving method and display device
  • Display panel, gate driving circuit driving method and display device

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Embodiment Construction

[0048] 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.

[0049] In the description of the present application, it should be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", " Orientation indicated by rear, left, right, vertical, horizontal, top, bottom, inside, outside, clockwise, counterclockwise, etc. The positional relationship is based on the orientation or positional relationship shown in the drawings, which is only for the convenience of describing the a...

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Abstract

The invention discloses a display panel, a gate driving circuit driving method and a display device, the display panel comprises a display area and a non-display area, and the display panel comprisesa pixel driving circuit located in the display area and a gate driving circuit located in the non-display area; the gate drive circuit is connected with a first voltage end and a second voltage end; the first voltage end is used for switching off a driving transistor connected with the output end of the gate driving circuit in the pixel driving circuit; the second voltage end is used for turning off an output transistor in the gate drive circuit so as to restrain drifting of threshold voltage of the drive transistor in the pixel drive circuit, and reliability of the drive transistor and faulttolerance of the display panel are improved.

Description

technical field [0001] The present application relates to the field of display technology, and in particular to a display panel, a method for driving a gate drive circuit, and a display device. Background technique [0002] The backplane made of low-temperature polycrystalline oxide technology combines the advantages of low-temperature polysilicon backplane technology and oxide backplane technology, and the obtained display device can realize high-low frequency switching, which is beneficial to the display device to save power consumption and improve the display image. qualitative purpose. However, there are different electrical characteristics between low-temperature polysilicon and oxide. When the oxide transistor is biased for a long time or operated at high temperature, the threshold voltage drift will occur. In order to suppress the threshold voltage drift, it is necessary to adjust the gate voltage; and adjust the gate voltage When the voltage is low, it will affect t...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G09G3/36G09G3/32G09G3/3266
CPCG09G3/3677G09G3/32G09G3/3266
Inventor 陶健
Owner WUHAN CHINA STAR OPTOELECTRONICS TECH CO LTD
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