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Array substrate

An array substrate and substrate technology, applied in semiconductor devices, electrical components, circuits, etc., can solve the problems affecting the parameters of thin film transistors and the driving effect

Pending Publication Date: 2021-10-08
KUNSHAN GO VISIONOX OPTO ELECTRONICS CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the thin film transistors included in the existing array substrates often have a back channel effect (Back Channel Effect). When charges are accumulated on the substrate or there is a voltage change, the parameters of the thin film transistors will be affected, thereby affecting the driving effect.

Method used

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Embodiment Construction

[0023] The characteristics and exemplary embodiments of various aspects of the present invention will be described in detail below. In order to make the purpose, technical solutions and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments. It should be understood that the specific embodiments described here are only configured to explain the present invention, not to limit the present invention. It will be apparent to one skilled in the art that the present invention may be practiced without some of these specific details. The following description of the embodiments is only to provide a better understanding of the present invention by showing examples of the present invention.

[0024] It should be noted that in this article, relational terms such as first and second are only used to distinguish one entity or operation from another entity or operation...

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Abstract

The invention discloses an array substrate, a manufacturing method thereof and a display panel. The array substrate comprises a substrate; pixel circuits which are arranged on the substrate in an array mode, wherein each pixel circuit comprises a thin film transistor; and a shielding layer which is located between at least one thin film transistor and the substrate, wherein the shielding layer and the thin film transistor are insulated and spaced, and the shielding layer has fixed charges. According to the array substrate provided by the embodiment of the invention, the shielding layer is arranged on the side, facing the substrate, of the thin film transistor, and the shielding layer has fixed charges, so that the shielding layer has fixed potential. When charge accumulation or voltage change exists on the substrate or on the outer side of the substrate, the shielding layer can shield the influence of charge change or voltage change on the thin film transistor, and the interference of the back channel effect is weakened.

Description

technical field [0001] The present invention relates to the display field, in particular to an array substrate, a manufacturing method thereof, and a display panel. Background technique [0002] The active matrix (Active Matrix, AM) driving technology is a display panel driving technology that uses thin film transistor (Thin Film Transistor, TFT) devices to create active pixels. The active matrix technology is implemented relying on an array substrate, wherein the array substrate includes a plurality of pixel circuits arranged in an array, and each pixel circuit can be electrically connected to a corresponding sub-pixel. [0003] In the prior art array substrates, multiple film layers are usually stacked on the substrate to obtain thin film transistors. However, the thin film transistors included in the existing array substrates often have a back channel effect (Back Channel Effect). When charges are accumulated on the substrate or voltage changes, the parameters of the thi...

Claims

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Application Information

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IPC IPC(8): H01L27/12H01L27/32
CPCH01L27/1214H01L27/1248H10K59/12
Inventor 郑士嵩
Owner KUNSHAN GO VISIONOX OPTO ELECTRONICS CO LTD
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