Liquid crystal panel dark spot repair method and array substrate structure

Abstract

The invention provides a liquid crystal panel dark spot repair method and an array substrate structure. The liquid crystal panel dark spot repair method comprises the steps that after a display abnormal pixel of a liquid crystal panel is detected, connection of a data line and a source electrode of a corresponding thin film transistor is cut off on the region, corresponding to the display abnormal pixel, of an array substrate, a corresponding pixel electrode and a middle common electrode wire are connected in a film forming mode, due to the fact that the middle common electrode wire is equal to the common electrode on the color film substrate side in potential, the voltage difference between the array substrate of the liquid crystal panel and the region, where the display abnormal pixel is located, of the color film substrate is 0, and the abnormal pixel is in the dark state; due to the fact that the pixel electrode and the middle common electrode wire are located on the same layer, the middle common electrode wire and the corresponding pixel electrode are connected in the film forming mode to achieve dark spot repair, compared with an existing punching repairing mode, working procedures are simplified, no disturbance caused by a color resistance layer in a COA type liquid crystal panel is avoided, and the display abnormal pixel repair success rate can be increased.

Description

technical field [0001] The invention relates to the field of display technology, in particular to a liquid crystal panel dark spot repair method and an array substrate structure. Background technique [0002] Thin Film Transistor Liquid Crystal Display (TFT-LCD) is widely used in televisions, mobile phones, computers and other fields due to its advantages of large size, high integration, powerful functions, flexible process, and low cost. Mainstream display. [0003] Liquid crystal display panel, referred to as liquid crystal panel, is the main part of TFT-LCD. It usually consists of a color filter substrate (ColorFilter, CF), a thin film transistor array substrate (Thin Film Transistor Array Substrate, TFTArray Substrate) and a filling on the two substrates. The working principle is to control the rotation of the liquid crystal molecules in the liquid crystal layer by applying a driving voltage on the two glass substrates, and refract the light from the backlight module to...

AI Technical Summary

Problems solved by technology

The success rate of this traditional repair method is low, especially for COA (Color Filter On Array) products where the color filter is arranged on the side of the array substrate. The distance between the common electrode lines 400 is relatively large, and it is easy to cause the connection failure between the pixel electrode 100 and the common electrode lines 400 on the array substrate side due to the interference of the color resist layer, thus resulting in repair failure

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