Array substrate as well as manufacturing method and liquid crystal display panel thereof

Abstract

The invention relates to an array substrate as well as a manufacturing method and a liquid crystal display panel thereof. A groove is formed on a passivation layer of the array substrate and correspondingly formed between two adjacent pixel electrodes; and the depth of the groove is less than that of the passivation layer. The method comprises the following steps of: forming patterns with a plurality of film layers on the substrate; forming the passivation layer on the substrate with the plurality of film layers forming; forming a passivation layer through hole and the groove on the passivation layer; depositing a transparent conducting film layer on the passivation layer with the groove forming; and forming a plurality of pixel electrodes in a matrix mode by adopting a mapping process. The liquid crystal display panel comprises the array substrate. In the invention, the groove is formed on the passivation layer beyond the pixel electrode area, therefore, a pixel electrode material layer can form a faultage at the edge of the groove, and the connected short-circuit between the adjacent pixel electrodes is reduced or avoided, thereby improving the finished product ratio.

Description

technical field [0001] The invention relates to liquid crystal display technology, in particular to an array substrate, a manufacturing method thereof, and a liquid crystal panel. Background technique [0002] Liquid crystal displays play an important role in flat panel displays, and a thin film transistor liquid crystal display (Thin Film Transistor-Liquid Crystal Display; hereinafter referred to as TFT-LCD) is a widely used liquid crystal display. [0003] The liquid crystal panel of TFT-LCD is composed of an array substrate and a color film substrate. figure 1 It is a partial top view structure schematic diagram of a thin film transistor liquid crystal display array substrate in the prior art, figure 2 for figure 1 A-A in the sectional view. Such as figure 1 with figure 2 As shown, a typical TFT-LCD array substrate structure mainly includes: a base substrate 1; the pattern of the gate electrode 4 and the gate scanning line 2 is formed on the base substrate 1, and t...

AI Technical Summary

Problems solved by technology

Residual ITO may cause adjacent pixel electrodes to be connected and short-circuited, and appear on the liquid crystal display as a defect of bright or dark spots. If there is a large area of ​​residual ITO, there may be a "group glow" phenomenon in which multiple bright spots are connected together. , making the product obsolete

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