A liquid crystal display substrate

Abstract

The invention provides a liquid crystal display substrate. The substrate is a large substrate plate which is cut into a plurality of small substrates; a plurality of marking positions and edge dividing lines are arranged on the side edge of the large substrate; a plurality of lighting dividing lines are arranged in the large substrate; every four continuous lighting dividing lines form a small substrate area to be cut; a medium dividing line is arranged between the first side edge and the third side edge; two opposite marking positions are located at the side edge of to be cut into the small substrates; a longitudinal locating marker is arranged between the medium dividing line and each lighting dividing line and close to the marking position of the side edge of each small substrate. According to the liquid crystal display substrate, novel locating markers are arranged to solve the problem that the substrate is displaced during being cut from a large size into a small size under the light orientation process, the marking position at the side edge cannot be captured by a camera at a light orientation stand, and the ultraviolet vertical orientation light mask at the side edge cannot be aligned, resulting in disordered light orientation at the side edge.

Description

technical field [0001] The invention relates to a liquid crystal display substrate provided with positioning marks. Background technique [0002] With the rapid development of the TFT-LCD industry, the LCD production line has expanded from the first generation to the current 10th generation line, and the size of the glass substrate that can be put into production has also increased from 300mm*400mm to 2880mm*3080mm. [0003] In the environment of production capacity expansion, many companies currently have multiple production lines of different generations, but because different generation lines are limited by equipment specifications, they can only invest in substrate glass of the corresponding size. For example, the 6th generation line can invest in 1500mm*1850mm glass Glass substrates, and the 4.5-generation line can only input 730mm*920mm glass substrates, so it is necessary to purchase glass substrates according to the specifications that the production line can input, ...

AI Technical Summary

Problems solved by technology

[0007] in will figure 1 The large substrates shown are cut into small size inputs, small substrates such as figure 2 As shown, since the edge of the large substrate is cut off by 10 mm, the overall displacement of the substrate relative to the marking position 5 is caused, so that the marking position 5 on the edge is just in the overlapping area of ​​two UV2A masks, and the image machine (line CCD ) cannot grab the marked position 5 of this edge, which will cause the problem of optical alignment disorder

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