Array substrate and liquid crystal display panel

Abstract

The invention provides an array substrate and a liquid crystal display panel. The array substrate provided by the invention comprises a substrate, a TFT layer, a colored filtering layer and a black shielding layer, wherein at least one of a red color resistance unit, a green color resistance unit and a blue color resistance unit in the colored filtering layer is prepared by fractionated exposure according to different exposure splicing areas, namely exposure by using a direct splicing technology, and the black shielding layer comprises a plurality of vertical black shielding strips correspondingly positioned above a plurality of data lines. According to the array substrate provided by the invention, the vertical black shielding strips are used for replacing DBS ITO COM lines in the prior art, difference between color resistance superposition areas on different exposure splicing areas displayed under transmission light and reflection light and the difference between the color resistance superposition areas and relative positions of the data lines below can be shielded, and thus the large-size liquid crystal display panel is prevented from generating color cast on the different exposure splicing areas of the corresponding colored filtering layer, and generation of splicing mura is avoided.

Description

technical field [0001] The invention relates to the field of liquid crystal display, in particular to an array substrate and a liquid crystal display panel. Background technique [0002] A liquid crystal display (Liquid Crystal Display, LCD) has many advantages such as a thin body, power saving, and no radiation, and has been widely used. Such as: LCD TV, mobile phone, personal digital assistant (PDA), digital camera, computer screen or laptop screen, etc. [0003] Generally, a liquid crystal display device includes a housing, a liquid crystal panel disposed in the housing, and a backlight module disposed in the housing. Among them, the structure of the liquid crystal panel is mainly composed of a thin film transistor array (Thin Film Transistor Array, TFT Array) substrate, a color filter (Color Filter, CF) substrate, that is, a color filter substrate, and a liquid crystal layer (Liquid Crystal) disposed between the two substrates. Crystal Layer), its working principle is ...

AI Technical Summary

Problems solved by technology

However, the size (CD) stability of the exposure machine is within 3um, so for two consecutive exposures, even if the exposure parameters are set exactly the same, the obtained exposure effects will still be different, which is uncontrollable in the process of

like figure 1 As shown, in an existing large-size flat and curved shared display panel, the color filter layer 100 on the array substrate is divided into left and right regions by using the RG direct splicing technology. The R color-resist units 101' in the left area are not formed by the same exposure, and the G color-resist units 102 in the left area and the G color-resist units 102' in the right area are formed by different exposures. Therefore, the adjacent R color-resist units in the left area The width of the overlapping area between the resistance unit 101 and the G color resistance unit 102, and the relative position between the overlapping area and the corresponding data line 200 below, and the adjacent R color resistance unit 101' and G color resistance unit 102 in the right area ', as well as the relative position between the overlapping area and the data line 200 below, there will be certain differences, and the ITO COM electrode 300 above the data line 200 can make the liquid crystal above the data line 200 The display panel shows a dark state effect without turning over, but because ITO is a transparent conductive material, it cannot completely block light, so some transmitted light and reflected light can still be emitted from the top of the data line 200, thereby reducing the above-mentioned difference between the left and right regions. It appears, resulting in splicing mura when the display panel is displaying, and color shift appears on the left and right sides of the display panel, forming a visual difference and splitting the screen, especially at the exposure splicing part of the color filter layer 100, the splicing mura is clearly visible

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