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Liquid crystal display

A liquid crystal display and liquid crystal technology, applied in the direction of instruments, nonlinear optics, optics, etc., can solve the problems of sealing glue pollution, PI liquid backflow, etc., and achieve the effect of improving uniformity and image display quality

Inactive Publication Date: 2011-11-09
BEIJING BOE OPTOELECTRONCIS TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] The invention provides a liquid crystal display, especially when an alignment film is formed by an inkjet printing method, which can solve the problems of sealing glue pollution and PI liquid backflow caused by the diffusion phenomenon of PI liquid, so as to prevent bad diffusion phenomenon and improve the formation of alignment film Uniformity of

Method used

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Examples

Experimental program
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Effect test

Embodiment 1

[0033] figure 2 It is a schematic top view structure diagram of the substrate in the liquid crystal display provided by Embodiment 1 of the present invention. The base substrate 1 of the liquid crystal display substrate includes a pixel area 2 and a peripheral area 3, the edge of the peripheral area 3 is formed with a sealant 4, and the predetermined alignment film pattern 5 should be covered outside the pixel area 2, and beyond a certain scope. An alignment film barrier layer 8 is formed between the pixel area 2 and the sealant 4 , and surrounds the pixel area 2 , the alignment film barrier layer 8 is composed of guardrails 9 and openings 10 spaced apart from each other. The cross-sectional shape of the guardrail 9 parallel to the base substrate 1 is a straight line segment. The width of each guardrail 9 is the same, and the width of each opening 10 is also the same, and the guardrails 9 and the openings 10 are evenly spaced.

[0034] The alignment film liquid is arranged...

Embodiment 2

[0037] Figure 3A It is a schematic top view structure diagram of the substrate in the liquid crystal display provided by Embodiment 2 of the present invention, Figure 3B for Figure 3A The schematic diagram of the side view section structure along the B-B line, Figure 3C for Figure 3A Schematic diagram of the cross-sectional structure in side view along the line C-C. This embodiment is based on Embodiment 1, the difference is that the liquid crystal display substrate includes a plurality of alignment film barrier layers 8, specifically two alignment film barrier layers 8, and each alignment film barrier layer 8 includes guardrails 9 arranged at intervals and opening 10. Among the two adjacent alignment film barrier layers 8 , the opening 10 of one alignment film barrier layer 8 overlaps with the guardrail 9 of the other alignment film barrier layer 8 to effectively block the diffusion of PI liquid 7 .

[0038]With the technical solution of this embodiment, the PI liqu...

Embodiment 3

[0040] Figure 4 The top view structural diagram of the substrate in the liquid crystal display provided by the third embodiment of the present invention, this embodiment is based on the second embodiment, the difference is that it includes a plurality of alignment film barrier layers 8 , specifically three. The openings 10 and guardrails 9 in two adjacent alignment film barrier layers 8 are overlapped, and the length of the guardrails 9 in each alignment film barrier layer 8 gradually increases in the direction from the pixel region 2 to the sealant 4 .

[0041] In a specific application, more PI liquid will flow from the alignment film barrier layer adjacent to the pixel area, and wider openings are required to better prevent backflow. After passing through multiple alignment film barrier layers, the amount of PI liquid diffused will decrease, and the width of the opening can be gradually narrowed. By setting openings with gradually narrowing widths, it is possible to effec...

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Abstract

The invention discloses a liquid crystal display, which comprises two substrates and liquid crystals between the substrates. A pixel area and a peripheral area are formed on the substrate. A sealant line is formed on the edge of the peripheral area. The liquid crystal display also comprises at least one orientation layer barrier layer, wherein the orientation layer barrier layer is formed between the pixel area and the sealant line, and comprises a plurality of barriers and a plurality of openings; and the barriers and the openings are arranged alternately. In the liquid crystal display, the openings formed between the orientation layer barrier layers can prevent the diffusion of polyimide film (PI) solution to the sealant line and also prevent the PI solution from being accumulated and further upstream diffused towards the pixel area when flowing to the orientation layer barrier layer, thereby improving the uniformity of an orientation layer formed on the substrate and the display quality of pictures.

Description

technical field [0001] The invention relates to liquid crystal display technology, in particular to a liquid crystal display. Background technique [0002] A liquid crystal display is a commonly used flat panel display at present, and a thin film transistor liquid crystal display (ThinFilm Transistor Liquid Crystal Display, TFT-LCD for short) is a mainstream product in the liquid crystal display. The liquid crystal panel is an important part of a liquid crystal display, mainly including an array substrate and a color filter substrate arranged in opposite cells, and a liquid crystal layer is filled between them. [0003] Both the array substrate and the color filter substrate can be called liquid crystal display substrates. In order to form a certain orientation of the liquid crystal molecules between the two liquid crystal display substrates, an alignment layer (Alignment Layer or Orientation Layer) needs to be formed on the surface of the liquid crystal display substrate. ...

Claims

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Application Information

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IPC IPC(8): G02F1/1337
Inventor 郑荣金熙哲
Owner BEIJING BOE OPTOELECTRONCIS TECH CO LTD
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