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Array substrate and liquid crystal display device

An array substrate and grid line technology, applied in nonlinear optics, instruments, optics, etc., can solve problems such as poor friction of alignment films, and achieve the effect of reducing resistance and reducing production rate

Active Publication Date: 2016-08-17
HEFEI BOE OPTOELECTRONICS TECH +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The invention provides a pixel structure and a liquid crystal display device, which are used to solve the problem of poor friction of the alignment film when the rubbing direction of the alignment film is perpendicular to the grid lines

Method used

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  • Array substrate and liquid crystal display device
  • Array substrate and liquid crystal display device
  • Array substrate and liquid crystal display device

Examples

Experimental program
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Embodiment 1

[0018] combine image 3 and Figure 4 As shown, the embodiment of the present invention provides an array substrate, which includes a substrate 100 , gate lines 10 and data lines 20 formed on the substrate 100 , and pixel units 1 defined by the gate lines 10 and data lines 20 . Wherein, the pixel unit 1 includes a TFT (not shown in the figure), a common electrode 4 and a pixel electrode 2 . TFT is used as a switching device, its gate electrode is connected to the gate line 10, its source electrode is connected to the data line 20, and its drain electrode is connected to the pixel electrode 2, which is used to control and generate an electric field that drives the deflection of liquid crystal molecules. An alignment film 101 is also formed above the pixel unit 1 , and the rubbing direction of the alignment film 101 determines the alignment of liquid crystal molecules.

[0019] For ease of description, in this embodiment, it is defined that the gate lines 10 extend laterally, ...

Embodiment 2

[0024] When the rubbing direction of the alignment film is not perpendicular to the direction of the gate lines, it will have a certain impact on the display of the display device, especially for a display device that provides a multi-domain liquid crystal working mode.

[0025] ADSDS (ADS for short) is the core technology of planar electric field wide viewing angle - Advanced Super Dimension Switch technology (ADvanced Super Dimension Switch). The multi-dimensional electric field is formed with the electric field generated between the plate electrode layers, so that all oriented liquid crystal molecules between the slit electrodes in the liquid crystal cell and directly above the electrodes can be rotated, thereby improving the working efficiency of the liquid crystal and increasing the light transmission efficiency. Advanced ultra-dimensional field conversion technology can improve the picture quality of TFT-LCD products, with high resolution, high transmittance, low power co...

Embodiment 3

[0042] Based on the same inventive concept, this embodiment provides a liquid crystal display device using the array substrate in the first embodiment. Since the rubbing direction of the alignment film is not perpendicular to the grid line direction, the resistance encountered when the alignment film is rubbed for alignment is reduced, the occurrence rate of rubbing defects is reduced, and the yield rate of the liquid crystal display device is improved.

[0043] Preferably, the rubbing direction of the alignment film is set to deviate from the angle β≥2° perpendicular to the grid lines, so as to effectively improve the poor rubbing of the alignment film. Furthermore, for the ADS display device that provides multi-domain liquid crystal working mode, by setting the angle between the extending direction of the slit and the rubbing direction 0°≤α≤12°, while effectively improving the friction failure, it also effectively ensures that the display device display quality.

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Abstract

The array substrate according to the present disclosure may include gate lines, data lines, pixel units defined by the gate lines and the data lines, and an alignment film formed above the pixel units. The gate lines may extend in a horizontal direction, and a rubbing direction of the alignment film may be angled relative to a longitudinal direction at a first non-zero angle β.

Description

technical field [0001] The invention relates to the technical field of liquid crystal display, in particular to an array substrate and a liquid crystal display device. Background technique [0002] With the development of manufacturing technology, thin film transistor liquid crystal display (Thin Film Transistor Liquid Crystal Display, referred to as "TFT-LCD") has replaced the traditional picture tube display due to its advantages of low power consumption, low manufacturing cost and no radiation. mainstream. The display panel of the TFT-LCD is formed by an array substrate and a color filter substrate, and liquid crystal molecules are filled between the array substrate and the color filter substrate. Wherein, the array substrate includes gate lines and data lines intersecting horizontally and vertically, pixel units defined by the gate lines and data lines, and an alignment film formed on the pixel units. Each pixel unit includes a thin film transistor ("TFT" for short), a...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G02F1/1347G02F1/1362
CPCG02F1/133784G02F1/134309G02F1/134372G02F1/136286
Inventor 郭远辉秦锋
Owner HEFEI BOE OPTOELECTRONICS TECH
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