LCD panel and method for manufacturing same

A liquid crystal display, liquid crystal layer technology, applied in nonlinear optics, instruments, optics, etc., can solve problems such as inability to ensure accuracy, and achieve high-precision effects
CN1885116AInactive Publication Date: 2006-12-27NEC LCD TECH CORP
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
NEC LCD TECH CORP
Publication Date
2006-12-27
Estimated Expiration
Not applicable · inactive patent

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Abstract

The inventoin relates to a liquid crystal display panel and method for manufacturing the same, wherein an alignment mark is provided on the surface of a transparent substrate in a CF substrate. An L-shaped pattern whose height is greater than that of the alignment mark is provided in a position that is at a distance upstream in the rubbing direction as viewed from the alignment mark. The trapping pattern is formed by the layering of a lower layer BM and an upper layer B. The lower layer BM of the alignment mark and the trapping pattern is formed from the same material and in the same step as the black matrix. The upper layer B of the trapping pattern is formed from the same material and in the same step as the blue color filter. Debris from the alignment layer can thereby be prevented from accumulating in the region adjacent to the alignment mark when a rubbing treatment is performed on the alignment layer.
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Description

technical field

[0001] The invention relates to a liquid crystal display panel and a manufacturing method thereof. Background technique

[0002] A liquid crystal display (LCD) device is configured with a light source and an LCD panel, and the LCD panel is configured with two transparent substrates arranged parallel to each other and a liquid crystal layer disposed between the transparent substrates. In the LCD device, an LCD panel radiates light from a light source, and displays an image by applying voltage to a liquid crystal layer of the LCD panel and controlling transmittance of light.

[0003] Among the two transparent substrates of the LCD panel, one transparent substrate is called a thin film transistor (TFT) substrate, and the other transparent substrate is called a color filter (CF) substrate. A plurality of pixel electrodes for applying voltage to the liquid crystal layer are arranged on the TFT substrate and arranged in a matrix. A TFT includes a gate electrode, ...

Claims

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