Liquid crystal display device and method for manufacturing liquid crystal display device

A technology of liquid crystal display device and liquid crystal layer, which is applied in nonlinear optics, instruments, optics, etc., and can solve problems such as narrow viewing angle

CN102209931AInactive Publication Date: 2011-10-05SHARP KK

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Patent Information

Authority / Receiving Office: CN · China
Patent Type: Applications(China)
Current Assignee / Owner: SHARP KK
Publication Date: 2011-10-05
Estimated Expiration: Not applicable · inactive patent

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Abstract

High quality display is provided by reducing display nonuniformity in a liquid crystal display device. The liquid crystal display device is provided with: a TFT substrate (10) having a signal wiring line (15), which has a plurality of pixels (110) arranged in a first direction and a second direction, extends in the first direction, and supplies a TFT (13) with display signals, and a scanning wiring line (14), which extends in the second direction and supplies the TFT (13) with gate signals; a facing substrate (20) having counter electrodes; a vertically aligned liquid crystal layer (30) arranged between the substrates; and a vertical alignment film (33). The signal wiring line (15) and / or the scanning wiring line (14) has two linear sections (15a) which linearly extend in the first direction or the second direction on the boundary between adjacent two pixels, and a bent section (15b) which is arranged between the two linear sections and extends outside of the extending lines from the two linear sections. At the time of forming an alignment sustaining layer in the liquid crystal display device of a PSA system, liquid crystal molecules on the signal wiring line and / or the scanning wiring line can be aligned stably and in the more desirable direction.

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Description

technical field

[0001] The present invention relates to a vertical alignment type liquid crystal display device having a vertical alignment layer. Background technique

[0002] In recent years, thin and lightweight liquid crystal display devices have been used as display devices for monitors of personal computers and display units of portable information terminal devices. However, conventional twisted nematic (TN type) and super twisted nematic (STN type) liquid crystal display devices have a disadvantage of a narrow viewing angle, and various technologies are being developed to solve this problem.

[0003] An alignment split type liquid crystal display device having a vertical alignment type liquid crystal layer is known as a liquid crystal display device having improved viewing angle characteristics. Such a liquid crystal display device is called a VA (Vertical Alignment: vertical alignment) mode liquid crystal display device. As an example of a VA mode liquid crystal di...

Claims

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