MVA (Multi-domain Vertical Alignment) liquid crystal display device

A technology of liquid crystal display device and liquid crystal layer, which is applied to instruments, nonlinear optics, optics, etc., can solve the problems of image sticking, uneven pressing display, etc., so as to improve the pixel aperture ratio, eliminate display unevenness, and eliminate metastable Domain effect
CN102540535BActive Publication Date: 2015-03-04SHANGHAI TIANMA MICRO ELECTRONICS CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
SHANGHAI TIANMA MICRO ELECTRONICS CO LTD
Publication Date
2015-03-04

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Abstract

The invention provides an MVA (Multi-domain Vertical) image structure and a liquid crystal display device comprising the MVA pixel structure. The MVA pixel structure is arranged on a substrate and comprises at least two transparent conducting blocks, wherein an insulating layer is arranged between the transparent conducting blocks and the substrate and is provided with a first through hole; and the transparent conducting blocks are electrically connected through the first through hole by using a conducting material. The potential is conducted to each transparent conducting (ITO) block between domains of the MVA pixel structure through the through hole by using the conducting material, so that metastable state domains are eliminated, further non-uniform display caused by pressing and an electric field is eliminated, and finally domain stabilization is realized. In addition, the conducting material forms a storage capacitor, so that the pixel aperture ratio can be improved.
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Description

field of invention

[0001] The invention relates to an MVA liquid crystal display device. Background technique

[0002] Liquid crystal display devices (LCDs) have been widely used in various terminal display devices of large, medium and small sizes due to their light weight, small volume, and thin thickness. At present, the performance requirements of the market for liquid crystal display devices are developing toward characteristics such as high contrast, high brightness, low color shift, fast response, and wide viewing angle. At present, there are three main ways to meet the requirements of wide viewing angle: twisted nematic liquid crystal (TN) coupled with wide viewing angle film (WVF) liquid crystal display device, in-plane switching mode (IPS) liquid crystal display device, multi-domain vertical alignment ( MVA, multi-domain vertical) liquid crystal display device. Among them, the MVA mode liquid crystal display device has become the mainstream liquid crystal display ...

Claims

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