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Array substrate, manufacturing method and display device

The technology of an array substrate and a manufacturing method, which is applied in the field of the array substrate and its manufacturing method and a display device, can solve problems such as poor stability of Vcom, poor flicker of the display screen of a liquid crystal panel, etc., and achieve the effect of stabilizing the voltage of a common electrode of a pixel

Active Publication Date: 2014-11-12
HEFEI XINSHENG OPTOELECTRONICS TECH CO LTD +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] The problem to be solved by the present invention is: the Vcom generating unit and the grounding capacitor connected thereto have poor ability to maintain the stability of Vcom, resulting in poor display screens such as flicker or greenish on the liquid crystal panel.

Method used

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  • Array substrate, manufacturing method and display device
  • Array substrate, manufacturing method and display device
  • Array substrate, manufacturing method and display device

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Embodiment Construction

[0044] The array substrate provided by the embodiments of the present invention is suitable for liquid crystal display devices of various display types. A liquid crystal display device controls light transmittance using an electric field to display images. Liquid crystal display devices are roughly classified into a vertical electric field driving type and a horizontal electric field driving type according to the direction of an electric field for driving liquid crystals. A vertical electric field driven liquid crystal display device has a common electrode and a pixel electrode opposite to each other on the upper and lower substrates, and a vertical electric field is formed between the common electrode and the pixel electrode to drive the liquid crystal, such as TN (Twist Nematic, twisted nematic) type, VA (Verical Alignment, multi-domain vertical alignment) liquid crystal display device. A horizontal electric field driven liquid crystal display device is provided with a comm...

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Abstract

The invention provides an array substrate. The array substrate comprises a first metal area and a second metal area, wherein the first metal area is positioned at the edge of the array substrate and is electrically connected with a public electrode wire or a public electrode; the second metal area is positioned at the edge of the array substrate, corresponds to and is insulated from the first metal area, and is used for switching in stabilized voltage, and the stabilized voltage is fixed voltage; at least one capacitor is formed by the first metal area and the second metal area. According to the array substrate provided by the invention, the capacitor is formed at the inner part of an LCD (Liquid Crystal Display) panel, one electrode of the capacitor is connected with a Vcom, the other electrode of the capacitor is connected with the other voltage (comprising the grounding voltage), and thus the technical effect of obtaining more stable voltage of a pixel public electrode can be achieved.

Description

technical field [0001] The present invention relates to the field of display technology, in particular to an array substrate, a manufacturing method and a display device. Background technique [0002] A liquid crystal display is a commonly used flat panel display at present, and a Thin Film Transistor Liquid Crystal Display (TFT-LCD for short) is a mainstream product in the liquid crystal display. [0003] Due to its low cost, high yield and good display effect, TFT-LCD occupies most of the market share in the field of small and medium size. Although the technology of TFT-LCD has matured day by day, the picture quality still needs to be continuously improved to meet the demanding needs of consumers. [0004] An existing liquid crystal display panel includes an array substrate, a color filter substrate, and liquid crystals arranged between the array substrate and the color filter substrate. In the liquid crystal display device, the Vcom voltage supplied to the array substra...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G02F1/1343G02F1/1333
CPCG02F1/134363G02F1/1362H01L27/124H01L27/1255H01L27/1259G02F1/134372G02F1/136295G02F1/133345G02F1/13439G02F1/136227G02F1/136286G02F2201/121
Inventor 刘荣铖
Owner HEFEI XINSHENG OPTOELECTRONICS TECH CO LTD