LCD device

A technology for liquid crystal display devices and public voltage lines, which is applied to static indicators, nonlinear optics, instruments, etc., can solve problems such as color shift in liquid crystal display devices 1, and achieve the effects of improving color shift and good display effects

Inactive Publication Date: 2008-10-22
INNOCOM TECH SHENZHEN +1
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  • Summary
  • Abstract
  • Description
  • Claims
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Problems solved by technology

[0006] However, since the common electrode 111 provides a fixed common voltage, the common voltages input by the first and second common voltage input terminals 184 and 194 are the same, and the capacitance values ​​of the first and second liquid crystal capacitors 182 and 192 are almost are equal, so at the same gray scale, the inclination angle of the liquid crystal molecules of the first sub-pixel unit 18 is almost the same as that of the second sub-pixel unit 19, which will cause the liquid crystal display device 1 Has a more serious color cast phenomenon

Method used

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Embodiment Construction

[0014] Please refer to image 3 , which is a schematic diagram of the circuit structure of a pixel unit in a preferred embodiment of the liquid crystal display device of the present invention. The liquid crystal display device 2 is a multi-area vertical alignment liquid crystal display device, which includes a plurality of scan lines 26 , a plurality of data lines 27 , a plurality of common voltage lines 23 and a plurality of pixel units 20 . The pixel unit 20 includes a first sub-pixel unit 28 and a second sub-pixel unit 29, the first sub-pixel unit 28 includes a first transistor 281, a first liquid crystal capacitor 282 and a first storage capacitor 283; The second sub-pixel unit 29 includes a second transistor 291 , a second liquid crystal capacitor 292 and a second storage capacitor 293 . The gates of the first and second transistors 281 and 291 are electrically connected to the scan line 26, the drains are electrically connected to the data line 27, and the sources are r...

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Abstract

The invention provides a liquid crystal display, comprising a plurality of scanning beams, a plurality of data wires, a plurality of common voltage wires and a plurality of pixel units, wherein, each pixel unit is respectively connected with one scanning beam of the scanning beams and one data wire of the data wires, each pixel unit comprises two sub-pixel units, wherein, the two sub-pixel units are respectively connected with two common voltage wires which provide different voltages to the two sub-pixel units. The liquid crystal display can effectively avoid the color cast phenomenon and realize good display effect.

Description

technical field [0001] The present invention relates to a liquid crystal display device, in particular to a vertical alignment mode (Vertical Alignment Mode) liquid crystal display device. Background technique [0002] Liquid crystal display devices have been widely used in the fields of mobile phones, personal digital assistants, notebook computers, personal computers and televisions due to their characteristics of low radiation, small size, small size and low power consumption. However, liquid crystal display devices also have disadvantages such as slow response speed and low viewing angle, which are especially unfavorable for video products. In response to this defect, various wide viewing angle technologies have emerged, such as twisted nematic liquid crystal + viewing angle expansion film combination (TN+Film) technology, in-plane switching (In-plane Switching, IPS) technology, multi-region vertical alignment (Multi- Domain Vertical Alignment (MVA) technology and Optic...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G02F1/1362G09G3/36
CPCG09G3/3655G09G3/2011G09G2300/0426G09G2300/043G09G2320/0242
Inventor 林育正纪淳咏陈鹊如杨秋莲彭家鹏
Owner INNOCOM TECH SHENZHEN
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