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Pixel structure

A pixel structure and pixel electrode technology, which is applied in nonlinear optics, instruments, optics, etc., can solve the problems affecting the uniformity of the liquid crystal panel, the increase of the voltage difference, and the increase of the impedance of the external terminal, so as to improve the display quality and reliability , the effect of improving uniformity

Active Publication Date: 2014-02-26
TCL CHINA STAR OPTOELECTRONICS TECH CO LTD
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Problems solved by technology

The increase of the impedance of the external terminal increases the voltage difference on the lower common electrode 504 of the entire panel, and the potential distribution is uneven, which affects the uniformity of the liquid crystal panel and deteriorates the reliability test of the liquid crystal panel.

Method used

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Embodiment Construction

[0035] In order to further illustrate the technical means adopted by the present invention and its effects, the following describes in detail in conjunction with preferred embodiments of the present invention and accompanying drawings.

[0036] see Figure 7 to Figure 9, the present invention provides a pixel structure, comprising: a substrate 12, a lower common electrode 14 formed on the substrate 12, a gate line 26, a first passivation layer 16 formed on the lower common electrode 14 and the substrate 12 , the data line 28 and the pixel electrode 18 formed on the first passivation layer 16, the second passivation layer 22 formed on the pixel electrode 18, the data line 28 and the first passivation layer 16, and the second passivation layer 22 formed on the first passivation layer 16. The upper common electrode 24 on the second passivation layer 22 . The first passivation layer 16 is provided with a first through hole (not shown), the second passivation layer 22 is provided ...

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Abstract

The invention provides a pixel structure comprising a substrate (12), an under-layer public electrode (14), gate lines (26), a first passivation layer (16), a data line (28), a pixel electrode (18), a second passivation layer (22) and an upper-layer public electrode (24). The first passivation layer (16) is provided with a first through hole, the second passivation layer (22) is provided with a second through hole, the under-layer public electrode (14) is connected with the upper-layer public electrode (24) through the first through hole and the second through hole, the under-layer public electrode (14) and the pixel electrode (18) are partially overlapped to form a first capacitor, the public electrode (24) is partially overlapped with the pixel electrode (18) to form a second capacitor, and first capacitor and the second capacitor form a storage capacitor of the pixel structure.

Description

technical field [0001] The present invention relates to the field of display technology, in particular to a pixel structure in an FFS (Fringe Field Switching, edge switching) mode liquid crystal display. Background technique [0002] In recent years, the display technology has developed rapidly, and the flat panel display is very different from the traditional video image display with its completely different display and manufacturing technology. The traditional video image display is mainly cathode ray tube CRT (Cathode ray tubes); the main difference between the flat panel display is the change in weight and volume (thickness), usually the thickness of the flat panel display does not exceed 10cm, of course there are other Different, such as display principles, manufacturing materials, processes, and various technologies in video image display drivers. [0003] Liquid crystal display is currently the most widely used flat-panel display with a high-resolution color screen, ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G02F1/1362
CPCG02F1/134363G02F1/136213G02F1/134318G02F1/134372G02F1/13394G02F1/13439G02F1/136286
Inventor 郝思坤
Owner TCL CHINA STAR OPTOELECTRONICS TECH CO LTD
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