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Pixel electrode and liquid crystal display panel

A liquid crystal display panel and pixel electrode technology, which is applied to instruments, nonlinear optics, optics, etc., can solve the problems of disordered orientation of liquid crystal molecules, disordered fringe electric field directions, and irregular edges around the edges, and achieves improved viewing angles and improved optical penetration. rate, the effect of improving the viewing angle

Active Publication Date: 2019-03-12
SHENZHEN CHINA STAR OPTOELECTRONICS SEMICON DISPLAY TECH CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] image 3 Shown is the optical performance of the sub-pixel using the above-mentioned "m"-shaped pattern pixel electrode 70. Since the surrounding edges of the pixel electrode 70 are not neat, the direction of the corresponding fringe electric field is relatively disordered, and the orientation of the liquid crystal molecules located at the edge of the sub-pixel is also disordered. It is more messy, which affects the light transmittance, and dark lines will appear in the edge area of ​​​​the sub-pixels, resulting in a decrease in display quality

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  • Pixel electrode and liquid crystal display panel
  • Pixel electrode and liquid crystal display panel
  • Pixel electrode and liquid crystal display panel

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Embodiment Construction

[0041] 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.

[0042] see Figure 4 , the present invention firstly provides a pixel electrode, including: a trunk 11 , a plurality of pixel electrode branches 13 , a first closed frame 15 , and at least one second closed frame 17 .

[0043] The backbone 11 divides a sub-pixel into several domains. Usually, the backbone 11 is in the shape of a "ten", and the "ten"-shaped backbone 11 divides a sub-pixel into four domains; of course, the backbone 11 can also be in other shapes, and divides a sub-pixel into four domains. Greater number of domains.

[0044] The plurality of pixel electrode branches 13 extend from the trunk 11 in different directions in each domain, the plurality of pixel electrode branches 13 in one domain are parallel to each other and spaced...

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Abstract

The invention provides a pixel electrode and a liquid crystal display panel. The pixel electrode is provided with a first closed frame (15) that connects the ends of all pixel electrode branches (13) and the trunk (11), and at least one frame is sleeved on the periphery of the first closed frame (15) and connected to the trunk (11). The second closed frame (17), through the first closed frame (15) and the second closed frame (17), makes the edge electric field of the pixel electrode regular, so that the orientation of the liquid crystal molecules located at the edge of the sub-pixel is relatively uniform, The dark lines around the edges of the sub-pixels can be eliminated, and the optical transmittance of the liquid crystal display panel can be improved; in addition, a new domain is formed between the first closed frame (15) and the second closed frame (17), which can further Improve the viewing angle of the LCD panel in the middle and low grayscale.

Description

technical field [0001] The invention relates to the field of display technology, in particular to a pixel electrode and a liquid crystal display panel. Background technique [0002] Active thin film transistor liquid crystal display panels (Thin Film Transistor-LCD, TFT-LCD) have been rapidly developed and widely used in recent years. As far as TFT-LCD display panels currently on the mainstream market are concerned, they can be divided into three types, namely Twisted Nematic (TN) or Super Twisted Nematic (STN) type, in-plane switching (In -PlaneSwitching (IPS) type, and vertical alignment (Vertical Alignment, VA) type. Among them, the VA type liquid crystal display panel has a very high contrast ratio compared with other types of liquid crystal display panels, and is widely used in large-scale displays, such as liquid crystal televisions. [0003] like figure 1 As shown, a conventional VA liquid crystal display panel includes: an upper substrate 10, a lower substrate 20 ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G02F1/1343
CPCG02F1/134327G02F1/134336G02F1/133707G02F1/133757G02F2201/123
Inventor 郝思坤
Owner SHENZHEN CHINA STAR OPTOELECTRONICS SEMICON DISPLAY TECH CO LTD