tft array substrate, liquid crystal display panel and display device
A technology for array substrates and color filter substrates, which is applied in the field of liquid crystal displays, and can solve the problems of reducing pixel aperture ratio, light leakage of liquid crystal display panel 20, and increased blocking area.
Active Publication Date: 2019-10-29
KUSN INFOVISION OPTOELECTRONICS
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Problems solved by technology
When the color filter substrate 21 or the TFT array substrate 22 is under pressure, the spacer 23 will slide outward due to the pressure, causing light leakage from the liquid crystal display panel 20
In order to prevent light leakage from being seen, the existing method is to increase the shading area of the black matrix (BM) around the spacer 23, but the increase of the shading area of the black matrix will reduce the aperture ratio of the pixel
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[0027] In order to further explain the technical means and effects of the present invention to achieve the intended purpose of the invention, the following is a basic specific implementation of the TFT array substrate, liquid crystal display panel and display device proposed in accordance with the present invention with reference to the accompanying drawings and preferred embodiments. The method, structure, characteristics and efficacy are detailed as follows:
[0028] The foregoing and other technical content, features, and effects of the present invention will be clearly presented in the following detailed description of the preferred embodiment with reference to the drawings. Through the description of the specific embodiments, the technical means and effects of the present invention to achieve the predetermined purpose can be understood more deeply and concretely. However, the accompanying drawings are only for reference and explanation, and are not used to describe the presen...
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A TFT array substrate comprises a plurality of grid lines, a plurality of data lines and a plurality of pixel units. The grid lines and the data lines are arranged in a crossed mode, and the pixel units are defined by the grid lines and the data lines. Each pixel unit comprises a thin film transistor and a pixel electrode, the TFT array substrate is further provided with a flat layer and a blocking layer, the pixel units are covered with the flat layer, and the blocking layer is arranged on the flat layer and comprises a blocking part. The blocking part is located above the thin film transistors, and the blocking part is used for stopping a photo spacer between the TFT array substrate and a color film substrate from moving. The TFT array substrate can stop the photo spacer from moving, the stability of the photo spacer is improved under the condition of not reducing the aperture opening ratio, and meanwhile the bad phenomena of light leakage and the like are avoided. The invention further relates to a liquid crystal display panel and a display device.
Description
Technical field [0001] The present invention relates to the field of liquid crystal display technology, in particular to a TFT array substrate, a liquid crystal display panel and a display device. Background technique [0002] With the development of science and technology, light, thin, power-saving information products have flooded our lives, and displays play a very important role in them. Whether it is a mobile phone, a personal digital assistant or a notebook computer, a display device is needed. As a platform for human-machine communication. The main component of the display device for image display is the liquid crystal display panel. [0003] figure 1 It is a schematic partial cross-sectional structure diagram of an existing liquid crystal display panel. Such as figure 1 As shown, the liquid crystal display panel 20 includes a color filter substrate 21 and a TFT array substrate 22. The color filter substrate 21 and the TFT array substrate 22 are arranged in a box. The colo...
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IPC IPC(8): G02F1/1333G02F1/1362G02F1/1339
CPCG02F1/1333G02F1/13394G02F1/1362
Inventor 蒋隽黄清英
Owner KUSN INFOVISION OPTOELECTRONICS