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Display panel and display device

A display panel and substrate technology, applied in nonlinear optics, instruments, optics, etc., can solve problems such as reflection of ITO and glass substrates, achieve the effects of alleviating reflection at contact positions, avoiding direct contact, and reducing reflectivity

Active Publication Date: 2019-01-08
TCL CHINA STAR OPTOELECTRONICS TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The present invention provides a display panel and a display device to alleviate the technical problem of light reflection at the contact position between ITO and glass substrate existing in the existing display panel

Method used

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  • Display panel and display device

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Embodiment Construction

[0028] The following descriptions of the various embodiments refer to the accompanying drawings to illustrate specific embodiments in which the invention may be practiced. The directional terms mentioned in the present invention, such as [top], [bottom], [front], [back], [left], [right], [inside], [outside], [side], etc., are only for reference The orientation of the attached schema. Therefore, the directional terms used are used to illustrate and understand the present invention, but not to limit the present invention. In the figures, structurally similar elements are denoted by the same reference numerals.

[0029] The present invention aims at the technical problem that the contact position between the ITO and the glass substrate in the existing display panel will reflect light; the embodiment of the present invention can solve this defect.

[0030] Such as figure 2 As shown, the display panel provided by the present invention includes: a TFT lower substrate 21, and a C...

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PUM

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Abstract

The invention provides a display panel and a display device. A COA upper substrate of the display panel comprises a transparent substrate, a black matrix layer arranged on the transparent substrate, amiddle transparent layer arranged in the exposed area of the transparent substrate and a transparent electrode layer arranged on the black matrix layer and the middle transparent layer; the refractive index of the middle transparent layer is between the refractive index of the transparent substrate and the refractive index of the transparent electrode layer. Therefore, direct contact between an ITO and a glass substrate is avoided based on the middle transparent layer, the reflectivity of light rays going out the ITO can be well reduced, and the technical problem that in the existing displaypanel, the contact position of the ITO and the glass substrate reflects light is relieved.

Description

technical field [0001] The present invention relates to the technical field of liquid crystal display, in particular to a display panel and a display device. Background technique [0002] At present, liquid crystal displays mainly include COA (Color Filter On Array) technology and Non-COA technology. COA is to apply color photoresist on the completed array (Array) to form a color filter layer, which can improve the traditional color filter. The problem of low sheet aperture ratio. [0003] Such as figure 1 As shown, the upper substrate of the COA display panel based on photo-alignment (that is, the COA upper substrate) includes: a transparent substrate (such as a glass substrate), a black matrix layer BM, and a transparent electrode layer ITO as a common electrode. The black matrix layer BM is formed on On the transparent substrate, the transparent electrode layer ITO is formed on the black matrix layer BM and the exposed area of ​​the transparent substrate (the area where...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G02F1/1335G02F1/1343
CPCG02F1/133512G02F1/134309
Inventor 查宝李吉陈孝贤
Owner TCL CHINA STAR OPTOELECTRONICS TECH CO LTD