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Buffer layer and display device

A cushioning layer and sub-buffering technology, which is applied in the field of buffering layers and display devices, and can solve problems such as imprints and bubbles, affecting the display effect of the screen, etc.

Inactive Publication Date: 2021-02-23
WUHAN CHINA STAR OPTOELECTRONICS SEMICON DISPLAY TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The buffer layer 300 is a multi-layer composite material, including an existing protective film 20, a copper foil film layer 301, a foam layer 302, an adhesive layer 303 and a release film layer 40, which are sequentially stacked. When the copper foil film layer 301 in the material is laminated on a large-angle arc surface, it is easy to produce wrinkles, marks, and bubbles, which will affect the front display effect of the screen.
The emergence of the above adverse phenomena has greatly limited the selection of copper foil, and put forward higher requirements for the physical bending resistance of copper foil.

Method used

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Embodiment Construction

[0030] The technical solutions in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application. Apparently, the described embodiments are only some of the embodiments of this application, not all of them. Based on the embodiments in this application, all other embodiments obtained by those skilled in the art without making creative efforts belong to the scope of protection of this application.

[0031] Specifically, see Figure 2A , Figure 2B and image 3 . Figure 2A It is a schematic cross-sectional diagram of the buffer layer of the present application; Figure 2B It is a schematic cross-sectional diagram of the display device of the present application; image 3 It is a schematic diagram of the structure of the copper foil of the present application. In this application, a buffer layer 3 is provided, which is suitable for a multi-curved display device. The mul...

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Abstract

The invention discloses a buffer layer and a display device. The buffer layer is used for being attached to a display panel, the buffer layer is provided with a first area and at least one cambered surface area which are complementary, the buffer layer comprises at least one first sub-buffer layer, and the first sub-buffer layer is provided with a plurality of through holes in the cambered surfacearea.

Description

technical field [0001] The present application relates to the technical field of display devices, in particular to a buffer layer and a display device. Background technique [0002] With the guidance of market trends and the gradual improvement of people's aesthetic requirements for the appearance of mobile phones, the screen-to-body ratio and appearance of mobile phone screens have become one of the key factors in the development of the display industry. With the development of 3D curved glass hot-bending forming technology, the left and right sides as well as the upper and lower sides of 3D glass can be designed to be curved, enabling the product to achieve ultra-high screen-to-body ratio and narrow frame design. Among them, the double-U inverted cover (Cover Glass, hereinafter referred to as CG) can even bring users a visual experience without borders on both sides. Touch touch feel. [0003] Due to the special shape design of the large arc surface CG, when the arc edge...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G09F9/30
CPCG09F9/30G09F9/301
Inventor 尹航
Owner WUHAN CHINA STAR OPTOELECTRONICS SEMICON DISPLAY TECH CO LTD
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