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Fixing method of glass substrate

A glass substrate and attaching technology, applied in the field of flexible display device preparation, can solve problems such as difficulty in handling and processing ultra-thin glass, achieve good barrier effect, improve competitiveness, improve yield and productivity

Active Publication Date: 2012-09-26
BOE TECH GRP CO LTD
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Problems solved by technology

Glass substrates have better transmittance, chemical stability, water resistance and dielectric properties than organic materials, and ultra-thin glass substrates also have good flexibility; however, due to the current brittleness of glass substrates, making The application of glass substrates in large-area flat panel display products has great limitations, and it is very difficult to handle and process ultra-thin glass alone

Method used

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  • Fixing method of glass substrate
  • Fixing method of glass substrate

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Embodiment Construction

[0030] The manufacturing process of the display device needs to be immersed in organic solvents such as high temperature above 300 ° C, strong acid, strong alkali and isopropanol, so the bonding material that needs to be attached has a certain ability to resist high temperature, strong acid, strong alkali, and organic solvents . Acrylate is one of the materials that can resist high temperature, strong acid, strong alkali, organic solvent and other harsh environments for a certain period of time, and can provide high bonding strength. However, the double-sided tape prepared by acrylate contains a lot of air bubbles , if it is directly used to bond two glass substrates, it is easy for the liquid to infiltrate between the glass substrates through air bubbles during the preparation of the display device, resulting in unevenness in the middle of the ultra-thin glass substrate in a high temperature or vacuum environment, affecting product performance , or even serious damage to the ...

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Abstract

The invention discloses a fixing method of a glass substrate. The method comprises: attaching an acrylate double-sided tape to an edge position corresponding to that of a second glass substrate on a first glass substrate; attaching the second glass substrate to the first glass substrate; and conducting annealing treatment on the two glass substrates. According to the technical solution of the invention, rapid fixing of an ultra-thin glass substrate and a thick glass substrate can be realized so as to achieve processing of ultra-thin glass.

Description

technical field [0001] The invention relates to a preparation technology of a flexible display device, in particular to a method for fixing a glass substrate. Background technique [0002] Flat panel display technology has developed rapidly in the past ten years, and great progress has been made from the size of the screen to the quality of the display. After continuous efforts, the performance of liquid crystal displays (LCD, Liquid Crystal Display) has reached the The level of the traditional cathode ray tube (CRT, Cathode Ray Tube) display has a tendency to replace the CRT display. [0003] With the continuous expansion of the production scale of flat panel display products, the competition among various manufacturers is becoming increasingly fierce. While continuously improving the performance of flat panel display products, various manufacturers are also making continuous efforts to reduce the production cost of flat panel display products, thereby improving themselves....

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C03C27/10
Inventor 周伟峰薛建设
Owner BOE TECH GRP CO LTD
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