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Preparation method of glass cover plate, glass cover plate and mobile terminal

A glass cover, glass substrate technology, applied in chemical instruments and methods, surface etching compositions, etc., can solve the problem of easily scratched CPI materials T% transmittance, prone to creases, glass brittleness and high thickness It can meet the requirements of etching thinning, slow down the reaction speed, and prevent secondary damage.

Pending Publication Date: 2022-07-01
江西群泰科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] At present, the screen protection cover of folding screen mobile phones is mostly made of organic polymer CPI material instead of glass. There are serious defects in the use of CPI material: 1. Low hardness and easy to scratch CPI material T% will appear with the change of service cycle Transmittance attenuation leads to poor screen sensitivity; 2. CPI organic polymer materials are prone to creases or even cracks after repeated arbitrary folding in use, making the screen unusable
Therefore, it is urgent to develop a high-performance material that can replace CPI materials. Although the current conventional glass cover has the characteristics of high strength, not easy to be scratched and no mechanical fatigue, the existing glass is brittle and thick. , it is impossible to realize the characteristics of arbitrary random folding

Method used

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Examples

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Effect test

preparation example Construction

[0038] In one aspect, the present invention provides a method for preparing a glass cover, comprising:

[0039] Step S10, cutting the glass substrate to obtain a cut glass substrate;

[0040] Step S20, chemically thinning the cut glass substrate to obtain a thinned glass substrate;

[0041] Step S30, coating the thinned glass substrate to obtain a coated glass substrate;

[0042] Step S40, coating the coated glass substrate to obtain a glass cover plate.

[0043] Further, in step S10, the specification of the glass substrate includes L*W*T=(800-1300)*(800-1100)*0.07±0.01mm.

[0044] Further, step S10 includes spraying the glass substrate with a protective agent; placing the glass substrate after spraying the protective agent in a cooling solution for cutting to obtain a cut glass substrate. Specifically, the protective agent may be sprayed on the to-be-cut surface of the glass substrate, or the protective agent may be sprayed on all surfaces of the glass substrate. Seconda...

Embodiment 1

[0061] A preparation method of a glass cover plate, comprising the following steps:

[0062] Step 1. Select a glass substrate with a specification of L*W*T=800*800*0.06mm, and the surface of the glass substrate is clean with no fingerprints, no glass slag, and no dirt; no scratches, no edge collapse, no crack;

[0063] Step 2, spray UV lamp-curable protective ink on both sides of the glass substrate;

[0064] Step 3: Cut the glass substrate sprayed with UV lamp curing protective ink in a laser cutting machine with a cooling solution tank, cut it into a specification of 160.40*72.16mm and stop cutting, wherein the cooling solution tank There is a cooling solution in the middle, and the cooling solution is composed of cooling liquid and water, the concentration ratio of the cooling liquid and water is 2%, and the cooling liquid is cutting fluid;

[0065] Step 4. Add tetrabutylammonium fluoride, citric acid, sulfuric acid, oxalic acid, aminotriacetic acid, polyvinyl alcohol and...

Embodiment 2

[0070] A preparation method of a glass cover plate, comprising the following steps:

[0071] Step 1. Select a glass substrate with a specification of L*W*T=1300*1100*0.08mm, and the surface of the glass substrate is clean without fingerprints, glass slag, and dirt; the appearance has no scratches, no edge collapse, no crack;

[0072] Step 2, spray UV lamp-curable protective ink on both sides of the glass substrate;

[0073] Step 3: Cut the glass substrate sprayed with UV lamp curing protective ink in a laser cutting machine with a cooling solution tank, cut it into a specification of 160.40*72.16mm and stop cutting, wherein the cooling solution tank There is a cooling solution in the middle, and the cooling solution is composed of cooling liquid and water, the concentration ratio of the cooling liquid and water is 6%, and the cooling liquid is cutting fluid;

[0074] Step 4. Add tetrabutylammonium fluoride, citric acid, sulfuric acid, oxalic acid, aminotriacetic acid, polyvi...

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PUM

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Abstract

The invention belongs to the technical field of electronic devices, and particularly relates to a preparation method of a glass cover plate, the glass cover plate and a mobile terminal.The method comprises the steps that a glass base material is cut, and the cut glass base material is obtained; carrying out chemical thinning treatment on the cut glass substrate to obtain a thinned glass substrate; carrying out coating treatment on the thinned glass base material to obtain a coated glass base material; and carrying out coating treatment on the coated glass substrate to obtain the glass cover plate. According to the method disclosed by the invention, an arbitrarily-folded ultrathin flexible glass cover plate product with high toughness, explosion resistance, scratch resistance, aging resistance, high hardness and no crease can be prepared, and the glass cover plate prepared by the method disclosed by the invention can also be matched with folding screen mobile phones of various manufacturers for application and has a wide market prospect.

Description

Technical field [0001] The invention belongs to the technical field of electronic devices, and specifically relates to a preparation method of a glass cover, a glass cover and a mobile terminal. Background technique [0002] At present, the screen protection covers of folding screen mobile phones are mostly made of organic polymer CPI material instead of glass. There are serious defects in the use of CPI material: 1. Low hardness and easy to scratch. As the use cycle changes, T% of CPI material will appear. The attenuation of transmittance leads to poor screen sensitivity; 2. CPI organic polymer materials are prone to creases or even cracks after being folded repeatedly and arbitrarily during use, making the screen unusable. Therefore, there is an urgent need to develop a high-performance material that can replace CPI materials. Although the current conventional glass cover has the characteristics of high strength, not easy to be scratched, and no mechanical fatigue, the exi...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C03C15/00C03C17/34C09K13/06
CPCC03C15/00C03C17/3441C09K13/06
Inventor 彭建发柯晓峰杨威
Owner 江西群泰科技有限公司
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