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A printing process for mobile phone glass panel

A glass panel and mobile phone technology, applied in printing, printing devices, etc., can solve the problems of low product yield, poor light-shielding performance, poor adhesion ability, etc., achieve excellent adhesion performance, enhance the light-shielding effect, and improve the light-shielding effect Effect

Inactive Publication Date: 2016-04-06
萍乡星弛光电科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The number of printing editions has a great influence on the effect of the mobile phone panel. The more printing editions, the thicker the thickness of the ink on the panel, the better the shading performance, and the more convenient the control of the color, but the effect on the entire panel The thickness is not easy to control, and the more printing times, the higher the cost, the lower the yield of the product, and too few printing times, although the thickness of the ink will be reduced and the cost will be reduced, but the products produced in this way will be shading Poor performance, bad color control
[0004] Chinese patent application number 201210565141.9, a preparation method of a white panel, discloses a printing method of a white panel, which reduces the thickness of the panel ink through four-pass printing, and eliminates the generation of film after the expansion and overlapping of individual version windows and button areas The difference in thickness and height can easily cause key ghosting and poor defoaming in the CG combination process of capacitive screens. However, the white panel printed by this method has poor shading effect and poor adhesion, and is prone to shedding and light leakage.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0043] A printing process for a glass panel of a mobile phone is to perform multiple bottom cover printing on the back of the glass panel, which specifically includes the following steps:

[0044] Step 1. The first white background printing: the first white background printing layer is printed on the back of the glass panel of the mobile phone by screen printing. The printing materials required by weight are: 100 parts of ink, 9 parts of curing agent and thinner 4 copies, the screen mesh number of the screen printing is 400 meshes, the hardness of the squeegee board is 75A, the curing temperature is 145°C, the curing time is 35 minutes, and the overall thickness of the ink after printing is 6μm.

[0045] Step 2. The second white background printing: the second white background printing layer is printed on the first white background printing layer. The printing materials required by weight are: 100 parts of ink, 8 parts of curing agent and 3 parts of diluent , The screen mesh of the...

Embodiment 2

[0049] A printing process for a glass panel of a mobile phone is to perform multiple bottom cover printing on the back of the glass panel, which specifically includes the following steps:

[0050] Step 1. The first white background printing: the first white background printing layer is printed on the back of the glass panel of the mobile phone by screen printing. The printing materials required by weight are: 100 parts of ink, 8 parts of curing agent and thinner 3 copies, the screen mesh number of the screen printing is 420, the hardness of the squeegee board is 80A, the curing temperature is 140°C, the curing time is 40 minutes, and the overall thickness of the ink after printing is 7μm.

[0051] Step 2. The second white background printing: the second white background printing layer is printed on the first white background printing layer. The printing materials required by weight are: 100 parts of ink, 9 parts of curing agent and 4 parts of diluent , The screen mesh of the screen...

Embodiment 3

[0055] A printing process for a glass panel of a mobile phone is to perform multiple bottom cover printing on the back of the glass panel, which specifically includes the following steps:

[0056] Step 1. The first white background printing: the first white background printing layer is printed on the back of the glass panel by screen printing. The materials required for printing are: 100 parts of ink, 10 parts of curing agent and 4 parts by weight. The screen printing screen mesh is 450 meshes, the hardness of the squeegee is 70A, the curing temperature is 150°C, the curing time is 25 minutes, and the thickness of the printing ink is 7μm.

[0057] Step 2. The second white background printing: the second white background printing layer is printed on the first white background printing layer. The materials required for printing are: 100 parts of ink, 10 parts of curing agent and 4 parts by weight. The screen printing screen mesh number is 370 meshes, the hardness of the squeegee is 8...

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Abstract

The invention relates to the technical field of printing and preparation of mobile phone panels, in particular to a printing process for mobile phone glass panels, including the first white printing, the second white printing, the third gray printing, and the fourth cover printing , the prepared mobile phone panel has the characteristics of good shading effect, good ink coating effect, excellent adhesion performance and simple operation process.

Description

technical field [0001] The invention relates to the technical field of printing and preparation of mobile phone panels, in particular to a printing process for mobile phone glass panels. Background technique [0002] With the advent of the information age, as a communication tool for mutual communication and exchange, the role of mobile phones is becoming more and more important. The characteristics of diversification, fashion and rapid replacement of mobile phones are becoming more and more prominent. On the one hand, the ever-expanding mobile phone market has directly brought about a straight-up increase in the number of panel orders. On the other hand, the fashion and diversification of mobile phones has put forward more requirements for manufacturers. Screen printing technology is an important aspect in the production of mobile phone panels. The most important and one of the most critical processes. Design schemes with different requirements have different requirements...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B41M1/12B41M1/34
Inventor 王春桥陈兵张军伟
Owner 萍乡星弛光电科技有限公司
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