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Method for manufacturing high-transmittance curved cover plate

A technology with high transmittance and manufacturing method, applied in the field of touch screen and terminal, can solve the problems of low efficiency of silk screen printing ink, easy to be contaminated by ink, low transmittance of visual area, etc., so as to improve the quality and production efficiency. , to avoid pollution and improve the effect of transmittance

Inactive Publication Date: 2018-11-16
TRULY OPTO ELECTRONICS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0008] The purpose of the present invention is to provide a method for manufacturing a curved cover plate with high transmittance, so as to solve the problem that the visual area is easily polluted by ink, the transmittance of the visual area is low, and the efficiency of the silk screen ink link is low in the production process of the cover plate ink in the prior art. , technical problems with high scrap rate

Method used

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  • Method for manufacturing high-transmittance curved cover plate
  • Method for manufacturing high-transmittance curved cover plate
  • Method for manufacturing high-transmittance curved cover plate

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0045] Such as figure 1 As shown, the method for manufacturing a high-transmittance curved cover plate provided in this embodiment is characterized in that it includes the following steps:

[0046] S1: Prepare a PET decorative film, and cut the decorative film to have the same surface area as the curved cover;

[0047] S2: Determine the position and size of the viewing area on the PET decorative film according to the viewing area position and size of the cover plate;

[0048] S3: Screen printing ink on the PET decorative film outside the viewing area to obtain a PET decorative film with silk screen printing ink outside the viewing area;

[0049] S4: OCA is fully bonded to the surface of the PET decorative film screen printing ink side;

[0050] S5: Use a laser die to cut off the viewing area of ​​the PET decorative film to obtain a frame-shaped hollow screen printing ink PET decorative film;

[0051] S6: The frame-shaped hollow screen printing ink PET decorative film obtain...

Embodiment 2

[0054] Such as figure 2 As shown, the method for manufacturing a high-transmittance curved cover plate provided in this embodiment is characterized in that it includes the following steps:

[0055] S1: Prepare a PC decorative film, and cut the decorative film to have the same surface area as the curved cover;

[0056] S2: Determine the position and size of the viewing area on the PC decorative film according to the viewing area position and size of the cover plate;

[0057] S3: screen printing ink on the area outside the viewing area of ​​the PC decorative film to obtain a PC decorative film with silk screen printing ink outside the viewing area;

[0058] S4: Attach OCA to the surface of the screen printing ink side of the PC decorative film; where the OCA is attached only to the area outside the viewing area on the PC decorative film;

[0059] S5: Use a laser die to cut off the viewing area of ​​the PC decorative film to obtain a frame-shaped hollow screen printing ink PC ...

Embodiment 3

[0063] Such as image 3 As shown, the method for manufacturing a high-transmittance curved cover plate provided in this embodiment is characterized in that it includes the following steps:

[0064] S1: Prepare a COC decorative film, and cut the decorative film to have the same surface area as the curved cover;

[0065] S2: Determine the position and size of the viewing area on the COC decorative film according to the viewing area position and size of the cover plate;

[0066] S3: silk screen printing ink on the area outside the viewing area of ​​the COC decorative film to obtain a COC decorative film with silk screen printing ink outside the viewing area;

[0067] S4: Attach OCA to the surface of the silk screen ink side of the COC decorative film; wherein, the OCA lamination is for the screen printing ink area and the 5mm extension from the edge of the screen printing ink area to the viewing area area;

[0068] S5: Use a laser die to punch out the viewing area of ​​the COC ...

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Abstract

The invention provides a method for manufacturing a high-transmittance curved cover plate. According to the invention, a vision area part of a decorative film screened with printing ink is punched off, and then the decorative film screened with printing ink and the cover plate are bonded together, the cover plate having no decorative film attached to the vision area part can be obtained, the transmittance of the cover plate is effectively improved, and the vision area part of the decorative film is removed. The occurrence of contamination on the vision area of the decorative film by the printing ink can be effectively avoided, so that the yield of the product is increased by at least 2%, and the transmittance is increased by at least 9%. The quality of the product and the efficiency of production are effectively improved. Furthermore, a touch screen or a terminal prepared by the high-transmittance curved cover plate prepared by the above method has good transmittance.

Description

technical field [0001] The invention relates to the technical field of curved cover plates, in particular to a method for processing a curved cover plate with high transmittance, a curved cover plate prepared by the method, and a touch screen and a terminal using the curved cover plate. Background technique [0002] The cover plate is an inevitable component of electronic equipment terminals such as mobile phones and tablet computers. It is attached to the top of the display screen and has the functions of scratch resistance and wear resistance, and is used to protect the display screen. In recent years, with the popularization of the full screen concept, matching curved cover products have also come out one after another. Although various manufacturers are working hard to increase the screen-to-body ratio of mobile phones, tablets and other devices, judging from the current technology, It is impossible for the screen-to-body ratio to reach 1, that is to say, the area of ​​t...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B44C5/04G06F3/041
CPCB44C5/04G06F3/041G06F2203/04103
Inventor 张文庆李锋
Owner TRULY OPTO ELECTRONICS
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