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An improved manufacturing process of touch screen with pg structure

A manufacturing process, touch screen technology, applied in the input/output process of data processing, instruments, electrical and digital data processing, etc. High, lower production costs, and improved performance

Inactive Publication Date: 2018-05-01
JIANGXI PINGBO ELECTRONICS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The PG structure touch screen is composed of sensor glass + PET plastic cover structure. The PG structure touch screen is widely used due to the advantage of low production cost. However, the existing PG structure touch screen has many uncontrollable factors, resulting in low product yield. poor performance

Method used

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  • An improved manufacturing process of touch screen with pg structure
  • An improved manufacturing process of touch screen with pg structure
  • An improved manufacturing process of touch screen with pg structure

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0056] A manufacturing process of a touch screen with an improved PG structure, which includes a front-end process and a back-end process:

[0057] A, front section process, it comprises the following steps successively:

[0058] Step A1, cleaning the DITO glass, the DITO glass includes a glass layer, the front side of the glass layer is provided with an ITO layer, and the back side of the glass layer is also provided with an ITO layer;

[0059] Step A2, the ITO layer of DITO glass front and back frame area is all printed acid-resistant ink, then the ITO layer of DITO glass front and back window area is etched for the first time with the first etchant, and the second etchant is used for the second Etching once to obtain DITO glass with ITO traces on the front and back, and then remove the acid-resistant ink with lye;

[0060] Step A3, printing protective glue on the front and back window areas of the etched DITO glass respectively, and silk-screening conductive silver paste o...

Embodiment 2

[0102] A manufacturing process of a touch screen with an improved PG structure, which includes a front-end process and a back-end process:

[0103] A, front section process, it comprises the following steps successively:

[0104] Step A1, cleaning the DITO glass, the DITO glass includes a glass layer, the front side of the glass layer is provided with an ITO layer, and the back side of the glass layer is also provided with an ITO layer;

[0105] Step A2, the ITO layer of DITO glass front and back frame area is all printed acid-resistant ink, then the ITO layer of DITO glass front and back window area is etched for the first time with the first etchant, and the second etchant is used for the second Etching once to obtain DITO glass with ITO traces on the front and back, and then remove the acid-resistant ink with lye;

[0106] Step A3, printing protective glue on the front and back window areas of the etched DITO glass respectively, and silk-screening conductive silver paste o...

Embodiment 3

[0148] A manufacturing process of a touch screen with an improved PG structure, which includes a front-end process and a back-end process:

[0149] A, front section process, it comprises the following steps successively:

[0150] Step A1, cleaning the DITO glass, the DITO glass includes a glass layer, the front side of the glass layer is provided with an ITO layer, and the back side of the glass layer is also provided with an ITO layer;

[0151] Step A2, the ITO layer of DITO glass front and back frame area is all printed acid-resistant ink, then the ITO layer of DITO glass front and back window area is etched for the first time with the first etchant, and the second etchant is used for the second Etching once to obtain DITO glass with ITO traces on the front and back, and then remove the acid-resistant ink with lye;

[0152] Step A3, printing protective glue on the front and back window areas of the etched DITO glass respectively, and silk-screening conductive silver paste o...

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Abstract

The present invention relates to the technical field of touch screens, in particular to an improved manufacturing process of touch screens with PG structure. In the present invention, the process of silk screen conductive silver paste is placed in front of the process of printing insulating glue, and only one layer of insulating glue is used. Compared with the existing There is a traditional technology that uses two layers of insulating glue, which reduces a yellow light process, simplifies the process of touching the screen, and reduces the production cost; The selection of pulp is controlled in several aspects, so that the product yield of the present invention is high and the performance is also greatly improved compared with similar products.

Description

technical field [0001] The invention relates to the technical field of touch screens, in particular to an improved manufacturing process of a touch screen with a PG structure. Background technique [0002] The touch screen is an input device that significantly improves the man-machine interface, and has the advantages of intuition, simplicity and speed. Touch screens have been widely used in many electronic products, such as mobile phones, PDAs, multimedia, public information inquiry systems, and the like. [0003] The PG structure touch screen is composed of sensor glass + PET plastic cover structure. The PG structure touch screen is widely used due to the advantage of low production cost. However, the existing PG structure touch screen has many uncontrollable factors, resulting in low product yield. Poor performance. Contents of the invention [0004] The object of the present invention is to provide an improved manufacturing process of a touch screen with a PG structu...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06F3/041
Inventor 李林波
Owner JIANGXI PINGBO ELECTRONICS
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