CN104461141A - Production method of bonding area silver paste protection structure of touch screen - Google Patents
Production method of bonding area silver paste protection structure of touch screen Download PDFInfo
- Publication number
- CN104461141A CN104461141A CN201410749621.XA CN201410749621A CN104461141A CN 104461141 A CN104461141 A CN 104461141A CN 201410749621 A CN201410749621 A CN 201410749621A CN 104461141 A CN104461141 A CN 104461141A
- Authority
- CN
- China
- Prior art keywords
- silver slurry
- silver paste
- screen
- pad
- binding district
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
- G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
- G06F3/0412—Digitisers structurally integrated in a display
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F2203/00—Indexing scheme relating to G06F3/00 - G06F3/048
- G06F2203/041—Indexing scheme relating to G06F3/041 - G06F3/045
- G06F2203/04103—Manufacturing, i.e. details related to manufacturing processes specially suited for touch sensitive devices
Abstract
The invention discloses a production method of a bonding area silver paste protection structure of a touch screen. The method includes: firstly, performing silk screen printing of silver paste on a transparent conducting layer attached to a PET (polyethylene terephthalate) substrate by utilizing screen patterns to form sliver paste routes and bonding area silver paste bonding pads; secondly, etching the sliver paste routes, the silver paste bonding pads and the transparent conducting layer; thirdly, performing silk screen printing of a special insulation layer on the sliver paste routes and bonding area silver paste bonding pads; fourthly, attaching AFC adhesive onto the bonding area silver paste bonding pads by a sticking machine to form an AFC adhesive layer; finally, aligning FPC (flexible printed circuit) bonding fingers to the bonding area silver paste bonding pads one by one prior to hot pressing. By the silver paste protection structure produced by the method, the problems of damage and air oxidation to the bonding area silver paste and the like can be solved, the structure is particularly targeted to the touch-screen bonding area surface silver paste printed on carbon nano tubes, metal meshes, silver nanowires, graphene and the like, and damage or stripping of the silver paste due to external force can be reduced.
Description
Technical field
The present invention relates to a kind of preparation method of touch screen protective structure, be related specifically to the preparation method of the operator guards of a kind of touch-screen binding district silver slurry.
Background technology
At present, silver slurry is widely used in touch-screen, but in the processing procedure process of touch-screen, because silver slurry is outside exposed, solution is needed to avoid the problems such as the damage of silver slurry and oxidation by air, particularly for the silver slurry on the touch-screen binding surface, district be printed on the materials such as carbon nano-tube, metal grill, nano silver wire, Graphene, due to the poor adhesive force of silver slurry on such nesa coating, sustain damage because of external force or the risk that comes off larger.For the problems referred to above, the measure generally taked stamps dielectric ink protection on silver slurry cabling, but touch-screen binding district silver slurry is because will contact conducting with FPC golden finger etc., so can not protect with dielectric ink, still naked leakage outside.
Summary of the invention
In view of this, the object of this invention is to provide the preparation method of the operator guards of a kind of touch-screen binding district silver slurry, effectively can solve the problems such as the silver slurry damage of touch-screen binding district and oxidation by air.
The operator guards of touch-screen binding district of the present invention silver slurry comprises PET basic unit, transparency conducting layer, binding district silver slurry pad, extraordinary insulation course, conducting particles, ACF glue-line and FPC golden finger, and described PET basic unit is positioned at bottommost, it is transparency conducting layer; Be extraordinary insulation course on described transparency conducting layer, it is inner that described binding district silver slurry pad is positioned at extraordinary insulation course, and be electrically connected with transparency conducting layer; Described ACF glue-line is positioned on extraordinary insulation course; Described conducting particles is positioned at ACF glue layer; Described FPC golden finger position is on ACF glue-line.
A preparation method for touch-screen binding district silver slurry operator guards, specifically comprises the following steps:
1) transparency conducting layer on PET base utilizes half tone figure silk-screen silver slurry being attached to, form silver slurry cabling and binding district silver slurry pad;
2) laser ablation is carried out to silver slurry cabling, binding district silver slurry pad and transparency conducting layer;
3) the extraordinary insulation course of silk-screen on silver slurry cabling and binding district silver slurry pad;
4) on binding district silver slurry pad, AFC glue is attached with docile machine; Form AFC glue-line;
5) FPC golden finger and binding district silver are starched pad contraposition carry out hot-pressing processing one by one.
Described step 1) half tone used is 400-500 order polyester webs or stainless (steel) wire, and the shore hardness of silk-screen frictioning is 65-70 degree, and the condition of cure after the printing of silver slurry is temperature 150-160 DEG C, time 15-18min; Described step 2) in the wavelength of laser instrument that adopts of laser ablation be 1064nm; Silver slurry cabling and binding district silver slurry pad are carried out to the laser power 10W of laser ablation, laser pulse frequency is 50Hz-85Hz, and laser ablation linear velocity is 1600mm/s-2000mm/s, and etching multiplicity is 5 times-6 times; Transparency conducting layer is carried out to the laser power 8W of laser ablation, laser pulse frequency is 30kHz-110kHz, and laser ablation linear velocity is 1600mm/s-2000mm/s, and etching multiplicity is 2 times-3 times; In described step 3), silk-screen condition toasts 16-20min under temperature is 40-45 DEG C of condition, then under temperature is 135-140 DEG C of condition, carries out 6-8min solidification, and half tone used is 250-350 order polyester webs, and the shore hardness of silk-screen frictioning is 60-65 degree; In described step 4), the width of ACF used is identical with the width that binding district silver starches pad, and length should cover all binding district silver slurry pads, can exceed 0.4-0.5mm; In described step 5), hot pressing condition is temperature 120-125 DEG C, pressure 0.17-0.20Mpa, time 22-25s.
Compared with prior art; the beneficial effect of the operator guards of touch-screen binding district of the present invention silver slurry is: effectively can solve the problems such as the silver slurry damage of touch-screen binding district and oxidation by air; silver particularly for the surface, binding district be printed on the materials such as carbon nano-tube, metal grill, nano silver wire, Graphene is starched, and can reduce silver slurry and sustains damage because of external force or come off.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the invention will be further described:
Fig. 1 is the structural representation before the operator guards hot-pressing processing of touch-screen of the present invention binding district silver slurry;
Fig. 2 is the structural representation after the operator guards hot-pressing processing of touch-screen of the present invention binding district silver slurry;
In figure each mark corresponding to title be respectively: PET basic unit 1, transparency conducting layer 2, binding district silver slurry pad 3, extraordinary insulation course 4, conducting particles 5, ACF glue-line 6, FPC golden finger 7.
Embodiment
Fig. 1 is the structural representation before the operator guards hot-pressing processing of touch-screen of the present invention binding district silver slurry, Fig. 2 is the structural representation after the operator guards hot-pressing processing of touch-screen of the present invention binding district silver slurry, as shown in the figure: the operator guards of the touch-screen binding district silver slurry of the present embodiment comprises PET basic unit 1, transparency conducting layer 2, binding district silver slurry pad 3, extraordinary insulation course 4, conducting particles 5, ACF glue-line 6 and FPC golden finger 7, described PET basic unit 1 is positioned at bottommost, it is transparency conducting layer 2; Be extraordinary insulation course 4 on described transparency conducting layer 2, it is inner that described binding district silver slurry pad 3 is positioned at extraordinary insulation course 4, and be electrically connected with transparency conducting layer 2; Described ACF glue-line 6 is positioned on extraordinary insulation course 4; It is inner that described conducting particles 5 is positioned at ACF glue-line 6; Described FPC golden finger 7 is positioned on ACF glue-line 6.
Principle of the present invention is: due to the existence of extraordinary insulation course 4, touch-screen is effectively prevented to bind the problems such as district's silver slurry damage and oxidation by air, silver particularly for the surface, binding district be printed on the materials such as carbon nano-tube, metal grill, nano silver wire, Graphene is starched, and can reduce silver slurry and sustains damage because of external force or come off.Simultaneously during hot-pressing processing due to the effect of temperature and pressure, the conducting particles 5 in ACF glue-line 6 will pierce through extraordinary insulation course 4, FPC golden finger 7 and binding district silver be starched pad 3 and contact conducting.
A preparation method for touch-screen binding district silver slurry operator guards, specifically comprises the following steps:
1) on the transparency conducting layer 2 be attached on PET base 1, utilize half tone figure silk-screen silver slurry, form silver slurry cabling and binding district silver slurry pad 3;
2) laser ablation is carried out to silver slurry cabling, binding district silver slurry pad 3 and transparency conducting layer 2;
3) the extraordinary insulation course 4 of silk-screen on silver slurry cabling and binding district silver slurry pad 3;
4) on binding district silver slurry pad 3, AFC glue is attached with docile machine; Form AFC glue-line 6;
5) FPC golden finger 7 and binding district silver are starched pad 3 contraposition carry out hot-pressing processing one by one.
It is characterized in that: described step 1) half tone used is 400-500 order polyester webs or stainless (steel) wire, the shore hardness of silk-screen frictioning is 65-70 degree, and the condition of cure after the printing of silver slurry is temperature 150-160 DEG C, time 15-18min; Described step 2) in the wavelength of laser instrument that adopts of laser ablation be 1064nm; Silver slurry cabling and binding district silver slurry pad 3 are carried out to the laser power 10W of laser ablation, laser pulse frequency is 50Hz-85Hz, and laser ablation linear velocity is 1600mm/s-2000mm/s, and etching multiplicity is 5 times-6 times; Transparency conducting layer 2 is carried out to the laser power 8W of laser ablation, laser pulse frequency is 30kHz-110kHz, and laser ablation linear velocity is 1600mm/s-2000mm/s, and etching multiplicity is 2 times-3 times; In described step 3), silk-screen condition toasts 16-20min under temperature is 40-45 DEG C of condition, then under temperature is 135-140 DEG C of condition, carries out 6-8min solidification, and half tone used is 250-350 order polyester webs, and the shore hardness of silk-screen frictioning is 60-65 degree; In described step 4), the width of ACF used is identical with the width that binding district silver starches pad 3, and length should cover all binding district silver slurry pads 3, can exceed 0.4-0.5mm; In described step 5), hot pressing condition is temperature 120-125 DEG C, pressure 0.17-0.20Mpa, time 22-25s.
What finally illustrate is, above embodiment is only in order to illustrate technical scheme of the present invention and unrestricted, although with reference to preferred embodiment to invention has been detailed description, those of ordinary skill in the art is to be understood that, can modify to technical scheme of the present invention or equivalent replacement, and not departing from aim and the scope of technical solution of the present invention, it all should be encompassed in the middle of right of the present invention.
Claims (1)
1. a preparation method for touch-screen binding district silver slurry operator guards, specifically comprises the following steps:
Transparency conducting layer (2) on PET base (1) utilizes half tone figure silk-screen silver slurry being attached to, form silver slurry cabling and binding district's silver slurry pad (3);
Laser ablation is carried out to silver slurry cabling, binding district's silver slurry pad (3) and transparency conducting layer (2);
Silver slurry cabling and the extraordinary insulation course (4) of the upper silk-screen of binding district's silver slurry pad (3);
With docile machine at binding district's silver slurry pad (3) upper attaching AFC glue, form AFC glue-line (6);
FPC golden finger (7) and binding district silver are starched pad (3) contraposition carry out hot-pressing processing one by one;
It is characterized in that: described step 1) half tone used is 400-500 order polyester webs or stainless (steel) wire, the shore hardness of silk-screen frictioning is 65-70 degree, and the condition of cure after the printing of silver slurry is temperature 150-160 DEG C, time 15-18min; Described step 2) in the wavelength of laser instrument that adopts of laser ablation be 1064nm; Silver slurry cabling and binding district's silver slurry pad (3) are carried out to the laser power 10W of laser ablation, laser pulse frequency is 50Hz-85Hz, and laser ablation linear velocity is 1600mm/s-2000mm/s, and etching multiplicity is 5 times-6 times; Transparency conducting layer (2) is carried out to the laser power 8W of laser ablation, laser pulse frequency is 30kHz-110kHz, and laser ablation linear velocity is 1600mm/s-2000mm/s, and etching multiplicity is 2 times-3 times; In described step 3), silk-screen condition toasts 16-20min under temperature is 40-45 DEG C of condition, then under temperature is 135-140 DEG C of condition, carries out 6-8min solidification, and half tone used is 250-350 order polyester webs, and the shore hardness of silk-screen frictioning is 60-65 degree; In described step 4), the width of ACF used is identical with the width that binding district silver starches pad (3), and length should cover all binding districts silver slurry pad (3), can exceed 0.4-0.5mm; In described step 5), hot pressing condition is temperature 120-125 DEG C, pressure 0.17-0.20Mpa, time 22-25s.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410749621.XA CN104461141A (en) | 2014-12-10 | 2014-12-10 | Production method of bonding area silver paste protection structure of touch screen |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410749621.XA CN104461141A (en) | 2014-12-10 | 2014-12-10 | Production method of bonding area silver paste protection structure of touch screen |
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| CN104461141A true CN104461141A (en) | 2015-03-25 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410749621.XA Pending CN104461141A (en) | 2014-12-10 | 2014-12-10 | Production method of bonding area silver paste protection structure of touch screen |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107718917A (en) * | 2017-10-30 | 2018-02-23 | 无锡变格新材料科技有限公司 | The touch screen silver wire technology that a kind of silk-screen printing and laser printing are combined |
| CN109766021A (en) * | 2017-11-09 | 2019-05-17 | 乐金显示有限公司 | El display device and its manufacturing method |
| CN112895747A (en) * | 2020-12-14 | 2021-06-04 | 深圳市欧珀达科技有限公司 | Method for solving printing deviation of oversized touch screen and oversized touch screen |
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| CN1746732A (en) * | 2004-09-09 | 2006-03-15 | 鸿富锦精密工业（深圳）有限公司 | Display panels and circuit substrate manufacturing method thereof |
| CN1862327A (en) * | 2006-06-12 | 2006-11-15 | 友达光电股份有限公司 | Signal transmission assembly and display using same |
| CN102103428A (en) * | 2009-12-18 | 2011-06-22 | 群康科技(深圳)有限公司 | Flexible circuit board combining method of touch display device and touch display device |
| TW201126390A (en) * | 2010-01-26 | 2011-08-01 | Innolux Display Corp | Touch display device and method for bonding FPC thereof |
| KR20130033888A (en) * | 2011-09-27 | 2013-04-04 | 엘지이노텍 주식회사 | Method for manufacturing touch panel |
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2014
- 2014-12-10 CN CN201410749621.XA patent/CN104461141A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN1746732A (en) * | 2004-09-09 | 2006-03-15 | 鸿富锦精密工业（深圳）有限公司 | Display panels and circuit substrate manufacturing method thereof |
| CN1862327A (en) * | 2006-06-12 | 2006-11-15 | 友达光电股份有限公司 | Signal transmission assembly and display using same |
| CN102103428A (en) * | 2009-12-18 | 2011-06-22 | 群康科技(深圳)有限公司 | Flexible circuit board combining method of touch display device and touch display device |
| TW201126390A (en) * | 2010-01-26 | 2011-08-01 | Innolux Display Corp | Touch display device and method for bonding FPC thereof |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107718917A (en) * | 2017-10-30 | 2018-02-23 | 无锡变格新材料科技有限公司 | The touch screen silver wire technology that a kind of silk-screen printing and laser printing are combined |
| CN107718917B (en) * | 2017-10-30 | 2019-08-13 | 无锡变格新材料科技有限公司 | The touch screen silver wire technique that a kind of silk-screen printing and laser printing combine |
| CN109766021A (en) * | 2017-11-09 | 2019-05-17 | 乐金显示有限公司 | El display device and its manufacturing method |
| CN109766021B (en) * | 2017-11-09 | 2022-04-12 | 乐金显示有限公司 | Electroluminescent display device and method for manufacturing the same |
| CN112895747A (en) * | 2020-12-14 | 2021-06-04 | 深圳市欧珀达科技有限公司 | Method for solving printing deviation of oversized touch screen and oversized touch screen |
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Application publication date: 20150325 |