CN102794975A - Process for laminating sensing substrate and transparent surface cover of touch screen - Google Patents
Process for laminating sensing substrate and transparent surface cover of touch screen Download PDFInfo
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- CN102794975A CN102794975A CN2012102452714A CN201210245271A CN102794975A CN 102794975 A CN102794975 A CN 102794975A CN 2012102452714 A CN2012102452714 A CN 2012102452714A CN 201210245271 A CN201210245271 A CN 201210245271A CN 102794975 A CN102794975 A CN 102794975A
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Abstract
The invention relates to the technical field of production processes of electronic products, and in particular relates to a process for laminating a sensing substrate and a transparent surface cover of a touch screen. The process comprises the following steps of: forming an initial laminated screen by an OCA (optical channel analyzer) optical adhesive, the transparent surface cover and the sensing substrate, stacking more than two initial laminated screens, placing the stacked initial laminated screens in a laminating chamber of a laminating machine to vacuumize, starting an upper press plate to press the stacked initial laminated screens so that the sensing substrate and the transparent surface cover of each of the stacked initial laminated screens are closely laminated under the pressure of vacuum and the upper press plate. According to the process disclosed by the invention, under double actions of the vacuum and the pressure of the upper press plate, a situation that local refractivity changes or air bubbles generate due to uneven stress of a manual laminating assembly manner is effectively avoided, and a display effect of a display screen is improved; and in addition, more than two initial laminated screens are placed on the laminating machine to be laminated so that the lamination of multiple products is finished once and the production efficiency is improved.
Description
Technical field:
The present invention relates to the electronic product technical field of producing, relate in particular to a kind of induction substrate of touch screen and the attaching process of transparent cover.
Background technology:
High speed development along with electronic technology; The use of touch screen is more and more wider; Especially the significant progress that in mobile phone, obtains; Along with the mobile phone market scale continues to increase, and mobile intelligent, facilitation degree are required increasingly high, touch screen also can be more and more universal as a kind of the most friendly application of man-machine interface on mobile phone.Except mobile phone, touch screen in the application of vehicle electric field also more and more widely.Along with the fast development of car industry, people are also increasingly high to the requirement of automobile entertainment information system, and onboard navigation system, the interior video and music entertainment system of car etc. begins to be popularized.The touch screen market that is used for portable navigation device and other electronic equipments will reach 600,000,000 dollars in 2012.Retail business also is the staple market that following touch screen is used.Along with commercial POS (point of sale) system is applied in the industries such as retail business, catering trade more and more, the application of touch screen on POS system is also more and more universal.Whole world retail business estimates will account for 18.2% of touch screen total size in 2012 that with the market scale of touch screen sales volume reaches 800,000,000 dollars.In addition, along with the release of windowS7 operating system, this also will drive the growth of touch screen in the PC industry.Add the touch-controlization in fields such as touch screen industrial control field, medical field, common query system, lottery industry field, self-service terminal, the market space of touch screen has the trend of continuous amplification.
The production scale of touch screen also enlarges day by day, and the topmost feeldevice of touch screen is mounted in the induction substrate of transparent cover below, and transparent cover is arranged on the outer end of induction substrate in product; Play the effect of protection induction substrate; Couple together through the OCA optical cement between transparent cover and the induction substrate, the OCA optical cement is to have the high grade of transparency, and light transmittance reaches more than 99%; At strong illumination, hot and humid environment uses also harmless outward appearance down.At present, between transparent cover and induction substrate, pass through the applying production of OCA glue, in a lot of enterprises; Be through the manual assembly assembling, can cause OCA glue-line unbalance stress, local indexes of refraction changes or produces bubble; Influence display screen display effect, product rejection rate is high, and production efficiency is low.
Summary of the invention:
The object of the invention is exactly to producing the deficiency that exists through the applying of OCA optical cement between the transparent cover of prior art and the induction substrate a kind of induction substrate of the touch screen that overcomes the above problems and the attaching process of transparent cover to be provided.
To achieve these goals, the technical scheme of the present invention's employing is:
A kind of induction substrate of touch screen and the attaching process of transparent cover, said attaching process comprises following processing step:
A, tear the mould release membrance of OCA optical cement one side;
B, the OCA optical cement that will the tear mould release membrance one side transparent cover that aligns does not have the preliminary applying of pressure;
C, tear the mould release membrance of OCA optical cement another side;
D, with the OCA optical cement tore mould release membrance in last step the stress-free preliminary applying of one side alignment induction substrate, form the screen of just fitting;
E, the screen of fitting at the beginning of will at least two are neat together superimposed, insert on the support supporting plate of applying chamber of make-up machine;
F, vacuumize in the applying chamber of make-up machine, start top board and press to the first applying screen that supports on the supporting plate, under the pressure of vacuum and top board, the induction substrate of the screen of fitting at the beginning of every is tight with the applying of transparent cover, accomplishes attaching process of the present invention.
Preferable, also can earlier induction substrate and OCA optical cement tentatively be fitted among the said step b, the another side of OCA optical cement is tentatively fitted with transparent cover again in steps d, thereby forms the screen of just fitting.
Preferable, among the said step e, the quantity of the screen of just fitting is 2-7 spare.
Beneficial effect of the present invention is: the induction substrate of a kind of touch screen of the present invention and the attaching process of transparent cover; Form the screen of just fitting through OCA optical cement and transparent cover and induction substrate; Superimposed first applying screen more than two, the applying chamber that is placed on make-up machine vacuumizes, and the startup top board is pressed to stacked first applying screen; Under the pressure of vacuum and top board, induction substrate and transparent cover that stacked first applying screen is every are fitted closely; Attaching process of the present invention under double action under the pressure of vacuum and top board, effectively avoids manual assembly assembling unbalance stress to cause that local indexes of refraction changes or produces bubble; Promote display screen display effect, reduce waste product and produce, promote the qualification rate of product; Reduce cost; The applying that places make-up machine through superimposed first applying screen more than two in addition, single is accomplished the applying of many products, enhances productivity.
The specific embodiment:
Embodiment 1,
The induction substrate of the touch screen of present embodiment and the attaching process of transparent cover, under the situation of getting all the OCA optical cement that is complementary, transparent cover, induction substrate ready, attaching process comprises following processing step:
A, tear the mould release membrance of OCA optical cement one side;
B, the OCA optical cement that will the tear mould release membrance one side transparent cover that aligns there is no the preliminary applying of pressure; Stress-free preliminary applying and nisi no pressure contact; Just the cementability that both are contacted by the OCA optical cement naturally makes both preliminary combinations, does not have and adds artificial extruding force (being adapted to reach in following examples in the steps d);
C, tear the mould release membrance of OCA optical cement another side;
D, with the OCA optical cement tore mould release membrance in last step the stress-free preliminary applying of one side alignment induction substrate, form the screen of just fitting;
E, the screen of fitting at the beginning of two is neat together superimposed inserts on the support supporting plate of applying chamber of make-up machine;
F, vacuumize in the applying chamber of make-up machine, start top board and press to the first applying screen that supports on the supporting plate, under the pressure of vacuum and top board, the induction substrate of the screen of fitting at the beginning of every is tight with the applying of transparent cover, accomplishes attaching process of the present invention.
Embodiment 2,
The induction substrate of the touch screen of present embodiment and the attaching process of transparent cover, under the situation of getting all the OCA optical cement that is complementary, transparent cover, induction substrate ready, attaching process comprises following processing step:
A, tear the mould release membrance of OCA optical cement one side;
B, will tear the OCA optical cement alignment induction substrate and the stress-free preliminary applying of mould release membrance one side;
C, tear the mould release membrance of OCA optical cement another side;
The stress-free preliminary applying of transparent cover of aliging of d, the OCA optical cement was torn mould release membrance in last step one side forms the screen of just fitting;
E, the screen of fitting at the beginning of 5 is neat together superimposed inserts on the support supporting plate of applying chamber of make-up machine;
F, vacuumize in the applying chamber of make-up machine, start top board and press to the first applying screen that supports on the supporting plate, under the pressure of vacuum and top board, the induction substrate of the screen of fitting at the beginning of every is tight with the applying of transparent cover, accomplishes attaching process of the present invention.
Embodiment 3,
The induction substrate of the touch screen of present embodiment and the attaching process of transparent cover, under the situation of getting all the OCA optical cement that is complementary, transparent cover, induction substrate ready, attaching process comprises following processing step:
A, tear the mould release membrance of OCA optical cement one side;
B, the OCA optical cement that will the tear mould release membrance one side transparent cover that aligns does not have the preliminary applying of pressure;
C, tear the mould release membrance of OCA optical cement another side;
D, with the OCA optical cement tore mould release membrance in last step the stress-free preliminary applying of one side alignment induction substrate, form the screen of just fitting;
E, the screen of fitting at the beginning of 7 is neat together superimposed inserts on the support supporting plate of applying chamber of make-up machine;
F, vacuumize in the applying chamber of make-up machine, start top board and press to the first applying screen that supports on the supporting plate, under the pressure of vacuum and top board, the induction substrate of the screen of fitting at the beginning of every is tight with the applying of transparent cover, accomplishes attaching process of the present invention.
The induction substrate of a kind of touch screen of the present invention and the attaching process of transparent cover; Form the screen of just fitting through OCA optical cement and transparent cover and induction substrate; Superimposed first applying screen more than two, the applying chamber that is placed on make-up machine vacuumizes, and the startup top board is pressed to stacked first applying screen; Under the pressure of vacuum and top board, induction substrate and transparent cover that stacked first applying screen is every are fitted closely; Attaching process of the present invention; Under double action under the pressure of vacuum and top board; Effectively avoid manual assembly assembling unbalance stress to cause that local indexes of refraction changes or produces bubble, promotes display screen display effect, in the applying that places make-up machine through superimposed first applying screen more than two in addition; Single is accomplished the applying of many products, enhances productivity.
Certainly, the above only is preferred embodiment of the present invention, so all equivalences of doing according to the described structure of patent claim of the present invention, characteristic and principle change or modify, includes in patent claim of the present invention.
Claims (3)
1. the induction substrate of a touch screen and the attaching process of transparent cover is characterized in that, said attaching process comprises following processing step:
A, tear the mould release membrance of OCA optical cement one side;
B, the OCA optical cement that will the tear mould release membrance one side transparent cover that aligns does not have the preliminary applying of pressure;
C, tear the mould release membrance of OCA optical cement another side;
D, with the OCA optical cement tore mould release membrance in last step the stress-free preliminary applying of one side alignment induction substrate, form the screen of just fitting;
E, the screen of fitting at the beginning of will at least two are neat together superimposed, insert on the support supporting plate of applying chamber of make-up machine;
F, vacuumize in the applying chamber of make-up machine, start top board and press to the first applying screen that supports on the supporting plate, under the pressure of vacuum and top board, the induction substrate of the screen of fitting at the beginning of every is tight with the applying of transparent cover, accomplishes attaching process of the present invention.
2. the induction substrate of a kind of touch screen according to claim 1 and the attaching process of transparent cover; It is characterized in that: also can earlier induction substrate and OCA optical cement tentatively be fitted among the said step b; The another side of OCA optical cement is tentatively fitted with transparent cover again in steps d, thereby forms the screen of just fitting.
3. the induction substrate of a kind of touch screen according to claim 1 and the attaching process of transparent cover is characterized in that: among the said step e, the quantity of the screen of just fitting is 2-7 spare.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012102452714A CN102794975A (en) | 2012-07-16 | 2012-07-16 | Process for laminating sensing substrate and transparent surface cover of touch screen |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2012102452714A CN102794975A (en) | 2012-07-16 | 2012-07-16 | Process for laminating sensing substrate and transparent surface cover of touch screen |
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| CN102794975A true CN102794975A (en) | 2012-11-28 |
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| CN2012102452714A Pending CN102794975A (en) | 2012-07-16 | 2012-07-16 | Process for laminating sensing substrate and transparent surface cover of touch screen |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103472970A (en) * | 2013-09-26 | 2013-12-25 | 无锡宇宁光电科技有限公司 | Method for removing solid optical glue joint air bubbles of capacitive screen |
| CN105330172A (en) * | 2015-11-19 | 2016-02-17 | 宏杰科技有限公司 | Manufacturing method of thin touch glass |
| CN108602280A (en) * | 2015-11-06 | 2018-09-28 | 瓦克化学（中国）有限公司 | The product that substrate is bonded method and is prepared using this method |
| CN108767127A (en) * | 2018-05-28 | 2018-11-06 | 武汉华星光电半导体显示技术有限公司 | A kind of production method of display panel, display panel and display device |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101408686A (en) * | 2007-10-11 | 2009-04-15 | 易发精机股份有限公司 | Method for pasting touch control type panel and other optical glasses on LCD |
| CN101650622A (en) * | 2009-08-18 | 2010-02-17 | 城步鼎盛微电子科技有限公司 | Technology for attaching capacitive touch screens |
-
2012
- 2012-07-16 CN CN2012102452714A patent/CN102794975A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101408686A (en) * | 2007-10-11 | 2009-04-15 | 易发精机股份有限公司 | Method for pasting touch control type panel and other optical glasses on LCD |
| CN101650622A (en) * | 2009-08-18 | 2010-02-17 | 城步鼎盛微电子科技有限公司 | Technology for attaching capacitive touch screens |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103472970A (en) * | 2013-09-26 | 2013-12-25 | 无锡宇宁光电科技有限公司 | Method for removing solid optical glue joint air bubbles of capacitive screen |
| CN108602280A (en) * | 2015-11-06 | 2018-09-28 | 瓦克化学（中国）有限公司 | The product that substrate is bonded method and is prepared using this method |
| CN105330172A (en) * | 2015-11-19 | 2016-02-17 | 宏杰科技有限公司 | Manufacturing method of thin touch glass |
| CN108767127A (en) * | 2018-05-28 | 2018-11-06 | 武汉华星光电半导体显示技术有限公司 | A kind of production method of display panel, display panel and display device |
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Application publication date: 20121128 |