CN102785454A - Laminating technology of touch screen - Google Patents
Laminating technology of touch screen Download PDFInfo
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- CN102785454A CN102785454A CN2012102453134A CN201210245313A CN102785454A CN 102785454 A CN102785454 A CN 102785454A CN 2012102453134 A CN2012102453134 A CN 2012102453134A CN 201210245313 A CN201210245313 A CN 201210245313A CN 102785454 A CN102785454 A CN 102785454A
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Abstract
The invention relates to the technical field of production technology of electronic products, particularly relates to a laminating technology of a touch screen. The technology is characterized by laminating a transparent surface cover, a sensitive base panel and a display screen together by an OCA optical cement to form an initial joint surface, overlapping more than two initial joint surfaces, putting in a laminating chamber of a laminating machine to conduct vacuum pumping, and activating a top board to press the overlapped initial joint surfaces, wherein under the pressure of vacuum and the top board, the transparent surface cover, sensitive base panel and display screen of each overlapped initial joint surface are laminated tightly. According to the invention, under the dual effects of vacuum and the top board, the stress is uniform, and the laminating is tight, the local refractive index change or air bubble generation caused by nonuniform stress of manual laminating and assembling are effectively prevented, the display effect of the display screen is improved; in addition, by overlapping more than two initial joint surfaces in the laminating machine, the laminating of a plurality of products can be realized at a time, thus the production efficiency is raised.
Description
Technical field:
The present invention relates to the electronic product technical field of producing, relate in particular to a kind of attaching process of touch-screen.
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 of following touch-screen applications.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; 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, plays the effect of protection induction substrate; Induction substrate below is provided with display screen; Couple together through the OCA optical cement between transparent cover and induction substrate and the display screen, 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, pass through the applying production of OCA glue at transparent cover and between responding between substrate and the display screen, in a lot of enterprises; Be to assemble through manual assembly; Can cause OCA glue-line unbalance stress, local indexes of refraction changes or produces bubble, influences 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 attaching process that the deficiency that exists provides a kind of touch-screen that overcomes the above problems through the applying of OCA optical cement between the transparent cover of prior art and the induction substrate.
To achieve these goals, the technical scheme of the present invention's employing is:
A kind of attaching process of touch-screen, said attaching process comprises following processing step:
A, through OCA optical cement two sides with transparent cover and induction substrate stress-free preliminary applying;
B, in the side of induction substrate through the stress-free preliminary applying display screen of OCA optical cement, form the screen of just fitting;
C, 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;
D, 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 the attaching process of display screen of the present invention.
Preferable, also can in step b, respond to the preliminary transparent cover of fitting of substrate-side, thereby form applying screen just among the said step a earlier with will respond to substrate and the stress-free preliminary applying of display screen through OCA optical cement two sides through the OCA optical cement.
Preferable, among the said step b, the quantity of the screen of just fitting is 2-5 spare.
Preferable, said display screen is a LCDs.
Beneficial effect of the present invention is: the attaching process of a kind of touch-screen of the present invention; Through the OCA optical cement transparent cover, induction substrate and display screen applying are formed the screen of just fitting together; 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, transparent cover and display screen 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, stressed evenly, fit closely; Effectively avoid manual assembly assembling unbalance stress to cause that local indexes of refraction changes or produces bubble, promote the screen displaying effect, reduce waste product and produce; Promote the qualification rate of product, reduce cost, 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.
The specific embodiment:
Embodiment 1,
The attaching process of the touch-screen of present embodiment, under the situation of getting all the OCA optical cement that is complementary, transparent cover, induction substrate and display screen ready, attaching process comprises following processing step:
A, through OCA optical cement two sides with transparent cover and induction substrate stress-free preliminary applying; The OCA optical cement tear in use its one side mould release membrance; Tear the one side transparent cover of stress-free preliminary applying or the induction substrate of mould release membrance; Tear the mould release membrance of OCA optical cement another side again; Induction substrate that stress-free preliminary applying does not connect or transparent cover (use of the OCA optical cement of following steps and following examples is similar); Stress-free preliminary applying and nisi no pressure contact among the present invention, the cementability that just both is contacted through the OCA optical cement naturally tentatively combines both, does not have and adds artificial extruding force (being adapted to reach in following examples in the steps d)
B, in the side of induction substrate through the stress-free preliminary applying display screen of another OCA optical cement, form the screen of just fitting;
C, 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;
D, 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 the attaching process of display screen of the present invention.
At present, as screen displaying commonly used, the general LCDs of display screen (LCD).
Embodiment 2,
The attaching process of the touch-screen of present embodiment, under the situation of getting all the OCA optical cement that is complementary, transparent cover, induction substrate and display screen ready, attaching process comprises following processing step:
A, will respond to substrate and the stress-free preliminary applying of display screen through OCA optical cement two sides;
B, in the side of induction substrate through the transparent cover of the stress-free preliminary applying of another OCA optical cement, form the screen of just fitting;
C, 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;
D, 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 the attaching process of display screen of the present invention.
Embodiment 3,
A, through OCA optical cement two sides with transparent cover and induction substrate stress-free preliminary applying,
B, in the side of induction substrate through the stress-free preliminary applying display screen of another OCA optical cement, form the screen of just fitting;
C, the screen of fitting at the beginning of 3 is neat together superimposed inserts on the support supporting plate of applying chamber of make-up machine;
D, 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 the attaching process of display screen of the present invention.
The attaching process of a kind of touch-screen of the present invention; Through the OCA optical cement transparent cover, induction substrate and display screen applying are formed the screen of just fitting together; 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, transparent cover and display screen 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, stressed evenly, fit closely; Effectively avoid manual assembly assembling unbalance stress to cause that local indexes of refraction changes or produces bubble, promote the screen displaying effect, reduce waste product and produce; Promote the qualification rate of product, reduce cost, 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 (4)
1. the attaching process of a touch-screen is characterized in that, said attaching process comprises following processing step:
A, through OCA optical cement two sides with transparent cover and induction substrate stress-free preliminary applying;
B, in the side of induction substrate through the stress-free preliminary applying display screen of OCA optical cement, form the screen of just fitting;
C, 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;
D, 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 the attaching process of display screen of the present invention.
2. the attaching process of a kind of touch-screen according to claim 1; It is characterized in that: also can be among the said step a earlier with will respond to substrate and the stress-free preliminary applying of display screen through OCA optical cement two sides; In step b, responding to the preliminary transparent cover of fitting of substrate-side, thereby forming applying screen just through the OCA optical cement.
3. the attaching process of a kind of touch-screen according to claim 1 is characterized in that: among the said step e, the quantity of the screen of just fitting is 2-5 spare.
4. according to the attaching process of any described a kind of touch-screen of claim 1-3, it is characterized in that: said display screen is a LCDs.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210245313.4A CN102785454B (en) | 2012-07-16 | 2012-07-16 | A kind of attaching process of touch-screen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201210245313.4A CN102785454B (en) | 2012-07-16 | 2012-07-16 | A kind of attaching process of touch-screen |
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| CN102785454A true CN102785454A (en) | 2012-11-21 |
| CN102785454B CN102785454B (en) | 2016-02-10 |
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| CN201210245313.4A Active CN102785454B (en) | 2012-07-16 | 2012-07-16 | A kind of attaching process of touch-screen |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105511696A (en) * | 2015-11-03 | 2016-04-20 | 江西省天翌光电有限公司 | Touch screen and display module set full-vacuum applying technology |
| CN105629528A (en) * | 2016-01-08 | 2016-06-01 | 武汉华星光电技术有限公司 | Display device and assembling method thereof |
| CN106354290A (en) * | 2015-07-20 | 2017-01-25 | 南昌欧菲光学技术有限公司 | A method of manufacturing an optical adhesive layer for a touch screen and a method of manufacturing the touch screen. |
| CN109164933A (en) * | 2018-08-06 | 2019-01-08 | 江苏特思达电子科技股份有限公司 | A kind of applying method and touch screen |
| CN112700721A (en) * | 2020-12-25 | 2021-04-23 | 深圳一鑫新材料有限公司 | Middle-small size flat display screen laminating process |
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| JPH1153119A (en) * | 1997-08-08 | 1999-02-26 | Casio Comput Co Ltd | Manufacture of opto-electric device |
| 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 |
| CN101630209A (en) * | 2009-06-10 | 2010-01-20 | 中国南玻集团股份有限公司 | Manufacturing method of touch screen module |
| 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 |
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2012
- 2012-07-16 CN CN201210245313.4A patent/CN102785454B/en active Active
Patent Citations (4)
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| JPH1153119A (en) * | 1997-08-08 | 1999-02-26 | Casio Comput Co Ltd | Manufacture of opto-electric device |
| 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 |
| CN101630209A (en) * | 2009-06-10 | 2010-01-20 | 中国南玻集团股份有限公司 | Manufacturing method of touch screen module |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106354290A (en) * | 2015-07-20 | 2017-01-25 | 南昌欧菲光学技术有限公司 | A method of manufacturing an optical adhesive layer for a touch screen and a method of manufacturing the touch screen. |
| CN106354290B (en) * | 2015-07-20 | 2021-10-26 | 安徽精卓光显技术有限责任公司 | Manufacturing method of optical adhesive layer for touch screen and manufacturing method of touch screen |
| CN105511696A (en) * | 2015-11-03 | 2016-04-20 | 江西省天翌光电有限公司 | Touch screen and display module set full-vacuum applying technology |
| CN105629528A (en) * | 2016-01-08 | 2016-06-01 | 武汉华星光电技术有限公司 | Display device and assembling method thereof |
| CN109164933A (en) * | 2018-08-06 | 2019-01-08 | 江苏特思达电子科技股份有限公司 | A kind of applying method and touch screen |
| CN109164933B (en) * | 2018-08-06 | 2021-11-09 | 江苏特思达电子科技股份有限公司 | Laminating method and touch screen |
| CN112700721A (en) * | 2020-12-25 | 2021-04-23 | 深圳一鑫新材料有限公司 | Middle-small size flat display screen laminating process |
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| CN102785454B (en) | 2016-02-10 |
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