CN103543889B - Monolayer capacitive touch screen preparation method - Google Patents
Monolayer capacitive touch screen preparation method Download PDFInfo
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- CN103543889B CN103543889B CN201210247213.5A CN201210247213A CN103543889B CN 103543889 B CN103543889 B CN 103543889B CN 201210247213 A CN201210247213 A CN 201210247213A CN 103543889 B CN103543889 B CN 103543889B
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- touch screen
- pmma
- capacitive touch
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- pmma substrates
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- 239000002356 single layer Substances 0.000 title claims abstract description 25
- 238000002360 preparation method Methods 0.000 title claims abstract description 23
- 229920003229 poly(methyl methacrylate) Polymers 0.000 claims abstract description 43
- 239000004926 polymethyl methacrylate Substances 0.000 claims abstract description 43
- 239000000758 substrate Substances 0.000 claims abstract description 39
- 239000010410 layer Substances 0.000 claims abstract description 21
- 239000000463 material Substances 0.000 claims abstract description 19
- 238000000034 method Methods 0.000 claims abstract description 14
- 239000010408 film Substances 0.000 claims description 26
- 238000007747 plating Methods 0.000 claims description 6
- 238000005530 etching Methods 0.000 claims description 5
- 239000010409 thin film Substances 0.000 claims description 4
- 238000005516 engineering process Methods 0.000 abstract description 12
- 238000005246 galvanizing Methods 0.000 abstract description 9
- 238000012545 processing Methods 0.000 abstract description 6
- 239000011521 glass Substances 0.000 description 7
- 238000004519 manufacturing process Methods 0.000 description 7
- 238000009713 electroplating Methods 0.000 description 6
- 238000001259 photo etching Methods 0.000 description 6
- RHZWSUVWRRXEJF-UHFFFAOYSA-N indium tin Chemical compound [In].[Sn] RHZWSUVWRRXEJF-UHFFFAOYSA-N 0.000 description 4
- 229920000139 polyethylene terephthalate Polymers 0.000 description 4
- 239000005020 polyethylene terephthalate Substances 0.000 description 4
- 229910001887 tin oxide Inorganic materials 0.000 description 4
- 230000001681 protective effect Effects 0.000 description 3
- CERQOIWHTDAKMF-UHFFFAOYSA-M Methacrylate Chemical compound CC(=C)C([O-])=O CERQOIWHTDAKMF-UHFFFAOYSA-M 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 239000005357 flat glass Substances 0.000 description 2
- 238000009740 moulding (composite fabrication) Methods 0.000 description 2
- 229920000728 polyester Polymers 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- KKEYFWRCBNTPAC-UHFFFAOYSA-L terephthalate(2-) Chemical compound [O-]C(=O)C1=CC=C(C([O-])=O)C=C1 KKEYFWRCBNTPAC-UHFFFAOYSA-L 0.000 description 2
- 229920001169 thermoplastic Polymers 0.000 description 2
- 239000004416 thermosoftening plastic Substances 0.000 description 2
- 229920002799 BoPET Polymers 0.000 description 1
- 235000003283 Pachira macrocarpa Nutrition 0.000 description 1
- 241001083492 Trapa Species 0.000 description 1
- 235000014364 Trapa natans Nutrition 0.000 description 1
- 230000001133 acceleration Effects 0.000 description 1
- 238000013467 fragmentation Methods 0.000 description 1
- 238000006062 fragmentation reaction Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 235000009165 saligot Nutrition 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
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Abstract
A kind of monolayer capacitive touch screen preparation method, comprises the following steps：Step S1：One PMMA substrates are provided；Step S2：It is surface-treated the PMMA substrates；Step S3：On cold galvanising ITO conducting films to the PMMA substrates；Step S4：Electrode pattern and conducting wire are made on ITO conducting films；Step S5：The forming processes PMMA substrates；And step S6：FPC is bonded to the circuit interface end of the PMMA substrates.Compared to prior art, monolayer capacitive touch screen preparation method of the present invention is as a result of PMMA materials as substrate, and in processing technology by the use of cold galvanising and low-temperature adhesion technology so as to overcoming frequent produced problem during original PMMA materials fabricate when as electric capacity panel substrate, individual layer capacitance touch screen handling ease, non-breakable and cost are relatively low made of the PMMA materials.
Description
【Technical field】
The present invention relates to a kind of capacitive touch screen preparation method, more particularly to a kind of monolayer capacitive touch screen making side
Method.
【Background technology】
In general capacitance type touch-control panel, its structure are all utilized under cover plate protective glass (or PET film) it
Touch sensing layer (English：Touch Sensor) multilayered structure, such structure except increase design difficulty and improve into
This also takes.Because traditional Projected capacitive touch panel must be fabricated to touch sensing layer using 1~2 sheet glass, plus lid
Plate, cause the structure of complexity.Therefore, touch sensing is just actively incorporated into surface cap by touch panel module manufacturer, it is desirable to
Material cost can be reduced, reduce the thickness and weight of touch panel module.Therefore, research staff proposes the ultimate of capacitance touching control
Scheme, it is exactly only to complete the function of touch-control with the protective glass can of individual layer.It is this by all touch sensing circuit-formings
Mode on protective glass, most thin most light structure, minimum material cost, minimum production equipment cost can be reached and thrown
The contact panel output capacity of money and maximum.Although there are different names in each touch-control module factory for this new processing procedure, including
Touch on lens、one glass solution、window integrated sensor touch、direct
Patterned window etc., but these belong to the method that touch sensing is incorporated into surface cap in fact.Each side
Method all employs 1 sheet glass, as surface cap and the substrate of touch sensing, is referred to as " monolayer capacitive touch screen ".
It is reported that since 2011, many brand manufacturers have started to require such as NOKIA, Apple, Samsung
Contact panel that is lighter, thinner, more having cost competitiveness, the estimated acceleration that will be helpful to monolayer capacitive touch screen technology of this measure
Popularization.The benefit of monolayer capacitive touch screen, in that material cost is generally the least expensive, optical characteristics is best, weight is most light, therefore can
So that with non-display screen, such as mirror, desk, window, vending machine, or substitution keyboard and various buttons.Should
Use based on industrial, military, outdoor applications and external hanging type touch-control.
However, many challenges in exploitation be present in monolayer capacitive touch screen, plated film after e.g. first handling, or first
Plated film post-processes.And the fragmentation in strengthening process and scratch, the processing of printing surface, the plated film Pattern used, conductive film
Impedance, and the problems such as Capacitance Coupled between LCD Vcom layers.Therefore, it is necessary to a kind of new individual layer capacitance touch screen is provided
Preparation method.
【The content of the invention】
To overcome the monolayer capacitive touch screen of prior art to make bad problem, the present invention provide a kind of cost compared with
It is low, the higher monolayer capacitive touch screen preparation method of yield.
The present invention solve technical problem technical scheme be：A kind of monolayer capacitive touch screen preparation method, it include with
Lower step：Step S1：One PMMA substrates are provided；Step S2：It is surface-treated the PMMA substrates；Step S3：It is low at 215 DEG C -225 DEG C
Under temperature, electroplate on ITO conducting films to the PMMA substrates；Step S4：Electrode pattern and conducting wire are made on ITO conducting films；
Step S5：The forming processes PMMA substrates；And step S6：The circuit that FPC is bonded to the PMMA substrates by low temperature ACF materials connects
Mouth end, and low temperature ACF bonding temp is between 100 DEG C -140 DEG C.
Preferably, wherein low temperature ACF bonding temp is 120 DEG C ± 5 DEG C.
Preferably, in step s3, the ITO conducting films of the plating are one layer or two layers.
Preferably, the ITO conducting films of the plating are one layer, and the electrode pattern that touch sensible is molded on ito thin film is water chestnut
Shape or strip；When the ITO conducting films of the plating are two layers, the electrode pattern for the touch sensible being molded on ito thin film is netted.
Preferably, in step s 4, the electrode pattern can be divided into the completion of two steps, the wherein conducting wire with conducting wire
It can be completed by the technique printed or etched；Or in step s 4, the electrode pattern is synchronously made with conducting wire.
Compared to prior art, monolayer capacitive touch screen preparation method of the present invention is as a result of PMMA materials as base
Plate, and it is being used as electric capacity by the use of cold galvanising and low-temperature adhesion technology so as to overcome original PMMA materials in processing technology
Frequent produced problem during being fabricated during panel substrate, individual layer capacitance touch screen handling ease made of the PMMA materials,
Non-breakable and cost is relatively low.Meanwhile the preparation method of capacitive touch screen provided by the invention only needs single-surface single-layer to etch
ITO circuit, the technological process being related to, its yield can be greatly improved, and cost is reduced.In addition, because only
It is one side etching cabling, simple photoetching production line can produce such functional glass, solve current capacitance touch screen needs
Rely on the bottleneck that high photoetching production line makes.
【Brief description of the drawings】
Fig. 1 is first embodiment of the invention monolayer capacitive touch screen preparation method flow chart.
Fig. 2 is second embodiment of the invention monolayer capacitive touch screen preparation method flow chart.
【Embodiment】
In order that the purpose of the present invention, technical scheme and advantage are more clearly understood, it is right below in conjunction with drawings and Examples
The present invention is further elaborated.It should be appreciated that it is described herein specific implementation case only to explain the present invention,
It is not intended to limit the present invention.
Fig. 1 is refer to, a kind of individual layer capacitance touch screen preparation method provided for first embodiment of the invention, it includes
Following steps：
Step S101：A PMMA substrates are provided, the wherein substrate is PMMA (full name：Polymethy Methacrylate,
Chinese：Polymethyl methacrylate) material is made；
Step S102：It is surface-treated the PMMA substrates；
Step S103：Cold galvanising ITO conductive films plate leading for layer of transparent to the PMMA substrates on the surface of substrate
Electrolemma, i.e. ITO (full name：Indium Tin Oxides, Chinese：Indium tin oxide), wherein the electroplating technology uses cold galvanising
Board is carried out, and the electroplating temperature of the electroplating machine is 200 DEG C -250 DEG C, wherein with 220 DEG C ± 5 DEG C for optimum temperature；
Step S104：Electrode pattern is made on ITO conductive films, a plurality of touch sensible is molded on ITO conductive films
Electrode pattern, the pattern can be argyle design or strip pattern；
Step S105：Conducting wire is made on ITO conductive films, the circuit can be by printing or by etching skill
Art etches the ITO conductive films and is molded, and forms circuit interface end in the PMMA substrates one end；
Step S106：The PMMA substrates are molded,
Step S107：(Bonding) FPC is bonded, utilizes low temperature ACF (full name：Anisotropic Conductive
Film, Chinese：Anisotropic conductive film) FPC is bonded in the PMMA substrate corresponding circuits interface ends, wherein ACF bonding temperature
Degree is between 100 DEG C -140 DEG C, with 120 DEG C ± 5 DEG C for optimum temperature parameter, or in general ACF can also be used FPC and
Substrate is bonded, but the pad that a piece of thermal conductivity factor is relatively low on pad is needed in high temperature bonding, such as PET pad (full name：
Polythylene terephthalate, Chinese：Polyethylene terephthalate is thermoplastic polyester).
Compared to prior art, monolayer capacitive touch screen preparation method of the present invention is as a result of PMMA materials as base
Plate, and it is being used as electric capacity by the use of cold galvanising and low-temperature adhesion technology so as to overcome original PMMA materials in processing technology
Frequent produced problem during being fabricated during panel substrate, individual layer capacitance touch screen handling ease made of the PMMA materials,
Non-breakable and cost is relatively low.Meanwhile the preparation method of capacitive touch screen provided by the invention only needs single-surface single-layer to etch
ITO circuit, the technological process being related to, its yield can be greatly improved, and cost is reduced.In addition, because only
It is one side etching cabling, simple photoetching production line can produce such functional glass, solve current capacitance touch screen needs
Rely on the bottleneck that high photoetching production line makes.
Fig. 2 is refer to, another the individual layer capacitance touch screen preparation method provided for second embodiment of the invention, it is wrapped
Include following steps：
Step S201：A PMMA substrates are provided, the wherein substrate is PMMA (full name：Polymethy Methacrylate,
Chinese：Polymethyl methacrylate) material is made；
Step S202：It is surface-treated the PMMA substrates；
Step S203：Cold galvanising ITO conductive films plate two layers on the surface of substrate and transparent led to the PMMA substrates
Electrolemma, i.e. ITO (full name：Indium Tin Oxides, Chinese：Indium tin oxide), wherein the electroplating technology uses cold galvanising
Board is carried out, and the electroplating temperature of the electroplating machine is 200 DEG C -250 DEG C, wherein with 220 DEG C ± 5 DEG C for optimum temperature；
Step S204：Electrode pattern and conducting wire are made on ITO conductive films, is molded on ITO conductive films more
The electrode pattern and conducting wire of bar touch sensible, the electrode pattern of a plurality of touch sensible are net-like pattern, the conducting wire
Circuit interface end is formed in the PMMA substrates one end；
Step S205：The PMMA substrates are molded, and
Step S206：(Bonding) FPC is bonded, utilizes low temperature ACF (full name：Anisotropic Conductive
Film, Chinese：Anisotropic conductive film) FPC is bonded in the PMMA substrate corresponding circuits interface ends, wherein ACF bonding temperature
Degree is between 100 DEG C -140 DEG C, with 120 DEG C ± 5 DEG C for optimum temperature parameter, or in general ACF can also be used FPC and
Substrate is bonded, but the pad that a piece of thermal conductivity factor is relatively low on pad is needed in high temperature bonding, such as PET pad (full name：
Polythylene terephthalate, Chinese：Polyethylene terephthalate is thermoplastic polyester).
Compared to prior art, monolayer capacitive touch screen preparation method of the present invention is as a result of PMMA materials as base
Plate, and it is being used as electric capacity by the use of cold galvanising and low-temperature adhesion technology so as to overcome original PMMA materials in processing technology
Frequent produced problem during being fabricated during panel substrate, individual layer capacitance touch screen handling ease made of the PMMA materials,
Non-breakable and cost is relatively low.Meanwhile the preparation method of capacitive touch screen provided by the invention only needs single-surface single-layer to etch
ITO circuit, the technological process being related to, its yield can be greatly improved, and cost is reduced.In addition, because only
It is one side etching cabling, simple photoetching production line can produce such functional glass, solve current capacitance touch screen needs
Rely on the bottleneck that high photoetching production line makes.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all originals in the present invention
Any modification made within then, equivalent substitution and improvement etc. all should be included within protection scope of the present invention.
Claims (5)
1. a kind of monolayer capacitive touch screen preparation method, it comprises the following steps：
Step S1：One PMMA substrates are provided；
Step S2：It is surface-treated the PMMA substrates；
Step S3：Under 215 DEG C of -225 DEG C of low temperature, electroplate on ITO conducting films to the PMMA substrates；
Step S4：Electrode pattern and conducting wire are made on ITO conducting films；
Step S5：The forming processes PMMA substrates；And
Step S6：FPC is bonded to the circuit interface end of the PMMA substrates, and low temperature ACF bonding temperature by low temperature ACF materials
Degree is between 100 DEG C -140 DEG C.
2. monolayer capacitive touch screen preparation method as claimed in claim 1, it is characterised in that：Wherein low temperature ACF's is viscous
Jointing temp is 120 DEG C ± 5 DEG C.
3. monolayer capacitive touch screen preparation method as claimed in claim 1, it is characterised in that：In step s3, the plating
ITO conducting films be one layer or two layers.
4. monolayer capacitive touch screen preparation method as claimed in claim 3, it is characterised in that：The ITO conducting films of the plating
For one layer, the electrode pattern that touch sensible is molded on ito thin film is rhombus or strip；When the ITO conducting films of the plating are two
Layer, the electrode pattern for the touch sensible being molded on ito thin film is netted.
5. the monolayer capacitive touch screen preparation method as described in claim 1-4 any one claims, its feature exist
In：In step s 4, the electrode pattern can be divided into the completion of two steps with conducting wire, and wherein the conducting wire can pass through printing
Or the technique of etching is completed；Or in step s 4, the electrode pattern is synchronously made with conducting wire.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210247213.5A CN103543889B (en) | 2012-07-17 | 2012-07-17 | Monolayer capacitive touch screen preparation method |
| TW102125615A TWI554928B (en) | 2012-07-17 | 2013-07-17 | Single layer capacitive touch screen production method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210247213.5A CN103543889B (en) | 2012-07-17 | 2012-07-17 | Monolayer capacitive touch screen preparation method |
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| Publication Number | Publication Date |
|---|---|
| CN103543889A CN103543889A (en) | 2014-01-29 |
| CN103543889B true CN103543889B (en) | 2017-12-29 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201210247213.5A Active CN103543889B (en) | 2012-07-17 | 2012-07-17 | Monolayer capacitive touch screen preparation method |
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| TW (1) | TWI554928B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104680025B (en) * | 2015-03-12 | 2017-08-25 | 重庆科技学院 | Oil pumper parameter optimization method based on genetic algorithm extreme learning machine |
| CN109471554A (en) * | 2018-09-10 | 2019-03-15 | 芜湖伦丰电子科技有限公司 | A kind of single-layer membrane structure touch function piece, touch screen and touch electronic equipment |
| CN110568964A (en) * | 2019-09-12 | 2019-12-13 | 业成科技（成都）有限公司 | Sensor assembly, preparation method thereof, bonding structure and touch panel module |
| CN112698752A (en) * | 2020-12-31 | 2021-04-23 | 深圳市中光电发展集团有限公司 | Manufacturing method of high-stability touch screen with single-layer film structure |
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| CN1800439A (en) * | 2004-11-25 | 2006-07-12 | 中央硝子株式会社 | Base plate with ITO transparent conductive film and method for preparing same |
| CN101138059A (en) * | 2005-03-08 | 2008-03-05 | 日本写真印刷株式会社 | Touch panel unit |
| CN101661355A (en) * | 2008-08-25 | 2010-03-03 | 时纬科技股份有限公司 | Touch panel and manufacturing method thereof |
| CN201540548U (en) * | 2008-04-25 | 2010-08-04 | 苹果公司 | Touch sensor panel and manufacturing system thereof as well as corresponding handheld electronic equipment |
| EP2312425A2 (en) * | 2007-01-18 | 2011-04-20 | Nitto Denko Corporation | Transparent conductive film, method for production thereof and touch panel therewith |
| CN201903861U (en) * | 2010-08-24 | 2011-07-20 | 昆山榕增光电科技有限公司 | Electronic touch input device |
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| TWI344615B (en) * | 2007-05-24 | 2011-07-01 | J Touch Corp | A single layer of touch sensor structure and a touch display panel using the same |
| TWI463452B (en) * | 2009-04-21 | 2014-12-01 | Ind Tech Res Inst | Touch display apparatus and fabricating method thereof |
| KR101628373B1 (en) * | 2009-10-09 | 2016-06-08 | 엘지이노텍 주식회사 | Planer member for touch panel and method for manufacturing same and touch panel using the planer member |
| TW201214254A (en) * | 2010-09-30 | 2012-04-01 | xiang-yu Li | Single-layer single-sided capacitive touch panel device |
| TWM432884U (en) * | 2011-11-15 | 2012-07-01 | Chong-Pan Wu | Capacitive touch panel with single-layer glass |
-
2012
- 2012-07-17 CN CN201210247213.5A patent/CN103543889B/en active Active
-
2013
- 2013-07-17 TW TW102125615A patent/TWI554928B/en active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1800439A (en) * | 2004-11-25 | 2006-07-12 | 中央硝子株式会社 | Base plate with ITO transparent conductive film and method for preparing same |
| CN101138059A (en) * | 2005-03-08 | 2008-03-05 | 日本写真印刷株式会社 | Touch panel unit |
| EP2312425A2 (en) * | 2007-01-18 | 2011-04-20 | Nitto Denko Corporation | Transparent conductive film, method for production thereof and touch panel therewith |
| CN201540548U (en) * | 2008-04-25 | 2010-08-04 | 苹果公司 | Touch sensor panel and manufacturing system thereof as well as corresponding handheld electronic equipment |
| CN101661355A (en) * | 2008-08-25 | 2010-03-03 | 时纬科技股份有限公司 | Touch panel and manufacturing method thereof |
| CN201903861U (en) * | 2010-08-24 | 2011-07-20 | 昆山榕增光电科技有限公司 | Electronic touch input device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103543889A (en) | 2014-01-29 |
| TW201413553A (en) | 2014-04-01 |
| TWI554928B (en) | 2016-10-21 |
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Denomination of invention: Method for manufacturing monolayer capacitive touch screen Effective date of registration: 20200609 Granted publication date: 20171229 Pledgee: Guiyang Jinyang sub branch of China Construction Bank Co.,Ltd. Pledgor: SHENZHEN TOUCHWORKS OPTOELECTRONICS Co.,Ltd. Registration number: Y2020980002903 |
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