CN109254702A - A kind of capacitive touch screen - Google Patents
A kind of capacitive touch screen Download PDFInfo
- Publication number
- CN109254702A CN109254702A CN201811440291.0A CN201811440291A CN109254702A CN 109254702 A CN109254702 A CN 109254702A CN 201811440291 A CN201811440291 A CN 201811440291A CN 109254702 A CN109254702 A CN 109254702A
- Authority
- CN
- China
- Prior art keywords
- cover board
- touch screen
- line
- capacitive touch
- foam
- Prior art date
- 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.)
- Pending
Links
- 239000006260 foam Substances 0.000 claims abstract description 35
- 241000446313 Lamella Species 0.000 claims abstract description 20
- 239000011521 glass Substances 0.000 claims abstract description 11
- 239000004033 plastic Substances 0.000 claims abstract description 10
- 229920003023 plastic Polymers 0.000 claims abstract description 10
- 239000002131 composite material Substances 0.000 claims abstract description 8
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 claims abstract description 6
- 238000010276 construction Methods 0.000 claims abstract description 6
- 239000000853 adhesive Substances 0.000 claims description 23
- 230000001070 adhesive effect Effects 0.000 claims description 23
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 4
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 claims description 4
- 229910021389 graphene Inorganic materials 0.000 claims description 4
- 229920005830 Polyurethane Foam Polymers 0.000 claims description 3
- -1 acryl Chemical group 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 6
- 238000005516 engineering process Methods 0.000 abstract description 5
- 238000010030 laminating Methods 0.000 abstract description 4
- 230000007613 environmental effect Effects 0.000 abstract description 2
- 229920001821 foam rubber Polymers 0.000 abstract description 2
- 230000006870 function Effects 0.000 description 12
- 239000000463 material Substances 0.000 description 8
- 239000010410 layer Substances 0.000 description 6
- 230000003287 optical effect Effects 0.000 description 6
- 239000004417 polycarbonate Substances 0.000 description 5
- 230000005540 biological transmission Effects 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 239000003292 glue Substances 0.000 description 2
- MRNHPUHPBOKKQT-UHFFFAOYSA-N indium;tin;hydrate Chemical compound O.[In].[Sn] MRNHPUHPBOKKQT-UHFFFAOYSA-N 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 229920000515 polycarbonate Polymers 0.000 description 2
- 238000002834 transmittance Methods 0.000 description 2
- SMZOUWXMTYCWNB-UHFFFAOYSA-N 2-(2-methoxy-5-methylphenyl)ethanamine Chemical compound COC1=CC=C(C)C=C1CCN SMZOUWXMTYCWNB-UHFFFAOYSA-N 0.000 description 1
- VVQNEPGJFQJSBK-UHFFFAOYSA-N Methyl methacrylate Chemical compound COC(=O)C(C)=C VVQNEPGJFQJSBK-UHFFFAOYSA-N 0.000 description 1
- 230000006750 UV protection Effects 0.000 description 1
- 239000002390 adhesive tape Substances 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 239000002322 conducting polymer Substances 0.000 description 1
- 229920001940 conductive polymer Polymers 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 238000005034 decoration Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000007888 film coating Substances 0.000 description 1
- 238000009501 film coating Methods 0.000 description 1
- 238000005187 foaming Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- AMGQUBHHOARCQH-UHFFFAOYSA-N indium;oxotin Chemical compound [In].[Sn]=O AMGQUBHHOARCQH-UHFFFAOYSA-N 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 239000004973 liquid crystal related substance Substances 0.000 description 1
- 229920002521 macromolecule Polymers 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000004377 microelectronic Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000002985 plastic film Substances 0.000 description 1
- 229920006255 plastic film Polymers 0.000 description 1
- 229920003229 poly(methyl methacrylate) Polymers 0.000 description 1
- 239000004926 polymethyl methacrylate Substances 0.000 description 1
- 230000004224 protection Effects 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 230000009131 signaling function Effects 0.000 description 1
- 239000002356 single layer Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 230000032258 transport Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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
- G06F3/044—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by capacitive means
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Human Computer Interaction (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Laminated Bodies (AREA)
- Adhesives Or Adhesive Processes (AREA)
Abstract
The present invention provides a kind of capacitive touch screen.The capacitive touch screen includes cover board, function lamella and foam glue-line, and the cover board is connected with function lamella by the foam glue-line；The foam glue-line is frame-shaped construction；The cover board is one of glass workpiece, PC plastic part, PMM A acrylic board or plastic-plastic composite materials, the cover board with a thickness of 2~8mm.Compared with the relevant technologies, capacitive touch screen provided by the invention is pasted cover board and function lamella using the foam rubber of frame structure, realize non-full laminating type connection, reduce equipment cost, greatly reduce manufacture difficulty, client can voluntarily complete to be bonded, it is also not high to environmental requirement, it is directly sticked by mark line, greatly reduces logistics cost, shorten the production cycle.
Description
Technical field
The present invention relates to touch screen technology field more particularly to a kind of capacitive touch screens.
Background technique
With the development of electronic product, touch screen is widely used on mobile phone, tablet computer.Capacitive touch screen be by
Cover board (decoration and protection part) is constituted plus Sensor (induction part).Existing connection type between the two is to pass through
OCA (Optically Clear Adhesive optical cement) or LOCA (Liquid Optical Clear Adhesive liquid
Optical transparent adhesive) or SCA (Solid Optically Clear Adhesive Optical transparent adhesive) fit together entirely.It is this
Connection structure needs specific environment and corollary equipment to complete.However some special industries and product the size of the cover plate are larger, using biography
If the GG laminating type of system, then tailor-made large scale equipment is needed, and this large scale equipment transports more complicated and higher cost, gives
The manufacture of equipment also brings difficulty.
Accordingly, it is desirable to provide a kind of new capacitive touch screen solves the above problems.
Summary of the invention
The purpose of the present invention is to provide the capacitive touch of a kind of foam glue cover board of frame structure and function lamella
Touch screen.
The present invention provides a kind of capacitive touch screen, including cover board, function lamella and foam glue-line, the cover board and function
Lamella is connected by the foam glue-line；The foam glue-line is frame-shaped construction；The cover board is glass workpiece, PC plastic part, PMM
One of A acrylic board or plastic-plastic composite materials, the cover board with a thickness of 2~8mm.
Preferably, the function lamella is ITO Film conductive film, ITO Glass electro-conductive glass, graphene or nano silver
In any one.
Preferably, the cover board is top layer, and the function lamella is bottom.
Preferably, the foam glue-line is frame-shaped construction.
Preferably, the foam glue-line is PE foam double-faced adhesive, EVA foam double-faced adhesive, PU foam double-faced adhesive, waterproof foam
Any one in double-sided adhesive or acryl foam double-faced adhesive.
Compared with the relevant technologies, capacitive touch screen provided by the present invention using the foam rubber of frame structure by cover board and
Function lamella is pasted, and is realized non-full laminating type connection, is reduced equipment cost, greatly reduce manufacture difficulty, client
Fitting is voluntarily completed, it is also not high to environmental requirement, it is directly sticked by mark line, greatly reduces logistics cost, contracted
The short production cycle.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of capacitive touch screen provided by the invention.
Specific embodiment
Come that the present invention will be described in detail below with reference to attached drawing and in conjunction with the embodiments.It should be noted that in the feelings not conflicted
Under condition, the feature in embodiment and embodiment in the present invention be can be combined with each other.For sake of convenience, hereinafter as occurred
"upper", "lower", "left", "right" printed words only indicate consistent with the upper and lower, left and right direction of attached drawing itself, do not play limit to structure
It is set for using.
As shown in Figure 1, capacitive touch screen provided in this embodiment includes cover board 1, function lamella 2 and foam glue-line 3.Institute
Cover board 1 and function lamella 2 is stated to connect by the foam glue-line 3.
The cover board 1 is top layer, and the function lamella 2 is bottom.
The cover board 1 is one of glass workpiece, PC plastic part, PMM A acrylic board or plastic-plastic composite materials, thickness
For 2~8mm.
PC (Polycarbonate polycarbonate) has excellent physical mechanical property, especially excellent impact resistance,
Tensile strength, bending strength, compressive strength are high；Creep properties is small, dimensionally stable；With good heat resistance and lower temperature resistance,
There is stable mechanical property, dimensional stability, electrical property and anti-flammability in wider temperature range, it can be at 60~120 DEG C
It is used for a long time；It is in molten condition at 220-230 DEG C without sharp melting point；Since molecule chain rigidity is big, resin melt viscosity is big；It inhales
Water rate is small, and shrinking percentage is small, and dimensional accuracy is high, good stability of the dimension.
PMMA (Polymeric Methyl Methacrylate polymethylmethacrylasheet sheet material) i.e. acrylic board is
It is a kind of to develop important plastic macromolecule material earlier, there is the preferable transparency, chemical stability and weatherability, easily contaminate
Color, easy processing, attractive appearance, with the transparency as crystal, light transmittance is 92% or more, and light is soft, optical clarity.Have
The good characteristics such as splendid weatherability, higher surface hardness and lustrous surface, and preferable high-temperature behavior.
Plastic-plastic composite materials are most common a kind of composite materials, and various plastic films have respective merits and demerits, will
After they are compound, new material has the advantageous properties such as oil resistivity, moisture resistance, heat sealability simultaneously.After modeling modeling is compound, two can be formed
Layer, three layers, the composite materials such as four layers, such as: PC-PMMA, OPP-PE, BOPET-PP-PE, PT-PE-EVOH-PE.
The function lamella 2 is Sensor, is the electric signal function lamella of capacitance plate, can be monolayer material composition,
It is also possible to the composite structure of multilayer material formation, is commonly called as " functional sheet ".The function lamella 2 is ITO Film conductive film, ITO
Any one in Glass electro-conductive glass, graphene or nano silver.
The major parameter of ITO Film conductive film has: sheet resistance, the uniformity of sheet resistance, light transmittance, thermal stability,
Heat shrink rate, heating curling etc..The wherein main sheet resistance with base material used in ito film and ito film of light transmission rate
It is related.In the identical situation of base material, the sheet resistance of ito film is smaller, and the thickness of ito film layer is bigger, light transmission rate phase
That answers has a degree of reduction.
ITO Glass electropane, i.e. tin indium oxide (Indium-Tin Oxide) transparent conducting film glass, multi-pass mistake
ITO electropane production line, using plane magnetic control technology, sputters in the power house environment of high purification on ultra-thin glass
Tin indium oxide conductive film coating and the high-tech product obtained through the high temperature anneal.It is widely used for liquid crystal display
(LCD), solar battery, microelectronics ITO electropane, photoelectron and various optical fields.
With advances in technology with the market pressure of ITO raw material, more and more new materials are developed, are used to
The ito film and ito glass of same performance are made into instead of ITO.For replacing the transparent conductive material of ITO by following several: metal
Grid Metal Mesh；Conducting polymer；Nano silver；Graphene.
The foam glue-line 3 is frame-shaped construction, need to only be pasted the frame of foam glue-line, non-full laminating type
It pastes.The cover board 1, function lamella 2 are bonded by foam glue-line 3, and high degree reduces touch screen assembling difficulty.
The foam glue-line 3 is double sided adhesive tape structure, two-sided for PE foam double-faced adhesive, EVA foam double-faced adhesive, PU foam
Any one in glue, waterproof foam double-faced adhesive or acryl foam double-faced adhesive.
Foam double-faced adhesive, which refers to, coats viscous acrylic acid adhesive by force on foaming foam substrate two sides, is then covered on one side release
A kind of double-sided adhesive made of paper or release film.Foam double-faced adhesive is with adhesion strength is strong, retentivity is good, waterproof performance is good, temperature tolerance
By force, the strong characteristic of ability and ultraviolet resistance.
The above description is only an embodiment of the present invention, is not intended to limit the scope of the invention, all to utilize this hair
Equivalent structure or equivalent flow shift made by bright specification and accompanying drawing content is applied directly or indirectly in other relevant skills
Art field, is included within the scope of the present invention.
Claims (5)
1. a kind of capacitive touch screen, which is characterized in that including cover board, function lamella and foam glue-line, the cover board and function
Lamella is connected by the foam glue-line；The foam glue-line is frame-shaped construction；The cover board is glass workpiece, PC plastic part, PMM
One of A acrylic board or plastic-plastic composite materials, the cover board with a thickness of 2~8mm.
2. capacitive touch screen according to claim 1, which is characterized in that the function lamella is ITO Film conductive
Any one in film, ITO Glass electro-conductive glass, graphene or nano silver.
3. capacitive touch screen according to claim 1, which is characterized in that the cover board is top layer, the function lamella
For bottom.
4. capacitive touch screen according to claim 1, which is characterized in that the foam glue-line is frame-shaped construction.
5. capacitive touch screen according to claim 1, which is characterized in that the foam glue-line be PE foam double-faced adhesive,
Any one in EVA foam double-faced adhesive, PU foam double-faced adhesive, waterproof foam double-faced adhesive or acryl foam double-faced adhesive.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811440291.0A CN109254702A (en) | 2018-11-28 | 2018-11-28 | A kind of capacitive touch screen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811440291.0A CN109254702A (en) | 2018-11-28 | 2018-11-28 | A kind of capacitive touch screen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109254702A true CN109254702A (en) | 2019-01-22 |
Family
ID=65042350
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811440291.0A Pending CN109254702A (en) | 2018-11-28 | 2018-11-28 | A kind of capacitive touch screen |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109254702A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110069104A (en) * | 2019-04-30 | 2019-07-30 | 努比亚技术有限公司 | A kind of flexible screen mould group and wearable device |
| CN111965861A (en) * | 2020-08-14 | 2020-11-20 | 深圳市灵触科技有限公司 | TFT frame pasting device and method with touch function |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102402359A (en) * | 2011-12-27 | 2012-04-04 | 天津美泰真空技术有限公司 | Capacitive touch screen |
| CN203350834U (en) * | 2013-07-30 | 2013-12-18 | 深圳市金立通信设备有限公司 | Terminal |
| WO2018000645A1 (en) * | 2016-06-27 | 2018-01-04 | 意力(广州)电子科技有限公司 | Capacitive touch screen |
| CN207529359U (en) * | 2017-11-27 | 2018-06-22 | 张家港康得新光电材料有限公司 | Large scale suspends every empty formula touch screen |
| CN209086893U (en) * | 2018-11-28 | 2019-07-09 | 深圳市灵触科技有限公司 | A kind of capacitive touch screen |
-
2018
- 2018-11-28 CN CN201811440291.0A patent/CN109254702A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102402359A (en) * | 2011-12-27 | 2012-04-04 | 天津美泰真空技术有限公司 | Capacitive touch screen |
| CN203350834U (en) * | 2013-07-30 | 2013-12-18 | 深圳市金立通信设备有限公司 | Terminal |
| WO2018000645A1 (en) * | 2016-06-27 | 2018-01-04 | 意力(广州)电子科技有限公司 | Capacitive touch screen |
| CN207529359U (en) * | 2017-11-27 | 2018-06-22 | 张家港康得新光电材料有限公司 | Large scale suspends every empty formula touch screen |
| CN209086893U (en) * | 2018-11-28 | 2019-07-09 | 深圳市灵触科技有限公司 | A kind of capacitive touch screen |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110069104A (en) * | 2019-04-30 | 2019-07-30 | 努比亚技术有限公司 | A kind of flexible screen mould group and wearable device |
| CN110069104B (en) * | 2019-04-30 | 2022-06-17 | 努比亚技术有限公司 | Flexible screen module and wearing equipment |
| CN111965861A (en) * | 2020-08-14 | 2020-11-20 | 深圳市灵触科技有限公司 | TFT frame pasting device and method with touch function |
| CN111965861B (en) * | 2020-08-14 | 2021-06-11 | 深圳市灵触科技有限公司 | TFT liquid crystal screen frame pasting device and method with touch function |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20190122 |
|
| WD01 | Invention patent application deemed withdrawn after publication |