CN206475518U - Interior rupture pressure disc for many curved surface touch-control display modules - Google Patents
Interior rupture pressure disc for many curved surface touch-control display modules Download PDFInfo
- Publication number
- CN206475518U CN206475518U CN201720051814.7U CN201720051814U CN206475518U CN 206475518 U CN206475518 U CN 206475518U CN 201720051814 U CN201720051814 U CN 201720051814U CN 206475518 U CN206475518 U CN 206475518U
- Authority
- CN
- China
- Prior art keywords
- adhesive layer
- curved surface
- control display
- rupture pressure
- pressure disc
- 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.)
- Active
Links
Landscapes
- Laminated Bodies (AREA)
- Adhesive Tapes (AREA)
- Push-Button Switches (AREA)
Abstract
For the interior rupture pressure disc of many curved surface touch-control display modules, it is related to photovoltaic technical field, it includes basilar memebrane, explosion-proof layer, adhesive layer and the mould release membrance set gradually from the bottom to top；The explosion-proof layer is the aliphatic TPU film of flow casting molding/coating on basilar memebrane or is acrylic resins of painting and the acrylic resin films being solidify to form through UV on basilar memebrane；The adhesive layer is the anacidity pressure-sensitive adhesive layer for being coated in the aliphatic TPU film or acrylic resin films surface；The mould release membrance is compounded on anacidity pressure-sensitive adhesive layer.This be used for many curved surface touch-control display modules interior rupture pressure disc flexibility it is good, with splendid docile performance and higher tack, available for explosion-proof in 2.5D and 3D Curved screens.
Description
Technical field
The utility model is related to photovoltaic technical field, more particularly to a kind of for the interior of many curved surface touch-control display modules
Rupture pressure disc.
Background technology
With the popularization of electronic product, each middle electronic product, such as mobile phone, tablet personal computer gos deep into huge numbers of families, become
The indispensable part of daily life, camber display screen and flexible display screen start to be pushed into market, display module in recent years
The requirement of the TP cover plates on surface also more and more thinner, in order to prevent TP glass fragmentation faceds from splashing, TP rupture pressure discs become indispensable.
In order to adapt to four curved-surface display structures, various materials are constantly employed for the protection of four curved-surface structures, current market
Mainly there are the prince of Japan and Guo Nei Megumi star in the manufacturer of rupture pressure disc in four Curved screens of upper supply, and said two devices all use PET
Material as screen internal Protection.In general, rupture pressure disc in PET（Relatively thin polyester film is such as used, surface is hardened
Coating treatment）Plane and bi-curved arc side are only used for, but at the turning position of four curved-surface structures, the stretching to material
Require very high with shrinkage, existing technology is difficult to PET material and fitted with the complete of four curved surfaces, adds in PET and prevents
Quick-fried film base material is hard, very property is good, even if hot bending still easily warps when it is used for Curved screen, fraction defective is generally more than 30%（It is above-mentioned bad
Rate data are from certain domestic southern large-scale touch-screen module manufacturer）.
Utility model content
The technical problems to be solved in the utility model is：There is provided a kind of flexibility it is good, with ultrathin and splendid docile
The interior rupture pressure disc available for many curved surface touch-control display modules of performance.
In order to solve the above-mentioned technical problem, the utility model is adopted the following technical scheme that：Mould is shown for many curved surface touch-controls
The interior rupture pressure disc of group, including basilar memebrane, explosion-proof layer, adhesive layer and the mould release membrance set gradually from the bottom to top；
The explosion-proof layer is for the aliphatic TPU film of flow casting molding/coating on basilar memebrane or in basilar memebrane
Upper acrylic resins of painting and the acrylic resin films being solidify to form through UV；The adhesive layer is to be coated in the aliphatic
TPU film or the anacidity pressure-sensitive adhesive layer on acrylic resin films surface；The mould release membrance is compounded on anacidity pressure-sensitive adhesive layer.
Wherein, the explosion-proof layer surface tack free and its thickness be 20-50 μm, light transmittance be higher than 92%.
Further, the anacidity pressure-sensitive adhesive layer is acrylate adhesive layer, and the thickness of the acrylate adhesive layer is 10-
30 μm, peeling force >=1800gf/in of the acrylate adhesive layer is measured through 180 degree peel test.
Wherein, the basilar memebrane is PET film.
Wherein, the gross thickness of the interior rupture pressure disc for being used for many curved surface touch-control display modules be 30-80 μm, integral light-transmitting rate >=
93%th, mist degree≤1%.
Or, this be used for gross thickness of the interior rupture pressure disc of many curved surface touch-control display modules for 50-80 μm, integral light-transmitting rate >=
93%th, mist degree≤1%.
It is preferred that, blue-light absorbers are added with the acrylate adhesive layer.
In the utility model, basilar memebrane can avoid explosion-proof layer from being scraped off and out-of-flatness, it is ensured that explosion-proof layer thickness
Uniformity.The TPU/ acrylic resin films of coating or flow casting molding can accomplish ultra-thin thickness on basilar memebrane, the TPU/ third
Olefin(e) acid resin film is more soft compared to existing PET rupture pressure discs.
Client first removes basilar memebrane, then entered on TPU/ acrylic resin films surface when using the interior rupture pressure disc
The techniques such as row printing, plating, strip are that can obtain conductive material layer, wherein, the adhesive force of the electrically conductive ink of printing can be by right
TPU/ acrylic resin films surface gets a promotion as plasma treatment, when the rupture pressure disc is fitted with TP cover plates, then remove from
Type film, allows anacidity pressure-sensitive adhesive layer to paste TP cover plate inner surfaces, coordinates hot pressing attaching process to realize that rupture pressure disc is covered with TP
The perfect laminating of plate.It is emphasized that above-mentioned TPU/ acrylic resin films are ultra-thin and softness, draftability is good, and it bends
When internal stress it is minimum（According to hot pressing attaching process, the film internal stress redistribution after hot bending, because of internal stress resilience can
Energy property becomes there's almost no）, have splendid conformable when explosion-proof in for many Curved screens, be not in explosion-proof layer completely
Warp situation about being separated with cover plate, and laminating fraction defective is well below rupture pressure disc in existing PET（In certain southern large-scale touch-screen mould
Group manufacturer's In-Plant Test, the utility model laminating fraction defective is less than 3%）.
Brief description of the drawings
Fig. 1 is the overall structure diagram of embodiment of the present utility model；
In figure：
1 --- --- explosion-proof layer 3 --- adhesive layer 4 --- mould release membrance of basilar memebrane 2.
Embodiment
For the ease of the understanding of those skilled in the art, further is made to the utility model with reference to embodiment and accompanying drawing
Explanation, the content that embodiment is referred to not to it is of the present utility model limit.
In description of the present utility model, it is to be understood that term " upper surface ", " lower surface ", " between " etc. refer to
The orientation or position relationship shown is all based on orientation shown in the drawings or position relationship, and so statement is merely to make this practicality new
The description of type more simply, conveniently, rather than indicates or implied that institute's finger must have specific orientation, with specific orientation structure
Make and operate.
As shown in figure 1, a kind of interior rupture pressure disc for many curved surface touch-control display modules, including set gradually from the bottom to top
Basilar memebrane 1, explosion-proof layer 2, adhesive layer 3 and mould release membrance 4；
Explosion-proof layer 2 is for the aliphatic TPU film of flow casting molding/coating on basilar memebrane 1 or on basilar memebrane 1
Acrylic resins of painting and the acrylic resin films being solidify to form through UV；Adhesive layer 3 is to be coated in aliphatic TPU film or third
The anacidity pressure-sensitive adhesive layer on olefin(e) acid resin film surface；Mould release membrance 4 is compounded on anacidity pressure-sensitive adhesive layer.
In the present embodiment, basilar memebrane 1 can avoid explosion-proof layer 2 from being scraped off and out-of-flatness, it is ensured that the thickness of explosion-proof layer 2
Uniformity.The TPU/ acrylic resin films of coating or flow casting molding can accomplish ultra-thin thickness on basilar memebrane 1, the TPU/ third
Olefin(e) acid resin film is more soft compared to existing PET rupture pressure discs.
Client first removes basilar memebrane 1, then entered on TPU/ acrylic resin films surface when using the interior rupture pressure disc
The techniques such as row printing, plating, strip are that can obtain conductive material layer, wherein, the adhesive force of the electrically conductive ink of printing can be by right
TPU/ acrylic resin films surface gets a promotion as plasma treatment, when the rupture pressure disc is fitted with TP cover plates, then remove from
Type film 4, allows anacidity pressure-sensitive adhesive layer to paste TP cover plate inner surfaces, coordinates hot pressing attaching process to realize that rupture pressure disc is covered with TP
The perfect laminating of plate.It is emphasized that above-mentioned TPU/ acrylic resin films are ultra-thin and softness, draftability is good, and it bends
When internal stress it is minimum（According to hot pressing attaching process, the film internal stress redistribution after hot bending, because of internal stress resilience can
Energy property becomes there's almost no）, have splendid conformable when explosion-proof in for many Curved screens, be not in explosion-proof layer completely
2 warp situation about being separated with cover plate, and laminating fraction defective is well below rupture pressure disc in existing PET（In certain southern large-scale touch-screen
Module manufacturer's In-Plant Test, the rupture pressure disc laminating fraction defective of the present embodiment is less than 3%）.
Further, in the embodiment shown in fig. 1, the surface tack free of explosion-proof layer 2 and its thickness are 20-50 μm, light transmittance
Higher than 92%.
In the above-described embodiments, it is preferred that the anacidity pressure-sensitive adhesive layer is acrylate adhesive layer, the SGA
The thickness of adhesion coating is 10-30 μm, and peeling force >=1800gf/in of the acrylate adhesive layer is measured through 180 degree peel test.
In the utility model, anacidity pressure sensitive adhesive refers to that acid number is extremely low or the pressure sensitive adhesive of anacidity addition, using anacidity acrylate pressure
Quick glue can avoid the corrosion to printed circuit containing sour glue.
Preferably, in the interior rupture pressure disc shown in Fig. 1 for many curved surface touch-control display modules, basilar memebrane 1 is that PET is thin
Film.The planarization of TPU/ acrylic resin films can both be ensured by making basilar memebrane using PET film, can allow explosion-proof after being die cut again
The otch edge quality of film is higher.
In the utility model, this be used for gross thickness of the interior rupture pressure disc of many curved surface touch-control display modules for 30-80 μm, it is whole
Body light transmittance >=93%, mist degree≤1%.Or, in the case of the suitably thickness of increase adhesive layer 3 and basilar memebrane 1, this is used for many
The gross thickness control of the interior rupture pressure disc of curved surface touch-control display module at 50-80 μm just enough, even and if increased in thickness
In the case of, to ensure display effect, it should also ensure interior explosion-proof integral light-transmitting rate >=93%, mist degree≤1%.
Finally, blue-light absorbers can also be added with acrylate adhesive layer to realize anti-blue light eye-protecting function.
Above-described embodiment is the utility model preferably implementation, and in addition, the utility model can be with other sides
Formula realizes that any obvious replacement is in protection model of the present utility model on the premise of the technical program design is not departed from
Within enclosing.
In order to allow those of ordinary skill in the art more easily understand the utility model relative to prior art improvement it
Place, some accompanying drawings of the present utility model and description have been simplified, and for the sake of clarity, present specification is omitted one
A little other elements, those of ordinary skill in the art should be aware that these elements omitted also may make up in of the present utility model
Hold.
Claims (7)
1. the interior rupture pressure disc for many curved surface touch-control display modules, it is characterised in that：Including the substrate set gradually from the bottom to top
Film（1）, explosion-proof layer（2）, adhesive layer（3）And mould release membrance（4）；
The explosion-proof layer（2）For in basilar memebrane（1）The aliphatic TPU film of upper flow casting molding/coating is in substrate
Film（1）Upper acrylic resins of painting and the acrylic resin films being solidify to form through UV；The adhesive layer（3）It is described to be coated in
Aliphatic TPU film or the anacidity pressure-sensitive adhesive layer on acrylic resin films surface；The mould release membrance（4）It is compounded in anacidity pressure sensitive adhesive
On layer.
2. the interior rupture pressure disc according to claim 1 for many curved surface touch-control display modules, it is characterised in that：It is described explosion-proof
Layer（2）Surface tack free and its thickness are 20-50 μm, light transmittance is higher than 92%.
3. the interior rupture pressure disc according to claim 1 or 2 for many curved surface touch-control display modules, it is characterised in that：It is described
Anacidity pressure-sensitive adhesive layer is acrylate adhesive layer, and the thickness of the acrylate adhesive layer is 10-30 μm, peels off and surveys through 180 degree
Examination measures peeling force >=1800gf/in of the acrylate adhesive layer.
4. the interior rupture pressure disc according to claim 1 or 2 for many curved surface touch-control display modules, it is characterised in that：It is described
Basilar memebrane（1）For PET film.
5. the interior rupture pressure disc according to claim 2 for many curved surface touch-control display modules, it is characterised in that：This is used for many
The gross thickness of the interior rupture pressure disc of curved surface touch-control display module is 30-80 μm, integral light-transmitting rate >=93%, mist degree≤1%.
6. the interior rupture pressure disc according to claim 4 for many curved surface touch-control display modules, it is characterised in that：This is used for many
The gross thickness of the interior rupture pressure disc of curved surface touch-control display module is 50-80 μm, integral light-transmitting rate >=93%, mist degree≤1%.
7. the interior rupture pressure disc according to claim 3 for many curved surface touch-control display modules, it is characterised in that：The propylene
Blue-light absorbers are added with acid esters adhesive layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720051814.7U CN206475518U (en) | 2017-01-17 | 2017-01-17 | Interior rupture pressure disc for many curved surface touch-control display modules |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720051814.7U CN206475518U (en) | 2017-01-17 | 2017-01-17 | Interior rupture pressure disc for many curved surface touch-control display modules |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206475518U true CN206475518U (en) | 2017-09-08 |
Family
ID=59755154
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720051814.7U Active CN206475518U (en) | 2017-01-17 | 2017-01-17 | Interior rupture pressure disc for many curved surface touch-control display modules |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206475518U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106853704A (en) * | 2017-01-17 | 2017-06-16 | 衡山县佳诚新材料有限公司 | Interior rupture pressure disc for many curved surface touch-control display modules and preparation method thereof |
| CN110267477A (en) * | 2019-06-27 | 2019-09-20 | Oppo广东移动通信有限公司 | Housing unit and preparation method thereof and electronic equipment |
| WO2020259359A1 (en) * | 2019-06-27 | 2020-12-30 | Oppo广东移动通信有限公司 | Housing assembly and preparation method thereof, and electronic device |
-
2017
- 2017-01-17 CN CN201720051814.7U patent/CN206475518U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106853704A (en) * | 2017-01-17 | 2017-06-16 | 衡山县佳诚新材料有限公司 | Interior rupture pressure disc for many curved surface touch-control display modules and preparation method thereof |
| CN106853704B (en) * | 2017-01-17 | 2019-07-26 | 衡山县佳诚新材料有限公司 | Interior rupture pressure disc and preparation method thereof for more curved surface touch-control display modules |
| CN110267477A (en) * | 2019-06-27 | 2019-09-20 | Oppo广东移动通信有限公司 | Housing unit and preparation method thereof and electronic equipment |
| WO2020259359A1 (en) * | 2019-06-27 | 2020-12-30 | Oppo广东移动通信有限公司 | Housing assembly and preparation method thereof, and electronic device |
| CN110267477B (en) * | 2019-06-27 | 2021-09-24 | Oppo广东移动通信有限公司 | Shell assembly, preparation method thereof and electronic equipment |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106853704B (en) | Interior rupture pressure disc and preparation method thereof for more curved surface touch-control display modules | |
| TWI630117B (en) | Double-sided adhesive sheet for image display device and bonding method thereof, double-sided adhesive sheet for image display device with release film, and image display device using the same | |
| CN206475518U (en) | Interior rupture pressure disc for many curved surface touch-control display modules | |
| CN105358643B (en) | Paste section material and the Touch Screen display member with the paste section material | |
| TW201432523A (en) | Conductive film and manufacture method thereof and touch screen containing the conductive film | |
| TW201432537A (en) | Conductive film and manufacture method thereof and touch screen containing the conductive film | |
| CN109873020B (en) | Laminated film material, display panel, display device and preparation method of display panel | |
| TWI565384B (en) | Touch panel | |
| CN103105964A (en) | Touch panel and method of producing the same | |
| CN108550586A (en) | Display module and preparation method thereof, display device | |
| US20130316114A1 (en) | Screen protector | |
| CN206396112U (en) | Rupture pressure disc in a kind of electronic display | |
| CN104345962A (en) | Portable electronic product, touch screen and touch screen preparation method | |
| CN203825584U (en) | Portable electronic product and touch screen thereof | |
| CN104679338B (en) | Explosion-proof membrane module, touch screen structure and display device | |
| CN212115384U (en) | Protective film for curved mobile phone | |
| CN211771042U (en) | Protection film convenient to paste and apply | |
| JP2013018820A (en) | Pressure-sensitive adhesive sheet and laminate | |
| CN208148667U (en) | Silicone protective film for flat display panel | |
| CN105493008A (en) | Capacitive touch panel | |
| CN205942189U (en) | Liquid crystal module | |
| CN216183379U (en) | Ultra-thin glass cover plate | |
| JP3182091U (en) | Capacitive touch panel | |
| CN108531100B (en) | Protective paste for screen | |
| CN207291194U (en) | A kind of polyurethane protective film |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |