CN106853704A - Interior rupture pressure disc for many curved surface touch-control display modules and preparation method thereof - Google Patents
Interior rupture pressure disc for many curved surface touch-control display modules and preparation method thereof Download PDFInfo
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- CN106853704A CN106853704A CN201710031761.7A CN201710031761A CN106853704A CN 106853704 A CN106853704 A CN 106853704A CN 201710031761 A CN201710031761 A CN 201710031761A CN 106853704 A CN106853704 A CN 106853704A
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- curved surface
- control display
- explosion
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- surface touch
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/06—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material
- B32B27/08—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/06—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/36—Layered products comprising a layer of synthetic resin comprising polyesters
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/40—Layered products comprising a layer of synthetic resin comprising polyurethanes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B33/00—Layered products characterised by particular properties or particular surface features, e.g. particular surface coatings; Layered products designed for particular purposes not covered by another single class
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
- B32B37/12—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by using adhesives
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B7/00—Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
- B32B7/04—Interconnection of layers
- B32B7/12—Interconnection of layers using interposed adhesives or interposed materials with bonding properties
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2255/00—Coating on the layer surface
- B32B2255/10—Coating on the layer surface on synthetic resin layer or on natural or synthetic rubber layer
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2255/00—Coating on the layer surface
- B32B2255/26—Polymeric coating
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2307/00—Properties of the layers or laminate
- B32B2307/40—Properties of the layers or laminate having particular optical properties
- B32B2307/412—Transparent
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- Adhesive Tapes (AREA)
- Adhesives Or Adhesive Processes (AREA)
- Laminated Bodies (AREA)
Abstract
Interior rupture pressure disc for many curved surface touch-control display modules and preparation method thereof, is related to photovoltaic technical field, and the above-mentioned interior rupture pressure disc for many curved surface touch-control display modules includes the basilar memebrane, explosion-proof layer, adhesive layer and the mould release membrance that 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, can be used for the interior explosion-proof of 2.5D and 3D Curved screens.
Description
Technical field
It is more particularly to a kind of for explosion-proof in many curved surface touch-control display modules the present invention relates to photovoltaic technical field
Film and preparation method thereof.
Background technology
With the popularization of electronic product, each middle electronic product, such as mobile phone, panel computer go deep into huge numbers of families, become
The indispensable part of daily life, camber display screen and flexible display screen start to push 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 the star of Guo Nei Megumi 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
Very high with shrinkage requirement, existing technology is difficult to fitting completely for PET material and four curved surfaces, adds anti-in PET
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 domestic certain large-scale touch-screen module manufacturer of south）.
The content of the invention
The technical problem to be solved in the present invention is：There is provided a kind of flexibility it is good, with ultrathin and splendid docile performance
The interior rupture pressure disc that can be used for many curved surface touch-control display modules.Further, the present invention also provides a kind of for many curved surface touch-controls
The preparation method of the interior rupture pressure disc of display module.
In order to solve the above-mentioned technical problem, the present invention is adopted the following technical scheme that：For many curved surface touch-control display modules
Interior rupture pressure disc, including basilar memebrane, explosion-proof layer, adhesive layer and the mould release membrance for setting 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 to be applied on basilar memebrane
Cloth acrylic resin and the acrylic resin films being solidify to form through UV；The adhesive layer is thin 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, the peeling force >=1800gf/in of the acrylate adhesive layer is measured through 180 degree peel test.
Wherein, the basilar memebrane is PET film.
Wherein, this be used for gross thickness of the interior rupture pressure disc of many curved surface touch-control display modules for 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%.
Preferably, blue-light absorbers are added with the acrylate adhesive layer.
As another aspect of the present invention, a kind of method for preparing the interior rupture pressure disc for many curved surface touch-control display modules,
Comprise the following steps：
With plastic sheeting as substrate, aliphatic TPU film is formed on the substrate by way of flow casting molding/coating explosion-proof
Layer or on the substrate acrylic resins of painting simultaneously solidify to form acrylic resin films explosion-proof layer through UV；
One layer of anacidity pressure sensitive adhesive adhesion coating is coated with the aliphatic TPU film explosion-proof layer/acrylic resin films explosion-proof layer；
One layer of mould release membrance is combined on the anacidity pressure sensitive adhesive adhesion coating, you can for many curved surface touch-control display modules described in obtaining
Interior rupture pressure disc.
In above-mentioned preparation method, the plastic sheeting that the substrate is used is PET film.
In above-mentioned preparation method, the aliphatic TPU film explosion-proof layer/explosion-proof layer surface of acrylic resin films is without viscous
Property and its thickness be 20-50 μm, light transmittance be higher than 92%；
The anacidity pressure sensitive adhesive adhesion coating is acrylate pressure-sensitive adhesive layer, and the acrylate pressure-sensitive adhesive thickness degree is 10-30 μm, warp
180 degree peel test measures the peeling force >=1800gf/in of the acrylate pressure-sensitive adhesive layer.
In the present invention, basilar memebrane can avoid explosion-proof layer from being scraped off and out-of-flatness, it is ensured that explosion-proof layer thickness it is consistent
Property.The TPU/ acrylic resin films of coating or flow casting molding can accomplish ultra-thin thickness on basilar memebrane, the TPU/ acrylic acid
Resin film is more soft compared to existing PET rupture pressure discs.
Client first removes basilar memebrane when using the interior rupture pressure disc, then enters on TPU/ acrylic resin films surface
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, its bending
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 completely not in explosion-proof layer
Warp situation about with cover plate separate, and laminating fraction defective is well below rupture pressure disc in existing PET（In southern certain large-scale touch-screen mould
Group manufacturer's In-Plant Test, present invention laminating fraction defective is less than 3%）.
Brief description of the drawings
Fig. 1 is the overall structure diagram of embodiments of the invention；
In figure：
1 --- --- explosion-proof layer 3 --- adhesive layer 4 --- mould release membrance of basilar memebrane 2.
Specific embodiment
For the ease of the understanding of those skilled in the art, the present invention is made further with reference to embodiment and accompanying drawing
It is bright, the content that implementation method is referred to not limitation of the invention.
In the description of the invention, it is to be understood that term " upper surface ", " lower surface ", " between " etc. instruction
Orientation or position relationship are all based on orientation shown in the drawings or position relationship, and so statement is merely to allow description of the invention
It is simpler, convenient, must be with specific orientation, with specific azimuth configuration and behaviour rather than instruction or hint institute finger
Make.
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 the aliphatic TPU film of flow casting molding/coating on basilar memebrane 1 or is to be coated with basilar memebrane 1
Acrylic resin and the acrylic resin films being solidify to form through UV；Adhesive layer 3 is to be coated in aliphatic TPU film or acrylic acid
The anacidity pressure-sensitive adhesive layer on 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 when using the interior rupture pressure disc, then enters on TPU/ acrylic resin films surface
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, its bending
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 completely not in explosion-proof layer
2 warp situation about with cover plate separate, and laminating fraction defective is well below rupture pressure disc in existing PET（In southern certain 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 the peeling force >=1800gf/in of the acrylate adhesive layer is measured through 180 degree peel test.
In the present invention, anacidity pressure sensitive adhesive refers to that acid number is extremely low or the pressure sensitive adhesive of anacidity addition, using anacidity acrylate pressure-sensitive adhesive
The corrosion to printed circuit containing sour glue can be avoided.
Preferably, in the interior rupture pressure disc of many curved surface touch-control display modules is used for shown in Fig. 1, basilar memebrane 1 is that PET is thin
Film.Making basilar memebrane using PET film can both ensure the planarization of TPU/ acrylic resin films, can allow explosion-proof after being die cut again
The otch edge quality of film is higher.
In the present invention, 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 overall thoroughly
Light rate >=93%, mist degree≤1%.Or, in the case of the appropriate thickness for increasing adhesive layer 3 and basilar memebrane 1, this is used for many curved surfaces
The gross thickness control of the interior rupture pressure disc of touch-control display module at 50-80 μm just enough, even and if in the increased situation of thickness
Under, 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.
As another aspect of the present invention, a kind of side for preparing the above-mentioned interior rupture pressure disc for many curved surface touch-control display modules
Method, comprises the following steps：
With plastic sheeting as substrate, by way of flow casting molding/coating in substrate formed aliphatic TPU film explosion-proof layer or
Person acrylic resins of painting and solidify to form acrylic resin films explosion-proof layer in substrate through UV；
One layer of anacidity pressure sensitive adhesive adhesion coating is coated with aliphatic TPU film explosion-proof layer/acrylic resin films explosion-proof layer；
One layer of mould release membrance is combined on anacidity pressure sensitive adhesive adhesion coating, you can obtain above-mentioned for preventing in many curved surface touch-control display modules
Quick-fried film.
In above-mentioned preparation method, it is preferred that the plastic sheeting that substrate is used is PET film.
In above-mentioned preparation method, it is preferred that the aliphatic TPU film explosion-proof layer/explosion-proof layer surface of acrylic resin films
Inviscid and its thickness is 20-50 μm, light transmittance is higher than 92%；
Anacidity pressure sensitive adhesive adhesion coating is acrylate pressure-sensitive adhesive layer, and acrylate pressure-sensitive adhesive thickness degree is 10-30 μm, is shelled through 180 degree
From the peeling force >=1800gf/in for measuring acrylate pressure-sensitive adhesive layer.
Above-described embodiment is the present invention preferably implementation, and in addition, the present invention can be realized with other manner,
Any obvious replacement is within protection scope of the present invention on the premise of not departing from the technical program design.
In order to allow those of ordinary skill in the art more easily to understand improvements of the present invention relative to prior art, this
Some accompanying drawings of invention and description have been simplified, and for the sake of clarity, present specification is omitted some other units
Element, those of ordinary skill in the art should be aware that these elements for omitting also may make up present disclosure.
Claims (10)
1. the interior rupture pressure disc of many curved surface touch-control display modules is used for, it is characterised in that：Including the substrate for setting 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）It is 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 for many curved surface touch-control display modules according to claim 1, 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 for many curved surface touch-control display modules according to claim 1 and 2, 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, is peeled off through 180 degree and surveyed
Examination measures the peeling force >=1800gf/in of the acrylate adhesive layer.
4. the interior rupture pressure disc for many curved surface touch-control display modules according to claim 1 and 2, it is characterised in that：It is described
Basilar memebrane（1）It is PET film.
5. the interior rupture pressure disc for many curved surface touch-control display modules according to claim 2, 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 for many curved surface touch-control display modules according to claim 4, 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 for many curved surface touch-control display modules according to claim 3, it is characterised in that：The propylene
Blue-light absorbers are added with acid esters adhesive layer.
8. a kind of method for preparing the interior rupture pressure disc for many curved surface touch-control display modules, comprises the following steps：
With plastic sheeting as substrate, aliphatic TPU film is formed on the substrate by way of flow casting molding/coating explosion-proof
Layer or on the substrate acrylic resins of painting simultaneously solidify to form acrylic resin films explosion-proof layer through UV；
One layer of anacidity pressure sensitive adhesive adhesion coating is coated with the aliphatic TPU film explosion-proof layer/acrylic resin films explosion-proof layer；
One layer of mould release membrance is combined on the anacidity pressure sensitive adhesive adhesion coating, you can for many curved surface touch-control display modules described in obtaining
Interior rupture pressure disc.
9. the method for preparing the interior rupture pressure disc for many curved surface touch-control display modules according to claim 8, it is characterised in that：
The plastic sheeting that the substrate is used is PET film.
10. the method for preparing the interior rupture pressure disc for many curved surface touch-control display modules according to claim 8 or claim 9, its feature
It is：
The aliphatic TPU film explosion-proof layer/acrylic resin films explosion-proof layer surface tack free and its thickness is 20-50 μm,
Light transmittance is higher than 92%；
The anacidity pressure sensitive adhesive adhesion coating is acrylate pressure-sensitive adhesive layer, and the acrylate pressure-sensitive adhesive thickness degree is 10-30 μm, warp
180 degree peel test measures the peeling force >=1800gf/in of the acrylate pressure-sensitive adhesive layer.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710031761.7A CN106853704B (en) | 2017-01-17 | 2017-01-17 | Interior rupture pressure disc and preparation method thereof for more curved surface touch-control display modules |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710031761.7A CN106853704B (en) | 2017-01-17 | 2017-01-17 | Interior rupture pressure disc and preparation method thereof for more curved surface touch-control display modules |
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| CN106853704A true CN106853704A (en) | 2017-06-16 |
| CN106853704B CN106853704B (en) | 2019-07-26 |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108559422A (en) * | 2018-05-30 | 2018-09-21 | 宁波惠之星新材料科技有限公司 | A kind of Curved screen protector |
| CN110077068A (en) * | 2019-05-08 | 2019-08-02 | 衡山县佳诚新材料有限公司 | A kind of Novel rear cover for mobile phone and its production technology |
| CN110144177A (en) * | 2019-05-20 | 2019-08-20 | 深圳市格莱特印刷材料有限公司 | Antiexplosion adhesive and preparation method thereof for 3D curved surface touch screen |
| 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 |
| CN111004586A (en) * | 2019-12-19 | 2020-04-14 | 河源轩朗光电科技有限公司 | Pad pasting subassembly, display device and protection subsides |
| CN111019542A (en) * | 2019-10-28 | 2020-04-17 | 深圳昌茂粘胶新材料有限公司 | Mute black mobile phone internal explosion-proof membrane material and preparation method thereof |
| CN114604016A (en) * | 2022-03-12 | 2022-06-10 | 深圳大蓝鹰通信科技有限公司 | Explosion-proof membrane for printing of mobile phone protective sleeve and preparation process thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
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| CN110144177A (en) * | 2019-05-20 | 2019-08-20 | 深圳市格莱特印刷材料有限公司 | Antiexplosion adhesive and preparation method thereof for 3D curved surface touch screen |
| 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 |
| 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 |
| CN111019542A (en) * | 2019-10-28 | 2020-04-17 | 深圳昌茂粘胶新材料有限公司 | Mute black mobile phone internal explosion-proof membrane material and preparation method thereof |
| CN111004586A (en) * | 2019-12-19 | 2020-04-14 | 河源轩朗光电科技有限公司 | Pad pasting subassembly, display device and protection subsides |
| CN114604016A (en) * | 2022-03-12 | 2022-06-10 | 深圳大蓝鹰通信科技有限公司 | Explosion-proof membrane for printing of mobile phone protective sleeve and preparation process thereof |
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