CN208432970U - A kind of curved touch screen and electronic display unit - Google Patents
A kind of curved touch screen and electronic display unit Download PDFInfo
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- CN208432970U CN208432970U CN201721625677.XU CN201721625677U CN208432970U CN 208432970 U CN208432970 U CN 208432970U CN 201721625677 U CN201721625677 U CN 201721625677U CN 208432970 U CN208432970 U CN 208432970U
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Abstract
This application discloses a kind of curved touch screen and electronic display units, comprising: curved glass cover-plate passes through the fexible film of optics glue bond, the touch function layer being deposited on the fexible film with the glass cover-plate.Curved touch screen provided by the present application includes curved glass cover-plate, passes through the fexible film of optics glue bond, the touch function layer being deposited on the fexible film with the glass cover-plate.The utility model prepares curved touch screen by this processing mode, to meet user to the needs of touch screen curved surface appearance by the way that fexible film is deposited on curved glass cover-plate, and in the lower surface of fexible film optics glue bond touch function layer.
Description
Technical field
The utility model relates to display field, in particular to a kind of curved touch screen and electronic display unit.
Background technique
The development of touch-control and display technology is greatly enriched people's lives, and revolution formula is also brought to human-computer interaction
Experience.However, with the development of technology, user is higher and higher to the appearance requirement of touch screen, especially to the touch screen of curved surface
Demand it is higher and higher.It is understood that the preparation needs of Curved screen make functional layer on bend glass.
But in the prior art, the preparation of touch screen is usually to utilize OGS (one glass solution, monolithic glass
Glass set touch function) coating process, it is difficult to make functional layer on bend glass using OGS coating process, thus cannot make
It is standby to go out to meet the touch screen that user needs curved surface appearance.
Therefore, how to prepare curved touch screen is those skilled in the art's urgent problem to be solved.
Utility model content
In view of this, meeting and using the purpose of this utility model is to provide a kind of curved touch screen and electronic display unit
Appearance demand of the family to touch screen.Its concrete scheme is as follows:
A kind of curved touch screen, comprising:
Curved glass cover-plate passes through the fexible film of optics glue bond with the glass cover-plate, in the fexible film
The touch function layer of upper vapor deposition.
Optionally, the optical cement includes OCA optical cement.
Optionally, the optical cement includes SCA optical cement.
Optionally, the fexible film includes PI film.
Optionally, the fexible film includes PC film.
Optionally, the fexible film includes SRF film.
The invention also discloses a kind of electronic display units accordingly, including above-mentioned curved touch screen.
Curved touch screen provided by the utility model includes that curved glass cover-plate and the glass cover-plate pass through optical cement
The fexible film of bonding, the touch function layer being deposited on the fexible film.The utility model passes through in curved glass cover
Fexible film is deposited on plate, and in the lower surface of fexible film optics glue bond touch function layer, passes through this processing mode
Curved touch screen is prepared, to meet user to the needs of touch screen curved surface appearance.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is the embodiments of the present invention, for those of ordinary skill in the art, without creative efforts, also
Other attached drawings can be obtained according to the attached drawing of offer.
Fig. 1 is curved touch screen provided by the embodiment of the utility model and specific embodiment.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
The utility model embodiment discloses a kind of curved touch screen, including curved glass cover-plate and glass cover-plate lead to
The fexible film for crossing optics glue bond, the touch function layer being deposited on the fexible film.
Before above-mentioned curved touch screen is described in detail, brief description is carried out to touch screen, touch screen is usual
Including cover board, touch screen and display screen；Wherein, the main function of cover board is the following touch screen and display screen of protection.Need into
Row explanation, cover board is usually glass material, and primary raw material is ultra-thin flat glass, by cutting, CNC finishing impression, is thinned, strong
After the process such as change, plated film, printing, have the function of protecting against shock, scratch resistance picture, resistance to greasy dirt, anti-fingerprint, enhancing light transmittance etc..Cause
It is easy to accomplish that cover board is made into curved shape by this.
Touch screen includes the carrier of touch function layer and carrying touch function layer.Usual touch function layer can be ITO, receive
Meter Yin, naturally it is also possible to be metal grill, thus touch function layer can be deposited on curved cover board using OGS evaporation process.
Need to be illustrated, using OGS evaporation process prepare touch screen be protection glass on directly formed ITO conductive film and
The electronic product protection screen made under a kind of technology of sensor；It has the advantage that first, saved one layer of glass cost and drop
Low primary fitting cost, it is, multi-disc can process together simultaneously, the detachable UV glue laminating of divided glass hot water；The
Two, weight is alleviated；Third increases light transmittance.Intelligence can preferably be met using touch screen prepared by OGS evaporation process
Terminal ultrathin demand, and display effect is promoted, it is the inevitable choice of high-end display device.
Therefore, curved touch screen provided by the utility model includes curved glass cover-plate, passes through with the glass cover-plate
The fexible film of optics glue bond, the touch function layer being deposited on the fexible film.The utility model passes through curved
Fexible film is deposited on glass cover-plate, and in the lower surface of fexible film optics glue bond touch function layer, passes through this place
Reason mode prepares curved touch screen, to meet user to the needs of touch screen curved surface appearance.
It needs to be illustrated, the optical cement for bonding curved cover board and touch function layer can be OCA glue, certainly
It is also possible to SCA glue.The advantages of OCA optical cement, is: 1, can reduce dazzle, reduce the loss that LCD issues light, increase LCD's
The transmissivity that brightness and offer are done, reduces energy consumption；2, increase the contrast under contrast, especially strong illumination；3, face connects
There is higher intensity；4, Newton's ring is avoided；5, product surface is more smooth；6, non-boundary expands visible area.SCA optical cement tool
There are superior translucency, clarity, cementability, the superior heat-resisting weatherability of moisture-proof especially has excellent antidetonation and anti-knock properties
Can, significantly improve safety, reliability, durability and the aesthetics of touch screen entirety.Thus, OCA glue and SCA glue are extensive
Gluing applied to each element of touching display screen.
Fexible film in the utility model can be PI film (Polyimide, polyimides), need to be illustrated
It is that PI is the polymer that main chain contains imide group.Fire resistant polyimide superengineering plastics have a lot of other engineerings
The unexistent excellent properties of plastics: high temperature resistant, low temperature resistant, corrosion-resistant, self-lubricating, low abrasion, excellent in mechanical performance, dimensionally stable
Property it is good, thermal expansion coefficient is small, high insulation, low-heat lead, do not melt, non-corrosive, metal, ceramics, poly- can be substituted in many cases
Tetrafluoroethene and engineering plastics etc. are widely used in petrochemical industry, mining machinery, precision machinery, auto industry, microelectronics and set
Fexible film can be made in the fields such as standby, medical instrument.
Fexible film in the utility model can be PC film, need to be illustrated, and PC film is that a kind of nothing is fixed
Type, odorless, nontoxic, highly transparent colourless or yellowish thermoplastic engineering plastic have excellent physical mechanical property；Creep
Small, the dimensionally stable of property；With good heat resistance and lower temperature resistance, there is stable mechanical property in wider temperature range
Can, dimensional stability, electrical property can also be used as fexible film.
Certainly, the fexible film in the utility model is also possible to SRF film.It needs to be illustrated, SRF film is
Flexion mylar is onlapped, there is good resistance to bend(ing) energy, can also be used as fexible film.
The utility model embodiment also discloses the specific implementation process for preparing curved touch screen.As shown in Figure 1, include with
Lower step:
Step 1: preparation PI film.It needs to be illustrated, the preparation process of PI film may is that polyimides is thin
The production of film is substantially two step method, 1, synthesizing polyamides acid；2, form a film imidization.Film build method mainly has infusion process, curtain coating
Method and salivation pulling method.Infusion process equipment is simple, simple process, but film surface is often stained with aluminium powder, and film length is limited
System, production efficiency is low, this method should not develop；Casting method equipment precision is high, and uniformity of film is good, and surface is completely smooth, and film is long
Spend it is unrestricted, can be with continuous production, film various aspects of performance is good, and it is raw that this method can be used in the film generally required
It produces；The film of pulling method production, performance are significantly increased, but complex process working condition is harsh, and investment is big, and product price is high,
Only high-quality thin film just uses this method.The capital equipment that casting method uses has: stainless steel resin solution storage tank, salivation mouth, stream
Saliva machine, imidization furnace, winder and hot-air system etc..Preparation step: the polyamic acid solution after defoaming is stored up by stainless steel solution
In salivation mouth storage tank before tank is pressed by the road on head.Steel band travels at the uniform speed, by the solution in storage tank through salivating mouth front scrapping plate
It takes away, and forms liquid film in homogeneous thickness, it is dry subsequently into drying road.The air of clean dried is sent into heater by air blower
Enter upper and lower drying road after being preheating to certain temperature.Hot wind flow direction and steel band traffic direction are on the contrary, to make liquid film dry
Temperature gradually rises when dry, and solvent gradually volatilizees, and increases drying effect.Polyamic Acid Film operates therewith one week on steel band,
Solvent evaporation becomes solid film, and the film under removing from steel band guides imidization furnace into through guide roller.Imidization furnace is generally
Multiple roll cartridge form enters imidization furnace with the guide roller guidance Polyamic Acid Film of slobbering machine synchronizing speed, after high temperature imidization,
It is wound by winder, to be prepared into PI film.
Step 2: spreading out PI film is smooth on planar glass substrate, by large stretch of OGS high temperature coating process, will touch
Control functional layer is made on film PI, forms touch function layer-PI film 2, film PI is polyimides, and thickness is very thin, generally
It is 0.03mm thickness, the high temperature of plated film can be born.
Step 3: the touch function layer-PI film 2 prepared in second step is bonded with bend glass 1, can prepare in this way
Curved touch screen 3, and the very thin thickness of curved touch screen 3, almost as the touch screen using the preparation of OGS evaporation process
Thickness.It needs to be illustrated, touch function layer-PI film 2 is bonded the optical cement used with bend glass 1 and can be OCA
Glue and SCA glue.
The utility model embodiment also discloses a kind of electronic display unit, including above-mentioned curved touch screen.About song
Being discussed in detail for face touch screen please refers to above, and details are not described herein.
The foregoing description of the disclosed embodiments makes those skilled in the art can be realized or use the utility model.
Various modifications to these embodiments will be apparent for a person skilled in the art, general original as defined herein
Reason can be realized in other embodiments without departing from the spirit or scope of the present utility model.Therefore, this is practical new
Type is not intended to be limited to the embodiments shown herein, and is to fit to and the principles and novel features disclosed herein phase
Consistent widest scope.
Claims (7)
1. a kind of curved touch screen characterized by comprising
Curved glass cover-plate is steamed with the glass cover-plate by the fexible film of optics glue bond, on the fexible film
The touch function layer of plating.
2. curved touch screen according to claim 1, which is characterized in that the optical cement includes OCA optical cement.
3. curved touch screen according to claim 1, which is characterized in that the optical cement includes SCA optical cement.
4. curved touch screen according to any one of claims 1 to 3, which is characterized in that the fexible film includes PI thin
Film.
5. curved touch screen according to claim 1, which is characterized in that the fexible film includes PC film.
6. curved touch screen according to claim 1, which is characterized in that the fexible film includes SRF film.
7. a kind of electronic display unit, which is characterized in that including curved touch screen as claimed in any one of claims 1 to 6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721625677.XU CN208432970U (en) | 2017-11-27 | 2017-11-27 | A kind of curved touch screen and electronic display unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721625677.XU CN208432970U (en) | 2017-11-27 | 2017-11-27 | A kind of curved touch screen and electronic display unit |
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| CN208432970U true CN208432970U (en) | 2019-01-25 |
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| CN201721625677.XU Active CN208432970U (en) | 2017-11-27 | 2017-11-27 | A kind of curved touch screen and electronic display unit |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110072352A (en) * | 2019-04-12 | 2019-07-30 | Oppo广东移动通信有限公司 | Shell of electronic equipment and preparation method thereof, electronic equipment |
| RU2732470C2 (en) * | 2018-12-07 | 2020-09-17 | Федеральное государственное бюджетное образовательное учреждение высшего образования "Санкт-Петербургский государственный университет (СПбГУ)" | Device for laser-acoustic control of solid and liquid media |
| CN112216206A (en) * | 2019-07-09 | 2021-01-12 | 陕西坤同半导体科技有限公司 | Glass cover plate, flexible display screen and display device |
-
2017
- 2017-11-27 CN CN201721625677.XU patent/CN208432970U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2732470C2 (en) * | 2018-12-07 | 2020-09-17 | Федеральное государственное бюджетное образовательное учреждение высшего образования "Санкт-Петербургский государственный университет (СПбГУ)" | Device for laser-acoustic control of solid and liquid media |
| CN110072352A (en) * | 2019-04-12 | 2019-07-30 | Oppo广东移动通信有限公司 | Shell of electronic equipment and preparation method thereof, electronic equipment |
| CN112216206A (en) * | 2019-07-09 | 2021-01-12 | 陕西坤同半导体科技有限公司 | Glass cover plate, flexible display screen and display device |
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