CN208562203U - A kind of hardening coat film and the bent flexible screen comprising it - Google Patents
A kind of hardening coat film and the bent flexible screen comprising it Download PDFInfo
- Publication number
- CN208562203U CN208562203U CN201821086941.1U CN201821086941U CN208562203U CN 208562203 U CN208562203 U CN 208562203U CN 201821086941 U CN201821086941 U CN 201821086941U CN 208562203 U CN208562203 U CN 208562203U
- Authority
- CN
- China
- Prior art keywords
- layer
- hardening coat
- flexible screen
- coat film
- film
- 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)
Abstract
The utility model provides a kind of hardening coat film and the bent flexible screen comprising it.The hardening coat film includes clear polyimides layer and the nano-diamond membrane that the clear polyimides layer surface is arranged in.The bent flexible screen includes the back paste layer being successively bonded, flexible screen, polaroid, the first optical adhesive layer, touch tablet, the second optical adhesive layer and hardening coat film；Or the back paste layer including being successively bonded, flexible screen, touch tablet, the first optical adhesive layer, polaroid, the second optical adhesive layer and hardening coat film；Second optical adhesive layer is bonded with the clear polyimides layer of the hardening coat film.Hardening coat film provided by the utility model has both high rigidity, high visible area transmitance, high chemical stability and high-flexibility, can satisfy the performance requirement of bent flexible screen protective film.
Description
Technical field
The utility model belongs to flexible display screen technical field, and in particular to a kind of hardening coat film and the bendable comprising it
Roll over flexible screen.
Background technique
The screen of the digital product (mobile phone, MP4, PSP, portable computer etc.) of the prior art is plane, not foldable
Bending, it is extremely inconvenient to carry.With the development of smart electronics industry, digital product (especially mobile phone) be would tend to more
Thin, foldable, rollable direction is developed, this just needs the outermost hardening coat film of screen (hard coat) to be provided simultaneously with
High rigidity, high visible area transmitance, high chemical stability and high-flexibility, hardness should reach 7H or more, in crooked process radius
Under conditions of 1mm, the bad orders phenomenon such as 100,000 subsurface flawlesses of bending, folding line.
Common screen protecting film, as PC (polycarbonate) protective film, PET (polyethylene terephthalate) are protected
Film, hardness are insufficient.The hardening protective film of esters of acrylic acid is pretty good for the protecting effect of not folding screen, but is applied to
When bendable fold-type screen, it may appear that folding line is generated during being folding or bending over, the bad phenomenons such as crackle, centre are arched upward, from
And seriously affect the appearance and use of mobile phone.
CN 102294862A discloses a kind of flexible screen protection film and preparation method thereof, the flexible screen protection film packet
Substrate, sterilization stiffening layer, adhesive layer and release film are included, sterilization stiffening layer is arranged in the first surface of substrate, and adhesive layer is arranged in
The second surface of substrate, release film are adhered on adhesive layer；Wherein, substrate is PU (polyurethane) film, TPU (thermoplastic polyurethane
Elastomer) film, PO (polyolefin) film or PVC (Corvic) film, sterilization stiffening layer is the oxidation of fine copper, copper alloy or copper
Object is plated on substrate by vacuum evaporation, vacuum ion plating or vacuum sputtering；Its function of being provided simultaneously with anti-scratch and sterilization,
Folding line is not generated during being folding or bending over.But the hardness of the flexible screen protection film in 3H hereinafter, and flexible
Property is also far from the requirement for reaching bent flexible screen.
Therefore, the hardness and flexibility for how improving protective film simultaneously, comply with the technical indicator of bending display screen, are
This field urgent problem to be solved.
Utility model content
In view of the deficienciess of the prior art, the purpose of this utility model is to provide a kind of hardening coat film and including it
Bent flexible screen.The hardening coat film has both high rigidity and high-flexibility, can satisfy bent flexible screen protective film
Performance requirement.
For this purpose, the utility model uses following technical scheme:
On the one hand, the utility model provides a kind of hardening coat film, comprising:
Clear polyimides layer and the nano-diamond membrane that the clear polyimides layer surface is set.
Nano-diamond membrane have high visible area transmitance, high rigidity, high-wearing feature and chemical stability, by by its
At appropriate thickness in conjunction with clear polyimides layer, the hardening coat film enabled to has both high rigidity and high-flexibility,
It can satisfy the performance requirement of bent flexible screen protective film.
The utility model is not particularly limited the preparation method of hardening coat film, illustratively, can choose as follows
Method:
Carbonization treatment first is carried out to transparent polyimide film surface with laser or plasma, then uses low temperature vapor deposition
The transparent polyimide film surface of technology after the carbonization process deposits one layer of nano-diamond membrane, obtains hardening coat film.
As the preferred technical solution of the utility model, the visible region transmitance of the clear polyimides layer >=
90%, mist degree < 1%, yellowing < 1%.
As the optimal technical scheme of the utility model, the clear polyimides layer with a thickness of 10 μm -100 μm；Example
It such as can be 10 μm, 15 μm, 20 μm, 25 μm, 30 μm, 35 μm, 40 μm, 45 μm, 50 μm, 55 μm, 60 μm, 65 μm, 70 μm, 75 μ
M, 80 μm, 85 μm, 90 μm, 95 μm or 100 μm etc..
As the optimal technical scheme of the utility model, the clear polyimides layer with a thickness of 10 μm -80 μm.
As the optimal technical scheme of the utility model, the nano-diamond membrane with a thickness of 0.5 μm -5 μm；Such as it can
To be 0.5 μm, 1 μm, 1.5 μm, 2 μm, 2.5 μm, 3 μm, 3.5 μm, 4 μm, 4.5 μm or 5 μm etc..
As the optimal technical scheme of the utility model, the nano-diamond membrane with a thickness of 0.5 μm -3 μm.
In the utility model, the flexibility of hardening coat film declines with the increase of Nano diamond film thickness, but receives
When the thickness of rice diamond film is too low, then it is difficult to play a protective role.The thickness of nano-diamond membrane is preferred in the utility model
It is 0.5 μm -5 μm, within this range, in order to further increase the flexibility of hardening coat film, nano-diamond membrane can be reduced
Thickness.
On the other hand, the utility model provides a kind of bent flexible screen, described in one embodiment of the utility model
Bent flexible screen includes the back paste layer being successively bonded, flexible screen, polaroid, the first optical adhesive layer, touch tablet, the second optical cement
Layer and above-mentioned hardening coat film；
Second optical adhesive layer is bonded with the clear polyimides layer of the hardening coat film.
In another embodiment of the utility model, the bent flexible screen includes the back paste layer being successively bonded, flexibility
Screen, touch tablet, the first optical adhesive layer, polaroid, the second optical adhesive layer and above-mentioned hardening coat film；
Second optical adhesive layer is bonded with the clear polyimides layer of the hardening coat film.
As the optimal technical scheme of the utility model, the back paste layer is flexible macromolecule layer or flexible metal clad laminate.
As the optimal technical scheme of the utility model, the flexible macromolecule layer is PET (polyethylene terephthalate
Ester) film layer, PI (polyimides) film layer or PU (polyurethane) film layer.
As the optimal technical scheme of the utility model, the flexible metal clad laminate be stainless steel film layer, titanium alloy film layer or
Invar (iron-nickel alloy) film layer.
As the optimal technical scheme of the utility model, thickness≤66 μm of the polaroid；Such as it can be 66 μm, 63
μm, 60 μm, 48 μm, 45 μm, 42 μm, 40 μm, 38 μm, 35 μm, 32 μm, 30 μm, 28 μm or 25 μm etc.
Compared with prior art, the utility model has the following beneficial effects:
Hardness >=9H of hardening coat film provided by the utility model, it is seen that light area transmitance >=90%, in crooked process radius
It under the conditions of 1mm, is bent 100,000 times away from one side direction of display surface or opposite direction, the bad appearance such as surface flawless, folding line is simultaneous
Have high rigidity, high visible area transmitance, high chemical stability and high-flexibility, can satisfy bent flexible screen protective film
Performance requirement.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of hardening coat film provided by the utility model；
Wherein, 11 it is clear polyimides layer, 12 is nano-diamond membrane.
Fig. 2 is the structural schematic diagram for the bent flexible screen that embodiment 6 provides；
Wherein, 21 it is back paste layer, 22 be flexible screen, 23 be polaroid, 24 be the first optical adhesive layer, 25 is touch tablet, 26
It is hardening coat film for the second optical adhesive layer, 27.
Fig. 3 is the structural schematic diagram for the bent flexible screen that embodiment 7 provides；
Wherein, 31 it is back paste layer, 32 be flexible screen, 33 be touch tablet, 34 be the first optical adhesive layer, 35 is polaroid, 36
It is hardening coat film for the second optical adhesive layer, 37.
Specific embodiment
Further illustrate the technical solution of the utility model below with reference to the accompanying drawings and specific embodiments.This field
Technical staff is not construed as practical new to this it will be clearly understood that the specific embodiment is only to aid in and understands the utility model
The concrete restriction of type.
In the utility model, hardening coat film is prepared with the following method:
Choose visible region transmitance >=90%, mist degree < 1%, the transparent polyimide film of yellowing < 1%, using laser
Carbonization treatment is carried out to transparent polyimide film surface, then uses the transparent polyamides of low temperature vapor deposition technology after the carbonization process
Imines film surface deposits one layer of nano-diamond membrane, obtains hardening coat film.
Embodiment 1
The present embodiment provides a kind of hardening coat films, including clear polyimides layer 11 and setting are in the transparent polyamides Asia
The nano-diamond membrane 12 on 11 surface of amine layer；
Wherein, clear polyimides layer 11 with a thickness of 100 μm, nano-diamond membrane 12 with a thickness of 5 μm.
The hardness of hardening coat film provided in this embodiment is 10H, it is seen that light area transmitance is 90%, in crooked process radius
It under the conditions of 1mm, is bent 100,000 times away from one side direction of display surface or opposite direction, the bad appearance such as surface flawless, folding line,
High rigidity, high visible area transmitance, high chemical stability and high-flexibility are had both, can satisfy bent flexible screen protective film
Performance requirement.
Embodiment 2
The present embodiment provides a kind of hardening coat films, including clear polyimides layer 11 and setting are in the transparent polyamides Asia
The nano-diamond membrane 12 on 11 surface of amine layer；
Wherein, clear polyimides layer 11 with a thickness of 80 μm, nano-diamond membrane 12 with a thickness of 3 μm.
The hardness of hardening coat film provided in this embodiment is 10H, it is seen that light area transmitance is 90%, in crooked process radius
It under the conditions of 1mm, is bent 100,000 times away from one side direction of display surface or opposite direction, the bad appearance such as surface flawless, folding line,
High rigidity, high visible area transmitance, high chemical stability and high-flexibility are had both, can satisfy bent flexible screen protective film
Performance requirement.
Embodiment 3
The present embodiment provides a kind of hardening coat films, including clear polyimides layer 11 and setting are in the transparent polyamides Asia
The nano-diamond membrane 12 on 11 surface of amine layer；
Wherein, clear polyimides layer 11 with a thickness of 50 μm, nano-diamond membrane 12 with a thickness of 2 μm.
The hardness of hardening coat film provided in this embodiment is 9H, it is seen that light area transmitance is 91%, in crooked process radius 1mm
Under the conditions of, it is bent 100,000 times away from one side direction of display surface or opposite direction, the bad appearance such as surface flawless, folding line is simultaneous
Have high rigidity, high visible area transmitance, high chemical stability and high-flexibility, can satisfy bent flexible screen protective film
Performance requirement.
Embodiment 4
The present embodiment provides a kind of hardening coat films, including clear polyimides layer 11 and setting are in the transparent polyamides Asia
The nano-diamond membrane 12 on 11 surface of amine layer；
Wherein, clear polyimides layer 11 with a thickness of 30 μm, nano-diamond membrane 12 with a thickness of 1 μm.
The hardness of hardening coat film provided in this embodiment is 9H, it is seen that light area transmitance is 93%, in crooked process radius 1mm
Under the conditions of, it is bent 100,000 times away from one side direction of display surface or opposite direction, the bad appearance such as surface flawless, folding line is simultaneous
Have high rigidity, high visible area transmitance, high chemical stability and high-flexibility, can satisfy bent flexible screen protective film
Performance requirement.
Embodiment 5
The present embodiment provides a kind of hardening coat films, including clear polyimides layer 11 and setting are in the transparent polyamides Asia
The nano-diamond membrane 12 on 11 surface of amine layer；
Wherein, clear polyimides layer 11 with a thickness of 10 μm, nano-diamond membrane 12 with a thickness of 0.5 μm.
The hardness of hardening coat film provided in this embodiment is 9H, it is seen that light area transmitance is 95%, in crooked process radius 1mm
Under the conditions of, it is bent 100,000 times away from one side direction of display surface or opposite direction, the bad appearance such as surface flawless, folding line is simultaneous
Have high rigidity, high visible area transmitance, high chemical stability and high-flexibility, can satisfy bent flexible screen protective film
Performance requirement.
Embodiment 6
The present embodiment provides a kind of bent flexible screen, including be successively bonded back paste layer 21, flexible screen 22, polaroid
23, the first optical adhesive layer 24, touch tablet 25, the second optical adhesive layer 26 and hardening coat film 27；
Wherein, back paste layer 21 is PET film layer；Polaroid 23 with a thickness of 60 μm；Hardening coat film 27 is that embodiment 1 provides
Hardening coat film, clear polyimides layer 11 is bonded with the second optical adhesive layer 26.
Embodiment 7
The present embodiment provides a kind of bent flexible screen, including be successively bonded back paste layer 31, flexible screen 32, touch tablet
33, the first optical adhesive layer 34, polaroid 35, the second optical adhesive layer 36 and hardening coat film 37；
Wherein, back paste layer 31 is stainless steel film layer；Polaroid 33 with a thickness of 40 μm；Hardening coat film 37 is embodiment 2
The hardening coat film of offer, clear polyimides layer 11 are bonded with the second optical adhesive layer 36.
Comparative example 1
The difference from embodiment 1 is that clear polyimides layer 11 is replaced with PE (polyethylene) film layer.
The hardening coat film that this comparative example provides is under the conditions of crooked process radius 1mm, away from one side direction of display surface or on the contrary
Direction is bent 100,000 times, and apparent crackle occurs in surface and folding line, flexibility are not able to satisfy bent flexible screen protective film
Performance requirement.
Comparative example 2
The difference from embodiment 1 is that clear polyimides layer 11 is replaced with PET film layer.
The hardening coat film that this comparative example provides is under the conditions of crooked process radius 1mm, away from one side direction of display surface or on the contrary
Direction is bent 100,000 times, and apparent crackle occurs in surface and folding line, flexibility are not able to satisfy bent flexible screen protective film
Performance requirement.
The Applicant declares that the foregoing is merely specific embodiment of the present utility model, but the protection model of the utility model
It encloses and is not limited thereto, it should be clear to those skilled in the art, any to belong to those skilled in the art and exist
In the technical scope that the utility model discloses, any changes or substitutions that can be easily thought of, all falls within the protection scope of the utility model
Within the open scope.
Claims (10)
1. a kind of hardening coat film, which is characterized in that the hardening coat film includes: clear polyimides layer and is arranged described
The nano-diamond membrane of clear polyimides layer surface.
2. hardening coat film according to claim 1, which is characterized in that the clear polyimides layer with a thickness of 10 μ
m-100μm。
3. hardening coat film according to claim 2, which is characterized in that the clear polyimides layer with a thickness of 10 μ
m-80μm。
4. hardening coat film according to claim 1, which is characterized in that the nano-diamond membrane with a thickness of 0.5 μm-
5μm。
5. hardening coat film according to claim 4, which is characterized in that the nano-diamond membrane with a thickness of 0.5 μm-
3μm。
6. a kind of bent flexible screen, which is characterized in that the bent flexible screen includes the back paste layer being successively bonded, flexibility
Screen, polaroid, the first optical adhesive layer, touch tablet, the second optical adhesive layer and the described in any item hardening coats of claim 1-5
Film；
Or the back paste layer including being successively bonded, flexible screen, touch tablet, the first optical adhesive layer, polaroid, the second optical adhesive layer and
The described in any item hardening coat films of claim 1-5；
Second optical adhesive layer is bonded with the clear polyimides layer of the hardening coat film.
7. bent flexible screen according to claim 6, which is characterized in that the back paste layer is flexible macromolecule layer or soft
Property metal layer.
8. bent flexible screen according to claim 7, which is characterized in that the flexible macromolecule layer is PET film layer, PI
Film layer or PU film layer.
9. bent flexible screen according to claim 7, which is characterized in that the flexible metal clad laminate be stainless steel film layer,
Titanium alloy film layer or Invar film layer.
10. bent flexible screen according to claim 6, which is characterized in that thickness≤66 μm of the polaroid.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821086941.1U CN208562203U (en) | 2018-07-10 | 2018-07-10 | A kind of hardening coat film and the bent flexible screen comprising it |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821086941.1U CN208562203U (en) | 2018-07-10 | 2018-07-10 | A kind of hardening coat film and the bent flexible screen comprising it |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208562203U true CN208562203U (en) | 2019-03-01 |
Family
ID=65491918
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821086941.1U Active CN208562203U (en) | 2018-07-10 | 2018-07-10 | A kind of hardening coat film and the bent flexible screen comprising it |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208562203U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022267738A1 (en) * | 2021-06-22 | 2022-12-29 | 江苏菲沃泰纳米科技股份有限公司 | Hardened film applied to flexible substrate, and preparation method therefor and product thereof |
-
2018
- 2018-07-10 CN CN201821086941.1U patent/CN208562203U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022267738A1 (en) * | 2021-06-22 | 2022-12-29 | 江苏菲沃泰纳米科技股份有限公司 | Hardened film applied to flexible substrate, and preparation method therefor and product thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US20210300010A1 (en) | Cover window for display device and display device including the same | |
| US9369553B2 (en) | Mobile electronic device comprising an ultrathin sapphire cover plate | |
| US9354358B2 (en) | Light guiding liquid glue and a touch sensitive display using the same | |
| JP7097959B2 (en) | Flexible cover lens film | |
| US20110155409A1 (en) | Electronic device housing | |
| WO2014149193A3 (en) | Method of growing aluminum oxide onto substrates by use of an aluminum source in an environment containing partial pressure of oxygen to create transparent, scratch-resistant windows | |
| CN107315499A (en) | Flexible display apparatus and its manufacture method | |
| JP2015157913A5 (en) | ||
| CN208562203U (en) | A kind of hardening coat film and the bent flexible screen comprising it | |
| US7371440B2 (en) | Protective film for LCD and method for making the same | |
| CN204149628U (en) | The product of a kind of coated basal plate and gained | |
| CN102152571A (en) | Seven-color changing screen protective film and manufacturing method thereof | |
| US20130313017A1 (en) | Housing and electronic device using the housing | |
| JP2017077731A (en) | Gas barrier laminate for electronic device | |
| US20200189239A1 (en) | Cover window structure and flexible display device | |
| TWM376828U (en) | Touch panel | |
| CN103507337A (en) | Mirror surface screen protection film | |
| JP2020037248A (en) | Laminate, and production method thereof | |
| CN209307281U (en) | The automatic exhaust protective film of Curved screen | |
| CN211570523U (en) | Anti-fingerprint large curved surface protective film | |
| CN208292911U (en) | A kind of novel mobile phone protective film | |
| CN209412138U (en) | A kind of PET and TPU structural defence film of anti-fingerprint | |
| CN208649198U (en) | A kind of screen protector | |
| CN209568044U (en) | A kind of high hardening PET film | |
| CN109796883B (en) | Adhesive film and optical device using the same |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 201506 No. nine, No. 1568 engineering road, Shanghai, Jinshan District Patentee after: Shanghai Hehui optoelectronic Co., Ltd Address before: 201506 No. nine, No. 1568 engineering road, Shanghai, Jinshan District Patentee before: EverDisplay Optronics (Shanghai) Ltd. |