CN109912827A - Unlocked by fingerprint 3D screen protecting film and forming method under screen with high ductibility - Google Patents
Unlocked by fingerprint 3D screen protecting film and forming method under screen with high ductibility Download PDFInfo
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- CN109912827A CN109912827A CN201910276153.1A CN201910276153A CN109912827A CN 109912827 A CN109912827 A CN 109912827A CN 201910276153 A CN201910276153 A CN 201910276153A CN 109912827 A CN109912827 A CN 109912827A
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- tpu
- fingerprint
- unlocked
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- 238000000034 method Methods 0.000 title claims abstract description 18
- 238000000576 coating method Methods 0.000 claims abstract description 42
- 239000011248 coating agent Substances 0.000 claims abstract description 41
- 238000012986 modification Methods 0.000 claims abstract description 24
- 230000004048 modification Effects 0.000 claims abstract description 24
- 230000001681 protective effect Effects 0.000 claims abstract description 19
- 238000002834 transmittance Methods 0.000 claims abstract description 7
- 239000000463 material Substances 0.000 claims description 25
- 239000002002 slurry Substances 0.000 claims description 21
- 239000010410 layer Substances 0.000 claims description 11
- 239000012528 membrane Substances 0.000 claims description 9
- 230000007246 mechanism Effects 0.000 claims description 5
- 239000003960 organic solvent Substances 0.000 claims description 5
- 239000012790 adhesive layer Substances 0.000 claims description 4
- 238000005452 bending Methods 0.000 claims description 4
- 229920001169 thermoplastic Polymers 0.000 claims description 4
- 239000004416 thermosoftening plastic Substances 0.000 claims description 4
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 3
- 239000003242 anti bacterial agent Substances 0.000 claims description 3
- 229940088710 antibiotic agent Drugs 0.000 claims description 3
- 230000003115 biocidal effect Effects 0.000 claims description 3
- 238000005520 cutting process Methods 0.000 claims description 3
- 238000010438 heat treatment Methods 0.000 claims description 3
- 239000003495 polar organic solvent Substances 0.000 claims description 3
- 238000002360 preparation method Methods 0.000 claims description 3
- 239000000741 silica gel Substances 0.000 claims description 3
- 229910002027 silica gel Inorganic materials 0.000 claims description 3
- 239000002344 surface layer Substances 0.000 claims description 3
- 239000007921 spray Substances 0.000 claims description 2
- 238000009738 saturating Methods 0.000 claims 1
- 230000001413 cellular effect Effects 0.000 abstract description 5
- 230000000694 effects Effects 0.000 abstract description 5
- 239000000758 substrate Substances 0.000 abstract description 3
- 230000003075 superhydrophobic effect Effects 0.000 abstract description 2
- 238000004140 cleaning Methods 0.000 abstract 1
- 229920002803 thermoplastic polyurethane Polymers 0.000 description 42
- 239000004433 Thermoplastic polyurethane Substances 0.000 description 41
- 210000004379 membrane Anatomy 0.000 description 8
- 239000000047 product Substances 0.000 description 6
- 230000010287 polarization Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 230000035945 sensitivity Effects 0.000 description 3
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 2
- 230000000844 anti-bacterial effect Effects 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- 229920002635 polyurethane Polymers 0.000 description 2
- 239000004814 polyurethane Substances 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 241000894006 Bacteria Species 0.000 description 1
- 241000222122 Candida albicans Species 0.000 description 1
- 241000588724 Escherichia coli Species 0.000 description 1
- 241000295644 Staphylococcaceae Species 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 230000003666 anti-fingerprint Effects 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 210000002469 basement membrane Anatomy 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229940095731 candida albicans Drugs 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 238000010422 painting Methods 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920005749 polyurethane resin Polymers 0.000 description 1
- 238000012805 post-processing Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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- Laminated Bodies (AREA)
Abstract
The present invention discloses unlocked by fingerprint 3D screen protecting film and forming method under a kind of screen with high ductibility, this 3D screen protecting film includes phase difference PC film transparent less than 20 modification and TPU coating, which is that direct coating is incorporated in PC film surface.It is not easy to scratch as the substrate of protective film since PC film has high rigidity and good wear-resisting property.In addition, the phase difference of PC film is extremely low, there is high transmittance, low haze is suitable for shielding lower unlocked by fingerprint.And TPU itself is coated on PC film without phase difference, will not influence the phase difference of former film, guarantees the accuracy of unlocked by fingerprint.It adds, TPU coating is flexible, realizes protective film high stretch, and protective film finished product is covered with 3D curve screens radian screen note.Also, mobile phone operates sliding on safeguard film for cellular phone, hardly leaves a trace because of TPU super-hydrophobic oleophobic effects, self-cleaning is realized.
Description
Technical field
The present invention relates to safeguard film for cellular phone field technology, unlocked by fingerprint 3D under a kind of screen with high ductibility is referred in particular to
Screen protecting film and forming method.
Background technique
Unlocked by fingerprint identification is completed below screen glass, is mainly reached using infrared or optical technology through unlike material
The process of fingerprint recognition.Light is a kind of shear wave, and the direction of propagation is consistent with direction of vibration, influences the following several because being known as of rate
Point:
1, the interference of light: N light wave is mutually superimposed when meeting in space, reinforces always in some regions, in another part area
Domain slackens always, will cause stable strength distribution phenomenon.
2, the polarization of light: the phenomenon that spatial distribution of light wave electric vector vibration loses symmetry for the direction of propagation of light.
3, the scattering (reflection) of light: when light passes through inhomogeneous medium, segment beam deviates former direction and dispersive propagation.
Based on this, at present on the market the material with preferable translucidus have it is following several: COP, PC, TAC, SRF and general
Logical PET.Wherein, COP, PC, TAC solve light interference and light polarization, however these materials itself have again it is irremediable
Defect: COP be it is armorphous, PC is linear molecule, because without the orientation of light, low phase difference can perfectly avoid light
Caused by interference and polarization the problem of fingerprint recognition sensitivity decline.However, COP is frangible, PC hardness is too low (hardness < 1H).TAC
Excellent optical characteristics, but it is not resistant to water, and rigidity is not enough.SRF and common PET solve the interference of light and the scattering of light, SRF high phase
Potential difference, but since its material stiffness is inadequate, post-processing processing procedure performance is poor.Common PET mechanical strength with higher, but phase
Difference is lower, and only △ φ is 1000~3000.
Therefore, COP, PC, TAC, SRF and common PET cannot alone serve as safeguard film for cellular phone finished product.Need this field
Technical staff develops with high intensity, translucidus, suitable for the safeguard film for cellular phone of unlocked by fingerprint.
Summary of the invention
In view of this, in view of the deficiencies of the prior art, the present invention aims to provide one kind to have high extend
Property screen under unlocked by fingerprint 3D screen protecting film to be modified PC as basement membrane there is high intensity, hardness > 2H, and directly will
TPU coating is incorporated on PC in a manner of being coated with, and using TPU is flexible and characteristic without phase difference, will not influence after coating
The phase difference of protective film ensure that the lower unlocked by fingerprint function of screen, thus overcome the deficiencies in the prior art.
The present invention also provides the forming method of unlocked by fingerprint 3D screen protecting film under a kind of screen of high ductibility, moulding process
Simply, step is few, and with coating process, free sticky conjunction reduces the dielectric layer of bonding, reduces dielectric layer and does to protective film phase
It disturbs, improves unlocked by fingerprint precision under the screen of protective film.
To achieve the above object, the present invention is using following technical solution:
Unlocked by fingerprint 3D screen protecting film under a kind of screen with high ductibility is thin including phase difference PC transparent less than 20 modification
Film and TPU coating, the TPU coating are that direct coating is incorporated in PC film surface.
As a preferred embodiment, the PC film with a thickness of 50mm, 80 mm or 100 mm, the thickness of the TPU coating
Degree is 500-100 mm.
As a preferred embodiment, under the screen of the high ductibility unlocked by fingerprint 3D screen protecting film shape and Mobile phone screen
Curtain matches, including intermediate region and border area, which arches upward upwards as arc, which extends downwardly shape
At boundary.
As a preferred embodiment, the TPU coating is the surface layer of protective film, and the transparent PC film of modification is protective film
Middle layer, successively paste in the bottom surface of the transparent PC film of the modification has adhesive layer and release paper again.
The forming method of unlocked by fingerprint 3D screen protecting film under a kind of screen with high ductibility, comprising the following steps:
Step 1 takes the transparent PC film of the modification of phase difference < 20, is wound into PC material volume;
One end of PC material volume is placed into draw in coating machine and be unfolded by step 2, and the other end of PC material volume passes through coating mechanism and baking
After case, it is wound around on the wind-up roll of coating machine wait wind;
Step 3 heats prepared TPU slurry with cartridge heater, then pumps in the crack head of heating, from crack gap head discharging jet
Enter feeder channel, SRF film is directly wound on applicator roll, is dragged by applicator roll, and TPU slurry is coated directly on SRF film, TPU slurry
It is struck off again through comma scraper, and the coating wet-film thickness on applicator roll is guaranteed by the gap between comma scraper and applicator roll;
Step 4, the PC film for being coated with TPU slurry enter baking oven, and the organic solvent in TPU slurry volatilizees after reaching volatilization point,
TPU slurry thermoplastic film forming is attached to PC film surface.
As a preferred embodiment, in step 1, the refractive index 1.585 of the transparent PC film of modification, light transmittance 95%,
140 j/m of impact resistant strength value, 77 M scale of Rockwell hardness, 2230 Mpa of bending modulus, tensile yield point are 61 Mpa, are stretched
Breaking point is 140 Mpa, phase difference 12.
As a preferred embodiment, in step 1, the transparent PC film of modification is the modified PC material of nano anti-biotic material
Body.
As a preferred embodiment, in step 3, the preparation of TPU slurry be TPU modified is dissolved in it is highly polar
In organic solvent, viscosity is controlled at 800-1000cps/25 DEG C.
As a preferred embodiment, after step 4, it is also necessary to follow the steps below
Step 5: it is coated with layer of silica gel on the surface of TPU membrane, is finally bonded release film;
Step 6: ruling, cut out it is large stretch of, after by sheet cutting into strips;
Step 7: single pole piece is made in pole piece by film-making;
Step 8: single pole piece integer is 3D protective film finished product by integer.
The present invention has obvious advantages and beneficial effects compared with the existing technology, specifically, by above-mentioned technical proposal
It is found that 3D screen protecting film of the invention is using a kind of phase difference PC film transparent less than 20 modification as substrate, then directly
It connects and is coated with TPU coating in PC film surface.Since PC film has high rigidity (hardness > 2H) and good wear-resisting property
(1000g/500 times), it is not easy to scratch as the substrate of protective film.In addition, the phase difference of PC film is extremely low (phase difference < 20), have
High transmittance, low haze (T >=92%, H≤0.6) are suitable for shielding lower unlocked by fingerprint.And TPU coating is flexible, realizes protection
Film high stretch enables protective film finished product to cover with 3D curve screens radian screen note.Add, TPU itself without phase difference,
It is coated on PC film, will not influence the phase difference of former film, guarantees the accuracy of unlocked by fingerprint.Also, because TPU it is super-hydrophobic (θ >=
110 °) oleophobic effects (anti-fingerprint greasy dirt), mobile phone operates sliding on safeguard film for cellular phone, hardly leaves a trace, realize from
Clean effect.
The forming method of unlocked by fingerprint 3D screen protecting film under a kind of screen with high ductibility of the invention, with solution at
Embrane method, by modified TPU(thermoplastic polyurethane resin) it is dissolved in highly polar organic solvent, it is coated using accurate coating apparatus
Under specific PC membrane material surface, different oven temperature parameters, organic solvent volatilizees after reaching volatilization point in system, polyurethane
Resinous thermoplastic's film forming.This TPU membrane is that direct coating is incorporated in PC film surface, so that thickness is uniform after TPU membrane film forming, surface is dry
It is refreshing, while ply adhesion is good.Substitution tradition directly pastes multiple mode with TPU in this approach, exempts between TPU membrane and PC film
Dielectric layer, production is more convenient, and final product quality is more preferable.Further more, phase difference < 20 PC, not two-way since TPU is accurate coating
It stretches, polyurethane molecular non-polarized tends to, so will not change the high difference characteristic of PC, membrane material entirety phase difference is higher, can be with
Meet and shields lower unlocked by fingerprint requirement.After TPU membrane is combined with the coating of PC film, high stretch is obtained, the mobile phone of high mechanical strength is protected
Cuticula.
In order to explain the structural features and functions of the invention more clearly, come with reference to the accompanying drawing with specific embodiment to this hair
It is bright to be described in detail.
Detailed description of the invention
Fig. 1 is the 3D screen protecting film cross-sectional view of embodiments of the present invention.
Fig. 2 is the layer structure schematic diagram of the 3D screen protecting film of embodiments of the present invention.
Fig. 3 is the structural schematic diagram of the TPU coating apparatus of embodiments of the present invention.
Fig. 4 is the schematic diagram of the coating mechanism of the TPU coating apparatus of embodiments of the present invention.
Description of drawing identification:
100, intermediate region 200, border area
10, PC film 20, TPU coating
30, adhesive layer 40, release paper
50, coating mechanism 51, crack head
52, applicator roll 53, comma scraper
54, feeder channel 60, baking oven
70, wind-up roll.
Specific embodiment
It please refers to shown in Fig. 1 and Fig. 2, is that one kind has that show the specific structure of the preferred embodiments of the invention
Unlocked by fingerprint 3D screen protecting film under the screen of high ductibility, including phase difference PC film 10 transparent less than 20 modification and TPU(heat
Plastic polyurethane resin) coating, which is that direct coating is incorporated in 10 surface of PC film.In this implementation, the TPU
Coating 20 is the surface layer of protective film, and the transparent PC film 10 of modification is the middle layer of protective film, in the transparent PC film of the modification
10 bottom surface, which is successively pasted again, adhesive layer 30 and release paper 40.
Wherein, the PC film 10 with a thickness of 50mm, 80 mm or 100 mm, the TPU coating 20 with a thickness of 500-
100 mm.In the present embodiment, the refractive index 1.585 of the transparent PC film 10 of modification, light transmittance 95%, impact resistant strength value
140 j/m, 77 M scale of Rockwell hardness, 2230 Mpa of bending modulus, tensile yield point are 61 Mpa, and tension failure point is 140
Mpa, phase difference 12.Such transparent PC film 10 of modification can by buy the modified PC of existing Japanese Supreme Being people on the market expect into
Row processing and fabricating.After the present inventor melts the modified PC material of the Japanese Supreme Being people of buying, then it is modified through nano silver antibacterial material, to obtain
The modified PC material of nano silver antibacterial material is obtained, can effectively be killed with gold-coloured staphylococci, Escherichia coli and Candida albicans
The activity of the floras such as bacterium.The PC film 10 has good translucency, high mechanical strength, impact resistance, refractive index height.Also, simultaneously
And PC is linear molecule, because without the orientation of light, low phase difference can be avoided perfectly caused by interference and the polarization of light
The problem of fingerprint recognition sensitivity declines.However single one layer of PC film 10 be intolerant to strong acid, highly basic, not UV resistant, therefore needs
Will with it is compound with its function film, to enhance the function of protective film.
Protective film of the invention is not that 2D screen protects film, and it is a kind of 3D screen protecting film, shape that also non-2.5D screen, which protects film,
Shape matches with mobile phone 3D screen, including intermediate region 100 and border area 200, which arches upward upwards as arc
Shape, the border area 200 are downwardly extending boundary, so as to be bonded completely with mobile phone 3D screen.
As shown in Figure 3 and Figure 4, the present invention provides a kind of with high ductibility to realize manufacturing for the above product
Screen under unlocked by fingerprint 3D screen protecting film forming method, comprising the following steps:
Step 1 takes the transparent PC film 10 of the modification of phase difference < 20, is wound into PC material volume;
One end of PC material volume is placed into draw in coating machine and be unfolded by step 2, and the other end of PC material volume passes through 50 He of coating mechanism
After baking oven 60, it is wound around on the wind-up roll 70 of coating machine wait wind;
Step 3 heats prepared TPU slurry with cartridge heater, then pumps in the crack head 51 of heating, sprays from crack gap head
Feeder channel 54 is flowed into, SRF film is directly wound on applicator roll 52, is dragged by applicator roll 52, and TPU slurry is coated directly on SRF film,
TPU slurry strikes off through comma scraper 53 again, and guarantees the painting on applicator roll 52 by the gap between comma scraper 53 and applicator roll 52
Expect wet-film thickness;
Step 4, the PC film 10 for being coated with TPU slurry enter baking oven 60, and the organic solvent in TPU slurry is waved after reaching volatilization point
Hair, TPU slurry thermoplastic film forming are attached to 10 surface of PC film.
Wherein, in step 1, the refractive index 1.585 of the transparent PC film 10 of modification, light transmittance 95%, impact resistant strength
140 j/m of value, 77 M scale of Rockwell hardness, 2230 Mpa of bending modulus, tensile yield point are 61 Mpa, and tension failure point is
140 Mpa, phase difference 12.The transparent PC film 10 of modification is the modified PC material bodies of nano anti-biotic material.
In step 3, the preparation of TPU slurry is that TPU modified is dissolved in highly polar organic solvent, and control is viscous
Degree is at 800-1000cps/25 DEG C.
After step 4, it is also necessary to follow the steps below
Step 5: it is coated with layer of silica gel on the surface of TPU membrane, is finally bonded release film;
Step 6: ruling, cut out it is large stretch of, after by sheet cutting into strips;
Step 7: single pole piece is made in pole piece by film-making;
Step 8: single pole piece integer is 3D protective film finished product by integer.
Finished product obtained by above step is tested by experiment, following data is obtained, referring to table 1.
The performance test of 1 3D screen protecting film of table
It can be seen that the flexibility of rigidity and TPU of the 3D screen protecting film of the present invention with PC, and there is lower phase difference
(phase difference < 20), light transmittance is high, and light is stablized, and has good polarization effect, shields lower fingerprint high sensitivity.
The above described is only a preferred embodiment of the present invention, be not intended to limit the scope of the present invention,
Therefore any subtle modifications, equivalent variations and modifications to the above embodiments according to the technical essence of the invention, still
Belong in the range of technical solution of the present invention.
Claims (9)
1. unlocked by fingerprint 3D screen protecting film under a kind of screen with high ductibility, it is characterised in that: including phase difference less than 20
The transparent PC film (10) of modification and the TPU coating (20) without phase difference, it is thin which is that direct coating is incorporated in PC
Film (10) surface.
2. unlocked by fingerprint 3D screen protecting film under the screen according to claim 1 with high ductibility, it is characterised in that: institute
State PC film (10) with a thickness of 50mm, 80 mm or 100 mm, the TPU coating (20) with a thickness of 500-100 mm.
3. unlocked by fingerprint 3D screen protecting film under the screen according to claim 1 with high ductibility, it is characterised in that: institute
The shape for stating unlocked by fingerprint 3D screen protecting film under the screen of high ductibility matches with mobile phone screen, including intermediate region (100)
With border area (200), which arches upward upwards as arc, which is downwardly extending side
Boundary.
4. unlocked by fingerprint 3D screen protecting film under the screen according to claim 1 with high ductibility, it is characterised in that: institute
The surface layer that TPU coating (20) is protective film is stated, the transparent PC film (10) of modification is the middle layer of protective film, saturating in the modification
The bottom surface of bright PC film (10), which is successively pasted again, adhesive layer (30) and release paper (40).
5. the forming method of unlocked by fingerprint 3D screen protecting film under a kind of screen with high ductibility, it is characterised in that: including with
Lower step:
Step 1 takes the transparent PC film (10) of the modification of phase difference < 20, is wound into PC material volume;
One end of PC material volume is placed into draw in coating machine and be unfolded by step 2, and the other end of PC material volume passes through coating mechanism (50)
After baking oven (60), it is wound around on the wind-up roll (70) of coating machine wait wind;
Step 3 heats prepared TPU slurry with cartridge heater, then pumps in the crack head (51) of heating, sprays from crack gap head
Feeder channel is flowed into out, and SRF film is directly wound on applicator roll (52), is dragged by applicator roll (52), and TPU slurry is coated directly onto SRF
On film, TPU slurry strikes off through comma scraper (53) again, and guarantees coating by the gap between comma scraper (53) and applicator roll (52)
Coating wet-film thickness on roller (52);
Step 4, the PC film (10) for being coated with TPU slurry enter baking oven (60), and the organic solvent in TPU slurry reaches volatilization point
After volatilize, TPU slurry thermoplastic film forming be attached to PC film (10) surface.
6. the forming method of unlocked by fingerprint 3D screen protecting film under the screen according to claim 5 with high ductibility,
It is characterized in that: in step 1, the refractive index 1.585 of the transparent PC film (10) of modification, light transmittance 95%, impact resistant strength value
140 j/m, 77 M scale of Rockwell hardness, 2230 Mpa of bending modulus, tensile yield point are 61 Mpa, and tension failure point is 140
Mpa, phase difference 12.
7. the forming method of unlocked by fingerprint 3D screen protecting film under the screen according to claim 1 with high ductibility,
Be characterized in that: in step 1, the transparent PC film (10) of modification is the modified PC material bodies of nano anti-biotic material.
8. the forming method of unlocked by fingerprint 3D screen protecting film under the screen according to claim 1 with high ductibility,
Be characterized in that: in step 3, the preparation of TPU slurry is that TPU modified is dissolved in highly polar organic solvent, control
Viscosity is at 800-1000cps/25 DEG C.
9. the forming method of unlocked by fingerprint 3D screen protecting film under the screen according to claim 1 with high ductibility,
It is characterized in that: after step 4, it is also necessary to follow the steps below
Step 5: it is coated with layer of silica gel on the surface of TPU membrane, is finally bonded release film;
Step 6: ruling, cut out it is large stretch of, after by sheet cutting into strips;
Step 7: single pole piece is made in pole piece by film-making;
Step 8: single pole piece integer is 3D protective film finished product by integer.
Priority Applications (1)
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CN201910276153.1A CN109912827A (en) | 2019-04-08 | 2019-04-08 | Unlocked by fingerprint 3D screen protecting film and forming method under screen with high ductibility |
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CN201910276153.1A CN109912827A (en) | 2019-04-08 | 2019-04-08 | Unlocked by fingerprint 3D screen protecting film and forming method under screen with high ductibility |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN110264883A (en) * | 2019-06-28 | 2019-09-20 | 云谷(固安)科技有限公司 | A kind of curved face display panel laminating apparatus |
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WO2013108957A1 (en) * | 2012-01-16 | 2013-07-25 | 주식회사 윅스켐 | Multi-layered film for protecting display panel |
CN204020146U (en) * | 2014-07-23 | 2014-12-17 | 苏州斯迪克新材料科技股份有限公司 | A kind of TPU explosive-proof protector film |
CN204488154U (en) * | 2014-12-18 | 2015-07-22 | 东莞市纳利光学材料有限公司 | One has cambered surface coated guarantor's type shock resistance diaphragm |
JP3215796U (en) * | 2017-02-14 | 2018-04-12 | 東莞捷爾信實業有限公司 | Tempered glass film for curved screen mobile phones, all intimately bonded with adhesive |
CN108116020A (en) * | 2018-02-05 | 2018-06-05 | 东莞市亮雅塑料制品有限公司 | 3D Curved screen TPU protective films and preparation method thereof |
CN108943979A (en) * | 2018-09-13 | 2018-12-07 | 东莞市赛越新材料科技有限公司 | Unlocked by fingerprint mobile phone protects photocuring film production method |
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2019
- 2019-04-08 CN CN201910276153.1A patent/CN109912827A/en active Pending
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
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WO2013108957A1 (en) * | 2012-01-16 | 2013-07-25 | 주식회사 윅스켐 | Multi-layered film for protecting display panel |
CN204020146U (en) * | 2014-07-23 | 2014-12-17 | 苏州斯迪克新材料科技股份有限公司 | A kind of TPU explosive-proof protector film |
CN204488154U (en) * | 2014-12-18 | 2015-07-22 | 东莞市纳利光学材料有限公司 | One has cambered surface coated guarantor's type shock resistance diaphragm |
JP3215796U (en) * | 2017-02-14 | 2018-04-12 | 東莞捷爾信實業有限公司 | Tempered glass film for curved screen mobile phones, all intimately bonded with adhesive |
CN108116020A (en) * | 2018-02-05 | 2018-06-05 | 东莞市亮雅塑料制品有限公司 | 3D Curved screen TPU protective films and preparation method thereof |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
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CN110264883A (en) * | 2019-06-28 | 2019-09-20 | 云谷(固安)科技有限公司 | A kind of curved face display panel laminating apparatus |
CN110264883B (en) * | 2019-06-28 | 2021-04-23 | 云谷(固安)科技有限公司 | Curved surface display panel laminating device |
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Application publication date: 20190621 |