CN204488154U - One has cambered surface coated guarantor's type shock resistance diaphragm - Google Patents
One has cambered surface coated guarantor's type shock resistance diaphragm Download PDFInfo
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- CN204488154U CN204488154U CN201420818816.0U CN201420818816U CN204488154U CN 204488154 U CN204488154 U CN 204488154U CN 201420818816 U CN201420818816 U CN 201420818816U CN 204488154 U CN204488154 U CN 204488154U
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Abstract
The utility model discloses one and there is cambered surface coated guarantor's type shock resistance diaphragm, possess the coated guarantor's type of cambered surface and elasticity shock sucking function, can anti-severe impact function.The utility model includes from top to down: cuticular layer, use layer and peel ply, use on layer and be provided with cuticular layer, what use layer has peel ply, uses layer to comprise from top to down: UV coating, the superiors' transparent membrane, upper strata adhesive coating, the soft transparent membrane of ground floor, the first adhesive coating, the soft transparent membrane of the second layer, the second adhesive coating, the soft transparent membrane of the bottom.The utility model firmly can be pasted on screen and not easily resilience, have good cambered surface laminating guarantor type ability, thus it is coated to realize cambered surface edge.
Description
Technical field
The utility model relates to the display screen diaphragms such as a kind of portable mobile termianl, specifically, is have bending guarantor's type in particular to a kind of for globoidal glass edge display screen, and the multilayer elastic laminated film of shock resistance function.
Background technology
Touch-screen is seen everywhere in daily life, and touch screen protective film also more and more appears at around us.Along with popularizing fast of the intelligent mobile terminal such as smart mobile phone, panel computer, on market, all kinds of mobile phone, panel computer configure multifarious, and the wherein issue of iPhone6, the mobile phone allowing cambered surface shield causes the extensive concern of people.Cambered surface screen specifically refers to that cambered surface screen glass edge adopts cambered surface, and screen is still pure-surface.For such cambered surface edge glass; traditional non-full version screen protecting film; circular arc corner cannot be processed; can only be a little bit smaller toward inside contracting subsides; so just cause between the edge of diaphragm and fuselage and there is an intersegmental gap, unsightly and impact uses feel, though and adopt the total incapsulation of dead-soft material can be coated; but mobile phone can only be protected not to be scratched, and this film itself easily grind flower, easily breakage, film process is loaded down with trivial details.Above two class diaphragm products, all cannot have both the damage under severe conditions of protection screen simultaneously and keep that mobile phone is attractive in appearance carries out the coated function of cambered surface.Therefore, market is needed one badly and can be applicable to cambered surface screen, possess the coated guarantor's type of cambered surface and elasticity shock sucking function, the screen multilayer elastic laminated film element of the anti-severe impact of energy.
Utility model content
The purpose of this utility model is the deficiency in order to overcome existing diaphragm; one is provided to have cambered surface coated guarantor's type shock resistance diaphragm and preparation method thereof; possess the coated guarantor's type of cambered surface and elasticity shock sucking function; the multilayer elastic laminated film element of the anti-severe impact function of energy; better to fit cambered surface screen, the probability that effective portable mobile terminal display screen assembly is impaired.
For achieving the above object, the utility model adopts following scheme:
One has cambered surface coated guarantor's type shock resistance diaphragm, include from top to down: cuticular layer, use layer and peel ply, use on layer and be provided with cuticular layer, what use layer has peel ply, uses layer to comprise from top to down: UV coating, the superiors' transparent membrane, upper strata adhesive coating, the soft transparent membrane of middle some layers and the adhesive coating, the soft transparent membrane of the bottom that are placed in below every layer of soft transparent membrane; Cuticular layer comprises from top to down: protective layer basement membrane, protective layer glue-line; Introduce protective layer glue-line on UV coating, on protective layer glue-line, be provided with protective layer basement membrane; Bottom adhesive coating is introduced between the soft transparent membrane of the bottom and peel ply.
It is " high, middle low up and down that adhesive coating adhesion strength entirety presents; Than lower height on centre " feature; Different adhesive coating selects different glue and coating processes parameter according to the otherness of each layer adhesion strength, the main basis of determination of adhesion strength: 1. use layer composite membrane to produce tensile stress and the distribution of the compressive stress of whole interior after the deformation of the cambered surface elasticity of flexure, 2. the Young's modulus of different single thin film base material is different, deformation varies in size, and causes the otherness of single layer of substrate material internal stress distribution.Wherein, from top to down, upper strata adhesive coating adhesion strength requires as 0.2kg/25mm ~ 1.5kg/25mm, middle some layers of adhesive coating adhesion strength require as 0.05kg/25mm ~ 0.2kg/25mm, and be placed in that to compare the adhesion strength of lower floor compared with upper strata high, the adhesion strength difference 0.03kg/25mm of middle adjacent two adhesive coatings, bottom adhesive coating layer adhesion strength requires as 0.18kg/25mm ~ 1.4kg/25mm.
Wherein in some embodiments, the thickness of described upper strata adhesive coating, middle some layers of adhesive coating, bottom adhesive coating is 10 ~ 100 μm; The optional silica gel of adhesive coating material, acrylic glue, OCA optical cement, PU glue, pressure sensitive adhesive; Middle some layers of adhesive coating comprise: the first adhesive coating, the second adhesive coating;
Upper strata adhesive coating adhesion strength is 0.2kg/25mm ~ 1.5kg/25mm, first adhesive coating adhesion strength is 0.08kg/25mm ~ 0.2kg/25mm, second adhesive coating adhesion strength is 0.05kg/25mm ~ 0.18kg/25mm, and bottom adhesive coating adhesion strength is 0.18kg/25mm ~ 1.4kg/25mm.
Wherein in some embodiments, described the superiors transparent membrane thickness is 18 ~ 88 μm, the superiors' transparent membrane thin-film material is PET (PET), low density polyethylene (LDPE) (LDPE), polypropylene film (PP), polyvinyl chloride film (PVC), Merlon (PC) etc., wherein with PETG (PET) for preferred material; Can also introduce the soft transparent membrane of third layer, the 3rd adhesive coating between second adhesive coating and the soft transparent membrane of the bottom, reach 4 layers of soft transparent membrane structure, the 3rd adhesive coating adhesion strength is 0.02kg/25mm ~ 0.18kg/25mm.Middle some layers of adhesive coating adopt PU glue.
Wherein in some embodiments, these 3 layers of soft transparent membranes of the soft transparent membrane of the some layers in described centre, the soft transparent membrane of the bottom are characterised in that single-layer flexible transparent membrane thickness is 30 ~ 300 μm, material optional heat plastic polyurethane (TPU), thermoplastic polyester elastomer (TPEE), styrene analog thermoplastic elastomer (phenylethylene TPES) etc., be wherein first-selected with thermoplastic polyurethane (TPU), hardness is 20 ~ 86HA preferably; The soft transparent membrane of middle some layers comprises: the soft transparent membrane of ground floor, the soft transparent membrane of the second layer;
The superiors' transparent membrane is optical-grade transparent film, and light transmittance is greater than 95%, and mist degree is lower than 3%; The soft transparent membrane of described ground floor, the soft transparent membrane of the second layer, the soft transparent membrane light transmittance of the bottom are greater than 85%, and mist degree is lower than 10%.
Wherein in some embodiments, described UV coating layer thickness is 2 ~ 30 μm, and UV coating material is epoxy acrylate coating; Described peel ply selects transparent membrane, and its light transmittance is greater than 92%, mist degree lower than 5%, peel ply thickness 25 ~ 100 μm; Preferably, the thickness of peel ply is 30 μm; Peel ply membrane material is PET (PET), low density polyethylene (LDPE) (LDPE), polypropylene film (PP), polyvinyl chloride film (PVC), Merlon (PC) etc., wherein with PETG (PET) for preferred material.
Wherein in some embodiments, protective layer basement membrane thickness 25 ~ 100 μm, its light transmittance is greater than 92%, mist degree lower than 5%, preferably 30 μm; Protective layer basal lamina material is PETG (PET), Merlon (PC), polypropylene film (PP), polyvinyl chloride film (PVC) etc., is wherein preferred material with PET; Basement membrane protective layer bondline thickness 5 ~ 30 μm, preferably 8 μm.
Wherein in some embodiments, described the superiors transparent membrane thickness is 23 μm, and the soft transparent membrane thickness of ground floor is 68 μm, and the soft transparent membrane thickness of the second layer is 30 μm, the soft transparent membrane thickness of the bottom is 88 μm, and the hardness of the TPU membrane adopted is 40 ± 5HA.Middle some layers of adhesive coating adopt PU glue.
Wherein in some embodiments, described upper strata adhesive coating (being arranged between the superiors' transparent membrane and the soft transparent membrane of ground floor) adopts material to be high viscosity acrylic glue, and its thickness is 50 μm; The first adhesive coating be arranged between the soft transparent membrane of ground floor and the soft transparent membrane of the second layer adopts material to be PU glue, and its thickness is 30 μm; The second adhesive coating be arranged between the soft transparent membrane of the second layer and the soft transparent membrane of the bottom adopts material to be PU glue, and its thickness is 20 μm; The bottom adhesive coating being arranged at the bottom soft transparent membrane lower surface adopts material to be special high viscosity silica gel, and its thickness is 20 μm; Be arranged at the UV coating of the superiors' transparent membrane upper surface, thickness is 2 ~ 30 μm, preferably 5 μm.
The beneficial effects of the utility model are:
The composite film of the transparent film substrate composition 1, using layer to adopt soft or hard different is " high, middle low up and down by intermembranous adhesion strength; Than lower height on centre " particular adhesive coating; effectively overcome otherness stress distribution between composite membrane integrally bending elastic force and each base material; firmly can be pasted on screen and not easily resilience, there is good cambered surface laminating guarantor type ability, thus it be coated to realize cambered surface edge.
2, soft transparent membrane is 1 ~ 4 layer, makes it possess good elasticity shock sucking function, and the anti-severe impact of energy, 250 grams of test ball/100 cm height shock-testings, can not break by available protecting mobile phone watch surface glass in instantaneous impact.
3, the light transmission had, light transmittance reaches more than 80%.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model embodiment;
Fig. 2 is the stress envelope of the utility model embodiment.
Shown in accompanying drawing 2, in figure, E1 is the superiors' transparent membrane stress envelopes, and E2 is the soft transparent membrane stress envelope of ground floor, and E3 is integrated stress distribution map after compound.Stress envelope is by Hooke's law σ=Ε ε data representation.
Description of reference numerals:
Protective layer basement membrane 110; protective layer glue-line 120, UV coating 210, the superiors' transparent membrane 220; upper strata adhesive coating 230; ground floor soft transparent membrane 240, first adhesive coating 250, the soft transparent membrane 260 of the second layer; second adhesive coating 270; the soft transparent membrane 280 of the bottom, bottom adhesive coating 290, peel ply 300.
Detailed description of the invention
For feature of the present utility model, technological means and the specific purposes reached, function can be understood further, resolve advantage of the present utility model and spirit, by being further elaborated the utility model by the following examples.
There is the multilayer elastic laminated film element of bending guarantor's type and shock resistance function, comprise from top to down: cuticular layer, use layer and peel ply 300, use on layer and be provided with cuticular layer, what use layer has peel ply 300, uses layer to comprise from top to down: UV coating 210, the superiors' transparent membrane 220, upper strata adhesive coating 230, the soft transparent membrane of ground floor 240, first adhesive coating 250, the soft transparent membrane of the second layer 260, second adhesive coating 270, the soft transparent membrane 280 of the bottom.Cuticular layer comprises from top to down: introduce protective layer glue-line 120 on protective layer basement membrane 110, protective layer glue-line 120, UV coating 210, be provided with protective layer basement membrane 110 on protective layer glue-line 120; Bottom adhesive coating 290 is introduced between the soft transparent membrane 280 of the bottom and peel ply 300.
In certain embodiments, be arranged between every two-layer transparent membrane and the adhesive coating thickness of the bottom soft transparent membrane 280 lower surface is 10 ~ 100 μm.The optional silica gel of adhesive coating material, acrylic glue, OCA optical cement, PU glue, pressure sensitive adhesive.
In certain embodiments, it is " high, middle low up and down that above-mentioned adhesive coating adhesion strength entirety presents; Than lower height on centre " feature; Different adhesive coating selects different glue and coating processes parameter according to the otherness of each layer adhesion strength, the main basis of determination of adhesion strength: 1. use layer composite membrane to produce tensile stress and the distribution of the compressive stress of whole interior after the deformation of the cambered surface elasticity of flexure, 2. the Young's modulus of different single thin film base material is different, deformation varies in size, and causes the otherness of single layer of substrate material internal stress distribution.Wherein, from top to down, upper strata adhesive coating 230 adhesion strength requires as 0.2kg/25mm ~ 1.5kg/25mm, first adhesive coating 250 adhesion strength requires as 0.08kg/25mm ~ 0.2kg/25mm, second adhesive coating 270 adhesion strength requires that, for 0.05kg/25mm ~ 0.18kg/25mm, bottom adhesive coating 290 adhesion strength requires as 0.18kg/25mm ~ 1.4kg/25mm.
The superiors' transparent membrane 220 transparent membrane thickness is 18 ~ 88 μm, this layer membrane materials is PET (PET), low density polyethylene (LDPE) (LDPE), polypropylene film (PP), polyvinyl chloride film (PVC), Merlon (PC) etc., wherein with PETG (PET) for preferred material.2 ~ 4 layers of soft transparent membrane are characterised in that single-layer flexible transparent membrane thickness is 30 ~ 300 μm, material optional heat plastic polyurethane (TPU), thermoplastic polyester elastomer (TPEE), styrene analog thermoplastic elastomer (phenylethylene TPES) etc., be wherein first-selected with thermoplastic polyurethane (TPU), hardness is 20 ~ 86HA preferably.
UV coating 210 thickness of the superiors' transparent membrane 220 transparent membrane upper surface is 2 ~ 30 μm.
In certain embodiments, the superiors' transparent membrane 220 adopts PET film, and the soft transparent membrane 240 of ground floor adopts TPU membrane, and the soft transparent membrane 260 of the second layer adopts TPU membrane, and the soft transparent membrane 280 of the bottom adopts TPU membrane.Structure can also adopt the diaphragm of the superiors' transparent membrane 220 (as PET)+beneath 1 to 4 layer of soft transparent membrane (as TPU), and improving technique is according to concrete stress determination adhesive coating adhesion strength, mainly present " it is high, middle low up and down; Than lower height on centre " feature.
In certain embodiments, use layer comprises: the transparent membrane of the superiors' transparent membrane 220, the soft transparent membrane of ground floor 240, the soft transparent membrane of the second layer 260, the soft transparent membrane 280 of the bottom, in these 2 ~ 4 layers of soft transparent membranes, be arranged between every two-layer soft transparent membrane and the bottom soft transparent membrane 280 lower surface is provided with adhesive coating, the superiors' transparent membrane 220 transparent membrane upper surface is provided with UV coating 210.
In certain embodiments, the above-mentioned multilayer elastic laminated film element with bending guarantor's type and shock resistance function, peel ply 300 thickness 25 ~ 100 μm, peel ply 300 membrane material is PET (PET), low density polyethylene (LDPE) (LDPE), polypropylene film (PP), polyvinyl chloride film (PVC), Merlon (PC) etc., wherein with PETG (PET) for preferred material.
Protective layer comprises protective layer basement membrane 110 and protective layer glue-line 120.Protective layer basement membrane 110 thickness 25 ~ 100 μm; protective layer basement membrane 110 material is PETG (PET), Merlon (PC), polypropylene film (PP), polyvinyl chloride film (PVC) etc., is wherein preferred material with PET.Basement membrane protective layer glue-line 120 thickness 5 ~ 30 μm.
In certain embodiments, the utility model adopts coating process such as line rod coating, nick roller coat cloth, recessed roller coat cloth and spraying coating process etc., evenly applies UV coating 210 at the superiors' transparent membrane 220 transparent membrane upper surface.Wherein first-selected nick roll coating process.UV coating 210 is through drying box, UV light irradiation Post RDBMS, and the UV coating 210 after solidification has certain anti-scratch, effect of rub resistance.Different according to the thickness after film forming, film case hardness can reach 2H ~ 6H.By the another side of the superiors' transparent membrane 220 transparent membrane of coating UV coating 210 coating upper strata adhesive coating 230, wherein coating process is: scraper for coating, and slit type is coated with, recessed roller coat cloth, convex roller coat cloth etc.
After the solidification of upper strata adhesive coating 230 drying, be covered with the soft transparent membrane 240 of one deck ground floor at its another side.Then glue used and coating thickness is changed, the first adhesive coating 250 is coated with at the another side of the soft transparent membrane 240 of this ground floor, after drying solidification, the soft transparent membrane of the second layer 260 (another layer of soft transparent membrane) is enclosed again at the first adhesive coating 250 another side, by that analogy, until the transparent membrane enclosed reaches the transparent membrane number of plies used needed for layer.By the combination of technique above, thus use layer reaches the multilayer elastic laminated film element with bending guarantor's type and shock resistance function.
Shown in accompanying drawing 2, in figure, E1 is the superiors' transparent membrane 220 stress envelope, and E2 is ground floor soft transparent membrane 240 stress envelope, and E3 is integrated stress distribution map after compound.Stress distribution is as Hooke's law σ=Ε ε data representation.Hooke's law: when stress is lower than proportional limit, the stress σ in solid is directly proportional to strain stress, i.e. σ=Ε ε, and in formula, E is constant (Young's modulus).Shown in accompanying drawing 2, this product outer layer surface (the superiors, orlop) stress is maximum, and diagram line of tension is the longest; Product intermediate layer (in the middle part of section) stress is minimum, and diagram line of tension is the shortest.
As shown in Figure 1, the one that the present embodiment provides has cambered surface coated guarantor's type shock resistance diaphragm element, comprising: use layer, protective layer and peel ply 300.
Use layer comprises: the superiors' transparent membrane 220, and its thickness is 23 μm; The soft transparent membrane 240 of ground floor, its thickness is 68 μm; The soft transparent membrane 260 of the second layer, its thickness is 30 μm; The soft transparent membrane 280 of the bottom, its thickness is 88 μm; The hardness of the TPU membrane adopted is 40 ± 5HA.
Be arranged at the upper strata adhesive coating 230 between the superiors' transparent membrane 220 and the soft transparent membrane 240 of ground floor, its adhesion strength is maximum, and adopt material to be high viscosity acrylic glue, its thickness is 50 μm; Be arranged at the first adhesive coating 250 between the soft transparent membrane of ground floor 240 and the soft transparent membrane 260 of the second layer, need higher adhesion strength, adopt material to be PU glue, its thickness is 30 μm; Be arranged at the second adhesive coating 270 between the soft transparent membrane of the second layer 260 and the soft transparent membrane 280 of the bottom, need certain adhesion strength, adopt material to be PU glue, its thickness is 20 μm; Be arranged at the bottom adhesive coating 290 of the bottom soft transparent membrane 280 lower surface, adhesion strength requires higher, and adopt material to be special high viscosity silica gel, its thickness is 20 μm; Be arranged at the UV coating 210 of the superiors' transparent membrane 220 upper surface, thickness is 2 ~ 30 μm, preferably 5 μm.
Protective layer comprises protective layer basement membrane 110 and protective layer glue-line 120.
The PET film 220 using layer to adopt is optical-grade transparent PET film, and light transmittance is greater than 95%, and mist degree is lower than 3%.The TPU membrane adopted is TPU film, and light transmittance is greater than 85%, and mist degree is lower than 10%.
Peel ply 300 selects clear PET film, and its light transmittance is greater than 92%, mist degree lower than 5%, this peel ply thickness 25 ~ 100 μm.Preferably, the thickness of peel ply 300 is 30 μm.
Protective layer basement membrane 110 selects clear PET film, and its light transmittance is greater than 92%, mist degree lower than 5%, this basement membrane thickness 25 ~ 100 μm, preferably 30 μm; Protective layer glue-line 120 thickness is 5 ~ 30 μm, preferably 8 μm.
In one embodiment, preparation method is as follows:
(1), adopt coating process such as line rod coating, nick roller coat cloth, recessed roller coat cloth and spraying coating process etc., evenly apply UV coating 210 at the superiors' transparent membrane 220 upper surface, wherein first-selected nick roll coating process; UV coating 210 is through drying box, through UV light irradiation Post RDBMS, and the UV coating 210 after solidification has certain anti-scratch, effect of rub resistance; Different according to the thickness after film forming, UV coating 210 film case hardness reaches 2H ~ 6H;
(2), by the another side of the superiors' transparent membrane 220 of coating UV coating 210 coating upper strata adhesive coating 230, wherein coating process is: scraper for coating, and slit type is coated with, recessed roller coat cloth, convex roller coat cloth;
(3), upper strata adhesive coating 230 drying solidification after, be covered with the soft transparent membrane 240 of ground floor at its another side; Then change glue used and coating thickness, be coated with the first adhesive coating 250 at the another side of the soft transparent membrane film 240 of ground floor, after drying solidification; The soft transparent membrane of the second layer 260 (another layer of soft transparent membrane) is enclosed again at the another side of the first adhesive coating 250, then be coated with the second adhesive coating 270 at the another side of the soft transparent membrane 260 of the second layer, under enclose the soft transparent membrane 280 of the bottom; By that analogy, until the soft transparent membrane enclosed reaches the transparent membrane number of plies used needed for layer;
Wherein in some embodiments, operation as after, again change glue used and coating thickness, be coated with the second adhesive coating 270 at the another side of the soft transparent membrane 260 of the second layer, after drying solidification, enclose the soft transparent membrane 280 of the bottom again at the another side of the second adhesive coating 270;
(4), finally, at the bottom soft transparent membrane 280 another side barrier coating adhesive coating 290, then peel ply 300 of fitting; At UV coating 210 coated thereon protective layer glue-line 120, protective layer basement membrane 110 of fitting on protective layer glue-line 120.
By the combination of technique above, thus use layer reaches the multilayer elastic laminated film element with bending guarantor's type and shock resistance function with bending guarantor's type and shock resistance function.
Adopt the diaphragm after above base material and technique preparation to use layer, test data is as follows:
The above embodiment only have expressed some embodiments of the present utility model, and it describes comparatively concrete and detailed, but therefore can not be interpreted as the restriction to the utility model scope.It should be pointed out that for the person of ordinary skill of the art, without departing from the concept of the premise utility, can also make some distortion and improvement, these all belong to protection domain of the present utility model.Therefore, protection domain of the present utility model should be as the criterion with claims.
Claims (8)
1. one kind has cambered surface coated guarantor's type shock resistance diaphragm, include from top to down: cuticular layer, use layer and peel ply (300), cuticular layer is provided with on described use layer, described use layer have peel ply (300), it is characterized in that, described use layer comprises from top to down: UV coating (210), the superiors' transparent membrane (220), upper strata adhesive coating (230), the soft transparent membrane of middle some layers and the adhesive coating, the soft transparent membrane of the bottom (280) that are placed in below every layer of soft transparent membrane; Described cuticular layer comprises from top to down: protective layer basement membrane (110), protective layer glue-line (120); Introduce protective layer glue-line (120) on described UV coating (210), on described protective layer glue-line (120), be provided with protective layer basement membrane (110); Bottom adhesive coating (290) is introduced between the soft transparent membrane of the described bottom (280) and peel ply (300).
2. one according to claim 1 has cambered surface coated guarantor's type shock resistance diaphragm, it is characterized in that, the thickness of described upper strata adhesive coating (230), middle some layers of adhesive coating, bottom adhesive coating (290) is 10 ~ 100 μm; Some layers, described centre adhesive coating comprises: the first adhesive coating (250), the second adhesive coating (270).
3. one according to claim 1 has cambered surface coated guarantor's type shock resistance diaphragm, it is characterized in that, described the superiors transparent membrane (220) thickness is 18 ~ 88 μm.
4. one according to claim 1 has cambered surface coated guarantor's type shock resistance diaphragm, it is characterized in that, the single-layer flexible transparent membrane thickness that the soft transparent membrane of the some layers in described centre, the soft transparent membrane of the bottom (280) adopt is 30 ~ 300 μm;
The described centre soft transparent membrane of some layers comprises: the soft transparent membrane of ground floor (240), the soft transparent membrane of the second layer (260).
5. one according to claim 1 has cambered surface coated guarantor's type shock resistance diaphragm, it is characterized in that, described UV coating (210) thickness is 2 ~ 30 μm, described peel ply (300) thickness 25 ~ 100 μm.
6. one according to claim 1 has cambered surface coated guarantor's type shock resistance diaphragm, it is characterized in that, described protective layer basement membrane (110) thickness 25 ~ 100 μm, described protective layer glue-line (120) thickness 5 ~ 30 μm.
7. one according to claim 4 has cambered surface coated guarantor's type shock resistance diaphragm; it is characterized in that; described the superiors transparent membrane (220) thickness is 23 μm; the soft transparent membrane of described ground floor (240) thickness is 68 μm; the soft transparent membrane of the described second layer (260) thickness is 30 μm, and the soft transparent membrane of the described bottom (280) thickness is 88 μm.
8. one according to claim 2 has cambered surface coated guarantor's type shock resistance diaphragm, it is characterized in that, described upper strata adhesive coating (230) its thickness is 50 μm; Described first adhesive coating (250) thickness is 30 μm; Described second adhesive coating (270) thickness is 20 μm; Described bottom adhesive coating (290) thickness is 20 μm; Described UV coating (210) thickness is 2 ~ 30 μm.
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| CN201420818816.0U CN204488154U (en) | 2014-12-18 | 2014-12-18 | One has cambered surface coated guarantor's type shock resistance diaphragm |
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| CN201420818816.0U CN204488154U (en) | 2014-12-18 | 2014-12-18 | One has cambered surface coated guarantor's type shock resistance diaphragm |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106564262A (en) * | 2016-10-27 | 2017-04-19 | 广东星弛光电科技有限公司 | Anti-reflection and anti-explosion protective film of mobile phone glass view-window protective screen and preparation method of anti-reflection and anti-explosion protective film |
| CN107936860A (en) * | 2017-10-23 | 2018-04-20 | 东莞市纳利光学材料有限公司 | A kind of flexible full bag mantle and preparation method thereof |
| CN109912827A (en) * | 2019-04-08 | 2019-06-21 | 东莞市赛越新材料科技有限公司 | Unlocked by fingerprint 3D screen protecting film and forming method under screen with high ductibility |
-
2014
- 2014-12-18 CN CN201420818816.0U patent/CN204488154U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106564262A (en) * | 2016-10-27 | 2017-04-19 | 广东星弛光电科技有限公司 | Anti-reflection and anti-explosion protective film of mobile phone glass view-window protective screen and preparation method of anti-reflection and anti-explosion protective film |
| CN107936860A (en) * | 2017-10-23 | 2018-04-20 | 东莞市纳利光学材料有限公司 | A kind of flexible full bag mantle and preparation method thereof |
| CN107936860B (en) * | 2017-10-23 | 2020-09-01 | 东莞市纳利光学材料有限公司 | Flexible full-wrapping soft film and preparation method thereof |
| CN109912827A (en) * | 2019-04-08 | 2019-06-21 | 东莞市赛越新材料科技有限公司 | Unlocked by fingerprint 3D screen protecting film and forming method under screen with high ductibility |
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