CN203901844U - Screen guard film - Google Patents
Screen guard film Download PDFInfo
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- CN203901844U CN203901844U CN201420208523.0U CN201420208523U CN203901844U CN 203901844 U CN203901844 U CN 203901844U CN 201420208523 U CN201420208523 U CN 201420208523U CN 203901844 U CN203901844 U CN 203901844U
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- layer
- line
- protecting film
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- peel ply
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Abstract
A screen guard film comprises a blue-ray resistant adhesive layer, a main film layer and an anti-dazzle layer which are sequentially laminated, wherein the anti-dazzle layer is formed through curing a mixture of inorganic nano-particles and a solvent-type coating of which the mass ratio is (1-20):100. As the anti-dazzle layer formed through curing the mixture of inorganic nano-particles and the solvent-type coating is arranged on the surface of the main film layer, and the inorganic nano-particles are doped in the solvent-type coating, the surface of the anti-dazzle layer takes a certain concave-convex effect, accordingly, scattered ray on the surface of the anti-dazzle layer is increased to reduce the glossiness, and images of a display screen fade to achieve an anti-dazzle effect, improve the visual comfort degree and reduce eye injuries caused by the display screen.
Description
Technical field
The utility model relates to display device field, particularly relates to a kind of screen protecting film.
Background technology
More and more extensive along with the technology application of capacitance plate, display screen is more and more common at people's sphere of life, and in life, people have be unable to do without display screen.The time of facing display screen as people is more of a specified duration, and some defects and the side effect of display screen self are also more and more obvious.Because liquid crystal display is a kind of display that can not automatic luminous, this display outside light is mirrored in the situation of its display surface, and visuognosis can significantly be damaged, and under high-brightness light, operates, and image is more difficult for identification.Watch for a long time this type of screen can cause very large injury to people's eyes, easily make people produce tired out, therefore, along with people constantly promote the requirement of quality of the life, people are also more and more higher to the requirement of people's visual effect to display screen.In order to protect display screen, conventionally screen protecting film is affixed on to display surface, thereby improves the anti-ability of supporting external force injury of display screen.
Yet traditional screen protecting film is mainly the screen protecting film of the anti scuffing performance of function singleness, therefore traditional screen protecting film can not prevent the injury of display screen to eyes.
Utility model content
Based on this, be necessary to provide a kind of and can reduce the screen protecting film of display screen to eye injury.
A screen protecting film, comprises the anti-blue light glue-line stacking gradually, main rete and antiglare layer that the mixture solidified of the inorganic nanoparticles that is 1～20:100 by mass ratio and solvent based coating forms.
In an embodiment, the thickness of described antiglare layer is 2 μ m～10 μ m therein.
In an embodiment, the thickness of described main rete is 50 μ m～200 μ m therein.
In an embodiment, the thickness of described anti-blue light glue-line is 10 μ m～50 μ m therein.
In an embodiment, described screen protecting film also comprises peel ply, diaphragm glue-line and cuticular layer therein;
Described peel ply is layered on described anti-blue light glue-line, and described diaphragm glue-line is layered in described antiglare layer, and described cuticular layer is layered on described diaphragm glue-line.
In an embodiment, the thickness of described peel ply is 25 μ m～75 μ m therein.
In an embodiment, the thickness of described diaphragm glue-line is 3 μ m～20 μ m therein.
In an embodiment, the thickness of described cuticular layer is 25 μ m～75 μ m therein.
Above-mentioned screen protecting film; the antiglare layer that the inorganic nanoparticles that is 1～20:100 by mass ratio by the surface setting at main rete and the mixture solidified of solvent based coating form; by the inorganic nanoparticles that adulterates in solvent based coating; make the surface of antiglare layer there is certain concave-convex effect, thereby the light that antiglare layer surface is scattered increases, cause glossiness to reduce; thereby make the image of display screen thin out; thereby reach antiglare effect, improve euphorosia degree, reduce display screen to eye injury.
Accompanying drawing explanation
Fig. 1 is the structural representation of the screen protecting film of an embodiment;
Fig. 2 is the preparation method's of the screen protecting film shown in Fig. 1 flow chart.
The specific embodiment
For above-mentioned purpose of the present utility model, feature and advantage can be become apparent more, below in conjunction with accompanying drawing, the specific embodiment of the present utility model is described in detail.A lot of details have been set forth in the following description so that fully understand the utility model.But the utility model can be implemented to be much different from alternate manner described here, and those skilled in the art can do similar improvement without prejudice to the utility model intension in the situation that, so the utility model is not subject to the restriction of following public concrete enforcement.
Please refer to Fig. 1, the screen protecting film 100 of an embodiment, comprises the cuticular layer 110, diaphragm glue-line 120, antiglare layer 130, main rete 140, anti-blue light glue-line 150 and the peel ply 160 that stack gradually.
The thickness of cuticular layer 110 can be 25 μ m～75 μ m.The material of cuticular layer 110 can be polyphenyl dioctyl phthalate glycol ester or polyethylene.What be appreciated that cuticular layer 110 can be also other materials.
Cuticular layer 110 is for not restriction of color, and cuticular layer 110 can be transparent, can be also the different colours such as yellow, green, blueness, black.The light transmittance of cuticular layer 110 reaches more than 80%.The mist degree of cuticular layer 110 is less than 5%.The even thickness of cuticular layer 110.
Cuticular layer 110 and antiglare layer 130 are pasted by diaphragm glue-line 120.Cuticular layer 110 for the protection of antiglare layer 130 in process of production with die-cut process in not by scratch.
The thickness of diaphragm glue-line 120 can be 3 μ m～20 μ m.Diaphragm glue-line 120 can be by dry rear formation of sticker.Sticker can be solvent-type acrylic, water soluble acrylic acid or add-on type liquid silica gel.Be appreciated that sticker can be also other materials.
Antiglare layer 130 is formed by the mixture solidified of inorganic nanoparticles and solvent based coating.The mass ratio of inorganic nanoparticles and solvent based coating is 1～20:100.Inorganic nanoparticles can be nano silicon or nano aluminium oxide.Be appreciated that inorganic nanoparticles can be also other materials.The particle diameter of inorganic nanoparticles can be 10nm～150nm.Solvent based coating can be urethane acrylate, epoxy acrylate or polyester acrylate.Be appreciated that solvent based coating can be also other materials.The thickness of antiglare layer 130 can be 2 μ m～10 μ m.
More than the case hardness of antiglare layer 130 reaches 2H.
The thickness of main rete 140 can be 50 μ m～200 μ m.The material of main rete 140 can be polyphenyl dioctyl phthalate glycol ester (polyethylene terephthalate, PET) or Triafol T (Triacetyl Cellulose, TAC) etc.
The light transmittance of main rete 140 reaches more than 80%.The mist degree of main rete 140 is less than 5%, the even thickness of main rete 140.
The thickness of anti-blue light glue-line 150 can be 10 μ m～50 μ m.The material of anti-blue light glue-line 150 forms after can being dried by the mixture of fluorescent material and sticker.Fluorescent material can be Cu
2+the Ba of doping
7si
2o
7br
8, Zn
2+the Ba of doping
7si
2o
7br
8or Ca
2+the Ba of doping
7si
2o
7br
8deng.Sticker can be solvent-type acrylic, water soluble acrylic acid or add-on type liquid silica gel etc.In the mixture of fluorescent material and sticker, the mass percent of fluorescent material is 2%～20%.
The thickness of peel ply 160 can be 25 μ m～75 μ m.The material of peel ply 160 can be polyphenyl dioctyl phthalate glycol ester or polyethylene (polyethylene, PE).The material that is appreciated that peel ply 160 can be also other materials.
Peel ply 160 is for not restriction of color, and peel ply 160 can be transparent, can be also the different colours such as yellow, green, blueness, black.The light transmittance of peel ply 160 reaches more than 80%.The mist degree of peel ply 160 is less than 5%.The even thickness of peel ply 160.
Peel ply 160 does not adhere to dust for preventing anti-blue light glue-line 150 in process, and foreign particles guarantees product quality.
When above-mentioned screen protecting film 100 is used, first peel ply 160 is torn off, then will resist blue light glue-line 150 to be directly attached on display screen, then tear cuticular layer 110 off.
Be appreciated that in other embodiments, good when production environment, during antiglare layer 130 that production equipment can scratch not be produced, and the screen protecting film 100 of producing is directly used in while pasting on display screen, and peel ply 160 can omit.Diaphragm glue-line 120 and cuticular layer 110 also can omit.
Above-mentioned screen protecting film 100; by two surfaces at main rete 140, antiglare layer 130 and anti-blue light glue-line 150 are set respectively; antiglare layer 130 is formed by the mixture solidified of inorganic nanoparticles and solvent based coating; by the inorganic nanoparticles that adulterates in solvent based coating; make the surface of antiglare layer 130 there is certain concave-convex effect; thereby the light that antiglare layer 130 surfaces are scattered increases; cause glossiness to reduce; thereby make the image of display screen thin out; thereby reach antiglare effect; improve euphorosia degree, reduce display screen to eye injury.Anti-blue light glue-line 150 can absorb blue light conversion, makes the blue light that display screen sends can not see through screen protecting film 100, can greatly alleviate the stimulation of blue light to eyes, also can not make the light transmittance of screen protecting film 100 reduce too large simultaneously.Therefore, above-mentioned screen protecting film 100 can reduce display screen to eye injury.
Above-mentioned screen protecting film 100 also has certain scratch resistant performance, and its case hardness is more than 2H, guarantees that people in use can effectively protect display screen not scratched.Screen protecting film 100 has good antiglare effect, and its mist degree is below 1%～10%.The light transmittance of screen protecting film 100 is more than 85%, at the light transmittance of 380nm～450nm wave band, below 50%, can effectively filter blue light, effectively reduces the injury of blue light to human eye.
Please refer to Fig. 3, the preparation method of the screen protecting film 100 of an embodiment, comprises the steps:
S10, at surface-coated inorganic nanoparticles of main rete 140 and the mixture of solvent based coating, then dry rear with ultraviolet light polymerization at 50 ℃～100 ℃, form antiglare layer 130, wherein, inorganic nanoparticles and solvent based coating mass ratio are 1～20:100.
The light transmittance of main rete 140 reaches more than 80%.The mist degree of main rete 140 is less than 5%.The even thickness of main rete 140.
The thickness of antiglare layer 130 can be 2 μ m～10 μ m.Inorganic nanoparticles can be nano silicon or nano aluminium oxide.Be appreciated that inorganic nanoparticles can be also other materials.The particle diameter of inorganic nanoparticles can be 10nm～150nm.Solvent based coating can be urethane acrylate, epoxy acrylate or polyester acrylate.Be appreciated that solvent based coating can be also other materials.
The mixture of inorganic nanoparticles and solvent based coating is adopted preparation with the following method, inorganic nanoparticles is added in solvent based coating, first with dispersator, stir, by ultrasonic wave, disperse again, inorganic nanoparticles is evenly dispersed in solvent based coating, forms suspension mixed solution.
Being operating as of surface-coated inorganic nanoparticles of main rete 140 and the mixture of solvent based coating, the mixture of inorganic nanoparticles and solvent based coating is coated on to a surface of main rete 140 by the method for nick roller.The thickness of the wet film of coating is 10 μ m～20 μ m.
More than the case hardness of antiglare layer 130 reaches 2H.
S20, on another surface of main rete 140, form anti-blue light glue-line 150.
Another surface at main rete 140 forms being operating as of anti-blue light glue-line 150, at another surface-coated fluorescent material of main rete 140 and the mixture of sticker, then at 120 ℃～180 ℃, is dried, and forms anti-blue light glue-line 150.
The thickness of anti-blue light glue-line 150 can be 10 μ m～50 μ m.Fluorescent material can be Cu
2+the Ba of doping
7si
2o
7br
8, Zn
2+the Ba of doping
7si
2o
7br
8or Ca
2+the Ba of doping
7si
2o
7br
8deng.Sticker can be solvent-type acrylic, water soluble acrylic acid or add-on type liquid silica gel etc.The mixture of fluorescent material and sticker is prepared by the following method, and fluorescent material is joined in sticker, by homogenizer rapid stirring, fluorescent material is dispersed in sticker, obtains the mixture of fluorescent material and sticker.In the mixture of fluorescent material and sticker, the mass percent of fluorescent material is 2%～20%.
Cu
2+the Ba of doping
7si
2o
7br
8fluorescent material can adopt sol-gel legal system standby.
Anti-blue light glue-line 150 can adopt the method for scraper for coating to be coated on another surface of main rete 140.
The preparation method of above-mentioned screen protecting film 100, also comprises the steps: after S20
S30, peel ply 160 is fitted on anti-blue light glue-line 150.
The thickness of peel ply 160 can be 25 μ m～75 μ m.The material of peel ply 160 can be polyphenyl dioctyl phthalate glycol ester or polyethylene (polyethylene, PE).The material that is appreciated that peel ply 160 can be also other materials.
Peel ply 160 is for not restriction of color, and peel ply 160 can be transparent, can be also the different colours such as yellow, green, blueness, black.The light transmittance of peel ply 160 reaches more than 80%, and mist degree is less than 5%, the even thickness of peel ply 160.Peel ply 160 does not adhere to dust for preventing anti-blue light glue-line 150 in process, and foreign particles guarantees product quality.
S40, in antiglare layer 130, be coated with sticker, then 120 ℃～180 ℃ dry after, form diaphragm glue-line 120.
The thickness of diaphragm glue-line 120 can be 3 μ m～20 μ m.Sticker can be solvent-type acrylic, water soluble acrylic acid or add-on type liquid silica gel.Be appreciated that sticker can be also other materials.
Diaphragm glue-line 120 can adopt the method for scraper for coating to be coated in antiglare layer 130.
S50, cuticular layer 110 is fitted on diaphragm glue-line 120, obtains screen protecting film 100.
The thickness of cuticular layer 110 can be 25 μ m～75 μ m.The material of cuticular layer 110 can be polyphenyl dioctyl phthalate glycol ester or polyethylene.What be appreciated that cuticular layer 110 can be also other materials.
The light transmittance of cuticular layer 110 reaches more than 80%.The mist degree of cuticular layer 110 is less than 5%.The even thickness of cuticular layer 110.Cuticular layer 110 and antiglare layer 130 are pasted by diaphragm glue-line 120.Cuticular layer 110 for the protection of antiglare layer 130 in process of production with die-cut process in not by scratch.
The cuticular layer 110 stacking gradually, diaphragm glue-line 120, antiglare layer 130, main rete 140, anti-blue light glue-line 150 form screen protecting film 100 together with peel ply 160.
The preparation method of above-mentioned screen protecting film 100; by two surfaces at main rete 140, form respectively antiglare layer 130 and anti-blue light glue-line 150; then the peel ply 160 of fitting on anti-blue light glue-line 150 then forms and sticks cuticular layer 110 after diaphragm glue-line 120 and obtain screen protecting film 100 in antiglare layer 130.The preparation method of above-mentioned screen protecting film 100; first on a surface of main rete 140, prepare antiglare layer 130; after preparing antiglare layer 130, on another surface of main rete 140, prepare anti-blue light glue-line 150 again; because antiglare layer 130 has scratch resistant effect, so first prepare antiglare layer 130, can effectively reduce the scratch to main rete 140 in preparation process.The preparation method of above-mentioned screen protecting film 100, preparation technology is simple, easy to operate.
The screen protecting film 100 that the preparation method of above-mentioned screen protecting film 100 obtains, forms respectively antiglare layer 130 and anti-blue light glue-line 150 by two surfaces at main rete 140, has anti-blue light and anti-dazzle function concurrently, can reduce display screen to eye injury.In addition, the cuticular layer 110 of screen protecting film 100 for the protection of antiglare layer 130 in process of production with die-cut process in not by scratch.The peel ply 160 of screen protecting film 100 adheres to dust and foreign particles for preventing anti-blue light glue-line 150 in process, guarantees product quality.
Be appreciated that in other embodiments, good when production environment, during antiglare layer 130 that production equipment can scratch not be produced, and the screen protecting film 100 of producing is directly used in while pasting on display screen, and S30 can omit.S40 and S50 also can omit.Now, in S20, after forming anti-blue light glue-line 150, another surface of main rete 140 obtains screen protecting film 100.
Be specific embodiment part below.
Embodiment 1
At surface-coated nano silicon of main rete and the mixture of urethane acrylate, wherein, the mass ratio of nano silicon and urethane acrylate is 1:100, then 50 ℃ dry after with ultraviolet light polymerizations, form antiglare layer.The material of main rete is PET.The thickness of main rete is 50 μ m.The light transmittance of main rete is 92%, and mist degree is 1.3%.The thickness of the antiglare layer forming is 5 μ m.The particle diameter of nano silicon can be 10nm.
On another surface of main rete, adopt method coating solvent type acrylic acid and the Cu of scraper for coating
2+the Ba of doping
7si
2o
7br
8mixture, then 120 ℃ dry, form anti-blue light glue-line.Solvent-type acrylic and Cu
2+the Ba of doping
7si
2o
7br
8mixture in, Cu
2+the Ba of doping
7si
2o
7br
8mass percent be 2%.
The peel ply that is 25 μ m by thickness is fitted on anti-blue light glue-line.The material of peel ply is polyphenyl dioctyl phthalate glycol ester.Peel ply is used for preventing that anti-blue light glue-line from adhering to dust and foreign particles in process, guarantees product quality.
In antiglare layer, adopt the method coating solvent type acrylic acid of scraper for coating, then 120 ℃ dry after, form diaphragm glue-line.The thickness of the diaphragm glue-line forming is 3 μ m.
The cuticular layer that is 25 μ m by thickness is fitted on diaphragm glue-line.The material of cuticular layer is polyphenyl dioctyl phthalate glycol ester.
Cuticular layer and antiglare layer are pasted by diaphragm glue-line.Cuticular layer for the protection of antiglare layer in process of production with die-cut process in not by scratch.
The cuticular layer stacking gradually, diaphragm glue-line, antiglare layer, main rete, anti-blue light glue-line form screen protecting film together with peel ply.Tear off after peel ply, will resist blue light glue-line to be affixed on display screen, then tear cuticular layer off, test has torn case hardness, light transmittance and the mist degree of the screen protecting film of peel ply and cuticular layer off.Torn the screen protecting film of peel ply and cuticular layer off, adopted the case hardness of Mitsubishi pencil test antiglare layer, obtaining hardness is 3H.The light transmittance that has torn the screen protecting film of peel ply and cuticular layer off is 89%.The screen protecting film that has torn peel ply and cuticular layer off is 45% at the light transmittance of 380nm～450nm wave band, can effectively filter blue light, effectively reduces the injury of blue light to human eye.The mist degree that has torn the screen protecting film of peel ply and cuticular layer off is 1.8%, has good antiglare effect.
Embodiment 2
At surface-coated nano aluminium oxide of main rete and the mixture of epoxy acrylate, the mass ratio of nano aluminium oxide and epoxy acrylate is 10:100, then 80 ℃ dry after with ultraviolet light polymerizations, form antiglare layer.The material of main rete is TAC.The thickness of main rete is 100 μ m.The light transmittance of main rete is 91%, and mist degree is 2.3%.The thickness of the antiglare layer forming is 2 μ m.The particle diameter of nano aluminium oxide can be 100nm.
On another surface of main rete, adopt method coating water soluble acrylic acid and the Zn of scraper for coating
2+the Ba of doping
7si
2o
7br
8mixture, then 160 ℃ dry, form anti-blue light glue-line.Water soluble acrylic acid and Zn
2+the Ba of doping
7si
2o
7br
8mixture in, Zn
2+the Ba of doping
7si
2o
7br
8mass percent be 20%.
The peel ply that is 75 μ m by thickness is fitted on anti-blue light glue-line.The material of peel ply is polyethylene.Peel ply is used for preventing that anti-blue light glue-line from adhering to dust and foreign particles in process, guarantees product quality.
In antiglare layer, adopt the method coating water soluble acrylic acid of scraper for coating, then 180 ℃ dry after, form diaphragm glue-line.The thickness of the diaphragm glue-line forming is 20 μ m.
The cuticular layer that is 75 μ m by thickness is fitted on diaphragm glue-line.The material of cuticular layer is polyethylene.
Cuticular layer and antiglare layer are pasted by diaphragm glue-line.Cuticular layer for the protection of antiglare layer in process of production with die-cut process in not by scratch.
The cuticular layer stacking gradually, diaphragm glue-line, antiglare layer, main rete, anti-blue light glue-line form screen protecting film together with peel ply.Tear off after peel ply, will resist blue light glue-line to be affixed on display screen, then tear cuticular layer off, test has torn case hardness, light transmittance and the mist degree of the screen protecting film of peel ply and cuticular layer off.Torn the screen protecting film of peel ply and cuticular layer off, adopted the case hardness of Mitsubishi pencil test antiglare layer, obtaining hardness is 2H.The light transmittance that has torn the screen protecting film of peel ply and cuticular layer off is 88%, and the screen protecting film that has torn peel ply and cuticular layer off is 45% at the light transmittance of 380nm～450nm wave band, can effectively filter blue light, effectively reduces the injury of blue light to human eye.The mist degree that has torn the screen protecting film of peel ply and cuticular layer off is 2.4%, has good antiglare effect.
Embodiment 3
At surface-coated nano silicon of main rete and the mixture of polyester acrylate, the mass ratio of nano silicon and polyester acrylate is 20:100, then 100 ℃ dry after with ultraviolet light polymerizations, form antiglare layer.The material of main rete is PET.The thickness of main rete is 200 μ m.The light transmittance of main rete is 86%, and mist degree is 3.5%.The thickness of the antiglare layer forming is 10 μ m.The particle diameter of nano silicon can be 150nm.
On another surface of main rete, adopt method coating add-on type liquid silica gel and the Ca of scraper for coating
2+the Ba of doping
7si
2o
7br
8mixture, then 180 ℃ dry, form anti-blue light glue-line.Add-on type liquid silica gel and Ca
2+the Ba of doping
7si
2o
7br
8mixture in, Ca
2+the Ba of doping
7si
2o
7br
8mass percent be 10%.
The peel ply that is 50 μ m by thickness is fitted on anti-blue light glue-line.The material of peel ply is polyethylene.Peel ply is used for preventing that anti-blue light glue-line from adhering to dust and foreign particles in process, guarantees product quality.
In antiglare layer, adopt the method coating add-on type liquid silica gel of scraper for coating, then 160 ℃ dry after, form diaphragm glue-line.The thickness of the diaphragm glue-line forming is 10 μ m.
The cuticular layer that is 50 μ m by thickness is fitted on diaphragm glue-line.The material of cuticular layer is polyethylene.Cuticular layer and antiglare layer are pasted by diaphragm glue-line.Cuticular layer for the protection of antiglare layer in process of production with die-cut process in not by scratch.
The cuticular layer stacking gradually, diaphragm glue-line, antiglare layer, main rete, anti-blue light glue-line form screen protecting film together with peel ply.Tear off after peel ply, will resist blue light glue-line to be affixed on display screen, then tear cuticular layer off, test has torn case hardness, light transmittance and the mist degree of the screen protecting film of peel ply and cuticular layer off.Torn the screen protecting film of peel ply and cuticular layer off, adopted the case hardness of Mitsubishi pencil test antiglare layer, obtaining hardness is 3H.The light transmittance that has torn the screen protecting film of peel ply and cuticular layer off is 83%, and the screen protecting film that has torn peel ply and cuticular layer off is 43% at the light transmittance of 380nm～450nm wave band, can effectively filter blue light, effectively reduces the injury of blue light to human eye.The mist degree that has torn the screen protecting film of peel ply and cuticular layer off is 4.6%, has good antiglare effect.
The above embodiment has only expressed several embodiment of the present utility model, and it describes comparatively concrete and detailed, but can not therefore be interpreted as the restriction to the utility model the scope of the claims.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, the protection domain of the utility model patent should be as the criterion with claims.
Claims (7)
1. a screen protecting film, is characterized in that, comprises the anti-blue light glue-line stacking gradually, main rete and antiglare layer, and described screen protecting film also comprises peel ply, diaphragm glue-line and cuticular layer;
Described peel ply is layered on described anti-blue light glue-line, and described diaphragm glue-line is layered in described antiglare layer, and described cuticular layer is layered on described diaphragm glue-line.
2. screen protecting film according to claim 1, is characterized in that, the thickness of described antiglare layer is 2 μ m～10 μ m.
3. screen protecting film according to claim 1, is characterized in that, the thickness of described main rete is 50 μ m～200 μ m.
4. screen protecting film according to claim 1, is characterized in that, the thickness of described anti-blue light glue-line is 10 μ m～50 μ m.
5. screen protecting film according to claim 1, is characterized in that, the thickness of described peel ply is 25 μ m～75 μ m.
6. screen protecting film according to claim 1, is characterized in that, the thickness of described diaphragm glue-line is 3 μ m～20 μ m.
7. screen protecting film according to claim 1, is characterized in that, the thickness of described cuticular layer is 25 μ m～75 μ m.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420208523.0U CN203901844U (en) | 2014-04-25 | 2014-04-25 | Screen guard film |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420208523.0U CN203901844U (en) | 2014-04-25 | 2014-04-25 | Screen guard film |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203901844U true CN203901844U (en) | 2014-10-29 |
Family
ID=51776138
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420208523.0U Expired - Fee Related CN203901844U (en) | 2014-04-25 | 2014-04-25 | Screen guard film |
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| Country | Link |
|---|---|
| CN (1) | CN203901844U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104476874A (en) * | 2014-12-31 | 2015-04-01 | 张家港康得新光电材料有限公司 | Anti-dazzle and anti-blue-light protection film |
-
2014
- 2014-04-25 CN CN201420208523.0U patent/CN203901844U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104476874A (en) * | 2014-12-31 | 2015-04-01 | 张家港康得新光电材料有限公司 | Anti-dazzle and anti-blue-light protection film |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141029 Termination date: 20180425 |
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| CF01 | Termination of patent right due to non-payment of annual fee |