CN211471287U - Novel protective film - Google Patents
Novel protective film Download PDFInfo
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- CN211471287U CN211471287U CN201922170483.0U CN201922170483U CN211471287U CN 211471287 U CN211471287 U CN 211471287U CN 201922170483 U CN201922170483 U CN 201922170483U CN 211471287 U CN211471287 U CN 211471287U
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- transmission layer
- layer
- protective film
- nicr
- pet substrate
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Abstract
The utility model discloses a novel protective film, include the PET substrate layer, set up in the Si of PET substrate layer upper surface3N4The transmission layer, set up in the NiCr transmission layer of PET substrate layer lower surface and set up in the ya keli glue film of NiCr transmission layer outer surface, bond in proper order and calendering between each layer and be integrative lamellar structure, Si3N4The thickness ratio range of the transmission layer and the NiCr transmission layer is 2-1.6, and Si3N4The refractive indexes of the transmission layer and the NiCr transmission layer are 1.88-1.98, and the light transmittance of the protective film is 96-97%. The utility model discloses a set up respectively on the upper and lower surface of PET substrate and have the height and roll overSi of refractive index3N4The transmission layer and the NiCr transmission layer can reduce external reflection light and improve the light transmittance of the protective film, so that the light transmittance of the protective film reaches 96-97%; further, Si3N4The arrangement of the transmission layer also enables the protective film to have better scratch resistance.
Description
Technical Field
The utility model relates to a protection film technical field especially relates to a novel protection film.
Background
The protective film can be divided into a digital product protective film, an automobile protective film, a household protective film, a food fresh-keeping protective film and the like according to the application. With the popularization of digital products such as mobile phones in China, the protective film has gradually become a general name of the screen protective film.
In the prior art, PET is generally used as a protective film, but the existing protective film has poor light transmittance, so that the visual effect of watching of a user is influenced after the protective film is pasted on a screen of a terminal; in addition, the scratch-resistant effect of the existing protective film is poor, so that the use experience of a user is poor.
In view of the above, it is necessary to provide a technical solution to the above problems.
Disclosure of Invention
The utility model aims to provide a: aiming at the defects of the prior art, the novel protective film with high light transmittance and better scratch resistance is provided.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a novel protective film comprises a PET substrate layer, Si arranged on the upper surface of the PET substrate layer3N4The transmission layer, set up in the NiCr transmission layer of PET substrate layer lower surface and set up in the ya keli glue film of NiCr transmission layer outer surface bonds in proper order between each layer and rolls and is integrative lamellar structure, Si3N4The thickness ratio of the transmission layer to the NiCr transmission layer is 2-1.6, and the Si layer is3N4The refractive indexes of the transmission layer and the NiCr transmission layer are both 1.88-1.98, and the light transmittance of the protective film is 96-97%.
In some embodiments according to the present application, the Si is3N4A graphene heat dissipation film layer is also arranged between the transmission layer and the PET substrate layer; the thickness of the graphene heat dissipation film layer is 0.01-0.03 mm.
In some embodiments according to the present application, the outer surface of the acrylic adhesive layer is provided with a tooth-shaped connection structure.
In some embodiments according to the present application, the Si is3N4The thickness of the transmission layer is 0.02-0.08 mm.
In some embodiments according to the present application, the NiCr transmissive layer has a thickness of 0.01 to 0.05 mm.
In some embodiments according to the present application, the thickness of the PET substrate layer is 0.01-0.08 mm.
In some embodiments according to the present disclosure, the thickness of the acrylic adhesive layer is 0.01 to 0.05 mm.
The beneficial effects of the utility model reside in that: the utility model relates to a novel protective film, including the PET substrate layer, set up in the Si of PET substrate layer upper surface3N4The transmission layer, set up in the NiCr transmission layer of PET substrate layer lower surface and set up in the ya keli glue film of NiCr transmission layer outer surface bonds in proper order between each layer and rolls and is integrative lamellar structure, Si3N4The thickness ratio of the transmission layer to the NiCr transmission layer is 2-1.6, and the Si layer is3N4The refractive indexes of the transmission layer and the NiCr transmission layer are both 1.88-1.98, and the light transmittance of the protective film is 96-97%. Compared with the prior art, the utility model discloses a set up the Si that has the high refractive index respectively on the upper and lower surface of PET substrate3N4A transmission layer and the NiCr transmission layer, and by confining Si3N4The thickness ratio of the transmission layer to the NiCr transmission layer enables the thickness of the protective film to be well matched, so that external reflection light can be reduced, the light transmittance of the protective film is improved, and the light transmittance of the protective film reaches 96-97%; furthermore, the utility model discloses a Si that sets up at the protective film surface3N4The transmission layer not only has high light transmission performance, but also has strong hardness, so that the protective film has better scratch resistance.
Drawings
Fig. 1 is a schematic structural diagram of embodiment 1 of the present invention.
Fig. 2 is a schematic structural diagram of embodiment 2 of the present invention.
Fig. 3 is a schematic structural diagram of embodiment 3 of the present invention.
In the figure: 1-a PET substrate layer; 2-Si3N4A transmissive layer; a 3-NiCr transmissive layer; 4-acrylic glue layer; 5-graphene heat dissipation film layer.
Detailed Description
In order to make the technical solutions and advantages of the present invention clearer, the present invention and its advantageous effects will be described in further detail below with reference to the accompanying drawings of the detailed description and the specification, but the present invention is not limited thereto.
Example 1
As shown in figure 1, the novel protective film comprises a PET substrate layer 1 and Si arranged on the upper surface of the PET substrate layer 13N4Transmission layer 2, set up in the NiCr of 1 lower surface of PET substrate layer transmits layer 3 and set up in the ya keli glue film 4 of 3 surfaces on NiCr transmission layer bonds in proper order between each layer and rolls and be integrative lamellar structure, Si3N4The thickness ratio of the transmission layer 2 to the NiCr transmission layer 3 is 2-1.6, and the Si is3N4The refractive indexes of the transmission layer 2 and the NiCr transmission layer 3 are both 1.88-1.98, and the light transmittance of the protective film is 96-97%.
Preferably, the thickness of the Si3N4 transmission layer 2 is 0.02-0.08 mm; the thickness of the NiCr transmission layer 3 is 0.01-0.05 mm; the thickness of the PET substrate layer 1 is 0.01-0.08 mm; the thickness of the acrylic adhesive layer 4 is 0.01-0.05 mm.
Compared with the prior art, the utility model discloses a set up the Si that has the high refractive index respectively on the upper and lower surface of PET substrate3N4Transmission layer 2 with NiCr transmission layer 3, like this, reducible external reverberation improves the light transmissivity of protection film, and the utility model discloses a inject Si3N4The thickness ratio of the transmission layer 2 to the NiCr transmission layer 3 ensures that the thickness of the protective film achieves good matching, which is beneficial to ensuring that the flexible film has higher transmittance which reaches 96-97%; furthermore, the utility model discloses a Si that sets up at the protective film surface3N4The transmission layer 2 not only has high light transmittance, but also has strong hardness, so that the protective film has better scratch resistance.
Example 2
As shown in fig. 2, unlike embodiment 1, the outer surface of the acrylic adhesive layer 4 of this embodiment is provided with a tooth-shaped connection structure. The bonding area of protection film and product can be increased to such setting, improves the adhesive strength of protection film and product, prevents that the protection film problem that drops easily from appearing.
Example 3
As shown in FIG. 3, unlike in example 1, the Si of this example3N4A graphene heat dissipation film layer 5 is also arranged between the transmission layer 2 and the PET substrate layer 1; the thickness of the graphene heat dissipation film layer 5 is 0.01-0.03 mm. Through setting up graphite alkene heat dissipation layer, still have better heat dispersion when enabling the protection film to have good light transmissivity, improve the stability and the life of protection film.
Variations and modifications to the above-described embodiments may become apparent to those skilled in the art from the disclosure and teachings of the above description. Therefore, the present invention is not limited to the above-mentioned embodiments, and any obvious modifications, replacements or variations made by those skilled in the art on the basis of the present invention belong to the protection scope of the present invention. Furthermore, although specific terms are employed herein, they are used in a generic and descriptive sense only and not for purposes of limitation.
Claims (7)
1. A novel protective film is characterized in that: comprises a PET substrate layer, Si arranged on the upper surface of the PET substrate layer3N4The transmission layer, set up in the NiCr transmission layer of PET substrate layer lower surface and set up in the ya keli glue film of NiCr transmission layer outer surface bonds in proper order between each layer and rolls and is integrative lamellar structure, Si3N4The thickness ratio of the transmission layer to the NiCr transmission layer is 2-1.6, and the Si layer is3N4The refractive indexes of the transmission layer and the NiCr transmission layer are both 1.88-1.98, and the light transmittance of the protective film is 96-97%.
2. The novel protective film according to claim 1, characterized in that: said Si3N4The transmission layer with still be provided with graphite alkene heat dissipation rete between the PET substrate layer.
3. The novel protective film according to claim 1, characterized in that: the outer surface of the acrylic adhesive layer is provided with a dentate connecting structure.
4. The novel protective film according to claim 1, characterized in that: said Si3N4The thickness of the transmission layer is 0.02-0.08 mm.
5. The novel protective film according to claim 1, characterized in that: the thickness of the NiCr transmission layer is 0.01-0.05 mm.
6. The novel protective film according to claim 1, characterized in that: the thickness of the PET substrate layer is 0.01-0.08 mm.
7. The novel protective film according to claim 1, characterized in that: the thickness of inferior gram force glue film is 0.01~0.05 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922170483.0U CN211471287U (en) | 2019-12-06 | 2019-12-06 | Novel protective film |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922170483.0U CN211471287U (en) | 2019-12-06 | 2019-12-06 | Novel protective film |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211471287U true CN211471287U (en) | 2020-09-11 |
Family
ID=72361428
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922170483.0U Expired - Fee Related CN211471287U (en) | 2019-12-06 | 2019-12-06 | Novel protective film |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211471287U (en) |
-
2019
- 2019-12-06 CN CN201922170483.0U patent/CN211471287U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200911 Termination date: 20211206 |
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| CF01 | Termination of patent right due to non-payment of annual fee |