CN216649746U - Composite protective film with luminous layer - Google Patents
Composite protective film with luminous layer Download PDFInfo
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- CN216649746U CN216649746U CN202123088850.6U CN202123088850U CN216649746U CN 216649746 U CN216649746 U CN 216649746U CN 202123088850 U CN202123088850 U CN 202123088850U CN 216649746 U CN216649746 U CN 216649746U
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Abstract
The utility model discloses a composite protective film with a noctilucent layer, which comprises a hardening layer, a base film layer and an adhesive layer which are sequentially connected, wherein the noctilucent layer is arranged between the base film layer and the hardening layer, surrounds the noctilucent layer arranged on the surface edge line of the base film layer and extends towards a fixed layer to form a frame shape; the hardening layer is respectively adhered to one surface of the base film layer and one surface of the noctilucent layer to form an integrated coating for the base film layer and the noctilucent layer; the hardening layer is respectively adhered to one surface of the base film layer and one surface of the noctilucent layer to form an integrated coating for the base film layer and the noctilucent layer; the luminous layer is positioned on the peripheral lines of the mobile phone screen, so that the main color display area of the mobile phone screen is not blocked, and the luminous layer is in an afterglow state in a dark environment to provide certain brightness and provide accurate mobile phone position information for a user.
Description
Technical Field
The utility model belongs to the field of noctilucent protective films, and particularly relates to a composite protective film with a noctilucent layer.
Background
With the development of smart phones, the corresponding protective films for mobile phones are also rapidly promoted; the main types of mobile phone protective films commonly adopted in the existing market comprise a toughened film, a water condensation film, a PET (polyethylene terephthalate) film and the like, the mobile phone films of the types have advantages and disadvantages, and customers can select the types of the protective films according to actual conditions.
In the existing scene, people wake up due to various conditions during sleeping at night, and want to acquire time information through a mobile phone subconsciously, however, the mobile phone is often difficult to find in a dark environment at the first time; in the prior art, as in Chinese patent numbers: 201610480775.2, the utility model patent of a conformable arc-shaped noctilucent protective film and a preparation method thereof provides a scheme with a noctilucent composite film, a noctilucent pattern is provided by a noctilucent composite layer, and people can be assisted to master the position of the mobile phone at the first time in the scene; however, nowadays, color performance of mobile phones is more important, OLED technology with wider color gamut is generally used, however, with the introduction of a noctilucent layer, the light transmittance of a mobile phone screen is inevitably affected, and therefore, a mobile phone protective film is urgently needed, which provides certain noctilucent identification, facilitates users to grasp the position of the mobile phone in a dark environment, and meanwhile, does not affect the color performance of the mobile phone.
SUMMERY OF THE UTILITY MODEL
Aiming at the defects in the prior art, the utility model provides the composite protective film with the noctilucent layer, the noctilucent layer is arranged on the peripheral frame of the base film layer and is reinforced by the UV hardening layer, the product is adhered and fixed on the mobile phone by the adhesive layer, the noctilucent layer is positioned on the peripheral lines of the mobile phone screen, the main color display area of the mobile phone screen cannot be blocked, and the noctilucent layer is in an afterglow state in a dark environment, so that certain brightness is provided, and accurate mobile phone position information is provided for a user.
In order to achieve the above object, the present invention provides a composite protective film with a noctilucent layer, comprising a hardening layer, a base film layer and a bonding layer, which are connected in sequence, wherein the noctilucent layer is arranged between the base film layer and the hardening layer, and surrounds the surface edge of the base film layer and extends towards the fixing layer to form a frame shape; the hardening layer is respectively adhered to one side of the base film layer and one side of the noctilucent layer so as to form an integral coating of the base film layer and the noctilucent layer.
Preferably, the material of the film layer is PET or TPU, and the thickness is 10-30 μm.
Preferably, the main material of the adhesive layer is acrylic pressure-sensitive adhesive, and the thickness is 10-30 μm.
Preferably, the width of the luminous layer is 1-4mm, and the thickness is 10-20 μm.
Preferably, the hardened layer is formed by mixing and compounding epoxy acrylate, polyurethane acrylic resin, photoinitiator and active monomer, and has a thickness of 1-3 μm
Preferably, the base film layer is provided with a tin cylinder hole, and the hardened layer and the bonding layer are provided with a position avoiding hole which is matched and attached according to the position of the tin cylinder hole on the base film layer.
Preferably, a dustproof mechanism is arranged in the earphone hole and comprises a dustproof frame and a dustproof net, and the dustproof net is attached to one end, close to the adhesive layer, of the dustproof frame.
Preferably, a release layer is further included, and the adhesive layer is located between the release layer and the base film layer.
Preferably, the release layer is a PET silicone oil release film with the thickness of 20-100 μm.
The utility model has the beneficial effects that: compared with the prior art, the utility model provides a composite protective film with a noctilucent layer, which comprises a hardening layer, a base film layer and a bonding layer which are sequentially connected; a noctilucent layer is arranged between the base film layer and the hardening layer, is coated around the surface sideline of the base film layer and extends towards the fixing layer to form a frame shape; the hardening layer is respectively adhered to one surface of the base film layer and one surface of the noctilucent layer to form integral coating of the base film layer and the noctilucent layer; the hardening layer is respectively adhered to one surface of the base film layer and one surface of the noctilucent layer to form integral coating of the base film layer and the noctilucent layer; the periphery of the base film layer is provided with the noctilucent layer, the base film layer is reinforced through the hardening layer, the product is adhered and fixed on the mobile phone through the adhesive layer, the noctilucent layer is located on the periphery lines of the screen of the mobile phone and cannot block the main color display area of the screen of the mobile phone, the noctilucent layer is in an excitation state in a dark environment, and the noctilucent layer has a noctilucent effect and further provides certain brightness and gives accurate mobile phone position information to a user.
Drawings
FIG. 1 is a structural assembly of the present invention;
FIG. 2 is a cross-sectional view of a structural fit of the present invention;
FIG. 3 is a view of the dust-proof mechanism of the present invention;
fig. 4 is a structure diagram of the dust-proof frame of the present invention.
The main element symbols are as follows:
1. a base film layer; 2. an adhesive layer; 3. a luminescent layer; 4. a hardened layer; 5. a can hole; 6. avoiding holes; 7. a dust-proof mechanism; 71. a dust-proof frame; 711. a groove; 712. a honeycomb grid; 72. a dust screen; 8. and a release layer.
Detailed Description
In order to more clearly describe the present invention, the present invention will be further described with reference to the accompanying drawings.
In the prior art, a noctilucent layer is introduced into a mobile phone film, so that the position of a mobile phone can be conveniently determined by a user in a dark environment, but the light transmittance of a composite mobile phone film containing the noctilucent layer is not high, the expected value of the color expression of the mobile phone of the user cannot be reached, and the user experience is further reduced.
In order to solve the above problems, the present invention provides a composite protective film with a noctilucent layer, please refer to fig. 1 to 4, the present invention provides a composite protective film with a noctilucent layer, which comprises a hardening layer 4, a base film layer 1 and an adhesive layer 2 connected in sequence; a noctilucent layer 3 is arranged between the base film layer 1 and the hardening layer 4, and the noctilucent layer 3 is coated around the surface edge line of the base film layer 1 and extends towards the fixing layer to form a frame shape; the hardening layer 4 is respectively adhered to one surfaces of the base film layer 1 and the noctilucent layer 3 to form an integral coating of the base film layer 1 and the noctilucent layer 3; in the embodiment, in the preparation process, firstly, a matched avoidance adhesive layer is pasted on a base film layer 1, noctilucent powder and pressure-sensitive adhesive are selected to form noctilucent coating liquid, the noctilucent coating liquid is rolled on the base film layer pasted with the avoidance adhesive layer through a roller, the avoidance adhesive layer is rolled and removed after the rolling is finished, a noctilucent layer 3 extending from the edge of the base film layer to the center of the surface of the base film layer is obtained, and the curing is realized on the base film layer after the drying, so that a primary composite protective film is obtained; the hardened layer main body material is epoxy acrylate, polyurethane acrylic resin, a photoinitiator and an active monomer; mixing and dispersing the epoxy acrylate, the polyurethane acrylic resin, the photoinitiator and the active monomer to obtain the hardened layer coating, wherein the ratio of the main body resin to the active monomer to the photoinitiator is as follows: 6:0.5:3.5, wherein the specific parameters of the corresponding ratio are 30 parts of epoxy acrylate, 30 parts of polyurethane acrylic resin, 35 parts of active monomer and 5 parts of photoinitiator, if the dosage of the photoinitiator is too much, the hardening layer 4 absorbs too much energy in the curing process to cause the cracking phenomenon of a coating, and if the dosage of the photoinitiator is too little, the coating cannot be cured normally; coating a hardened layer 4 coating on one surface, containing the noctilucent layer 3, of the primary composite film, filling the height difference caused by the noctilucent layer 3 with the fluidity of the hardened layer 4 coating, and realizing curing by absorbing UV light to form the hardened layer 4, wherein the UV curing speed is better than that of the traditional heat drying treatment, so that a secondary composite protective film is obtained, the hardened layer 4 not only increases the integral mechanical strength of the product, has good light transmittance, but also endows the product with wear resistance, and further protects the mobile phone screen from being easily scratched; rolling the surface of the secondary protective film far away from the hardened layer 4 with the bonding layer 2 through a roller to obtain a final product; the utility model discloses in use, adhere final product to the cell-phone screen through bond line 2 on, noctilucent layer 3 lasts to absorbing light energy in the environment that light is sufficient, be in the excited state, and then in the environment of dark, be in afterglow state, and then provide the accurate position of cell-phone for the user, and noctilucent layer 3's afterglow brilliant rays can not cause the dazzling phenomenon to the eyes that have adapted to under the dark environment state, and do not have at noctilucent layer 3 and the screen display region to cover, and then can guarantee that the luminousness of base film layer 1 and sclerosis layer 4 can not reduce, the colour difference can not appear in the colour performance of cell-phone, and then solve the problem that appears in the current.
Preferably, the base film layer 1 is made of PET or TPU, and the thickness is 10-30 μm; preferably, the base film layer 1 is made of PET and has a thickness of 20 μm; the base film layer 1 is prepared by mixing resin and high-solubility monomer, and is necessary to have corrosivity, so the base film layer 1 is necessary to have certain corrosion resistance, the PET material has a milky white or light yellow high-crystallinity polymer, the surface is smooth and glossy, the creep resistance, the fatigue resistance, the abrasion resistance and the dimensional stability are good, the abrasion is small, the hardness is high, and the base film layer has the maximum toughness in thermoplastic plastics: the PET material has the advantages of good electrical insulation performance, no toxicity, weather resistance, good chemical resistance stability, low water absorption, weak acid resistance, perfect process of the PET material, stable maintenance of the light transmittance within the range of 95-97% in the industry, and suitability for being used as a base film layer in the utility model.
In this embodiment, the main material of the adhesive layer 2 is acrylic pressure sensitive adhesive with a thickness of 10-30 μm; the acrylic resin has excellent high strength, impact resistance and weather resistance, can be bonded with oil surface, is convenient to use, has strong impact resistance and shearing force, has higher anti-pulling degree, can be tightly bonded on the surface of an object, and is not easy to fall off; the mobile phone generates heat in daily use, long-time attachment to a screen cannot be achieved if certain high-temperature resistance can not be guaranteed, and the pressure-sensitive adhesive has good weather resistance and good ageing resistance and is suitable for attachment of mobile phone screens.
In the embodiment, the luminous layer 3 extends from the edge of the base film layer to the center of the surface of the base film, the extending width is 1-4mm, and the thickness is 10-20 μm; the extension width of the noctilucent layer 3 is not limited, a certain black edge is often formed at the joint of a mobile phone screen sideline and a mobile phone side shell frame, adaptive adjustment can be made according to different width distances of the black lines, and preferably, the width of the noctilucent layer 3 is smaller than that of the black lines, so that the noctilucent layer 3 is hidden in the black lines, and the attractiveness of the mobile phone in practical protection of a film is ensured, and the display area of the screen cannot be covered at all.
In the embodiment, the base film layer 1 is provided with a tin hole 5, and the hardened layer 4 and the bonding layer 2 are provided with a position avoiding hole 6 which is matched and attached with each other at the position of the base film layer 1 according to the tin hole 5; a dustproof mechanism 7 is arranged in the tin hole 5, the dustproof mechanism 7 comprises a dustproof frame 71 and a dustproof net 72, and the dustproof net 72 is attached to one end, close to the adhesive layer 2, of the dustproof frame 71; specifically, the shape of the earphone hole 5 is designed according to the positions of earphones of different mobile phone models, the dustproof frame 71 is designed in an integrated mode, one surface facing a bonding layer is provided with a groove 711, the dustproof net 72 is detachably attached to the groove 711, the surface of the dustproof frame 71 is provided with a honeycomb grid 712, the honeycomb grid 712 is communicated with the surface of the dustproof frame 71 and is attached to the dustproof net 72, the honeycomb grid 712 is high in tightness, the required material is simplest, the formed mesh area is optimal, sufficient space area can be reserved for conducting sound when the overall stability of the integrated design is enhanced, the sound information of the mobile phone can be effectively transmitted to the ears of a user when the mobile phone is used, the dustproof net attached to the honeycomb grid 712 can block external dust, the earphone position of the mobile phone is prevented from being covered by the external dust, and the mobile phone is kept tidy; the dustproof design of the earpiece hole 5 provides more functionality for the present invention.
In this embodiment, the adhesive further includes a release layer 8, and the adhesive layer 2 is located between the release layer 8 and the base film layer 1; the release layer 8 is a PET silicone oil release film with the thickness of 20-100 mu m; the preferable thickness of the release layer 8 is 30 microns, a layer of silicone oil is coated on the surface of the PET film by using a PET silicone oil release film to form a silicone oil surface, the silicone oil surface of the release layer 8 is bonded with the bonding layer 2, and when the product is stored in a field, a large area of contact between a cementing layer bonded on the silicone oil surface and air can be avoided, so that the bonding layer 2 is prevented from going bad and losing viscosity; when the adhesive tape is used, the cementing layer and the silicone oil surface are in a bonding state, and the adhesive force is reduced through the silicone oil surface, so that the adhesive tape can not be broken when the adhesive tape is torn.
The above disclosure is only for a few specific embodiments of the present invention, but the present invention is not limited thereto, and any variations that can be made by those skilled in the art are intended to fall within the scope of the present invention.
Claims (9)
1. A composite protective film with a noctilucent layer comprises a hardening layer, a base film layer and an adhesive layer which are sequentially connected, and is characterized in that the noctilucent layer is arranged between the base film layer and the hardening layer, surrounds the noctilucent layer arranged on the surface edge line of the base film layer and extends towards the fixed layer to form a frame shape; the hardening layer is respectively adhered to one side of the base film layer and one side of the noctilucent layer so as to form an integral coating of the base film layer and the noctilucent layer.
2. The protective film of claim 1, wherein the base film layer is made of PET or TPU and has a thickness of 10-30 μm.
3. The composite protective film with a noctilucent layer according to claim 1, wherein the main material of the adhesive layer is acrylic pressure sensitive adhesive, and the thickness is 10-30 μm.
4. The composite protective film with a noctilucent layer according to claim 1, wherein the noctilucent border layer has a width of 1-4mm and a thickness of 10-20 μm.
5. The protective film according to claim 1, wherein the hardened layer is formed by mixing and compounding epoxy acrylate, polyurethane acrylic resin, photoinitiator and active monomer, and has a thickness of 1-3 μm.
6. The composite protective film with a noctilucent layer according to claim 1, wherein the base film layer is provided with a can hole, and the hardened layer and the adhesive layer are provided with a position avoiding hole which is matched and attached according to the can hole at the position of the base film layer.
7. The composite protective film with a noctilucent layer according to claim 6, wherein a dustproof mechanism is arranged in the earphone hole, and the dustproof mechanism is clamped with the base film layer; the dustproof mechanism comprises a dustproof frame and a dustproof net, and the dustproof net is attached to one end, close to the adhesive layer, of the dustproof frame.
8. The protective composite film with a noctilucent layer according to claim 1, further comprising a release layer, wherein the adhesive layer is located between the release layer and the base film layer.
9. The composite protective film with the noctilucent layer according to claim 8, wherein the release layer is a PET silicone oil release film with a thickness of 20-100 μm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123088850.6U CN216649746U (en) | 2021-12-09 | 2021-12-09 | Composite protective film with luminous layer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123088850.6U CN216649746U (en) | 2021-12-09 | 2021-12-09 | Composite protective film with luminous layer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216649746U true CN216649746U (en) | 2022-05-31 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123088850.6U Active CN216649746U (en) | 2021-12-09 | 2021-12-09 | Composite protective film with luminous layer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216649746U (en) |
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2021
- 2021-12-09 CN CN202123088850.6U patent/CN216649746U/en active Active
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