CN212581798U - Anti-dazzle protective film for curved surface mobile phone - Google Patents

Abstract

The utility model discloses a curved surface mobile phone is with anti protection film that dazzles, including the substrate layer, the substrate layer has upper surface and lower surface, the upper surface is equipped with sclerosis layer and acrylic glue system protection film in proper order, and the surface on sclerosis layer has mute light structure, the lower surface is equipped with two solidification glue films, silica gel layer in proper order and leaves the type layer, two solidification glue films are the elder generation thermosetting photocuring again and make, just the thickness on sclerosis layer is less than the thickness on two solidification glue films. The utility model provides a curved surface screen laminating nature of anti protection film and curved surface cell-phone of dazzling for the curved surface cell-phone is good, the white limit phenomenon can not appear, and the cambered surface edge is difficult for appearing the warpage and corrugating, and preparation simple process, the processing degree of difficulty is low, can reduce the processing cost, can avoid reflecting light simultaneously and dazzle the light condition, the protection people's eye.

Description

Anti-dazzle protective film for curved surface mobile phone

Technical Field

The utility model relates to a protection film technical field, more specifically relate to a curved surface mobile phone is with anti protection film of dazzling.

Background

Along with the popularization of smart phones, the demand of mobile phone films is increased, the plastic mobile phone films which are produced at first are gradually eliminated by the market due to various defects of performance, and the toughened glass films can completely cover the original screen surface, prevent the original screen surface from being damaged and scratched by external force, further increase the impact absorbability and cannot influence the video effect of the screen, so that the toughened films occupy more and more in the mobile phone film market, but the toughened films are used for 3D curved-surface mobile phone protective films, and on one hand, the glass is difficult to form by hot bending and have high reject ratio; on the other hand, the glass material has an influence on unlocking of the finger print under the screen.

Nowadays, the body edge and the screen of many mobile phones are designed into an arc shape to form a curved mobile phone, and the requirement for a curved mobile phone protective film is more and more strict. At present, a protective film is generally formed by hot bending and forming after an AB adhesive is attached to a PET film while the PET film is hardened, but the protective film has poor adhesion with a screen, the edge of a cambered surface is easy to warp and generate a white edge, and the problem of warping is easy to occur particularly in some environments with high temperature and high humidity. Chinese patent CN209940890 discloses a 3D protective film, which comprises a film coating layer, a UV hardened layer, a heating-UV dual-curing adhesive layer, a PET layer, a silica gel layer and a peeling layer, which are sequentially stacked from top to bottom. However, the processing difficulty is high due to the direct combination of the UV hardening layer and the heating-UV dual-curing adhesive layer, so that the preparation efficiency is low, the production cost is high, and the process is complex. Meanwhile, human eyes stare at the mobile phone for a long time, the high-gloss protective film reflects light seriously, and if the high-gloss protective film is irradiated by strong sunlight, the strong sunlight easily causes the phenomena of dazzling light, reflection and the like, so that discomfort of a user is caused, and the damage to the visual ability is great.

Therefore, it is necessary to provide an anti-glare protective film for a curved mobile phone to solve the above-mentioned deficiencies of the prior art.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a curved surface is anti for cell-phone dazzles protection film, it is good with the curved surface screen laminating nature of curved surface cell-phone, and the cambered surface edge is difficult for appearing warpage and play white limit, and preparation simple process, the processing degree of difficulty is low, reduces the processing cost, can avoid reflecting light simultaneously and dazzle the light condition, the protection people's eye.

In order to realize above-mentioned purpose, the utility model discloses an anti protection film that dazzles of curved surface cell-phone, which comprises a substrate layer, the substrate layer has upper surface and lower surface, the upper surface is equipped with sclerosis layer and acrylic glue system protection film in proper order, the surface on sclerosis layer has mute light structure, the lower surface is equipped with dual cure glue film, silica gel layer in proper order and leaves the type layer, dual cure glue film is that the thermosetting surface is dry and follow-up photocuring design is made again, just the thickness on sclerosis layer is less than the thickness on dual cure glue film.

Compared with the prior art, the anti-glare protective film for the curved-surface mobile phone is protected by the acrylic adhesive protective film when the anti-glare protective film is not used, so that dust is prevented from polluting a hardening layer; when in use, the acrylic adhesive protective film is torn, and the hardened layer provides better wear resistance and anti-fouling performance; with the help of the matte structure on the surface of the hardened layer, the matte effect is realized, the reflection and glare conditions are avoided, and the human eyes are protected; due to the introduction of the dual-curing adhesive layer, the edges of the cambered surface can be effectively prevented from warping and forming white edges; be equipped with the substrate layer between sclerosis layer and two solidification glue films, great reduction processing degree of difficulty. After tearing the release layer, with the help of silica gel layer and curved surface screen laminating, the air discharge is good, and the laminating is level and smooth. Therefore, the anti-glare protective film for the curved-surface mobile phone can be well attached to the curved-surface screen of the curved-surface mobile phone, the edge of the arc surface is not prone to warping and whitening, the preparation process is simple, the processing difficulty is low, the processing cost is reduced, meanwhile, the light reflection and glare conditions can be avoided, and human eyes are protected.

Preferably, an OCA optical adhesive layer and a PET optical film layer are sequentially arranged between the double-curing adhesive layer and the silica gel layer from top to bottom.

Preferably, the thickness of the OCA optical adhesive layer is 50-120 μm.

Preferably, the matte structure is a concave-convex structure.

Preferably, the hardening layer is a UV light curing layer.

Preferably, the hardened layer is provided with a plurality of particle structures, and the particle structures partially protrude out of the surface of the hardened layer to form the matte structure.

Preferably, the particle structure is spherical.

Preferably, the substrate layer is selected from any one of a PET film layer, a TAC film layer and an SRF film layer.

Preferably, the thickness of the dual-curing glue layer is 30-80 μm.

Preferably, the dual-curing glue layer is made of aliphatic polyurethane acrylate.

Drawings

Fig. 1 is the utility model discloses curved surface cell-phone is with anti-structure schematic diagram who dazzles the protection film.

Fig. 2 is a schematic structural view of the curved-surface mobile phone shown in fig. 1, in which an acrylic adhesive protective film is hidden by the anti-glare protective film.

Fig. 3 is a schematic structural view of another embodiment of the anti-glare protective film for the curved mobile phone shown in fig. 2.

Fig. 4 is a top view of a hardened layer in the anti-glare protective film for the curved-surface mobile phone shown in fig. 3.

Fig. 5 is a schematic structural diagram of another embodiment of the anti-glare protective film for the curved-surface mobile phone of the present invention.

Description of the symbols:

curved surface cell-phone is with anti protection film 100 that dazzles, substrate layer 10, sclerosis layer 20, mute light structure 21, particle structure 23, acrylic glue is protection film 30, two solidification glue layers 40, silica gel layer 50, from type layer 60, OCA optics glue film 70, PET optics rete 80.

Detailed Description

In order to explain technical contents, structural features, and objects and effects of the present invention in detail, the following description is given in conjunction with the embodiments and the accompanying drawings.

Please refer to fig. 1, the anti-glare protective film 100 for the curved-surface mobile phone of the present application includes a substrate layer 10, the substrate layer 10 has an upper surface and a lower surface, the upper surface of the substrate layer 10 is sequentially provided with a hardened layer 20 and an acrylic adhesive protective film 30, the surface of the hardened layer 20 has a matte structure 21, the lower surface of the substrate layer 10 is sequentially provided with a dual-curing adhesive layer 40, a silica gel layer 50 and a release layer 60, the dual-curing adhesive layer 40 is prepared by thermosetting surface drying and then photocuring and shaping, and the thickness of the hardened layer 20 is smaller than that of the dual-curing adhesive layer 40. It is understood that a heat-curable and light-curable material is coated on the upper surface of the base material layer 10, and a heat curing process and a light curing process are performed to form the hardened layer 20. Preferably, the hardened layer 20 is made using a photo-curing process, i.e., the hardened layer 20 is a UV photo-cured layer. An acryl glue-based protective film 30 is provided on an upper surface of the hardened layer 20 to protect the hardened layer 20, and it should be understood that the acryl glue-based protective film 30 is a protective film with acryl glue. The lower surface of the substrate layer 10 is coated with a material which can be firstly thermally cured and then photo-cured, and the dual-curing adhesive layer 40 is obtained by firstly performing a thermal curing process and surface drying and then performing a photo-curing process for shaping. And coating a silica gel material on the other side of the double-curing adhesive layer 40 to form a silica gel layer 50, and then attaching a release layer 60. The thickness of the hardened layer 20 is 3-7 μm, for example, the thickness of the hardened layer 20 can be, but is not limited to, 3 μm, 4 μm, 5 μm, 6 μm, 7 μm. Since the dual cure adhesive layer 40 serves as a main support layer, the thickness of the hardened layer 20 is smaller than that of the dual cure adhesive layer 40. The thickness of the dual cured glue layer 40 is 30-80 μm, such as the thickness of the dual cured glue layer 40 can be, but is not limited to, 30 μm, 40 μm, 50 μm, 60 μm, 70 μm, 80 μm. In a preferred embodiment, the dual-cure adhesive layer 40 is made of aliphatic urethane acrylate through thermal curing and surface drying, and then through photo-curing and shaping. The thickness of the silicone gel layer 50 is 20-70 μm, for example, the thickness of the silicone gel layer 50 may be, but is not limited to, 20 μm, 30 μm, 40 μm, 50 μm, 60 μm, 70 μm.

Referring to fig. 2-4, the matte structure 21 is a concave-convex structure, and in an implementation process, the hardened layer 20 may be photo-cured and physically embossed by a roller to realize the concave-convex structure, and a depth and a width of the concave-convex structure may be implemented according to actual needs, which is not limited herein. In another embodiment, the hardened layer 20 has a plurality of particle structures 23, and the plurality of particle structures 23 partially protrude out of the surface of the hardened layer to form a matte structure 21. The particle structure 21 may be, but not limited to, silica or titania. When the hardened layer 20 is photo-cured, the particle structure 21 is fixed in the hardened layer 20 and partially protrudes out of the surface of the hardened layer 20 to form a matte structure 21. The particle diameter of the particle structure 23 is selected in accordance with the matte effect, and is not limited herein. Preferably, the particle structure 23 is spherical. Further, the particle structure 23 is a transparent structure, which facilitates the photo-curing process, so as to improve the stability of the particle structure 23 in the hardened layer 20.

Referring to fig. 5, an OCA optical adhesive layer 70 and a PET optical film layer 80 are sequentially disposed between the dual curing adhesive layer 40 and the silicone layer 50 from top to bottom. Because the tackiness on silica gel layer 50 is lower, silica gel layer 50 is used for with the laminating of curved surface screen simultaneously, should not too thick, adopts less time probably to lead to silica gel layer 50 and dual cure glue film 40 cohesion relatively poor, leads to droing. OCA optical adhesive layer 70's gluey stickness is stronger than silica gel layer 50, adopts OCA optical adhesive layer 70 and the combination of two solidification glue films 40, and two solidification glue films 40 combine with the help of PET optical film layer 80 and silica gel layer 50, avoids the emergence of above-mentioned condition, and can promote the discharge of air, improves the stability of silica gel layer 50 and curved surface screen laminating. Further, the thickness of the OCA optical adhesive layer 70 is 50-120 μm. For example, the thickness of OCA optical glue layer 70 may be, but is not limited to, 50 μm, 60 μm, 70 μm, 80 μm, 90 μm, 100 μm, 110 μm, 120 μm.

With continued reference to fig. 1, the substrate layer 10 is selected from any one of a PET film layer, a TAC film layer, and an SRF film layer. In one embodiment, the substrate layer 10 is selected from PET film layers, and preferably PET film layers with high transparency. In another embodiment, the substrate layer 10 is selected from a TAC (triacetyl cellulose) film layer or an SRF film layer, which can effectively improve the identification of fingerprints under the screen. In addition, the TAC film layer or the SRF film layer is used as the substrate layer 10, when the PET optical film layer 80 can be matched, the UV forming processing is easy, the rebound is avoided, and the laminating performance with a curved screen is good. Further, the thickness of the substrate layer 10 is 20-100 μm, for example, the thickness of the substrate layer 10 may be, but is not limited to, 20 μm, 30 μm, 40 μm, 50 μm, 60 μm, 70 μm, 80 μm, 90 μm, 100 μm.

Compared with the prior art, the anti-glare protective film 100 for the curved-surface mobile phone is protected by the acrylic adhesive protective film 30 when not in use, so that dust is prevented from polluting the hardened layer 20; when in use, the acrylic adhesive protective film 30 is torn, and the hardening layer 20 provides better wear resistance and anti-fouling performance; with the help of the matte structure 21 on the surface of the hardened layer 20, a matte effect is realized, the conditions of light reflection and glare are avoided, and human eyes are protected; due to the introduction of the double-curing glue layer 40, the edges of the cambered surface can be effectively prevented from warping and forming white edges; be equipped with substrate layer 10 between sclerosis layer 20 and two solidification glue films 40, great reduction processing degree of difficulty. After the release layer 60 is torn, the silica gel layer 50 is attached to the curved screen, so that the air exhaust performance is good, and the attachment is smooth. Therefore, the anti-glare protective film 100 for the curved-surface mobile phone can be well attached to a curved-surface screen of the curved-surface mobile phone, the edge of the arc surface is not prone to warping and whitening, the preparation process is simple, the processing difficulty is low, the processing cost is reduced, meanwhile, the light reflection and glare conditions can be avoided, and human eyes are protected.

The above disclosure is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the scope of the invention, therefore, the invention is not limited thereto.

Claims (10)

1. The utility model provides a curved surface mobile phone is with anti protection film that dazzles, a serial communication port, including the substrate layer, the substrate layer has upper surface and lower surface, the upper surface is equipped with sclerosis layer and ya keli in proper order and glues and be the protection film, the surface on sclerosis layer has mute light structure, the lower surface is equipped with dual cure glue film, silica gel layer in proper order and leaves the type layer, dual cure glue film is that the thermosetting surface is done and follow-up photocuring design is made again, just the thickness on sclerosis layer is less than the thickness of dual cure glue film.

2. The anti-glare protective film for the curved-surface mobile phone of claim 1, wherein an OCA optical adhesive layer and a PET optical film layer are sequentially arranged between the dual-curing adhesive layer and the silica gel layer from top to bottom.

3. The anti-glare protective film for the curved-surface mobile phone of claim 2, wherein the thickness of the OCA optical adhesive layer is 50-120 μm.

4. The anti-glare protective film for the curved mobile phone of claim 1, wherein the matte structure is a concave-convex structure.

5. The anti-glare protective film for curved mobile phones according to claim 1, wherein the hardened layer is a UV light cured layer.

6. The anti-glare protective film for the curved-surface mobile phone of claim 5, wherein the hardened layer has a plurality of particle structures therein, and a plurality of particle structures partially protrude from the surface of the hardened layer to form the matte structure.

7. The anti-glare protective film for curved mobile phones of claim 6, wherein the particle structure is spherical.

8. The anti-glare protective film for the curved-surface mobile phones according to claim 1, wherein the substrate layer is any one selected from a PET film layer, a TAC film layer and an SRF film layer.

9. The anti-glare protective film for the curved mobile phone of claim 1, wherein the thickness of the dual-cured adhesive layer is 30-80 μm.

10. The anti-glare protective film for the curved mobile phone of claim 1, wherein the dual-curing adhesive layer is made of aliphatic urethane acrylate.

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