CN215551640U

CN215551640U - Compound protection film of profile modeling curved surface

Info

Publication number: CN215551640U
Application number: CN202023223486.5U
Authority: CN
Inventors: 周品丽
Original assignee: Shenzhen Shengxinrui Adhesive Material Co ltd
Current assignee: Shenzhen Shengxinrui Adhesive Material Co ltd
Priority date: 2020-12-28
Filing date: 2020-12-28
Publication date: 2022-01-18
Anticipated expiration: 2030-12-28

Abstract

The utility model relates to the technical field of protective films, and discloses a compound protective film with a copying curved surface, which comprises a protective ring and a mobile phone film component arranged inside the protective ring; the mobile phone film component comprises a toughened substrate layer, a PET layer, an H/C layer and a protective film, wherein a protective ring is arranged at the edge of the toughened substrate layer, the PET layer is arranged on the top surface of the toughened substrate layer, the H/C layer is arranged on the top surface of the PET layer, the protective film is arranged on the top surface of the H/C layer, the protective ring is made of high-elasticity silica gel, the protective film has the effect of enabling the composite film to have a point buffering effect, the hardness of the protective film is 6H-8H, the thickness of the protective film is 40 mu m, the corners of the protective film are all arranged in an arc surface mode, the protective film has the effect of protecting the inner components of the composite film from being in direct contact with the outside, the thickness of the H/C layer is 2 mu m-2.5 mu m, and the protective film is used for protecting a mobile phone screen. The safety of the mobile phone screen is greatly improved through the arrangement of the composite membrane component.

Description

Compound protection film of profile modeling curved surface

Technical Field

The utility model relates to the technical field of protective films, in particular to a profile modeling curved surface composite protective film.

Background

The protective film is functionally intended to cover a layer of film over the physical object that we are protecting. Functional protective films such as an AR anti-reflection film, an AG frosted anti-reflection film, a mobile phone mirror film, an anti-peeping film, a high-definition anti-scratch film and the like are available on the world at present. The earliest origins. When the backlight of the main screen is turned off, the protective film plays a role of a mirror. When the backlight is turned on, characters and images can be normally displayed through the film.

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 become a general name of the screen protective film slowly, and the function of the protective film in the field of screen protective films is also five-flower eight-door. Electronic products such as computers, mobile phones, ipads and the like are rolled around the world and are almost popularized to each household, and in order to protect the screen surface of the electronic products, people often adopt a protective film to protect the screen at the first time.

The technology of the prior art of the profiling curved surface composite protective film in the market needs to be further improved, the protective film in the market at present does not fully protect the screen of the mobile phone, and the ideal requirements of people on the protective film cannot be met.

SUMMERY OF THE UTILITY MODEL

The utility model provides a profiling curved surface composite protective film, which solves the problems that in the using process in the prior art, the protective film in the current market cannot fully protect a mobile phone screen and cannot meet the ideal requirements of people on the protective film.

In order to solve the problems, the utility model adopts the following technical scheme: a compound protection film for a profile modeling curved surface comprises a protection ring and a mobile phone film component arranged in the protection ring;

the mobile phone film assembly comprises a toughened substrate layer, a PET layer, an H/C layer and a protective film, wherein the protective ring is arranged on the edge of the toughened substrate layer, the PET layer is arranged on the top surface of the toughened substrate layer, the H/C layer is arranged on the top surface of the PET layer, and the protective film is arranged on the top surface of the H/C layer.

Preferably, the material for manufacturing the protective ring is silica gel with high elasticity.

Preferably, the hardness of the protective film is 6H-8H, the thickness of the protective film is 40 μm, and corners of the protective film are all provided with cambered surfaces.

Preferably, the thickness of the H/C layer is 2-2.5 μm.

Preferably, the thickness of the PET layer is 45 μm.

Preferably, the toughened substrate layer is a hardened layer, and the thickness of the H/C layer is 1.5-2.5 μm.

Preferably, the tempered substrate layer is bonded with the PET layer through an OCA, the PET layer is bonded with the H/C layer through the OCA, the H/C layer is bonded with the protective film through the OCA, the OCA is a layer of optically transparent double-sided adhesive tape, and the thickness of the OCA is 6 to 8 μm.

The utility model has the advantages that the mobile phone has a little buffer effect when receiving impact through the arrangement of the protective ring, the protective film has extremely good scratch-proof and abrasion-proof effects through the arrangement of the toughened substrate layer, scratches are rarely seen on the protective film, the protective effect and definition of the screen are increased, the protective film has the characteristics of water repellency, high temperature resistance, high strength and the like through the arrangement of the PET layer, the H/C layer is specifically a hardened layer and protects the mobile phone screen, and the internal components are protected from being directly contacted with the outside through the arrangement of the protective film.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a schematic side view of an interior of a contoured surface composite protective film according to the present invention;

fig. 2 is a schematic top view of a contoured surface composite protective film according to the present invention.

The reference numbers in the figures illustrate: 1. a guard ring; 2. toughening the substrate layer; 3. a PET layer; 4. an H/C layer; 5. a protective layer; 6. and (4) OCA.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-2, the compound protection film with the profiling curved surface comprises a protection ring 1 and a mobile phone film component arranged inside the protection ring 1;

the mobile phone film assembly comprises a toughened substrate layer 2, a PET layer 3, an H/C layer 4 and a protective film 5, wherein a protective ring 1 is arranged on the edge of the toughened substrate layer 2, the PET layer 3 is arranged on the top surface of the toughened substrate layer 2, the H/C layer 4 is arranged on the top surface of the PET layer 3, and the protective film 5 is arranged on the top surface of the H/C layer 4.

The protective ring 1 is made of high-elasticity silica gel, and the composite membrane has a little buffer effect.

The hardness of the protective film 5 is 6H-8H, the thickness of the protective film 5 is 40 microns, and corners of the protective film 5 are all arranged in a cambered surface mode and have the function of protecting the inner part of the composite film and avoiding direct contact with the outside.

Wherein, the thickness of the H/C layer 4 is 2-2.5 μm, and the H/C layer is used for protecting the screen of the mobile phone.

The PET layer 3 has a thickness of 45 μm, and is effective in imparting water repellency and high temperature resistance to the composite film.

Wherein, the toughened substrate layer 2 is a hardened layer, the thickness of the H/C layer 4 is 1.5-2.5 μm, and the composite film has the functions of scratch resistance and abrasion resistance.

The toughened substrate layer 2 is bonded and connected with the PET layer 3 through OCA6, the PET layer 3 is bonded and connected with the H/C layer 4 through OCA6, the H/C layer 4 is bonded and connected with the protective film 5 through OCA6, the OCA6 is a layer of optically transparent double-sided adhesive, the thickness of the OCA6 is 6-8 mu m, and the connection between the protective layers is more stable.

Working principle;

after the four-layer structure is compounded to form an integral film, a curved surface film is processed and manufactured by utilizing a hardware mould for synchronously punching a positioning hole and a hot pressing radian, and the shape is punched by a profiling blank mould, so that the curved surface protective film is produced in quantity, the screen is comprehensively covered, when the mobile phone is subjected to instant impact force, the force can be rapidly transmitted to the whole plane, the mobile phone has a little buffer effect when receiving impact through the arrangement of a protective ring 1, the protective film has extremely good scratch and abrasion preventing effects through the arrangement of a toughened substrate layer 2, scratches are rarely seen on the protective film, the protective effect and the definition of the screen are increased, the protective film has the characteristics of water repellency, high temperature resistance, high strength and the like through the arrangement of a PET layer 3, an H/C layer 4 is specifically a hardened layer to protect the screen of the mobile phone, and through the arrangement of a protective film 5, protecting the internal components from direct contact with the outside.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.

Claims

1. The compound protection film for the profile modeling curved surface is characterized by comprising a protection ring (1) and a mobile phone film component arranged in the protection ring (1);

cell-phone membrane module includes tempering substrate layer (2), PET layer (3), H/C layer (4) and protection film (5), guard ring (1) sets up tempering substrate layer (2) edge, set up on tempering substrate layer (2) top surface PET layer (3), set up on PET layer (3) top surface H/C layer (4), set up on H/C layer (4) top surface protection film (5).

2. The compound protection film for a contoured surface as claimed in claim 1, wherein the material of the protection ring (1) is silica gel with high elasticity.

3. The composite protective film for the contoured surface according to claim 1, wherein the hardness of the protective film (5) is 6H-8H, the thickness of the protective film (5) is 40 μm, and corners of the protective film (5) are provided with cambered surfaces.

4. The contoured composite protective film according to claim 1, wherein the H/C layer (4) has a thickness of 2 μm to 2.5 μm.

5. A contoured surface composite protective film according to claim 1, characterized in that said PET layer (3) has a thickness of 45 μm.

6. The contoured composite protective film according to claim 1, wherein the tempered substrate layer (2) is a hardened layer, and the H/C layer (4) has a thickness of 1.5 μm to 2.5 μm.

7. The contoured surface composite protective film according to claim 1, wherein the toughened substrate layer (2) and the PET layer (3) are bonded and connected through OCA (6), the PET layer (3) and the H/C layer (4) are bonded and connected through OCA (6), the H/C layer (4) and the protective film (5) are bonded and connected through OCA (6), the OCA (6) is a layer of optically transparent double-sided adhesive, and the thickness of the OCA (6) is 6-8 μm.