A novel protective film structure

Abstract

The utility model relates to electronic product protection film technical field especially novel protection film structure, including film main part, the bottom of film main part is covered with the release layer, the film main part includes base layer, the top of base layer is covered and is connected with surface layer, the outer surface of surface layer is covered with scratch -resistant coating and oil -repellent coating in proper order, the bottom of base layer is covered and is connected with buffer layer, the inside of buffer layer is provided with honeycomb cavity, the bottom of buffer layer is covered and is connected with adhesive layer, the lower surface of adhesive layer is provided with micro -convex point, the left side of release layer front side is fixedly connected with the handle piece. The micro -convex point of adhesive layer lower surface can reduce the contact area when fitting, help air to discharge fast, effectively solve the bubble problem, the honeycomb cavity of buffer layer can disperse external impact force (such as the impact force when falling), avoid protection film rupture, effective protection protected piece.

Description

Technical Field

[0001] This utility model relates to the field of electronic product protective film technology, specifically a novel protective film structure. Background Technology

[0002] Electronic products are products that use electricity as their working basis, are composed of electronic components and circuits, and can perform specific functions. They cover multiple fields such as communication, audio-visual, computers, office, and wearable devices. Electronic screen protectors are thin films used to protect the screens of communication electronic products, such as mobile phones, computers, and other electronic devices.

[0003] A search revealed that the announcement number is CN222539126U, entitled "A Screen Protective Film Structure," which includes a main area, a clearance area, and an adjustment area. The main area is configured to be attached to the screen. Through research and analysis, it was found that although the screen protective film structure of this utility model can reduce the deformation of the protective film caused by the clearance during the film application process and improve the flatness of the protective film, it still has the following defects to a certain extent.

[0004] For example, if the impact resistance is poor, when the protected part (such as a mobile phone screen) is dropped, a single base layer cannot disperse the impact force, which can easily lead to the protective film breaking and the protected part being damaged. When it is bonded to the surface of the protected part, it cannot quickly expel air, and the residual air bubbles will affect the visual effect and bonding stability. In order to solve the above technical problems, we have designed a new type of protective film structure. Utility Model Content

[0005] The purpose of this utility model is to provide a novel protective film structure that has the advantages of further improving impact resistance, providing cushioning protection to prevent damage to the protective components, facilitating and quickly expelling air, solving the problem of air bubbles, and improving bonding stability. It solves the problems of poor impact resistance, inability to cushion and protect the protective components from damage when dropped, inability to quickly expel bonding air, and affecting visual effect and bonding stability.

[0006] To achieve the above objectives, this utility model provides the following technical solution: a novel protective film structure, comprising a film body, the bottom of which is covered with a release layer, the film body comprising a base layer, the top of which is covered with a surface layer, the outer surface of which is sequentially covered with an anti-scratch coating and an oleophobic coating, the bottom of which is covered with a buffer layer, the buffer layer having honeycomb-shaped cavities inside, the bottom of which is covered with an adhesive layer, and the lower surface of which is provided with micro-protrusions.

[0007] Preferably, a handle piece is fixedly connected to the left side of the front side of the release layer, and the release layer is made of release paper with a thickness of 0.08mm.

[0008] Preferably, the surface layer 7 is made of transparent PET material with a thickness of 0.1-0.2mm, and the base layer is made of rigid PC material with a thickness of 0.15-0.25mm.

[0009] Preferably, the buffer layer is made of elastic TPU material with a thickness of 0.08-0.12mm, and the cavity diameter of the honeycomb cavity is 0.1-0.15mm.

[0010] Preferably, the adhesive layer is acrylic pressure-sensitive adhesive with a thickness of 0.03-0.05 mm, and the micro-bumps have a bump height of 0.01 mm, a diameter of 0.02 mm, and a spacing of 0.05 mm.

[0011] Preferably, the scratch-resistant coating is a transparent hardened layer formed by ultraviolet-curing resin with a thickness of 5-10 μm, and the oleophobic coating is a fluorine-based coating with a thickness of 0.1-0.5 μm, applied over the scratch-resistant coating.

[0012] Compared with the prior art, the beneficial effects of this utility model are as follows: The micro-protrusions on the underside of the adhesive layer reduce the contact area during bonding, helping air to escape quickly and effectively solving the problem of air bubbles.

[0013] The honeycomb-shaped cavities of the buffer layer can disperse external impact forces (such as the impact force when falling), prevent the protective film from breaking, and effectively protect the protected component.

[0014] By setting an anti-scratch coating, it effectively resists scratches from hard objects, protecting the substrate layer and the screen itself, and extending the lifespan of the protective film. By setting an oleophobic coating, it provides hydrophobic, oleophobic, and fingerprint-resistant functions, making it difficult for users' sweat and oil stains to adhere, easy to clean, and providing a smooth touch experience. Attached Figure Description

[0015] Figure 1 This is an axonometric view of the structure of this utility model; Figure 2 This is an exploded view of the membrane body and release layer of this utility model; Figure 3 This is a cross-sectional axonometric view of the buffer layer of this utility model; Figure 4 This is a bottom axonometric view of the adhesive layer of this utility model.

[0016] In the diagram: 1. Membrane body; 2. Release layer; 3. Handle sheet; 4. Anti-scratch coating; 5. Oleophobic coating; 6. Base layer; 7. Surface layer; 8. Buffer layer; 9. Adhesive layer; 10. Honeycomb cavity; 11. Micro-bumps. Detailed Implementation

[0017] Please see Figures 1-4A novel protective film structure includes a film body 1, a release layer 2 covering the bottom of the film body 1, a base layer 6, a surface layer 7 covering the top of the base layer 6, an anti-scratch coating 4 and an oleophobic coating 5 sequentially covering the outer surface of the surface layer 7, a buffer layer 8 covering the bottom of the base layer 6, a honeycomb cavity 10 disposed inside the buffer layer 8, an adhesive layer 9 covering the bottom of the buffer layer 8, and micro-protrusions 11 disposed on the lower surface of the adhesive layer 9. Please see Figure 1 A handle 3 is fixedly connected to the left side of the front side of the release layer 2. By setting the handle 3, the release layer 2 can be easily peeled off. The release layer 2 is made of release paper and has a thickness of 0.08mm. Please see Figure 2 The surface layer 7 is made of transparent PET material with a thickness of 0.1-0.2mm, and the base layer 6 is made of rigid PC material with a thickness of 0.15-0.25mm. The upper surface of the base layer 6 is fixedly connected to the surface layer 7 by hot pressing, and the lower surface is bonded to the buffer layer 8 by UV adhesive. Please see Figure 3 The buffer layer 8 is made of elastic TPU material with a thickness of 0.08-0.12mm. The honeycomb cavity 10 has a cavity diameter of 0.1-0.15mm and is formed by injection molding. Please see Figure 4 The adhesive layer 9 is made of acrylic pressure-sensitive adhesive with a thickness of 0.03-0.05mm. The micro-bumps 11 have a bump height of 0.01mm, a diameter of 0.02mm, and a spacing of 0.05mm. The micro-bumps 11 are formed by screen printing. Please see Figure 1 The scratch-resistant coating 4 is a transparent hardened layer formed by UV-curing resin, with a thickness of 5-10μm. By setting the scratch-resistant coating 4, it effectively resists scratches from hard objects, protects the substrate layer and the screen itself, and extends the service life of the protective film. The oleophobic coating 5 is a fluorine-based coating with a thickness of 0.1-0.5μm, which is applied over the scratch-resistant coating 4. By setting the oleophobic coating 5, it provides hydrophobic, oleophobic, and anti-fingerprint functions, making it difficult for users' sweat and oil stains to adhere, easy to clean, and providing a smooth touch experience.

[0018] When using, peel off the release layer 2, align the adhesive layer 9 with the phone screen, and press gently. The micro-protrusions 11 on the lower surface of the adhesive layer 9 can reduce the contact area during bonding, which helps air to escape quickly and effectively solves the problem of air bubbles. The honeycomb cavity 10 of the buffer layer 8 can disperse external impact forces (such as the impact force when falling) to prevent the protective film from breaking and effectively protect the protected part.

[0019] In summary, this novel protective film structure, through the combined use of anti-scratch coating 4, oleophobic coating 5, base layer 6, surface layer 7, buffer layer 8, adhesive layer 9, honeycomb cavity 10, and micro-protrusions 11, solves the problems of poor impact resistance, inability to buffer and protect the protective parts from easy damage upon drop, inability to quickly expel air during bonding, and impact on visual effect and bonding stability.

Claims

1. A novel protective membrane structure, comprising a membrane body (1), characterized in that: The bottom of the membrane body (1) is covered with a release layer (2). The membrane body (1) includes a base layer (6). The top of the base layer (6) is covered with a surface layer (7). The outer surface of the surface layer (7) is sequentially covered with an anti-scratch coating (4) and an oleophobic coating (5). The bottom of the base layer (6) is covered with a buffer layer (8). The buffer layer (8) has a honeycomb cavity (10) inside. The bottom of the buffer layer (8) is covered with an adhesive layer (9). The lower surface of the adhesive layer (9) has micro-protrusions (11).

2. The novel protective film structure according to claim 1, characterized in that: A handle piece (3) is fixedly connected to the left side of the front side of the release layer (2). The release layer (2) is made of release paper and has a thickness of 0.08 mm.

3. The novel protective film structure according to claim 1, characterized in that: The surface layer (7) is made of transparent PET material with a thickness of 0.1-0.2mm, and the base layer (6) is made of rigid PC material with a thickness of 0.15-0.25mm.

4. The novel protective film structure according to claim 1, characterized in that: The buffer layer (8) is made of elastic TPU material with a thickness of 0.08-0.12mm, and the cavity diameter of the honeycomb cavity (10) is 0.1-0.15mm.

5. The novel protective film structure according to claim 1, characterized in that: The adhesive layer (9) is an acrylic pressure-sensitive adhesive with a thickness of 0.03-0.05 mm. The micro-bumps (11) have a bump height of 0.01 mm, a diameter of 0.02 mm, and a spacing of 0.05 mm.

6. The novel protective film structure according to claim 1, characterized in that: The anti-scratch coating (4) is a transparent hardened layer formed by ultraviolet curing resin with a thickness of 5-10 μm. The oleophobic coating (5) is a fluorine coating with a thickness of 0.1-0.5 μm, which is applied over the anti-scratch coating (4).

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