Composite pet protection film structure for preventing dust from entering camera hole

Abstract

The utility model relates to full -laminating technical field especially a kind of composite PET protective film structure for preventing camera hole from entering dust, aiming at the problem that camera hole protective film is easy to enter dust and overflow glue in prior art, present and propose the following scheme, it includes: hole protective film body and the hole protective film tear tab connected with the hole protective film body;CG hole is set to glueless area and does gasket structure at position, the hole protective film body is glue area;The hole protective film tear tab is cut and forms half broken line connection structure near it.The utility model not only effectively solves the problem that camera hole is easy to enter dust, also reduces overflow glue, the phenomenon that intermediate bubble is generated, improves protection effect and product appearance quality, simultaneously, design half broken line connection structure near hole protective film tear tab, not only facilitate film pasting operation, but also soften the hardness of tear tab " neck " part, avoid collision to cause film to lift up and drop, enhance the stability of protective film structure.

Description

Technical Field

[0001] This utility model relates to the field of full lamination technology, and in particular to a composite PET protective film structure that prevents dust from entering the camera hole. Background Technology

[0002] In the production and use of electronic devices, the protection of displays, camera apertures, and IR apertures is crucial. Currently, most PET protective films used for electronic device displays have conventional structural designs, which have several shortcomings in protecting camera apertures and IR apertures. Existing CG camera aperture films, if designed in a square shape with no adhesive at the edges, are prone to problems such as dust entering at the edges, adhesive overflow, and air bubbles forming in the center. During assembly or use, some protective films, due to unreasonable structural design, are prone to being lifted and falling off after impact, affecting the protective effect. Simultaneously, the improper placement of the tear handle on some protective films leads to missed tears during customer assembly, thus affecting the normal functioning of the equipment. Furthermore, conventional protective films are difficult to cut to adapt to the large-scale production of different specifications, easily increasing the error rate during preparation and assembly, reducing the yield rate, and increasing production costs.

[0003] While existing technologies include PU adhesive protective films produced in a Class 1000 cleanroom environment with PET as the substrate, which have advantages such as no adhesive residue, low static electricity during tearing, and automatic de-bubbling, their design for dust prevention and structural stability of camera holes is still lacking. They cannot effectively solve the series of problems in the camera hole protection process and cannot meet the needs of high-precision protection and large-scale production of electronic equipment. Therefore, this solution proposes a composite PET protective film structure to prevent dust from entering the camera hole. Summary of the Invention

[0004] This invention proposes a composite PET protective film structure to prevent dust from entering the camera hole, which solves the problems of dust easily entering and adhesive overflow in the existing camera hole protective film.

[0005] To achieve the above objectives, the present invention adopts the following technical solution: A composite PET protective film structure for preventing dust from entering the camera aperture, comprising: A hole protective film tear handle connected to the hole protective film body; The location of the CG hole is set as a glue-free area and a gasket structure is made there, while the hole protective film body is a glue-containing area. The protective film with holes is cut near the tearing point to form a semi-broken wire connection structure.

[0006] The above technical solutions not only effectively solve the problem of dust easily entering the camera hole, but also reduce the phenomenon of glue overflow and air bubbles in the middle, improving the protective effect and product appearance quality. At the same time, the semi-broken line connection structure designed near the tear handle of the protective film not only facilitates the film application process, but also softens the hardness of the "neck" part of the tear handle, preventing the film from being lifted and falling off due to collision, thus enhancing the stability of the protective film structure.

[0007] As a further improvement to the above solution, the length and width of the hole protective film body are based on the position of the CG hole, and the width of the hole protective film body does not exceed the outer edge of the CG hole, and is recessed by more than 0.3mm relative to the outer shape of the CG hole. An empty area is provided on the hole protective film body at the position corresponding to the camera hole or IR hole, and the diameter of the empty area is 0.6mm larger on one side than the edge of the hole.

[0008] As a further improvement to the above solution, two white film alignment lines are provided on the back of the protective film body corresponding to the CG hole.

[0009] As a further improvement to the above solution, the size of the gasket structure is 0.6 mm larger on one side than the diameter of the printed hole.

[0010] As a further improvement to the above solution, the material of the pore protective film body is a composite structure of PET and PU antistatic adhesive, the thickness of the pore protective film body is T=0.06mm, and its adhesion is 10-25g.

[0011] As a further improvement to the above solution, the impedance value of the adhesive surface of the pore protective film is 10. 9 Up to 10 11 The tear-off voltage of the pore protective film is <300V; the light transmittance of the pore protective film is >88%.

[0012] As a further improvement to the above solution, the hole protective film tear handle is located on the outside of the hole protective film body, and the hole protective film tear handle is oriented towards the outside of the hole protective film body.

[0013] The above technical solution, with the protective film tear handle facing outwards, prevents the film from being missed during customer assembly, ensuring the normal operation of subsequent equipment assembly and use.

[0014] Compared with the prior art, the beneficial effects of this utility model are as follows: 1. By setting a glue-free area gasket structure at the CG hole position, and the size of the glue-free area gasket is 0.6mm larger on each side than the diameter of the printed hole, and at the same time, the protective film at the camera hole or IR hole position is designed with a void, the problem of dust easily entering the camera hole is effectively solved. In addition, the hole protective film body is designed with an adhesive area, combined with the void structure, to avoid direct contact between the protective film and the camera hole or IR hole, reduce the phenomenon of glue overflow and air bubbles in the middle, and improve the protection effect and product appearance quality.

[0015] 2. A semi-broken wire connection structure is designed near the tear handle of the protective film. This not only facilitates the film application process but also softens the rigidity of the "neck" of the tear handle, preventing the film from being lifted and falling off due to collisions, thus enhancing the stability of the protective film structure. At the same time, the tear handle is designed to face outwards, preventing missed tearing during customer assembly and ensuring the normal operation of subsequent equipment assembly and use. Attached Figure Description

[0016] Figure 1 This is a schematic diagram of the structure of the protective film body of this utility model when it is bonded together; Figure 2 A schematic diagram of the structure of the pore protective membrane body; Figure 3 This is a side view of the pore protective film body; Figure 4 This is a schematic diagram of a semi-broken wire connection structure.

[0017] Explanation of key symbols: 1. Hole protective film body; 2. Semi-broken wire connection structure; 3. Hole protective film tear handle; 4. Film alignment line; 5. Gasket structure. Detailed Implementation

[0018] The present invention will be further described below with reference to the accompanying drawings and specific embodiments. It should be noted that, without conflict, the various embodiments or technical features described below can be arbitrarily combined to form new embodiments.

[0019] Example 1

[0020] Please combine Figure 1 - Figure 4 This embodiment provides a composite PET protective film structure for preventing dust from entering the camera aperture, comprising: The pore protective film body 1 and the pore protective film tearing handle 3 connected to the pore protective film body 1; The CG hole is set as a glue-free area and a gasket structure is made. The size of the gasket structure 5 is 0.6mm larger on one side than the diameter of the printed hole. The design of the glue-free area gasket structure 5 can effectively prevent dust from entering the camera hole or IR hole.

[0021] The protective film body 1 has an adhesive area. The length and width of the protective film body 1 are based on the position of the CG hole, and the width of the protective film body 1 does not exceed the outer edge of the CG hole. It is also recessed by more than 0.3mm relative to the outer edge of the CG hole. The protective film body 1 has a clearance area at the position corresponding to the camera hole or IR hole, so that the protective film body 1 will not touch the camera hole or IR hole. The diameter of the clearance area is 0.6mm larger than the edge of the hole on each side. The protective film body has an adhesive area design. Combined with the clearance structure, it avoids direct contact between the protective film and the camera hole or IR hole, reduces the phenomenon of glue overflow and air bubbles in the middle, and improves the protection effect and product appearance quality.

[0022] The perforated protective film tear handle 3 is cut near the edge to form a semi-broken connection structure 2. This structure facilitates the film application process and softens the hardness of the tear handle's "neck" area, preventing the film from being lifted and falling off due to collision. In addition, from the rear view, the perforated protective film tear handle 3 is located on the outside of the perforated protective film body 1, and the direction of the perforated protective film tear handle 3 is facing outward from the perforated protective film body 1, which can effectively prevent the film from being missed when the customer is assembling the whole machine.

[0023] In this embodiment, two white film alignment lines 4 are provided on the back of the protective film body 1 corresponding to the CG hole. Together with the two white film alignment lines on the back of the CG, the protective film is accurately applied, reducing the error rate in the film application process. In addition, this structural design makes the product cutting performance better, which can adapt to the mass production of electronic devices of different specifications. While reducing the overall production cost, it improves the yield of preparation and assembly, meeting the needs of industrial production.

[0024] Example 2

[0025] Combination Figure 1 - Figure 4 This embodiment, based on Embodiment 1, further improves upon the following: the material of the pore protective film body 1 is a composite structure of PET and PU-based antistatic adhesive; the thickness of the pore protective film body 1 is T=0.06mm; its adhesion is 10-25g; and the impedance value of the adhesive surface of the pore protective film is 10. 9 Up to 10 11 The peel voltage of the perforated protective film is <300V; the light transmittance of the perforated protective film is >88%. The performance parameters of the protective film, such as thickness, adhesion, adhesive surface resistance, peel voltage, and light transmittance, have been optimized to give the protective film good anti-static properties, low adhesion, high light transmittance, and no adhesive residue. It can meet the usage requirements of electronic devices such as mobile phones, computers, and PDAs, especially in the application scenarios of ink and curved screen bonding, and has a wide range of applications.

[0026] The above embodiments are merely preferred embodiments of this utility model and should not be construed as limiting the scope of protection of this utility model. Any non-substantial changes and substitutions made by those skilled in the art based on this utility model shall fall within the scope of protection claimed by this utility model.

Claims

1. A composite PET protective film structure for preventing dust from entering the camera aperture, characterized in that, include: A pore protective film body (1) and a pore protective film tear handle (3) connected to the pore protective film body (1). The CG hole is set as a non-adhesive area and a gasket structure (5) is made there; the hole protective film body (1) is an adhesive area. The protective film with holes is cut near the tear handle (3) to form a semi-broken wire connection structure (2).

2. The composite PET protective film structure for preventing dust from entering the camera aperture according to claim 1, characterized in that, The length and width of the hole protective film body (1) are based on the position of the CG hole, and the width of the hole protective film body (1) does not exceed the outer edge of the CG hole, and is recessed by more than 0.3mm relative to the outer shape of the CG hole. The hole protective film body (1) is provided with an empty area at the position corresponding to the camera hole or IR hole, and the hole diameter of the empty area is 0.6mm larger than the hole edge on one side.

3. The composite PET protective film structure for preventing dust from entering the camera aperture according to claim 1, characterized in that, The back of the protective film body (1) has two white film alignment lines (4) corresponding to the CG hole.

4. The composite PET protective film structure for preventing dust from entering the camera aperture according to claim 1, characterized in that, The size of the gasket structure (5) is 0.6 mm larger on one side than the diameter of the printed hole.

5. The composite PET protective film structure for preventing dust from entering the camera aperture according to claim 1, characterized in that, The material of the pore protective film body (1) is a composite structure of PET and PU antistatic adhesive. The thickness of the pore protective film body (1) is T=0.06mm and its adhesion is 10-25g.

6. The composite PET protective film structure for preventing dust from entering the camera aperture according to claim 1, characterized in that, The impedance value of the adhesive surface of the pore protective film is 10. 9 Up to 10 11 The tear-off voltage of the pore protective film is <300V; the light transmittance of the pore protective film is >88%.

7. The composite PET protective film structure for preventing dust from entering the camera aperture according to claim 1, characterized in that, The hole protective film tear handle (3) is located on the outside of the hole protective film body (1), and the hole protective film tear handle (3) is oriented towards the outside of the hole protective film body (1).

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