Mobile phone peep-proof protective film

The mobile phone privacy protection film with a multi-layer structure design solves the problems of viewing angle limitation and low light transmittance in the existing technology, provides high privacy protection, good light transmittance and anti-reflection performance, and enhances user experience.

CN223422608UActive Publication Date: 2025-10-10DONGGUAN HANSHENG TECHNOLOGY CO LTD
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Patent Information

Application Number
CN202422637595.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-10-31
Publication Date
2025-10-10
Estimated Expiration
2034-10-31

AI Technical Summary

Technical Problem

Existing mobile phone anti-peeping technology has large viewing angle limitations, low light transmittance and high cost, which affects the normal viewing experience. It also has a complex structure and is not conducive to large-scale promotion.

Method used

It adopts a multi-layer structure design, including a base layer, a microlens array layer, a polarization layer, an anti-reflection layer and a hardening layer, combined with an ambient light sensing layer and self-healing materials, to provide high privacy protection, good light transmittance and anti-reflection performance.

Benefits of technology

It achieves high privacy protection, maintains good light transmittance and anti-reflection performance, improves user viewing comfort, durability and easy installation, prevents warping, and reduces visual fatigue and screen damage.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a mobile phone peep-proof protective film, which relates to the technical field of peep-proof films and comprises a peep-proof film body, the peep-proof film body comprises a base layer, a first microlens array layer is arranged below the base layer, a first polarization layer is arranged below the first microlens array layer, and a second microlens array layer is arranged below the first polarization layer. A second polarization layer is arranged below the second microlens vibration layer, an anti-reflection layer is arranged below the second polarization layer, a hardening layer is arranged below the anti-reflection layer, and an adhesive layer is arranged below the hardening layer. The peep-proof protective film for the mobile phone is of a multi-layer structure, high privacy protection is provided, other people are prevented from peeping at screen content from the side face, good light transmission and reflection resistance are kept, and comfortable watching experience under different illumination conditions is ensured. The durability and the anti-scraping performance of the mobile phone cover can effectively resist scraping of sharp objects, and the mobile phone screen is protected from being damaged.
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Description

Technical Field

[0001] The utility model relates to the technical field of anti-peep films, in particular to an anti-peep protective film for a mobile phone. Background Art

[0002] With the increasing prevalence of smartphones in our daily lives, people are increasingly concerned about protecting the privacy of their phone screens. Traditional phone screen protectors primarily focus on scratch resistance and reducing glare, but their ability to prevent onlookers from viewing the screen content is relatively limited. Therefore, the development of a new type of phone privacy screen protector that not only provides basic screen protection but also effectively prevents onlookers from viewing the screen from the side has significant market demand and application value.

[0003] Existing mobile phone privacy protection technologies primarily utilize blind-style micro-polarizer arrays. While this technology can prevent side-viewing to a certain extent, it still suffers from significant viewing angle limitations and low light transmittance, impacting the viewing experience. Furthermore, these designs are often complex and costly, hindering large-scale adoption. Utility Model Content

[0004] The purpose of the present invention is to provide a mobile phone privacy film to solve the problems raised in the above background technology.

[0005] To achieve the above objectives, the present invention provides the following technical solutions:

[0006] A mobile phone privacy film includes a privacy film body, the privacy film body including a base layer, a first microlens array layer disposed below the base layer, a first polarizing layer disposed below the first microlens array layer, a second microlens array layer disposed below the first polarizing layer, a second polarizing layer disposed below the second microlens array layer, an anti-reflection layer disposed below the second polarizing layer, a hardening layer disposed below the anti-reflection layer, and an adhesive layer disposed below the hardening layer.

[0007] According to a preferred technical solution, the four corners of the privacy film body are provided with anti-warping corners.

[0008] According to a preferred technical solution, the base layer is a highly transparent and tough polymer material.

[0009] According to a preferred technical solution, a protective sheet is provided at the bottom of the privacy film body.

[0010] According to a preferred technical solution, an ambient light sensing layer is provided between the base layer and the first microlens array layer, and a self-healing material layer is provided between the hardening layer and the adhesive layer.

[0011] According to a preferred technical solution, an anti-fingerprint layer is provided between the hardening layer and the reflective layer, and the anti-fingerprint layer is made of nano-scale material.

[0012] Compared with the prior art, the beneficial effects of the present invention are:

[0013] 1. High privacy protection: The phone's privacy screen protector's unique multi-layer structure effectively prevents onlookers from viewing the screen from the side. The combination of a microlens array layer and a polarizing layer limits the angle of light propagation, ensuring that only the user facing the screen can clearly see the content, providing enhanced privacy protection.

[0014] 2. Good light transmittance: Despite the added anti-peeping function, the protective film still maintains a high light transmittance. Through the precisely designed micro-lens array and polarization layer, it can achieve an effective anti-peeping effect without affecting the normal viewing experience.

[0015] 3. Anti-reflective performance: The anti-reflective layer in the protective film can significantly reduce screen reflections and improve visibility in various lighting conditions. This not only improves user viewing comfort, but also helps protect the user's eyes and reduce visual fatigue caused by prolonged mobile phone use.

[0016] 4. Durability and Scratch Resistance: The hardened layer provides additional anti-scratch protection, making the protective film surface more durable. Even in daily use, it can effectively protect the phone screen from scratches from sharp objects such as keys and coins.

[0017] 5. Easy to install and maintain: The adhesive layer makes it easy to attach the protective film to the phone screen without causing bubbles. In addition, the smooth surface of the protective film is not easily stained with fingerprints and oil, and it is also very easy to clean.

[0018] 6. Anti-warping edge: It can prevent the object from being squeezed against the edge when the mobile phone is put into pockets or other places, causing the anti-peep film to warp or fall off.

[0019] 7. Improve cleanliness and ease of maintenance: The anti-fingerprint coating uses nano-level materials that can effectively resist the adhesion of fingerprints and oil stains, so that users do not need to wipe frequently during daily use, keeping the screen clear and transparent.

[0020] 8. Intelligent brightness adjustment: The ambient light sensing layer can automatically adjust the screen brightness according to the external light intensity, so that the screen can maintain optimal readability and comfort in different environments.

[0021] In summary, the mobile phone privacy screen protector, with its unique multi-layer structure, not only provides high privacy protection, preventing onlookers from viewing the screen from the side, but also maintains excellent light transmittance and anti-reflection properties, ensuring comfortable viewing in various lighting conditions. Furthermore, its durability and scratch resistance make it effectively resistant to sharp objects during daily use, protecting the phone screen from damage. Furthermore, its easy installation and maintenance, as well as its anti-warping design, further enhance the user experience, making this screen protector an ideal choice for mobile phone users. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 This is a schematic diagram of the structure of the utility model;

[0023] Figure 2 This is a schematic diagram of the structure of the privacy film of the utility model;

[0024] Figure 3 This is a schematic diagram of the anti-warping structure of the utility model;

[0025] In the figure: 1 privacy film body, 2 base layer, 3 first microlens array layer, 4 first polarizing layer, 5 second microlens array layer, 6 second polarizing layer, 7 anti-reflection layer, 8 hardening layer, 9 adhesive layer, 10 anti-warping layer, 11 protective sheet, 12 ambient light sensing layer, 13 self-healing material layer, 14 anti-fingerprint layer. DETAILED DESCRIPTION

[0026] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0027] See also Figures 1 to 3 A mobile phone privacy film is provided, comprising a privacy film body 1, comprising a base layer 2, a first microlens array layer 3 disposed below the base layer 2, a first polarizing layer 4 disposed below the first microlens array layer 3, a second microlens array layer 5 disposed below the first polarizing layer 4, a second polarizing layer 6 disposed below the second microlens array layer 5, an anti-reflection layer 7 disposed below the second polarizing layer 6, a hardening layer 8 disposed below the anti-reflection layer 7, and an adhesive layer 9 disposed below the hardening layer 8.

[0028] The four corners of the privacy film body 1 are equipped with anti-warping edges 10. The base layer 2 is made of a highly transparent, high-toughness polymer material. A protective sheet 11 is installed at the bottom of the privacy film body 1. An ambient light sensing layer 12 is installed between the base layer 2 and the first microlens array layer 3. A self-healing material layer 13 is installed between the hardening layer 8 and the adhesive layer 9. An anti-fingerprint layer 14 is installed between the hardening layer 8 and the reflective layer 7. This anti-fingerprint layer 14 is made of a nano-scale material.

[0029] In this embodiment, the base layer 2, made of a highly transparent, high-toughness polymer material, serves as the foundational structure of the entire protective film, ensuring both light transmittance and durability. The first microlens array layer 3, disposed beneath the base layer 1, consists of a series of tiny lenses that restrict the angle of light propagation, preventing side peeks. The first polarizing layer 4, disposed beneath the first microlens array layer 3, further restricts the direction of light propagation, enhancing the anti-peeping effect. The second microlens array layer 5, disposed beneath the first polarizing layer 4, works in conjunction with the first microlens array layer 3 to further optimize the light propagation path and improve anti-peeping performance. The second polarizing layer 6, disposed beneath the second microlens array layer 5, further restricts the direction of light propagation, ensuring that only users facing the screen can clearly see the content. The anti-reflection layer 7, disposed beneath the second polarizing layer 6, significantly reduces screen reflections, improving visibility in various lighting conditions and protecting the user's eyes. The hardening layer 8, disposed beneath the anti-reflection layer 7, provides additional scratch protection, making the protective film surface more durable. The adhesive layer 9 is arranged below the hardening layer 8 and is used to firmly adhere the protective film to the mobile phone screen to prevent bubbles from being generated.

[0030] The four corners of the anti-peep film body 1 are provided with anti-warping edges 10 to prevent warping. The base layer 2 is a highly transparent and tough polymer material. A protective sheet 11 is provided at the bottom of the anti-peep film body 1 to protect the unused anti-peep protective film. An ambient light sensing layer 12 is provided between the base layer 2 and the first microlens array layer 3, which can automatically adjust the screen brightness according to the external light intensity, reduce eye fatigue and save power. A self-healing material layer 13 is provided between the hardening layer 8 and the adhesive layer 9, which can automatically repair under specific conditions. An anti-fingerprint layer 14 is provided between the hardening layer 8 and the reflective layer 7. The anti-fingerprint layer 14 is a nano-scale material that can effectively resist the adhesion of fingerprints and oil stains.

[0031] Before use, first clean the phone screen, ensuring it's free of dust and stains. Prepare the privacy screen protector by removing the protective sheet on the back of the screen protector to expose the adhesive layer. Align the privacy screen protector with the four corners of the phone screen, ensuring it's positioned correctly. Slowly apply the screen protector, gently pressing from the center outward to release any air bubbles. Use a dedicated screen protector tool to help it adhere smoothly, ensuring there are no bubbles or wrinkles. After applying the screen protector, carefully inspect it for bubbles or wrinkles and reapply if necessary. Ensure the screen protector's anti-warping edges are properly adhered to prevent warping.

[0032] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A mobile phone anti-peep protective film, comprising an anti-peep film body (1), characterized in that: The privacy film body (1) comprises a base layer (2), a first microlens array layer (3) is provided below the base layer (2), a first polarization layer (4) is provided below the first microlens array layer (3), a second microlens array layer (5) is provided below the first polarization layer (4), a second polarization layer (6) is provided below the second microlens array layer (5), an anti-reflection layer (7) is provided below the second polarization layer (6), a hardening layer (8) is provided below the anti-reflection layer (7), and an adhesive layer (9) is provided below the hardening layer (8).

2. The mobile phone privacy film according to claim 1, characterized in that: Anti-warping edges (10) are provided at the four corners of the privacy film body (1).

3. The mobile phone privacy film according to claim 1, characterized in that: The base layer (2) is a highly transparent and highly tough polymer material.

4. The mobile phone privacy film according to claim 1, characterized in that: A protective sheet (11) is provided at the bottom of the privacy film body (1).

5. The mobile phone privacy film according to claim 1, characterized in that: An ambient light sensing layer (12) is provided between the base layer (2) and the first microlens array layer (3), and a self-healing material layer (13) is provided between the hardening layer (8) and the adhesive layer (9).

6. The mobile phone privacy film according to claim 1, characterized in that: An anti-fingerprint layer (14) is provided between the hardening layer (8) and the reflective layer (7), and the anti-fingerprint layer (14) is a nano-scale material.