Glass cover plate structure capable of inhibiting internal reflection

By setting a bubble structure and surface coating inside the glass cover, changing the refraction angle of light and blocking the projection path, the interference problem of optical components caused by reflection and refraction inside the glass cover is solved, ensuring the normal operation of the optical components.

CN223320610UActive Publication Date: 2025-09-09KUNSHAN QIUTI PHOTOELECTRIC TECH CO LTD
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Patent Information

Application Number
CN202422089441.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-08-27
Publication Date
2025-09-09
Estimated Expiration
2034-08-27

AI Technical Summary

Technical Problem

The internal reflection and light refraction problems of existing glass cover plates cause light interference between optical components, affecting working results, especially when multiple optical lenses share the same glass cover plate.

Method used

A bubble structure is set inside the glass cover to change the refraction angle of light, and an anti-reflective coating and a light-shielding layer are set on the surface of the cover. The bubble structure blocks the light projection path and reduces internal reflections, and the light-shielding layer reduces surface reflections to ensure the normal operation of optical components.

Benefits of technology

Effectively prevent light interference between optical components to ensure the normal operation of optical components, especially when multiple optical lenses share the same glass cover, reducing the impact of light reflection.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides a glass cover plate structure capable of inhibiting internal reflection. The glass cover plate structure comprises a glass cover plate body, a bubble structure is arranged in the glass cover plate body, an anti-reflection coating is arranged on the surface of the side, facing an optical component, of the glass cover plate body, and the bubble structure is used for changing the light refraction angle in the glass cover plate body and even blocking a light projection line in the light refraction angle. The bubble structure is arranged on the glass cover plate, so that when the glass cover plate covers more than two optical components, mutual interference of light rays among the optical components is prevented through the bubble structure to influence mutual work, in addition, the light rays, reflected to the optical components, on the glass cover plate are reduced through the anti-reflection coating, and normal work of the optical components is further ensured.
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Description

Technical Field

[0001] The utility model relates to the technical field of optical component cover plates, in particular to a glass cover plate structure capable of suppressing internal reflection. Background Art

[0002] Optical components of electronic products, such as optical lenses, often require glass cover plates to provide dustproof, waterproof, and light-transmitting properties. However, due to the characteristics of the glass cover plate, light will be reflected on both the surface and inside. The reflected light will have a significant impact on the optical components. The existing technology can solve the problem of surface reflection on the glass cover plate by coating, but it cannot improve the light reflection inside the glass cover plate. For example, light will be repeatedly reflected between the inner surface of the glass cover plate and the optical lens. When the reflected light falls on the optical lens, it is easy to form a reflection on the optical lens, thereby easily affecting the operation of the optical lens. Moreover, in some products, a glass cover plate will cover two or more optical lenses at the same time, such as a visible light camera and an infrared camera. When the two lenses are working at the same time, due to the refraction of light inside the glass cover plate, it is easy for the two lenses to interfere with each other in the working area of ​​the glass cover plate, thereby affecting the operation of the two lenses.

[0003] Therefore, it is necessary to provide a technical solution that can prevent light reflection from occurring inside the glass cover of the optical component. Utility Model Content

[0004] The utility model proposes a glass cover structure capable of suppressing internal reflections, so as to solve the problems of existing glass cover reflecting light onto optical components and affecting their operation, and light refraction inside the glass cover causing light interference between multiple optical components and affecting their mutual operation.

[0005] The technical solution adopted by the utility model is as follows: a glass cover plate structure capable of suppressing internal reflections, comprising a glass cover plate body; a bubble structure is provided in the glass cover plate body, the bubble structure being used to change the refraction angle of light inside the glass cover plate body; an anti-reflective coating is provided on a surface of the glass cover plate body on a side facing the optical component, the anti-reflective coating being used to prevent light on the glass cover plate body from being reflected onto the optical component.

[0006] In one embodiment, a light shielding layer is provided on a surface of the glass cover body away from the optical component, and the light shielding layer has at least two through holes, each of the through holes corresponding to an optical component.

[0007] In one embodiment, at least two bubble structures are disposed inside the glass cover body, and each bubble structure corresponds to one through hole.

[0008] In one embodiment, the bubble structure is located below the light shielding layer, and the bubble structure is annular and disposed around the through hole.

[0009] In one embodiment, the light shielding layer is configured as a black ink coating.

[0010] In one embodiment, a protective layer is provided on the surface of the light-shielding layer, and the protective layer is used to prevent the surface of the glass cover body from being scratched.

[0011] In one embodiment, the protective layer is configured as an AR film.

[0012] In one embodiment, the anti-reflective coating includes a magnesium fluoride material coating and a silicon dioxide material coating; the magnesium fluoride material coating is arranged on the side surface of the glass cover body facing the optical component, and the silicon dioxide material coating is arranged on the side surface of the magnesium fluoride material coating facing the optical component.

[0013] In one embodiment, the bubble structure is formed by high-temperature laser sintering of the glass cover plate body.

[0014] In one embodiment, the glass cover body is configured to be tempered glass.

[0015] In one embodiment, the bubble structure is located in the middle of the glass cover body and between the two through holes.

[0016] The beneficial effects of the utility model are:

[0017] The glass cover plate structure capable of suppressing internal reflections disclosed herein comprises a glass cover plate body; a bubble structure is provided within the glass cover plate body, and an anti-reflective coating is provided on the surface of the glass cover plate body on the side facing the optical component, wherein the bubble structure is used to change the refraction angle of light inside the glass cover plate body, or even to block the projection path of light. Thus, the bubble structure ensures that when the glass cover plate covers two or more optical components, light between the optical components is prevented from interfering with each other and affecting their operation. In addition, the anti-reflective coating is used in the present application to reduce the light reflected from the glass cover plate to the optical components, thereby further ensuring the normal operation of the optical components. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the following specific embodiments, they are used to explain the present invention but should not be construed as limiting the present invention. In the accompanying drawings:

[0019] Figure 1This is a structural schematic diagram of a glass cover structure capable of suppressing internal reflections according to an embodiment of the present invention;

[0020] Figure 2 This is a structural schematic diagram of a glass cover structure capable of suppressing internal reflections from another perspective according to an embodiment of the present invention;

[0021] Figure 3 This is a side view of a glass cover structure capable of suppressing internal reflections according to an embodiment of the present invention;

[0022] Figure 4 for Figure 3 The cross-sectional view at A-A of ;

[0023] Figure 5 for Figure 3 Cross-sectional view at B-B.

[0024] Description of the accompanying drawings: 1. Glass cover plate body; 101. Working area; 2. Black ink coating;

[0025] 201. Through hole; 3. Bubble structure. DETAILED DESCRIPTION

[0026] The following is a detailed description of the specific embodiments of the present invention in conjunction with the accompanying drawings. It should be understood that the specific embodiments described herein are only used to illustrate and explain the present invention and are not intended to limit the present invention.

[0027] To facilitate understanding by those skilled in the art, the present application describes the specific implementation process of the technical solution provided by the present application through the following embodiments.

[0028] See also Figure 1 - Figure 5 The present embodiment provides a glass cover structure capable of suppressing internal reflections, comprising a glass cover body 1; a bubble structure 3 is provided within the glass cover body 1; and an anti-reflective coating is provided on the surface of the glass cover body 1 on the side facing the optical component. The bubble structure 3 is used to change the refraction angle of light within the glass cover body 1, or even to block the projection path of light. Thus, the bubble structure 3 ensures that when the glass cover covers two or more optical components, light between the optical components is prevented from interfering with each other and affecting their operation. In addition, the present application uses the anti-reflective coating to reduce the light reflected from the glass cover to the optical components, thereby further ensuring the normal operation of the optical components.

[0029] Specifically, the glass cover plate body 1 is constructed of tempered glass. During the production process, the laser engraving focus is controlled to focus on the middle layer of the glass cover plate. This allows the laser to sinter the corresponding locations of the glass cover plate at high temperatures, thereby forming a bubble structure 3 within the glass cover plate. When light is reflected multiple times within the glass cover plate, its angle is altered after passing through the bubble structure 3, thereby terminating the light's reflection within the glass cover plate and preventing multiple optical components from interfering with each other by sharing the glass cover plate.

[0030] For further information, see Figure 1 - Figure 5 A light-shielding layer is provided on the surface of the glass cover body 1 away from the optical component, and the light-shielding layer has at least two through holes 201, and each through hole 201 corresponds to an optical component; wherein, after the glass cover is installed, the side with the light-shielding layer faces the outside, and the light-shielding layer reduces the surface reflection of the glass cover, while the side of the glass cover with the anti-reflective coating faces the optical component, and the optical component corresponds to the through holes 201 of the light-shielding layer. The glass cover achieves a light-transmitting effect through the through holes 201 on the light-shielding layer, allowing the optical component to work normally at the through holes 201, and the anti-reflective coating reduces the light reflected from the glass cover to the optical component, ensuring its normal operation.

[0031] For further information, see Figure 1 - Figure 5 At least two bubble structures 3 are provided within the glass cover body 1, each bubble structure 3 corresponding to a through hole 201. Specifically, the area of ​​the glass cover corresponding to the through hole 201 is the working area 101. The working area 101 corresponds to the optical component, allowing the optical component to transmit light and operate stably. The bubble structures 3 are located below the light-shielding layer and are annular and arranged around the working area 101, that is, the light-shielding layer covers the bubble structures 3. At the same time, in this embodiment, the light-shielding layer is provided as a black ink coating 2. The black ink coating 2 reduces the surface reflection of the glass cover and covers the bubble structures 3, thereby reducing the amount of light entering the bubble structures 3.

[0032] In another embodiment, the bubble structure is located in the middle of the glass cover body 1 and between the two through holes 201. Specifically, the bubble structure is generally square, and its edge extends to the side of the glass cover body 1. The bubble structure is located between the two through holes 201 and is used to change the light refraction angle between the two through holes 201, thereby changing the light refraction angle inside the glass cover body 1, and even blocking the projection path of the light, thereby preventing the light between the optical components from interfering with each other and affecting their operation.

[0033] Furthermore, a protective layer is provided on the surface of the light-shielding layer. Specifically, the protective layer is provided as an AR film, which covers the surface of the black ink coating 2 to prevent the surface of the glass cover body 1 from being scratched, thereby causing scratches to affect the operation of the optical components, and to protect the black ink coating 2 through the protective layer to prevent it from being damaged.

[0034] Furthermore, the anti-reflective coating includes a magnesium fluoride material coating and a silicon dioxide material coating; the magnesium fluoride material coating is arranged on the side surface of the glass cover body 1 facing the optical component, and the silicon dioxide material coating is arranged on the side surface of the magnesium fluoride material coating facing the optical component; wherein, by combining the magnesium fluoride material coating and the silicon dioxide material coating, the light transmittance on the glass cover is improved and the light reflectivity on the glass cover is reduced.

[0035] Compared with existing technologies:

[0036] The glass cover structure capable of suppressing internal reflections of the present application includes a glass cover body 1; a bubble structure 3 is provided inside the glass cover body 1, and an anti-reflective coating is provided on the surface of the glass cover body 1 on the side facing the optical component, wherein the bubble structure 3 is used to change the refraction angle of light inside the glass cover body 1, and even block the projection path of light. Thus, the bubble structure 3 ensures that when the glass cover covers more than two optical components, the light between the optical components is prevented from interfering with each other and affecting their operation. In addition, the present application reduces the light reflected from the glass cover to the optical components through the anti-reflective coating, thereby further ensuring the normal operation of the optical components.

[0037] As long as it does not violate the creative idea of ​​the present invention, any combination of various different embodiments of the present invention should be regarded as the content disclosed by the present invention; within the technical concept of the present invention, any simple modification of the technical solution and any combination of different embodiments that do not violate the creative idea of ​​the present invention should be within the protection scope of the present invention.

Claims

1. A glass cover structure capable of suppressing internal reflection, characterized in that: The invention comprises a glass cover body; a bubble structure is provided in the glass cover body, and the bubble structure is used to change the refraction angle of light inside the glass cover body; an anti-reflective coating is provided on the side of the glass cover body facing the optical component, and the anti-reflective coating is used to prevent light on the glass cover body from being reflected onto the optical component.

2. The glass cover structure capable of suppressing internal reflection according to claim 1, wherein: A light shielding layer is provided on the surface of the glass cover plate body away from the optical component, and the light shielding layer has at least two through holes, and each of the through holes corresponds to an optical component.

3. The glass cover structure capable of suppressing internal reflection according to claim 2, wherein: At least two bubble structures are arranged inside the glass cover body, and each bubble structure corresponds to one through hole.

4. The glass cover structure capable of suppressing internal reflection according to claim 2 or 3, characterized in that: The bubble structure is located below the light shielding layer, and the bubble structure is annular and arranged around the through hole.

5. The glass cover structure capable of suppressing internal reflection according to claim 2, wherein: The light-shielding layer is configured as a black ink coating.

6. The glass cover structure capable of suppressing internal reflection according to claim 2, wherein: A protective layer is provided on the surface of the light-shielding layer, and the protective layer is used to prevent the surface of the glass cover body from being scratched.

7. The glass cover structure capable of suppressing internal reflection according to claim 6, wherein: The protective layer is configured as an AR film.

8. The glass cover structure capable of suppressing internal reflection according to claim 1, wherein: The anti-reflective coating includes a magnesium fluoride material coating and a silicon dioxide material coating; the magnesium fluoride material coating is arranged on the side surface of the glass cover body facing the optical component, and the silicon dioxide material coating is arranged on the side surface of the magnesium fluoride material coating facing the optical component.

9. The glass cover structure capable of suppressing internal reflection according to claim 1, wherein: The glass cover plate body is sintered at high temperature by laser to form the bubble structure.

10. The glass cover structure capable of suppressing internal reflection according to claim 2, wherein: The bubble structure is located in the middle of the glass cover body and between the two through holes.