Collimation peep-proof lens without light loss
By using a combination of a glass substrate arranged horizontally and longitudinally and reflective film in the lens body, the light loss problem of anti-peeping film is solved, the collimation of light is achieved and the product brightness is improved.
Patent Information
- Application Number
- CN202422344644.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-09-25
- Publication Date
- 2025-07-22
- Estimated Expiration
- 2034-09-25
AI Technical Summary
The existing anti-peeping film has problems with light loss during use, resulting in a decrease in product brightness.
A lens body is designed, including a plurality of glass substrates, which are arranged at a laterally and/or longitudinally spaced apart, and a reflective film is provided on the outer surface of each glass substrate, and a glue layer is arranged between adjacent glass substrates to achieve collimation of light and prevent light loss.
The light collimation and anti-peeping effect is achieved, while avoiding light loss and improving product brightness.
Smart Images

Figure CN223139882U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of liquid crystal display, and more specifically, to a lens with collimation, anti-peeping and no light loss. Background Art
[0002] Anti-peeping films are used in many electronic products, but the current anti-peeping films have the problem of light loss. The transmittance of the anti-peeping film is generally between 70% - 85%, and the light loss of the anti-peeping film reaches 15% - 30%. However, the anti-peeping film has the functions of anti-peeping and changing the direction of light or collimation. Even though there is light loss, due to its special performance, it is still widely used in many products. Summary of the Utility Model
[0003] The technical problem to be solved by the utility model is how to design a lens with collimation, anti-peeping and no light loss, so as to improve the brightness of the product.
[0004] The technical problem to be solved by the utility model is realized through the following technical solutions:
[0005] To solve the above technical problem, a lens with collimation, anti-peeping and no light loss includes a lens body. The lens body includes a plurality of glass substrates, and the plurality of glass substrates are arranged at intervals horizontally and / or vertically. A reflective film is provided on the outer surface of each glass substrate, and an adhesive layer is provided between adjacent glass substrates.
[0006] As a preferred embodiment of the lens with collimation, anti-peeping and no light loss provided by the utility model, the width of each glass substrate is 0.5 mm - 10 mm.
[0007] As a preferred embodiment of the lens with collimation, anti-peeping and no light loss provided by the utility model, the thickness of each glass substrate is 0.05 mm - 5 mm.
[0008] As a preferred embodiment of the lens with collimation, anti-peeping and no light loss provided by the utility model, the distance between adjacent two glass substrates is 0.5 mm - 50 mm.
[0009] As a preferred embodiment of the lens with collimation, anti-peeping and no light loss provided by the utility model, the refractive index of the adhesive layer is the same as that of the glass substrate.
[0010] As a preferred embodiment of the lens with collimation, anti-peeping and no light loss provided by the utility model, an anti-fingerprint film is provided on the upper surface of the lens body.
[0011] As a preferred embodiment of the collimating anti-peeping lens without light loss provided by the present utility model, a surface treatment layer for improving the surface roughness is provided on the upper surface of the lens body located in the non-visible area.
[0012] As a preferred embodiment of the collimating anti-peeping lens without light loss provided by the present utility model, the surface treatment layer is a frosted treatment layer.
[0013] As a preferred embodiment of the collimating anti-peeping lens without light loss provided by the present utility model, the surface treatment layer is an etching treatment layer.
[0014] As a preferred embodiment of the collimating anti-peeping lens without light loss provided by the present utility model, an adhesive layer is provided on the lower surface of the anti-fingerprint film located in the non-visible area.
[0015] The present utility model has the following beneficial effects:
[0016] The glue layer provided between adjacent glass substrates can paste the adjacent glass substrates into a whole. Since the glass substrates are arranged at intervals horizontally and / or vertically, light can pass through the glue layer at the intervals between the glass substrates. Moreover, a reflective film is provided on the outer surface of each glass substrate. When the angle of the outgoing light is relatively large, it can be reflected by the reflective film, so that the finally outgoing light is collimated and anti-peeping and does not generate light loss. When the glass substrates are arranged horizontally or vertically, horizontal or vertical collimation and anti-peeping can be achieved. When the glass substrates are arranged horizontally and vertically, horizontal and vertical collimation and anti-peeping can be achieved. BRIEF DESCRIPTION OF THE DRAWINGS
[0017] In order to more clearly illustrate the solutions in the present application, the following will briefly introduce the drawings required for the description of the embodiments. Obviously, the following drawings are some embodiments of the present application. For those of ordinary skill in the art, other drawings can be obtained based on these drawings without creative efforts.
[0018] Figure 1 It is a schematic structural diagram of a collimating anti-peeping lens without light loss provided by the present utility model.
[0019] Figure 2 It is a schematic structural diagram of another collimating anti-peeping lens without light loss provided by the present utility model.
[0020] Figure 3 For Figure 2 The structural schematic diagram when the glass substrates in are not pasted with the glue layer.
[0021] Figure 4 It is a schematic structural diagram of Embodiment 2.
[0022] Description of the reference numerals in the drawings:
[0023] Lens body 1; glass substrate 11; reflective film 12; glue layer 13; anti-fingerprint film 2. Specific embodiments
[0024] In order to enable those skilled in the art to better understand the solution of the present utility model, the following will clearly and completely describe the technical solutions in the embodiments of the present utility model with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all of the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.
[0025] In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings. It is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as a limitation to the present utility model.
[0026] In addition, the terms "first", "second", "third" are only used for descriptive purposes and cannot be understood as indicating or implying relative importance or implicitly indicating the quantity of the indicated technical features. Thus, the features defined with "first", "second", "third" may explicitly or implicitly include at least one of such features. In the description of the present utility model, "a plurality" means at least two, such as two, three, etc., unless otherwise specifically defined.
[0027] The present utility model provides a collimating anti-peeping lens without light loss, which includes a lens body. The lens body includes a plurality of glass substrates, and the plurality of glass substrates are arranged at intervals in the horizontal and / or vertical directions. A reflective film is provided on the outer surface of each glass substrate, and a glue layer is provided between adjacent glass substrates.
[0028] The glue layer provided between adjacent glass substrates can paste the adjacent glass substrates into a whole. Since the glass substrates are arranged at intervals horizontally and / or vertically, light can pass through the glue layer at the intervals between the glass substrates. Moreover, a reflective film is provided on the outer surface of each glass substrate. When the angle of the outgoing light is large, it can be reflected by the reflective film, so that the finally outgoing light is collimated and anti-peeping, and no light loss occurs. When the glass substrates are arranged horizontally or vertically, horizontal or vertical collimation and anti-peeping can be achieved. When the glass substrates are arranged horizontally and vertically, horizontal and vertical collimation and anti-peeping can be achieved.
[0029] In order to enable those skilled in the art to better understand the solution of this application, the technical solutions in the embodiments of this application will be clearly and completely described below with reference to the accompanying drawings. The following describes the present invention in detail with reference to the drawings and embodiments. The examples of the embodiments are shown in the drawings, where the same or similar reference numerals denote the same or similar elements or elements with the same or similar functions throughout. The embodiments described below by referring to the drawings are exemplary and are intended to explain the present invention and should not be construed as a limitation to the present invention.
[0030] Embodiment 1, please refer to Figure 1 , a lens that is collimated, anti-peeping and does not generate light loss provided by the present invention, which includes a lens body 1. The lens body 1 includes a plurality of glass substrates 11, and the plurality of glass substrates 11 are arranged at intervals horizontally or vertically. Please refer to Figure 2 and Figure 3 , or the plurality of glass substrates 11 are arranged at intervals horizontally and vertically, that is, in a "+" shape. A reflective film 12 is provided on the outer surface of each glass substrate 11, and a glue layer 13 is provided between adjacent glass substrates 11. The glue layer 13 provided between adjacent glass substrates 11 can paste the adjacent glass substrates 11 into a whole. Since the glass substrates 11 are arranged at intervals horizontally and / or vertically, light can pass through the glue layer 13 at the intervals between the glass substrates 11. Moreover, a reflective film 12 is provided on the outer surface of each glass substrate 11. When the angle of the outgoing light is large, it can be reflected by the reflective film 12, so that the finally outgoing light is collimated and anti-peeping, and no light loss occurs. When the glass substrates 11 are arranged horizontally or vertically, horizontal or vertical collimation and anti-peeping can be achieved. When the glass substrates 11 are arranged horizontally and vertically, horizontal and vertical collimation and anti-peeping can be achieved.
[0031] The production of the lens body 1 can be carried out according to the following steps:
[0032] When producing the lens body 1, first make the reflective film 12 on the glass substrate 11 by sputtering, evaporation, spraying or coating, etc. The thickness of each glass substrate 11 is 0.05 mm - 5 mm, and the thickness of the reflective film 12 is less than or equal to 100 nm;
[0033] The glass substrate 11 with the reflective film 12 formed thereon is cut into strips, and the width of each strip-shaped glass substrate 11 is 0.5 mm - 10 mm;
[0034] A plurality of cut strip-shaped glass substrates 11 are placed vertically on a fixture with equally spaced grooves, and then glue is poured into the neatly placed strip-shaped glass substrates 11. The refractive index of the formed glue layer 13 is the same as or close to that of the glass substrate 11, and the distance between adjacent two glass substrates 11 is 0.5 mm - 50 mm;
[0035] The air bubbles in the poured glue are removed by vacuum or pressurization;
[0036] Wait for the glue to cure;
[0037] Remove the fixture;
[0038] The upper and lower surfaces are polished by mechanical grinding until both surfaces are smooth;
[0039] The product is cut into a required shape by using CNC or other means.
[0040] Example 2, please refer to Figure 4 , as a further optimized solution of Example 1, in this example, an anti-fingerprint film 2 is provided on the upper surface of the lens body 1, so that during the use process by the user, fingerprints can be avoided from remaining on the surface of the lens body 1, thereby enhancing the aesthetic feeling of the liquid crystal display screen and improving the competitiveness of the product.
[0041] Furthermore, a surface treatment layer for enhancing the surface roughness is provided on the upper surface of the lens body 1 in the non-visible area, and the surface treatment layer is a matte treatment layer or an etching treatment layer. A glue layer is provided on the lower surface of the anti-fingerprint film 2 in the non-visible area, so that the anti-fingerprint film 2 can be more firmly adhered to the upper surface of the lens body 1.
[0042] In the present utility model, unless otherwise clearly specified and defined, terms such as "installed", "connected", "connected to", "fixed" and the like shall be understood in a broad sense. For example, it may be a fixed connection, a detachable connection, or integrated; it may be a mechanical connection, an electrical connection or communication with each other; it may be directly connected, or indirectly connected through an intermediate medium, and may be the internal communication of two components or the interaction relationship between two components, unless otherwise clearly defined. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific situations.
[0043] Obviously, the embodiments described above are only a part of the embodiments of this application, rather than all the embodiments. The preferred embodiments of this application are given in the drawings, but they do not limit the patent scope of this application. This application can be implemented in many different forms. On the contrary, the purpose of providing these embodiments is to make the understanding of the disclosed content of this application more thorough and comprehensive. Although this application has been described in detail with reference to the foregoing embodiments, for those skilled in the art, they can still modify the technical solutions recorded in the foregoing specific embodiments, or perform equivalent replacements on some of the technical features. Any equivalent structures made by using the content of this application's specification and drawings, directly or indirectly applied in other related technical fields, are equally within the scope of patent protection of this application.
Claims
1. A collimating anti-peeping lens that does not cause light loss, characterized in that, It includes a lens body, and the lens body includes a plurality of glass substrates which are arranged at intervals horizontally and / or vertically. A reflective film is provided on the outer surface of each glass substrate, and an adhesive layer is provided between adjacent glass substrates.
2. The collimating anti-peeping lens without light loss according to claim 1, characterized in that The width of each glass substrate is 0.5 mm - 10 mm.
3. The collimating anti-peeping lens without light loss according to claim 1, characterized in that The thickness of each glass substrate is 0.05 mm - 5 mm.
4. The collimating anti-peeping lens without light loss according to claim 1, characterized in that, The distance between adjacent two glass substrates is 0.5 mm - 50 mm.
5. The collimating anti-peeping lens without light loss according to claim 1, wherein The refractive index of the adhesive layer is the same as that of the glass substrate.
6. The collimating anti-peeping lens without light loss according to claim 1, characterized in that, An anti-fingerprint film is provided on the upper surface of the lens body.
7. The collimating anti-peeping lens without light loss according to claim 6, characterized in that, A surface treatment layer for increasing the surface roughness is provided on the upper surface of the lens body in the non-visible area.
8. The collimating anti-peeping lens without light loss according to claim 7, wherein, The surface treatment layer is a matte treatment layer.
9. The collimating anti-peeping lens that does not cause light loss according to claim 7, characterized in that, The surface treatment layer is an etching treatment layer.
10. The collimating anti-peeping lens without light loss according to claim 6, characterized in that, An adhesive layer is provided on the lower surface of the anti-fingerprint film in the non-visible area.