CN218122282U - Peep-proof film - Google Patents
Peep-proof film Download PDFInfo
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- CN218122282U CN218122282U CN202222386729.XU CN202222386729U CN218122282U CN 218122282 U CN218122282 U CN 218122282U CN 202222386729 U CN202222386729 U CN 202222386729U CN 218122282 U CN218122282 U CN 218122282U
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Abstract
The utility model discloses a peep-proof membrane, including at least two-layer unit peep-proof membrane, unit peep-proof membrane includes peep-proof layer, and peep-proof layer includes the transmission portion that a plurality of equidistant set up, but the transmission portion one-to-one of adjacent unit peep-proof membrane between the adjacent unit peep-proof membrane split or bonding. The peep-proof film is reasonable in structure, the unit peep-proof films are used singly or in a combined mode according to actual products and applicable scenes through the detachable or bonded unit peep-proof films, the visual angle of the peep-proof films can be adjusted, and the peep-proof films are more flexible to use; when the unit peep-proof films are used in a combined mode, the transmission parts of the adjacent unit peep-proof films correspond to one another one by one, and the light-transmitting brightness and definition are guaranteed.
Description
Technical Field
The utility model belongs to the technical field of the technique of blooming and specifically relates to a peep-proof membrane is related to.
Background
Along with the popularization of electronic products such as mobile phones, computers and the like. When checking mails or data in public facilities such as buses, subways, high-speed rails and the like, more and more attention is paid to protection of display contents, and surrounding people are prevented from peeping the display contents. At present, the content is protected by a peep-proof film. From the viewpoint of the structure of the privacy film, the privacy film is usually an optical film with a louver structure, and the wide viewing angle of the screen is changed into a narrower viewing angle through the angle control of light, the wide viewing angle is usually 175 ° of the display, and the narrower viewing angle is usually 60 ° of the display, that is, only a dark picture can be seen from the periphery. The visual angle of the existing common peeping film is fixed and unchanged, and the film can not be flexibly selected according to the actual application scene.
Therefore, there is a need for an improved privacy film of the prior art.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome the defect that exists among the prior art, provide a peep-proof membrane, but through split or bonding unit peep-proof membrane, realize that the peep-proof membrane is single or peep-proof membrane uses in combination, and then according to actual product and the visual angularly adjustable that is suitable for the scene realization peep-proof membrane.
In order to realize the technical effects, the utility model adopts the technical scheme that: the utility model provides a peep-proof membrane, includes two-layer at least unit peep-proof membrane, unit peep-proof membrane includes the peep-proof layer, the peep-proof layer includes the transmission portion that a plurality of equidistant setting is adjacent the transmission portion one-to-one of unit peep-proof membrane is adjacent but split or bonding between the unit peep-proof membrane.
The preferred technical scheme is that the unit peep-proof film comprises a base layer connected with the peep-proof layer, and the base layer and/or the surface of the peep-proof layer of the unit peep-proof film are/is sequentially provided with an adhesive layer and a release layer.
The preferred technical scheme does, the unit peep-proof membrane includes upper unit peep-proof membrane and lower floor's unit peep-proof membrane, the peep-proof layer of lower floor's unit peep-proof membrane passes through the adhesive linkage with the basic unit or the peep-proof layer of upper unit peep-proof membrane are connected.
The preferable technical scheme is that at least the transmission part of the lower layer unit peep-proof film comprises a protrusion far away from the base layer, the first optical surface of the bonding layer is in concave-convex fit with the protrusion, and the second optical surface is a plane.
The transmission part comprises a first transmission part and a second transmission part which are arranged at intervals, and a light absorption part is arranged between the first transmission part and the second transmission part.
Preferably, the volume ratio of the light absorbing part to the transmitting part is less than or equal to 1:18.
the preferable technical scheme is that the first transmission parts of the adjacent unit peep-proof films correspond to one another, and the second transmission parts of the adjacent unit peep-proof films correspond to one another.
Preferably, the first and second transmissive portions are made of the same material.
Preferably, the first and second transmission parts have the same viewing angle.
The preferred technical scheme is that the thickness of the unit peep-proof film is less than or equal to 200 mu m, and the thickness of the peep-proof layer is 60 to 150 mu m.
The utility model has the advantages and the beneficial effects that:
the peep-proof membrane has a reasonable structure, and the peep-proof membrane can be used singly or in combination according to actual products and applicable scenes through the detachable or bonded unit peep-proof membrane, so that the visual angle of the peep-proof membrane can be adjusted, and the application is more flexible; when the unit peep-proof films are used in a combined mode, the transmission parts of the adjacent unit peep-proof films correspond to one another one by one, and the light-transmitting brightness and definition are guaranteed.
Drawings
FIG. 1 is a schematic diagram of the structure of a privacy film of the unit of example 1;
FIG. 2 is a schematic structural view of the privacy film of example 1;
FIG. 3 is a schematic structural view of the privacy film of example 2;
FIG. 4 is a schematic structural view of the privacy film of example 3;
fig. 5 is a schematic structural view of the privacy film of example 4.
In the figure: 1. a cell privacy film; 2. an adhesive layer; 3. a release layer; 1-a, an upper layer unit peep-proof film; 1-b, a lower layer unit peep-proof membrane; 10. a base layer; 11. a privacy layer; 12. a transmissive portion; 13. a light absorbing portion; 110. A protrusion; 121. a first transmission part; 122. a second transmissive portion.
Detailed Description
The following description will further describe embodiments of the present invention with reference to the accompanying drawings and examples. The following examples are only for illustrating the technical solutions of the present invention more clearly, and the protection scope of the present invention is not limited thereby.
In the description of the present invention, it should be understood that the reference to the "upper layer" and "lower layer" is only for the convenience of describing the present invention and simplifying the description, but does not indicate or imply 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 limiting the present invention.
The terms "first", "second", and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or to implicitly indicate the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature.
Unit peep-proof film
The unit peep-proof membrane includes the basic unit and the peep-proof layer of being connected with the basic unit, and the peep-proof layer includes transmission portion and the light-absorbing portion that the interval set up. The transmission parts are uniformly arranged, and the size and the dimension of each transmission part are consistent; the light absorption parts are also uniformly arranged, and the size and the dimension of each light absorption part are consistent. The intersection of the extended surfaces of the two sidewalls of the light absorbing portion may be closer to the substrate or farther from the substrate.
Including upper unit peep-proof membrane and lower floor's unit peep-proof membrane, the peep-proof layer surface of lower floor's unit peep-proof membrane has set gradually adhesive linkage and release layer. The adhesive linkage is OCA glue film. And removing the release layer, and connecting the upper layer unit peep-proof film and the lower layer unit peep-proof film through the bonding layer for combined use.
The transmission parts of the adjacent unit peep-proof films correspond to each other one by one, and further, the extension surfaces of the two side walls of the transmission parts are overlapped. The light transmission effect of combined use is ensured.
Base layer
Including but not limited to light-transmitting materials such as PET, PVC, EVA, PC, PMMA, TPU, glass and the like; further, the base layer is made of PET material.
Transmitting part
The UV coating device comprises a first transmission part and a second transmission part, wherein the transmission part is processed on a base layer through a UV coating process, a first light transmission part is formed firstly, two side walls of the first light transmission part are coated with opaque materials to form light absorption parts, a hollow space is formed between the light absorption parts, the light absorption parts are filled with flowing light transmission materials, and then the second transmission part is formed through solidification. The first transmission portion and the second transmission portion are made of transparent UV glue, the light transmission intensity of the materials is the same, and the patterns observed by a user are clearer.
The materials are consistent, the refractive indexes are consistent, and further, the visual angles of the first transmission part and the second transmission part are consistent. The screen can be seen through the first transmission part and the second transmission part, and the same visual effect can be generated. The visible angle is the included angle formed by the light projected from the base layer through the top surface of the transmission part, such as the angle A and the angle B marked in the figure.
Light-impermeable material
Including but not limited to black ink, gray ink, white ink, etc.
Projection
The cross-sectional shape of the protrusion includes, but is not limited to, semi-circle and triangle. The brightness of the light passing through the lower-layer unit peep-proof film is improved, and then the overall brightness of the upper-layer unit peep-proof film is improved.
Example 1
As shown in fig. 1 to 2, the privacy film includes two layers of unit privacy films 1, each unit privacy film 1 includes a base layer 10 formed by connecting a privacy layer 11 and a privacy layer 11, each privacy layer 11 includes a plurality of transmission parts 12 and light absorption parts 13 arranged at equal intervals, the transmission parts 12 and the light absorption parts 13 are arranged at intervals, and the volume ratio of the light absorption parts 13 to the transmission parts 12 is 1:1.5, the intersection line of the extension surfaces of both side walls of the light absorbing part 13 is far away from the base layer 10. The transmission parts 12 of the adjacent unit peep-proof films 1 are in one-to-one correspondence, and the adjacent unit peep-proof films 1 can be detached or bonded.
The unit peep-proof film 1 comprises an upper layer unit peep-proof film 1-a and a lower layer unit peep-proof film 1-b, and a peep-proof layer 11 of the lower layer unit peep-proof film 1-b is connected with a base layer 10 of the upper layer unit peep-proof film 1-a through an adhesive layer 2. The transmission part 12 of the lower-layer unit privacy film 1-b comprises a protrusion 110 far away from the base layer 10, the first optical surface of the bonding layer 2 is in concave-convex fit with the protrusion 110, and the second optical surface is a plane and is connected with the base layer 10 of the upper-layer unit privacy film 1-a.
The layer thickness of the base layer 10 of the upper layer unit privacy film 1-a and the lower layer unit privacy film 1-b is 50 μm, the maximum height of the projection 110 of the transmission part 12 of the lower layer unit privacy film 1-b is 101 μm, the height of the light absorption part 13 of the lower layer unit privacy film 1-b is 100 μm, the maximum layer thickness of the adhesive layer 2 is 5 μm, and the layer thickness of the privacy layer 11 of the upper layer unit privacy film 1-a is 100 μm.
Example 2
As shown in fig. 3, example 2 is based on example 1, except that the transmission parts 12 of the upper-layer unit privacy film 1-a and the lower-layer unit privacy film 1-b each include a protrusion 110 away from the base layer 10, and the height difference between the protrusion 110 and the light-absorbing part 13 is 1 μm.
Example 3
As shown in fig. 4, example 3 is based on example 1, except that the peep-proof layer 11 of the lower-layer unit peep-proof film 1-b is connected to the peep-proof layer 11 of the upper-layer unit peep-proof film 1-a through the adhesive layer 2.
Example 4
As shown in fig. 5, embodiment 4 is based on embodiment 1, except that the transmission part 12 includes a first transmission part 121 and a second transmission part 122 disposed at an interval, and a light absorbing part 13 is disposed between the first transmission part 121 and the second transmission part 122. The volume ratio of the light absorbing part 13 to the transmitting part 12 is 1:19. the first transmission parts 121 of the adjacent unit peep-proof films 1 correspond to one another, and the second transmission parts 122 of the adjacent unit peep-proof films 1 correspond to one another.
The materials of the first and second transmission parts 121 and 122 are uniform.
The first and second transmission parts 121 and 122 have the same viewing angle.
In embodiment 4, compared to embodiment 1, by disposing the light absorbing portion 13 made of the opaque material between the first transmission portion 121 and the second transmission portion 122, the opaque material is not directly filled between two adjacent first transmission portions 121, the volume ratio of the transmission portion 12 is greatly increased, the transmittance of the privacy film is further increased, the overall brightness of the privacy film is improved, and the display effect is good even when two layers of the unit privacy film 1 are used in combination. The transmittance of the peep-proof film is as high as 75-90%.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and embellishments can be made without departing from the technical principle of the present invention, and these improvements and embellishments should also be regarded as the protection scope of the present invention.
Claims (10)
1. The utility model provides a peep-proof membrane, its characterized in that includes at least two-layer unit peep-proof membrane (1), unit peep-proof membrane (1) includes peep-proof layer (11), peep-proof layer (11) include transmission portion (12) that a plurality of equidistant set up, and are adjacent transmission portion (12) one-to-one of unit peep-proof membrane (1) is adjacent but split or bonding between unit peep-proof membrane (1).
2. The privacy film according to claim 1, wherein the unit privacy film (1) comprises a base layer (10) connected to the privacy layer (11), and an adhesive layer (2) and a release layer (3) are sequentially disposed on the surface of the base layer (10) and/or the privacy layer (11) of the unit privacy film (1).
3. The privacy film according to claim 2, wherein the unit privacy film (1) comprises an upper unit privacy film (1-a) and a lower unit privacy film (1-b), and the privacy layer (11) of the lower unit privacy film (1-b) is connected to the base layer (10) or the privacy layer (11) of the upper unit privacy film (1-a) through the adhesive layer (2).
4. The privacy film of claim 3, wherein at least the transmissive portion (12) of the lower-unit privacy film (1-b) comprises protrusions (110) remote from the base layer (10), the adhesive layer (2) has a first optical surface that is in relief with the protrusions (110) and a second optical surface that is planar.
5. Privacy film according to claim 1 or 4, wherein the transmission part (12) comprises a first transmission part (121) and a second transmission part (122) arranged at a distance, and a light absorbing part (13) is arranged between the first transmission part (121) and the second transmission part (122).
6. Privacy film according to claim 5, characterized in that the volume ratio of the light-absorbing part (13) to the transmissive part (12) is less than or equal to 1:18.
7. the privacy film of claim 5, wherein the first transmissive portions (121) of adjacent unit privacy films (1) correspond one-to-one, and the second transmissive portions (122) of adjacent unit privacy films (1) correspond one-to-one.
8. Privacy film according to claim 5, characterized in that the material of the first and second transmission parts (121, 122) is uniform.
9. The privacy film of claim 8, wherein the first transmissive portion (121) and the second transmissive portion (122) have a uniform viewing angle.
10. The privacy film according to claim 1, wherein the thickness of the unit privacy film (1) is 200 μm or less, and the thickness of the privacy layer (11) is 60 to 150 μm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222386729.XU CN218122282U (en) | 2022-09-08 | 2022-09-08 | Peep-proof film |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222386729.XU CN218122282U (en) | 2022-09-08 | 2022-09-08 | Peep-proof film |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218122282U true CN218122282U (en) | 2022-12-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222386729.XU Active CN218122282U (en) | 2022-09-08 | 2022-09-08 | Peep-proof film |
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| CN (1) | CN218122282U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116661037A (en) * | 2022-12-30 | 2023-08-29 | 荣耀终端有限公司 | Peep-proof film and preparation method thereof |
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2022
- 2022-09-08 CN CN202222386729.XU patent/CN218122282U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116661037A (en) * | 2022-12-30 | 2023-08-29 | 荣耀终端有限公司 | Peep-proof film and preparation method thereof |
| CN116661037B (en) * | 2022-12-30 | 2024-04-23 | 荣耀终端有限公司 | Peep-proof film and preparation method thereof |
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