CN218866135U - Peep-proof film - Google Patents

Abstract

The utility model relates to an electronic product accessory field specifically discloses a peep-proof membrane, include: a protective layer; the AB glue layer is positioned on one side of the protective layer and is fixedly connected with the protective layer, and the AB glue layer comprises a transparent peep-proof layer; the transparent peep-proof layer is composed of a plurality of photorefractors which are arranged in the same direction and are uniformly spaced; the light refraction body can refract the light beam entering the peep-proof film to shrink the reflection range of the light beam so as to narrow the visible area of the peep-proof film. The utility model discloses a peep-proof is realized to transparent peep-proof layer, neither influences the luminousness of protection film, can realize the peep-proof again, has solved current peep-proof membrane and has leaded to the problem that the protection film luminousness descends in order to realize peep-proof increase coating.

Description

Peep-proof film

Technical Field

The utility model relates to an electronic product accessory field especially relates to a peep-proof membrane.

Background

After many people buy new electronic equipment, a protective film is attached to a screen. The protective films are various in types, and the functions from the original simple scratch-resistant protective film to the push-out functional protective film can be divided into: a peep-proof film, an AR film, a frosted film, a high-clarity film, a scratch-proof protective film, a diamond film, a tempered film, and the like, and modern people pay more attention to privacy, so the peep-proof film is also more popular.

Peep-proof membrane among the prior art is provided with the peep-proof coating that can the extinction for only a small part light can reflect away, thereby reach the peep-proof effect, but the peep-proof coating of extinction can lead to the transmissivity of peep-proof membrane to descend, and the user can find screen brightness darker than before using the peep-proof membrane, and the time has been of a specified duration can influence the eyesight health, if improve screen brightness again can cause the increase of power consumption moreover.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that the prior art is not enough to be overcome, and a peep-proof membrane is provided.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a privacy film comprising: a protective layer; the AB glue layer is positioned on one side of the protective layer and is fixedly connected with the protective layer, and the AB glue layer comprises a transparent peep-proof layer; the transparent peep-proof layer is composed of a plurality of photorefractors which are arranged in the same direction and are uniformly spaced; the light refraction body can refract the light beam entering the peep-proof film to shrink the reflection range of the light beam so as to narrow the visible area of the peep-proof film.

Preferably, the refractive index of the light refractive body is larger than that of the protective layer.

Preferably, the light refractors are arranged into a plurality of columns, the light refractors in the same column are uniformly arranged at intervals, and the light refractors in any two adjacent columns are arranged in a staggered embedding manner to form the transparent peep-proof layer.

Preferably, the light refractor is a prism body in a quadrangular pyramid shape, and the bottom surface of the light refractor is a diamond shape.

Preferably, the light refraction body is a prism body in a triangular pyramid shape, and the longitudinal section of the prism body is an isosceles triangle.

Preferably, the light refractor is a soft prism body with self-repairing capability.

Preferably, the AB glue film is including the OCA optics glue film that sets gradually, substrate layer and silica gel layer, transparent peep-proof layer is located in the substrate layer or be located substrate layer surface.

Preferably, the peep-proof membrane further comprises a release film layer, and the release film layer is connected with the silica gel layer.

Since the technical scheme above is adopted, the utility model discloses following beneficial effect has:

the utility model discloses in be provided with transparent peep-proof layer, this transparent peep-proof layer comprises a plurality of photorefractive members of arranging and evenly spaced according to same direction, and the refracting index of photorefractive member is greater than the refracting index of transparent substrate layer, makes the light beam of penetrating into the peep-proof membrane produce the refraction, has contracted the reflection scope of light beam, because the light beam reflects the user just can see the object clearly in user's eyes, so the reflection scope of having contracted the light beam has just also reduced the visual region of people's eye, has just also reached the peep-proof purpose. Peep-proof is realized through transparent peep-proof layer, neither influences the luminousness of protection film, can realize peep-proof again, has solved current peep-proof membrane and has increased the problem that the coating leads to protection film luminousness to descend in order to realize peeping-proof.

Drawings

In order to illustrate the technical solutions of the embodiments of the present invention more clearly, the drawings of the embodiments will be briefly described below, and it is obvious that the drawings in the following description only relate to some embodiments of the present invention, and are not intended to limit the present invention.

Fig. 1 is a schematic structural diagram of a first embodiment of the present invention;

FIG. 2 is an exploded view of FIG. 1;

fig. 3 is a schematic structural view of a transparent peep-proof layer in a first embodiment of the present invention;

fig. 4 is a schematic structural view of a transparent peep-proof layer at another angle according to an embodiment of the present invention.

Reference numerals:

1. a protective layer; 2, AB glue layer; 21. a transparent privacy layer; 211. a light refractive body; an OCA optical cement layer; 23. a silica gel layer; and 3, release film layer.

Detailed Description

To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the present invention will be described in further detail with reference to the accompanying drawings. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined or explained in subsequent figures.

Unless defined otherwise, technical or scientific terms used herein shall have the ordinary meaning as understood by those of ordinary skill in the art to which the invention belongs. The use of "first," "second," and similar terms in the description and in the claims does not indicate any order, quantity, or importance, but rather is used to distinguish one element from another. Also, the use of the terms "a," "an," or "the" and similar referents do not denote a limitation of quantity, but rather denote the presence of at least one. The word "comprising" or "comprises", and the like, means that the element or item appearing in front of the word "comprising" or "comprises" includes the element or item listed after the word "comprising" or "comprises" and its equivalents, and does not exclude other elements or items. "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like are used only to indicate relative positional relationships that may change when the absolute position of an object being described changes, and are merely for convenience in describing the invention and to simplify the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the invention.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Some embodiments of the present invention will be described in detail below with reference to the accompanying drawings. The features in the embodiments described below may be combined with each other without conflict.

The embodiment is as follows:

please refer to fig. 1 to 2, which illustrate, the present invention provides a peep-proof film for being adhered to the display area of a mobile terminal, and being capable of adding peep-proof feature for the display area without affecting the display function of the display area, including: the protective layer 1 is provided with a size enough to cover the display area, specifically, the protective layer 1 is arranged on the top surface of the peep-proof film and is made of materials such as tempered glass or PET (polyethylene terephthalate), and the protective layer 1 can protect other components of the peep-proof film and the display area of the mobile terminal, so that the service lives of the peep-proof film and the mobile terminal are effectively prolonged; the AB glue layer 2 is positioned on one side of the protective layer 1 and fixedly connected with the protective layer 1, and the AB glue layer 2 comprises a transparent peep-proof layer 21, wherein the transparent peep-proof layer 21 consists of a plurality of light refractors 211 which are arranged in the same direction and are uniformly spaced; the light refractor 211 can refract the light beam incident into the privacy film to narrow the visible region of the privacy film by narrowing the reflection range of the light beam.

Specifically, the refractive index of the light refraction body 211 is greater than the refractive index of the protection layer 1, the light beam is from the protection layer 1 with a small refractive index to the light refraction body 211 with a large refractive index, the refraction angle is smaller than the incident angle, so the light beam deflects to the normal, when the light beam is reflected from the light refraction body 211 with a large refractive index to the protection layer 1, the refraction angle is greater than the incident angle, so the light beam deflects to the direction away from the normal, at the moment, the light ray outgoing of the side view angle is reduced, the reflection range of the light beam is reduced, the user can see the object clearly due to the reflection of the light beam to the eyes of the user, the reflection range of the light beam is reduced, namely, the visual area of the human eyes is reduced, and the peep-proof purpose is also achieved.

And the protective layer 1 and the AB glue layer 2 of this embodiment all adopt transparent material, have improved the transmissivity of peep-proof membrane, are favorable to protecting user's eyesight healthy, and the user also need not to improve luminance in order to see clearly the screen, has consequently also saved mobile terminal's electric quantity.

Specifically, the peep-proof angle is a range of 45 degrees (90 degrees in total) at the center and left and right of the peep-proof film, the content of the display area can be clearly seen by a user within the peep-proof angle, and the content of the display area can not be clearly seen outside the peep-proof angle.

As shown in fig. 3 and 4, the light refractors 211 are arranged in multiple rows, the light refractors 211 in the same row are uniformly spaced, and the light refractors 211 in any two adjacent rows are arranged in a staggered embedding manner to form the transparent privacy layer 21, in this embodiment, the staggered embedding means that the light refractors 211 are arranged next to each other to ensure that the transparent privacy layer 21 is fully covered by the light refractors 211; in addition, the purpose of staggered arrangement is in order to promote the homogeneity of light field distribution, improves user's comfort level.

In the present embodiment, the light refractor 211 is a prism body in a shape of a quadrangular pyramid, and the bottom surface thereof is a diamond shape. In other embodiments, the light refracting element 211 may also be a prism body in the shape of a triangular pyramid, and the longitudinal section of the prism body is an isosceles triangle.

In this embodiment, the light refractor 211 is a soft prism body with self-repairing capability, and when the transparent privacy protection film 21 is deformed due to pressing or the like, the light refractor 211 can automatically return to the initial state, thereby prolonging the service life of the privacy protection film.

The AB glue layer 2 comprises an OCA optical glue layer 22, a substrate layer (not shown in the figure) and a silica gel layer 23 which are arranged in sequence, and the transparent peep-proof layer 21 is positioned in the substrate layer or on the surface of the substrate layer.

In this embodiment, both sides of the OCA optical adhesive layer 22 have adhesive properties, and the OCA adhesive is a special adhesive for adhering the transparent optical element; transparent peep-proof layer 21 is located the inside of substrate layer, and the top surface and the OCA optical cement layer 22 of substrate layer are connected this moment, and the bottom surface and the silica gel layer 23 of substrate layer are connected, and specifically, silica gel layer 23 is dried by coating the bottom surface of substrate layer on by organosilicon pressure sensitive adhesive and forms. In another embodiment, the transparent privacy layer 21 is located on the surface of the substrate layer, and at this time, the transparent privacy layer 21 is connected to the OCA optical adhesive layer 22, and the substrate layer is connected to the silicone layer 23.

The peep-proof film further comprises a release film layer 3 which is easy to peel off, and when the peep-proof film needs to be used, only the release film layer 3 needs to be torn off and the peep-proof film is pasted in a display area of the mobile terminal.

The mobile terminal is a mobile phone, a game machine or a tablet computer. In this embodiment, the mobile terminal is a mobile phone. Of course, in other embodiments, the method may also be used in a display area of a non-mobile terminal such as a desktop computer.

The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention should be covered by the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims (8)

1. A privacy film, comprising:

a protective layer;

the AB glue layer is positioned on one side of the protective layer and is fixedly connected with the protective layer, and the AB glue layer comprises a transparent peep-proof layer; the transparent peep-proof layer is composed of a plurality of light refractors which are arranged in the same direction and are uniformly spaced; the light refraction body can refract the light beam entering the peep-proof film to shrink the reflection range of the light beam so as to narrow the visible area of the peep-proof film.

2. The privacy film of claim 1, wherein the refractive index of the light refractive body is greater than the refractive index of the protective layer.

3. The privacy film of claim 1, wherein the light refractors are arranged in a plurality of columns, the light refractors in the same column are uniformly spaced apart, and the light refractors in any two adjacent columns are arranged in a staggered embedded manner to form the transparent privacy layer.

4. The privacy film of claim 3, wherein the light refractors are prism bodies in the shape of a quadrangular pyramid, and the bottom surfaces thereof are rhombus-shaped.

5. The privacy film of claim 3, wherein the light refracting bodies are prism bodies in the shape of a triangular pyramid whose longitudinal section is an isosceles triangle.

6. The privacy film of claim 3, wherein the photorefractive bodies are soft prismatic bodies having self-healing capabilities.

7. The privacy film of any one of claims 1-6, wherein the AB glue layer comprises an OCA optical glue layer, a substrate layer and a silica gel layer, and the transparent privacy layer is located in the substrate layer or on the surface of the substrate layer.

8. The privacy film of claim 7, further comprising a release film layer, wherein the release film layer is connected to the silicone layer.

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