CN216584854U - Naked eye 3D peep-proof film - Google Patents

Abstract

The utility model relates to a bore hole 3D peep-proof membrane, include: the method comprises the following steps: a base layer; a grating structure layer disposed on a surface of the base layer; the silica gel layer is arranged on the grating structure layer; a privacy protecting structural layer disposed on the other surface of the base layer. The utility model discloses a set up peep-proof structural layer and grating structural layer on the substrate layer, the light refraction scope that both prevented equipment effectively and sent is great, is seen by the people on next door easily, and the peep-proof effect is better, can present the 3D picture that has the stereoeffect again, gives the better visual experience of user.

Description

Naked eye 3D peep-proof film

Technical Field

The utility model relates to a peep-proof membrane technical field especially relates to a bore hole 3D peep-proof membrane.

Background

With the development of society, various electronic products have become indispensable articles in people's daily life; in recent years, portable electronic product technology and market have been rapidly developed. However, most of the current portable electronic products are touch screen type, and the screen is easily scratched. Therefore, it is very common in consumers of portable electronic products to attach a protective film on the surface of the portable electronic products.

When people browse information through a screen of an electronic product, particularly information related to some confidentiality, users of the electronic product do not want the information to be seen by others, but only a protective film is adopted, so that the screen content cannot be prevented from being seen clearly by people beside the electronic product, privacy is protected, and the electronic product is prevented from being seen by theft.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem or at least partially solve the technical problem, the application provides an naked eye 3D peep-proof film.

The application provides bore hole 3D peep-proof membrane includes:

a base layer;

a grating structure layer disposed on a surface of the base layer;

the silica gel layer is arranged on the grating structure layer;

and the peep-proof structure layer is arranged on the other surface of the substrate layer.

Preferably, the grating structure layer includes the substrate layer, can glue film and a plurality of lens array, lens array neatly distributes on the substrate layer, can glue film set up in on the lens array, be used for right the lens array is levelled, just can glue film with the basic unit layer is connected, can glue film with the refractive index difference has between the refractive index of lens array.

Preferably, the refractive index difference is in the range of 0.18 to 0.2.

Preferably, the refractive index of the removable adhesive layer is 1.38-1.4, and the refractive index of the lens array is 1.58-1.62.

Preferably, the pitch between adjacent lens arrays is 0.15mm to 0.21 mm.

Preferably, the peep-proof structure includes peep-proof substrate layer and peep-proof layer, the peep-proof layer with the substrate layer laminating, the interval is equipped with the filling hole in the peep-proof layer, the filling hole intussuseption is filled with resin material, in order to with peep-proof layer interval separation becomes transparent portion and nontransparent portion.

Preferably, the aperture of the filling hole gradually decreases from top to bottom.

Preferably, the peep-proof layer is provided with a convex point on the surface corresponding to the opaque part, the base material layer is provided with a groove matched with the convex point, and OCA glue is coated in the groove.

Preferably, the thickness of the substrate layer is 0.1 mm-0.18 mm.

Compared with the prior art, the technical scheme provided by the embodiment of the application has the following advantages:

the peep-proof layer is arranged on one surface of the base layer, and the filling holes of the peep-proof layer are filled with the resin material, so that the peep-proof layer is divided into the transparent part and the non-transparent part, the transmission of transmitted light is reduced, the light emitted by the equipment can be effectively prevented from being refracted in a larger range, the light can be easily seen by people nearby, and the peep-proof effect is better; simultaneously set up the grating structure layer on another surface of substrate layer for the light that passes peep-proof layer and basic layer is refracted by the grating structure layer, and under the refraction effect on silica gel layer, presents the 3D picture that has the stereoeffect, gives the better visual experience of user.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the present invention and, together with the description, serve to explain the principles of the invention.

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without inventive labor.

In the drawings:

fig. 1 is a schematic structural diagram of the naked eye 3D peep-proof membrane of the present invention;

fig. 2 is a schematic view of a peep-proof layer in the naked eye 3D peep-proof film of the present invention;

reference numerals: 1. a peep-proof structure layer; 11. a peep-proof substrate layer; 12. a privacy layer; 121. filling the hole; 122. a transparent portion; 123. an opaque portion; 124. salient points; 2. a base layer; 3. a grating structure layer; 31. a substrate layer; 32. a lens array; 33. a removable adhesive layer; 4. a silica gel layer;

Detailed Description

In order to clearly understand the technical features, objects, and effects of the present invention, embodiments of the present invention will be described in detail with reference to the accompanying drawings. In the following description, it should be understood that the directions or positional relationships indicated by "front", "back", "upper", "lower", "left", "right", "longitudinal", "horizontal", "vertical", "horizontal", "top", "bottom", "inner", "outer", "head", "tail", etc. are configured and operated in specific directions based on the directions or positional relationships shown in the drawings, and are only for convenience of describing the present invention, but do not indicate that the device or element referred to must have a specific direction, and thus, should not be construed as limiting the present invention.

It is also noted that, unless expressly stated or limited otherwise, the terms "mounted," "connected," "secured," "disposed," and the like are intended to be inclusive and mean, for example, that they may be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. When an element is referred to as being "on" or "under" another element, it can be "directly" or "indirectly" on the other element or intervening elements may also be present. The terms "first", "second", "third", etc. are only for convenience in describing the present technical solution, and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated, whereby the features defined as "first", "second", "third", etc. may explicitly or implicitly include one or more of such features. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the following description, for purposes of explanation and not limitation, specific details are set forth, such as particular system structures, techniques, etc. in order to provide a thorough understanding of the embodiments of the invention. It will be apparent, however, to one skilled in the art that the present invention may be practiced in other embodiments that depart from these specific details. In other instances, detailed descriptions of well-known systems, devices, circuits, and methods are omitted so as not to obscure the description of the present invention with unnecessary detail.

As shown in fig. 1-2, in the embodiment of the naked eye 3D peep-proof membrane of the present invention, this naked eye 3D peep-proof membrane includes: a base layer 2, a grating structure layer 3, a silica gel layer 4 and a peep-proof structure layer 1,

wherein, the grating structure layer 3 is arranged on one surface of the basic layer 2; the silica gel layer 4 is arranged on the grating structure layer 3; the privacy protecting layer 1 is arranged on the other surface of the base layer 2.

Specifically, the grating structure layer 3 includes a substrate layer 31, a removable adhesive layer 33 and a plurality of lens arrays 32, the lens arrays 32 are distributed on the substrate layer 31, the removable adhesive layer 33 is disposed on the lens arrays 32, and is used for filling the lens arrays 32, and the removable adhesive layer 33 is connected to the base layer 2, and there is a refractive index difference between the refractive indexes of the removable adhesive layer 33 and the lens arrays 32. It should be noted that the manufacturing method of the grating structure layer 3 specifically includes: firstly, a layer of UV light curing adhesive is coated on the substrate layer 31, then the lower end of the lens array 32 is pasted on the UV light curing adhesive, then the lens array 32 is firmly connected on the substrate layer 31 under the curing action of the UV light curing adhesive, and finally the lens array 32 is filled and leveled through the removable adhesive layer 33, so that the manufacturing of the grating structure layer 3 is completed.

Specifically, the refractive index of the removable adhesive layer 33 is 1.38-1.4, the refractive index of the lens array 32 is 1.58-1.62, and the pitch between adjacent lens arrays 32 is 0.15-0.21 mm. It should be noted that the refractive index of the adopted removable adhesive layer 33 needs to be smaller than that of the lens array 32, so that the light splitting effect of the grating structure layer 3 can be effectively realized, and thus the display device effectively presents a 3D picture with a stereoscopic effect, and a better visual experience is provided for a user. In this embodiment, the movable adhesive layer 33 is made of glue, which can effectively prevent the refractive index difference from the substrate layer 31, prevent refraction and reflection from affecting the optical performance, and can be connected to the lens array 32.

Specifically, the peep-proof structure includes peep-proof substrate layer 11 and peep-proof layer 12, peep-proof layer 12 with the laminating of substrate layer 31, interval is equipped with filling hole 121 in peep-proof layer 12, filling hole 121 intussuseption is filled with resin material, in order to with peep-proof layer 12 interval is separated into transparent portion 122 and opaque portion 123, and the aperture of filling hole 121 from top to bottom gradually diminishes. Peep-proof layer 12 and peep-proof substrate layer 11 all adopt transparent material to make, and wherein, fill resin material through the filling hole 121 in peep-proof layer 12 and separate into transparent portion 122 and opaque portion 123 with peep-proof layer 12, can organize the outside refracting scope of light effectively like this for the refracting scope of light that display device sent is little, is difficult for being seen by the people next door, has strengthened secret nature.

In an embodiment of the present application, the surface of the peep-proof layer 12 corresponding to the opaque portion 123 is provided with a bump 124, the substrate layer 31 is provided with a groove matching with the bump 124, OCA glue is coated in the groove, and the thickness of the substrate layer 31 is 0.1mm to 0.18 mm. It should be noted that, through being equipped with the recess on substrate layer 31 to be equipped with bump 124 on the surface that peep-proof layer 12 corresponds to opaque portion 123, make when the laminating, bump 124 blocks into in the recess, later under the gluey effect of OCA, realize being connected of peep-proof layer 12 and substrate layer 31, compare the mode that traditional directly attached, can reduce the easy problem of pasting partially when attached effectively, promoted the peep-proof effect.

The utility model discloses bore hole 3D's peep-proof membrane's beneficial effect: by arranging the peep-proof structure layer 1 on one surface of the substrate layer 31 and filling the resin material in the filling hole 121 of the peep-proof layer 12 in the peep-proof structure layer 1, the peep-proof layer 12 is divided into the transparent part 122 and the opaque part 123, so that the transmission of transmitted light is reduced, the light emitted by equipment can be effectively prevented from being refracted in a larger range, and can be easily seen by people nearby, and the peep-proof effect is better; set up grating structure layer 3 on another surface of substrate layer 31 simultaneously for the light that passes peep-proof layer 12 and substrate layer 31 is refracted by grating structure layer 3, and under the refraction difference effect between removable glue film 33 and lens array 32, presents the 3D picture that has the stereoeffect, gives the better visual experience of user.

It is to be understood that the foregoing examples merely represent preferred embodiments of the present invention, and that the description thereof is more specific and detailed, but not intended to limit the scope of the invention; it should be noted that, for those skilled in the art, the above technical features can be freely combined, and several modifications and improvements can be made without departing from the concept of the present invention, which all belong to the protection scope of the present invention; therefore, all changes and modifications that come within the meaning and range of equivalency of the claims are to be embraced within their scope.

Claims (9)

1. An naked eye 3D privacy film, comprising:

a base layer;

a grating structure layer disposed on a surface of the base layer;

the silica gel layer is arranged on the grating structure layer;

a privacy protecting structural layer disposed on the other surface of the base layer.

2. The naked-eye 3D privacy film of claim 1, wherein the grating structure layer comprises a substrate layer, a removable adhesive layer and a plurality of lens arrays, the lens arrays are distributed on the substrate layer in order, the removable adhesive layer is disposed on the lens arrays and used for filling the lens arrays, the removable adhesive layer is connected with the base layer, and a refractive index difference exists between refractive indexes of the removable adhesive layer and the lens arrays.

3. The naked eye 3D privacy film of claim 2, wherein the refractive index difference is in a range of values from 0.18 to 0.2.

4. The naked eye 3D privacy film according to claim 3, wherein the refractive index of the removable adhesive layer is 1.38-1.4, and the refractive index of the lens array is 1.58-1.62.

5. The naked eye 3D privacy film of claim 2, wherein a pitch between adjacent lens arrays is 0.15-0.21 mm.

6. The naked-eye 3D privacy film of claim 1, wherein the privacy structure comprises a privacy substrate layer and a privacy layer, the privacy layer is attached to the substrate layer, filling holes are formed in the privacy layer at intervals, and resin materials are filled in the filling holes to partition the privacy layer into transparent parts and opaque parts at intervals.

7. The naked eye 3D privacy film of claim 6, wherein the pore size of the filling holes gradually decreases from top to bottom.

8. The naked eye 3D peep-proof film according to claim 6, characterized in that the peep-proof layer is provided with salient points on the surface corresponding to the opaque part, the substrate layer is provided with grooves matched with the salient points, and OCA glue is coated in the grooves.

9. The naked eye 3D privacy film of claim 2, wherein the substrate layer is 0.1mm to 0.18mm thick.

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