CN210706685U - Optical film and electronic device case - Google Patents
Optical film and electronic device case Download PDFInfo
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- CN210706685U CN210706685U CN201921323716.XU CN201921323716U CN210706685U CN 210706685 U CN210706685 U CN 210706685U CN 201921323716 U CN201921323716 U CN 201921323716U CN 210706685 U CN210706685 U CN 210706685U
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Abstract
The utility model relates to an optical film technical field especially relates to an optical film and electronic equipment casing. The optical film comprises a body, wherein a texture layer with a first micro-nano structure and a second micro-nano structure is arranged on a first surface of the body; the first micro-nano structure is arranged in a protruding and/or recessed mode, the second micro-nano structure is arranged in a protruding and/or recessed mode, and the first micro-nano structure and the second micro-nano structure are arranged in an occlusion mode to form interference textures. The first micro-nano structure and the second micro-nano structure of the texture layer in the optical film are meshed to form interference textures, so that not only can the shadow effect be seen, but also the interference textures can be seen during watching; meanwhile, only the first micro-nano structure and the second micro-nano structure are arranged on the first surface of the body, and compared with the case that the first micro-nano structure and the second micro-nano structure are respectively arranged on the upper surface and the lower surface of the body, the scheme simplifies the manufacturing process difficulty and reduces the thickness of the body.
Description
Technical Field
The utility model relates to an optical film technical field especially relates to an optical film and electronic equipment casing.
Background
At present, the consumer electronics industry develops faster and faster, and various manufacturers continuously seek technical innovation and functional innovation to meet the development trends of environmental protection, energy conservation and differentiation. The design of consumer electronics products has not been limited to functional perfection, and many designers have focused on the design of the appearance of consumer electronics products. Taking a mobile phone as an example, the mobile phone cover plate not only plays a role in protecting parts inside the mobile phone, but also plays a role in beautifying and decorating the mobile phone, and the design of the mobile phone cover plate with excellent decoration effect can not only increase the value of the mobile phone, but also improve the use experience of users, and increase the selection range of the users for the appearance of the mobile phone, so that the mobile phone is popular with more users.
However, the current decoration design of the mobile phone cover plate focuses on the replacement of materials (such as glass, metal, plastic) or the replacement of a single color of a color layer, which results in a single vision and an insufficient vivid picture, thereby causing a poor decoration effect.
Therefore, there is a need for an optical film and an electronic device housing to solve the above problems.
SUMMERY OF THE UTILITY MODEL
The utility model provides an optical film and electronic equipment casing to solve above-mentioned at least one technical problem.
The utility model provides an optical film, which comprises a body, wherein a texture layer with a first micro-nano structure and a second micro-nano structure is arranged on the first surface of the body;
the first micro-nano structure is arranged in a protruding and/or sunken mode, the second micro-nano structure is arranged in a protruding and/or sunken mode, and the first micro-nano structure and the second micro-nano structure are arranged in an occlusion mode to form interference textures.
Preferably, the first micro-nano structure and the second micro-nano structure have a difference in at least one of type, length, width, height, angle, density, radian, inclination and period.
Preferably, the occlusion parts of the first micro-nano structure and the second micro-nano structure are arranged at intervals or continuously.
Preferably, the occlusion parts of the first micro-nano structure and the second micro-nano structure are provided with protruding structures.
Preferably, the protruding structures and the first micro-nano structures and the protruding structures and the second micro-nano structures are arranged at intervals or continuously.
Preferably, the cross-sectional shapes of the first micro-nano structure and the second micro-nano structure include one or more of a triangle, an arch, a rectangle, an inverted trapezoid and an irregular polygon.
Preferably, the first micro-nano structure comprises at least one of a linear cylindrical mirror, a curved cylindrical mirror, a prism, a micro-lens, a fresnel lens, a CD pattern, a small stub, a wire drawing pattern and a moth-eye structure which are arranged in a protruding and/or recessed manner.
Preferably, the second micro-nano structure comprises at least one of a linear cylindrical mirror, a curved cylindrical mirror, a prism, a micro-lens, a fresnel lens, a CD pattern, a small stub, a wire drawing pattern and a moth-eye structure which are arranged in a protruding and/or recessed manner.
Preferably, the body is at least one of a glass layer, a PET layer, a PMMA layer, a PC layer, a thermosetting or photo-curing polymer layer, a sapphire glass layer.
An electronic device shell comprises a base layer and an optical film arranged on the base layer, wherein the optical film is the optical film.
Preferably, the optical film further comprises a reflecting layer arranged on the first micro-nano structure and the second micro-nano structure, a coloring layer arranged on the reflecting layer, and an adhesive layer arranged on the second surface of the body;
the second surface is opposite to the first surface, and the optical film is bonded on the base layer through the adhesive layer.
Has the advantages that:
the first micro-nano structure and the second micro-nano structure in the optical film provided by the utility model are meshed to form interference textures, so that the interference textures can be seen as well as the shadow effect when the optical film is watched; simultaneously, only set up first micro nano structure and second micro nano structure at the first surface of body, compare and set up first micro nano structure and second micro nano structure respectively at the upper and lower surface of body, the utility model provides a technical scheme has simplified the preparation technology degree of difficulty more, has reduced the thickness of body to reduce manufacturing cost, guaranteed that optical film changes in when the thermoprint cuts off.
It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the invention, as claimed.
Drawings
Fig. 1 is a top view of an optical film according to an embodiment of the present invention;
fig. 2 is a schematic cross-sectional view of an optical film according to an embodiment of the present invention;
fig. 3 is a top view of an optical film according to a second embodiment of the present invention;
fig. 4 is a schematic cross-sectional view of an optical film according to a second embodiment of the present invention;
fig. 5 is another schematic cross-sectional view of an optical film according to an embodiment of the present invention;
fig. 6 is a top view of an optical film according to a third embodiment of the present invention;
fig. 7 is a schematic cross-sectional view of an optical film according to a third embodiment of the present invention;
fig. 8 is another schematic cross-sectional view of an optical film according to a third embodiment of the present invention;
fig. 9 is a schematic cross-sectional view of an electronic device housing according to the present invention.
Reference numerals:
10-a body;
21-a first micro-nano structure;
22-a second micro-nano structure;
23-raised structures;
30-a tie layer;
40-a base layer;
50-a reflective layer;
60-coloring layer.
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the invention and together with the description, serve to explain the principles of the invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
In the description of the present invention, unless explicitly stated or limited otherwise, the terms "first", "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance; the term "plurality" means two or more unless specified or indicated otherwise; the terms "connected," "fixed," and the like are to be construed broadly and may, for example, be fixedly connected, detachably connected, integrally connected, or electrically connected; may be directly connected or indirectly connected through an intermediate. 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 description of the present invention, it should be understood that the terms "upper" and "lower" used in the embodiments of the present invention are used in the angle shown in the drawings, and should not be construed as limiting the embodiments of the present invention. In addition, in this context, it will also be understood that when an element is referred to as being "on" or "under" another element, it can be directly on "or" under "the other element or be indirectly on" or "under" the other element via an intermediate element.
As shown in fig. 1 to fig. 8, which are schematic structural diagrams (including a top view and a cross-sectional diagram) of the optical film provided by the present invention, respectively.
The optical film comprises a body 10, wherein a texture layer with a first micro-nano structure 21 and a second micro-nano structure 22 is arranged on a first surface of the body 10; the first micro-nano structure 21 is arranged in a protruding and/or recessed mode, the second micro-nano structure 22 is arranged in a protruding and/or recessed mode, and the first micro-nano structure 21 and the second micro-nano structure 22 are arranged in an occlusion mode to form interference textures. The interference texture is not a mechanical structure (for example, a real structure in which a protrusion and/or a depression is formed on a certain material, that is, the first micro-nano structure 21 and the second micro-nano structure 22 are both real structures), and is an optical effect formed by meshing and setting interference between the first micro-nano structure 21 and the second micro-nano structure 22, so the interference texture is an optical effect texture. The utility model provides an interlock setting of first micro nano structure 21 and second micro nano structure 22 forms the interference texture among the optical film, so make can not only see the shadow effect and can also see the interference texture when watching.
Specifically, the hardness of the texture layer is not less than 2H, and since the surface (i.e., the first surface) where the first micro-nano structure 21 and the second micro-nano structure 22 are located needs to be the user surface, it is ensured that the hardness of the material forming the texture layer is not less than 2H. The laminated structure of the body 10 is made of a material having a certain hardness toward the user surface, so as to ensure that the user surface is not damaged due to the hardness problem.
It can be understood that, the first surface of body 10 indicates the surface of a same side on the body 10, so only sets up first micro nano structure 21 and second micro nano structure 22 on one of them surface of body 10, compares and sets up first micro nano structure 21 and second micro nano structure 22 respectively at the upper and lower surface of body 10, the utility model provides a technical scheme has simplified the preparation technology degree of difficulty more, has reduced the thickness of body 10 to manufacturing cost has been reduced, has guaranteed that optical film is more easily cut off when the thermoprint.
Further, in order to make the formed interference texture more obvious, the first micro-nano structure 21 and the second micro-nano structure 22 need to have a difference. The above differences refer to: the first micro-nano structure 21 and the second micro-nano structure 22 have a difference in at least one of type, length, width, height, angle, density, radian, inclination, and period.
For example, the first micro-nano structure 21 and the second micro-nano structure 22 only have a difference in angle formed therebetween, and the interference texture may generate visual effects with different visual senses according to the magnitude of angular deflection, wherein the presence of at least one angle (for example, 45 °) in the deflected angle enables the light and shadow effect of the interference texture to be clearest.
The first micro-nano structure 21 and the second micro-nano structure 22 are respectively made of one or more polymers, and the polymers can be light-transmitting materials or light-proof materials, namely materials with light transmittance or without light transmittance. Meanwhile, the first micro-nano structure 21 and the second micro-nano structure 22 may be colored or colorless, that is, whether the material forming the first micro-nano structure 21 and the second micro-nano structure 22 is colorless or colored or not is mainly used, and both interference textures with a light and shadow effect can be formed.
The polymer can be a single polymer or a mixed polymer formed by mixing a plurality of non-reactive single polymers. The polymer may have a light transmission of greater than 70%, or the polymer is a transparent color or visually appears transparent. The polymer may be a resin material such as PET (polyethylene terephthalate), PVC (polyvinyl chloride), PC (Polycarbonate), or PMMA (polymethyl methacrylate), or a photo-curable adhesive or a thermosetting adhesive such as uv (ultravioletrays), oca (optically curable clear adhesive).
The first micro-nano structure 21 comprises at least one of a line cylindrical mirror, a curve cylindrical mirror, a prism, a micro lens, a Fresnel lens, a CD (compact disc) pattern, a small short line, a wire drawing pattern and a moth eye structure which are arranged in a protruding and/or recessed manner; similarly, the second micro-nano structure 22 also includes at least one of a linear cylindrical mirror, a curved cylindrical mirror, a prism, a micro-lens, a fresnel lens, a CD pattern, a small stub, a wire-drawing pattern, and a moth-eye structure, which are arranged in a convex and/or concave manner.
Further, the body 10 is one or a combination of two or more of a glass layer, a PET layer, a PMMA layer, a PC layer, a thermosetting or photo-curing polymer layer, and a sapphire glass layer, and the body 10 herein does not have to be a single layer structure, and may be a stack of multiple layers. In particular implementations, the body 10 may be a material structure, such as a glass layer; it may be a laminated structure of a plurality of materials, for example, a glass layer + an adhesive material layer + a PET layer + a photo-curing or thermosetting polymer layer, or an organic glass layer + an adhesive layer + a PET layer + a photo-curing or thermosetting polymer layer, or a glass layer + a photo-curing or thermosetting polymer layer, or the like.
The first micro-nano structure 21 and the second micro-nano structure 22 may be directly formed on the upper surface of the body 10 or may form an integral structure with the body 10. In the preparation process, after the body 10 is prepared, the first micro-nano structure 21 and the second micro-nano structure 22 are simultaneously prepared on the upper surface of the body 10. It should be noted that when the polymers constituting the first micro-nano structure 21 and the second micro-nano structure 22 are different from the polymers constituting the body 10, interfaces (not shown in the figure) exist between the first micro-nano structure 21 and the second micro-nano structure 22 and the body 10 respectively.
Referring to fig. 1 and 2, in a first embodiment, the first micro-nano structure 21 and the second micro-nano structure 22 are engaged, and the first micro-nano structure and the second micro-nano structure are engaged to form a structure with an overall arc-shaped cross section.
Referring to fig. 3 to 5, in a second embodiment, the first micro-nano structure 21 and the second micro-nano structure 22 are engaged, and the two micro-nano structures are engaged to form a structure with two arc-shaped cross sections. At this time, the occlusion portions of the first micro-nano structure 21 and the second micro-nano structure 22 are disposed at intervals (see fig. 5) or disposed continuously (see fig. 4).
Referring to fig. 6 to 8, in a third embodiment, the engaging portion of the first micro-nano structure 21 and the second micro-nano structure 22 has a protruding structure 23, the first micro-nano structure 21 and the second micro-nano structure 22 form a structure with three arc-shaped cross sections after engaging, and the protruding structure 23 and the first micro-nano structure 21 and the protruding structure 23 and the second micro-nano structure 22 are arranged at intervals (see fig. 8) or continuously (see fig. 7).
Specifically, the cross-sectional shapes of the first micro-nano structure 21 and the second micro-nano structure 22 include one or more of a triangle, a rectangle, an inverted trapezoid, and an irregular polygon in addition to the bow shape.
Referring to fig. 9, the present invention further provides an electronic device housing, which includes a base layer 40 and an optical film bonded on the base layer 40, wherein the optical film is the above-mentioned optical film.
The electronic equipment comprises a 3C product and can also be a white appliance. For example, the electronic device is a mobile phone, an ipad, a notebook, a smart watch, an ipod, a camera, a video camera, or a smart bracelet, and the electronic device cover plate is a front cover and/or a rear cover of the mobile phone, or a front cover and/or a rear cover of a tablet computer. The electronic equipment has very good gradually-changed decorative three-dimensional effect, stable pictures and texts and lower cost.
The utility model provides an optical film can be used for trades such as anti-fake, packing equally, when trades such as anti-fake and packing, optical film can be transmission-type or reflective, and reflective effect film can be equipped with reflection stratum 50 in one side of first surface (on first micro nano structure 21 and second micro nano structure 22 promptly), and the observation face can be in one side of second surface like this, and can also be in blank department in the optical film is equipped with marks such as some holographic patterns, pictures and texts, strengthens optical film's pluralism nature.
Preferably, when the optical film is a reflective optical film, the optical film further includes a reflective layer 50 disposed on the first micro-nano structure 21 and the second micro-nano structure 22, a colored layer 60 disposed on the reflective layer 50, and an adhesive layer 30 disposed on the second surface of the body, and the optical film is bonded to the base layer 40 through the adhesive layer 30. Wherein, the base layer 40 can be a glass sheet, a plastic sheet or a metal sheet; the colored layer 30 may be a primer layer formed of ink; the adhesive layer 30 may be formed of OCA or other transparent jelly-like substance.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (11)
1. An optical film is characterized by comprising a body, wherein a texture layer with a first micro-nano structure and a second micro-nano structure is arranged on a first surface of the body;
the first micro-nano structure is arranged in a protruding and/or sunken mode, the second micro-nano structure is arranged in a protruding and/or sunken mode, and the first micro-nano structure and the second micro-nano structure are arranged in an occlusion mode to form interference textures.
2. An optical film as recited in claim 1, wherein the first and second micro-nano structures differ in at least one of type, length, width, height, angle, density, arc, slope, and period.
3. An optical film according to claim 1, wherein the first micro-nano structure and the second micro-nano structure have meshing parts arranged at intervals or continuously.
4. An optical film according to claim 1, wherein the first micro-nano structure and the second micro-nano structure have a convex structure at the occlusion part.
5. An optical film according to claim 4, wherein the raised structures and the first micro-nano structure and the raised structures and the second micro-nano structure are arranged at intervals or continuously.
6. An optical film according to claim 1, wherein the first micro-nano structure and the second micro-nano structure have cross-sectional shapes including one or more of a triangle, an arch, a rectangle, an inverted trapezoid, and an irregular polygon.
7. An optical film as recited in claim 1, wherein the first micro-nano structures comprise at least one of raised and/or recessed line-cylindrical mirrors, curved cylindrical mirrors, prisms, microlenses, fresnel lenses, CD patterns, small stubs, filamentation, and moth-eye structures.
8. An optical film as recited in claim 1, wherein the second micro-nano structures comprise at least one of raised and/or recessed linear cylindrical mirrors, curved cylindrical mirrors, prisms, microlenses, fresnel lenses, CD patterns, small stubs, filamentation, and moth-eye structures.
9. An optical film as recited in any one of claims 1-8, wherein the body is at least one of a glass layer, a PET layer, a PMMA layer, a PC layer, a thermally or photo cured polymer layer, and a sapphire glass layer.
10. An electronic device housing comprising a base layer and an optical film disposed on the base layer, wherein the optical film is the optical film according to any one of claims 1 to 9.
11. The electronic device case of claim 10, wherein the optical film further comprises a reflective layer disposed on the textured layer, a colored layer disposed on the reflective layer, and an adhesive layer disposed on the second surface of the body;
the second surface is opposite to the first surface, and the optical film is bonded on the base layer through the adhesive layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921323716.XU CN210706685U (en) | 2019-08-15 | 2019-08-15 | Optical film and electronic device case |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921323716.XU CN210706685U (en) | 2019-08-15 | 2019-08-15 | Optical film and electronic device case |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210706685U true CN210706685U (en) | 2020-06-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921323716.XU Active CN210706685U (en) | 2019-08-15 | 2019-08-15 | Optical film and electronic device case |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210706685U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111716951A (en) * | 2020-06-11 | 2020-09-29 | 维沃移动通信有限公司 | Manufacturing process of shell, shell and electronic equipment |
| CN112389123A (en) * | 2019-08-15 | 2021-02-23 | 昇印光电（昆山）股份有限公司 | Optical film and electronic device case |
| CN113490376A (en) * | 2021-07-19 | 2021-10-08 | Oppo广东移动通信有限公司 | Decorative film, housing, and electronic device |
-
2019
- 2019-08-15 CN CN201921323716.XU patent/CN210706685U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112389123A (en) * | 2019-08-15 | 2021-02-23 | 昇印光电（昆山）股份有限公司 | Optical film and electronic device case |
| CN111716951A (en) * | 2020-06-11 | 2020-09-29 | 维沃移动通信有限公司 | Manufacturing process of shell, shell and electronic equipment |
| CN113490376A (en) * | 2021-07-19 | 2021-10-08 | Oppo广东移动通信有限公司 | Decorative film, housing, and electronic device |
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