CN109151109B - Decorative film and mobile phone rear cover - Google Patents
Decorative film and mobile phone rear cover Download PDFInfo
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- CN109151109B CN109151109B CN201810921364.1A CN201810921364A CN109151109B CN 109151109 B CN109151109 B CN 109151109B CN 201810921364 A CN201810921364 A CN 201810921364A CN 109151109 B CN109151109 B CN 109151109B
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- cylindrical
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- curved surface
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/02—Constructional features of telephone sets
- H04M1/0202—Portable telephone sets, e.g. cordless phones, mobile phones or bar type handsets
- H04M1/0279—Improving the user comfort or ergonomics
- H04M1/0283—Improving the user comfort or ergonomics for providing a decorative aspect, e.g. customization of casings, exchangeable faceplate
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B3/00—Simple or compound lenses
- G02B3/02—Simple or compound lenses with non-spherical faces
- G02B3/06—Simple or compound lenses with non-spherical faces with cylindrical or toric faces
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- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Laminated Bodies (AREA)
- Optical Elements Other Than Lenses (AREA)
- Telephone Set Structure (AREA)
Abstract
The invention discloses a decorative film which comprises a bearing layer and a plurality of cylindrical lenses. The carrier layer includes a first side. And the cylindrical lenses are arranged on the first side surface of the bearing layer and comprise cylindrical surfaces which are raised or collapsed and extended relative to the first side surface. Along the lenticular width direction, the post surface sets up asymmetrically, just the post surface includes that at least one section is the plano. The light beam effect can be presented, different optical effects can be presented from two asymmetric sides, and a better decorative effect is achieved. In addition, also discloses a mobile phone rear cover with the decorative film.
Description
Technical Field
The invention particularly relates to a decorative film and a mobile phone rear cover, and belongs to the field of optics.
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 for the cover plate of the mobile phone focuses on the replacement of materials (such as glass, metal, plastic) or the replacement of a single color of a color layer, resulting in a single vision and a less vivid picture, thereby resulting in a poor decoration effect.
Disclosure of Invention
The main object of the present invention is to provide a decorative film which can exhibit variable shadows and achieve a good decorative effect, thereby overcoming the disadvantages of the prior art.
The invention also aims to provide a mobile phone rear cover with the decorative film.
In order to achieve the purpose of the invention, the technical scheme adopted by the invention comprises the following steps:
an ornamental film, comprising:
a carrier layer comprising a first side;
a plurality of cylindrical lenses arranged on the first side of the bearing layer, wherein the cylindrical lenses comprise cylindrical surfaces which are raised or collapsed and extended relative to the first side;
along the lenticular width direction, the post surface sets up asymmetrically, just the post surface includes that at least one section is the plano.
In some embodiments, the planar surface has a surface area greater than 50% of the surface area of the post surface.
In some embodiments, the planar surface extends obliquely from the first side surface by an angle of 120 ° to 170 °.
In some embodiments, the post surface includes a curved surface extending from the first side surface and the flat surface extending from the first side surface, the curved surface being smoothly connected to the flat surface.
In some embodiments, the curved surface corresponds to an arc in a cross-section of the cylindrical lens, and the arc has an included angle in a range of 5 ° to 95 °.
In some embodiments, the pillar surface includes a curved surface and two flat surfaces, two sides of the curved surface are respectively connected to one flat surface, and one side of each flat surface is connected to the curved surface and the other side is connected to the first side surface.
In some embodiments, the two flat surfaces are disposed at an angle to the first side, wherein the angle of inclination of one of the flat surfaces is 95 ° to 175 °.
In some embodiments, the height or depth of the cylindrical lenses ranges from 1 μm to 25 μm, the cylindrical lenses are arranged with or without a space, and the arrangement period is from 3 μm to 120 μm.
In some embodiments, the optical fiber lens further comprises a base layer, a reflecting layer and a coloring layer, wherein the bearing layer is arranged on the base layer, the reflecting layer covers the cylindrical lens, the coloring layer covers the reflecting layer, and the base layer is provided with a logo capable of presenting shadows with different depth of field effects.
The embodiment of the invention also provides a mobile phone rear cover which comprises a shell and the decorative film arranged on the shell.
Compared with the prior art, the decorative film has the advantages that the cylindrical surface of the cylindrical lens is arranged asymmetrically, the cylindrical surface comprises at least one section of flat surface, the light column effect can be presented, different optical effects can be presented from two asymmetric sides, and the decorative film has a good decorative effect.
Drawings
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, it is obvious that the drawings in the following description are only some embodiments described in the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic cross-sectional view of the decoration film of the present invention.
FIG. 2 is a schematic cross-sectional view of another decoration film of the present invention.
FIG. 3 is a schematic cross-sectional view of another decoration film of the present invention.
FIG. 4 is a schematic cross-sectional view of another decoration film of the present invention.
FIG. 5 is a schematic cross-sectional view of another decorative film of the present invention.
Fig. 6 is a schematic cross-sectional structure diagram of the rear cover of the mobile phone of the present invention.
FIG. 7 is a schematic diagram of the depth of field of a logo according to the present invention.
Detailed Description
In view of the deficiencies in the prior art, the inventors of the present invention have made extensive studies and extensive practices to provide technical solutions of the present invention. The technical solution, its implementation and principles, etc. will be further explained as follows.
It is to be noted that the definitions of the terms mentioned in the description of the present invention are known to those skilled in the art. Also, unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
The invention discloses a decorative film, which comprises a bearing layer and a plurality of cylindrical lenses. The carrier layer includes a first side. A plurality of cylindrical lenses are arranged on the first side of the carrier layer, the cylindrical lenses including cylindrical surfaces extending in a raised or collapsed manner relative to the first side. Along the width direction of the cylindrical lens, the cylindrical surface is asymmetrically arranged, and the cylindrical surface comprises at least one section which is a flat surface.
The decorative film can observe a light column under natural light, can observe a wider light column under a light source, particularly under a single light source, has soft light and shadow effect and better decorative effect.
Preferably, the planar surface has a surface area greater than 50% of the surface area of the post surface, the planar surface enhancing the optical effect.
Preferably, the planar surface extends obliquely from the first side at an angle of from 95 ° to 175 °, with a certain inclination further enhancing the light effect.
Preferably, the post surface includes a curved surface extending from the first side surface and a flat surface extending from the first side surface, the curved surface being smoothly connected to the flat surface. The combination of curved and flat surfaces enables a richer optical effect.
The curved surface is provided with a section of arc on the section of the cylindrical lens correspondingly, and the included angle of the arc ranges from 5 degrees to 95 degrees. The arc makes the light softer, and the smooth surface can strengthen the light effect to present abundant optical effect.
Preferably, the surface of the pillar comprises a section of curved surface and two sections of flat surfaces, two sides of the curved surface are respectively connected with the section of flat surface, and one side of each section of flat surface is connected with the curved surface and the other side of each section of flat surface is connected with the first side surface. The two sections of flat surfaces are arranged obliquely to the first side surface, and the inclination angle of one section of flat surface is 120-170 degrees.
Preferably, the height or depth of the cylindrical lens is in the range of 1 μm to 50 μm. For example, the cylindrical lens is arranged in a convex mode, and the height of the cylindrical lens is 3 μm and 6 μm. For example, the cylindrical lens is a concave arrangement with a depth of 5 μm and 12 μm. The plurality of cylindrical lenses are arranged at intervals or without intervals, and the arrangement period is 3-120 mu m. For example, the plural cylindrical lenses are arranged without space, and the arrangement period is the width of the cylindrical lens, for example, 60 μm. For example, the plurality of cylindrical lenses are arranged at intervals, the arrangement period is the sum of the width of the cylindrical lenses and the width of the intervals, for example, the width of the cylindrical lenses is 50 μm, and the interval between two adjacent cylindrical lenses is 10 μm, then the arrangement period is 60 μm. Preferably, the arrangement period is 40 μm to 120 μm, and the decorative film may exhibit rainbow patterns in this period range, further increasing the decorative effect.
Preferably, the decorative film further includes a base layer, a reflective layer and a colored layer. The bearing layer is arranged on the base layer, the reflecting layer covers the cylindrical lens, and the coloring layer covers the reflecting layer. For example, the base layer is a PET layer, and further the PET layer can be colored PET. The reflective layer may be formed on the optical structure layer by various methods such as electroplating, metal evaporation, sputtering, printing, etc., and may be flat or conformally coated on the optical structure layer. The reflective layer may be made of a metal such as Ag or Al, or may be formed by alternately stacking a plurality of silicon nitride, titanium oxide, silicon oxide materials having different refractive indices, or the like.
Preferably, a logo is arranged on the base layer, and the asymmetric performance of the cylindrical lens enables the logo to present shadows with different depth of field effects.
Preferably, the bearing layer is a UV adhesive layer, and the first side surface of the UV adhesive layer is stamped and formed with a plurality of cylindrical lenses.
Preferably, the UV glue layer is a coloured glue layer.
The invention also discloses a mobile phone rear cover which comprises a shell and the decorative film arranged on the shell.
Preferably, the decorative film is adhered to the shell through glue pressing, and the shell is a transparent glass shell.
Preferably, the housing is a transparent PC composite layer, for example a composite layer of PC and PMMA.
The technical scheme of the invention is further explained in detail by a plurality of embodiments and the accompanying drawings. However, the examples are chosen only for the purpose of illustrating the invention and are not to be construed as limiting the scope of the invention.
Referring to fig. 1, the present invention discloses a decoration film 1 including a carrier layer 11 and a plurality of cylindrical lenses 12. The carrier layer 11 comprises a first side 111 and a second side 112 arranged opposite to each other. The plurality of cylindrical lenses 12 are arranged on the first side 111 of the carrier layer 11. The lenticular lens 12 includes a cylindrical surface extending convexly with respect to the first side 111. The cylindrical surface is asymmetrically disposed along the width of the cylindrical lens (i.e., from the cross-sectional angle shown in fig. 1). The post surface includes a curved surface 121 and a flat surface 122. Viewed in cross-section, appear as curves and lines. The curve and the straight line are smoothly connected so as to avoid sharp influence on the optical effect. The column surface is asymmetrically arranged and comprises a curved surface 121 and a flat surface 122, the decorative film 1 has a visible light column effect, and under a light source, the light column effect is wider and more obvious, and the decorative film has a better decorative effect.
In particular, the planar surface 122 is obliquely disposed with an inclination angle α of 95 ° to 175 °, such as α of 150 °. The flat surface is obliquely arranged, and the inclined angle is relatively larger, so that the effects of reflection, refraction and the like of light can be enhanced. The curved surface is provided with a section of arc corresponding to the section of the cylindrical lens, and the included angle beta of the arc is 5-95 degrees, for example, the beta is 60 degrees. The arrangement of the curved surface can make the light and shadow soft and make the observation more comfortable.
Specifically, the height h of the cylindrical lens 12 is in the range of 1 μm to 25 μm, for example, 7 μm. In the embodiment shown in FIG. 1, the cylindrical lenses 12 are arranged at intervals, and the arrangement period L of the cylindrical lenses 12 is in the range of 5 μm to 120 μm. For example, the arrangement period is 80 μm, wherein the width of the cylindrical lenses 12 is 70 μm and the width of the spaces is 10 μm. The decorative film can present rainbow patterns within an arrangement period range of 40-120 μm.
Referring to fig. 2, a second embodiment of the decoration film of the present invention, the decoration film 2 is different from the decoration film 1 in that the lenticular lenses 22 are arranged without space. The arrangement period may still be set to 40 μm to 120 μm, for example, the arrangement period is 80 μm, that is, the width of the cylindrical lens 22 is 80 μm.
Referring to FIG. 3, the decoration film 3 of the third embodiment of the decoration film of the present invention is different from the decoration film 1 in that the lenticular lens 32 is recessed, and the depth h of the lenticular lens 32 is in the range of 1 μm to 25 μm, such as 8 μm.
Referring to fig. 4, the decoration film 4 of the fourth embodiment of the decoration film of the present invention is different from the decoration film 1 in that the cylindrical surface of the cylindrical lens 42 includes a curved surface and two flat surfaces: a curved surface 421, a first flat surface 422, and a second flat surface 423. The first flat surface 422 extends from the first surface 411, the second flat surface 423 extends from the first surface 411, and the curved surface 421 smoothly connects the first flat surface 422 and the second flat surface 423. Both the first and second flat surfaces 422 and 423 are inclined, and the inclination angle of the first flat surface 422 is different from that of the second flat surface 423.
Referring to fig. 5, a fifth embodiment of the decoration film of the present invention, the decoration film 5 is different from the decoration film 1 in that the decoration film 5 further includes a base layer 53, a reflective layer 54 and a coloring layer 55. Preferably, the base layer 53 is a PET layer. The carrier layer 51 is disposed on the base layer 53, the reflective layer 54 is disposed on the cylindrical lens 52, and the colored layer 55 is disposed on the reflective layer 54. In other embodiments, the substrate is a carrier layer, and the lenticular lens is directly formed on the substrate.
Referring to fig. 6, the present invention further discloses a mobile phone rear cover 6, which includes a transparent casing 61 and a decorative film 5 adhered on the transparent casing 61. The decoration film 5 further includes a logo56 disposed on the base layer 53. The logo56 has a stereoscopic effect and a depth of field effect when viewed from the transparent case 61. Of course, in other embodiments, the logo is not necessarily required, other pictures or characters may be used, and a combination of the pictures, the characters and the logo may be used.
Fig. 7 is a schematic diagram showing a perspective view of a shadow of a logo, with a depth of field, which is visible under the logo. Taking the cylindrical lens with two flat surfaces, wherein phi = | pi-2 alpha-2 beta | and d ≈ 1/tan phi, the cylindrical lens can present the depth of field effect, so that the decorative film has good decorative effect.
It should be understood that the above description is only exemplary of the present invention, and that other variations and modifications may be effected within the scope of the invention as claimed by those skilled in the art without departing from the inventive concept.
Claims (7)
1. An ornamental film, characterized in that it comprises:
a carrier layer comprising a first side;
a plurality of cylindrical lenses arranged on the first side surface of the bearing layer at intervals or without intervals, wherein each cylindrical lens in the plurality of cylindrical lenses comprises a cylindrical surface, the cylindrical surface comprises a curved surface and a flat surface, the curved surface corresponds to an arc on the cross section of the cylindrical lens, the included angle of the arcs is 5-95 degrees, one end of the flat surface is connected with the curved surface, the other end of the flat surface extends obliquely from the first side surface, the inclined angle alpha of the flat surface relative to the first side surface is 95-175 degrees, the curved surface and the flat surface in the cylindrical surface both extend in a raised or collapsed way relative to the first side surface, and the height or depth of the plurality of cylindrical lenses ranges from 1 μm to 25 μm;
along the width direction of the cylindrical lens, the cylindrical surface is arranged asymmetrically, and the asymmetric arrangement enables the two sides of the cylindrical surface to present different optical effects.
2. The decorated film of claim 1 wherein the planar surface has a surface area greater than 50% of the surface area of the post surface.
3. The decoration film of claim 1, wherein the pillar surface comprises a curved surface and two flat surfaces, wherein two sides of the curved surface are respectively connected with one flat surface, and one side of each flat surface is connected with the curved surface while the other side is connected with the first side.
4. The decoration film of claim 3, wherein the two flat surfaces are disposed obliquely to the first side, and wherein the angle of inclination of one of the flat surfaces is 120 ° to 170 °.
5. The decoration film of claim 1, wherein the plurality of cylindrical lenses have an arrangement period of 3 μm to 120 μm.
6. The decoration film according to claim 1, further comprising a base layer, a reflection layer and a coloring layer, wherein the carrier layer is disposed on the base layer, the reflection layer covers the lenticular lens, the coloring layer covers the reflection layer, and a logo capable of showing a shadow is disposed on the base layer.
7. A mobile phone rear cover, characterized in that it comprises a housing and the decorative film of any one of claims 1-6 disposed on the housing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810921364.1A CN109151109B (en) | 2018-08-14 | 2018-08-14 | Decorative film and mobile phone rear cover |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810921364.1A CN109151109B (en) | 2018-08-14 | 2018-08-14 | Decorative film and mobile phone rear cover |
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| Publication Number | Publication Date |
|---|---|
| CN109151109A CN109151109A (en) | 2019-01-04 |
| CN109151109B true CN109151109B (en) | 2022-11-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201810921364.1A Active CN109151109B (en) | 2018-08-14 | 2018-08-14 | Decorative film and mobile phone rear cover |
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| Country | Link |
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| CN (1) | CN109151109B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110682882B (en) * | 2019-08-09 | 2021-07-16 | 东风汽车有限公司 | Decorate grid plate and car |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205818770U (en) * | 2016-05-27 | 2016-12-21 | 苏州苏大维格光电科技股份有限公司 | Decorating film and ambetti |
| CN206023857U (en) * | 2016-08-15 | 2017-03-15 | 昇印光电（昆山）股份有限公司 | A kind of hand-set lid and mobile phone |
| CN206684332U (en) * | 2017-03-11 | 2017-11-28 | 昇印光电（昆山）股份有限公司 | One kind prepares decorating film mould and decorating film |
| CN206796687U (en) * | 2017-03-11 | 2017-12-26 | 昇印光电（昆山）股份有限公司 | Decorating film |
-
2018
- 2018-08-14 CN CN201810921364.1A patent/CN109151109B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205818770U (en) * | 2016-05-27 | 2016-12-21 | 苏州苏大维格光电科技股份有限公司 | Decorating film and ambetti |
| CN206023857U (en) * | 2016-08-15 | 2017-03-15 | 昇印光电（昆山）股份有限公司 | A kind of hand-set lid and mobile phone |
| CN206684332U (en) * | 2017-03-11 | 2017-11-28 | 昇印光电（昆山）股份有限公司 | One kind prepares decorating film mould and decorating film |
| CN206796687U (en) * | 2017-03-11 | 2017-12-26 | 昇印光电（昆山）股份有限公司 | Decorating film |
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| Publication number | Publication date |
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| CN109151109A (en) | 2019-01-04 |
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