CN214873128U - Color-changing film with color changing along with angle - Google Patents
Color-changing film with color changing along with angle Download PDFInfo
- Publication number
- CN214873128U CN214873128U CN202022753783.4U CN202022753783U CN214873128U CN 214873128 U CN214873128 U CN 214873128U CN 202022753783 U CN202022753783 U CN 202022753783U CN 214873128 U CN214873128 U CN 214873128U
- Authority
- CN
- China
- Prior art keywords
- color
- layer
- changing
- film
- angle
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Laminated Bodies (AREA)
Abstract
The utility model belongs to the technical field of the membrane that discolours, concretely relates to colour membrane that discolours that colour changes along with angle, include: the method comprises the following steps: the base layer is made of a flexible film material; the color-changing layer is a photonic crystal film, and the photonic crystal film is attached to the upper surface of the base layer; a plurality of nano microspheres are arranged in the photonic crystal film, and are uniformly distributed in the photonic crystal film. In the structure, the color changing layer can change the color of the device through changing the angle, the color is flexible and not rigid, and meanwhile, the device is simple in structure, convenient to process, environment-friendly and pollution-free, and can be widely applied to equipment needing film pasting.
Description
Technical Field
The utility model belongs to the technical field of the membrane that discolours, concretely relates to colour membrane that discolours that colour changes along with the angle.
Background
The pvd (physical Vapor deposition) process is to use low voltage and large current arc discharge technology under vacuum condition, to evaporate the target material by gas discharge and to ionize the evaporated material and gas, and then to deposit the evaporated material and its reaction product on the workpiece by the acceleration of the electric field, such as CN 111427212A. In order to improve the performance such as density and hardness, new elements are required to be added to improve the red hardness, and the new elements are all discolored with different effects by a chemical method. The process has high requirements on energy consumption, severe environmental pollution, high equipment precision, low yield and ineffectively ensured product consistency.
How to produce products with more economy, environmental protection, energy conservation and high consistency is unsolved by the prior art.
Therefore, in order to overcome the defects, a color-changing film with the color changing along with the angle is urgently needed to be provided, and the effect that the product shows different colors along with the change of the angle can be realized without a coating PVD (physical vapor deposition) process.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a colour is along with the color-changing membrane of angle change to solve the complicated problem of color-changing membrane processing technology among the prior art.
The utility model provides a colour is along with color-changing membrane of angle change, include: the base layer is made of a flexible film material; the color-changing layer is a photonic crystal film, and the photonic crystal film is attached to the upper surface of the base layer; a plurality of nano microspheres are arranged in the photonic crystal film, and are uniformly distributed in the photonic crystal film.
The color-changing film with the color changing with the angle as described above, and further preferably, the film material may be a PET film, a PC film, a PU film or a TPU film.
In the color-changing film whose color changes with angle as described above, it is further preferable that the thickness of the base layer is 5 μm to 200 μm.
In the color-changing film whose color changes with angle as described above, it is more preferable that the thickness of the color-changing layer is 5 μm to 100 μm.
The color-changing film with the color changing along with the angle is further preferably that the diameter of the nano microsphere is 150-300 nm.
The color-changing film whose color changes with angle as described above further preferably further includes an ink layer provided on an upper surface of the color-changing layer.
The color-changing film with the color changing with the angle as described above further preferably further includes a PVD layer and a UV layer, the UV layer is disposed between the color-changing layer and the PVD layer, and the PVD layer is disposed on the lower surface of the ink layer.
The color-changing film with the color changing with the angle as described above further preferably further comprises a printed layer, and the printed layer is disposed between the ink layer and the color-changing layer.
The color-changing film whose color changes with angle as described above further preferably further comprises an adhesive layer, and an upper surface of the adhesive layer is adhered to a lower surface of the base layer.
The color-changing film whose color changes with angle as described above further preferably further includes a protective layer on the upper surface of the ink layer.
Compared with the prior art, the utility model has the following advantage:
the utility model discloses a colour-changing membrane that colour changes along with angle includes two-layer structure at least: the color-changing layer is arranged on the upper surface of the base layer. Specifically, the base layer is made of a flexible non-elastic film material, so that the color-changing film in the utility model has flexibility and can be deformed to a certain extent; the discoloration layer is a photonic crystal film, the photonic crystal film comprises a plurality of nano microspheres, the nano microspheres are uniformly distributed in the photonic crystal film, the relative fixed position is kept in a unique gluing system, and light with specific wavelength can be reflected. Meanwhile, the color-changing film is simple in structure, convenient to process, environment-friendly, pollution-free, low in energy consumption, high in product consistency and yield, flexible in color and applicable to wide application.
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 embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic structural diagram of a color-changing film with color changing with angle according to the present invention;
fig. 2 is a schematic structural diagram of the color changing layer of the present invention, wherein abcd is four different structural diagrams of the color changing film respectively.
Description of reference numerals:
1-base layer, 2-discoloring layer and 3-nano microsphere.
Detailed Description
Example 1:
the embodiment discloses a color-changing film with color changing along with angles, which comprises:
the base layer 1 is made of a flexible film material;
the color-changing layer 2 is a photonic crystal film, and the photonic crystal film is attached to the upper surface of the base layer 1; the photonic crystal film is internally provided with a plurality of nano microspheres 3, and the nano microspheres 3 are uniformly distributed in the photonic crystal film.
Further, in the above structure, the film material may be any one of a PET film, a PC film, a PU film, or a TPU film. The PET (Polyethylene terephthalate) film has good mechanical properties, the impact strength of the PET film is 3-5 times that of other films, and the PET film also has the advantages of good folding resistance, high transparency, good glossiness, capability of blocking ultraviolet rays, no toxicity, no odor and the like, can meet the requirement of flexibility of the base layer 1 material, and can well provide support for the color-changing film. In addition, PC (Polycarbonate) films, PU (Polyurethane) films or TPU (Thermoplastic polyurethanes) films may also be used instead of the PET films. Preferably, the thickness of the base layer 1 may be any one of 5 μm to 200 μm, and when a PET film is used, the thickness of the PET film may be any one of 5 μm, 10 μm, 50 μm, 125 μm, and 188 μm.
Further, in the above structure, the nanoparticle 3 is prepared by polymerizing styrene, methyl methacrylate and acrylic emulsion. The photonic crystal film is a high-temperature-resistant thermoplastic resin. In actual preparation, an acrylic acid mixed material is added into high-concentration composite microspheres prepared by polymerizing styrene, methyl methacrylate and acrylic acid emulsion, the mixture is uniformly mixed and then injected into a glass plate, and the mixture is stood and solidified to form a photonic crystal hydrogel single-layer film with thickness. Specifically, the nano-microsphere 3 can be prepared by adopting a preparation method disclosed in chinese patent CN107236085A, that is, 8g of styrene, 1g of methyl methacrylate and 1g of acrylic acid through emulsion polymerization.
Further, in the above structure, the color changing layer 2 has a thickness of 10 μm to 100 μm. The diameter of the nano microsphere 3 is 150-300 nm. In this embodiment, the diameter of the nanoparticle 3 may be any value between 150 and 300nm, the thickness of the color-changing layer 2 may be any value between 10 μm and 100 μm, and the color-changing layer 2 within the above range can satisfy the color-changing function. Specifically, the diameter of the nano microsphere 3 is 200nm, and the thickness of the color changing layer 2 is 60 μm. The nano microspheres 3 keep a relatively fixed position in a unique crosslinking system in the color changing layer 2, reflect light rays with specific wavelength, have different dielectric constants when reacting with natural light, cause different refraction, and achieve the effect of changing color along with the angle according to the spectral principle of Bragg diffraction reflection.
Further, in the above structure, the ink layer is further included, and the ink layer is disposed on the upper surface of the color changing layer 2. Still include PVD layer and UV layer, the UV layer is located between discoloring layer 2 and the PVD layer, the lower surface on printing ink layer is located to the PVD layer. The ink also comprises a printing layer, wherein the printing layer is arranged between the ink layer and the color-changing layer 2. The ink layer is arranged on the upper surface of the substrate, and the protective layer is arranged on the upper surface of the ink layer. Further, in the above structure, the protective layer is used for protecting the color changing layer 2 structure and protecting the color changing layer 2 from being damaged; the UV layer is formed by surface reinforcement treatment of epoxy resin, and has the functions of pollution resistance, effective ultraviolet absorption, wear resistance enhancement, product aging delay and easiness in cleaning. The printing layer and the printing ink layer are used for adding characters or patterns, and the patterns of the color-changing film can be further enriched. The PVD layer is then used for the discoloration layer 2 formed by physical vapor deposition for complementing the discoloration. Further, the protective layer, the UV layer, the PVD layer, the printing layer and the ink layer are all selectable structures, one or more of the structures can be selected according to actual needs to be compounded above the color changing layer 2 to form a color changing film with corresponding functions, and the color changing film can also be used together to enable the color changing film to have the functions at the same time, and the specific structure of the color changing film is shown as abcd in fig. 2. When the layer structure is used together, the structure is sequentially superposed on the color changing layer 2 from bottom to top according to the sequence of the UV layer, the PVD layer, the printing ink layer and the protective layer.
Furthermore, in the structure, the structure further comprises an adhesive layer, wherein the upper surface of the adhesive layer is adhered to the lower surface of the base layer 1. Optionally, the above structure further includes release paper, the release paper is disposed on the lower surface of the adhesive layer for protecting the adhesive layer. The adhesive layer is used for enabling the color changing layer 2 to have a pasting function, and then the color changing layer can be pasted on glass, a mobile phone screen, a PC board or plastic.
Specifically, the embodiment also discloses a use method of the color-changing film with the color changing along with the angle:
firstly, a color-changing film with a matched layer structure function is selected according to the application scene, then the glass, the PC board or the plastic in the application scene is cleaned to be flat and free from dirt, and then a process matched with the color-changing film, such as a pasting or IMD process, is selected to be compounded on the glass, the PC board or the plastic.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.
Claims (8)
1. A color shifting film that changes color with angle, comprising:
the base layer is made of a flexible film material;
the color-changing layer is a photonic crystal film, and the photonic crystal film is attached to the upper surface of the base layer; a plurality of nano microspheres are arranged in the photonic crystal film and are uniformly distributed in the photonic crystal film;
the membrane material is any one of a PET membrane, a PC membrane, a PU membrane or a TPU membrane;
the ink layer is arranged on the upper surface of the color changing layer.
2. A color shifting film changing color with angle according to claim 1, wherein the base layer has a thickness of 5 μm to 200 μm.
3. A color shifting film changing color with angle according to claim 1, wherein the color shifting layer has a thickness of 5 μm to 100 μm.
4. The color changing film with color changing along with angle as claimed in claim 1, wherein the diameter of the nano-microsphere is 150-300 nm.
5. The color-changing film with color changing with angles as claimed in any one of claims 1 to 4, further comprising a PVD layer and a UV layer, wherein the UV layer is arranged between the color-changing layer and the PVD layer, and the PVD layer is arranged on the lower surface of the ink layer.
6. The color-changing film with the color changing along with the angle as claimed in any one of claims 1 to 4, further comprising a printed layer, wherein the printed layer is arranged between the ink layer and the color-changing layer.
7. The color changing film with the color changing along with the angle of any one of claims 1 to 4, further comprising an adhesive layer, wherein the upper surface of the adhesive layer is adhered to the lower surface of the base layer.
8. The color changing film with color changing with angle according to any one of claims 1 to 4, further comprising a protective layer, wherein the protective layer is positioned on the upper surface of the ink layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022753783.4U CN214873128U (en) | 2020-11-24 | 2020-11-24 | Color-changing film with color changing along with angle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022753783.4U CN214873128U (en) | 2020-11-24 | 2020-11-24 | Color-changing film with color changing along with angle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214873128U true CN214873128U (en) | 2021-11-26 |
Family
ID=78950967
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022753783.4U Active CN214873128U (en) | 2020-11-24 | 2020-11-24 | Color-changing film with color changing along with angle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214873128U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114063200A (en) * | 2022-01-17 | 2022-02-18 | 武汉理工大学 | Asymmetric angle-dependent heterochromatic photonic crystal film and preparation method and application thereof |
-
2020
- 2020-11-24 CN CN202022753783.4U patent/CN214873128U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114063200A (en) * | 2022-01-17 | 2022-02-18 | 武汉理工大学 | Asymmetric angle-dependent heterochromatic photonic crystal film and preparation method and application thereof |
| CN114063200B (en) * | 2022-01-17 | 2022-04-01 | 武汉理工大学 | Asymmetric angle-dependent heterochromatic photonic crystal film and preparation method and application thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104040644B (en) | Transparent electroconductive film and image display device | |
| CN102782619B (en) | Functional layer lamination, touch screen transparent conductivity plywood and use its touch screen | |
| EP1742090B1 (en) | Hue variable retroreflective sheet | |
| US20100053101A1 (en) | Optical film, laminate and touch panel | |
| WO2011070801A1 (en) | Conductive substrate, method for producing same, and touch panel | |
| CA2770576C (en) | Decorative sheet | |
| US20100246011A1 (en) | Optical film | |
| CN106030479A (en) | Electronic board | |
| CN110413154A (en) | Touch control display apparatus and its manufacturing method | |
| KR20060109939A (en) | Antireflection film, electromagnetic wave shielding light transmitting window material, gas discharge type light emitting panel, flat display panel, show window material and solar cell module | |
| KR20010109103A (en) | An adhesive film for a display | |
| CN104932737B (en) | Conductive film and contact panel sensor | |
| US7554615B2 (en) | Transparent hard coat film, transparent conductive hard coat film, touch panel using this film, and liquid crystal display device using this touch panel | |
| KR20070015163A (en) | Low reflection member | |
| US8736960B2 (en) | Structure with observation port | |
| KR102441978B1 (en) | A film laminate with a printed layer, an optical laminate comprising the film laminate with a printed layer, and an image display device using the same | |
| KR20110019899A (en) | Insert molding film with 3d pattern and method of manufacturing the same | |
| WO2022022156A1 (en) | Housing of electronic device, fabrication method therefor, and electronic device | |
| CN214873128U (en) | Color-changing film with color changing along with angle | |
| CN113557279A (en) | Multilayer film and laminate comprising same | |
| CN114763417B (en) | Color-changing decorative sheet and method for manufacturing same | |
| JP2019008278A (en) | Coloring structure, display body, and method for manufacturing coloring structure | |
| CN110799861A (en) | Color developing structure, display body, and method for producing color developing structure | |
| CN105739743B (en) | Laminated film, transparent conductive film, and touch panel | |
| CN101722785A (en) | Patterned transparent substrate and making method thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |