CN212208736U - Color-changing anti-counterfeiting film and electronic product - Google Patents
Color-changing anti-counterfeiting film and electronic product Download PDFInfo
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- CN212208736U CN212208736U CN202020672870.4U CN202020672870U CN212208736U CN 212208736 U CN212208736 U CN 212208736U CN 202020672870 U CN202020672870 U CN 202020672870U CN 212208736 U CN212208736 U CN 212208736U
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Abstract
The utility model relates to a change colour anti-fake membrane and electronic product, the anti-fake membrane that changes colour includes the bottoming layer, anti-fake color layer and the protective layer of range upon range of setting, and anti-fake color layer is including the first metal level, dielectric layer and the second metal level that set gradually, and on the bottoming layer was located to first metal level, on the second metal level was located to the protective layer, the optical thickness of dielectric layer was the even number multiple of the half wavelength of required demonstration colour, and first metal level and second metal level all have the partial reflectivity. Above-mentioned anti-fake membrane discolours presents good color effect through utilizing the reflectivity of first metal level, second metal level and the combination of the color effect of dielectric layer, and anti-fake membrane discolours has the peculiarity that presents multiple different bright-colored colours along with the incident angle difference, simultaneously, can be through designing the optics thickness value of the dielectric layer of every product different for even the incident angle is the same between the different products, the color effect that presents is different, thereby just can the unique identification, has fine anti-fake effect.
Description
Technical Field
The utility model relates to an optics discoloration membrane technical field especially relates to a false proof membrane and electronic product discolour.
Background
With the wide use of electronic products, a company needs to display some unique company names, logo identifiers, special characters and other pattern information on the surface of the product, the pattern information is generally displayed and realized on the back surface of the product, the pattern information needs to be capable of reflecting the relevant information of the company very well, and uniqueness is achieved, so that others cannot simulate the pattern information.
The processing mode that needs show company's pattern information on the surface of product is common to have two kinds, one is that the mode that adopts silk screen printing and spraying shows the pattern that has designed in advance on the substrate, and the pattern that adopts this mode to process out is seen the color effect from the front and is comparatively good, but the effect of pattern information can't show from many angles, and visual effect is not good enough, and can't accomplish the effect of preventing other people's imitations. The other is to adopt the mode of metal coating film to make pattern information, adopt this mode production convenience, but because the colour of restriction metal rete, the pattern information colour that can produce is relatively monotonous, and just the positive colour effect is bright-colored too, and the effect of same pattern information can't show from many angles, and visual effect is not good enough, and just pure colour information, and anti-fake effect is also not good simultaneously.
SUMMERY OF THE UTILITY MODEL
Therefore, it is necessary to provide a color-changing anti-counterfeiting film and an electronic product with good display effect and anti-counterfeiting function.
The color-changing anti-counterfeiting film is used for being plated on a base material; the color-changing anti-counterfeiting film comprises a base coat, an anti-counterfeiting color layer and a protective layer which are arranged in a laminated manner, the base coat is arranged on the base material,
the anti-counterfeiting color layer comprises a first metal layer, a dielectric layer and a second metal layer which are sequentially arranged, the first metal layer is arranged on the priming layer, the protective layer is arranged on the second metal layer, the optical thickness of the dielectric layer is even times of half wavelength of the required display color, and the first metal layer and the second metal layer both have semi-reflectivity.
The color-changing anti-counterfeiting film comprises a base coat layer, an anti-counterfeiting color layer and a protective layer, wherein the base coat layer is arranged on the surface of a base material, so that the anti-counterfeiting color layer has better adhesive force with the base material, the anti-counterfeiting color layer comprises a first metal layer, a dielectric layer and a second metal layer which are sequentially arranged, the optical thickness of the dielectric layer is even times of half wavelength of the required display color, the first metal layer and the second metal layer both have semi-reflectivity, the good color effect is presented by utilizing the reflectivity of the first metal layer and the second metal layer and the color effect combination of the dielectric layer, so that the pattern information on the product has bright color effect, the optical thickness of the dielectric layer changes along with the change of the incident angle, and the color effect presented when the optical thickness of the dielectric layer is changed is also changed, so that the color-changing anti-counterfeiting film has the characteristic of presenting various different bright colors along with different incidence angles. Meanwhile, the optical thickness values of the medium layers of all products are designed to be different, so that the presented color effects are different even if the incident angles of different products are the same, and the products can be uniquely identified and have a good anti-counterfeiting effect.
In one embodiment, the anti-counterfeiting color layer further comprises an ink layer, wherein the ink layer is arranged on the surface of the protective layer, which faces away from the anti-counterfeiting color layer.
In one embodiment, the thickness of the ink layer is 10um to 30 um.
In one embodiment, the thickness of the anti-counterfeiting color layer is 50nm-600 nm.
In one embodiment, the thickness of the first metal layer is 10nm-100 nm; and/or the thickness of the second metal layer is 10nm-100 nm.
In one embodiment, the thickness of the primer layer is 20nm to 50 nm.
In one embodiment, the protective layer has a thickness of 10nm to 100 nm.
In one embodiment, the first metal layer is an Al layer or a Cr layer or a Ni layer; and/or the second metal layer is an Al layer or a Cr layer or a Ni layer.
In one embodiment, the dielectric layer is Ti3O5Layer, Nb2O5Layer, TiO2Layer, ZrO2Layer H4Layer and SiO2One of the layers.
An electronic product comprises a base material and the color-changing anti-counterfeiting film, wherein the color-changing anti-counterfeiting film is plated on the base material.
Drawings
Fig. 1 is a schematic structural view of the color-changing anti-counterfeiting film of the utility model.
The meaning of the reference symbols in the drawings is:
the anti-counterfeiting ink comprises a substrate 100, a primer layer 10, an anti-counterfeiting color layer 20, a first metal layer 21, a dielectric layer 22, a second metal layer 23, a protective layer 30 and an ink layer 40.
Detailed Description
In order to make the above objects, features and advantages of the present invention more comprehensible, embodiments of the present invention are described in detail below with reference to the accompanying drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. The present invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein, as those skilled in the art will be able to make similar modifications without departing from the spirit and scope of the present invention.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. 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 present application, unless expressly stated or limited otherwise, the first feature may be directly on or directly under the second feature or indirectly via intermediate members. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.
It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and the like as used herein are for illustrative purposes only and do not denote a unique embodiment.
Fig. 1 shows the structure diagram of the color-changing anti-counterfeit film in an embodiment of the present invention, an embodiment of the present invention provides a color-changing anti-counterfeit film for plating on a substrate 100, wherein the substrate 100 can be glass or plastic, the substrate 100 is mainly a rear cover of an electronic product, and understandably, the color-changing anti-counterfeit film is mainly used for plating on an outer surface of the rear cover of the electronic product. In this embodiment, the color-changing anti-counterfeiting film is used for being plated on the outer surface of the rear cover of the mobile phone.
The color-changing anti-counterfeiting film comprises a base coat layer 10, an anti-counterfeiting color layer 20 and a protective layer 30 which are arranged in a laminated mode, wherein the base coat layer 10 is used for being arranged on the surface of a substrate 100, the anti-counterfeiting color layer 20 is arranged on the base coat layer 10, the protective layer 30 is arranged on the anti-counterfeiting color layer 20, and understandably, the base coat layer 10, the anti-counterfeiting color layer 20 and the protective layer 30 are sequentially arranged on the substrate 100. The anti-counterfeiting color layer 20 comprises a first metal layer 21, a dielectric layer 22 and a second metal layer 23 which are sequentially arranged, the first metal layer 21 is arranged on the priming layer 10, the dielectric layer 22 is arranged on the first metal layer 21, the second metal layer 23 is arranged on the dielectric layer 22, the protective layer 30 is arranged on the second metal layer 23, the optical thickness of the dielectric layer 22 is even times of half wavelength of the required display color, and the first metal layer and the second metal layer both have semi-transparency and reflectivity.
In one embodiment, the color-changing anti-counterfeiting film further comprises an ink layer 40, wherein the ink layer 40 is arranged on the surface of the side of the protection layer 30 facing away from the anti-counterfeiting color layer 20. It is understood that the primer layer 10, the security color layer 20, the protective layer 30 and the ink layer 40 are sequentially stacked.
When in production, the method comprises the following steps:
1. the primer layer 10 is plated on the surface of the substrate 100. In this embodiment, the primer layer 10 is plated on the outer surface of the back cover of the mobile phone.
2. The anti-counterfeiting color layer 20 is plated on the priming layer 10. Specifically, the security color layer 20 is plated on a surface of the priming layer 10 facing away from the substrate 100. In the process of plating the anti-counterfeiting color layer 20 on the priming layer 10, the first metal layer 21 is plated on the surface of the priming layer 10 on the side away from the substrate 100, the dielectric layer 22 is plated on the surface of the first metal layer 21 on the side away from the priming layer 10, and finally the second metal layer 23 is plated on the surface of the dielectric layer 22 on the side away from the first metal layer 21.
3. The protective layer 30 is plated on the security color layer 20. Specifically, the protection layer 30 is plated on a surface of the security color layer 20 facing away from the priming layer 10. It is understood that, since the first metal layer 21 is plated on the surface of the priming layer 10 facing away from the substrate 100, the dielectric layer 22 is plated on the surface of the first metal layer 21 facing away from the priming layer 10, and the second metal layer 23 is plated on the surface of the dielectric layer 22 facing away from the first metal layer 21, the protection layer 30 is plated on the surface of the second metal layer 23 facing away from the dielectric layer 22.
4. The ink layer 40 is plated on the protective layer 30. Specifically, the ink layer 40 is plated on a surface of the protection layer 30 facing away from the security color layer 20. It is understood that since the protection layer 30 is plated on the surface of the second metal layer 23 facing away from the dielectric layer 22, the ink layer 40 is plated on the surface of the protection layer 30 facing away from the second metal layer 23.
According to the color-changing anti-counterfeiting film, the priming layer 10 is arranged on the surface of the base material 100, so that the anti-counterfeiting color layer 20 and the base material 100 have good adhesive force, and the bonding property between the first metal layer 21 and the base material 100 is effectively ensured. The anti-counterfeiting color layer 20 comprises a first metal layer 21, a dielectric layer 22 and a second metal layer 23 which are sequentially arranged, the optical thickness of the dielectric layer 22 is even times of half wavelength of the required display color, and the first metal layer 21 and the second metal layer 23 both have semi-reflectivity, so that a good color effect is presented by utilizing the reflectivity of the first metal layer 21 and the second metal layer 23 and the color effect combination of the dielectric layer 22. Through establish protective layer 30 on anti-fake color layer 20 for protect anti-fake color layer 20, prevent effectively that anti-fake color layer 20 from being by the fish tail and anti-fake color layer 20 in first metal level 21 and the second metal level 23 by oxidation, be favorable to guaranteeing product quality. Establish printing ink layer 40 through at protective layer 30, printing ink can let the more obvious demonstration of color come out, and this anti-fake membrane that discolours mainly used electronic product's back lid simultaneously ensures that the surface of lid has the color of a whole face behind the electronic product, effectively improves consumer's use and experiences the sense.
Specifically, the first metal layer 21 and the second metal layer 23 can allow a part of the transmitted light to pass through, and the other part of the reflected light to be reflected back, so that the reflective color effect of the product is more vivid and looks like a metal effect. The difference of the optical thickness of the dielectric layer 22 can present different color effects, here, the refractive index of the dielectric layer 22 is defined as n, the physical thickness of the dielectric layer 22 is d, the incident angle is θ, and the optical thickness of the dielectric layer 22 is ndcos θ, so that the optical thickness of the dielectric layer 22 changes with the change of the incident angle θ, and the color presented when the optical thickness of the dielectric layer 22 changes also changes, so that the color-changing anti-counterfeiting film has the characteristic of presenting various different vivid colors with the different incident angles, and thus the color can be identified according to the characteristic that the color changes with the incident angle, and understandably, the color-changing anti-counterfeiting film integrally shifts with the angle within the wavelength range of visible light of human eyes, so that a viewer can see different colors. Meanwhile, for products with different physical thicknesses of the dielectric layer 22, different color effects can be presented even if the products are watched from the same incident angle, so that the physical thicknesses of the dielectric layers 22 of different products can be designed differently, and the optical thickness values of the dielectric layers 22 of each product can be designed differently, so that the presented color effects are different even if the incident angles of different products are the same, and therefore unique identification can be achieved, and a good anti-counterfeiting effect is achieved.
In addition, as the incident angle changes, the refractive indexes of s-polarized light and p-polarized light between the primer layer 10, the first metal layer 21, the dielectric layer 22, the second metal layer 23, the protective layer 30 and the ink layer 40 are different, and different colors are also presented, but the effect is not obvious.
In some embodiments, the primer layer 10 has a thickness of 20nm to 50 nm. Specifically, the thickness of the primer layer 10 is 30nm to 40 nm. It should be noted that the number of layers of the primer layer 10 may be one or more, and may be designed according to actual requirements.
In some embodiments, primer layer 10 is SiO2Layer or Al2O3Layers, etc., it will be appreciated that the material of the primer layer 10 may be SiO2Or Al2O3And the like.
The thickness of the anti-counterfeiting color layer 20 is 50nm-600 nm. Similarly, the number of the anti-counterfeiting color layer 20 can be one or more, and can be designed according to actual requirements.
In some embodiments, the thickness of the first metal layer 21 is 10nm to 100 nm. The thickness of the second metal layer 23 is 10nm to 100 nm.
In some embodiments, the first metal layer 21 is an Al layer or a Cr layer or a Ni layer, and it is understood that the material of the first metal layer 21 may be Al, Cr, Ni, or the like. The second metal layer 23 is also an Al layer, a Cr layer, a Ni layer, etc., and likewise, it is understood that the material of the second metal layer 2 may be Al, Cr, Ni, etc. The dielectric layer 22 is a Ti3O5 layer, a Nb2O5 layer, a TiO2 layer, a ZrO2 layer, an H4 layer or SiO2Layer, etc., it will be appreciated that the material of dielectric layer 22 may be Ti3O5, Nb2O5, TiO2, ZrO2, H4 or SiO2And the like.
In some embodiments, the thickness of the protective layer 30 is 10nm to 100nm, specifically, the thickness of the protective layer 30 is 40nm to 70 nm. The protective layer 30 is SiO2Layer or Al2O3Layer, etc., it being understood that the material of the protective layer 30 may be SiO2Or Al2O3And the like. Likewise, the number of the protective layer 30 may be one or more, and may be designed according to actual requirements.
In some embodiments, the thickness of the ink layer 40 is 10um to 30um, specifically, the thickness of the ink layer 40 is 15um to 25 um. Similarly, the number of the ink layers 40 can be one or more, and can be designed according to actual requirements.
Specifically, in this embodiment, the color-changing anti-counterfeiting film includes a base layer 10, an anti-counterfeiting color layer 20, a protective layer 30 and an ink layer 40, the base layer 10 is disposed on the surface of the substrate 100, the anti-counterfeiting color layer 20 is disposed on the base layer 10, the protective layer 30 is disposed on the anti-counterfeiting color layer 20, and the ink layer 40 is disposed on the protective layer 30.
The utility model also provides an electronic product, including substrate 100 and foretell anti-fake membrane discolours, the anti-fake membrane that discolours plates and locates on substrate 100. Specifically, during production, the base layer 10 is directly plated on the surface of the substrate 100, the anti-counterfeiting color layer 20 is plated on the base layer 10, the protective layer 30 is plated on the anti-counterfeiting color layer 20, and the ink layer 40 is plated on the protective layer 30.
The utility model discloses a change colour anti-fake membrane, including bottoming layer 10, anti-fake color layer 20, protective layer 30 and printing ink layer 40, bottoming layer 10 is used for locating substrate 100 on the surface to make and have better adhesive force between anti-fake color layer 20 and the substrate 100. The anti-counterfeiting color layer 20 comprises a first metal layer 21, a dielectric layer 22 and a second metal layer 23 which are sequentially arranged, the optical thickness of the dielectric layer 22 is even times of half wavelength of a required display color, the first metal layer 21 and the second metal layer 23 both have semi-reflectivity, and a good color effect is presented by utilizing the high reflectivity of the first metal layer 21 and the second metal layer 23 and the color effect combination of the dielectric layer 22, so that the color effect of pattern information on a product is bright, the optical thickness of the dielectric layer 22 changes along with the change of an incident angle, and the color effect presented when the optical thickness of the dielectric layer 22 changes also changes, so that a viewer can see different colors from different angles, the anti-counterfeiting color layer is particularly suitable for a mark with a same color, and the pattern information can be very easily embodied on the product.
Meanwhile, the optical thickness values of the medium layers of all products are designed to be different, so that the presented colors are different even if the incident angles of different products are the same, and the products can be uniquely identified and have a good anti-counterfeiting effect. The optical thickness values of the medium layers of all products are designed to be different, so that the presented color effects are different even if the incident angles of different products are the same, and the products can be uniquely identified and cannot be simulated by others, and the anti-counterfeiting effect is good.
The structure of this anti-fake membrane that discolours and interlayer's material is simple, and whole thickness is thinner, can carry out batch production processing, and is with low costs, and environmental suitability is good simultaneously, and protective layer 30 is used for protecting anti-fake color layer 20, prevents effectively that anti-fake color layer 20 from being oxidized by first metal level 21 and second metal level 23 in fish tail and anti-fake color layer 20, is favorable to guaranteeing product quality. The ink layer 40 enables the color to be displayed more obviously, so that the surface of the rear cover of the electronic product is ensured to have a whole color, and the use experience of a consumer is effectively improved.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.
Claims (10)
1. The color-changing anti-counterfeiting film is used for being plated on a base material; the color-changing anti-counterfeiting film is characterized by comprising a base layer, an anti-counterfeiting color layer and a protective layer which are arranged in a stacked mode, wherein the base layer is arranged on a base material, the anti-counterfeiting color layer comprises a first metal layer, a dielectric layer and a second metal layer which are arranged in sequence, the first metal layer is arranged on the base layer, the protective layer is arranged on the second metal layer, the optical thickness of the dielectric layer is even times of half wavelength of the color to be displayed, and the first metal layer and the second metal layer both have semi-transmitting reflectivity.
2. The color-changing anti-counterfeiting film according to claim 1, further comprising an ink layer, wherein the ink layer is arranged on the surface of the side of the protective layer, which faces away from the anti-counterfeiting color layer.
3. The color-changing anti-counterfeiting film according to claim 2, wherein the thickness of the ink layer is 10um to 30 um.
4. The color-changing anti-counterfeiting film according to claim 1, wherein the thickness of the anti-counterfeiting color layer is 50nm to 600 nm.
5. The color-changing anti-counterfeiting film according to claim 1, wherein the thickness of the first metal layer is 10nm to 100 nm; and/or the thickness of the second metal layer is 10nm-100 nm.
6. The color-changing anti-counterfeiting film according to claim 1, wherein the thickness of the primer layer is 20nm to 50 nm.
7. The color-changing anti-counterfeiting film according to claim 1, wherein the thickness of the protective layer is 10nm to 100 nm.
8. The color-changing anti-counterfeiting film according to claim 1, wherein the first metal layer is an Al layer or a Cr layer or a Ni layer; and/or the second metal layer is an Al layer or a Cr layer or a Ni layer.
9. The color-changing anti-counterfeiting film according to claim 1, wherein the dielectric layer is Ti3O5Layer, Nb2O5Layer, TiO2Layer, ZrO2Layer H4One of a layer and a SiO2 layer.
10. An electronic product, comprising a substrate and the color-changing anti-counterfeiting film according to any one of claims 1 to 9, wherein the color-changing anti-counterfeiting film is plated on the substrate.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112634743A (en) * | 2020-12-31 | 2021-04-09 | 季华实验室 | Optical anti-counterfeiting structure and manufacturing method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112634743A (en) * | 2020-12-31 | 2021-04-09 | 季华实验室 | Optical anti-counterfeiting structure and manufacturing method thereof |
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