CN211641189U - Decorative film and electronic product cover plate - Google Patents
Decorative film and electronic product cover plate Download PDFInfo
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- CN211641189U CN211641189U CN201922019410.1U CN201922019410U CN211641189U CN 211641189 U CN211641189 U CN 211641189U CN 201922019410 U CN201922019410 U CN 201922019410U CN 211641189 U CN211641189 U CN 211641189U
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Abstract
The utility model discloses a decorative film and laminating this decorative film's electronic product apron, decorative film is including the pattern layer that sets gradually, reflection stratum and coloured thin layer, be not more than 5% coloured thin layer through setting up first tie coat bonding light transmission rate on the reflection stratum, the efficiency that supplementary look and bottoming sheltered from is realized to the printing ink layer that replaces with coloured thin layer, promote the vision uniqueness of product, the processing procedure is efficient, simplify production technology, the cost is saved, form the micro-nano structure on the film surface simultaneously, make decorative film show the colour that has optical effect, obtain special light and shadow effect in the vision.
Description
Technical Field
The utility model relates to an optics decorative film field especially relates to a decorative film and electronic product apron.
Background
The decorative film is commonly used in the decoration of the surfaces of various articles and plays a role in beautifying the surfaces of the decorations. Particularly in the electronic product and household appliance industries, various electronic product manufacturers continuously seek technical innovation and functional innovation to cater to the development trends of environmental protection, energy conservation and differentiation, taking a mobile phone as an example, the front surface of the mobile phone is glass, the back surface of the mobile phone usually comprises metal, glass, leather materials, plastics and the like, the non-display window area of the front glass obtains different colors in a printing mode, and the back surface of the front glass forms a specific effect on the surface of the material through processes of machining, laser engraving, embossing and the like.
As glass materials are beginning to be applied to the front and back of electronic products, many electronic product manufacturers aim at identifying designs for the appearance of electronic products. For example, a decorative film comprises a colored layer, a reflective layer, a substrate layer and an adhesive layer which are sequentially superposed, generally speaking, the colored layer is an ink layer, and 3-5 layers of ink are printed on the reflective layer by screen printing to be used as a priming layer of the decorative film, so that the color of the decorative film is not the color of the reflective layer, but the color of the decorative film is the color obtained by mixing colors of the colored layer and the reflective layer, so that the color of the decorative film is not monotonous, the effect is vivid, and the colored layer can also play a role in assisting color development; secondly, the decorative film is bonded on the glass by the bonding layer, and the coloring layer can also achieve the effect of shielding internal components of the electronic product due to the certain transmittance existing in the combination of the reflecting layer, the substrate layer and the bonding layer, but the five major elements of the screen printing, namely the screen printing plate, the scraper blade, the printing ink, the printing table and the printing stock (namely the reflecting layer) have more influencing factors, and the coloring layer is usually required to be printed for 3-5 layers, so that the yield of the coloring layer in the printing process is low, the process is complex, the production cost is increased, and in addition, the printing ink can also bring environmental pollution.
In view of this, the present invention solves the existing technical problems by improving the decoration film.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model aims at providing a replace the printing ink layer with lightproof coloured thin layer, realize supplementary coloration and bottoming through coloured thin layer and shelter from the decorative film of effect.
The utility model provides a not enough adopted technical scheme of above-mentioned prior art is:
a decorative film, comprising:
the pattern layer comprises a plurality of micro-nano structures, and the micro-nano structures are convex structures and/or concave structures;
the reflecting layer is arranged on the surface of the pattern layer and covers or partially covers the micro-nano structure;
the colored thin film layer is positioned on one side, away from the pattern layer, of the reflecting layer and is bonded with the reflecting layer through a first bonding layer; wherein the light transmittance of the colored thin film layer is not more than 5%.
In one embodiment, the colored film layer comprises a polymer film layer having a light transmission of no greater than 5%; or a composite layer with a colored material layer arranged on one surface of the base layer; or a composite layer which comprises a polymer film layer with light transmittance not more than 50% and a colored material layer arranged on one surface.
In one embodiment, the adhesive further comprises a sealing layer, the sealing layer is arranged on one side of the colored thin film layer far away from the first adhesive layer, and the water permeability of the colored thin film layer and the sealing layer is not more than 10%.
In one embodiment, the polymer film layer and the base layer are one or more of a PET layer, a PI layer, a CPI layer, a PC layer, or a PMMA layer.
In one embodiment, the reflective film further comprises a colored or colorless ink layer arranged between the first bonding layer and the reflective layer, and the light transmittance of the ink layer, the light transmittance of the first bonding layer and the light transmittance of the colored film layer are not more than 3%.
In one embodiment, the display device further comprises a substrate layer, wherein the substrate layer comprises a first surface and a second surface, and the pattern layer is arranged on the second surface.
In one embodiment, the reflective layer is a metal layer, a metal oxide layer or a non-metal oxide layer coated on the pattern layer, or the reflective layer is plated on the pattern layer.
In one embodiment, the adhesive further comprises a second adhesive layer, and the second adhesive layer is arranged on the first surface of the substrate layer.
In one embodiment, the micro-nano structure is a micro-lens, a small stub, a cylindrical mirror, a fresnel lens, a CD pattern, a moth-eye structure, or a wire drawing pattern.
The utility model discloses still disclose an electronic product apron, include:
a glass layer comprising a first surface and a second surface disposed opposite;
the second bonding layer is arranged on the second surface of the glass layer;
the substrate layer is arranged on one side, far away from the glass layer, of the second bonding layer, and the glass layer and the substrate layer are bonded through the second bonding layer;
the pattern layer is arranged on one side, away from the second bonding layer, of the base material layer and comprises a plurality of micro-nano structures, and the micro-nano structures are protruding structures and/or recessed structures;
the reflecting layer is arranged on one side, far away from the base material layer, of the pattern layer, and covers or partially covers the pattern layer;
the first bonding layer is arranged on one side, far away from the pattern layer, of the reflecting layer;
the colored thin film layer is positioned on one side, away from the pattern layer, of the reflecting layer and is bonded with the reflecting layer through a first bonding layer; wherein the light transmittance of the colored thin film layer is not more than 5%.
In one embodiment, the colored film layer comprises a polymer film layer having a light transmission of no greater than 5%; or a composite layer with a colored material layer arranged on one surface of the base layer; or a composite layer which comprises a polymer film layer with light transmittance not more than 50% and a colored material layer arranged on one surface.
In one embodiment, the adhesive further comprises a sealing layer, the sealing layer is arranged on the side, away from the first adhesive layer, of the colored thin film layer, and the water permeability of the colored thin film layer and the sealing layer is not more than 10%.
In one embodiment, the reflective film further comprises a colored or colorless ink layer arranged between the first bonding layer and the reflective layer, and the light transmittance of the ink layer, the light transmittance of the first bonding layer and the light transmittance of the colored film layer are not more than 3%.
Compared with the prior art, the beneficial effects of the utility model are that, a decorative film and this decorative film electronic product apron of laminating are provided, decorative film is including the pattern layer that sets gradually, reflection stratum and coloured thin layer, through set up the lighttight coloured thin layer of first tie coat bonding on the reflection stratum, the efficiency that shelters from with supplementary look of printing ink layer realization that coloured thin layer replaces and bottoming, the lower drawback of yield appears easily when having avoided graphite layer printing, the processing procedure is efficient, simplify production technology, and the cost is saved, simultaneously because at the surperficial micro-nano structure that forms of film, make decorative film show the colour that has optical effect, obtain special shadow effect in the vision.
Drawings
FIG. 1 is a schematic structural view of the decoration film of the present invention;
FIG. 2 is a schematic view of another structure of the decoration film of the present invention, which is also a schematic view of a preferred embodiment;
fig. 3 is a schematic diagram of an embodiment of an electronic cover plate according to the present invention;
fig. 4 is a schematic view of another embodiment of the cover plate of the electronic product of the present invention, which is also a schematic view of the preferred embodiment;
FIG. 5 is a schematic view of another structure of the decoration film of the present invention;
FIG. 6 is a schematic view of another structure of the decoration film of the present invention;
FIG. 7 is a schematic view of another structure of the decoration film of the present invention;
fig. 8 is a schematic view of another structure of the decoration film of the present invention.
Detailed Description
In order to facilitate understanding of the present invention, the present invention will be described more fully hereinafter with reference to the accompanying drawings. The preferred embodiments of the present invention are shown in the drawings. The invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
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.
In the description of the present invention, it should be noted that the terms "upper", "lower", "left", "right", "front", "rear", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
Referring to fig. 1, the present invention discloses a decorative film 100, which includes a substrate layer 11, a pattern layer 12, a reflective layer 13, a first bonding layer 14 and a colored film layer 15, wherein the substrate layer 11 includes a first surface and a second surface; the pattern layer 12 is arranged on the second surface and comprises a plurality of micro-nano structures which are continuously arranged, the micro-nano structures are concave structures of arc surfaces, and in addition, the micro-nano structures 121 can be arranged at intervals; the reflecting layer 13 is arranged on the surface of the pattern layer 12, and the micro-nano structure is covered or partially covered by the reflecting layer 13; the first bonding layer 14 is arranged on one side of the reflecting layer 13 far away from the pattern layer 12; the colored thin film layer 15 is positioned on one side of the reflecting layer 13 far away from the pattern layer 12, the colored thin film layer 15 is bonded with the reflecting layer 13 through a first bonding layer 14, the light transmittance of the colored thin film layer 15 is not more than 5 percent,
the utility model discloses decorative film 100's colour by reflection stratum 13 and the colour stack between coloured thin layer 15 form, as preferred embodiment, mute light material is mute light printing ink, owing to mute light printing ink of printing on the soft membrane, makes the light transmissivity of coloured thin layer is not more than 5%, thereby decorative film 100's colour does colour after both of coloured thin layer 15 and reflection stratum 13 are neutralized. And due to the plurality of micro-nano structures on the pattern layer, the decorative film has different light and shadow effects and is more gorgeous in color when seen from different angles.
It is worth mentioning that, the above embodiment replaces the ink layer with the opaque colored thin film layer, so as to achieve the effect of auxiliary color development and shielding by bottoming, and achieve the purpose of the present invention, because of the opacity and permeability of the colored thin film, the decorative glass produced by this embodiment is mainly suitable for dry environment, in order to achieve more complete technical effect, through further research and development tests, a more preferable embodiment is obtained, please refer to fig. 2, which is a schematic diagram of another embodiment of the decorative film of the present invention, which is also a schematic diagram of a preferable embodiment, the decorative film 100 further includes a sealing layer 18, the sealing layer 18 is disposed on one side of the colored thin film layer 15 far away from the first bonding layer 14, that is, the sealing layer 18 is disposed below the colored thin film layer 15, and the water permeability of the colored thin film layer and the sealing layer is not more than 10%, the sealing performance of the decoration film 100 can be improved, and the penetration of water vapor and the like can be prevented, so that the electronic product cover plate 200 formed by adhering the decoration film 100 to the glass layer 18 has the waterproof effect at the same time. The sealing layer 18 is made of light-curing glue or heat-curing glue, but the sealing layer 18 may also be made of colored light-curing glue or heat-curing glue.
In this embodiment, the colored film layer 15 may be a polymer film layer with a light transmittance of not more than 5%, that is, the colored film layer is a single-layer film that is opaque, so as to achieve the light-shielding effect. A sealing layer 18 is provided beneath the polymer film layer to improve the sealing properties of the decorative film 100.
In this embodiment, the colored thin film layer 15 may also be a composite layer in which a colored material layer is disposed on one surface of the base layer, that is, the colored thin film layer is an opaque composite layer, wherein the light transmittance of the base layer can be any value, the light shielding effect is mainly achieved by the colored material layer, and the colored material layer is dark or black. As a preferred embodiment, the first adhesive layer 14 is adhered to one surface of the base layer, and a black or dark matte material is printed on the other surface of the base layer, so that the effects of auxiliary color development and priming shielding are realized instead of an ink layer, and the visual uniqueness of the decorative film 100 is improved. Similarly, a sealing layer 18 is provided beneath the polymer film layer to improve the sealing properties of the decorative film 100. It is worth mentioning that the base layer is one of a PET layer, a PI layer, a CPI layer, a PC layer or a PMMA layer or a composite layer.
In this embodiment, the colored thin film layer 15 includes a polymer thin film layer having a light transmittance of not more than 50%, and a colored material layer is disposed on one surface of the polymer thin film layer, that is, the colored thin film layer is a light-tight composite layer, wherein the color of the colored material layer may be transparent or any other color, and the light-shielding effect is mainly achieved by the polymer thin film layer having a light transmittance of not more than 50%.
In this embodiment, when the light transmittance of the first bonding layer 14 is high, the first bonding layer 14 only plays a role of bonding, and at this time, the colored thin film layer 15 needs to select a single layer/composite layer with low light transmittance, that is, one of a polymer thin film layer with a light transmittance of not more than 5%, a composite layer with a colored material layer on one surface of a base layer, and a polymer thin film layer with a light transmittance of not more than 50% with one colored material layer on one surface; when the light transmittance of the first adhesive layer 14 is low, the first adhesive layer 14 not only has an adhesive effect, but also has a light shielding effect, the first adhesive layer 14 replaces a colored thin film layer to realize light shielding priming, and at this time, the colored thin film layer and/or the sealing layer is adhered to one surface of the first adhesive layer 14 far from the reflective layer 13, and in addition, the sealing layer can be directly adhered to one surface of the first adhesive layer 14 far from the reflective layer 13, so that the sealing performance of the decorative film 100 is improved. It should be noted that, when the light transmittance of the first adhesive layer 14 is low, the colored thin film layer 15 adhered to the first adhesive layer 14 may be a single layer/composite layer with high light transmittance, or a single layer/composite layer with low light transmittance, or the colored thin film layer 15 may be a thin film layer without color.
In the present embodiment, the first bonding layer 14 is one of a silicone adhesive layer, an acrylic adhesive layer, a PU adhesive layer, an OCA adhesive layer, an optical adhesive layer, or a double-sided adhesive layer.
In a preferred embodiment, the colored film layer 15 is one or a composite layer of a PET layer, a PI layer, a CPI layer, a PC layer, or a PMMA layer.
In a preferred embodiment, the color of the substrate layer 11 is a transparent color. The substrate layer 11 may be made of any material that can support the microstructure, for example, a flexible substrate, such as PET, PC, PMMA, etc., may be selected, or a rigid substrate, such as glass, etc., may be selected.
In some embodiments, the pattern layer 12 is covered with a reflective layer 13. The reflective layer 13 is a metal layer, a metal oxide layer or a non-metal oxide layer coated on the pattern layer 12. Preferably, the reflective layer 13 is a silver paste layer coated on the pattern layer 12, which has a brightening effect on color and increases a decorative effect. In other embodiments, the reflective layer 13 is plated on the pattern layer. The reflecting layer 13 can also play a role in color mixing, and achieves a color mixing effect together with the colored thin film layer 15, so that the decorative thin film 100 is richer and fuller in color and has better texture.
In other embodiments, the decorative film further includes a colored or colorless ink layer disposed between the first bonding layer and the reflective layer, and the light transmittances of the ink layer, the first bonding layer, and the colored film layer are not greater than 3%.
Referring to fig. 3, the present invention further discloses an electronic product cover plate 200, wherein the electronic product cover plate 200 includes a glass layer 17, the decorative film 100 is provided with a second adhesive layer 16, the second adhesive layer 16 is disposed on the first surface of the substrate layer 11, and the second adhesive layer 16 is used for adhering the decorative film 100 to other application products such as the glass layer 17 to form the electronic product cover plate 200.
Specifically, the electronic product cover plate 200 includes a glass layer 17, a second bonding layer 16, a substrate layer 11, a pattern layer 12, a reflective layer 13, a first bonding layer 14, and a colored film layer 15, which are sequentially disposed, where the glass layer 17 includes a first surface and a second surface that are disposed opposite to each other; a second bonding layer 16 is arranged on the second surface of the glass layer 17; the substrate layer 11 is arranged on one side of the second bonding layer 16 far away from the glass layer 17, and the second bonding layer 16 is used for bonding the glass layer 17 and the substrate layer 11; the pattern layer 12 is arranged on one side, far away from the second bonding layer 16, of the base material layer 11, and the pattern layer 12 comprises a plurality of micro-nano structures which are of concave structures; in other embodiments, the micro-nano structure is a raised structure; the reflecting layer 13 is arranged on one side of the pattern layer 12 far away from the substrate layer 11, and the reflecting layer 13 covers or partially covers the pattern layer 12; the first bonding layer 14 is arranged on one side of the reflecting layer 13 far away from the pattern layer 12; the colored film layer 15 is arranged on one side of the first bonding layer 14 far away from the reflecting layer 13 and comprises a soft film, the first bonding layer 14 is bonded on the surface of one side of the soft film, black or dark matte ink is printed on the surface of the other side of the soft film, and the colored film layer 15 and the reflecting layer 13 are bonded on the first bonding layer 14.
In a preferred embodiment, the second adhesive layer 16 is one of a silicone adhesive layer, an acrylic adhesive layer, a PU adhesive layer, an OCA adhesive layer, an optical adhesive layer, or a double-sided adhesive layer.
Please refer to fig. 4, which is a schematic diagram of another embodiment of the electronic product cover plate of the present invention, and is a schematic diagram of a preferred embodiment, and the difference from fig. 3 is that the electronic product cover plate 200 further includes a sealing layer 18, the sealing layer 18 is disposed on one side of the colored thin film layer 15 away from the first adhesive layer 14, and the water permeability of the colored thin film layer 15 and the sealing layer 18 is not greater than 10%, so that the sealing performance of the electronic product cover plate 200 can be improved, and the penetration of water vapor can be prevented. The sealing layer 18 is made of light curing glue or heat curing glue.
Please refer to fig. 5, which is a schematic structural diagram of a decorative film of the present invention, and is the same as fig. 1, and includes a substrate layer 11, a pattern layer 12, a reflective layer 13, a first bonding layer 14, and a colored film layer 15, which are sequentially disposed, and the difference from fig. 1 is that the micro-nano structure in fig. 2 has a cross section of a semicircular protruding structure. Similarly, the micro-nano structures can be arranged continuously or at intervals. In a preferred embodiment, the decorative film further includes a sealing layer (not shown), and the sealing layer is made of light-curable glue or heat-curable glue.
Please refer to fig. 6, which is a schematic structural diagram of a decoration film of the present invention, and is the same as fig. 1, and includes a substrate layer 11, a pattern layer 12, a reflective layer 13, a first bonding layer 14, and a colored film layer 15, which are sequentially disposed, and the difference from fig. 1 is that the section of the micro-nano structure in fig. 3 is a triangular structure. Similarly, the micro-nano structures can be arranged continuously or at intervals. In a preferred embodiment, the decorative film further includes a sealing layer (not shown), and the sealing layer is made of light-curable glue or heat-curable glue.
Please refer to fig. 7, which is a schematic structural diagram of a decoration film of the present invention, and is the same as fig. 1, and includes a substrate layer 11, a pattern layer 12, a reflective layer 13, a first bonding layer 14, and a colored film layer 15, which are sequentially disposed, and the difference from fig. 1 is that a cross section of the micro-nano structure in fig. 4 is a rectangular structure. Similarly, the micro-nano structures can be arranged continuously or at intervals. In a preferred embodiment, the decorative film further includes a sealing layer (not shown), and the sealing layer is made of light-curable glue or heat-curable glue.
Please refer to fig. 8, which is a schematic structural diagram of a decoration film according to the present invention, the same as fig. 1, including a substrate layer 11, a pattern layer 12, a reflective layer 13, a first bonding layer 14 and a colored film layer 15, which are sequentially disposed, and the difference from fig. 1 is that the section of the micro-nano structure in fig. 4 is a trapezoid structure. Similarly, the micro-nano structures can be arranged continuously or at intervals. In a preferred embodiment, the decorative film further includes a sealing layer (not shown), and the sealing layer is made of light-curable glue or heat-curable glue.
In a preferred embodiment, the micro-nano structure is a micro-lens, a cylindrical mirror, a fresnel lens, a CD pattern, a moth-eye structure, or a wire drawing pattern. The section of the micro-nano structure is triangular, semicircular, rectangular, trapezoidal, concave or irregular. Receive the structure a little can also be other structures, because receive the structure a little not the utility model discloses an innovation point, will not be repeated here.
In the above-mentioned embodiment, the colour of decorating film, decoration glass and electronic product apron is by the mediation effect that coloured thin layer and reflector layer show jointly, and coloured thin layer replaces the printing ink layer to realize supplementary colour development and the effect that the bottoming sheltered from, and preferred embodiment has more reached waterproof purpose, so homoenergetic can realize the utility model aims at.
In order to make the aforementioned objects, features and advantages of the present invention more comprehensible, embodiments of the present invention are described in detail with reference to the accompanying drawings. In the above description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. The 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 invention. Moreover, 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 (13)
1. A decorative film, comprising:
the pattern layer comprises a plurality of micro-nano structures, and the micro-nano structures are convex structures and/or concave structures;
the reflecting layer is arranged on the surface of the pattern layer and covers or partially covers the micro-nano structure;
the colored thin film layer is positioned on one side, away from the pattern layer, of the reflecting layer and is bonded with the reflecting layer through a first bonding layer; wherein the light transmittance of the colored thin film layer is not more than 5%.
2. The decorative film of claim 1, wherein the colored film layer comprises a polymer film layer having a light transmission of no greater than 5%; or a composite layer with a colored material layer arranged on one surface of the base layer; or a composite layer which comprises a polymer film layer with light transmittance not more than 50% and a colored material layer arranged on one surface.
3. A decorative film according to claim 1, further comprising a sealing layer disposed on a side of the colored film layer remote from the first adhesive layer, the colored film layer and the sealing layer having a water permeability of not more than 10%.
4. The decorative film of claim 2, wherein the polymeric film layer and the base layer are one or a composite of a PET layer, a PI layer, a CPI layer, a PC layer, or a PMMA layer.
5. The decoration film of claim 1, further comprising a colored or colorless ink layer disposed between the first adhesive layer and the reflective layer, wherein the ink layer, the first adhesive layer and the colored film layer have a light transmittance of not more than 3%.
6. The decorative film of claim 1, further comprising a substrate layer, wherein the substrate layer comprises a first surface and a second surface, and wherein the pattern layer is disposed on the second surface.
7. The decoration film of claim 1, wherein the reflection layer is a metal layer, a metal oxide layer or a non-metal oxide layer coated on the pattern layer, or the reflection layer is plated on the pattern layer.
8. The decorative film of claim 6, further comprising a second adhesive layer disposed on the first surface of the substrate layer.
9. The decoration film of any one of claims 1 to 8, wherein the micro-nano structure is a micro-lens, a small stub, a cylindrical mirror, a Fresnel lens, a CD pattern, a moth-eye structure or a wire drawing pattern.
10. An electronic product cover plate, comprising:
a glass layer comprising a first surface and a second surface disposed opposite;
the second bonding layer is arranged on the second surface of the glass layer;
the substrate layer is arranged on one side, far away from the glass layer, of the second bonding layer, and the glass layer and the substrate layer are bonded through the second bonding layer;
the pattern layer is arranged on one side, away from the second bonding layer, of the base material layer and comprises a plurality of micro-nano structures, and the micro-nano structures are protruding structures and/or recessed structures;
the reflecting layer is arranged on one side, far away from the base material layer, of the pattern layer, and covers or partially covers the pattern layer;
the first bonding layer is arranged on one side, far away from the pattern layer, of the reflecting layer;
the colored thin film layer is positioned on one side, away from the pattern layer, of the reflecting layer and is bonded with the reflecting layer through a first bonding layer; wherein the light transmittance of the colored thin film layer is not more than 5%.
11. The electronic cover sheet of claim 10, wherein the colored thin film layer comprises a polymer thin film layer having a light transmission of no greater than 5%; or a composite layer with a colored material layer arranged on one surface of the base layer; or a composite layer which comprises a polymer film layer with light transmittance not more than 50% and a colored material layer arranged on one surface.
12. The electronic product cover plate of claim 10, further comprising a sealing layer disposed on a side of the colored thin film layer away from the first adhesive layer, wherein the colored thin film layer and the sealing layer have a water permeability of no greater than 10%.
13. The electronic product cover plate of claim 10, further comprising a colored or colorless ink layer disposed between the first adhesive layer and the reflective layer, wherein the light transmittance of the ink layer, the first adhesive layer and the colored thin film layer is not greater than 3%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922019410.1U CN211641189U (en) | 2019-11-21 | 2019-11-21 | Decorative film and electronic product cover plate |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201922019410.1U CN211641189U (en) | 2019-11-21 | 2019-11-21 | Decorative film and electronic product cover plate |
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| CN211641189U true CN211641189U (en) | 2020-10-09 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110802881A (en) * | 2019-11-21 | 2020-02-18 | 昇印光电（昆山）股份有限公司 | Decorative film and electronic product cover plate |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110802881A (en) * | 2019-11-21 | 2020-02-18 | 昇印光电（昆山）股份有限公司 | Decorative film and electronic product cover plate |
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