CN110385898B - Functional membrane, glass plate and terminal - Google Patents
Functional membrane, glass plate and terminal Download PDFInfo
- Publication number
- CN110385898B CN110385898B CN201810356596.7A CN201810356596A CN110385898B CN 110385898 B CN110385898 B CN 110385898B CN 201810356596 A CN201810356596 A CN 201810356596A CN 110385898 B CN110385898 B CN 110385898B
- Authority
- CN
- China
- Prior art keywords
- layer
- coating layer
- layers
- thickness
- functional
- 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
- 239000011521 glass Substances 0.000 title claims abstract description 111
- 239000012528 membrane Substances 0.000 title claims abstract description 48
- 239000010410 layer Substances 0.000 claims abstract description 413
- 239000011247 coating layer Substances 0.000 claims abstract description 117
- 239000000758 substrate Substances 0.000 claims abstract description 44
- 238000001228 spectrum Methods 0.000 claims abstract description 23
- 238000002310 reflectometry Methods 0.000 claims abstract description 8
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 120
- URLJKFSTXLNXLG-UHFFFAOYSA-N niobium(5+);oxygen(2-) Chemical compound [O-2].[O-2].[O-2].[O-2].[O-2].[Nb+5].[Nb+5] URLJKFSTXLNXLG-UHFFFAOYSA-N 0.000 claims description 47
- 229910052814 silicon oxide Inorganic materials 0.000 claims description 46
- 235000012239 silicon dioxide Nutrition 0.000 claims description 37
- 239000000377 silicon dioxide Substances 0.000 claims description 37
- 239000003292 glue Substances 0.000 claims description 29
- ZKATWMILCYLAPD-UHFFFAOYSA-N niobium pentoxide Inorganic materials O=[Nb](=O)O[Nb](=O)=O ZKATWMILCYLAPD-UHFFFAOYSA-N 0.000 claims description 24
- 229910000484 niobium oxide Inorganic materials 0.000 claims description 23
- 229910052738 indium Inorganic materials 0.000 claims description 19
- APFVFJFRJDLVQX-UHFFFAOYSA-N indium atom Chemical compound [In] APFVFJFRJDLVQX-UHFFFAOYSA-N 0.000 claims description 19
- AZCUJQOIQYJWQJ-UHFFFAOYSA-N oxygen(2-) titanium(4+) trihydrate Chemical compound [O-2].[O-2].[Ti+4].O.O.O AZCUJQOIQYJWQJ-UHFFFAOYSA-N 0.000 claims description 14
- 229920002799 BoPET Polymers 0.000 claims description 10
- 239000002346 layers by function Substances 0.000 claims description 9
- 229920000139 polyethylene terephthalate Polymers 0.000 claims description 5
- 239000005020 polyethylene terephthalate Substances 0.000 claims description 5
- -1 polyethylene terephthalate Polymers 0.000 claims description 4
- 239000010408 film Substances 0.000 description 55
- 230000008859 change Effects 0.000 description 54
- 239000000047 product Substances 0.000 description 29
- 239000000463 material Substances 0.000 description 21
- 229910052751 metal Inorganic materials 0.000 description 19
- 239000002184 metal Substances 0.000 description 19
- 230000000694 effects Effects 0.000 description 18
- 238000009501 film coating Methods 0.000 description 18
- 239000007888 film coating Substances 0.000 description 17
- 239000011248 coating agent Substances 0.000 description 15
- 238000000576 coating method Methods 0.000 description 15
- 239000003086 colorant Substances 0.000 description 13
- 238000010586 diagram Methods 0.000 description 7
- 230000003595 spectral effect Effects 0.000 description 7
- 238000000034 method Methods 0.000 description 6
- 230000008569 process Effects 0.000 description 6
- 238000000985 reflectance spectrum Methods 0.000 description 6
- 239000012790 adhesive layer Substances 0.000 description 3
- 238000002845 discoloration Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 230000003287 optical effect Effects 0.000 description 3
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 239000007795 chemical reaction product Substances 0.000 description 2
- 230000006870 function Effects 0.000 description 2
- 238000007747 plating Methods 0.000 description 2
- 238000007650 screen-printing Methods 0.000 description 2
- 238000005507 spraying Methods 0.000 description 2
- 101001018064 Homo sapiens Lysosomal-trafficking regulator Proteins 0.000 description 1
- 102100033472 Lysosomal-trafficking regulator Human genes 0.000 description 1
- 235000010703 Modiola caroliniana Nutrition 0.000 description 1
- 244000038561 Modiola caroliniana Species 0.000 description 1
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000002860 competitive effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000004069 differentiation Effects 0.000 description 1
- 238000004049 embossing Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000000265 homogenisation Methods 0.000 description 1
- 239000012788 optical film Substances 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 description 1
- 238000010023 transfer printing Methods 0.000 description 1
- SWGJCIMEBVHMTA-UHFFFAOYSA-K trisodium;6-oxido-4-sulfo-5-[(4-sulfonatonaphthalen-1-yl)diazenyl]naphthalene-2-sulfonate Chemical compound [Na+].[Na+].[Na+].C1=CC=C2C(N=NC3=C4C(=CC(=CC4=CC=C3O)S([O-])(=O)=O)S([O-])(=O)=O)=CC=C(S([O-])(=O)=O)C2=C1 SWGJCIMEBVHMTA-UHFFFAOYSA-K 0.000 description 1
- 238000001429 visible spectrum Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B17/00—Layered products essentially comprising sheet glass, or glass, slag, or like fibres
- B32B17/06—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material
- B32B17/10—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B17/00—Layered products essentially comprising sheet glass, or glass, slag, or like fibres
- B32B17/06—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material
- B32B17/10—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin
- B32B17/10005—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin laminated safety glass or glazing
- B32B17/10009—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin laminated safety glass or glazing characterized by the number, the constitution or treatment of glass sheets
- B32B17/10018—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin laminated safety glass or glazing characterized by the number, the constitution or treatment of glass sheets comprising only one glass sheet
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/06—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/36—Layered products comprising a layer of synthetic resin comprising polyesters
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B33/00—Layered products characterised by particular properties or particular surface features, e.g. particular surface coatings; Layered products designed for particular purposes not covered by another single class
-
- 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
-
- 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
- H04M1/026—Details of the structure or mounting of specific components
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2255/00—Coating on the layer surface
- B32B2255/10—Coating on the layer surface on synthetic resin layer or on natural or synthetic rubber layer
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2255/00—Coating on the layer surface
- B32B2255/20—Inorganic coating
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2255/00—Coating on the layer surface
- B32B2255/20—Inorganic coating
- B32B2255/205—Metallic coating
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2307/00—Properties of the layers or laminate
- B32B2307/40—Properties of the layers or laminate having particular optical properties
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Laminated Bodies (AREA)
- Surface Treatment Of Glass (AREA)
- Spectrometry And Color Measurement (AREA)
Abstract
The application provides a functional membrane, a glass plate and a terminal, wherein the functional membrane comprises a base, a coating layer and a substrate which are sequentially overlapped, and the coating layer is positioned between the base and the substrate; the coating layer comprises at least three layers, the thicknesses of all layers in the at least three layers are uneven, the thickness of any layer in the middle of the at least three layers is larger than that of any layer in the other at least three layers, so that more than two areas with the reflectivity slope larger than a threshold value are arranged in a reflection spectrum curve of the coating layer, and the thicknesses of all layers in the at least three layers are uneven.
Description
Technical Field
The application relates to the field of electronic equipment, in particular to a large-angle color-changing functional membrane, a glass plate and a terminal.
Background
Mobile terminals such as mobile phones are becoming one of the necessities of modern life, and play an increasingly important role in various conditions such as modern life, work contact and the like, and the aesthetic degree of mobile phones, such as the aesthetic property of mobile phone shells, directly influences the purchasing desire of consumers, in order to realize the appearance aesthetic property of mobile phones, the appearance main body materials of mobile phone products are fully oriented to glass materials, namely, the outer surfaces of mobile phones are all made of glass materials, and because the influence of a new technological treatment mode of the glass materials on the appearance effect is very large, the competitiveness and differentiation of the products are very important, so that each terminal manufacturer is seeking technological breakthrough on the glass materials.
At present, common process technologies for glass materials include: the appearance of the glass material can be improved by silk screen printing, spraying, glass coating, film transfer printing (GDM for short), and texture treatment of polyethylene terephthalate (Polyethylene terephthalate for short, PET) film, namely, the processing modes of silk screen printing, spraying, glass coating, GDM or PET film texture and the like.
However, when the glass material is treated by the process, the homogeneity of the treatment process is serious, so that the appearance of the glass material product is not broken through newly, and the glass material is single, namely, when the glass material is applied to end products such as mobile phones, the appearance quality of the end products is not improved, and the appearance of the products is lack of competitiveness.
Disclosure of Invention
The application provides a functional membrane, a glass plate and a terminal, which realize the purpose of changing color at a large angle and solve the problem that the appearance quality of a glass material product is not improved due to serious homogenization of the existing glass material in a treatment process.
The application provides a functional membrane which comprises a base, a coating layer and a substrate which are sequentially overlapped, wherein the coating layer is positioned between the base and the substrate;
The coating layer comprises at least three layers, wherein the thicknesses of all layers in the at least three layers are uneven, and the thickness of any one layer in the middle of the at least three layers is larger than that of any other layer in the at least three layers, so that more than two areas with reflectivity slope larger than a threshold value are arranged in a reflection spectrum curve of the coating layer.
According to the functional membrane provided by the application, through the uneven thickness of each layer in the at least three-layer structure, the thickness of any one layer in the middle of the at least three-layer structure is larger than that of any other layer in the at least three-layer structure, so that more than two areas with the reflectance slope larger than a threshold value are arranged in the reflectance spectrum curve of the coating layer, when the coating layer is observed at different angles, the reflectance spectrum curve of the coating layer moves leftwards, the spectral characteristics change, at least two different colors are finally observed when the coating layer is observed at different angles, namely the coating layer changes color, and the color change is more obvious when the angle is larger, so that the functional membrane realizes large-angle color change, and the observed colors of different angles of human eyes are different when the functional membrane is observed at different angles, so that the product with the functional membrane has more abundant and bright color effects, and the appearance competitiveness of the product is greatly improved.
In a possible implementation manner of the first aspect, a thickness of any one layer in the middle of the at least three-layer structure is 2-3 times that of any other layer of the at least three-layer structure. The thickness of any layer in the middle of the at least three-layer structure is set to be 2-3 times of the thickness of any layer in the other at least three-layer structure, so that the coating layer generates two to three areas with larger reflectivity slopes in the visible spectrum, and when the membrane is observed at different angles, the color of the membrane is more obvious when the membrane is observed at large angles, namely the color of the membrane is changed more greatly, and the obvious different colors are presented.
In a possible implementation manner of the first aspect, the thickness of the middle thickest layer of the at least three-layer structure is between 100 and 300nm.
In a possible implementation manner of the first aspect, a glue layer is arranged between the substrate and the coating layer, a surface of the glue layer facing the coating layer is provided with groove textures, and the surface of the coating layer is matched with the groove textures. Through having the slot texture on the glue film orientation the one side of coating film layer, the coating film layer attaches at texture slot surface like this, and light forms diffuse reflection, and the colour after the diffuse reflection is more obvious along with the angle variation, and rotatory product angle has the dazzle illusion effect of obvious discolouring like this, consequently, in this embodiment, set up the effect of discolouring that the slot texture makes the functional diaphragm more obvious on the basis that wide-angle discoloured to the product that makes to use this functional diaphragm has the glaring illusion effect of obvious discolouring, and the product outward appearance is more dazzled.
In a possible implementation manner of the first aspect, the groove texture is a micro-nano texture.
In a possible implementation manner of the first aspect, the cross section of the groove texture is in a concave-convex shape.
In a possible implementation manner of the first aspect, the glue layer is an ultraviolet UV glue layer. Through setting up the glue film into the UV glue film, the influence that the resistant coating film layer stress of UV glue film produced like this to can reduce the fracture of coating film layer UV glue film after the coating film on the UV glue film, and then reduce the diaphragm surface and appear bad risk.
In a possible implementation manner of the first aspect, the thickness of the UV glue layer is 13 μm.
In a possible implementation manner of the first aspect, the thickness of the coating layer is between 250nm and 800nm.
In a possible implementation manner of the first aspect, the coating layer includes a 5-layer structure.
In one possible implementation manner of the first aspect, the coating layer includes a first silicon dioxide layer, a first titanium pentoxide layer, a second silicon dioxide layer, a second titanium pentoxide layer and a third silicon dioxide layer that are sequentially stacked, so that when the thickness of any one of the first titanium pentoxide layer, the second silicon dioxide layer and the second titanium pentoxide layer is set to be 2-3 times that of any one of the other layers, the purpose that the functional membrane changes color from green to purple is achieved.
In a possible implementation manner of the first aspect, the coating layer includes a 7-layer structure.
In a possible implementation manner of the first aspect, the coating layer includes a first silicon oxide layer, a metal indium layer, a second silicon oxide layer, a first niobium oxide layer, a third silicon oxide layer, a second niobium oxide layer, and a fourth silicon oxide layer that are sequentially stacked. Therefore, when the thickness of any one of the five layers of the metal indium layer, the second silicon dioxide layer, the first niobium oxide layer, the third silicon oxide layer and the second niobium oxide layer is set to be 2-3 times of the thickness of any other layer, the purpose that the functional membrane changes color from blue to purple is achieved.
In a possible implementation manner of the first aspect, the coating layer includes an 8-layer structure.
In a possible implementation manner of the first aspect, the coating layer includes a first silicon dioxide layer, a first niobium pentoxide layer, a metal indium layer, a second silicon dioxide layer, a second niobium pentoxide layer, a third silicon dioxide layer, a third niobium pentoxide layer and a fourth silicon dioxide layer that are sequentially stacked. The intermediate layer is as follows: and when the thickness of any one of the first niobium pentoxide layer, the metal indium layer, the second silicon dioxide layer, the second niobium pentoxide layer, the third silicon dioxide layer and the third niobium pentoxide layer is 2-3 times of the thickness of any one of the first silicon dioxide layer, the first niobium pentoxide layer, the metal indium layer, the second silicon dioxide layer, the second niobium pentoxide layer, the third silicon dioxide layer, the third niobium pentoxide layer and the fourth silicon dioxide layer, the color of the diaphragm changes from blue to purple when the diaphragm is observed from different angles.
In a possible implementation manner of the first aspect, the substrate is an opaque ink layer, so that the ink layer plays a role of preventing light transmission, so that the reflection effect of the functional membrane is better.
In a possible implementation manner of the first aspect, the number of the ink layers is multiple.
In a possible embodiment of the first aspect, the ink layer has a thickness of between 20 and 30 μm.
In one possible embodiment of the first aspect, the substrate is a polyethylene terephthalate PET film.
In a possible implementation of the first aspect, the PET film thickness is 0.05mm.
The application also provides a glass plate, which comprises a glass substrate and any one of the functional films, wherein the functional films are arranged on one surface of the glass substrate, and the substrate of the functional film is positioned between the film coating layer of the functional film and the glass substrate.
The glass plate comprises the functional membrane, wherein the functional membrane is provided with the coating layer, and the coating layer is provided with the region with more than two reflectance slopes larger than a threshold value in the reflection spectrum curve of the coating layer due to the change of the thicknesses of the layers, so that when the coating layer is observed at different angles, the reflection spectrum curve of the coating layer moves leftwards, the spectral characteristics change, and finally at least two different colors are observed when the coating layer is observed at different angles, so that when the functional membrane is observed by human eyes, the observed colors are different, the original transparent clean glass is increased by the glass, the effect of very rich, fine and smooth and changeable color changing shadow is generated along with the change of angles and texture light beams, the brand-new and richer light shadow texture, color change, layering sense, depth sense and permeability sense on glass materials are created, the light shadow and the color effect of the glass plate are richer, the competitive power and attractive force of glass products are greatly improved, and the attractive force of the glass products are finally, the problem that the existing glass plate is seriously treated by the glass plate is solved, the quality of the existing glass plate is improved, the quality of the existing glass is greatly, and the quality of the glass is improved, and the quality of the existing glass is greatly improved is improved due to the quality of the glass is improved.
The application further provides a terminal, which at least comprises a terminal body and the glass plate, wherein the glass plate is positioned on the outer surface of the terminal body.
According to the terminal provided by the application, the glass plate is arranged on the outer surface of the terminal body, so that the purpose of changing color at a large angle is realized on the outer surface of the terminal, and when a user observes the terminal at different angles, the terminal shows different color changes, so that the appearance of a terminal product has a bright light changing effect of obviously changing color, the appearance aesthetic property of the terminal product is greatly improved, and the terminal product has more competitiveness and attractive force.
In a possible implementation manner of the third aspect, the glass plate includes an upper glass plate and a lower glass plate, where the upper glass plate cover is disposed on one side of the screen of the terminal body, and the lower glass plate cover is disposed on the other side of the terminal body facing away from the screen. By including an upper glass plate and a lower glass plate, both the front and back surfaces of the terminal can exhibit large-angle discoloration.
These and other aspects, implementations, and advantages of the exemplary embodiments will become apparent from the following description of the embodiments, taken in conjunction with the accompanying drawings. It is to be understood that the specification and drawings are solely for purposes of illustration and not as a definition of the limits of the application, for which reference should be made to the appended claims. Additional aspects and advantages of the application will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the application. Furthermore, the aspects and advantages of the application may be realized and obtained by means of the instruments and combinations particularly pointed out in the appended claims.
Drawings
FIG. 1 is a schematic structural diagram of a functional membrane according to a first embodiment of the present application;
FIG. 2 is a schematic diagram of a coating layer in a functional film according to an embodiment of the present application;
FIG. 3 is a schematic view of a functional membrane according to a first embodiment of the present application;
FIGS. 4a-4e are schematic views showing changes in color of glass observed at different angles after a functional film provided in accordance with a first embodiment of the present application is attached to the glass;
FIG. 5 is a schematic view of another structure of a coating layer in a functional film according to an embodiment of the present application;
FIG. 6 is a schematic view of a glass sheet according to a second embodiment of the present application;
fig. 7 is a schematic diagram of a split structure of a terminal according to a third embodiment of the present application.
Detailed Description
FIG. 1 is a schematic structural diagram of a functional membrane according to a first embodiment of the present application; FIG. 2 is a schematic diagram of a coating layer in a functional film according to an embodiment of the present application; FIG. 3 is a schematic view of a functional membrane according to a first embodiment of the present application; FIGS. 4a-4e are schematic views showing changes in color of glass observed at different angles after a functional film provided in accordance with a first embodiment of the present application is attached to the glass; fig. 5 is a schematic view of another structure of a coating layer in a functional film according to an embodiment of the present application.
Referring to fig. 1, the functional membrane 100 provided in this embodiment includes a base 10, a coating layer 20 and a substrate 30 stacked in order, wherein the coating layer 20 is located between the base 10 and the substrate 30, specifically, the coating layer 20 is disposed on the base 10, and the substrate 30 is disposed on the coating layer 20.
The optical coating technology is specifically a conventional technology, and specifically refers to a process of coating a layer (or multiple layers) of metal (or medium) film on the surface of an optical part, in this embodiment, the coating layer 20 specifically includes at least three layers, that is, at least three layers of metal or medium films are coated on the substrate 10, in this embodiment, in order to make the functional membrane 10 implement the color-changing purpose, specifically, the thickness of each layer in the at least three layers is seriously uneven, the thickness of any layer in the middle of the at least three layers is greater than the thickness of any layer in the other layers, that is, the thickness of any layer in the middle of the coating layer 20 is greater than the thickness of any layer in the other layers of the coating layer 20, so that the reflectance spectrum curve corresponding to the coating layer 20 has two or more regions with reflectance slopes greater than a threshold value, when the coating layer 20 is observed at different angles, the reflectance spectrum curve of the coating layer 20 moves to the left, so that the characteristics change, finally, in order to make the coating layer 20 color change, at least two different colors are presented, and in order to implement the purpose that the color-changing function membrane 100 is observed at least two different angles, and the purpose is achieved when the color-changing function 100 is observed at least two different angles.
In this embodiment, the reflection spectrum curve of the coating layer 20 is specifically a spectrum curve formed by different wavelengths and reflectances, wherein the abscissa in the reflection spectrum curve is the wavelength, the ordinate is the reflectance, and the reflectance slope is the inclination degree corresponding to the line connecting the two positions in the reflection spectrum curve, so in this embodiment, the reflection spectrum curve of the coating layer 20 has two or more regions with reflectance slopes greater than a threshold value, that is, the reflectance slope of the region with two or more regions in the reflection spectrum curve of the coating layer 20 is greater than the threshold value, so that the reflection spectrum curve of the coating layer 20 has two or more regions with greater reflectance slopes, wherein in this embodiment, the threshold value is specifically the slope value corresponding to the inclination angle of 30 °.
In this embodiment, three regions with larger reflectivity slopes (i.e. greater than a threshold value) may be provided in the reflection spectrum curve of the coating layer 20, or four regions with larger reflectivity slopes may be provided in the reflection spectrum curve of the coating layer 20, and in practical application, in order to achieve color change, three regions with larger reflectivity slopes are provided in the reflection spectrum curve of the coating layer 20, so that two different colors may appear in the coating layer 20 in the reflection process.
In this embodiment, when the coating layer 20 includes a three-layer structure, the first layer, the second layer and the third layer are respectively, where the second layer is located between the first layer and the third layer, and at this time, the second layer is thicker than the other two layers, where the coating layer 20 may further include 5 layers, which are respectively a first layer, a second layer, a third layer, a fourth layer and a fifth layer, where the middle layer is a second layer, a third layer and a fourth layer, and thus, the thickness of any one of the second layer, the third layer and the fourth layer is thicker than the thickness of any one of the first layer, the second layer, the third layer, the fourth layer and the fifth layer, for example, the thickness of the second layer is thicker than the first layer, or the thickness of the second layer is thicker than the third layer.
In this embodiment, it should be noted that, in this embodiment, the coating layer 20 includes at least three functional layers, that is, in this embodiment, the number of functional layers of the coating layer 20 is at least three, where the functional layers are specifically effective layers in the coating layer 20, in practical application, the functional layers of the coating layer 20 may be provided with two connection layers (that is, the functional layers are located between the two connection layers), the connection layers are ineffective layers, the connection layers are used to ensure adhesion between the coating layer and the ink (the substrate is often an ink layer), and the coating material of the connection layers is often silicon oxide, where the coating material of the functional layers is specifically silicon oxide, niobium oxide, indium metal, titanium oxide, and the like.
According to the functional membrane 100 provided by the application, the thickness of any one layer in the middle of the at least three-layer structure is larger than that of any other layer of the at least three-layer structure, and meanwhile, the thickness of each layer in the at least three-layer structure is seriously uneven, so that more than two areas with the reflectance gradient larger than a threshold value are arranged in the reflectance spectrum curve of the coating layer 20, when the coating layer is observed at different angles, the reflectance spectrum curve of the coating layer moves leftwards, so that the spectral characteristics change, finally, two different colors are observed when the coating layer is observed at different angles, the functional membrane can realize color change, and the color change is more obvious when the angle is larger, namely the functional membrane 100 realizes large-angle color change, and the observed colors are different when human eyes observe the functional membrane 100, so that the product with the functional membrane 100 has richer and brighter light shadow and color effects, and the appearance competitiveness of the product is greatly improved, the color change of the glass material and the appearance quality of the product is greatly improved, and the problem of the existing glass is solved that the quality of the processed glass is not serious is solved.
In one possible implementation manner, in this embodiment, when the thickness of any one layer in the middle of the at least three-layer structure is greater than that of any one layer in the other at least three-layer structure, if the thickness difference between one layer in the middle and any other layer is smaller or greater, the film coating layer 20 can realize color change, but the color change is not obvious, that is, the color change starts to shrink, so in this embodiment, in order to ensure that the color change of the film coating layer 20 is larger, the color change is more obvious, specifically, the thickness of any one layer in the middle of the at least three-layer structure is 2-3 times that of any other layer in the at least three-layer structure, that is, a certain layer in the middle of the film coating layer 20 is 2-3 times that of any layer in the other layer, for example, the film coating layer 20 includes a three-layer structure, which is respectively a first layer, a second layer and a third layer, at this moment, the thickness of the second layer is 2-times or 3 times that of the other two layers, in practical application, when the film coating layer 20 includes the three-layer structure, the second layer is 3 times that of the other two layers, in this embodiment, the thickness of any one layer in the at least three-layer structure is at least one layer is 2-3 times that the thickness of any one layer, the film coating layer is different from obvious, when the film coating layer is different from the visible, and the film coating film thickness is different from the different, and the color change, and the film coating film thickness is different from the apparent, and the apparent, when the film thickness is different from the film thickness, and the apparent, and when the film thickness is different.
In this embodiment, it should be noted that, when the thickness of any one of the middle layers of the at least three-layer structure is 2 to 3 times the thickness of any one of the other layers of the at least three-layer structure, the discoloration of the coating layer 20 is larger, but when the thickness of any one of the middle layers of the at least three-layer structure is about 2 to 3 times the thickness of any one of the other layers of the at least three-layer structure, for example, 1.5 times or 3.5 times, the color change of the coating layer 20 starts to shrink, that is, the discoloration is not obvious. In this embodiment, the thickness of any one layer in the middle of the at least three-layer structure is 2.5-3 times of the thickness of any other layer of the at least three-layer structure, and the color change is the largest and the color change is the most obvious.
In this embodiment, for example, if the coating layer 20 includes a 4-layer structure, if the thickness of the third layer is 120nm, then the thickness of one layer of the other three layers is 40-60nm, for example, the first layer is 40-60nm, the second layer is 40-60nm, or the fourth layer is 40-60nm. Thus, the thickness of the third layer and one of the layers is 2-3 times, and the coating layer 20 can realize large-angle color change.
When the reflection spectrum curve of the functional film 100 changes with the angle (0 °,5 °, 30 °,45 °, 60 °, 75 °), the reflection spectrum curve shifts to the left (the spectrum color changes from long-wave color to short-wave color), and the curve shape changes (the brightness and saturation of the color change), the color change is not obvious within 30 degrees, and the color change from 45 degrees to 75 degrees is very large.
According to the functional membrane 100 provided by the embodiment, when any one layer thickness in the middle of the at least three-layer structure is 2-3 times of any other layer thickness of the at least three-layer structure, more than two areas with larger reflectivity slopes are arranged in the reflection spectrum curve of the coating layer 20, when the coating layer is observed at different angles, the reflection spectrum curve of the coating layer 20 moves left, so that the spectrum characteristics change, at least two different colors are finally observed when the coating layer is observed at different angles, and thus, when the functional membrane 100 is observed by eyes, the observed colors are also different, especially when the functional membrane 100 is at a large angle, the functional membrane 100 changes color, namely, the functional membrane 100 achieves the purpose of changing color at a large angle, so that the product shadow and the color effect of the functional membrane 100 are richer, the appearance competitiveness of the product is greatly improved, the purpose of changing color at a large angle is achieved by the functional membrane 100 provided by the embodiment, the color and the shadow are richer, the appearance attractiveness of the glass product is improved, and the quality of the product is seriously treated by the prior art, and the quality of the glass is not improved, and the quality of the product is not seriously is improved.
In one possible embodiment, the thickness of the middle thickest layer of the coating layer 20 is between 100 and 300nm, i.e. the thickest layer of the functional layers of the coating layer 20 is greater than 100nm and less than 300nm.
In one possible implementation manner, since the color change of the coating layer 20 on the smooth material and the object surface is weak, and the large-angle color change is not obvious, in order to make the color change at a large angle more obvious, in this embodiment, as shown in fig. 3, a glue layer 40 is provided between the substrate 10 and the coating layer 20, a groove texture is provided on a surface of the glue layer 40 facing the coating layer 20, and the surface of the coating layer 20 is matched with the groove texture, so that the coating layer 20 is attached to the surface of the texture groove, the light forms diffuse reflection, the color after diffuse reflection is obvious along with the angle change, and thus the product angle is rotated to have the flare effect of obviously changing color, therefore, in this embodiment, the color change effect of the functional film 100 is more obvious due to the groove texture provided on the basis of the large-angle color change, so that the product using the functional film 100 has the flare effect of obviously changing color, and the product appearance is more bright.
In this embodiment, the groove texture is specifically formed by embossing the adhesive layer 40 by the texture grinding tool, wherein, since the film coating layer 20 is formed by optical film coating, when the film coating layer 40 is coated, the film coating layer 20 is first filled in the groove texture, and the surface of the finally formed film coating layer 20 is matched with the groove texture (as shown in fig. 3), so that when the substrate 30 is disposed on the film coating layer 20, the substrate 30 needs to fill the film coating layer 20, and therefore, as shown in fig. 3, the surface of the substrate 30 facing the film coating layer 20 is also matched with the groove texture.
In this embodiment, the glue layer 40 is specifically a UV glue layer, and the glue layer 40 is set to be a UV glue layer, so that the UV glue layer resists the influence of the stress of the coating layer 20, thereby reducing the breakage of the UV glue layer after the coating layer 20 coats the UV glue layer, and further reducing the risk of poor appearance on the surface of the membrane.
In this embodiment, the thickness of the UV glue layer may be 13 μm.
In this embodiment, when forming the groove texture on the adhesive layer 40, the groove texture is specifically a micro-nano texture, that is, the groove texture is a micro-scale or nano-scale texture.
In this embodiment, the cross section of the groove texture is in a concave-convex shape, as shown in fig. 3, the cross section of the groove texture is in a wavy shape, and in practical application, the cross section of the groove texture may be other micro-nano waves.
In one possible embodiment, the thickness of the coating layer 20 is between 250nm and 800nm, for example, the thickness of the coating layer 20 may be 400nm, or may also be 500nm, etc., and the specific thickness is set according to practical requirements.
In one possible embodiment, the coating layer 20 includes a 7-layer structure, specifically, as shown in fig. 2, the 7-layer structure of the coating layer 20 is specifically: the first silicon oxide layer 21a, the metal indium layer 22a, the second silicon oxide layer 23a, the first niobium oxide layer 24a, the third silicon oxide layer 25a, the second niobium oxide layer 26a and the fourth silicon oxide layer 27a are stacked in this order from bottom to top, wherein the first silicon oxide layer 21a, the metal indium layer 22a, the first niobium oxide layer 24a, the second silicon oxide layer 23a, the second niobium oxide layer 26a, the third silicon oxide layer 25a and the fourth silicon oxide layer 27a are stacked in this order, and wherein the thickness of the first silicon oxide layer 21a is 10 to 20nm, the thickness of the metal indium layer 22a is 21nm, the thickness of the second silicon oxide layer 23a is 53nm, the thickness of the first niobium oxide layer 24a is 69nm, the thickness of the third silicon oxide layer 25a is 81nm, the thickness of the second niobium oxide layer 26a is 126nm and the thickness of the fourth silicon oxide layer 27a is 10 to 20nm, as shown in fig. 2. At this time, the functional film 100 including the coating layer 20 is attached to glass for observation, specifically:
The viewing angles were respectively normal, i.e., 0 degree of incidence (as shown in fig. 4 a), 15 degrees of tilt normal, i.e., 15 degrees of incidence (as shown in fig. 4 b), 30 degrees of tilt normal, i.e., 30 degrees of incidence (as shown in fig. 4 c), 45 degrees of tilt normal, i.e., 45 degrees of incidence (as shown in fig. 4 d), 60 degrees of tilt normal, i.e., 60 degrees of incidence (as shown in fig. 4 e), it was observed that the color observed at 0 degree of incidence was blue as shown in fig. 4a, the color observed at 15 degrees of incidence was dark blue as shown in fig. 4b, the color observed at 30 degrees of incidence was dark blue green as shown in fig. 4e, the color observed at 45 degrees of incidence was green as shown in fig. 4d, the color observed at 60 degrees of incidence was purple as shown in fig. 4e, therefore, in this embodiment, the observed color change is weak and insignificant between the incident angle of 0 degrees and the incident angle of 30 degrees, and as the angle increases, the color change is sharply and significantly noticeable, and the color observed at 45 degrees may change to the critical color of the color at 0 degrees (adjacent color in the spectral color), and the color may even change to one interval adjacent color (near-adjacent color in the spectrum) at 60 degrees, for example, the color changes to mauve at 45 degrees to 60 degrees or changes to green at 45 degrees to purple at 60 degrees, that is, the functional film 100 of this embodiment changes color at a large angle from one color to another color directly.
Therefore, the functional film 100 provided in this embodiment achieves the purpose of color change at a large angle by making the thickness of any one layer in the middle of the at least three-layer structure 2 to 3 times the thickness of any other layer of the at least three-layer structure.
In the plating film layer 20 having a 7-layer structure, the thickness of the metal indium layer 22a, the second silicon oxide layer 23a, the first niobium oxide layer 24a, or the third silicon oxide layer 25a in the intermediate layer may be set to 2 to 3 times the thickness of one layer of the other.
In this embodiment, the coating layer 20 includes 7 layers of a first silicon oxide layer 21a, a metal indium layer 22a, a second silicon oxide layer 23a, a first niobium oxide layer 24a, a third silicon oxide layer 25a, a second niobium oxide layer 26a, and a fourth silicon oxide layer 27a, and when the functional film 100 is formed by bonding to glass, the glass color observed at an incident angle of 0 degrees is blue, 45 degrees is green, and the glass color observed at 60 degrees has changed to purple. That is, in this embodiment, by forming the plating film layer 20 to include five layers of the first silicon oxide layer 21a, the metal indium layer 22a, the second silicon oxide layer 23a, the first niobium oxide layer 24a, the third silicon oxide layer 25a, the second niobium oxide layer 26a, and the fourth silicon oxide layer 27a, while forming any one of the intermediate layers of the first silicon oxide layer 21a, the metal indium layer 22a, the second silicon oxide layer 23a, the first niobium oxide layer 24a, the third silicon oxide layer 25a, the second niobium oxide layer 26a, and the fourth silicon oxide layer 27a to have a thickness greater than that of any other one, the color observed by the human eye in an angle of 0 to 60 ° is changed from blue to green, green to purple, that is, the functional film 100 realizes a change in green and purple.
In one possible embodiment, the coating layer 20 includes a 5-layer structure, and as shown in fig. 5, the 5-layer structure of the coating layer 20 is specifically: the first silicon oxide layer 21b, the first titanium pentoxide layer 22b, the second silicon oxide layer 23b, the second titanium pentoxide layer 24b and the third silicon oxide layer 25b are sequentially stacked, wherein the first silicon oxide layer 21b, the first titanium pentoxide layer 22b, the second silicon oxide layer 23b, the second titanium pentoxide layer 24b and the third silicon oxide layer 25b are sequentially stacked from bottom to top, and in this embodiment, specifically, as shown in fig. 5, the thickness of the second silicon oxide layer 23b is 210nm, the thickness of each of the first titanium pentoxide layer 22b and the second titanium pentoxide layer 24b is 70nm, the thickness of the second silicon oxide layer 23b is 3 times the thickness of the first titanium pentoxide layer 22b or the second titanium pentoxide layer 24b, at this time, the functional film 100 including the coating film layer 20 is attached to glass, and the glass color observed at an incident angle of 0 degree is observed to be green, and the glass color observed at an incident angle of 45 degrees to 60 degrees has changed to purple red.
In one possible embodiment, the coating layer 20 includes an 8-layer structure, from bottom to top, a first silicon dioxide layer, a first niobium pentoxide layer, a metal indium layer, a second silicon dioxide layer, a second niobium pentoxide layer, a third silicon dioxide layer, a third niobium pentoxide layer, and a fourth silicon dioxide layer, where the thicknesses of any one of the first silicon dioxide layer, the first niobium pentoxide layer, the metal indium layer, the second silicon dioxide layer, the second niobium pentoxide layer, the third silicon dioxide layer, the third niobium pentoxide layer, and the fourth silicon dioxide layer may be sequentially 100nm, 13nm, 11nm, 10nm, 75nm, 72nm, 48nm, and 60nm, and the total thickness of the coating layer 20 is 378nm, where in the structure, the thicknesses of any one of the first niobium pentoxide layer, the metal indium layer, the second silicon dioxide layer, the second niobium pentoxide layer, the third silicon dioxide layer, the third niobium pentoxide layer are greater than the thicknesses of any one of the first silicon dioxide layer, the fifth niobium pentoxide layer, the metal indium layer, the second silicon dioxide layer, the second niobium pentoxide layer, the third niobium oxide layer, the third niobium pentoxide layer, and the fourth silicon dioxide layer (for example, the thicknesses of any one of the thicknesses of the fifth niobium oxide layer, the third niobium oxide layer, and the fifth silicon dioxide layer are greater than the thicknesses of any one of the thicknesses of the layers of the third silicon dioxide layer, and the fifth silicon oxide layer, and the thickness of 10 nm). When the functional film sheet 100 including the coating layer 20 of this structure was attached to glass and observed, it was found by test that the human eye observed at an angle of 0 to 60 °, the observed color was blue at 0 °, and the observed color was purple at 45 ° to 60 °.
In one possible implementation manner, the substrate 30 is an opaque ink layer, that is, in this embodiment, the substrate 30 is used for preventing light from passing through, so that an ink layer is disposed on the coating layer 20, and the ink layer serves the purpose of preventing light from passing through, where the number of layers of the ink layer may be multiple, as shown in fig. 3, and the ink layer includes a first ink layer 31 and a second ink layer 32, where it is to be noted that, the number of layers of the ink layer may be specifically set according to practical applications, for example, may also be 4 layers or 6 layers.
In one possible embodiment, the thickness of the ink layers is between 20 and 30 μm, i.e. the total thickness of the individual ink layers is in the range of 20 to 30 μm, for example the total thickness of the ink layers may be 25 μm.
In one possible implementation, the substrate 10 is a PET film, that is, in this embodiment, the UV glue layer 40 is disposed on the PET film, then the micro-nano-scale groove texture is imprinted on the UV glue layer 40 by the texture grinding tool, then the coating film is formed on the groove texture, so as to form the coating film layer 20, and the ink layer is disposed on the coating film layer 20.
In one possible embodiment, the PET film thickness is 0.05mm.
Example two
Fig. 6 is a schematic structural diagram of a glass plate provided in the second embodiment of the present application, referring to fig. 6, a glass plate 200 provided in the present embodiment includes a glass substrate 201 and a functional film 100 in the first embodiment, wherein the functional film 100 is attached to one surface of the glass substrate 201, and a substrate 10 of the functional film 100 is located between a coating layer 20 of the functional film 100 and the glass substrate 201, that is, in the present embodiment, when the functional film 100 is attached to the glass substrate 201, the substrate 10 of the functional film 100 is specifically attached to the glass substrate 201, that is, one surface of the PET film is attached to the UV adhesive layer 40, and the other surface of the PET film is attached to the glass substrate 201.
In this embodiment, the functional film 100 and the glass substrate 201 may be attached by an optical adhesive (Optically CLEAR ADHESIVE, abbreviated as OCA) glue.
In this embodiment, the glass substrate 201 is specifically made of a commonly used glass material.
The experiment of the glass plate 200 provided in this embodiment shows that the reflection curve of the glass plate 200 shifts left (the spectrum color changes from the long-wave color to the short-wave color) along with the angle change (0 °,5 °, 30 °,45 °, 60 °, 75 °), and meanwhile, the curve morphology changes (the brightness and the saturation of the color change), the color change is not obvious within 30 degrees, and the color change from 45 degrees to 75 degrees is very large.
Specifically, in this embodiment, the functional film 100 including the coating layer 20 shown in fig. 2 and the glass substrate 200 formed by bonding the glass substrate 201 are observed at different angles, and the observation results are shown in fig. 4a-4 e: the observation angles are respectively normal products, i.e., angle of incidence 0 degree (as shown in fig. 4 a), angle of incidence 15 degrees, i.e., angle of incidence 15 degrees (as shown in fig. 4 b), angle of incidence 30 degrees, i.e., angle of incidence 30 degrees (as shown in fig. 4 c), angle of incidence 45 degrees, i.e., angle of incidence 45 degrees (as shown in fig. 4 d), angle of incidence 60 degrees, i.e., angle of incidence 60 degrees (as shown in fig. 4 e), observation finds that the observed color is blue as shown in fig. 4a at angle of incidence 0 degrees, angle of incidence 15 degrees, angle of incidence is dark blue as shown in fig. 4b, angle of incidence 30 degrees, angle of incidence is dark blue as shown in fig. 4e, angle of incidence 45 degrees is green as shown in fig. 4d, angle of incidence 60 degrees is purple as shown in fig. 4e, so in this embodiment, the observed color change is insignificant, with increasing angle, the color change is rapid, the 45 degrees may change to the critical color of color as shown in fig. 4a 0 degrees, the color as shown in fig. 60 degrees, the adjacent color is observed at an adjacent spectral change (at an adjacent spectral change) at an adjacent spectral change is even near-to 60,
In this embodiment, by selecting different coating layers 20, it is possible to realize a different color change, for example, the color observed at 0 degrees is green, 45 degrees to 60 degrees is purplish red, or 45 degrees becomes green to 60 degrees has become purple when 0 degrees is blue.
In this embodiment, it should be noted that fig. 4a-4e only show one color-changing effect, and in practical application, the color-changing effects of various colors can be matched by adjusting the thickness of each layer in the coating layer 20.
Therefore, the glass plate 200 provided in this embodiment, by bonding the functional film 100, allows the original transparent clean glass to be increased with the change of angle and texture beam shadows, thereby generating very rich, fine and infinite color-changing shadows, creating a new and richer shadow texture, large angle color change, layering, depth and transparency on the glass material, and greatly improving the competitiveness and attraction of the product.
Example III
Fig. 7 is a schematic diagram of a split structure of a terminal according to a third embodiment of the present application. The "terminal" provided in this embodiment may include a mobile phone, a tablet computer, a Personal digital assistant (Personal DIGITAL ASSISTANT, PDA), a Point of Sales (POS), a vehicle-mounted computer, and the like.
In this embodiment, taking a terminal as a mobile phone, as shown in fig. 7, specifically, the terminal 300 includes: the terminal body (not shown) and the glass plate 200 of the second embodiment, wherein the glass plate 200 is located on the outer surface of the terminal body, that is, in this embodiment, the glass plate 200 is made into the shell of the terminal 300, the screen cover plate and the bottom shell on the terminal 300 are replaced by the glass plate 200, as shown in fig. 7, the glass plate 200 of the second embodiment is comprehensively adopted as the main appearance material of the mobile phone, so that when the mobile phone is observed by human eyes at different angles, the outer surface of the mobile phone presents different colors, and the appearance light and the color of the mobile phone are richer, thereby greatly improving the appearance competitiveness of the product.
In this embodiment, when the glass plate 200 is disposed on the terminal body, specifically, the glass plate 200 includes an upper glass plate 200a and a lower glass plate 200b, where the upper glass plate 200a is disposed on one surface of the screen of the terminal body, and the lower glass plate 200a is disposed on the other surface of the terminal body facing away from the screen, as shown in fig. 7, the upper glass plate 200a and the lower glass plate 200b are respectively disposed on the front and rear sides of the middle frame main housing 301, so that the mobile phone body is disposed in a space enclosed by the upper glass plate 200a, the lower glass plate 200b and the middle frame main housing.
In this embodiment, it should be noted that, the middle frame main casing of the mobile phone may also adopt the glass plate 200 of the second embodiment, so that the whole casing of the mobile phone is the glass plate 200, and thus, the color-changing effect can appear in each direction of observing the mobile phone from different angles, so that the appearance of the mobile phone presents a richer and finer color-changing light-shadow effect, and the mobile phone is more glaring.
In addition to the above devices, when taking the terminal 300 as a mobile phone as an example, the terminal body provided in this embodiment specifically includes a Radio Frequency (RF) circuit, a memory, other input devices, a display screen, a sensor, an audio circuit, an I/O subsystem, a processor, a power supply, and other components.
It will be appreciated by those skilled in the art that the handset construction shown in fig. 7 is not limiting of the handset and may include more or fewer components than shown, or may combine certain components, or split certain components, or a different arrangement of components. Those skilled in the art will appreciate that the display belongs to a User Interface (UI) and that the terminal device may include fewer User interfaces than shown or otherwise.
Claims (22)
1. The functional membrane is characterized by comprising a base, a coating layer and a substrate which are sequentially overlapped, wherein the coating layer is positioned between the base and the substrate;
The coating layer comprises at least three layers, wherein the at least three layers of the coating layer are functional layers, two connecting layers are arranged outside the functional layers of the coating layer, the thicknesses of all layers in the at least three layers of the coating layer are uneven, and the thickness of any one layer in the middle of the at least three layers of the coating layer is larger than that of any other layer of the at least three layers of the coating layer, so that more than two areas with reflectivity slope larger than a threshold value are arranged in a reflection spectrum curve of the coating layer;
The thickness of any one layer in the middle of the at least three-layer structure is 2-3 times of the thickness of any other layer of the at least three-layer structure.
2. The functional film of claim 1, wherein the thickness of the middle thickest layer of the at least three layers is between 100 nm and 300nm.
3. The functional film according to any one of claims 1-2, wherein a glue layer is provided between the substrate and the coating layer, a surface of the glue layer facing the coating layer is provided with groove textures, and a surface of the coating layer is matched with the groove textures.
4. A functional membrane according to claim 3, wherein the groove texture is a micro-nano texture.
5. A functional membrane according to claim 3, wherein the cross-section of the groove texture is in the form of a relief.
6. A functional film according to claim 3, wherein the glue layer is an ultraviolet UV glue layer.
7. The functional film of claim 6, wherein the UV glue layer has a thickness of 13 μm.
8. The functional film according to any one of claims 1-2, wherein the thickness of the coating layer is between 250nm and 800nm.
9. The functional film according to any one of claims 1-2, wherein the coating layer comprises a 5-layer structure.
10. The functional film of claim 9, wherein the coating layer comprises a first silicon dioxide layer, a first titanium pentoxide layer, a second silicon dioxide layer, a second titanium pentoxide layer, and a third silicon dioxide layer, stacked in that order.
11. The functional film according to any one of claims 1-2, wherein the coating layer comprises a 7-layer structure.
12. The functional film of claim 11, wherein the coating layer comprises a first silicon oxide layer, a metallic indium layer, a second silicon oxide layer, a first niobium oxide layer, a third silicon oxide layer, a second niobium oxide layer, and a fourth silicon oxide layer, which are stacked in this order.
13. The functional film of claim 1, wherein the coating layer comprises an 8-layer structure.
14. The functional film of claim 13, wherein the coating layer comprises a first silicon dioxide layer, a first niobium pentoxide layer, a metallic indium layer, a second silicon dioxide layer, a second niobium pentoxide layer, a third silicon dioxide layer, a third niobium pentoxide layer, and a fourth silicon dioxide layer, which are sequentially stacked.
15. The functional film according to any one of claims 1-2, wherein the substrate is an opaque ink layer.
16. The functional film of claim 15, wherein the ink layers are multilayered.
17. The functional film of claim 16, wherein the ink layer has a thickness of 20-30 μm.
18. The functional film according to any one of claims 1-2, wherein the substrate is a polyethylene terephthalate PET film.
19. The functional film of claim 18, wherein the PET film has a thickness of 0.05mm.
20. A glass plate characterized by comprising a glass substrate and the functional membrane of any one of claims 1-19, wherein the functional membrane is arranged on one surface of the glass substrate, and the substrate of the functional membrane is positioned between the coating layer of the functional membrane and the glass substrate.
21. A terminal comprising at least a terminal body and the glass sheet of claim 20, wherein the glass sheet is located on an outer surface of the terminal body.
22. The terminal of claim 21, wherein the glass plates comprise an upper glass plate and a lower glass plate, wherein the upper glass plate cover is disposed on one side of the screen of the terminal body and the lower glass plate cover is disposed on the other side of the terminal body facing away from the screen.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810356596.7A CN110385898B (en) | 2018-04-19 | 2018-04-19 | Functional membrane, glass plate and terminal |
| CN201980026671.6A CN111989216B (en) | 2018-04-19 | 2019-04-19 | Functional membrane, glass plate and terminal |
| PCT/CN2019/083350 WO2019201325A1 (en) | 2018-04-19 | 2019-04-19 | Functional film, glass panel, and terminal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810356596.7A CN110385898B (en) | 2018-04-19 | 2018-04-19 | Functional membrane, glass plate and terminal |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110385898A CN110385898A (en) | 2019-10-29 |
| CN110385898B true CN110385898B (en) | 2024-06-04 |
Family
ID=68238810
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810356596.7A Active CN110385898B (en) | 2018-04-19 | 2018-04-19 | Functional membrane, glass plate and terminal |
| CN201980026671.6A Active CN111989216B (en) | 2018-04-19 | 2019-04-19 | Functional membrane, glass plate and terminal |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201980026671.6A Active CN111989216B (en) | 2018-04-19 | 2019-04-19 | Functional membrane, glass plate and terminal |
Country Status (2)
| Country | Link |
|---|---|
| CN (2) | CN110385898B (en) |
| WO (1) | WO2019201325A1 (en) |
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110385898B (en) * | 2018-04-19 | 2024-06-04 | 荣耀终端有限公司 | Functional membrane, glass plate and terminal |
| CN110933209A (en) * | 2019-12-20 | 2020-03-27 | Oppo广东移动通信有限公司 | Shell, manufacturing method thereof and electronic equipment |
| CN113132510B (en) * | 2019-12-31 | 2023-12-05 | Oppo广东移动通信有限公司 | Housing and electronic device |
| CN113132511B (en) * | 2019-12-31 | 2023-12-05 | Oppo广东移动通信有限公司 | Housing and electronic device |
| CN111263546B (en) * | 2020-01-21 | 2022-09-02 | Oppo广东移动通信有限公司 | Housing assembly and electronic device |
| CN113817987B (en) * | 2020-06-19 | 2023-04-18 | 华为技术有限公司 | Electronic equipment and processing method of rear cover of electronic equipment |
| CN111816808B (en) * | 2020-07-10 | 2022-08-05 | RealMe重庆移动通信有限公司 | Battery cover, shell assembly and electronic equipment |
| CN111885858B (en) * | 2020-07-15 | 2022-09-09 | Oppo广东移动通信有限公司 | Shell assembly, preparation method thereof and electronic equipment |
| CN114437642A (en) * | 2020-11-04 | 2022-05-06 | Oppo广东移动通信有限公司 | Composite membrane of electronic equipment, processing method, glass cover plate and electronic equipment |
| CN113844070A (en) * | 2021-09-14 | 2021-12-28 | 通达(石狮)科技有限公司 | Production process of double-line double-plating composite board mobile phone rear cover |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19607611C1 (en) * | 1996-02-29 | 1997-10-02 | Sekurit Saint Gobain Deutsch | Highly resilient coating system for glass panes and use of a glass pane coated with the layer system |
| CN206264500U (en) * | 2016-10-17 | 2017-06-20 | 蓝思科技（长沙）有限公司 | A kind of thin slice with the micro- glare effect of brown |
| CN208760128U (en) * | 2018-04-19 | 2019-04-19 | 华为技术有限公司 | Function diaphragm, glass plate and terminal |
| CN111989216A (en) * | 2018-04-19 | 2020-11-24 | 华为技术有限公司 | Functional membrane, glass plate and terminal |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010192520A (en) * | 2009-02-16 | 2010-09-02 | Elpida Memory Inc | Method for manufacturing semiconductor device |
| US20130083500A1 (en) * | 2011-09-30 | 2013-04-04 | Christopher D. Prest | Interferometric color marking |
| EP3561580A1 (en) * | 2011-10-31 | 2019-10-30 | Hoya Corporation | Eyeglass lens |
| CN104441838A (en) * | 2014-12-09 | 2015-03-25 | 广东欧珀移动通信有限公司 | Diaphragm, glass and mobile terminal with diaphragm |
| CN205382093U (en) * | 2015-12-11 | 2016-07-13 | 天津南玻节能玻璃有限公司 | Angle transformation dazzles various glass |
| CN106990808B (en) * | 2016-01-20 | 2023-10-24 | 宸鸿科技(厦门)有限公司 | Protective cover plate and manufacturing method thereof |
| CN206106700U (en) * | 2016-10-17 | 2017-04-19 | 蓝思科技（长沙）有限公司 | Thin slice with light efficiency fruit is dazzled a little to gold |
| CN206911687U (en) * | 2017-05-02 | 2018-01-23 | 比亚迪股份有限公司 | Glass decoration film, ambetti and electronic product |
-
2018
- 2018-04-19 CN CN201810356596.7A patent/CN110385898B/en active Active
-
2019
- 2019-04-19 WO PCT/CN2019/083350 patent/WO2019201325A1/en active Application Filing
- 2019-04-19 CN CN201980026671.6A patent/CN111989216B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19607611C1 (en) * | 1996-02-29 | 1997-10-02 | Sekurit Saint Gobain Deutsch | Highly resilient coating system for glass panes and use of a glass pane coated with the layer system |
| CN206264500U (en) * | 2016-10-17 | 2017-06-20 | 蓝思科技（长沙）有限公司 | A kind of thin slice with the micro- glare effect of brown |
| CN208760128U (en) * | 2018-04-19 | 2019-04-19 | 华为技术有限公司 | Function diaphragm, glass plate and terminal |
| CN111989216A (en) * | 2018-04-19 | 2020-11-24 | 华为技术有限公司 | Functional membrane, glass plate and terminal |
Also Published As
| Publication number | Publication date |
|---|---|
| CN111989216A (en) | 2020-11-24 |
| CN110385898A (en) | 2019-10-29 |
| CN111989216B (en) | 2021-12-07 |
| WO2019201325A1 (en) | 2019-10-24 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110385898B (en) | Functional membrane, glass plate and terminal | |
| CN100452113C (en) | Protection panel for electronic apparatus display window and production method for protection panel | |
| KR102337058B1 (en) | Electronic devices with adjustable decoration | |
| CN108263141A (en) | Plank and preparation method thereof, housing, electronic equipment | |
| DE112018003912T5 (en) | PATTERNED GLASS LAYERS IN ELECTRONIC DEVICES | |
| US20220365256A1 (en) | Textured Glass Layers in Electronic Devices | |
| CN110838262B (en) | Cover plate assembly, preparation method of cover plate assembly and electronic equipment | |
| CN111757808B (en) | Decorative member and method for producing same | |
| WO2010150615A1 (en) | Display device and multilayer substrate | |
| KR102211547B1 (en) | Coatings for transparent substrates in electronic devices | |
| CN213338265U (en) | Diaphragm, shell and electronic equipment | |
| US20100208333A1 (en) | Display-protective plate for electronic apparatus and electronic apparatus therewith | |
| CN104602909A (en) | Metal structure and method for manufacturing same | |
| CN108382043A (en) | Plank and preparation method thereof, shell, electronic equipment | |
| CN113132510B (en) | Housing and electronic device | |
| CN107182175B (en) | Display device and integrated display cover plate thereof | |
| CN106033283A (en) | Display screen, terminal and display screen making method | |
| CN208760128U (en) | Function diaphragm, glass plate and terminal | |
| CN111723766A (en) | Display module, preparation method thereof and display terminal | |
| JP2008039960A (en) | Laminated film | |
| CN111263546B (en) | Housing assembly and electronic device | |
| US11739425B2 (en) | Electronic device coatings for reflecting mid-spectrum visible light | |
| CN113132511B (en) | Housing and electronic device | |
| CN111683484B (en) | Colored substrate, manufacturing method thereof and shell of electronic equipment | |
| CN113794027B (en) | Battery cover and electronic equipment |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| TA01 | Transfer of patent application right | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20210425 Address after: Unit 3401, unit a, building 6, Shenye Zhongcheng, No. 8089, Hongli West Road, Donghai community, Xiangmihu street, Futian District, Shenzhen, Guangdong 518040 Applicant after: Honor Device Co.,Ltd. Address before: 518129 Bantian HUAWEI headquarters office building, Longgang District, Guangdong, Shenzhen Applicant before: HUAWEI TECHNOLOGIES Co.,Ltd. |
|
| GR01 | Patent grant | ||
| GR01 | Patent grant |