CN207630646U - A kind of electronic product cover board with colour stability - Google Patents
A kind of electronic product cover board with colour stability Download PDFInfo
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- CN207630646U CN207630646U CN201721771803.2U CN201721771803U CN207630646U CN 207630646 U CN207630646 U CN 207630646U CN 201721771803 U CN201721771803 U CN 201721771803U CN 207630646 U CN207630646 U CN 207630646U
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- optical film
- film layer
- refractive index
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Abstract
The utility model discloses a kind of electronic product cover boards with colour stability, including substrate, media coating and the colour stable layer being cascading；The media coating is covered on the surface of the substrate direction observation side, the media coating includes at least one layer of high refractive index optical film layer and at least one layer of low-refraction optical film layer, the high refractive index optical film layer and the alternately laminated setting of low-refraction optical film layer；The material of the colour stable layer is transparent, and refractive index is 1.38 1.7, and the thickness of the colour stable layer is more than 0.5 μm.The utility model is transparent material by the way that material is arranged on media coating; refractive index is 1.38 1.7 and colour stable layer of the thickness more than 0.5 μm; weaken or eliminate the variation that the interference effect that dirty, fingerprint and optical medium film generate generates media coating color; improve the colour stability of cover board, while media coating can be played a certain protective role.
Description
Technical field
The utility model is related to technical field of electronic accessories, are produced more particularly to a kind of electronics with colour stability
Product cover board.
Background technology
As the improvement of people's living standards, the electronic products such as mobile phone, tablet computer, camera, laptop are
It is gradually universal, become the essential articles for daily use of people.In recent years, consumer was not only more next to the requirement of electronic product performance
It is higher, while the requirement to its comfort level and appearance is also being continuously improved.Therefore, each producer is in order to win public eyeball, obtain
The favor for obtaining consumer, is constantly improved with regard to the appearance of electronic product, as " face " engineering of electronic product, cover board exists
Wherein play the part of special identity.
There is unification in consumer electronics product cover board currently on the market, in order to break through homogeneous deadlock, Ge great Pin
Board manufacturer produces the cover board of colorful effect using different technique, has been a kind of heavy of mobile phone terminal manufacturer attraction consumer
Want means.The basic structure of this cover board include substrate and be coated on substrate by high refractive index layer and low-refraction
The brightness of the alternately laminated media coating rearranged of film layer, this cover board is high, bright in luster, deep to be appreciated by masses.However
It is coated with media coating on one side surface of substrate direction observation and there are easy and fingerprint, dirty generation optical interference effects, to make
The problem that media coating color changes, causes cover board color unstable.
Utility model content
In order to make up the defect of prior art, the utility model provides a kind of electronic product lid with colour stability
Plate.
Technical problem to be solved in the utility model is achieved by the following technical programs：
A kind of electronic product cover board with colour stability, including the substrate, media coating and the face that are cascading
Colour-stable layer；The media coating is covered in the substrate towards observing on the surface of side, and the media coating includes at least
One floor height refractive optical film layer and at least one layer of low-refraction optical film layer, the high refractive index optical film layer and low refraction
The alternately laminated setting of rate optical film layer；The material of the colour stable layer is transparent, refractive index 1.38-1.7, the color
The thickness of stabilized zone is more than 0.5 μm.
Further, the material of the high refractive index optical film layer is selected from titanium dioxide, tantalum pentoxide, five oxidations two
One or more of niobium, zinc sulphide and zirconium dioxide.
Further, the material of the low-refraction optical film layer is in silicon monoxide, silica and magnesium fluoride
It is one or more of.
Further, the thickness of each floor height refractive optical film layer is less than 200nm.
Further, the thickness of each layer of low-refraction optical film layer is less than 200nm.
Further, the material of the colour stable layer is silicate.
Further, the material of the substrate is transparent, the refractive index of the refractive index and substrate of the colour stable layer
Between difference be no more than 0.5.
The utility model has the advantages that：
The utility model is transparent material, refractive index 1.38-1.7 and thickness by the way that material is arranged on media coating
Colour stable layer more than 0.5 μm weakens or eliminates the interference effect of dirty, fingerprint and optical medium film generation to media coating
The variation that color generates, improves the colour stability of cover board, while can be played a certain protective role to media coating.
Description of the drawings
Fig. 1 is the structural schematic diagram of the utility model.
In figure：1, substrate, 2, media coating, 3, colour stable layer, 4, high refractive index optical film layer, 5, low-refraction optics
Film layer.
Specific implementation mode
The utility model is described in detail with reference to embodiment, embodiment is only the preferred reality of the utility model
Mode is applied, is not the restriction to the utility model.
Refering to fig. 1, a kind of electronic product cover board with colour stability, including the substrate, the medium that are cascading
Film layer and colour stable layer.
The substrate can be glass substrate, plastic substrate or metal substrate, it is to be understood that can also be other
The substrate of type, in scope of protection of the utility model.Preferably, substrate uses high rigidity substrate, and cover board hardness can be improved.
The surface of the substrate can be shiny surface, can also be rough surface, as rough surface, can be exemplified as frosted
Face.
The media coating is covered in the substrate towards observing on the surface of side, and the media coating includes at least one
Floor height refractive optical film layer and at least one layer of low-refraction optical film layer, the high refractive index optical film layer and low-refraction
The alternately laminated setting of optical film layer；
The refractive index of the high refractive index optical film layer is 1.8 or more, as an example, the high refractive index optical film layer
Material can be selected from one or more of titanium dioxide, tantalum pentoxide, niobium pentaoxide, zinc sulphide and zirconium dioxide.
Certainly, it should be apparent to a person skilled in the art that the material of the high refractive index optical film layer is not limited thereto, can also select
It is more than 1.8 inorganic matter with other refractive index.
The refractive index of the low-refraction optical film layer 1.7 hereinafter, as an example, the low-refraction optical film layer
Material be selected from one or more of silicon monoxide, silica and magnesium fluoride.Certainly, those skilled in the art should be bright
In vain, the material of the low-refraction optical film layer is not limited thereto, and other refractive index can also be selected inorganic less than 1.7
Object.
It is preferred that the material of the high refractive index optical film layer is titanium dioxide, while the material of the low-refraction optical film layer
Material is silica；It is highly preferred that the material of the high refractive index optical film layer is niobium pentaoxide, while the low-refraction
The material of optical film layer is silica
The number of plies of the high refractive index optical film layer and low-refraction optical film layer may be greater than arbitrary equal to one layer
The number of plies, the specific number of plies is related to the visual effect that need to reach, and can rationally design high refractive index optical film layer according to actual demand
With the quantity of low-refraction optical film layer, while both to meet and to be alternately stacked.
The thickness of each floor height refractive optical film layer is less than 200nm, it is preferable that each floor height refractive optical film layer
Thickness is 50-70nm.
The thickness of each layer of low-refraction optical film layer is less than 200nm, it is preferable that each layer of low-refraction optical film layer
Thickness is 90-110nm.
Those skilled in the art can be according to the folding of the refractive index and low-refraction optical film layer of high refractive index optical film layer
The thickness for penetrating rate design high refractive index optical film layer and low-refraction optical film layer, enhances the reflectivity of the light of specific wavelength, with
The sense organ of the visually color of the light of specific wavelength is brought to user.
The media coating may be used the methods of vapor deposition, sputtering and be formed, these methods have been those skilled in the art institute
Known, details are not described herein.
The material of the colour stable layer is transparent, refractive index 1.38-1.7, and the thickness of the colour stable layer is big
In 0.5 μm.As an example, the material of the colour stable layer is silicate, but not limited to this.
Preferably, the material of the substrate is transparent, the refractive index of the colour stable layer and the refractive index phase of substrate
Closely, it is preferable that differed between the refractive index of the colour stable layer and the refractive index of substrate and be no more than 0.5, it is highly preferred that difference
No more than 0.2.
The colour stable layer can be that vapor deposition or sputtering are formed, and can also be that roller coating, spraying, spin coating are formed, can also
It is silk-screen, bat printing, transfer formation, these methods are known to those skilled in the art, and details are not described herein.
The utility model is transparent material, refractive index 1.38-1.7 and thickness by the way that material is arranged on media coating
Colour stable layer more than 0.5 μm weakens or eliminates the interference effect of dirty, fingerprint and optical medium film generation to media coating
The variation that color generates, improves the colour stability of cover board.
The cover board of the utility model can be mobile phone, PDA, MP3, MP4, Personal Handyphone System, palm PC, laptop, number
The cover board of the electronic products such as code camera, video camera, household electrical appliance, remote controler.
The embodiment of the utility model above described embodiment only expresses, the description thereof is more specific and detailed, but simultaneously
Cannot it therefore be interpreted as the limitation to the utility model patent range, as long as using the form institute of equivalent substitution or equivalent transformation
The technical solution of acquisition, shall fall within the scope of the present invention.
Claims (7)
1. a kind of electronic product cover board with colour stability, which is characterized in that it includes the substrate being cascading, is situated between
Plasma membrane layer and colour stable layer；The media coating is covered on the surface of the substrate direction observation side, the deielectric-coating
Layer includes at least one layer of high refractive index optical film layer and at least one layer of low-refraction optical film layer, the high refractive index optical film
Layer and the alternately laminated setting of low-refraction optical film layer；The material of the colour stable layer is transparent, refractive index 1.38-
1.7, the thickness of the colour stable layer is more than 0.5 μm.
2. electronic product cover board as described in claim 1, which is characterized in that the material of the high refractive index optical film layer is selected from
One kind in titanium dioxide, tantalum pentoxide, niobium pentaoxide, zinc sulphide and zirconium dioxide.
3. electronic product cover board as described in claim 1, which is characterized in that the material of the low-refraction optical film layer is selected from
One kind in silicon monoxide, silica and magnesium fluoride.
4. electronic product cover board as described in claim 1, which is characterized in that the thickness of each floor height refractive optical film layer is small
In 200nm.
5. electronic product cover board as described in claim 1, which is characterized in that the thickness of each layer of low-refraction optical film layer is small
In 200nm.
6. electronic product cover board as described in claim 1, which is characterized in that the material of the colour stable layer is silicate.
7. electronic product cover board as described in claim 1, which is characterized in that the material of the substrate is transparent, the face
It is differed between the refractive index of colour-stable layer and the refractive index of substrate and is no more than 0.5.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721771803.2U CN207630646U (en) | 2017-12-18 | 2017-12-18 | A kind of electronic product cover board with colour stability |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721771803.2U CN207630646U (en) | 2017-12-18 | 2017-12-18 | A kind of electronic product cover board with colour stability |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207630646U true CN207630646U (en) | 2018-07-20 |
Family
ID=62863929
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721771803.2U Active CN207630646U (en) | 2017-12-18 | 2017-12-18 | A kind of electronic product cover board with colour stability |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207630646U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112543563A (en) * | 2020-11-27 | 2021-03-23 | 深圳市沃阳精密科技有限公司 | Middle frame of electronic product, manufacturing method of middle frame, shell of electronic product and electronic product |
| CN115079461A (en) * | 2021-03-12 | 2022-09-20 | 瀚宇彩晶股份有限公司 | Total reflection display panel and manufacturing method thereof |
-
2017
- 2017-12-18 CN CN201721771803.2U patent/CN207630646U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112543563A (en) * | 2020-11-27 | 2021-03-23 | 深圳市沃阳精密科技有限公司 | Middle frame of electronic product, manufacturing method of middle frame, shell of electronic product and electronic product |
| CN112543563B (en) * | 2020-11-27 | 2022-06-21 | 深圳市沃阳精密科技有限公司 | Middle frame of electronic product, manufacturing method of middle frame, shell of electronic product and electronic product |
| CN115079461A (en) * | 2021-03-12 | 2022-09-20 | 瀚宇彩晶股份有限公司 | Total reflection display panel and manufacturing method thereof |
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