CN106886064A - A kind of sapphire glass cover plate and the full laminating display using the cover plate - Google Patents
A kind of sapphire glass cover plate and the full laminating display using the cover plate Download PDFInfo
- Publication number
- CN106886064A CN106886064A CN201510926103.5A CN201510926103A CN106886064A CN 106886064 A CN106886064 A CN 106886064A CN 201510926103 A CN201510926103 A CN 201510926103A CN 106886064 A CN106886064 A CN 106886064A
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- layer
- cover plate
- sapphire glass
- glass cover
- index layer
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B1/00—Optical elements characterised by the material of which they are made; Optical coatings for optical elements
- G02B1/10—Optical coatings produced by application to, or surface treatment of, optical elements
- G02B1/11—Anti-reflection coatings
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B1/00—Optical elements characterised by the material of which they are made; Optical coatings for optical elements
- G02B1/10—Optical coatings produced by application to, or surface treatment of, optical elements
- G02B1/11—Anti-reflection coatings
- G02B1/118—Anti-reflection coatings having sub-optical wavelength surface structures designed to provide an enhanced transmittance, e.g. moth-eye structures
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Surface Treatment Of Optical Elements (AREA)
- Laminated Bodies (AREA)
Abstract
The present invention relates to a kind of sapphire glass cover plate and using its as protective glass cover plate full laminating display, sapphire glass cover plate includes the film plating layer of sapphire glass base material and plating on the sapphire glass base material；Film plating layer is included along the low-index layer and high refractive index layer of the alternately laminated setting of its thickness direction；It is low-index layer near one layer of sapphire glass base material.Sapphire glass cover plate of the invention and its display of fitting entirely, inventor is surprised to find that, when the side plated surface fitted with optical cement layer in sapphire glass cover plate is provided with the film plating layer of ad hoc structure, the reflectance reduction of sapphire glass cover plate and the interface of optical cement layer can be caused, reflectivity especially for the incident light of 420nm~680nm wave bands is substantially reduced, improve the contrast of display, contrast particularly in the case of outdoor or high light, improves the outdoor readable of display.
Description
Technical field
It is more particularly to a kind of to be applied to display of fitting entirely the present invention relates to a kind of sapphire glass cover plate
Sapphire glass cover plate, and shown as the full laminating of protective glass cover plate using the sapphire glass cover plate
Show device.
Background technology
In general, sapphire glass cover plate refractive index is about 1.76-1.77, when sapphire glass cover plate
When being applied to full attaching type display, sapphire glass cover plate is fitted completely by optical cement with display screen；
However, after sapphire glass cover plate and optics glue laminating, between sapphire glass cover plate and optical cement
Contact surface reflectivity is up to 0.73%, and the open air that reflectivity so high can greatly reduce smart machine can
The property read, outdoor contrast is substantially reduced.Not yet someone optimizes design for this situation so far.
The content of the invention
In view of the above mentioned problem and/or other problemses of correlation technique, one aspect of the present invention is there is provided a kind of application
In the sapphire glass cover plate of full laminating display, the sapphire glass cover plate includes sapphire glass base
The film plating layer of material and plating on the sapphire glass base material；The film plating layer is included along its thickness side
To the low-index layer and high refractive index layer of alternately laminated setting；Near the sapphire glass base material
One layer is low-index layer；Total number of plies of the low-index layer and high refractive index layer is 2n or 2n+1 layers,
Wherein n is the integer less than or equal to 5 more than or equal to 1；The refractive index of the low-index layer is 1.5~1.6；
The refractive index of the high refractive index layer is 1.75~2.3.
Preferably, the material of the low-index layer is selected from Al2O3、LaF3、YbF3In any one
Or several compositions.
Preferably, the material of the low-index layer is selected from Al2O3。
Preferably, the material of the high refractive index layer is selected from Nd2O3、SiN、ZrO2、TiO2In it is any
The composition of one or more.
Preferably, the thickness of the low-index layer near sapphire glass base material is 20~40nm.
Preferably, the thickness of the high refractive index layer is 5~30nm, except described near sapphire glass
The thickness of other low-index layers beyond the low-index layer of glass base material is 70~120nm.
Another aspect of the present invention additionally provides a kind of full laminating display, and the display includes display screen, protects
Shield glass cover-plate and optical cement layer, wherein, the protective glass cover plate uses above-mentioned sapphire glass lid
Plate, the optical cement layer is covered on the film plating layer of the protective glass cover plate, the protective glass lid
Plate is fitted completely by the optical cement layer with the display screen.
Preferably, the display screen is organic light-emitting diode (OLED) display screen.
Sapphire glass cover plate of the invention, is provided with specific in its side plated surface fitted with optical cement layer
The film plating layer of structure, so that the reflectance reduction at sapphire glass cover plate and optical cement layer interface, especially
It is substantially reduced for the reflectivity of the incident light of 420nm~680nm wave bands, improves display
Contrast in the case of contrast, particularly outdoor or high light, improves the outdoor readable of display.
Brief description of the drawings
Fig. 1 is cuing open for sapphire glass cover plate (after the optical cement layer of having fitted) of embodiments of the invention 1
Depending on schematic diagram；
Fig. 2 is the optical analog knot of the sapphire glass cover plate (after optical cement layer of having fitted) of embodiment 1
Really, wherein transverse axis is wavelength (nm), and the longitudinal axis is reflectivity (%).
Specific embodiment
Example embodiment is described more fully with referring now to accompanying drawing.However, example embodiment energy
It is enough to implement in a variety of forms, and it is not understood as limited to implementation method set forth herein；Conversely, carrying
Cause the present invention fully and completely and the design of example embodiment is comprehensive for these implementation methods
Convey to those skilled in the art.Identical reference represents same or similar knot in figure
Structure, thus repetition thereof will be omitted.
Described feature, structure or characteristic can be combined one or more in any suitable manner
In implementation method.In the following description, there is provided many details are so as to be given to reality of the invention
Apply fully understanding for mode.However, one of ordinary skill in the art would recognize that, in there is no a specific detail
It is one or more, or using other methods, constituent element, material etc., it is also possible to put into practice of the invention
Technical scheme.In some cases, be not shown in detail or describe known features, material or operation with
Avoid the fuzzy present invention.
It is specifically described herein " be formed at/be located at// plating be located at/cover in ... on (it) " should be understood
Be include directly contact " be formed at/be located at// plating be located at/cover in ... on (it) " it is and not direct
Contact " be formed at/be located at// plate be located at/cover in ... on (it) ".
Accompanying drawing of the invention is only used for illustrating relative position relation and electrical connection, the layer at some positions
Thickness employs the plotting mode lavished praise on oneself in order to understand, the thickness in accompanying drawing does not represent actual thickness
Proportionate relationship.
Embodiment 1
It is the sapphire glass cover plate (after optical cement layer of having fitted) of the embodiment of the present invention 1 referring to Fig. 1
Schematic cross-sectional view, the sapphire glass cover plate include sapphire glass base material 10 and plating be located at sapphire
Film plating layer 20 on glass baseplate 10.
In the present embodiment, referring to Fig. 1, optical cement layer 30 is covered on film plating layer 20.
Film plating layer 20 is included along the low-index layer and high refractive index layer of the alternately laminated setting of its thickness direction；
It is low-index layer near one layer of sapphire glass base material 10；Low-index layer and high refractive index layer
Total number of plies is 2n or 2n+1 layers, and wherein n is the integer less than or equal to 5 more than or equal to 1；Low refraction
The refractive index of rate layer is 1.5~1.6；The refractive index of high refractive index layer is 1.75~2.3.
In a preferred embodiment of the invention, the material of low-index layer is selected from Al2O3、LaF3、
YbF3In any one or a few composition.It is furthermore preferred that the material of low-index layer is Al2O3。
In a preferred embodiment of the invention, the material of high refractive index layer is selected from Nd2O3、SiN、
ZrO2、TiO2In any one or a few composition.
In the present embodiment, film plating layer 20 includes 3 layers (2n+1, and n=1), wherein, near
One layer of sapphire glass base material 10 is low-index layer 21, and its material uses Al2O3, refractive index is about
1.54, and the thickness of this layer is 25nm；Middle one layer is high refractive index layer 22, and its material uses Nd2O3,
Refractive index is about 1.79, and the thickness of this layer is 24nm；One layer of outermost is low-index layer 23, its material
Material uses Al2O3, refractive index is about 1.54, and the thickness of this layer is 96nm.
Each layer of film plating layer 20 can be formed by way of electron beam evaporation plating, specifically, being using acceleration
Electron bombardment Coating Materials, the kinetic energy of electronics is converted into heat energy makes Coating Materials heating evaporation, and film forming.
Hot cathode, electronics acceleration pole and Coating Materials group as anode of the electron beam evaporation source by launching electronics
Into, its evaporation source energy can high concentration, Coating Materials is locally reached a high temperature and is evaporated.By adjusting
The power of economize on electricity beamlet, can easily control the evaporation rate of Coating Materials.
Embodiment 2
With embodiment 1, difference is the basic structure of the sapphire glass cover plate of embodiment 2：Plating
The material and thickness that each layer of film layer 20 is used are different, specific as follows：
In example 2, film plating layer 20 includes 3 layers (2n+1, and n=1), wherein, near
One layer of sapphire glass base material 10 is low-index layer 21, and its material uses Al2O3, refractive index is about
1.54, and the thickness of this layer is 29nm；Middle one layer is high refractive index layer 22, and its material uses SiN,
Refractive index is about 2.1, and the thickness of this layer is 10nm；One layer of outermost is low-index layer 23, its material
Using Al2O3, refractive index is about 1.54, and the thickness of this layer is 94nm.
Embodiment 3
With embodiment 1, difference is the basic structure of the sapphire glass cover plate of embodiment 3：Plating
The material and thickness that each layer of film layer 20 is used are different, specific as follows：
In embodiment 3, film plating layer 20 includes 3 layers (2n+1, and n=1), wherein, near
One layer of sapphire glass base material 10 is low-index layer 21, and its material uses Al2O3, refractive index is about
1.54, and the thickness of this layer is 29nm；Middle one layer is high refractive index layer 22, and its material uses ZrO2,
Refractive index is about 1.97, and the thickness of this layer is 12nm；One layer of outermost is low-index layer 23, its material
Material uses Al2O3, refractive index is about 1.54, and the thickness of this layer is 92nm.
Sapphire glass cover plate of the invention can apply to display of fitting entirely.
In general, full laminating display includes display screen, protective glass cover plate and optical cement layer, protection
Glass cover-plate can use sapphire glass cover plate of the invention, and the protective glass cover plate is by being covered in plating
Optical cement layer 30 on film layer 20 is fitted completely with display screen.
The display screen of the full laminating display can be organic light-emitting diode (OLED) display screen.
When sapphire glass cover plate of the invention is applied to fit full display, inventor it was unexpectedly observed that
When the side plated surface fitted with optical cement layer at it is provided with the film plating layer of ad hoc structure, can make its with
The reflectance reduction at the interface of optical cement layer 30, especially for the incident light of 420nm~680nm wave bands
Reflectivity substantially reduce, improve the contrast of display, it is particularly right in the case of outdoor or high light
Than degree, improve the outdoor readable of display.
The sapphire glass cover plate (after optical cement layer of having fitted) of embodiment 1, by TFcal optical modes
Intending software carries out plating membrane simulation, and sapphire glass cover plate is joined with the reflectance curve at the interface of optical cement layer 30
Fig. 2, from figure 2 it can be seen that the interface is average anti-for the incident light of 420nm~680nm wave bands
The rate of penetrating is about 0.009%；Therefore, it can greatly improve the display contrast in the case of outdoor or high light
Degree, improves the outdoor readable of display.
In addition, the sapphire glass cover plate of embodiment 2 and 3, its reflectivity with the interface of optical cement layer
Also it is very low, it is about 0.0117% for the average reflectance of the incident light of 420nm~680nm wave bands.
It should be understood that, although the present specification is described in terms of embodiments, but not each implementation method
An independent technical scheme is only included, this narrating mode of specification is only for clarity, originally
Art personnel should be using specification an as entirety, and the technical scheme in each implementation method can also
Through appropriately combined, formed it will be appreciated by those skilled in the art that other embodiment.
The a series of detailed description of those listed above is only for feasibility implementation method of the invention
Illustrate, they simultaneously are not used to limit the scope of the invention, it is all without departing from skill of the present invention essence
The equivalent implementations or change that god is made should be included within the scope of the present invention.
Claims (8)
1. a kind of sapphire glass cover plate, it is characterised in that：
The sapphire glass cover plate includes that sapphire glass base material and plating are located at the sapphire glass base material
On film plating layer；
The film plating layer is included along the low-index layer and high index of refraction of the alternately laminated setting of its thickness direction
Layer；It is low-index layer near one layer of the sapphire glass base material；The low-index layer and height
Total number of plies of index layer be 2n or 2n+1 layers, wherein n be more than or equal to 1, it is whole less than or equal to 5
Number；
The refractive index of the low-index layer is 1.5~1.6；The refractive index of the high refractive index layer is
1.75~2.3.
2. sapphire glass cover plate as claimed in claim 1, it is characterised in that：
The material of the low-index layer is selected from Al2O3、LaF3、YbF3In any one or a few
Composition.
3. sapphire glass cover plate as claimed in claim 2, it is characterised in that：The low-index layer
Material be selected from Al2O3。
4. sapphire glass cover plate as claimed in claim 1, it is characterised in that：
The material of the high refractive index layer is selected from Nd2O3、SiN、ZrO2、TiO2In any one or it is several
The composition planted.
5. the sapphire glass cover plate as described in any one in Claims 1-4, it is characterised in that：
The thickness of the low-index layer near sapphire glass base material is 20~40nm.
6. sapphire glass cover plate as claimed in claim 5, it is characterised in that：The high refractive index layer
Thickness be 5~30nm, its in addition to the low-index layer near sapphire glass base material
The thickness of his low-index layer is 70~120nm.
7. a kind of full laminating display, it is characterised in that the display includes display screen, protective glass lid
Plate and optical cement layer；
Wherein, the protective glass cover plate is precious using the indigo plant as described in any one in claim 1 to 6
Stone glass cover-plate, the optical cement layer is covered on the film plating layer of the protective glass cover plate, the guarantor
Shield glass cover-plate is fitted completely by the optical cement layer with the display screen.
8. laminating display as claimed in claim 7 complete, it is characterised in that the display screen is organic
Light emitting diode (LED) display screen.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510926103.5A CN106886064A (en) | 2015-12-14 | 2015-12-14 | A kind of sapphire glass cover plate and the full laminating display using the cover plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510926103.5A CN106886064A (en) | 2015-12-14 | 2015-12-14 | A kind of sapphire glass cover plate and the full laminating display using the cover plate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106886064A true CN106886064A (en) | 2017-06-23 |
Family
ID=59174924
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510926103.5A Pending CN106886064A (en) | 2015-12-14 | 2015-12-14 | A kind of sapphire glass cover plate and the full laminating display using the cover plate |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106886064A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109064906A (en) * | 2018-09-30 | 2018-12-21 | 维沃移动通信有限公司 | A kind of euphotic cover plate and mobile terminal |
| CN113862611A (en) * | 2021-09-30 | 2021-12-31 | 台州星星光电科技有限公司 | Strong-alkali-resistant sapphire glass panel surface coating method |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203930098U (en) * | 2013-12-27 | 2014-11-05 | 贵州蓝科睿思技术研发中心 | A kind of sapphire coated cover-plate |
| CN104599594A (en) * | 2014-12-30 | 2015-05-06 | 友达光电股份有限公司 | Display module with reinforced design |
| US20150322270A1 (en) * | 2014-05-12 | 2015-11-12 | Corning Incorporated | Durable anti-reflective articles |
-
2015
- 2015-12-14 CN CN201510926103.5A patent/CN106886064A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203930098U (en) * | 2013-12-27 | 2014-11-05 | 贵州蓝科睿思技术研发中心 | A kind of sapphire coated cover-plate |
| US20150322270A1 (en) * | 2014-05-12 | 2015-11-12 | Corning Incorporated | Durable anti-reflective articles |
| CN104599594A (en) * | 2014-12-30 | 2015-05-06 | 友达光电股份有限公司 | Display module with reinforced design |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109064906A (en) * | 2018-09-30 | 2018-12-21 | 维沃移动通信有限公司 | A kind of euphotic cover plate and mobile terminal |
| CN113862611A (en) * | 2021-09-30 | 2021-12-31 | 台州星星光电科技有限公司 | Strong-alkali-resistant sapphire glass panel surface coating method |
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| PB01 | Publication | ||
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| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170623 |
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| RJ01 | Rejection of invention patent application after publication |