CN207468489U - The silvery white looking glass of light splitting and display device - Google Patents
The silvery white looking glass of light splitting and display device Download PDFInfo
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- CN207468489U CN207468489U CN201721254843.XU CN201721254843U CN207468489U CN 207468489 U CN207468489 U CN 207468489U CN 201721254843 U CN201721254843 U CN 201721254843U CN 207468489 U CN207468489 U CN 207468489U
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Abstract
The utility model belongs to glass technology field, more particularly to a kind of silvery white looking glass of light splitting and display device, the silvery white looking glass of light splitting includes transparent glass substrate, sequentially lamination is provided with the first high refractive index layer, the first low-index film, the second high refractive index layer, the second low-index film and the third high refractive index layer for the optical medium film to form translucent half reflection in the transparent glass substrate, and the outer film surface of the optical medium film is silvery white in color.The light splitting silvery white looking glass of the utility model, it can be applied to other large scales and shows touch device, it again can be with transmitted light while traditional rear-view mirror using effect is met, cooperation shows that touch device uses, it has both beautiful and practical, expand the application field of touch screen, functional diversities greatly increase its added value.
Description
Technical field
The utility model belongs to glass technology field more particularly to a kind of silvery white looking glass of light splitting and display device.
Background technology
With the development of the society, the arrival in mobile Internet epoch, the application of touch screen starts to become ubiquitous.In vapour
Touch-screen applications have been arrived inside-automobile rear mirror by vehicle field, people.However, traditional inside-automobile rear mirror is lighttight for one piece
Common metal two-way mirror can not be bonded use with display touch device, cause function that can not realize diversity, can not increase
Its added value..
Utility model content
The purpose of this utility model is to provide a kind of silvery white looking glass of light splitting and display devices, it is intended to solve the prior art
In rearview mirror can not with display touch device be used in combination the technical issues of.
To achieve the above object, the technical solution adopted in the utility model is：A kind of silvery white looking glass of light splitting, including transparent
Glass substrate, sequentially lamination is provided with the first high of the optical medium film to form translucent half reflection in the transparent glass substrate
Refractivity film layer, the first low-index film, the second high refractive index layer, the second low-index film and third high refractive index film
Layer, the outer film surface of the optical medium film are silvery white in color.
Preferably, first high refractive index layer is niobium pentaoxide film layer or titanium oxide film layer, and described first is high
The thickness of refractivity film layer is 10nm~30nm.
Preferably, first low-index film be silica coating, the thickness of first low-index film
For 15nm~35nm.
Preferably, second high refractive index layer is niobium pentaoxide film layer or titanium oxide film layer, and described second is high
The thickness of refractivity film layer is 50nm~80nm.
Preferably, second low-index film be silica coating, the thickness of second low-index film
For 60nm~90nm.
Preferably, the third high refractive index layer is niobium pentaoxide film layer or titanium oxide film layer, and the third is high
The thickness of refractivity film layer is 50nm~80nm.
Preferably, first high refractive index layer, second high refractive index layer and the third high refractive index film
The refractive index n (632nm) of layer is 2.1~2.5；The refraction of first low-index film and second low-index film
Rate n (632nm) is 1.3~1.5.
Preferably, the ratio of transmission and reflection of the optical medium film in visible wavelength range for (45%~
55%)：(55%~45%), the chromaticity coordinates of the reflection of the optical medium film is L*=75~78, a*=-1~+1, b*=-1
~+1, the chromaticity coordinates of the transmission of the optical medium film is L*=74~77, a*=-2~0, b*=-2~0.
The beneficial effects of the utility model：The light splitting silvery white looking glass of the utility model, has in visible wavelength range
There are substantially equal transmission and reflection, form semi-permeable half reflection, be assembled on display screen in use, when display screen is lighted
When, it can show content on screen；It when display screen is closed, can be used as conventional mirror, and since reflection substantially has
50%, it plays certain anti-reflective effect and can be very good to cover display screen below simultaneously, i.e., it, can be with when display screen is lighted
Show content on display screen；It when display screen is closed, can be used as conventional mirror, and entire device integration effect is good.
Equally, which can be applied to other large scales and shows touch device, be used meeting traditional rear-view mirror
Again can be with transmitted light while effect, cooperation shows that touch device uses, and has both beautiful and practicality, expands the application of touch screen
Field, functional diversities greatly increase its added value.
The utility model use another technical solution be：A kind of display device, including display screen and above-mentioned light splitting silver
White looking glass, the silvery white looking glass of light splitting are set on the display screen.
The display device of the utility model, due to the use of there is above-mentioned light splitting silvery white looking glass, then in visible wavelength
In the range of there is substantially equal transmission and reflection, form semi-permeable half reflection, be assembled on display screen in use, when aobvious
When display screen is lighted, content on screen can be shown；It when display screen is closed, can be used as conventional mirror, and due to reflection
Substantially have 50%, play certain anti-reflective effect and can be very good to cover display screen below simultaneously, i.e., lighted in display screen
When, it can show content on display screen；It when display screen is closed, can be used as conventional mirror, and entire device integration
Effect is good.
Description of the drawings
It, below will be to embodiment or the prior art in order to illustrate more clearly of the technical scheme in the embodiment of the utility model
Attached drawing is briefly described needed in description, it should be apparent that, the accompanying drawings in the following description is only that this practicality is new
Some embodiments of type, for those of ordinary skill in the art, without having to pay creative labor, can be with
Other attached drawings are obtained according to these attached drawings.
Fig. 1 is the structure sectional view of the silvery white looking glass of light splitting that the utility model embodiment provides.
Fig. 2 is that the silvery white looking glass of light splitting that the utility model embodiment provides is combined the display device to be formed with display screen
Structure sectional view.
Fig. 3 is the silvery white transmission of looking glass of light splitting and the curve graph of reflection that the utility model embodiment provides
Wherein, each reference numeral in figure：
The 21-the first high refractive index layer of 10-transparent glass substrate, 20-optical medium film
22-the first low-index film the 24-the second low-index film of the 23-the second high refractive index layer
25-third high refractive index layer 30-display screen, 40-display device.
Specific embodiment
The embodiment of the utility model is described below in detail, the example of the embodiment is shown in the drawings, wherein from beginning
Same or similar element is represented to same or similar label eventually or there is the element of same or like function.Below by ginseng
The embodiment for examining the description of attached drawing 1~3 is exemplary, it is intended to for explaining the utility model, and it is not intended that this practicality
Novel limitation.
As shown in Figure 1, the utility model embodiment provides a kind of silvery white looking glass of light splitting, including transparent glass substrate
10, sequentially lamination is provided with the first high folding of the optical medium film 20 to form translucent half reflection in the transparent glass substrate 10
Penetrate rate film layer 21, the first low-index film 22, the second high refractive index layer 23, the second low-index film 24 and third height folding
Rate film layer 25 is penetrated, the outer film surface of the optical medium film 20 is silvery white in color.Specifically, the light splitting silvery white of the utility model embodiment
Looking glass has substantially equal transmission and reflection in visible wavelength range, forms semi-permeable half reflection, be assembled into
It, can be with 30 acts of upper contents of display screen on display screen 30 in use, when display screen 30 is lighted；When display screen 30 is closed, Ke Yizuo
It is used for conventional mirror, and since reflection substantially has 50%, plays certain anti-reflective effect and can be very good to cover simultaneously
Display screen 30 below that is, when display screen 30 is lighted, can show content on display screen 30；It, can be with when display screen 30 is closed
It is used as conventional mirror, and entire device integration effect is good.Equally, which can be applied to other
Large scale shows touch device, display can be coordinated to touch with transmitted light again while traditional rear-view mirror using effect is met
Device use is touched, has both beautiful and practicality, expands the application field of touch screen, functional diversities greatly increase its added value.
Further, the silvery white looking glass of the light splitting of the utility model embodiment can coordinate the touch screen of various applications to make
With, such as can be widely applied to the fields such as high-end automobile rearview mirror, automobile data recorder, intelligent appliance, smart home.
As in Fig. 2 by taking display device 40 as an example, i.e., by by the light splitting silvery white looking glass of the utility model embodiment with
Display screen 30, which combines, to be formed.
In the present embodiment, it is preferable that first high refractive index layer 21 is niobium pentaoxide (Nb2O5) film layer or dioxy
Change titanium (TiO2) film layer, the thickness of first high refractive index layer 21 is 10nm~30nm.Specifically, the described first high refraction
The thickness of rate film layer 21 can be 10nm, 15nm, 20nm, 25nm or 30nm.
In the present embodiment, it is preferable that first low-index film 22 is silica (SiO2) film layer, described first
The thickness of low-index film 22 is 15nm~35nm.Specifically, the thickness of first low-index film 22 can be
15nm, 20nm, 25nm, 30nm or 35nm.
In the present embodiment, it is preferable that second high refractive index layer 23 is niobium pentaoxide (Nb2O5) film layer or dioxy
Change titanium (TiO2) film layer, the thickness of second high refractive index layer 23 is 50nm~80nm.Specifically, the described second high refraction
The thickness of rate film layer 23 can be 50nm, 60nm, 70nm or 80nm.
In the present embodiment, it is preferable that second low-index film 24 is silica (SiO2) film layer, described second
The thickness of low-index film 24 is 60nm~90nm.Specifically, the thickness of second low-index film 24 can be
60nm, 70nm, 80nm or 90nm.
In the present embodiment, it is preferable that the third high refractive index layer 25 is niobium pentaoxide (Nb2O5) film layer or dioxy
Change titanium (TiO2) film layer, the thickness of the third high refractive index layer 25 is 50nm~80nm.Specifically, the third height refraction
The thickness of rate film layer 25 can be 50nm, 60nm, 70nm or 80nm.
In the present embodiment, it is preferable that first high refractive index layer 21, second high refractive index layer 23 and described
The refractive index n (632nm) of third high refractive index layer 25 is 2.1~2.5；Specifically, first high refractive index layer 21, institute
The refractive index n (632nm) for stating the second high refractive index layer 23 and the third high refractive index layer 25 can be 2.1,2.2,
2.3rd, 2.4 or 2.5.The refractive index n (632nm) of first low-index film 22 and second low-index film 24
It is 1.3~1.5；Specifically, the refractive index n of first low-index film 22 and second low-index film 24
(632nm) can be 1.3,1.4 or 1.5.
More specifically, niobium pentaoxide (the Nb2O5) film layer refractive index n (632nm) for 2.1~2.4, such as can be with
It is 2.1,2.2,2.3 or 2.4；The refractive index n (632nm) of titanium dioxide (TiO2) film layer is 2.2~2.5, such as can
To be 2.2,2.3,2.4 or 2.5；The refractive index n (632nm) of silica (SiO2) film layer is 1.3~1.5, such as
Can be 1.3,1.4 or 1.5.
In the present embodiment, the ratio of transmission and reflection of the optical medium film 20 in visible wavelength range is
(45%~55%)：(55%~45%), it is preferable that transmission of the optical medium film 20 in visible wavelength range with it is anti-
The ratio penetrated is 50%：50%.
In the present embodiment, the chromaticity coordinates of the reflection of the optical medium film 20 is L*=75~78, a*=-1~+1, b*
=-1~+1, the chromaticity coordinates of the transmission of the optical medium film 20 is L*=74~77, a*=-2~0, b*=-2~0.
The utility model embodiment additionally provides a kind of display device, including display screen and above-mentioned light splitting silvery white mirror glass
Glass, the silvery white looking glass of light splitting are set on the display screen.
The display device of the utility model embodiment, due to the use of there is above-mentioned light splitting silvery white looking glass, then visible
In optical wavelength range there is substantially equal transmission and reflection, form semi-permeable half reflection, be assembled on display screen and use
When, when display screen is lighted, it can show content on screen；When display screen is closed, it can be used as conventional mirror, and by
Substantially have 50% in reflection, play certain anti-reflective effect and can be very good to cover display screen below simultaneously, that is, showing
When screen is lighted, content on display screen can be shown；When display screen is closed, it can be used as conventional mirror, and entire device
Integrated effect is good.
The light splitting silvery white looking glass of the utility model embodiment is made by the steps to obtain：
S1：Transparent glass substrate 10 needed for obtaining；
S2：In being coated with the first high refractive index layer 21 in the transparent glass substrate 10；
S3：The first low-index film 22 is coated in first high refractive index layer 21；
S4：The second high refractive index layer 23 is coated in first low-index film 22；
S5：The second low-index film 24 is coated in second high refractive index layer 23；
S6：Third high refractive index layer 25 is coated in second low-index film 24.
Specifically, the preparation method of the silvery white looking glass of the light splitting of the utility model embodiment, is prepared by this method
The silvery white looking glass of light splitting, has substantially equal transmission and reflection in visible wavelength range, forms semi-permeable half reflection, will
It is assembled on display screen 30 in use, when display screen 30 is lighted, can be with 30 acts of upper contents of display screen；Display screen 30 is closed
When, it can be used as conventional mirror, and since reflection substantially has 50%, playing certain anti-reflective effect simultaneously can be very
The display screen 30 of good masking below, i.e., when display screen 30 is lighted, can show content on display screen 30；Display screen 30 is closed
When, it can be used as conventional mirror, and entire device integration effect is good.Equally, which can answer
Touch device is shown for other large scales, can be matched again with transmitted light while traditional rear-view mirror using effect is met
Conjunction shows that touch device uses, and has both beautiful and practicality, expands the application field of touch screen, and functional diversities greatly increase it
Added value.The preparation method of the silvery white looking glass of light splitting of the utility model embodiment, entire preparation method is simple, the light splitting of formation
Silvery white looking glass integration display effect is excellent, shielding is good.
Further, step S1 is specially：By the electronics float glass sheet of required thickness after cutting into required size, then
The transparent glass substrate 10 needed for plated film is obtained through edging, grinding, cleaning；
Step S2 is specially：The transparent glass substrate 10 is placed on transmission trolley, sets walking for the transmission trolley
Speed so that the transmission trolley enters vacuum coating equipment and is heated to 50 DEG C by the bringing-up section of the cavity of the vacuum coating equipment
~150 DEG C enter niobium pentaoxide target position or titanium dioxide target position, set Ar tolerance as 150sccm~200sccm, O2Tolerance
For 50sccm~100sccm, sputtering pressure is 1.5 × 10-3~4 × 10-3, target used is twin target, using midfrequent AC magnetic
Control, which is sputtered in the transparent glass substrate 10, to be coated with to form niobium pentaoxide film layer or titanium oxide film layer as the first high folding
Rate film layer 21 is penetrated, the thickness of first high refractive index layer 21 is 10nm~30nm；
Step S3 is specially：Enter silicon target target position after first high refractive index layer 21 has been coated with, set Ar tolerance
For 150sccm~200sccm, O2Using PID control, control voltage is 350V~500V for tolerance control, sputtering pressure is 1.5 ×
10-3~4 × 10-3, target used is twin target, using Mid frequency alternative magnetron sputtering on first high refractive index layer 21
Silica coating is coated with as first low-index film 22, the thickness of first low-index film 22 is 15nm
~35nm；
Step S4 is specially：Be coated with complete to enter after first low-index film 22 niobium pentaoxide target position or
Titanium dioxide target position sets Ar tolerance as 150sccm~200sccm, O2Tolerance is 50sccm~100sccm, and sputtering pressure is
1.5×10-3~4 × 10-3, target used is twin target, using Mid frequency alternative magnetron sputtering in first low-index film
Niobium pentaoxide film layer or titanium oxide film layer are coated on 22 as the second high refractive index layer 23, second high refractive index film
The thickness of layer 23 is 50nm~80nm.
Step S5 is specially：Enter silicon target target position after second high refractive index layer 23 has been coated with, set Ar tolerance
For 150sccm~200sccm, O2Tolerance control using PID control, control voltage in 350V~500V, sputtering pressure for 1.5 ×
10-3~4 × 10-3, target used is twin target, using Mid frequency alternative magnetron sputtering on second high refractive index layer 23
Silica coating is coated with as the second low-index film 24, the thickness of second low-index film 24 for 60nm~
90nm。
Step S6 is specially：Enter niobium pentaoxide target position or two after second low-index film 24 has been coated with
Titanium oxide target position sets Ar tolerance as 150sccm~200sccm, O2Tolerance be 50sccm~100sccm, sputtering pressure 1.5
×10-3~4 × 10-3, target used is twin target, using Mid frequency alternative magnetron sputtering in second low-index film 24
Niobium pentaoxide film layer or titanium oxide film layer are coated with as third high refractive index layer 25, the third high refractive index layer 25
Thickness be 50nm~80nm.
Following specific embodiments of the preparation method of the silvery white looking glass of light splitting for enumerating the utility model embodiment：
Using the general white float glasses of 1.85mm as transparent glass substrate 10, with magnetron sputtering coater.Using midfrequent AC
Magnetron sputtering is coated with niobium pentaoxide film layer, and Ar tolerance is 200sccm, O2Tolerance is 100sccm, and it is 2.5 to ensure sputtering pressure
×10-3, niobium target used is twin target, and niobium pentaoxide film is coated in transparent glass substrate 10 using Mid frequency alternative magnetron sputtering
Layer, the film thickness that this technique plates out are about 18nm.20nm silica coatings are then coated in niobium pentaoxide film layer, preferably
Ar tolerance is 200sccm, O2Tolerance control is 2.5 × 10 in 380V, preferably sputtering pressure using PID control, control voltage-3,
Target used is twin target.Then five oxidations of 58nm thickness are plated on silica coating using Mid frequency alternative magnetron sputtering method
Two niobium film layers, Ar tolerance are in 200sccm, O2For tolerance in 100sccm, guarantee sputtering pressure is 2.5 × 10-3.Two are aoxidized five
Silica coating is coated with using Mid frequency alternative magnetron sputtering in niobium film layer, preferably Ar tolerance is 200sccm, O2Tolerance control is adopted
With PID control, control voltage is 2.5 × 10 in 380V, preferably sputtering pressure-3, film thickness monitoring is in 85nm or so.In finally using
Frequently AC magnetic controlled sputtering method plates 65nm niobium pentaoxides film layer 15 on silica coating, and Ar tolerance is in 200sccm, O2Tolerance
In 100sccm, ensure sputtering pressure in 2.5 × 10-3.The light splitting silvery white looking glass that so manufacture is formed has semi-permeable partly anti-
Effect is penetrated, there is special optical performance, reflectance curve such as Fig. 3.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
All any modification, equivalent and improvement made within the spirit and principle of utility model etc., should be included in the utility model
Protection domain within.
Claims (9)
1. a kind of silvery white looking glass of light splitting, it is characterised in that：Including transparent glass substrate, sequentially folded in the transparent glass substrate
Layer is provided with the first high refractive index layer of the optical medium film to form translucent half reflection, the first low-index film, second
High refractive index layer, the second low-index film and third high refractive index layer, the outer film surface of the optical medium film is in silvery white
Color.
2. the silvery white looking glass of light splitting according to claim 1, it is characterised in that：First high refractive index layer is five oxygen
Change two niobium film layers or titanium oxide film layer, the thickness of first high refractive index layer is 10nm~30nm.
3. the silvery white looking glass of light splitting according to claim 1, it is characterised in that：First low-index film is dioxy
SiClx film layer, the thickness of first low-index film is 15nm~35nm.
4. the silvery white looking glass of light splitting according to claim 1, it is characterised in that：Second high refractive index layer is five oxygen
Change two niobium film layers or titanium oxide film layer, the thickness of second high refractive index layer is 50nm~80nm.
5. the silvery white looking glass of light splitting according to claim 1, it is characterised in that：Second low-index film is dioxy
SiClx film layer, the thickness of second low-index film is 60nm~90nm.
6. the silvery white looking glass of light splitting according to claim 1, it is characterised in that：The third high refractive index layer is five oxygen
Change two niobium film layers or titanium oxide film layer, the thickness of the third high refractive index layer is 50nm~80nm.
7. silvery white looking glass is divided according to claim 1~6 any one of them, it is characterised in that：First high refractive index
The refractive index n (632nm) of film layer, second high refractive index layer and the third high refractive index layer is 2.1~2.5；Institute
The refractive index n (632nm) for stating the first low-index film and second low-index film is 1.3~1.5.
8. the silvery white looking glass of light splitting according to claim 1, it is characterised in that：The optical medium film is in visible wavelength
In the range of transmission and reflection ratio be (45%~55%)：(55%~45%), the color of the reflection of the optical medium film
Coordinate is L*=75~78, a*=-1~+1, b*=-1~+1, the chromaticity coordinates of the transmission of the optical medium film for L*=74~
77, a*=-2~0, b*=-2~0.
9. a kind of display device, including display screen, it is characterised in that：The display device further includes any one of claim 1~8
The light splitting silvery white looking glass, the silvery white looking glass of light splitting are set on the display screen.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201721254843.XU CN207468489U (en) | 2017-09-27 | 2017-09-27 | The silvery white looking glass of light splitting and display device |
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| CN201721254843.XU CN207468489U (en) | 2017-09-27 | 2017-09-27 | The silvery white looking glass of light splitting and display device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107601920A (en) * | 2017-09-27 | 2018-01-19 | 信义光伏产业(安徽)控股有限公司 | It is divided silvery white looking glass and preparation method thereof |
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2017
- 2017-09-27 CN CN201721254843.XU patent/CN207468489U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107601920A (en) * | 2017-09-27 | 2018-01-19 | 信义光伏产业(安徽)控股有限公司 | It is divided silvery white looking glass and preparation method thereof |
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