CN207466491U - The blue mirror of automobile rearview mirror - Google Patents
The blue mirror of automobile rearview mirror Download PDFInfo
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- CN207466491U CN207466491U CN201721254893.8U CN201721254893U CN207466491U CN 207466491 U CN207466491 U CN 207466491U CN 201721254893 U CN201721254893 U CN 201721254893U CN 207466491 U CN207466491 U CN 207466491U
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Abstract
The utility model belongs to glass technology field, more particularly to a kind of blue mirror of automobile rearview mirror, including heat-bending glass substrate, the heat-bending glass substrate includes the concave and convex surface being oppositely arranged, sequentially lamination is provided with the first high refractive index layer to form composite membrane, the first low-index film, the second high refractive index layer, the second low-index film and metallic diaphragm on the concave surface, and the convex surface is in blue-green.The blue mirror of the automobile rearview mirror of the utility model, its advantage be the convex surface of the heat-bending glass substrate inwardly, the film surface of composite membrane is inwardly, it is improved in terms of environment durability, convex surface is in blue-green simultaneously, it is soft to light, interference of the strong light to pilot's line of vision can be effectively reduced, is played the role of effective anti-glare；And heat-bending glass substrate has hyperbolicity, it is hereby achieved that big visual field effect, not only better function, and shape is also more beautiful.
Description
Technical field
The utility model belongs to glass technology field more particularly to a kind of blue mirror of automobile rearview mirror.
Background technology
With the development of the society, car ownership constantly increases, Exploration on Train Operation Safety protrudes.In way of driving a vehicle, driver
Sight concerning life.Driving at night, caused by causing front truck pilot's line of vision momentary loss due to the high beam of back car
Accident becomes one of main cause of accident.Therefore, it is necessary to research and develop it is a kind of can be with the automobile rearview mirror of anti-dazzle, effectively to drop
Driving accident caused by low improperly light improves the safety of driving conditions.
Utility model content
The purpose of this utility model is to provide a kind of blue mirrors of automobile rearview mirror, it is intended to solve automobile of the prior art
Rearview mirror can not effectively realize the technical issues of anti-dazzle.
To achieve the above object, the technical solution adopted in the utility model is：The blue mirror of a kind of automobile rearview mirror, including heat
Curved glass substrate, the heat-bending glass substrate include the concave and convex surface that is oppositely arranged, and sequentially lamination is provided on the concave surface
Form the first high refractive index layer, the first low-index film, the second high refractive index layer, the second low refractive index film of composite membrane
Layer and metallic diaphragm, the convex surface are in blue-green.
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 25nm~45nm.
Preferably, first low-index film be silica coating, the thickness of first low-index film
For 45nm~65nm.
Preferably, second high refractive index layer be silica coating, the thickness of second high refractive index layer
For 40nm~60nm.
Preferably, second low-index film be silica coating, the thickness of second low-index film
For 30nm~50nm.
Preferably, the metallic diaphragm is crome metal film layer or metallic aluminium film layer, and the thickness of the metallic diaphragm is
10nm~30nm.
Preferably, the refractive index n (632nm) of first high refractive index layer and second high refractive index layer is
2.1~2.5；The refractive index n (632nm) of first low-index film and second low-index film for 1.3~
1.5；The refractive index n (632nm) of the metallic diaphragm is 4.2~4.5.
Preferably, the ratio of transmission and reflection of the composite membrane in visible wavelength range is (45%~55%)：
(55%~45%), the chromaticity coordinates of the reflection of the composite membrane is L*=75~78, a*=-10~-15, b*=-10~-20.
The beneficial effects of the utility model：The blue mirror of the automobile rearview mirror of the utility model, by the first high refractive index layer,
The composite membrane that first low-index film, the second high refractive index layer and the second low-index film add metallic diaphragm to be formed is coated with
Formed on the concave surface of heat-bending glass substrate, advantage be the convex surface of the heat-bending glass substrate inwardly, the film surface of composite membrane inwardly,
It is improved in terms of environment durability, while convex surface is in blue-green, it is soft to light, it can effectively reduce strong light and driver is regarded
The interference of line is played the role of effective anti-glare；And heat-bending glass substrate has hyperbolicity, it is hereby achieved that big visual field effect
Fruit, not only better function, and shape is also more beautiful.
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.
Wherein, each reference numeral in figure：
10-heat-bending glass substrate, 11-concave surface, 12-convex surface
20-composite membrane the 22-the first low-index film of the 21-the first high refractive index layer
23-the second high refractive index layer 25-metallic diaphragm of the 24-the second low-index film.
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 is exemplary, it is intended to for explaining the utility model, and it is not intended that the utility model
Limitation.
As shown in Figure 1, the utility model embodiment provides a kind of blue mirror of automobile rearview mirror, including heat-bending glass substrate
10, the heat-bending glass substrate 10 includes the concave surface 11 that is oppositely arranged and convex surface 12, and sequentially lamination is provided on the concave surface 11
The first high refractive index layer 21, the first low-index film 22, the second high refractive index layer 23, second for forming composite membrane 20 are low
Refractivity film layer 24 and metallic diaphragm 25, the convex surface 12 are in blue-green.Specifically, after the automobile of the embodiment of the utility model
The blue mirror of visor is low by the first high refractive index layer 21, the first low-index film 22, the second high refractive index layer 23 and second
The composite membrane 20 that refractivity film layer 24 plus metallic diaphragm 25 are formed, which is coated on the concave surface 11 of heat-bending glass substrate, to be formed, advantage
Be the heat-bending glass substrate 10 convex surface 12 inwardly, the film surface of composite membrane 20 is improved in terms of environment durability inwardly, together
When convex surface 12 in blue-green, it is soft to light, can effectively reduce interference of the strong light to pilot's line of vision, play effective anti-glare
Effect；And heat-bending glass substrate 10 has hyperbolicity, it is hereby achieved that big visual field effect, not only better function, and shape
It is more beautiful.
The blue looking glass of the automobile rearview mirror of the utility model embodiment, structure design is accurate, and optical function protrudes, film layer
Durability is good, and added value of product is high.
In the present embodiment, it is preferable that first high refractive index layer 21 is niobium pentaoxide film layer or titanium dioxide film
Layer, the thickness of first high refractive index layer 21 is 25nm~45nm.Specifically, the thickness of first high refractive index layer 21
Degree can be 25nm, 30nm, 35nm, 40nm or 45nm.
In the present embodiment, it is preferable that first low-index film 22 be silica coating, the first low refraction
The thickness of rate film layer 22 is 45nm~65nm.Specifically, the thickness of first low-index film 22 can be 45nm,
50nm, 55nm, 60nm or 65nm.
In the present embodiment, it is preferable that second high refractive index layer 23 is silica coating, the second height refraction
The thickness of rate film layer 23 is 40nm~60nm.Specifically, the thickness of second high refractive index layer 23 can be 40nm,
45nm, 50nm, 55nm or 60nm.
In the present embodiment, it is preferable that second low-index film 24 be silica coating, the second low refraction
The thickness of rate film layer 24 is 30nm~50nm.Specifically, the thickness of second low-index film 24 can be 30nm,
35nm, 40nm, 45nm or 50nm.
In the present embodiment, it is preferable that the metallic diaphragm 25 be crome metal film layer or metallic aluminium film layer, the metal film
The thickness of layer 25 is 10nm~30nm.Specifically, the thickness of the third high refractive index layer can be 10nm, 15nm, 20nm,
25nm or 30nm.
In the present embodiment, it is preferable that the folding of first high refractive index layer 21 and second high refractive index layer 23
It is 2.1~2.5 to penetrate rate n (632nm)；Specifically, first high refractive index layer 21,23 and of the second high refractive index layer
The refractive index n (632nm) of the third high refractive index layer can be 2.1,2.2,2.3,2.4 or 2.5.Described first is low
The refractive index n (632nm) of refractivity film layer 22 and second low-index film 24 is 1.3~1.5；Specifically, described
The refractive index n (632nm) of one low-index film 22 and second low-index film 2424 can be 1.3,1.4 or
1.5.The refractive index n (632nm) of the metallic diaphragm 25 is 4.2~4.5；Specifically, the refractive index n of metallic diaphragm 25
(632nm) can be 4.2,4.3,4.4 or 4.5.
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.The refractive index n (632nm) of the crome metal film layer and the metallic aluminium film layer for 4.2~
4.5, such as can be 4.2,4.3,4.4 or 4.5.
In the present embodiment, the ratio of transmission and reflection of the composite membrane 20 in visible wavelength range for (45%~
55%)：(55%~45%), it is preferable that the ratio of transmission and reflection of the composite membrane 20 in visible wavelength range is
50%：50%.
In the present embodiment, the chromaticity coordinates of the reflection of the composite membrane 20 is L*=75~78, a*=-10~-15, b*=-
10~-20.
The utility model embodiment additionally provides a kind of preparation method of the blue mirror of automobile rearview mirror, includes the following steps：
S1：Heat-bending glass substrate 10 needed for obtaining, the heat-bending glass substrate 10 include 11 He of concave surface being oppositely arranged
Convex surface 12；
S2：In being coated with the first high refractive index layer 21 on the concave surface 11 of the heat-bending 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：Metallic diaphragm 25 is coated in second low-index film 24.
Specifically, the automotive rear-view that the automobile rearview mirror of the utility model embodiment is prepared with the preparation method of blue mirror
The blue mirror of mirror, advantage be the convex surface 12 of the heat-bending glass substrate 10 inwardly, the film surface of composite membrane 20 inwardly, in environment durability
Aspect is improved, while convex surface 12 is in blue-green, soft to light, can effectively reduce interference of the strong light to pilot's line of vision,
Play the role of effective anti-glare；And heat-bending glass substrate 10 has hyperbolicity, it is hereby achieved that big visual field effect, not only
Better function, and shape is also more beautiful.
Further, step S1 is specially：By the electronics float glass sheet of required thickness after cutting into required size, then
The heat-bending glass substrate 10 needed for plated film is obtained, and the heat-bending glass substrate 10 is recessed including being oppositely arranged through hot bending, cleaning
Face 11 and convex surface 12；
Step S2 is specially：The heat-bending 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
Magnetron sputtering is coated with that form niobium pentaoxide film layer or titanium oxide film layer high as first on the heat-bending glass substrate 10
Refractivity film layer 21, the thickness of first high refractive index layer 21 is 25nm~45nm；
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, O2Tolerance control is using PID control, and control voltage is 350V~500V, sputtering pressure 1.5
×10-3~4 × 10-3, target used is twin target, using Mid frequency alternative magnetron sputtering in first high refractive index layer 21
On be coated with silica coating as first low-index film 22, the thickness of first low-index film 22 is
45nm~65nm；
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 40nm~60nm.
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 is using PID control, and control voltage is in 350V~500V, sputtering pressure 1.5
×10-3~4 × 10-3, target used is twin target, using Mid frequency alternative magnetron sputtering in second high refractive index layer 23
On be coated with silica coating as the second low-index film 24, the thickness of second low-index film 24 for 30nm~
50nm。
Step S6 is specially：Enter chromium target target position or aluminium target target after second low-index film 24 has been coated with
Position, sets Ar tolerance as 150sccm~200sccm, and sputtering pressure is 1.5 × 10-3~4 × 10-3, target used is round metal
Target column is coated with crome metal film layer in second low-index film 24 using Mid frequency alternative magnetron sputtering or metallic aluminium film layer is made
For metallic diaphragm 25, the thickness of the metallic diaphragm 25 is 10nm~30nm.
One specific embodiment party of following automobile rearview mirrors for enumerating the utility model embodiment preparation method of blue mirror
Formula：
Using the general white float glasses of 1.85mm as heat-bending 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 on heat-bending glass substrate 10 using Mid frequency alternative magnetron sputtering
Layer, the film thickness that this technique plates out are about 32nm.60nm 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 45nm 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 controls
Using PID control, control voltage is 2.5 × 10 in 380V, preferably sputtering pressure-3, film thickness monitoring is in 40nm or so.Finally adopt
15nm crome metal film layers are plated on silica coating with Mid frequency alternative magnetron sputtering method, Ar tolerance is in 200sccm, guarantee sputtering
Air pressure is in 2.5 × 10-3.
So manufacture formed automobile rearview mirror with indigo plant mirror advantage be the heat-bending glass substrate 10 convex surface 12 inwardly, it is compound
The film surface of film 20 inwardly, is improved in terms of environment durability, while convex surface 12 is in blue-green, soft to light, can be effective
Interference of the strong light to pilot's line of vision is reduced, is played the role of effective anti-glare；And heat-bending glass substrate 10 has hyperbolicity,
It is hereby achieved that big visual field effect, not only better function, and shape is also more beautiful.
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 (8)
1. a kind of blue mirror of automobile rearview mirror, it is characterised in that：Including heat-bending glass substrate, the heat-bending glass substrate includes phase
To the concave and convex surface of setting, sequentially lamination is provided with the first high refractive index layer to form composite membrane, first on the concave surface
Low-index film, the second high refractive index layer, the second low-index film and metallic diaphragm, the convex surface are in blue-green.
2. the blue mirror of automobile rearview mirror according to claim 1, it is characterised in that：First high refractive index layer is five
Two niobium film layers or titanium oxide film layer are aoxidized, the thickness of first high refractive index layer is 25nm~45nm.
3. the blue mirror of automobile rearview mirror according to claim 1, it is characterised in that：First low-index film is two
Membranous layer of silicon oxide, the thickness of first low-index film is 45nm~65nm.
4. the blue mirror of automobile rearview mirror according to claim 1, it is characterised in that：Second high refractive index layer is two
Membranous layer of silicon oxide, the thickness of second high refractive index layer is 40nm~60nm.
5. the blue mirror of automobile rearview mirror according to claim 1, it is characterised in that：Second low-index film is two
Membranous layer of silicon oxide, the thickness of second low-index film is 30nm~50nm.
6. the blue mirror of automobile rearview mirror according to claim 1, it is characterised in that：The metallic diaphragm is crome metal film layer
Or metallic aluminium film layer, the thickness of the metallic diaphragm is 10nm~30nm.
7. according to the blue mirror of claim 1~6 any one of them automobile rearview mirror, it is characterised in that：Described first high refraction
The refractive index n (632nm) of rate film layer and second high refractive index layer is 2.1~2.5；First low-index film and
The refractive index n (632nm) of second low-index film is 1.3~1.5；The refractive index n (632nm) of the metallic diaphragm is
4.2~4.5.
8. according to the blue mirror of claim 1~6 any one of them automobile rearview mirror, it is characterised in that：The composite membrane is can
The transmission and the ratio of reflection seen in optical wavelength range are (45%~55%)：(55%~45%), the reflection of the composite membrane
Chromaticity coordinates be L*=75~78, a*=-10~-15, b*=-10~-20.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721254893.8U CN207466491U (en) | 2017-09-27 | 2017-09-27 | The blue mirror of automobile rearview mirror |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721254893.8U CN207466491U (en) | 2017-09-27 | 2017-09-27 | The blue mirror of automobile rearview mirror |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207466491U true CN207466491U (en) | 2018-06-08 |
Family
ID=62266234
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721254893.8U Active CN207466491U (en) | 2017-09-27 | 2017-09-27 | The blue mirror of automobile rearview mirror |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207466491U (en) |
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2017
- 2017-09-27 CN CN201721254893.8U patent/CN207466491U/en active Active
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