CN110109312A - A kind of conductive film in automobile electrochromism inside rear-view mirror - Google Patents
A kind of conductive film in automobile electrochromism inside rear-view mirror Download PDFInfo
- Publication number
- CN110109312A CN110109312A CN201910370218.9A CN201910370218A CN110109312A CN 110109312 A CN110109312 A CN 110109312A CN 201910370218 A CN201910370218 A CN 201910370218A CN 110109312 A CN110109312 A CN 110109312A
- Authority
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- China
- Prior art keywords
- layer
- conductive film
- metallic reflector
- covered
- reflection enhancing
- 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.)
- Pending
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- 230000002708 enhancing effect Effects 0.000 claims abstract description 30
- 229910052804 chromium Inorganic materials 0.000 claims abstract description 12
- 229910052759 nickel Inorganic materials 0.000 claims abstract description 12
- 238000002310 reflectometry Methods 0.000 claims abstract description 12
- 239000000203 mixture Substances 0.000 claims abstract description 6
- 238000001755 magnetron sputter deposition Methods 0.000 claims description 11
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims description 8
- ZKATWMILCYLAPD-UHFFFAOYSA-N niobium pentoxide Chemical compound O=[Nb](=O)O[Nb](=O)=O ZKATWMILCYLAPD-UHFFFAOYSA-N 0.000 claims description 6
- 239000002994 raw material Substances 0.000 claims description 6
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 5
- 229910052581 Si3N4 Inorganic materials 0.000 claims description 4
- 229910052681 coesite Inorganic materials 0.000 claims description 4
- 229910052906 cristobalite Inorganic materials 0.000 claims description 4
- 239000000377 silicon dioxide Substances 0.000 claims description 4
- 229910052682 stishovite Inorganic materials 0.000 claims description 4
- 229910052905 tridymite Inorganic materials 0.000 claims description 4
- 239000011521 glass Substances 0.000 claims description 3
- 239000011261 inert gas Substances 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 8
- 230000003026 anti-oxygenic effect Effects 0.000 abstract description 2
- 230000000694 effects Effects 0.000 abstract description 2
- 239000000463 material Substances 0.000 description 3
- 230000005611 electricity Effects 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 238000004544 sputter deposition Methods 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- AMGQUBHHOARCQH-UHFFFAOYSA-N indium;oxotin Chemical group [In].[Sn]=O AMGQUBHHOARCQH-UHFFFAOYSA-N 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 239000010970 precious metal Substances 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/15—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on an electrochromic effect
- G02F1/153—Constructional details
- G02F1/155—Electrodes
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/15—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on an electrochromic effect
- G02F1/153—Constructional details
- G02F1/157—Structural association of cells with optical devices, e.g. reflectors or illuminating devices
Landscapes
- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Optical Elements Other Than Lenses (AREA)
- Electrochromic Elements, Electrophoresis, Or Variable Reflection Or Absorption Elements (AREA)
Abstract
A kind of conductive film in automobile electrochromism inside rear-view mirror, including metallic reflector, reflection enhancing layer and ito film layer, metallic reflector is made by the mixture of Ni, Cr or Ni and Cr, reflection enhancing layer is covered in the rear surface of metallic reflector, ito film layer is covered in the rear surface of reflection enhancing layer, and the reflectivity after ito film layer, reflection enhancing layer and metallic reflector successively overlap is 85~95%.The present invention has the advantages that making metallic reflector using the mixture of Ni, Cr or Ni and Cr, the use of Ag in the prior art is avoided, is reduced the production cost, the antioxygenic property of metallic reflector is also higher, extends the service life of conductive film；It is covered with reflection enhancing layer on metallic reflector, the reflectivity of this conductive film is made to be promoted to 85~95% from 40~55%, realizes the light total reflection effect of conductive film.
Description
Technical field
The present invention relates to a kind of inside rear-view mirror, a kind of especially conductive film in automobile electrochromism inside rear-view mirror.
Background technique
It is existing that a kind of application No. is CN201610956948.3 is entitled " after in a kind of automobile half-reflection and half-transmission type electrochromism
Visor third face conductive film " Chinese invention patent application disclose a kind of automobile half-reflection and half-transmission type electrochromism inside rear-view mirror
With third face conductive film and preparation method thereof, which includes the first high refractive index layer set gradually, first low
Index layer, the second high refractive index layer, the second low-index layer, third high refractive index layer, third low-index layer and ITO layer,
The material selection Nb of the high refractive index layer2O5、TiO2、Si3N4One of or it is several, the material of low-index layer is
SiO2；Wherein the thickness of each high refractive index layer or low-index layer existsThe invention is by selecting different medium
Layer+ITO layer structure, may be implemented reflectivity be 50~80%, 30 ohm of resistance or less, the automobile half-reflection and half-transmission type of Color tunable
The preparation of electrochromism inside rear-view mirror third face conductive film layer；Thus the electrochromic rearview prepared, no matter color, reflection
Rate or response speed can also meet the requirement of inside-automobile rear mirror.However, the conductive film is needing to improve reflectivity
Shi Bixu uses the high and low refractive index layer of the more number of plies, and reflectivity is only capable of reaching 80% or so, it is difficult to apply in fully-reflected type
Electrochromism inside rear-view mirror on, therefore the structure of the conductive film also needs to be further improved.
Summary of the invention
It is simple the technical problem to be solved by the present invention is to provide a kind of structure for above-mentioned state of the art, it reflects
Rate is high, the conductive film of low manufacture cost being used in automobile electrochromism inside rear-view mirror.
The technical scheme of the invention to solve the technical problem is: this is used for automobile electrochromism inside rear-view mirror
Conductive film, including metallic reflector, it is characterised in that: the metallic reflector is made by the mixture of Ni, Cr or Ni and Cr
It forms, the conductive film further includes reflection enhancing layer and ito film layer, and the reflection enhancing layer is covered in the rear table of metallic reflector
On face, the ito film layer is covered in the rear surface of reflection enhancing layer, the ito film layer, reflection enhancing layer and metallic reflector
Reflectivity after successively overlapping is 85~95%.
As an improvement, the reflection enhancing layer is preferably made of high refractive index layer and low-index layer, the high refraction
Rate layer is covered in the front surface of low-index layer, and the ito film layer is covered on the surface of low-index layer, the high refraction
Rate layer is covered on the surface of metallic reflector.
It is further improved, the high refractive index layer is preferably by Nb2O5、TiO2、Si3N4One or more of raw material production
It forms, the low-index layer is preferably by SiO2Raw material is made.
It is further improved, the thickness of the high refractive index layer and low-index layer is preferably respectively
As an improvement, the thickness of the metallic reflector is preferably 50~100nm.
It is further improved, the metallic reflector preferably passes through magnetron sputtering and is covered on the surface of glass for lenses, institute
The reflectivity for stating metallic reflector is 40~55%.
It is further improved, the reflection enhancing layer preferably passes through magnetron sputtering and is covered on the surface of metallic reflector.
It is further improved, the ito film layer preferably passes through magnetron sputtering and is covered on the surface of reflection enhancing layer, metal
Resistance after the overlapping in reflecting layer, reflection enhancing layer and ito film layer is less than 15 ohm.
It is further improved, the thickness of the ito film layer is preferably 100~200nm.
As an improvement, magnetron sputtering charged pressure preferably in the container of vacuum is 1.5 × 10-3~2.5 × 10-3It is carried out in the inert gas of Pa.
Compared with the prior art, the advantages of the present invention are as follows: firstly, making gold using the mixture of Ni, Cr or Ni and Cr
Belong to reflecting layer, not only avoids the use of precious metal (such as: Ag) in the prior art and reduce the production cost, and metal is anti-
The antioxygenic property for penetrating layer is also higher, and also effectively extends the service life of conductive film；Secondly, being covered on metallic reflector
It is stamped reflection enhancing layer, so that the reflectivity of this conductive film is promoted to 85~95% from 40~55%, conduction has been significantly increased
Film selects the rate of penetrating, and the light for realizing conductive film is totally reflected effect, while also further promoting the brightness of metallic reflector and resisting
Oxidation susceptibility；It is that ito film layer is covered on the surface of reflection enhancing layer again, not only ito film is at low cost, it conducts electricity very well,
And ito film layer and reflection enhancing layer, metallic reflector it is compound after so that the resistance of this conductive film is dropped to 15 Europe or less.To sum up institute
It states, the conductive film structure that this is used in automobile electrochromism inside rear-view mirror is simple, and cost of material is low, and reflectivity is high, electric conductivity
It is good, large stretch of plated film production can be carried out, then carry out die separation, production is more convenient, and production cost is also lower.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the embodiment of the present invention.
Specific embodiment
The present invention will be described in further detail below with reference to the embodiments of the drawings.
As shown in Figure 1, the conductive film being used in automobile electrochromism inside rear-view mirror of the present embodiment, including metallic reflector
1, the metallic reflector 1 is made by the mixture of Ni, Cr or Ni and Cr, and the conductive film further includes reflection enhancing layer 2
With ito film layer 3, the reflection enhancing layer 2 is covered in the rear surface of metallic reflector 1, and the ito film layer 3 is covered in reflection
In the rear surface of enhancement layer 2, the reflectivity after the ito film layer 3, reflection enhancing layer 2 and metallic reflector 1 successively overlap is 85
~95%.Reflection enhancing layer 2 is made of high refractive index layer 21 and low-index layer 22, and the high refractive index layer 21 is covered on low folding
It penetrates in the front surface of rate layer 22, the ito film layer 3 is covered on the surface of low-index layer 22, and the high refractive index layer 21 covers
It is placed on the surface of metallic reflector 1.High refractive index layer 21 is by Nb2O5、TiO2、Si3N4One or more of raw material production and
At the low-index layer 22 is by SiO2Raw material is made.High refractive index layer 21 and the thickness of low-index layer 22 are respectivelyMetallic reflector 1 with a thickness of 50~100nm.
Metallic reflector 1 is covered on the surface of glass for lenses 4 by magnetron sputtering, the reflection of the metallic reflector 1
Rate is 40~55%.Reflection enhancing layer 2 is covered on the surface of metallic reflector 1 by magnetron sputtering.Ito film layer 3 passes through magnetic
Control sputtering is covered on the surface of reflection enhancing layer 2, the electricity after the overlapping of metallic reflector 1, reflection enhancing layer 2 and ito film layer 3
Resistance is less than 15 ohm.Ito film layer 3 with a thickness of 100~200nm.The ito film layer is indium tin oxide layer, is commonly called as ito film
Layer.Magnetron sputtering charged pressure in the container of vacuum is 1.5 × 10-3~2.5 × 10-3It is carried out in the inert gas of Pa.Magnetic control
The specific measured step of sputtering belongs to well-known technique suddenly, therefore is not described in detail.
Claims (10)
1. a kind of conductive film in automobile electrochromism inside rear-view mirror, including metallic reflector (1), it is characterised in that: institute
It states metallic reflector (1) to be made by the mixture of Ni, Cr or Ni and Cr, the conductive film further includes reflection enhancing layer (2)
With ito film layer (3), the reflection enhancing layer (2) is covered in the rear surface of metallic reflector (1), and the ito film layer (3) is covered
It is placed in the rear surface of reflection enhancing layer (2), the ito film layer (3), reflection enhancing layer (2) and metallic reflector (1) are successively folded
Reflectivity after conjunction is 85~95%.
2. conductive film according to claim 1, it is characterised in that: the reflection enhancing layer (2) is by high refractive index layer (21)
It is formed with low-index layer (22), the high refractive index layer (21) is covered in the front surface of low-index layer (22), the ITO
Film layer (3) is covered on the surface of low-index layer (22), and the high refractive index layer (21) is covered in the table of metallic reflector (1)
On face.
3. conductive film according to claim 2, it is characterised in that: the high refractive index layer (21) is by Nb2O5、TiO2、Si3N4
One or more of raw material be made, the low-index layer (22) is by SiO2Raw material is made.
4. conductive film according to claim 2, it is characterised in that: the high refractive index layer (21) and low-index layer (22)
Thickness be respectively
5. according to claim 1 to the conductive film any in 4, it is characterised in that: the metallic reflector (1) with a thickness of
50~100nm.
6. conductive film according to claim 5, it is characterised in that: the metallic reflector (1) is covered by magnetron sputtering
On the surface of glass for lenses (4), the reflectivity of the metallic reflector (1) is 40~55%.
7. conductive film according to claim 5, it is characterised in that: the reflection enhancing layer (2) is covered by magnetron sputtering
On the surface of metallic reflector (1).
8. conductive film according to claim 7, it is characterised in that: the ito film layer (3) is covered on instead by magnetron sputtering
It penetrates on the surface of enhancement layer (2), metallic reflector (1), reflection enhancing layer (2) and the resistance after the overlapping of ito film layer (3) want small
In 15 ohm.
9. conductive film according to claim 8, it is characterised in that: the ito film layer (3) with a thickness of 100~200nm.
10. according to the conductive film any in claim 6 to 8, it is characterised in that: container of the magnetron sputtering in vacuum
Middle charged pressure is 1.5 × 10-3~2.5 × 10-3It is carried out in the inert gas of Pa.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910370218.9A CN110109312A (en) | 2019-05-06 | 2019-05-06 | A kind of conductive film in automobile electrochromism inside rear-view mirror |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910370218.9A CN110109312A (en) | 2019-05-06 | 2019-05-06 | A kind of conductive film in automobile electrochromism inside rear-view mirror |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110109312A true CN110109312A (en) | 2019-08-09 |
Family
ID=67488133
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910370218.9A Pending CN110109312A (en) | 2019-05-06 | 2019-05-06 | A kind of conductive film in automobile electrochromism inside rear-view mirror |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110109312A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115826113A (en) * | 2022-12-16 | 2023-03-21 | 常州雅谱新材料有限公司 | An electrochromic anti-glare rearview lens and its preparation method |
| CN115963667A (en) * | 2022-12-28 | 2023-04-14 | 扬州晶彩光电科技有限公司 | Manufacturing method of conductive film for automobile rearview mirror |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2007100921A2 (en) * | 2006-03-03 | 2007-09-07 | Gentex Corporation | Improved thin-film coatings, electro-optic elements and assemblies incorporating these elements |
| CN103676136A (en) * | 2012-09-19 | 2014-03-26 | 精工爱普生株式会社 | Spectroscope, wavelength variable interference filter, optical module, and electronic device |
| CN106291782A (en) * | 2016-10-27 | 2017-01-04 | 宜昌南玻显示器件有限公司 | A kind of automobile half-reflection and half-transmission type electrochromism inside rear-view mirror is with the 3rd conducting film |
| US20180267360A1 (en) * | 2017-02-17 | 2018-09-20 | Shenzhen China Star Optoelectronics Technology Co., Ltd. | Backlight source based on graphene, field color sequential liquid crystal display device, and driving method for the same |
| CN210294769U (en) * | 2019-05-06 | 2020-04-10 | 爱卓智能科技(上海)有限公司 | Conductive film for automobile electrochromic inner rear-view mirror |
-
2019
- 2019-05-06 CN CN201910370218.9A patent/CN110109312A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2007100921A2 (en) * | 2006-03-03 | 2007-09-07 | Gentex Corporation | Improved thin-film coatings, electro-optic elements and assemblies incorporating these elements |
| CN103676136A (en) * | 2012-09-19 | 2014-03-26 | 精工爱普生株式会社 | Spectroscope, wavelength variable interference filter, optical module, and electronic device |
| CN106291782A (en) * | 2016-10-27 | 2017-01-04 | 宜昌南玻显示器件有限公司 | A kind of automobile half-reflection and half-transmission type electrochromism inside rear-view mirror is with the 3rd conducting film |
| US20180267360A1 (en) * | 2017-02-17 | 2018-09-20 | Shenzhen China Star Optoelectronics Technology Co., Ltd. | Backlight source based on graphene, field color sequential liquid crystal display device, and driving method for the same |
| CN210294769U (en) * | 2019-05-06 | 2020-04-10 | 爱卓智能科技(上海)有限公司 | Conductive film for automobile electrochromic inner rear-view mirror |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115826113A (en) * | 2022-12-16 | 2023-03-21 | 常州雅谱新材料有限公司 | An electrochromic anti-glare rearview lens and its preparation method |
| CN115963667A (en) * | 2022-12-28 | 2023-04-14 | 扬州晶彩光电科技有限公司 | Manufacturing method of conductive film for automobile rearview mirror |
| WO2024139371A1 (en) * | 2022-12-28 | 2024-07-04 | 扬州晶彩光电科技有限公司 | Manufacturing method for conductive film on automobile rearview mirror |
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| PB01 | Publication | ||
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Application publication date: 20190809 |