CN221406285U - Electrochromic rearview mirror - Google Patents
Electrochromic rearview mirror Download PDFInfo
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- CN221406285U CN221406285U CN202323485577.XU CN202323485577U CN221406285U CN 221406285 U CN221406285 U CN 221406285U CN 202323485577 U CN202323485577 U CN 202323485577U CN 221406285 U CN221406285 U CN 221406285U
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- Prior art keywords
- film layer
- electrochromic
- film
- layer
- transition
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- 230000007704 transition Effects 0.000 claims abstract description 37
- 239000011521 glass Substances 0.000 claims abstract description 31
- 239000000758 substrate Substances 0.000 claims abstract description 31
- 229910052751 metal Inorganic materials 0.000 claims abstract description 27
- 239000002184 metal Substances 0.000 claims abstract description 27
- 239000000463 material Substances 0.000 claims description 22
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims description 7
- 239000007787 solid Substances 0.000 claims description 5
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 claims description 4
- 229910052782 aluminium Inorganic materials 0.000 claims description 4
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 4
- 239000007788 liquid Substances 0.000 claims description 4
- 229910052709 silver Inorganic materials 0.000 claims description 4
- 239000004332 silver Substances 0.000 claims description 4
- 229910000476 molybdenum oxide Inorganic materials 0.000 claims description 3
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 claims description 3
- PQQKPALAQIIWST-UHFFFAOYSA-N oxomolybdenum Chemical group [Mo]=O PQQKPALAQIIWST-UHFFFAOYSA-N 0.000 claims description 3
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 claims description 3
- 125000004429 atom Chemical group 0.000 description 4
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 4
- 125000004430 oxygen atom Chemical group O* 0.000 description 4
- 238000002310 reflectometry Methods 0.000 description 4
- 230000008859 change Effects 0.000 description 3
- 230000005684 electric field Effects 0.000 description 3
- XHCLAFWTIXFWPH-UHFFFAOYSA-N [O-2].[O-2].[O-2].[O-2].[O-2].[V+5].[V+5] Chemical compound [O-2].[O-2].[O-2].[O-2].[O-2].[V+5].[V+5] XHCLAFWTIXFWPH-UHFFFAOYSA-N 0.000 description 2
- AMGQUBHHOARCQH-UHFFFAOYSA-N indium;oxotin Chemical compound [In].[Sn]=O AMGQUBHHOARCQH-UHFFFAOYSA-N 0.000 description 2
- 150000002500 ions Chemical class 0.000 description 2
- QGLKJKCYBOYXKC-UHFFFAOYSA-N nonaoxidotritungsten Chemical compound O=[W]1(=O)O[W](=O)(=O)O[W](=O)(=O)O1 QGLKJKCYBOYXKC-UHFFFAOYSA-N 0.000 description 2
- 229920000767 polyaniline Polymers 0.000 description 2
- 238000001228 spectrum Methods 0.000 description 2
- 239000004408 titanium dioxide Substances 0.000 description 2
- 238000002834 transmittance Methods 0.000 description 2
- 229910001930 tungsten oxide Inorganic materials 0.000 description 2
- 229910001935 vanadium oxide Inorganic materials 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005566 electron beam evaporation Methods 0.000 description 1
- 230000004313 glare Effects 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000001659 ion-beam spectroscopy Methods 0.000 description 1
- 238000001755 magnetron sputter deposition Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000002441 reversible effect Effects 0.000 description 1
- 150000003384 small molecules Chemical class 0.000 description 1
Landscapes
- Electrochromic Elements, Electrophoresis, Or Variable Reflection Or Absorption Elements (AREA)
Abstract
The utility model discloses an electrochromic rearview mirror, which comprises: the electrochromic device comprises a rear glass substrate, a reflecting film layer and a transition film layer, wherein the transition film layer is arranged on the front surface of the rear glass substrate, and the reflecting film layer is arranged on the front surface of the transition film layer; the reflecting film layer adopts a pure metal film layer, and the transition film layer adopts an oxidized metal film layer. The electrochromic rearview mirror can prevent the falling off of a reflecting film layer adopting a pure metal film layer.
Description
Technical Field
The utility model relates to the field of automobile electronic accessories, in particular to an electrochromic rearview mirror.
Background
Electrochromic refers to a phenomenon that the optical properties (reflectivity, transmissivity, absorptivity, etc.) of a material change in color stably and reversibly under the action of an applied electric field, and is represented by reversible changes in color and transparency in appearance. Materials having electrochromic properties are referred to as electrochromic layers, and devices made with electrochromic layers are referred to as electrochromic devices. Based on the above, the light reflection, projection, absorption and other regulation and control can be realized through the control of the external electric field according to the ambient temperature, the illumination condition, the artificial will and the like, so as to meet different requirements.
In the electronic rearview mirror, because the reflective film layer easily generates glare when reflecting light in a strong light environment and influences the use effect, an electrochromic device is often matched with the reflective film layer for use, and the reflectance of the reflective film layer is mainly adjusted by color depth change of the electrochromic device so as to properly darken the color in the strong light environment and reduce the reflectance of the reflective film layer. In the prior art, an electronic rear view mirror generally employs an aluminum film or a silver film as a reflective film layer.
The pure metal film layer has higher reflectivity, but has poorer bonding force with the glass substrate of the electrochromic device, and the problem that the reflecting film layer is easy to fall off when the pure metal film layer is used for a long time.
Disclosure of utility model
In order to solve the defects in the prior art, the utility model provides an electrochromic rearview mirror, which can prevent a reflective film layer adopting a pure metal film layer from falling off.
The technical problems to be solved by the utility model are realized by the following technical scheme:
An electrochromic rearview mirror comprising:
electrochromic devices, reflective film layers and transitional film layers,
The electrochromic device comprises a rear glass substrate, the transition film layer is arranged on the front surface of the rear glass substrate, and the reflecting film layer is arranged on the front surface of the transition film layer;
The reflecting film layer adopts a pure metal film layer, and the transition film layer adopts an oxidized metal film layer.
Further, the reflecting film layer is an aluminum film layer or a silver film layer.
Further, the thickness of the reflecting film layer is 500-2000nm.
Further, the transition film layer is a molybdenum oxide film layer, an aluminum oxide film layer and a titanium oxide film layer.
Further, the thickness of the transition film layer is 10-300nm.
Further, the electrochromic device further comprises a front glass substrate, a rear conductive film, a front conductive film and an electrochromic layer, wherein the rear conductive film is arranged on the front surface of the reflecting film layer, the electrochromic layer is arranged on the front surface of the rear conductive film, the front conductive film is arranged on the front surface of the electrochromic layer, and the front glass substrate is arranged on the front surface of the front conductive film.
Further, the rear conductive film and the front conductive film are ITO conductive films.
Further, the thicknesses of the rear conductive film and the front conductive film are 20-800nm.
Further, the thickness of the electrochromic layer is 320-1000nm.
Further, the electrochromic layer is a solid electrochromic material or a liquid electrochromic material.
The utility model has the following beneficial effects: the electrochromic rearview mirror adopts a pure metal film layer with higher reflectivity as a reflecting film layer, and the transition film layer is arranged between a rear glass substrate and the reflecting film layer of the electrochromic device to improve the bonding force between the rear glass substrate and the reflecting film layer, the transition film layer adopts an oxidized metal film layer, the surface of the transition film layer is provided with a large number of metal atoms, hydroxyl groups and oxygen atoms, the metal atoms enable the transition film layer to have good bonding capability with the reflecting film layer adopting the pure metal film layer, the hydroxyl groups and the oxygen atoms enable the transition film layer to have good bonding capability with the rear glass substrate, and the oxidized metal film layer is adopted as the transition film layer between the rear glass substrate and the reflecting film layer, so that the adhesive force of the reflecting film layer on the rear glass substrate can be improved, and the reflecting film layer adopting the pure metal film layer is prevented from falling off from the rear glass substrate.
Drawings
Fig. 1 is a stacked structural view of an electrochromic rear view mirror provided by the present utility model.
Description of the embodiments
The present utility model is described in detail below with reference to the drawings and the embodiments, examples of which are illustrated in the accompanying drawings, wherein the same or similar reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the drawings are illustrative and intended to explain the present utility model and should not be construed as limiting the utility model.
In the description of the present utility model, it should be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate describing the present utility model and simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model.
Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first", "a second", or a third "may explicitly or implicitly include one or more such feature. In the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.
In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," "disposed," and the like are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, or can be communicated between two elements or the interaction relationship between the two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.
Examples
As shown in fig. 1, an electrochromic rear view mirror includes:
Electrochromic device 100, reflective film layer 200 and transition film layer 300,
The electrochromic device 100 includes a rear glass substrate 105, the transition film 300 is disposed on a front surface of the rear glass substrate 105, and the reflective film 200 is disposed on a front surface of the transition film 300;
The reflective film 200 is a pure metal film, and the transition film 300 is an oxidized metal film.
The electrochromic rearview mirror adopts a pure metal film layer with higher reflectivity as the reflecting film layer 200, and the transition film layer 300 is arranged between the rear glass substrate 105 of the electrochromic device 100 and the reflecting film layer 200 to improve the bonding force between the rear glass substrate 105 and the reflecting film layer 200, the transition film layer 300 adopts an oxidized metal film layer, the surface of the transition film layer 300 is provided with a large number of metal atoms, hydroxyl groups and oxygen atoms, the metal atoms enable the transition film layer 300 and the reflecting film layer 200 adopting the pure metal film layer to have good bonding capability, and the hydroxyl groups and the oxygen atoms enable the transition film layer 300 and the rear glass substrate 105 to have good bonding capability, and the oxidized metal film layer is adopted as the transition film layer 300 between the rear glass substrate 105 and the reflecting film layer 200, so that the adhesion force of the reflecting film layer 200 on the rear glass substrate 105 can be improved, and the reflecting film layer 200 adopting the pure metal film layer is prevented from falling off from the rear glass substrate 105.
In this embodiment, the reflective film 200 may be, but not limited to, an aluminum film or a silver film, and the thickness of the reflective film 200 is 500-2000nm; the transition film 300 may be, but not limited to, molybdenum oxide film, aluminum oxide film, titanium oxide film, and the thickness of the transition film 300 is 10-300nm.
The electrochromic device 100 further includes a front glass substrate 101, a rear conductive film 104, a front conductive film 102, and an electrochromic layer 103, wherein the rear conductive film 104 is disposed on the front surface of the reflective film layer 200, the electrochromic layer 103 is disposed on the front surface of the rear conductive film 104, the front conductive film 102 is disposed on the front surface of the electrochromic layer 103, and the front glass substrate 101 is disposed on the front surface of the front conductive film 102.
The reflective film layer 200 and the transition film layer 300 are arranged in the electrochromic device 100, and the reflective film layer 200 and the transition film layer 300 are packaged and protected by the front glass substrate 101 and the rear glass substrate 105 of the electrochromic device 100, so that the reflective film layer 200 and the transition film layer 300 can be prevented from being scratched or oxidized by foreign objects, and the service lives of the reflective film layer 200 and the transition film layer 300 can be prolonged.
When a voltage is applied to the front conductive film 102 and the rear conductive film 104, a color-changing electric field is formed between the front conductive film 102 and the rear conductive film 104, ions move inside the electrochromic layer 103, the moving ions combine with the color-changing material to make the color-changing material undergo energy transition, the spectrum of the color-changing material changes, and the color-changing material can absorb light in a specific wavelength band and further display a color corresponding to the light in the wavelength band; when the applied voltages are different, the color-changing materials transition to different energy levels, and the spectrum change degrees are different, so that the color depths are different.
In this embodiment, the front glass substrate 101 of the electrochromic device 100 is a side on which light is incident and emitted in use, i.e., a side facing the driver, and the rear glass substrate 105 of the electrochromic device 100 is a side facing the housing of the rearview mirror.
The electrochromic layer 103 is a solid electrochromic material or a liquid electrochromic material, wherein the solid electrochromic material mainly comprises tungsten oxide, vanadium oxide, titanium dioxide, polyaniline and the like, and the liquid electrochromic material mainly comprises polymers, small molecules, metal organic matters and the like; the solid electrochromic materials can be divided into inorganic electrochromic materials and organic electrochromic materials, wherein the organic electrochromic materials mainly comprise tungsten oxide, vanadium oxide, titanium dioxide and the like, and the organic electrochromic materials mainly comprise polyaniline and the like; the thickness of the electrochromic layer 103 is 320-1000nm.
The rear conductive film 104 and the front conductive film 102 may be, but not limited to, ITO conductive films, and the thicknesses of the rear conductive film 104 and the front conductive film 102 are 20-800nm.
ITO is a commonly used conductive film material, and is called Indium-Tin-Oxide, and the Chinese name is Indium Tin Oxide. It has high light transmittance (visible light transmittance is up to more than 90%) and conductivity, and is a very important film material. The ITO conductive film can be prepared by various methods, including magnetron sputtering, electron beam evaporation, ion beam sputtering, etc.
Finally, it should be noted that the foregoing embodiments are merely for illustrating the technical solution of the embodiments of the present utility model and are not intended to limit the embodiments of the present utility model, and although the embodiments of the present utility model have been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the technical solution of the embodiments of the present utility model may be modified or replaced with the same, and the modified or replaced technical solution may not deviate from the scope of the technical solution of the embodiments of the present utility model.
Claims (10)
1. An electrochromic rear view mirror comprising:
electrochromic devices, reflective film layers and transitional film layers,
The electrochromic device comprises a rear glass substrate, the transition film layer is arranged on the front surface of the rear glass substrate, and the reflecting film layer is arranged on the front surface of the transition film layer;
The reflecting film layer adopts a pure metal film layer, and the transition film layer adopts an oxidized metal film layer.
2. Electrochromic rear-view mirror according to claim 1, characterized in that the reflective film is an aluminum film or a silver film.
3. Electrochromic rear-view mirror according to claim 1 or 2, characterized in that the thickness of the reflective film layer is 500-2000nm.
4. The electrochromic rear view mirror according to claim 1, characterized in that the transition film layer is a molybdenum oxide film layer, an aluminum oxide film layer, a titanium oxide film layer.
5. Electrochromic rear-view mirror according to claim 1 or 4, characterized in that the thickness of the transitional film layer is 10-300nm.
6. The electrochromic rear view mirror according to claim 1, wherein the electrochromic device further comprises a front glass substrate, a rear conductive film, a front conductive film and an electrochromic layer, the rear conductive film is disposed on the front surface of the reflective film layer, the electrochromic layer is disposed on the front surface of the rear conductive film, the front conductive film is disposed on the front surface of the electrochromic layer, and the front glass substrate is disposed on the front surface of the front conductive film.
7. The electrochromic rear view mirror according to claim 6, wherein the rear conductive film and the front conductive film are ITO conductive films.
8. Electrochromic rear-view mirror according to claim 6, characterized in that the thickness of the rear conductive film and the front conductive film is 20-800nm.
9. Electrochromic rear-view mirror according to claim 6, characterized in that the thickness of the electrochromic layer is 320-1000nm.
10. Electrochromic rear-view mirror according to claim 6, characterized in that the electrochromic layer is a solid electrochromic material or a liquid electrochromic material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323485577.XU CN221406285U (en) | 2023-12-20 | 2023-12-20 | Electrochromic rearview mirror |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323485577.XU CN221406285U (en) | 2023-12-20 | 2023-12-20 | Electrochromic rearview mirror |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221406285U true CN221406285U (en) | 2024-07-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202323485577.XU Active CN221406285U (en) | 2023-12-20 | 2023-12-20 | Electrochromic rearview mirror |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221406285U (en) |
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2023
- 2023-12-20 CN CN202323485577.XU patent/CN221406285U/en active Active
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