CN215067648U - Colorful electrochromic device for vehicle-mounted display - Google Patents
Colorful electrochromic device for vehicle-mounted display Download PDFInfo
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- CN215067648U CN215067648U CN202121411690.1U CN202121411690U CN215067648U CN 215067648 U CN215067648 U CN 215067648U CN 202121411690 U CN202121411690 U CN 202121411690U CN 215067648 U CN215067648 U CN 215067648U
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Abstract
The utility model provides a colorful electrochromic device for on-vehicle demonstration, belongs to electrochromic device technical field, this colorful electrochromic device, including working electrode, the electrolyte layer that sets up between reaching, working electrode includes transparent substrate I, mass flow body and electrochromic layer, is provided with between transparent substrate I and the mass flow body and disappears the shadow layer and make electrochromic device be colorless transparent under the unloaded state, the beneficial effects of the utility model are that, the utility model discloses a can guarantee under the state of unloaded voltage, the device presents colorless transparent state, can realize colorful electrochromic under the state of loaded voltage, has good display effect.
Description
Technical Field
The utility model relates to an electrochromic device technical field especially relates to a colorful electrochromic device for on-vehicle demonstration.
Background
Electrochromism is a phenomenon that the electronic structure and optical properties (reflectivity, transmittance, absorptivity and the like) of an electrochromic material are stably and reversibly changed under the action of an external electric field or current, and the electrochromism is represented as reversible changes of color and transparency in appearance. Electrochromic devices made of electrochromic materials have been widely used in smart windows, displays, imaging devices, and the like.
The color of an electrochromic device is generally determined by the inherent properties of the electrochromic material. Tungsten oxide (WO)3) As a representative of inorganic electrochromic materials, they have been widely used in domestic and foreign markets. But this material is obtained by the method described in WO3Forming a PVD color layer on a conductive layer of an electrochromic device exhibiting WO when subjected to a voltage3The color blending of the electrochromic layer and the PVD color layer realizes multicolor electrochromism by adjusting the color change of the PVD color layer. On one hand, the scheme needs to design different PVD color layers, the manufacturing process of the electrochromic device is complex, and on the other hand, WO3Can only change between colorless and blue, and the color richness of the electrochromic device is limited.
In order to enrich colors, a multicolor electrochromic device is also disclosed at present, and the multicolor electrochromic device is based on a Fabry-Perot resonant cavity, a traditional current collector is replaced by an inactive metal layer, the device presents structural colors before voltage is loaded, when the voltage is loaded, the structural colors and the electrochromism are compounded, and the multicolor electrochromism is realized by adjusting the thickness of an electrochromic layer and the loaded voltage. However, before voltage is applied, the electrochromic device with the structure presents bright structural color, and obviously has defects for the practical application of vehicle-mounted display.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model provides a colorful electrochromic device for on-vehicle demonstration can guarantee under the state of loading voltage not, and the device presents colorless transparent state, can realize multicolor electrochromic under the state of loading voltage, has good display effect.
In order to achieve the above object, the present invention provides a technical solution for solving the technical problem: a colorful electrochromic device for on-vehicle demonstration, including working electrode, counter electrode and the electrolyte layer that sets up between, working electrode includes transparent substrate I, mass flow body and electrochromic layer, it makes to be provided with the shadow layer that disappears between transparent substrate I and the mass flow body electrochromic device is colorless transparent under the unloaded state.
The shadow eliminating layer comprises a titanium dioxide sputtering coating and a silicon dioxide sputtering coating, the thickness of the titanium dioxide sputtering coating is 10-500 nm, and the thickness of the silicon dioxide sputtering coating is 10-800 nm.
The titanium dioxide sputtering coating is arranged on the upper surface of the transparent substrate I, and the silicon dioxide sputtering coating is arranged on the upper surface of the titanium dioxide sputtering coating.
The current collector is arranged to be a metal reflecting layer, and the thickness of the current collector is 10-1000 nm.
The electrochromic layer is set to be a tungsten oxide layer, and the thickness of the electrochromic layer is set to be 100-1000 nm.
The electrolyte layer is set to be a gel electrolyte layer and is arranged on the surface of the working electrode in a coating, filling or silk-screen printing mode, and the thickness of the electrolyte layer is set to be 10-50 mu m.
The counter electrode comprises a transparent substrate II and a conductive electrode, and the conductive electrode is connected with the electrolyte layer through an ion storage layer.
The conductive electrode is an FTO film layer or an ITO film layer, and the thickness of the conductive electrode is 100-1000 nm.
The ion storage layer is arranged to be a nickel oxide layer, and the thickness of the ion storage layer is 10-1000 nm.
And the working electrode is attached to the counter electrode through the electrolyte layer and then is packaged and connected through a sealing adhesive layer.
The utility model has the advantages that:
the utility model discloses an add between working electrode's transparent substrate I and the mass flow body and include titanium dioxide sputter coating and silicon dioxide sputter coating's shadow layer of removing, played the effect of removing the shadow to under the cooperation of each rete of different thickness, guaranteed that this electrochromic device is colorless transparent under the state of not loading voltage, can improve the transmissivity of product, reduce the reflectivity, make the product also can clear demonstration under the highlight; and the working electrode shows structural color due to selective absorption and reflection of visible light, and the structural color is combined with electrochromism in the electrochromism process, so that the rich colors of the multicolor electrochromism device are ensured.
Drawings
The contents of the various figures of the specification and the labels in the figures are briefly described as follows:
fig. 1 is a schematic structural view of the present invention;
the labels in the above figures are: 1. the solar cell comprises a working electrode, 11 parts of a transparent substrate I, 12 parts of a current collector, 13 parts of an electrochromic layer, 14 parts of a shadow eliminating layer, 141 parts of a titanium dioxide sputtering coating, 142 parts of a silicon dioxide sputtering coating, 2 parts of a counter electrode, 21 parts of a transparent substrate II, 22 parts of a conductive electrode, 23 parts of an ion storage layer, 3 parts of an electrolyte layer and 4 parts of a sealant layer.
Detailed Description
To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings in the embodiments of the present invention are combined below to clearly and completely describe the technical solutions in the embodiments, and the following embodiments are used for illustrating the present invention, but do not limit the scope of the present invention.
In the description of the present invention, it should be noted that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The utility model discloses specific embodiment does: as shown in fig. 1, a multicolor electrochromic device for vehicle-mounted display includes a working electrode 1, a counter electrode 2, and an electrolyte layer 3 disposed therebetween, wherein the working electrode 1 includes a transparent substrate i 11, a current collector 12, and an electrochromic layer 13, and a shadow eliminating layer 14 is disposed between the transparent substrate i 11 and the current collector 12 to make the electrochromic device colorless and transparent in an unloaded state.
Specifically, the shadow eliminating layer 14 comprises a titanium dioxide sputtering coating 141 and a silicon dioxide sputtering coating 142, the titanium dioxide sputtering coating 141 is formed on the upper surface of the transparent substrate I11 in a magnetron sputtering mode, the silicon dioxide sputtering coating 142 is formed on the upper surface of the titanium dioxide sputtering coating 141 in a magnetron sputtering mode, and the thickness of the shadow eliminating layer 14 is set to be 10-800 nm, wherein the thickness of the titanium dioxide sputtering coating 141 is 10-500 nm, and the thickness of the silicon dioxide sputtering coating 142 is 10-800 nm, so that the refractive indexes of the titanium dioxide sputtering coating 141 and the silicon dioxide sputtering coating 142 are different, and the shadow eliminating effect is achieved.
Specifically, the current collector 12 is a metal reflective layer, which can be formed by a non-active metal in a magnetron sputtering manner, wherein the non-active metal includes chromium, gold, silver, copper, tungsten, titanium or an alloy thereof, and the thickness of the current collector 12 is set to be 10-1000 nm.
Specifically, the electrochromic layer 13 is set to be a tungsten oxide layer, and the thickness of the electrochromic layer 13 is set to be 100-1000 nm.
Specifically, the electrolyte layer 3 is a gel electrolyte layer 3 and is arranged on the surface of the working electrode 1 by coating, filling or silk-screen printing, and the thickness of the electrolyte layer 3 is 10-50 μm.
Specifically, the counter electrode 2 comprises a transparent substrate II 21 and a conductive electrode 22 formed on the transparent substrate II in a magnetron sputtering mode, the conductive electrode 22 is of a transparent structure, the conductive electrode 22 is an FTO film layer or an ITO film layer, the thickness of the conductive electrode 22 is set to be 100-1000 nm, the conductive electrode 22 is connected with an electrolyte layer 3 through an ion storage layer 23, the electrolyte layer 3 provides a channel and a medium for transmission of ions between the electrochromic layer 13 and the ion storage layer 23, the ion storage layer 23 is a nickel oxide layer and is formed on the conductive electrode 22 in a magnetron sputtering mode, and the thickness of the ion storage layer 23 is set to be 10-1000 nm.
Specifically, the working electrode 1 is connected with the counter electrode 2 through the electrolyte layer 3 and then is packaged through the sealant layer 4, and vertical 8724R4 or 6500 glue is used in the sealant layer 4, so that the overall structure is firmer, and the waterproof and dustproof effects are achieved.
Specifically, the materials of the transparent substrate I11 and the transparent substrate II 21 comprise soda lime glass, aluminosilicate glass, PMMA, PC, PET or TAC.
The manufacturing method of the multicolor electrochromic device comprises the following steps: firstly, a working electrode 1 and a counter electrode 2 are manufactured, copper foil leading-out electrodes are respectively adhered to the surfaces of a current collector 12 of the working electrode 1 and a conductive electrode 22 of the counter electrode 2, then an electrolyte layer 3 is formed on the surface of the working electrode 1 in a coating, filling or silk-screen printing mode, then the working electrode 1 with the electrolyte layer 3 and the counter electrode 2 are sealed through sealant after being adhered, and finally, the color adjustment of the multicolor electrochromic device is realized by adjusting the loading voltage.
The color change principle of the multicolor electrochromic device is as follows: the current collector 12, the electrochromic layer 13, the electrolyte layer 3 and the ion storage layer 23 form a metal-medium structure, an electrochromic device with structural color can be prepared by adjusting the thickness of each layer of material to a proper range, the refractive index of the electrochromic material can be adjusted by applying voltage, and the color of the all-solid-state multicolor electrochromic device can be further adjusted. The reflection rate of the vanishing layer 14 is close to that formed by the current collector 12 and the electrochromic layer 13 by additionally arranging the vanishing layer 14 with different refractive indexes on the metal-medium structure with structural color, so that the electrochromic device is colorless and transparent under the state of no voltage loading, the transmittance of the product can be improved, the reflection rate is reduced, and the product can be clearly displayed under strong light.
To sum up, the utility model discloses can guarantee under the state of loading voltage not, the device presents colorless transparent state, can realize polychrome electrochromic under the state of loading voltage, has good display effect.
The foregoing is merely illustrative of some of the principles of the present invention and the description is not intended to limit the invention to the specific constructions and applications shown, so that all modifications and equivalents that may be utilized are within the scope of the invention.
Claims (10)
1. The utility model provides a colorful electrochromic device for on-vehicle demonstration, its characterized in that, includes working electrode, counter electrode and the electrolyte layer that sets up between, working electrode includes transparent substrate I, mass flow body and electrochromic layer, it makes to be provided with the vanishing layer between transparent substrate I and the mass flow body electrochromic device is colorless transparent under the unloaded state.
2. A multicolor electrochromic device for vehicle displays according to claim 1, characterized in that: the shadow eliminating layer comprises a titanium dioxide sputtering coating and a silicon dioxide sputtering coating, the thickness of the titanium dioxide sputtering coating is 10-500 nm, and the thickness of the silicon dioxide sputtering coating is 10-800 nm.
3. A multicolor electrochromic device for vehicle displays according to claim 2, characterized in that: the titanium dioxide sputtering coating is arranged on the upper surface of the transparent substrate I, and the silicon dioxide sputtering coating is arranged on the upper surface of the titanium dioxide sputtering coating.
4. A multicolor electrochromic device for vehicle displays according to claim 1, characterized in that: the current collector is arranged to be a metal reflecting layer, and the thickness of the current collector is 10-1000 nm.
5. A multicolor electrochromic device for vehicle displays according to claim 1, characterized in that: the electrochromic layer is set to be a tungsten oxide layer, and the thickness of the electrochromic layer is set to be 100-1000 nm.
6. A multicolor electrochromic device for vehicle displays according to claim 1, characterized in that: the electrolyte layer is set to be a gel electrolyte layer and is arranged on the surface of the working electrode in a coating, filling or silk-screen printing mode, and the thickness of the electrolyte layer is set to be 10-50 mu m.
7. A multicolor electrochromic device for vehicle displays according to claim 1, characterized in that: the counter electrode comprises a transparent substrate II and a conductive electrode, and the conductive electrode is connected with the electrolyte layer through an ion storage layer.
8. A multicolor electrochromic device for vehicle displays according to claim 7, characterized in that: the conductive electrode is an FTO film layer or an ITO film layer, and the thickness of the conductive electrode is 100-1000 nm.
9. A multicolor electrochromic device for vehicle displays according to claim 7, characterized in that: the ion storage layer is arranged to be a nickel oxide layer, and the thickness of the ion storage layer is 10-1000 nm.
10. A multicolor electrochromic device for vehicle displays according to claim 1, characterized in that: and the working electrode is attached to the counter electrode through the electrolyte layer and then is packaged and connected through a sealing adhesive layer.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202121411690.1U CN215067648U (en) | 2021-06-24 | 2021-06-24 | Colorful electrochromic device for vehicle-mounted display |
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| CN202121411690.1U CN215067648U (en) | 2021-06-24 | 2021-06-24 | Colorful electrochromic device for vehicle-mounted display |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114242466A (en) * | 2021-12-22 | 2022-03-25 | 天津理工大学 | Super capacitor with electrochromic function and high energy density and preparation method thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114242466A (en) * | 2021-12-22 | 2022-03-25 | 天津理工大学 | Super capacitor with electrochromic function and high energy density and preparation method thereof |
| CN114242466B (en) * | 2021-12-22 | 2023-06-30 | 天津理工大学 | Super capacitor with electrochromic function and high energy density and preparation method |
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