CN211149149U - Electrochromic glass and electronic device - Google Patents
Electrochromic glass and electronic device Download PDFInfo
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- CN211149149U CN211149149U CN202020140825.4U CN202020140825U CN211149149U CN 211149149 U CN211149149 U CN 211149149U CN 202020140825 U CN202020140825 U CN 202020140825U CN 211149149 U CN211149149 U CN 211149149U
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Abstract
The utility model discloses an electrochromic glass and electronic equipment. The electrochromic glass includes: a first substrate; the first electrode layer is positioned on the surface of one side of the first substrate; the electrochromic functional layer is positioned on one side, far away from the first substrate, of the first electrode layer; the second electrode layer is positioned on one side, far away from the first electrode layer, of the electrochromic functional layer; the second substrate is positioned on one side, away from the electrochromic functional layer, of the second electrode layer; and the packaging structure seals the electrochromic functional layer between the first substrate and the second substrate, the second electrode layer is provided with a second connecting part, and the second connecting part extends from one side of the electrochromic functional layer, which is perpendicular to the side wall of the first substrate, to the first substrate. Therefore, the electrochromic glass has the advantages of convenience in arrangement of the connecting terminals, convenience in packaging, simple structure and the like.
Description
Technical Field
The utility model relates to a show technical field, specifically, relate to electrochromic glass and electronic equipment.
Background
The electrochromic is that under the action of the change of the polarity and the intensity of an applied electric field, the material undergoes reversible oxidation or reduction reaction, so that the color of the material can undergo reversible stable change. The electrochromic device prepared by the material with electrochromic property can realize controllable and reversible color conversion, and is widely applied to building materials such as glass and electronic equipment such as automobile rearview mirrors.
However, the current electrochromic glass and electronic devices still need to be improved.
SUMMERY OF THE UTILITY MODEL
The present invention is made based on the discovery and recognition by the inventors of the following facts and problems:
the current electrochromic glass is generally composed of two electrode layers, and an electrochromic layer, an ion conducting layer and an ion storage layer which are sandwiched between the two electrode layers. Under the action of an electric field, ions in the ion storage layer enter the electrochromic layer through the ion conducting layer, and reversible oxidation/reduction or ion embedding/extraction of electrochromic materials in the electrochromic layer is realized. Applying a reverse electric field between the two electrode layers and causing the electrochromic material to change color, ions will leave the electrochromic layer via the ion conducting layer back to the ion storage layer to effect color fading. However, since the common electrochromic material is sensitive to water and oxygen, the electrochromic device needs to be sealed by using a structure such as frame sealing glue and wires or connection terminals for applying voltage to the two electrode layers need to be reserved, so that the structure of the electrochromic device is generally complicated.
In view of the above, in one aspect of the present invention, the present invention provides an electrochromic glass. The electrochromic glass includes: a first substrate; a first electrode layer on a surface of one side of the first substrate; the electrochromic functional layer is positioned on one side, far away from the first substrate, of the first electrode layer; the second electrode layer is positioned on one side, far away from the first electrode layer, of the electrochromic functional layer; the second substrate is positioned on one side, away from the electrochromic functional layer, of the second electrode layer; and the packaging structure seals the electrochromic functional layer between the first substrate and the second substrate, and the second electrode layer is provided with a second connecting part which extends from one side of the side wall of the electrochromic functional layer, which is vertical to the first substrate, to the first substrate. Therefore, the electrochromic glass has the advantages of convenience in arrangement of the connecting terminals, convenience in packaging, simple structure and the like.
Specifically, the electrochromic functional layer includes: the electrochromic material layer is arranged close to one side of the first electrode layer; the ion transmission layer is positioned on one side, far away from the first electrode layer, of the electrochromic material layer; the ion storage layer is positioned on one side, far away from the electrochromic material layer, of the ion transmission layer and is in contact with the second electrode layer. Thereby improving the electrochromic effect of the electrochromic glass.
Specifically, the electrochromic material layer includes an inorganic metal oxide; the thickness of the electrochromic material layer is 100-800 nm. Thereby, the electrochromic effect of the electrochromic glass can be further improved.
In particular, the ion transport layer comprises one or more ion transport sublayers having a total thickness of 10-300nm, and the ion transport sublayers comprise L i2O、SiO2、Al2O3、Nb2O3、Ta2O5、LiTaO3、LiNbO3、La2TiO7、Li2WO4、ZrO2、HfO2、LaTiO3、SrTiO3、BaTiO3、Li3N、LiPO3L iI, L iF or L i2O2. Thereby, the electrochromic effect of the electrochromic glass can be further improved.
Specifically, the ion storage layer comprises inorganic metal oxide, Prussian blue or lithium inorganic acid salt, and the thickness of the ion storage layer is 100-500 nm. Thereby, the electrochromic effect of the electrochromic glass can be further improved.
Specifically, the electrochromic material layer has a cathode electrochromic material, and the ion storage layer includes an anode electrochromic material. Thereby, the electrochromic effect of the electrochromic glass can be further improved.
Specifically, the first electrode layer and the second electrode layer are formed of a transparent conductive material, and the thicknesses of the first electrode layer and the second electrode layer are each independently 10 to 1000 nm. Thereby, the electrochromic effect of the electrochromic glass can be further improved.
Specifically, the first electrode layer has a first connection portion, an orthographic projection of the first connection portion on the first substrate is located in an area outside the orthographic projection of the electrochromic functional layer on the first substrate, the electrochromic functional layer extends from one side, away from the first connection portion, of the first electrode layer to the first substrate, the second connection portion is located on one side, in contact with the first substrate, of the electrochromic functional layer, and the second connection portion and the first electrode are spaced by the electrochromic functional layer. Therefore, the first connecting part and the second connecting part can be simply led out, and the first electrode layer and the second electrode layer are ensured not to be in direct contact, so that short circuit can be avoided.
Specifically, the first substrate has a first edge and a second edge that are perpendicular to each other, the first connection portion and the second connection portion both extend along the first edge and are located on two sides of the first edge, respectively, and in a direction in which the second edge extends, a length of the electrochromic functional layer is greater than a length of the first electrode layer and is greater than a length of the second electrode layer. Thereby, the performance of the electrochromic glass can be further improved.
In another aspect of the present invention, the present invention provides an electronic device. The electronic device comprises the electrochromic glass described above. Thus, the electronic device has all the features and advantages of the electrochromic glass described above, and thus, the details are not repeated. Generally speaking, the electronic device has at least one of the advantages of simple wiring structure and the like.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
fig. 1 shows a schematic structural view of an electrochromic glazing according to one embodiment of the invention;
fig. 2 shows a schematic view of a part of the structure of electrochromic glazing according to another embodiment of the invention;
fig. 3 shows a schematic view of a part of the structure of electrochromic glazing according to another embodiment of the invention; and
fig. 4 shows a schematic view of a part of the structure of electrochromic glass according to another embodiment of the present invention.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.
In one aspect of the present invention, an electrochromic glazing is provided. Referring to fig. 1, the electrochromic glass includes: a first substrate 100 and a second substrate 500, and the first substrate 100 and the second substrate 500 may be glass substrates. The first substrate 100 has a first electrode layer 200 on one side thereof, the electrochromic functional layer 300 is located on one side of the first electrode layer 200 away from the first substrate 100, and the second electrode layer 400 is located on one side of the electrochromic functional layer 300 away from the first electrode layer 200. Referring to fig. 1 and 3, the encapsulation structure 600 seals the electrochromic functional layer 300 between the first substrate 100 and the second substrate 500. The second electrode layer 400 has a second connection portion 410, and the second connection portion 410 extends from the electrochromic functional layer 600 to the first substrate 100 at a side perpendicular to the sidewall of the first substrate 100 and contacts with the first substrate 100. Therefore, the electrochromic glass has the advantages of convenience in arrangement of the connecting terminals, convenience in packaging, simple structure and the like.
For convenience of understanding, the following first briefly explains the principle of the electrochromic glass that can achieve the above beneficial effects:
as described above, it is generally required in the related art that structures such as wires or connection terminals for applying voltages to the first electrode layer and the second electrode layer are reserved. Since the second electrode of the electrochromic glass according to the embodiment of the present invention extends onto the first substrate 100 along the sidewall of the electrochromic functional layer 300, a wire or a terminal structure connecting the two electrodes may be located on the first substrate 100. Thereby simplifying the overall structure of the electrochromic glass.
The following describes in detail the respective structures of the electrochromic glazing according to specific examples of the present invention:
referring to fig. 2 and 4, the first electrode layer 200 has a first connection portion 210, an orthographic projection of the first connection portion 210 on the first substrate 100 is located in an area other than an orthographic projection (shown by a dashed line frame in fig. 4) of an electrochromic functional layer on the first substrate, the electrochromic functional layer extends from a side of the first electrode layer away from the first connection portion 210 onto the first substrate 100, the second connection portion 410 is located at a side where the electrochromic functional layer contacts the first substrate 100, and the second connection portion 410 is spaced apart from the first electrode 200 by the electrochromic functional layer. Therefore, the first connecting part and the second connecting part can be simply led out, and the first electrode layer and the second electrode layer are ensured not to be in direct contact, so that short circuit can be avoided.
In particular, referring to fig. 4, the first substrate has a first edge and a second edge perpendicular to each other, for example, the first edge may be a long side of a rectangle shown in fig. 4, and the second edge may be a short side of the rectangle shown in fig. 4. The first connecting portion and the second connecting portion extend along a first edge (i.e., a long side direction) and are respectively located on two sides of the first edge, and in a direction in which a second edge (i.e., a short side direction) extends, the length of the electrochromic functional layer is greater than the length of the first electrode layer and greater than the length of the second electrode layer. Thereby, the electrochromic functional layer 300 (the area indicated by the dashed box in the figure) may avoid direct contact of the first electrode and the second electrode. Further, the performance of the electrochromic glass can be further improved.
Referring to fig. 2, the electrochromic functional layer may specifically include an electrochromic material layer 310, an ion transport layer 320, and an ion storage layer 330, where the electrochromic material layer 310 is disposed near one side of the first electrode layer and contains an electrochromic material, and oxidation/reduction or ion insertion/extraction may occur under the action of an electric field, so as to implement a controllable and reversible color change and color fading process. The ion transport layer 320 is located on the side of the electrochromic material layer 310 far away from the first electrode layer 200, and has high particle transport efficiency, so that ions moving under an electric field can quickly reach the electrochromic material layer 310 to act with the electrochromic material, thereby realizing the color change of the electrochromic glass. The ion storage layer 330 is located on the side of the ion transport layer 320 remote from the electrochromic material layer 310 and in contact with the second electrode layer 400. The ion storage layer 330 has a certain ion storage capacity so that when an electric field is formed between the first electrode layer 200 and the second electrode layer 400, ions in the ion storage layer 330 can rapidly move to the electrochromic material layer 310 side through the ion transport layer 320. Thereby improving the electrochromic effect of the electrochromic glass. According to an embodiment of the present invention, the electrochromic material layer 310, the ion transport layer 320 and the ion storage layer 330 may be formed of all-solid materials. Therefore, a solid electrochromic functional layer can be formed, and the second electrode layer 400 can be conveniently extended from the sidewall of the electrochromic functional layer to the first substrate 100.
Specifically, electricity is generatedThe color-changing material layer may include an inorganic metal oxide. May be specifically tungsten oxide (WO)3) Niobium oxide (Nb)2O5) Titanium oxide (TiO)2) Molybdenum oxide (MoO)3) Copper oxide (CuO), chromium oxide (Cr)2O3) Manganese oxide (Mn)2O3) Vanadium oxide (V)2O5) Cobalt oxide (Co)2O3) Nickel oxide (Ni)2O3) And the like, and also can be various inorganic metal oxides doped with lithium, sodium, potassium, vanadium or titanium, or a mixture of a plurality of inorganic metal oxides doped with lithium, sodium, potassium, vanadium or titanium. The inorganic metal oxide has a good electrochromic effect, and the electrochromic color of the electrochromic material layer can be controlled by selecting different inorganic metal oxides. According to an embodiment of the present invention, the thickness of the electrochromic material layer may be 100-. Thereby, the electrochromic effect of the electrochromic glass can be further improved.
The ion transport sublayer comprises L i2O、SiO2、Al2O3、Nb2O3、Ta2O5、LiTaO3、LiNbO3、La2TiO7、Li2WO4、ZrO2、HfO2、LaTiO3、SrTiO3、BaTiO3、Li3N、LiPO3L iI, L iF or L i2O2When the ion transport layer contains multiple ion transport sublayers, the materials of the different ion transport sublayers may be different the total thickness of the ion transport layer may be 10-300nm, such as 50-200nm, for example, according to some embodiments of the invention, the ion transport layer may be formed from L i of 30nm2O, 30nm SiO2And L i at 30nm2WO4Can also consist of L i of 40nm2O, 10nm SiO2And L i at 40nm2And (C) O. The thickness of the different ion-transporting sublayers may be the same or different. Thereby, can advanceThe electrochromic effect of the electrochromic glass is improved in one step.
The ion storage layer may include an inorganic metal oxide, prussian blue, or an inorganic acid salt of lithium. For example, the inorganic metal oxide may be vanadium (V) oxide2O5) Niobium oxide (Nb)2O5) Nickel oxide (NiO), iridium oxide (IrO)2) Cobalt oxide, molybdenum oxide, manganese oxide, chromium oxide, nickel tungsten oxide, nickel vanadium oxide, nickel manganese oxide, nickel aluminum oxide, nickel chromium oxide, nickel magnesium oxide, and the like, and may be a mixture of the above oxides. The inorganic acid salt of lithium may be lithium cobaltate, lithium manganate, lithium nickelate, lithium nickel vanadate, lithium iron phosphate, etc. The thickness of the ion storage layer may be 100 to 500nm, preferably 150 to 250 nm. According to other examples of the present disclosure, the electrochromic material layer may have a cathodic electrochromic material therein, and the ion storage layer may include an anodic electrochromic material therein. Therefore, the ion storage layer can simultaneously generate half reaction of oxidation or reduction reaction when the electrochromic material is subjected to oxidation or reduction reaction, namely the half reaction can be complementary with the process of coloring or fading of the electrochromic material, so that the coloring and fading of the whole electrochromic glass have higher contrast. Thereby, the electrochromic effect of the electrochromic glass can be further improved.
As can be appreciated by those skilled in the art, the electrochromic glass needs to have the colored/faded color of the electrochromic functional layer observed by a user, and thus the first electrode layer and the second electrode layer may be formed of transparent conductive materials. For example, the transparent conductive material may specifically include a metal oxide such as indium oxide, Indium Tin Oxide (ITO), doped indium oxide, tin oxide, doped tin oxide, zinc oxide, aluminum-doped zinc oxide (AZO), or oxide nails, or the like. The transparent nitride may be conductive, and specifically, may include titanium nitride, titanium nitride oxide, tantalum nitride, tantalum oxynitride, and the like, and may be a transparent metal or an alloy. The thicknesses of the first electrode layer and the second electrode layer may be equal or unequal, and the thickness range may be 10-1000nm, for example, 250-350 nm. Thereby, the electrochromic effect of the electrochromic glass can be further improved.
For ease of understanding, the following briefly describes the method of forming the above electrochromic glazing:
the method may specifically comprise the steps of: first, a first electrode layer is formed on a first substrate (which may be glass), and for example, an ITO film may be formed by sputtering and the first electrode layer may be formed by wet etching. The first connection portion of the first electrode layer may also be formed of the ITO film and eventually serve as a connection terminal for applying a voltage to the first electrode layer. And then, sequentially sputtering materials for forming the electrochromic layer, the ion transmission layer and the ion storage layer by utilizing a sputtering process, and finally obtaining the electrochromic layer, the ion transmission layer and the ion storage layer by laser etching. The electrochromic layer, the ion transmission layer and the ion storage layer do not cover the first connection portion of the first electrode and cover one end of the first electrode far away from the first connection portion, so that a second electrode formed later can be separated from the first electrode. An ITO film may then be sputtered and the second electrode layer patterned by wet etching. And finally, coating frame sealing glue on the second substrate, and adhering the second substrate to the first substrate to obtain the electrochromic glass.
In another aspect of the present invention, the present invention provides an electronic device. The electronic device includes the foregoing electrochromic glazing. Thus, the electronic device has all the features and advantages of the electrochromic glass described above, and thus, the details are not repeated. Generally speaking, the electronic device has at least one of the advantages of simple wiring structure and the like.
In the description of the present invention, the terms "upper", "lower", and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of description of the present invention, but do not require the present invention to be constructed and operated in a specific orientation, and thus, cannot be construed as limiting the present invention.
Reference throughout this specification to the description of "one embodiment," "another embodiment," or the like, means that a particular feature, structure, material, or characteristic described in connection with the embodiment is included in at least one embodiment of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction. In addition, it should be noted that the terms "first" and "second" in this specification are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implying any number of technical features indicated.
Although embodiments of the present invention have been shown and described, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art without departing from the scope of the present invention.
Claims (10)
1. An electrochromic glazing, characterized in that it comprises:
a first substrate;
a first electrode layer on a surface of one side of the first substrate;
the electrochromic functional layer is positioned on one side, far away from the first substrate, of the first electrode layer;
the second electrode layer is positioned on one side, far away from the first electrode layer, of the electrochromic functional layer;
the second substrate is positioned on one side, away from the electrochromic functional layer, of the second electrode layer; and
an encapsulation structure sealing the electrochromic functional layer between the first substrate and the second substrate,
the second electrode layer is provided with a second connecting part, and the second connecting part extends from the side wall of the electrochromic functional layer perpendicular to the first substrate.
2. The electrochromic glazing according to claim 1, characterized in that the electrochromic functional layer comprises:
the electrochromic material layer is arranged close to one side of the first electrode layer;
the ion transmission layer is positioned on one side, far away from the first electrode layer, of the electrochromic material layer;
the ion storage layer is positioned on one side, far away from the electrochromic material layer, of the ion transmission layer and is in contact with the second electrode layer.
3. The electrochromic glazing according to claim 2, characterized in that the electrochromic material layer comprises an inorganic metal oxide;
the thickness of the electrochromic material layer is 100-800 nm.
4. The electrochromic glazing according to claim 2, characterised in that the ion-transport layer comprises one or more ion-transport sublayers, the ion-transport layer having a total thickness of 10-300 nm;
the ion transport sublayer comprises L i2O、SiO2、Al2O3、Nb2O3、Ta2O5、LiTaO3、LiNbO3、La2TiO7、Li2WO4、ZrO2、HfO2、LaTiO3、SrTiO3、BaTiO3、Li3N、LiPO3L iI, L iF or L i2O2。
5. The electrochromic glass according to claim 2, characterised in that the ion storage layer comprises an inorganic metal oxide, Prussian blue or an inorganic acid salt of lithium,
the thickness of the ion storage layer is 100-500 nm.
6. Electrochromic glazing as claimed in claim 5, characterized in that the electrochromic material layer has a cathodic electrochromic material and the ion storage layer comprises an anodic electrochromic material.
7. The electrochromic glazing according to claim 1, wherein the first electrode layer and the second electrode layer are formed of a transparent conductive material, and the thickness of each of the first electrode layer and the second electrode layer is independently 10 to 1000 nm.
8. The electrochromic glazing according to any of claims 1 to 7, wherein the first electrode layer has a first connection portion, an orthographic projection of the first connection portion on the first substrate is located in a region other than the orthographic projection of the electrochromic functional layer on the first substrate, the electrochromic functional layer extends from a side of the first electrode layer away from the first connection portion to the first substrate, the second connection portion is located on a side of the electrochromic functional layer in contact with the first substrate, and the second connection portion is spaced apart from the first electrode by the electrochromic functional layer.
9. The electrochromic glazing according to claim 8, characterized in that the first substrate has a first edge and a second edge perpendicular to each other, the first connection portion and the second connection portion each extending along the first edge and being located on either side of the first edge, respectively, the length of the electrochromic functional layer being greater than the length of the first electrode layer and greater than the length of the second electrode layer in the direction in which the second edge extends.
10. An electronic device, comprising: the electrochromic glazing of any of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020140825.4U CN211149149U (en) | 2020-01-21 | 2020-01-21 | Electrochromic glass and electronic device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020140825.4U CN211149149U (en) | 2020-01-21 | 2020-01-21 | Electrochromic glass and electronic device |
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| CN211149149U true CN211149149U (en) | 2020-07-31 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114488655A (en) * | 2022-03-21 | 2022-05-13 | 浙江水晶光电科技股份有限公司 | Gray filtering lens, preparation method thereof and camera module |
| CN114779549A (en) * | 2021-01-22 | 2022-07-22 | 深圳市光羿科技有限公司 | Electrochromic device, preparation method thereof and electronic equipment |
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2020
- 2020-01-21 CN CN202020140825.4U patent/CN211149149U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114779549A (en) * | 2021-01-22 | 2022-07-22 | 深圳市光羿科技有限公司 | Electrochromic device, preparation method thereof and electronic equipment |
| WO2022156659A1 (en) * | 2021-01-22 | 2022-07-28 | 光羿智能科技(苏州)有限公司 | Electrochromic apparatus and method for preparing same, and electronic device |
| CN114488655A (en) * | 2022-03-21 | 2022-05-13 | 浙江水晶光电科技股份有限公司 | Gray filtering lens, preparation method thereof and camera module |
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