CN214427710U - Electrochromic device and electronic terminal comprising same - Google Patents
Electrochromic device and electronic terminal comprising same Download PDFInfo
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- CN214427710U CN214427710U CN202022403242.9U CN202022403242U CN214427710U CN 214427710 U CN214427710 U CN 214427710U CN 202022403242 U CN202022403242 U CN 202022403242U CN 214427710 U CN214427710 U CN 214427710U
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Abstract
The utility model provides an electrochromic device and contain its electronic terminal. The electrochromic device includes: the color-changing substrate comprises a first substrate layer, a first transparent conducting layer, a solid color-changing layer, a second transparent conducting layer and a second substrate layer which are sequentially stacked; the first transparent conducting layer and/or the second transparent conducting layer are/is provided with a closed pattern area; the closed graphic area consists of a partition area and at least one connecting channel area; at least the outline of the partition area is hollowed; in the first transparent conductive layer and/or the second transparent conductive layer, the region located inside the closed figure region and the region located outside the closed figure region are communicated through the connecting channel region. The utility model provides an electrochromic device can demonstrate approximate confined pattern, realizes the breakpoint compatibility effect of display technology.
Description
Technical Field
The utility model belongs to the technical field of electrochromic, concretely relates to electrochromic device and contain its electron terminal.
Background
Electrochromism refers to a phenomenon that the optical properties of a material are subjected to stable and reversible color change under the action of an external electric field, and the electrochromism shows reversible changes of color and transparency in appearance. Materials having electrochromic properties are called electrochromic materials, and the electrochromic materials can be classified into inorganic electrochromic materials and organic electrochromic materials. The inorganic electrochromic material has the advantages of stability and quick response, such as tungsten trioxide, vanadium pentoxide, nickel oxide, titanium dioxide and the like; the organic electrochromic materials have various types and rich colors, and are convenient to design, such as viologen and polythiophene.
Devices made with electrochromic materials are referred to as electrochromic devices. By selecting different electrochromic materials, electrochromic devices with different colors and different color change ranges can be obtained. The electrochromic device has very important application prospect in the fields of color-changing glasses, electronic display, military hiding, building energy conservation and the like.
A common electrochromic device generally includes a transparent substrate layer, a transparent conductive layer, an electrochromic layer, an electrolyte layer, an ion storage layer, a transparent conductive layer, and a transparent substrate layer, which are sequentially stacked. When voltage is applied, ions are conducted from the ion storage layer to the electrochromic layer through the electrolyte layer, and color change is achieved; when a reverse voltage is applied, ions are conducted from the electrochromic layer through the electrolyte layer into the ion storage layer, and color fading is achieved.
Electrochromic devices may need to be treated in practice to leave areas that do not change color to show a particular pattern, such as to show a manufacturer's logo, or to act as a pass-through area for display or signal light when used in an electrochromic rear view mirror containing a display/signal.
The processing method usually adopted in the prior art is to etch away the material of the corresponding region in one of the transparent conductive layers, and when a voltage is applied, the region cannot form an electric field and cannot change color. However, this processing method is only suitable for non-closed patterns, and if closed patterns are processed by this method, the area closed inside the patterns is disconnected from the area outside the patterns, and the area closed inside the patterns is also not discolored, and thus the problem is to be solved.
SUMMERY OF THE UTILITY MODEL
To the deficiency that prior art exists, the utility model aims to provide an electrochromic device and contain its electronic terminal. The utility model provides an electrochromic device can demonstrate approximate confined pattern, realizes the breakpoint compatibility effect of display technology.
To achieve the purpose, the utility model adopts the following technical proposal:
in a first aspect, the present invention provides an electrochromic device, comprising: the color-changing substrate comprises a first substrate layer, a first transparent conducting layer, a solid color-changing layer, a second transparent conducting layer and a second substrate layer which are sequentially stacked;
the first transparent conducting layer and/or the second transparent conducting layer are/is provided with a closed pattern area;
the closed graphic area consists of a partition area and at least one connecting channel area;
at least the outline of the partition area is hollowed;
in the first transparent conductive layer and/or the second transparent conductive layer, the region located inside the closed figure region and the region located outside the closed figure region are communicated through the connecting channel region.
The utility model discloses in, solid-state discoloration layer is including the ion storage layer, the ion transfer layer and the electrochromic layer that stack gradually, the ion storage layer is range upon range of to first transparent conducting layer.
In the utility model, at least the outline of the partition area is hollowed out, so that the partition area is electrically disconnected; and the areas except the partition areas in the first/second transparent conductive layers can be electrically communicated because the inside and the outside of the closed figure area are communicated through the connecting channel area. When voltage is applied to the first transparent conducting layer and the second transparent conducting layer, the partition area can not form an electric field, the area of the electrochromic device opposite to the partition area can not change color to form an unchanged color area, and the area located inside and outside the closed graph area is electrically communicated with each other to change color to form a color changing area, so that the electrochromic device presents an approximate closed pattern, and the breakpoint compatible effect of the display technology is realized.
The utility model discloses in, the area in connection channel district is less than 15% of the total area in closed figure district, if the area in connection channel district is too big, then can lead to electrochromic device to be difficult to present the effect of approximate closed pattern.
In addition, the existing electrochromic rearview mirror including a display/signal lamp generally adopts a non-laminated electrochromic device (an ion storage material, an ion transfer material and an electrochromic material are mixed together, are in a liquid state or a gel state, and are sealed between two opposite conductive substrates), when a non-discoloring pattern is etched in the non-laminated electrochromic device, because the electrochromic material is in the liquid state or the gel state, even if an electric field cannot be formed in a region of the etching pattern in the conductive layer, the surrounding electrochromic material is discolored firstly and then gradually diffuses to the etching region under the action of the electric field, so that the etching region also begins to discolor, and the discoloring of the etching region is later than that of the non-etching region, thereby forming color residues. And the electrochromic device of the utility model is of a layered structure, the electrochromic layer is solid, and the material of the electrochromic layer can not be diffused, so that the problem of color residue can not be caused.
It should be noted that, in the present invention, the closed pattern region means that the shape of the region is closed, that is, the region other than the closed pattern region is discontinuous.
The utility model discloses in, "outline department fretwork at least" means follow the inside one section region of outline line of wall district does not have first/second transparent conductive layer material, and this department can be the groove of lining up first/second transparent conductive layer, also can be filled by adjacent layer material, also can be filled by other transparent insulating material (like transparent polyacrylate glue). The structure is provided for electrically disconnecting the exclusion zone from other regions in the first/second transparent conductive layer. As a special case, the partition areas can also be completely hollowed out.
In an embodiment of the present invention, the partition area is completely hollow.
When the electrochromic device of the present invention is used for an electrochromic rearview mirror (such as a blind lighting) including a display/signal lamp, the light transmitted by the display or the signal lamp as a light source needs to pass through the rearview mirror assembly from the electrochromic region, and then to the human eye, so that the electrochromic device needs to have a certain contrast. When the contrast ratio is required to be constant, the higher the transmittance of the non-color-changing region is, the lower the intensity required by the corresponding light is, and the smaller the heat generated by the light emission is. Therefore, the utility model discloses well preferred all fretworks of wall district to improve the transmissivity in unchangeable colour zone.
In an embodiment of the present invention, when the first transparent conductive layer has a closed pattern region, in one or at least two of the first substrate layer, the ion storage layer, the ion transfer layer, and the electrochromic layer, a region opposite to the hollow portion of the partition region is completely or partially hollowed out, or a non-through groove is completely or partially provided.
In an embodiment of the present invention, when the second transparent conductive layer has a closed pattern region, in one or at least two of the second substrate layer, the ion storage layer, the ion transfer layer, and the electrochromic layer, a region opposite to the hollow portion of the partition region is completely or partially hollowed out, or a non-through groove is completely or partially provided.
The utility model discloses in, guaranteeing under the circumstances that cuts off district's electricity and break even, the structure in all the other each layers and the relative region of fretwork department that cuts off the district can be various, for example this region can all fretwork, local fretwork, all etch out the groove that the non-link up, or the local groove that the non-link up that etches out. The more the hollow area and the number of layers are, the higher the transmittance of the non-discoloring area is.
In the present invention, the method of forming the hollow structure or the non-through groove is not particularly limited, and for example, the structure may be formed by presetting a mask when each layer is prepared; or after preparing the complete layer, etching by laser to form the structure.
In the utility model, the sequence between the operation of forming the hollow structure or the non-through groove and the operation of compounding each layer is not specially limited, and exemplarily, the structure can be processed on each layer first, and then each layer is compounded, so that the integrity of the device structure is ensured more easily; and each layer can be compounded first, and then the structure is processed, so that the problems of poor surface cleanliness, rough etching edge and the like caused by the structure processed first can be reduced.
In an embodiment of the present invention, the electrochromic device further includes a first substrate disposed outside the first substrate layer, and a second substrate disposed outside the second substrate layer.
In one embodiment of the present invention, the electrochromic device further includes a reflective layer disposed outside the first substrate layer or the second substrate layer;
and the area of the reflecting layer, which is opposite to the closed pattern area, is hollowed.
When the electrochromic device of the present invention is used for electrochromic rearview mirrors (such as blind lighting) including a display/signal lamp, the light emitted from the display or signal lamp is emitted from the hollow area in the reflective layer, so as to realize information transmission, and the hollow area in the reflective layer normally reflects the incident light of the environment.
In one embodiment of the present invention, the electrochromic device further includes a first substrate disposed outside the first substrate layer, and a reflective layer and a second substrate disposed outside the second substrate layer;
the reflection layer is arranged on one side, close to or far away from the second substrate layer, of the second substrate, and the area, opposite to the closed pattern area, of the reflection layer is hollow.
In one embodiment of the present invention, the electrochromic device further includes a second substrate disposed outside the second substrate layer, and a reflective layer and a first substrate disposed outside the first substrate layer;
the reflection layer is arranged on one side, close to or far away from the first substrate layer, of the first substrate, and the area, opposite to the closed pattern area, of the reflection layer is hollow.
In an embodiment of the present invention, the first substrate is connected to the first base layer through a glue layer, and the second substrate is connected to the second base layer through a glue layer.
In an embodiment of the present invention, the electrochromic device further includes a sealing member disposed around the side surface of the electrochromic device.
In the present invention, the electrochromic device is prepared by the existing preparation method, for example, exemplarily by the following preparation method:
(1) forming a transparent conductive layer on a transparent substrate: forming a transparent conductive layer on a transparent substrate by a magnetron sputtering method (or a vacuum evaporation deposition method, a sol-gel method, a chemical vapor deposition method and the like);
(2) coating an electrochromic layer on a transparent conductive layer: dissolving 500mg of poly (3-hexylthiophene) (P3HT) in 10mL of o-xylene, magnetically stirring for 10 hours, then dropping the resulting solution onto an ITO layer (second transparent conductive layer) plated on a second transparent substrate, and spin-coating to form an electrochromic layer;
(3) coating an ion storage layer on the transparent conductive layer: dissolving 500mg of tungsten trioxide in 20mL of deionized water, stirring and filtering, dripping the obtained solution on an ITO layer (first transparent conductive layer) plated on a first transparent substrate, and performing spin coating to form a tungsten trioxide coating to obtain an ion storage layer;
(4) preparing the whole electrochromic device: mixing 20 wt% of lithium perchlorate, 59.9 wt% of methyl methacrylate, 20 wt% of propylene carbonate and 0.1 wt% of azodiisobutyronitrile, and coating the mixture on an ion storage layer to form an electrolyte coating; and then covering the electrochromic material layer (together with the second substrate layer 3) on the electrolyte coating, and carrying out ultraviolet curing to enable the electrolyte coating to form an all-solid-state polymer electrolyte.
In a second aspect, the present invention provides an electronic terminal comprising an electrochromic device according to the first aspect.
In one embodiment of the present invention, the electronic terminal is electrochromic glass, or an electrochromic rear view mirror including a display/signal lamp.
Compared with the prior art, the utility model discloses following beneficial effect has:
the utility model discloses a form the closed figure district including cutting off district and at least one connecting channel district on first transparent conducting layer or the transparent conducting layer of second for be located and can electrically communicate between the inside region of closed figure district and the outside region of closed figure district, can take place to change colour, thereby make electrochromic device demonstrate approximate confined pattern, realize the breakpoint compatible effect of display technology.
Drawings
Fig. 1 is a schematic cross-sectional view of an electrochromic device provided in embodiment 1 of the present invention;
fig. 2 is a schematic structural diagram of a second transparent conductive layer of an electrochromic device provided in embodiment 1 of the present invention;
fig. 3 is a schematic cross-sectional structure diagram of an electrochromic device provided in embodiment 2 of the present invention;
fig. 4 is a schematic structural diagram of a second transparent conductive layer of an electrochromic device provided in embodiment 2 of the present invention;
fig. 5 is a schematic cross-sectional view of an electrochromic device provided in embodiment 3 of the present invention;
fig. 6 is a schematic cross-sectional view of an electrochromic device provided in embodiment 4 of the present invention;
fig. 7 is a schematic cross-sectional view of an electrochromic device provided in embodiment 5 of the present invention;
fig. 8 is a schematic cross-sectional view of an electrochromic device according to embodiment 6 of the present invention;
fig. 9 is a schematic structural diagram of a second transparent conductive layer of an electrochromic device according to embodiment 7 of the present invention;
fig. 10 is a schematic cross-sectional view of an electrochromic device according to embodiment 8 of the present invention;
fig. 11 is a schematic cross-sectional view of an electrochromic device according to embodiment 9 of the present invention;
fig. 12 is a schematic cross-sectional view of an electrochromic device according to embodiment 10 of the present invention;
fig. 13 is a schematic cross-sectional view of an electrochromic device according to embodiment 11 of the present invention;
wherein, 1 is a first basal layer, 2 is a first transparent conducting layer, 3 is an ion storage layer, 4 is an ion transfer layer, 5 is an electrochromic layer, 6 is a second transparent conducting layer, 7 is a second basal layer, 8 is a bonding layer, 81 is a first bonding layer, 82 is a second bonding layer, 9 is a reflecting layer, 10 is a first substrate, 11 is a second substrate, and 12 is a sealing element.
Detailed Description
The technical solution of the present invention is further explained by the following embodiments with reference to the accompanying drawings. It should be understood by those skilled in the art that the specific embodiments described are merely to aid in understanding the present invention and should not be considered as specific limitations of the present invention.
Example 1
The present embodiment provides an electrochromic device, whose structure is as shown in fig. 1, and includes a first substrate layer 1, a first transparent conductive layer 2, an ion storage layer 3, an ion transfer layer 4, an electrochromic layer 5, a second transparent conductive layer 6, and a second substrate layer 7, which are sequentially stacked;
the structure of the second transparent conductive layer 6 is as shown in fig. 2, and has a closed pattern region;
the closed pattern area consists of a partition area and a connecting channel area, and the area of the connecting channel area accounts for 10% of the total area of the closed pattern area.
The outline of the partition area is hollowed;
in the second transparent conductive layer 6, the region inside the closed pattern region and the region outside the closed pattern region are communicated with each other through the connection channel region.
In this embodiment, the hollow structure is formed before the layers of the electrochromic device are combined, so that the integrity of the device structure is easily ensured. The hollow structure can be formed by presetting a mask when each layer is prepared; or after preparing the complete layer, forming by laser etching.
In the embodiment, the outline of the partition area is hollow, so that the partition area is electrically disconnected, and the area corresponding to the electrochromic device and the partition area does not change color; and the areas positioned inside and outside the closed graph area can be electrically communicated through the connecting channel area, and the electrochromic device and the area corresponding to the area can change colors, so that the electrochromic device presents an approximately closed pattern, and the breakpoint compatible effect of the display technology is realized.
Example 2
The present embodiment provides an electrochromic device, whose structure is as shown in fig. 3, and includes a first substrate layer 1, a first transparent conductive layer 2, an ion storage layer 3, an ion transfer layer 4, an electrochromic layer 5, a second transparent conductive layer 6, and a second substrate layer 7, which are sequentially stacked;
the second transparent conductive layer 6 has a structure as shown in fig. 4, and has a closed pattern region;
the closed graphic area consists of a partition area and a connecting channel area, and the area of the connecting channel area accounts for 10% of the total area of the closed graphic area;
the partition areas are all hollowed out;
in the second transparent conductive layer 6, the region inside the closed pattern region and the region outside the closed pattern region are communicated with each other through the connection channel region.
Compared with the embodiment 1, the embodiment has the advantages that the structure that all partition areas are hollowed out is formed, the breakpoint compatible effect of the display technology is achieved, meanwhile, the light transmittance of the electrochromic device in the invariable color area is improved, and when the electrochromic device is used for an electrochromic rearview mirror comprising a display/signal lamp, the reduction of the luminous intensity required by the display or the signal lamp is facilitated.
Example 3
This embodiment provides an electrochromic device, whose structure is shown in fig. 5, and the only difference from embodiment 1 is that the region of the second substrate layer 7 opposite to the hollow part of the partition region is also hollow.
In this embodiment, the hollow structure is formed after the structures of the layers of the electrochromic device are combined, and may be formed by, for example, etching inward from the outer side of the second substrate layer 7 by laser etching.
Compared with the embodiment 1, the hollow structure is formed after the layers of the electrochromic device are compounded, so that the problems of poor surface cleanliness, rough etching edge and the like caused by the fact that the hollow structure is formed first and then the layers are compounded are solved while the breakpoint compatible effect of the display technology is achieved.
Example 4
This example provides an electrochromic device having a structure as shown in fig. 6, which is different from example 2 only in that the second substrate layer 7 is also completely hollowed out in the region facing the partition region.
In this embodiment, the hollow structure may be formed before each layer of the electrochromic device is compounded, so that the integrity of the device structure is easily ensured; or the composite material can be formed after the layers of the electrochromic device are compounded, which is beneficial to reducing the problems of poor surface cleanliness, rough etching edge and the like caused by the fact that the hollowed-out structure is formed firstly and then the layers are compounded.
Compared with the embodiment 2, in the embodiment, the area of the second substrate layer 7 opposite to the partition area is also completely hollowed out, so that the breakpoint compatible effect of the display technology is realized, and meanwhile, the light transmittance of the non-color-changing area is further improved, and when the electrochromic device is used for an electrochromic rearview mirror comprising a display/signal lamp, the reduction of the luminous intensity required by the display or the signal lamp is facilitated.
Example 5
This embodiment provides an electrochromic device, whose structure is as shown in fig. 7, and the only difference from embodiment 1 is that a non-through groove is partially etched in the second substrate layer 7 in the region opposite to the hollow part of the partition region, and the region opposite to the hollow part of the partition region is also hollow in the electrochromic layer 5.
In this embodiment, the hollow structure and the non-through groove are formed by etching before the layers of the electrochromic device are combined, so that the integrity of the device structure is favorably ensured while the breakpoint compatible effect of the display technology is realized.
Example 6
This embodiment provides an electrochromic device having a structure as shown in fig. 8, which is different from that of embodiment 1 only in that the region of the ion storage layer 3 opposite to the hollowed-out portion of the blocking region is partially hollowed-out, and the regions of the second substrate layer 7, the electrochromic layer 5, and the ion transfer layer 4 opposite to the hollowed-out portion of the blocking region are hollowed-out.
In this embodiment, the hollow structure is formed after the structures of the layers of the electrochromic device are combined, so that the problems of poor surface cleanliness, rough etching edge and the like caused by firstly forming the hollow structure and then combining the layers are favorably reduced while the breakpoint compatible effect of the display technology is realized.
The embodiment of the utility model provides an in, also can set up in first transparent conducting layer 2 the structure in closed figure district can make electrochromic device demonstrate approximate confined pattern equally, realizes the breakpoint compatible effect of display technology.
When the first transparent conductive layer 2 has a closed figure region, the electrochromic device may be configured as: in one or at least two layers of the first substrate layer 1, the ion storage layer 3, the ion transfer layer 4 and the electrochromic layer 5, the area opposite to the hollowed-out part of the partition area is wholly or partially hollowed out, or a non-through groove is wholly or partially arranged.
When the second transparent conductive layer 6 has a closed figure region, the electrochromic device may be further configured as: in one or at least two layers of the second substrate layer 7, the ion storage layer 3, the ion transfer layer 4 and the electrochromic layer 5, the area opposite to the hollowed-out part of the partition area is wholly or partially hollowed out, or a non-through groove is wholly or partially arranged. The embodiment of the utility model provides an no longer give unnecessary details.
Example 7
This example provides an electrochromic device which differs from example 2 only in that the structure of the second transparent conductive layer 6 is different, specifically as shown in fig. 9, in which the closed figure region is composed of a blocking region and four connecting channel regions, and the area of each of the connecting channel regions accounts for 3% of the total area of the closed figure region.
Compared with the embodiment 1, the embodiment can reduce the resistance between the inner area and the outer area of the closed graph area by arranging the closed graph area structure with the plurality of connecting channel areas, is favorable for the color change of the inner area of the closed graph area, and better realizes the breakpoint compatible effect of the display technology.
Example 8
This embodiment provides an electrochromic device having a structure as shown in fig. 10, which is different from embodiment 1 only in that it further includes a reflective layer 9 disposed outside the first substrate layer 1; the reflecting layer 9 is an Ag plating layer and is arranged outside the first substrate layer 1 through a deposition method;
the region of the reflective layer 9 opposite to the closed pattern region is completely hollowed out.
The electrochromic device provided by the embodiment can be used for an electrochromic rearview mirror (such as a blind spot) comprising a display/signal lamp, light emitted by the display or the signal lamp is emitted from the hollowed-out area in the reflecting layer 9, information transmission is realized, and the non-hollowed-out area in the reflecting layer normally reflects light incident in the environment.
Example 9
This embodiment provides an electrochromic device, whose structure is as shown in fig. 11, and the only difference from embodiment 2 is that it further includes a reflective layer 9 disposed outside the second substrate layer 7, the reflective layer 9 is an Ag plating layer, which is disposed outside the second substrate layer 7 by a deposition method;
the region of the reflective layer 9 opposite to the closed pattern region is completely hollowed out.
The electrochromic device provided by the embodiment can be used for an electrochromic rearview mirror (such as a blind spot) comprising a display/signal lamp, light emitted by the display or the signal lamp is emitted from the hollowed-out area in the reflecting layer 9, information transmission is realized, and the non-hollowed-out area in the reflecting layer normally reflects light incident in the environment.
Example 10
This example provides an electrochromic device, the structure of which is shown in fig. 12, and the difference from example 2 is that:
the reflective layer 9 is arranged on one side of the first substrate 10 close to the first substrate layer 1, and the first substrate layer 1 and the reflective layer 9 are arranged on the outer side of the first substrate layer 1; the reflecting layer 9 is an Ag plating layer, and is arranged on the outer side of the first substrate layer 1 by a deposition method, and the first substrate layer 1 and the reflecting layer 9 are bonded by a first bonding layer 81;
the second substrate 11 is arranged on the outer side of the second base layer 7, and the second base layer 7 and the second substrate 11 are bonded through a second bonding layer 82;
the sealing element 12 is arranged around the side surface of the electrochromic device;
and the area of the electrochromic layer 5 opposite to the partition area is completely hollow, and the area of the reflective layer 9 opposite to the closed pattern area is completely hollow.
The electrochromic device provided by the embodiment can be used for an electrochromic rearview mirror (such as a blind spot) comprising a display/signal lamp, light emitted by the display or the signal lamp is emitted from the hollowed-out area in the reflecting layer 9, information transmission is realized, and the non-hollowed-out area in the reflecting layer normally reflects light incident in the environment.
Example 11
This example provides an electrochromic device, the structure of which is shown in fig. 13, and the difference from example 2 is that:
the substrate is characterized by further comprising a first substrate 10 arranged on the outer side of the first base layer 1 and a second substrate 11 arranged on the outer side of the second base layer 7, wherein the first base layer 1 and the first substrate 10 are bonded through a first bonding layer 81; the second base layer 7 and the second substrate 11 are bonded by a second adhesive layer 82;
the sealing element 12 is arranged around the side surface of the electrochromic device;
and the area of the electrochromic layer 5 opposite to the partition area is completely hollow.
The electrochromic device provided by the embodiment can realize the breakpoint compatible effect of the display technology, can be used for electrochromic glass, and the invariant color area of the electrochromic device is used for displaying patterns such as logo.
It should be noted that the present invention provides an electrochromic device that can include one or more closed invariant color regions, and the embodiment of the present invention only exemplarily shows a closed invariant color region, and when the electrochromic device includes a plurality of closed invariant color regions, each closed invariant color region can independently adopt the structure of any one closed invariant color region in the embodiment of the present invention.
The applicant states that the above description is only a specific embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and those skilled in the art should understand that any changes or substitutions easily conceivable by those skilled in the art within the technical scope of the present invention are within the protection scope and the disclosure scope of the present invention.
Claims (13)
1. An electrochromic device, characterized in that it comprises: the color-changing substrate comprises a first substrate layer, a first transparent conducting layer, a solid color-changing layer, a second transparent conducting layer and a second substrate layer which are sequentially stacked;
the first transparent conducting layer and/or the second transparent conducting layer are/is provided with a closed pattern area;
the closed graphic area consists of a partition area and at least one connecting channel area;
at least the outline of the partition area is hollowed;
in the first transparent conductive layer and/or the second transparent conductive layer, the region located inside the closed figure region and the region located outside the closed figure region are communicated through the connecting channel region.
2. The electrochromic device according to claim 1, characterized in that the solid-state coloration layer comprises an ion storage layer, an ion transfer layer and an electrochromic layer, which are stacked in this order, the ion storage layer being stacked onto the first transparent conductive layer.
3. The electrochromic device according to claim 1, characterized in that the exclusion zone is completely hollowed out.
4. The electrochromic device according to claim 1, characterized in that the area of the connecting channel region is less than 15% of the total area of the closed figure regions.
5. The electrochromic device according to claim 2, wherein the first transparent conductive layer has a closed pattern region, and a region of one or at least two of the first substrate layer, the ion storage layer, the ion transfer layer and the electrochromic layer, which is opposite to the hollow part of the partition region, is completely or partially hollow, or is completely or partially provided with a non-through groove.
6. The electrochromic device according to claim 2, wherein the second transparent conductive layer has a closed pattern region, and a region of one or at least two of the second substrate layer, the ion storage layer, the ion transfer layer and the electrochromic layer, which is opposite to the hollow part of the partition region, is completely or partially hollow, or is completely or partially provided with a non-through groove.
7. The electrochromic device according to claim 1, further comprising a first substrate disposed outside the first base layer, and a second substrate disposed outside the second base layer.
8. The electrochromic device according to claim 1, further comprising a reflective layer disposed outside the first or second substrate layer;
and the area of the reflecting layer, which is opposite to the closed pattern area, is hollowed.
9. The electrochromic device according to claim 1, further comprising a first substrate disposed outside the first base layer, and a reflective layer and a second substrate disposed outside the second base layer;
the reflection layer is arranged on one side, close to or far away from the second substrate layer, of the second substrate, and the area, opposite to the closed pattern area, of the reflection layer is hollow.
10. The electrochromic device according to claim 1, further comprising a second substrate disposed outside the second base layer, and a reflective layer and a first substrate disposed outside the first base layer;
the reflection layer is arranged on one side, close to or far away from the first substrate layer, of the first substrate, and the area, opposite to the closed pattern area, of the reflection layer is hollow.
11. The electrochromic device according to claim 9 or 10, characterized in that the first substrate is connected to the first base layer by means of a glue layer and the second substrate is connected to the second base layer by means of a glue layer.
12. The electrochromic device according to any of claims 7-10, further comprising a sealing member disposed around the sides of the electrochromic device.
13. An electronic terminal, characterized in that it comprises an electrochromic device according to any one of claims 1-12.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022403242.9U CN214427710U (en) | 2020-10-26 | 2020-10-26 | Electrochromic device and electronic terminal comprising same |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022403242.9U CN214427710U (en) | 2020-10-26 | 2020-10-26 | Electrochromic device and electronic terminal comprising same |
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| CN214427710U true CN214427710U (en) | 2021-10-19 |
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| CN202022403242.9U Active CN214427710U (en) | 2020-10-26 | 2020-10-26 | Electrochromic device and electronic terminal comprising same |
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