Reflecting device, reflecting device manufacturing method and vehicle

Abstract

The invention discloses a reflecting device, a reflecting device manufacturing method and a vehicle. The reflecting device comprises a first transparent substrate, a transparent conductive layer, a second transparent substrate, a reflecting layer, a sealant and a dimming composition, the reflecting layer faces the transparent conducting layer; the dimming composition is arranged between the reflecting layer and the transparent conductive layer, the sealant is connected between the first transparent substrate and the second transparent substrate, and a cavity is defined by the sealant, the transparent conductive layer and the reflecting layer; the dimming composition is arranged in the cavity, and the sealant comprises filling particles with the dielectric constant larger than or equal to 20. The breakdown voltage of an electric field formed by the reflecting layer and the transparent conducting layer can be improved, then the electrochemical stability of the filling particles under the action of the electric field can be improved, the reflecting reliability of the reflecting device can be further improved, and the service life of the reflecting device is prolonged.

Description

Technical Field

[0001] The present application relates to the technical field of reflectors, and in particular to a reflective device, a method for manufacturing a reflective device, and a vehicle. Background Art

[0002] A reflector is an optical element with a smooth surface and the ability to reflect light. In order to make the reflector adapt to more application scenarios, some reflectors can adjust the reflectivity.

[0003] The reflectivity automatic adjustment reflector is mainly made of organic small molecule composites. Under the action of voltage, the organic small molecules between the transparent conductive layer and the reflective layer undergo electrochemical redox reactions, change the molecular structure, absorb visible light, and thus adjust the reflectivity of the device. At present, the breakdown voltage between the transparent conductive layer and the reflective layer is low, which easily makes the dimming performance of the reflector unstable. Summary of the invention

[0004] The technical problem to be solved by the embodiments of the present application is to provide a reflective device with controllable reflectivity and high stability, a reflective device manufacturing method and a vehicle.

[0005] In a first aspect, the present application provides a reflective device, comprising:

[0006] A first transparent substrate including a first surface and a second surface opposite to each other;

[0007] A transparent conductive layer, disposed on the second surface;

[0008] A second transparent substrate including a third surface and a fourth surface facing each other;

[0009] A reflective layer, disposed on the third surface, the reflective layer facing the transparent conductive layer;

[0010] A sealing colloid, wherein the sealing colloid is connected between the first transparent substrate and the second transparent substrate, and the sealing colloid, the transparent conductive layer and the reflective layer form a cavity; the sealing colloid comprises filling particles with a dielectric constant greater than or equal to 20;

[0011] The dimming composition is arranged in the cavity.

[0012] In combination with the first aspect, in a possible implementation manner, the dielectric constant of the filling particles is 25-150.

[0013] In combination with the first aspect, in a possible implementation manner, the filling particles include one or more of lead titanate, barium titanate, lanthanum titanate, titanium oxide, and zirconium oxide.

[0014] In combination with the first aspect, in a possible implementation manner, the sealing colloid is hollow along the thickness direction, and two end surfaces of the sealing colloid along the thickness direction are respectively connected to the transparent conductive layer and the reflective layer.

[0015] In combination with the first aspect, in a possible implementation manner, the sealing colloid includes a first sealant and a second sealant, and the first sealant and the second sealant are combined to form the sealing colloid.

[0016] In combination with the first aspect, in a possible implementation manner, the filling particles are in any one of a rectangular parallelepiped, a cube, a sphere, and a cylinder.

[0017] In combination with the first aspect, in a possible implementation, the first transparent substrate includes one of glass, acrylic, and polyvinyl chloride, the second transparent substrate includes one of glass, acrylic, and polyvinyl chloride, and the visible light transmittance of the first transparent substrate and the second transparent substrate is greater than or equal to 80%.

[0018] In combination with the first aspect, in a possible implementation, the transparent conductive layer includes at least one of ITO, CTO, ZnO, and InO; and / or the thickness of the transparent conductive layer is 50nm-500nm; and / or the visible light transmittance of the transparent conductive layer is greater than or equal to 80%.

[0019] In combination with the first aspect, in a possible implementation, the reflective layer includes one of silver, silver alloy, aluminum, aluminum alloy, chromium and chromium alloy; and / or the thickness of the reflective layer is 10nm-500nm; and / or the reflectivity of the reflective layer is greater than or equal to 70%.

[0020] In combination with the first aspect, in a possible implementation, the reflective device further includes a transition layer, wherein the transition layer is disposed between the reflective layer and the third surface, and the transition layer includes at least one of SiO, TiO, Nb2O5, and Al2O3.

[0021] In combination with the first aspect, in a possible implementation manner, the reflective device further includes a first electrode sheet and a second electrode sheet, the first electrode sheet is electrically connected to the transparent conductive layer, and the second electrode sheet is electrically connected to the reflective layer.

[0022] In combination with the first aspect, in a possible implementation, the surface of the transparent conductive layer facing the first transparent substrate includes a contact area in contact with the second surface and a recessed area recessed in a direction away from the second surface, the recessed area surrounds the contact area, the recessed area is spaced from the second surface, a decorative layer is arranged between the recessed area and the second surface, and the reflectivity of the decorative layer is greater than or equal to 50%.

[0023] In a second aspect, the present application provides a method for manufacturing a reflective device, comprising:

[0024] Providing a first transparent substrate, wherein the first transparent substrate comprises a first surface and a second surface disposed opposite to each other, and a transparent conductive layer is disposed on the second surface;

[0025] Providing a second transparent substrate, wherein the second transparent substrate comprises a third surface and a fourth surface disposed opposite to each other, and a reflective layer is disposed on the third surface;

[0026] The transparent conductive layer faces the reflective layer, and the transparent conductive layer is spaced apart from the reflective layer;

[0027] A sealing colloid is formed between the first transparent substrate and the second transparent substrate. The sealing colloid, the transparent conductive layer and the reflective layer form a cavity, and a dimming composition is poured into the cavity. The sealing colloid includes filling particles with a dielectric constant greater than or equal to 20.

[0028] In combination with the second aspect, in a possible implementation manner, providing a reflective layer on the third surface includes:

[0029] Disposing a transition layer on the third surface;

[0030] A reflective layer is disposed on the surface of the transition layer away from the second transparent substrate.

[0031] In combination with the second aspect, in a possible implementation, the sealant includes a first sealant and a second sealant, the sealant is formed between the first transparent substrate and the second transparent substrate, the sealant, the transparent conductive layer, and the reflective layer form a cavity, and a dimming composition is poured into the cavity, including:

[0032] A first sealant is disposed between the first transparent substrate and the second transparent substrate, the first sealant connects the first transparent substrate and the second transparent substrate, and the first sealant and the transparent conductive layer and the reflective layer form a cavity with an opening;

[0033] pouring a dimming composition into the cavity through the opening;

[0034] A second sealant is disposed between the first transparent substrate and the second transparent substrate to seal the opening, and the second sealant connects the first transparent substrate and the second transparent substrate.

[0035] In a third aspect, the present application discloses a vehicle, wherein the vehicle comprises the reflective device as described in the first aspect.

[0036] In the present application, a sealing colloid connects a first transparent substrate and a second transparent substrate, and the sealing colloid has filling particles, and the dielectric constant of the filling particles is greater than or equal to 20, which can increase the breakdown voltage of the electric field formed by the reflective layer and the transparent conductive layer, and further increase the electrochemical stability of the filling particles under the action of the electric field, and further improve the reflection reliability of the reflective device and extend the service life of the reflective device. BRIEF DESCRIPTION OF THE DRAWINGS

[0037] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the background technology, the drawings required for use in the embodiments of the present application or the background technology will be described below.

[0038] Figure 1 A cross-sectional view of a transmitting mirror device provided in Example 1 of the present application;

[0039] Figure 2 A top view of a emitting mirror device provided in Example 1 of the present application without the first transparent substrate and the transparent conductive layer;

[0040] Figure 3 A cross-sectional view of a transparent conductive layer provided in Example 1 of the present application;

[0041] Figure 4 A schematic flow chart of a method for manufacturing a emitting mirror device provided in Example 2 of the present application.

[0042] Description of reference numerals:

[0043] 10. first transparent substrate; 11. first surface; 12. second surface;

[0044] 20. transparent conductive layer; 21. contact area; 22. recessed area;

[0045] 30. second transparent substrate; 31. third surface; 32. fourth surface;

[0046] 40. Reflection layer;

[0047] 50. Dimming composition;

[0048] 60. Transition layer;

[0049] 70. Sealing colloid; 71. First sealing glue; 72. Second sealing glue;

[0050] 80. Decorative layer;

[0051] 90. A first electrode sheet;

[0052] 100. A second electrode sheet. DETAILED DESCRIPTION

[0053] A reflector is an optical element with a smooth surface and the ability to reflect light. It is a very important item in life and science. The most common mirrors used for grooming in life, rearview mirrors used in cars to observe the driving status of vehicles behind, reflecting telescopes, etc. are all reflectors.

[0054] In order to adapt the reflector to more application scenarios, some reflectors can adjust the reflectivity. The reflectivity automatically adjustable reflector is mainly made of organic small molecule composites. Under the action of voltage, the organic small molecules between the transparent conductive layer and the reflective layer undergo electrochemical redox reactions, change the molecular structure, absorb visible light, and thus adjust the reflectivity of the device. At present, the breakdown voltage between the transparent conductive layer and the reflective layer is low, which easily makes the dimming performance of the reflector unstable.

[0055] In order to make the objectives, technical solutions and advantages of the present application clearer, the present application will be further described in detail below in conjunction with the accompanying drawings.

[0056] The present application discloses a reflective device, a method for manufacturing a reflective device, and a vehicle, wherein the vehicle includes a reflective device, the reflective device can reflect incident light, and the reflective mirror can be used as a rearview mirror of the vehicle to facilitate the driver to observe the situation behind the vehicle through the rearview mirror when driving the vehicle. The vehicle can be, but is not limited to, a fuel vehicle, an electric vehicle, a motorcycle, and an electric power-assisted vehicle.

[0057] See also Figure 1-Figure 2 The reflective device includes a first transparent substrate 10 , a second transparent substrate 30 , a transparent conductive layer 20 , a reflective layer 40 , a sealing colloid 70 and a dimming composition 50 .

[0058] The first transparent substrate 10 includes a first surface 11 and a second surface 12 disposed back to back along the thickness direction. The first transparent substrate 10 includes at least one of glass, acrylic, and polyvinyl chloride. The visible light transmittance of the first transparent substrate 10 is greater than or equal to 80%. It should be noted that there may be an error in the visible light transmittance of the first transparent substrate 10, wherein the visible light transmittance of the first transparent substrate 10 may have an error of 10%. For example, in practical applications, the visible light transmittance of the first transparent substrate 10 may be set to 72% and above. Among them, the present application does not limit the specific thickness of the first transparent substrate 10. The first transparent substrate 10 has a high visible light transmittance, so that most of the incident light can pass through the first transparent substrate 10.

[0059] The second transparent substrate 30 includes a third surface 31 and a fourth surface 32 disposed back to back along the thickness direction. The second transparent substrate 30 includes at least one of glass, acrylic, and polyvinyl chloride, and the visible light transmittance of the second transparent substrate 30 is greater than or equal to 80%. It should be noted that the visible light transmittance of the second transparent substrate 30 may have an error, wherein the visible light transmittance of the second transparent substrate 30 may have an error of 10%. For example, in practical applications, the visible light transmittance of the second transparent substrate 30 may be set to 72% and above. Among them, the present application does not limit the specific thickness of the second transparent substrate 30.

[0060] The transparent conductive layer 20 is disposed on the second surface 12, and the transparent conductive layer 20 includes at least one of ITO (indium tin oxide), CTO (cadmium tin oxide), ZnO (zinc oxide), and InO (indium oxide). It should be noted that the material of the transparent conductive layer 20 can be any one of ITO, CTO, ZnO, and InO, and the material of the transparent conductive layer 20 can also be a combination of multiple materials of ITO, CTO, ZnO, and InO. The thickness of the transparent conductive layer 20 is 50nm-500nm, wherein the thickness of the transparent conductive layer 20 may have an error of 10%, for example, the actual thickness of the transparent conductive layer 20 may be set to 45nm-550nm. The visible light transmittance of the transparent conductive layer 20 is greater than or equal to 80%, which can facilitate the incident light to pass through the transparent conductive layer 20. Among them, the visible light transmittance of the transparent conductive layer 20 may have an error of 10%. For example, in practical applications, the visible light transmittance of the transparent conductive layer 20 is set to 72% or more. The square resistance of the transparent conductive layer 20 is less than or equal to 30Ω. The square resistance of the transparent conductive layer 20 may have an error of 10%. In practical applications, the square resistance of the transparent conductive layer 20 may be less than or equal to 33Ω.

[0061] The reflective layer 40 is disposed on the third surface 31. It should be noted that the reflective layer 40 disposed on the third surface 31 may be disposed directly on the third surface 31, or may be disposed indirectly on the third surface 31. The reflective layer 40 includes one of silver, silver alloy, aluminum, aluminum alloy, chromium and chromium alloy, wherein the thickness of the reflective layer 40 may be set to 10nm-500nm, and the thickness of the reflective layer 40 may have a thickness of 10%, for example, the actual thickness of the reflective layer 40 may be set to 9nm-550nm. The reflectivity of the reflective layer 40 is greater than or equal to 70%, specifically, the reflectivity of the reflective layer 40 may have an error of 10%, for example, the actual reflectivity of the reflective layer 40 may be greater than 63%, and the reflective layer 40 can be used to reflect incident light. The higher reflectivity of the reflective layer 40 can reflect most of the incident light irradiated on the reflective layer 40. The square resistance of the reflective layer 40 is less than or equal to 10Ω. The square resistance of the reflective layer 40 may have an error of 10%. In practical applications, the square resistance of the reflective layer 40 may be less than or equal to 11Ω.

[0062] In the embodiment provided in the present application, the reflective layer 40 faces the transparent conductive layer 20, the reflective layer 40 is spaced apart from the transparent conductive layer 20, the transparent conductive layer 20 can be connected to the positive electrode of the power supply, and the reflective layer 40 can be electrically connected to the negative electrode of the power supply. The transparent conductive layer 20 is connected to the positive electrode of the power supply, and the reflective layer 40 is connected to the negative electrode of the power supply, so that an electric field can be formed.

[0063] The sealant 70 is connected between the first transparent substrate 10 and the second transparent substrate 30, and forms a cavity with the transparent conductive layer 20 and the reflective layer 40. The cavity is used to accommodate the dimming composition 50, and the dimming composition is used to adjust the reflectivity of the incident light.

[0064] The sealant 70 includes glue and filling particles. The glue may be a thermosetting glue. The sealant 70 may also be a light-curing or thermosetting glue. Specifically, the glue includes but is not limited to phenolic, epoxy, polyaminophenol, unsaturated polyester, heterocyclic polymer, unsaturated polyester, polyacid acrylate, epoxy acrylate, and polyurethane acrylate. The dielectric constant of the glue may be 2-4.

[0065] The dielectric constant of the filling particles is greater than or equal to 20, which can increase the breakdown voltage of the electric field formed by the reflective layer 40 and the transparent conductive layer 20, thereby increasing the electrochemical stability of the dimming composition under the action of the electric field, further increasing the reflection reliability of the reflective device, and extending the service life of the reflective device. It should be noted that the dielectric constant of the filling particles may have an error of 10%, and the actual dielectric constant of the filling particles may be 18 or above.

[0066] The dielectric constant of the filling particles can be 25-150, and the material of the filling particles can be one of lead titanate, barium titanate, lanthanum titanate, titanium oxide and zirconium oxide. The material of the filling particles can also be a combination of multiple ones of lead titanate, barium titanate, lanthanum titanate, titanium oxide and zirconium oxide.

[0067] In some embodiments, the sealing colloid is doped with filling particles with different dielectric constants, and the voltage resistance between the transparent conductive layer and the reflective layer in the reflective device is different, as shown in the table below. In the table, when the sealing colloid is doped with filling particles with a dielectric constant of 26, a voltage of 7V is required between the transparent conductive layer and the reflective layer to break down. When the sealing colloid is doped with filling particles with a dielectric constant of 50, a voltage of 12V is required between the transparent conductive layer and the reflective layer to break down. When the sealing colloid is doped with filling particles with a dielectric constant of 1.56, only a voltage of 3V is required between the transparent conductive layer and the reflective layer to break down.

[0068] Dielectric constant of filler particles Withstand voltage performance Example 1 26 7V breakdown failure Example 2 50 12V breakdown failure Comparative Example 1 1.56 3V breakdown failure

[0069] The shape of the filling particles can be any one of a cuboid, a cube, a sphere, and a cylinder. In the sealant 70, the shapes of the filling particles can be the same, and filling particles of different shapes can also exist simultaneously in the sealant 70. Fillers with regular shapes and uniform sizes can be used as supports to effectively ensure uniform thickness of the sealant, thereby ensuring uniform gaps between the first transparent substrate and the second transparent substrate, ensuring stable and uniform electric fields of the positive and negative plates of the device, and uniform and stable reflectivity.

[0070] In the embodiment provided in the present application, when the filling particles are spheres, the size of the filling particles is 30 μm-300 μm, and the filling particles disposed in the glue are uniform in size, which can make the sealing colloid 70 as a whole tend to be flat, thereby improving the stability of the sealing colloid 70 connecting the first transparent substrate 10 and the second transparent substrate 30.

[0071] In the embodiment provided in the present application, in a possible implementation, the transparent conductive layer 20 completely covers the second surface 12, the transition layer 60 completely covers the third surface 31, the reflective layer 40 completely covers the transition layer 60, and the sealant 70 is connected between the transparent conductive layer 20 and the reflective layer 40 to enclose a cavity.

[0072] In the examples provided in this application, see Figure 3The surface of the transparent conductive layer 20 facing the first transparent substrate includes a contact area 21 in contact with the second surface and a recessed area 22 recessed in a direction away from the second surface 12, the recessed area 22 surrounds the contact area 21, the recessed area 22 is spaced from the second surface 12, and a decorative layer 80 is disposed between the recessed area 22 and the second surface 12, and the reflectivity of the decorative layer 80 is greater than or equal to 50%. The reflectivity of the decorative layer 80 is greater than or equal to 50%. Among them, the reflectivity of the decorative layer 80 may have an error of 10%. In practical applications, the reflectivity of the decorative layer 80 may be greater than or equal to 45%. The decorative layer 80 can improve the overall aesthetics of the reflective device on the one hand, and on the other hand, the decorative layer 80 can reduce the light incident on the dimming composition 50 from escaping from the sealant 70.

[0073] In the embodiment provided in the present application, the sealant 70 includes a first sealant 71 and a second sealant 72 , and the first sealant 71 and the second sealant 72 are combined to form the sealant 70 .

[0074] In the embodiment provided in the present application, the dimming composition 50 is in contact with the transparent conductive layer 20 and the reflective layer 40. In other words, if the first transparent substrate 10 and the second transparent substrate 30 are arranged up and down, the dimming composition 50 is arranged on the third surface 31 of the second transparent substrate 30. The dimming composition 50 can support the first transparent substrate 10, thereby improving the stability of the overall structure of the reflective device.

[0075] The dimming composition 50 has a cathode active material and an anode active material. Under the action of an electric field, the dimming composition 50 can undergo an electrochemical redox reaction, causing the molecular structure in the dimming composition 50 to change, thereby increasing the absorption of incident light by the dimming composition 50 and reducing the reflectivity of the reflective device. For example, under the action of an electric field, the dimming composition 50 can change the absorption of incident light. If the dimming composition 50 increases its ability to absorb light under the action of an electric field, the reflectivity of the reflective device can be reduced from more than 60% to less than 15%. It should be noted that when specifically adjusting the reflectivity of the reflective device, the reflectivity of the reflective device can be controlled by adjusting the electric field strength.

[0076] In the embodiment provided in the present application, the reflective device further includes a transition layer 60, which is disposed between the reflective layer 40 and the third surface 31, and the transition layer 60 includes at least one of SiO (silicon monoxide), TiO (indium tin oxide), Nb2O5 (niobium pentoxide), and Al2O3 (aluminum trioxide). It should be noted that the second transparent substrate 30 includes one of glass, acrylic, and polyvinyl chloride, and the reflective layer 40 includes one of silver, silver alloy, aluminum, aluminum alloy, chromium, and chromium alloy. If the reflective layer 40 is directly disposed on the second transparent substrate 30, it is easy to make the connection between the reflective layer 40 and the second transparent substrate 30 unstable. The transition layer 60 includes at least one of SiO, TiO, Nb2O5, and Al2O3. The transition layer 60 can be well attached to the second transparent substrate 30, and the reflective layer 40 can also be well attached to the transition layer 60. By arranging the transition layer 60 on the third surface 31 of the second transparent substrate 30 and then arranging the reflective layer 40 on the transition layer 60, the reflective layer 40 can be more stably arranged on the second transparent substrate 30. The thickness of the transition layer 60 can be 1nm-300nm. In the process of forming the transition layer 60, an error of 10% is allowed. The thickness of the transition layer 60 can be 0.9nm-330nm.

[0077] In the embodiment provided in the present application, the reflective device further includes a first electrode sheet 90 and a second electrode sheet 100, the first electrode sheet 90 is electrically connected to the transparent conductive layer 20, and the second electrode sheet 100 is electrically connected to the reflective layer 40. The first electrode sheet 90 and the second electrode sheet 100 are arranged on the reflective device, so that the reflective device can be conveniently electrically connected to an external power supply. Specifically, the first electrode sheet 90 is connected to the positive electrode of the external power supply, and the second electrode sheet 100 is connected to the negative electrode of the external power supply, so that the transparent conductive layer 20 and the reflective layer 40 form an electric field.

[0078] See also Figure 4 The embodiment of the present application also provides a method for manufacturing a reflective device. The specific structure of the reflective device is described in Example 1. The method includes the following steps:

[0079] S101, providing a first transparent substrate, wherein the first transparent substrate comprises a first surface and a second surface disposed opposite to each other, and a transparent conductive layer is disposed on the second surface;

[0080] The transparent conductive layer is deposited on the second surface by vacuum deposition.

[0081] S102, providing a second transparent substrate, wherein the second transparent substrate comprises a third surface and a fourth surface disposed opposite to each other, and a reflective layer is disposed on the third surface.

[0082] Specifically, in order to stably arrange the reflective layer on the second transparent substrate, a transition layer is vacuum-plated on the third surface, and then the reflective layer is vacuum-plated on the transition layer.

[0083] S103, making the transparent conductive layer face the reflective layer, and making the transparent conductive layer and the reflective layer spaced apart.

[0084] S104, disposing a first sealant between the first transparent substrate and the second transparent substrate, wherein the first sealant connects the first transparent substrate and the second transparent substrate, and the first sealant and the transparent conductive layer and the reflective layer form a cavity with an opening.

[0085] The first sealant can connect the first transparent substrate and the second transparent substrate to improve the connection stability between the first transparent substrate and the second transparent substrate.

[0086] When the first sealant is provided, glue can be dispensed on the third surface or the reflective layer of the second transparent substrate to form an open cavity, and pressure is applied on the first transparent substrate and the second transparent substrate to cure the first sealant.

[0087] S105, pouring a dimming composition into the cavity through the opening.

[0088] The first sealant connects the first transparent substrate and the second transparent substrate to form a cavity for accommodating the control layer. Specifically, the cavity has an opening, and the dimming composition is poured from the opening into the cavity by vacuum pouring.

[0089] S106, disposing a second sealant between the first transparent substrate and the second transparent substrate to seal the opening, wherein the second sealant connects the first transparent substrate and the second transparent substrate.

[0090] The second sealant can seal the opening to limit the dimming composition in the cavity, and can connect the first transparent substrate and the second transparent substrate to improve the connection stability between the first transparent substrate and the second transparent substrate.

[0091] It should be noted that all directional indications in the embodiments of the present application (such as up, down, left, right, front, back, etc.) are only used to explain the relative position relationship, movement status, etc. between the components under a certain specific posture (as shown in the accompanying drawings). If the specific posture changes, the directional indication will also change accordingly.

[0092] In addition, the descriptions of "first", "second", etc. in this application are only for descriptive purposes and cannot be understood as indicating or implying their relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" or "second" may explicitly or implicitly include at least one of the features. In the description of this application, the meaning of "plurality" is at least two, such as two, three, etc., unless otherwise clearly and specifically defined.

[0093] In this application, unless otherwise clearly specified and limited, the terms "connection", "fixation", etc. should be understood in a broad sense. For example, "fixation" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements, unless otherwise clearly defined. For ordinary technicians in this field, the specific meanings of the above terms in this application can be understood according to specific circumstances.

[0094] In addition, the technical solutions between the various embodiments of the present application can be combined with each other, but it must be based on the fact that ordinary technicians in the field can implement it. When the combination of technical solutions is contradictory or cannot be implemented, it should be deemed that such combination of technical solutions does not exist and is not within the scope of protection required by this application.

[0095] The above is only a specific implementation of the present application, but the protection scope of the present application is not limited thereto. Any person skilled in the art who is familiar with the present technical field can easily think of changes or substitutions within the technical scope disclosed in the present application, which should be included in the protection scope of the present application. Therefore, the protection scope of the present application should be based on the protection scope of the claims.

Claims

1. A reflective device, characterized in that: include: A first transparent substrate including a first surface and a second surface opposite to each other; A transparent conductive layer, disposed on the second surface; A second transparent substrate including a third surface and a fourth surface facing each other; A reflective layer, disposed on the third surface, the reflective layer facing the transparent conductive layer; A sealing colloid, wherein the sealing colloid is connected between the first transparent substrate and the second transparent substrate, and the sealing colloid, the transparent conductive layer and the reflective layer form a cavity; the sealing colloid comprises filling particles with a dielectric constant greater than or equal to 20; The dimming composition is arranged in the cavity.

2. The reflective device according to claim 1, characterized in that: The dielectric constant of the filling particles is 25-150.

3. The reflective device according to claim 2, characterized in that: The filling particles include one or more of lead titanate, barium titanate, lanthanum titanate, titanium oxide and zirconium oxide.

4. The reflective device according to any one of claims 1 to 3, characterized in that: The sealing colloid is hollowed out along the thickness direction, and two end surfaces of the sealing colloid along the thickness direction are respectively connected to the transparent conductive layer and the reflective layer.

5. The reflective device according to claim 1, characterized in that: The sealing colloid comprises a first sealing colloid and a second sealing colloid, and the first sealing colloid and the second sealing colloid are combined to form the sealing colloid.

6. The reflective device according to claim 1 or 5, characterized in that: The filling particles are in any one of a cuboid, a cube, a sphere and a cylinder.

7. The reflective device according to claim 1, characterized in that: The filling particles are spherical in shape, and the diameter of the filling particles is 30 μm-300 μm.

8. The reflective device according to claim 1, characterized in that: The first transparent substrate comprises one of glass, acrylic and polyvinyl chloride, the second transparent substrate comprises one of glass, acrylic and polyvinyl chloride, and the visible light transmittance of the first transparent substrate and the second transparent substrate is greater than or equal to 80%.

9. The reflective device according to claim 1, characterized in that: The transparent conductive layer includes at least one of ITO, CTO, ZnO, and InO; and / or the thickness of the transparent conductive layer is 50nm-500nm; and / or the visible light transmittance of the transparent conductive layer is greater than or equal to 80%.

10. The reflective device according to claim 1, characterized in that: The reflective layer includes one of silver, silver alloy, aluminum, aluminum alloy, chromium and chromium alloy; and / or the thickness of the reflective layer is 10nm-500nm; and / or the reflectivity of the reflective layer is greater than or equal to 70%.

11. The reflective device according to claim 10, characterized in that: The reflective device further includes a transition layer, which is disposed between the reflective layer and the third surface, and includes at least one of SiO, TiO, Nb2O5, and Al2O3.

12. The reflective device according to claim 1, characterized in that: The reflective device further includes a first electrode sheet and a second electrode sheet, wherein the first electrode sheet is electrically connected to the transparent conductive layer, and the second electrode sheet is electrically connected to the reflective layer.

13. The reflective device according to claim 1, characterized in that: The surface of the transparent conductive layer facing the first transparent substrate includes a contact area in contact with the second surface and a recessed area recessed in a direction away from the second surface, the recessed area surrounds the contact area, the recessed area is spaced from the second surface, a decorative layer is arranged between the recessed area and the second surface, and the reflectivity of the decorative layer is greater than or equal to 50%.

14. A method for manufacturing a reflective device, characterized in that: include: Providing a first transparent substrate, wherein the first transparent substrate comprises a first surface and a second surface disposed opposite to each other, and a transparent conductive layer is disposed on the second surface; Providing a second transparent substrate, wherein the second transparent substrate comprises a third surface and a fourth surface disposed opposite to each other, and a reflective layer is disposed on the third surface; The transparent conductive layer faces the reflective layer, and the transparent conductive layer is spaced apart from the reflective layer; A sealing colloid is formed between the first transparent substrate and the second transparent substrate. The sealing colloid, the transparent conductive layer and the reflective layer form a cavity, and a dimming composition is poured into the cavity. The sealing colloid includes filling particles with a dielectric constant greater than or equal to 20.

15. The method for manufacturing a reflective device according to claim 14, wherein: The providing a reflective layer on the third surface comprises: Disposing a transition layer on the third surface; A reflective layer is disposed on the surface of the transition layer away from the second transparent substrate.

16. The method for manufacturing a reflective device according to claim 14, wherein: The dimming layer is provided between the transparent conductive layer and the reflective layer, comprising: The sealing colloid comprises a first sealing colloid and a second sealing colloid, the sealing colloid is formed between the first transparent substrate and the second transparent substrate, the sealing colloid, the transparent conductive layer and the reflective layer form a cavity, and a dimming composition is poured into the cavity, comprising: A first sealant is disposed between the first transparent substrate and the second transparent substrate, the first sealant connects the first transparent substrate and the second transparent substrate, and the first sealant and the transparent conductive layer and the reflective layer form a cavity with an opening; pouring a dimming composition into the cavity through the opening; A second sealant is disposed between the first transparent substrate and the second transparent substrate to seal the opening, and the second sealant connects the first transparent substrate and the second transparent substrate.

17. A vehicle, characterized in that: The vehicle comprises a reflecting device as claimed in any one of claims 1-13.

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