WO2020062935A1 - Composant électrochrome, boîtier et dispositif électronique - Google Patents

Composant électrochrome, boîtier et dispositif électronique Download PDF

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Publication number
WO2020062935A1
WO2020062935A1 PCT/CN2019/091051 CN2019091051W WO2020062935A1 WO 2020062935 A1 WO2020062935 A1 WO 2020062935A1 CN 2019091051 W CN2019091051 W CN 2019091051W WO 2020062935 A1 WO2020062935 A1 WO 2020062935A1
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WIPO (PCT)
Prior art keywords
electrode layer
electrochromic
electrochromic device
substrate
layer
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/CN2019/091051
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English (en)
Chinese (zh)
Inventor
杨鑫
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Guangdong Oppo Mobile Telecommunications Corp Ltd
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Guangdong Oppo Mobile Telecommunications Corp Ltd
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Filing date
Publication date
Application filed by Guangdong Oppo Mobile Telecommunications Corp Ltd filed Critical Guangdong Oppo Mobile Telecommunications Corp Ltd
Publication of WO2020062935A1 publication Critical patent/WO2020062935A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/15—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on an electrochromic effect
    • G02F1/153—Constructional details
    • G02F1/155—Electrodes
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/15—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on an electrochromic effect
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/15—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on an electrochromic effect
    • G02F1/153—Constructional details
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/15—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on an electrochromic effect
    • G02F1/163—Operation of electrochromic cells, e.g. electrodeposition cells; Circuit arrangements therefor

Definitions

  • the present application relates to the field of electronic device component preparation, and in particular, to electrochromic devices, housings, and electronic devices.
  • Electrochromism is a phenomenon in which the optical properties (reflectivity, transmittance, absorption, etc.) of a material undergo a stable and reversible color change under the action of an applied electric field. It appears as a reversible change in color and transparency in appearance.
  • electrochromic technology is mainly used in the automotive, construction, and aviation industries. Electrochromic devices usually include two layers of conductive substrate with a color-changing material in between, and the color is changed by applying a voltage.
  • the present application proposes an electrochromic device.
  • the electrochromic device includes: a first electrode layer, a second electrode layer, and an electrochromic layer located between the first electrode layer and the second electrode layer; and a wire, the wire is connected to the first An electrode layer and the second electrode layer, and the wires are located on opposite sides of the electrochromic device, respectively, and are used to apply a voltage to the first electrode layer and the second electrode layer to form The electric field in which the electrochromic layer is discolored. Therefore, the wiring method of the electrochromic device has the advantages of simple wiring, small occupied space, high reliability, etc., and meets the application requirements of electronic equipment.
  • the present application proposes a housing.
  • the casing includes the electrochromic device described above. Therefore, the casing has all the features and advantages of the electrochromic device described above, and details are not described herein again.
  • the area of the casing routing area is small, which has a good appearance effect, and the casing can realize multi-region color change and color change.
  • the present application proposes an electronic device.
  • the electronic device includes the casing described above. Therefore, the electronic device has all the features and advantages of the casing described above, and details are not described herein again.
  • the electronic device has a good appearance effect, and can realize multi-region discoloration and color discoloration, which meets users' needs for colorful appearance.
  • FIG. 1 shows a schematic structural diagram of an electrochromic device according to an example of the present application
  • FIG. 2 shows a schematic structural diagram of an electrochromic device in the prior art
  • FIG. 3 shows a schematic structural diagram of an electrochromic device according to an example of the present application
  • FIG. 4 shows a schematic structural diagram of an electrochromic device according to an example of the present application.
  • FIG. 5 shows a schematic structural diagram of an electrochromic device according to another example of the present application.
  • first electrode layer 100: first electrode layer; 200: electrochromic layer; 300: second electrode layer; 400: wire; 500: flexible circuit board; 600: conductive adhesive; 700: first substrate; 800: second substrate; 900: Frame glue; 10: copper sheet; 20: conductive silver paste.
  • This application is intended to solve at least one of the technical problems in the related technology.
  • the wiring method of the electrochromic device is relatively simple. For example, a copper sheet is directly connected to the conductive substrate, and the conductive substrate is connected to the external control circuit through the copper sheet, thereby realizing the voltage control of the electrochromic device by the control circuit. , And then achieve discoloration.
  • the present application proposes an electrochromic device.
  • the electrochromic device includes: a first electrode layer 100, an electrochromic layer 200, a second electrode layer 300, and a wire 400.
  • the electrochromic layer 200 is disposed between the first electrode layer 100 and the second electrode layer 300, and a wire 400 connects the first electrode layer 100 and the second electrode layer 300 (the wire is not shown in FIG. 1 connecting the second electrode layer Case), the wires 400 are respectively located on opposite sides of the electrochromic device (as shown in FIG. 4), and are used to apply a voltage to the first electrode layer 100 and the second electrode layer 300 to form an electrochromic layer. 200 discolored electric field. Therefore, the wiring method of the electrochromic device has the advantages of simple wiring, small occupied space, high reliability, etc., and meets the application requirements of electronic equipment.
  • an electrochromic device realizes discoloration by forming an electric field between two electrodes, and the electrochromic material reacts under the action of the electric field (such as doping and dedoping of ions). Therefore, the wire 400 is connected to an external circuit through a structure such as a flexible circuit board to form an electric field between the first electrode layer and the second electrode layer. In other words, different voltages need to be applied to the first electrode layer and the second electrode layer to form an electric field for discoloration. Therefore, the first electrode layer and the second electrode layer cannot be directly connected through the same wire.
  • the electrochromic device may include a plurality of wires, one of which is connected to the first electrode layer and the other is connected to the second electrode layer.
  • the current wiring method of electrochromic devices is mostly to directly connect a copper sheet to a conductive substrate, and use the copper sheet for wiring to realize the connection between the conductive substrate and the external control circuit.
  • this connection method needs to first apply a layer of conductive silver paste 20 on the edge of the first electrode layer 100, and then adhere the copper sheet 10 to the conductive silver paste 20 to realize the copper sheet 10 and the first An electrode layer 100 is electrically connected.
  • the space occupied by the copper sheet 10 is relatively large, resulting in a larger area of the wiring area of the electrochromic device.
  • the substrate and the electrode layer on the outer side of the electrochromic device are transparent structures, so that the color of the underlying electrochromic layer can be changed.
  • the aforementioned copper sheet for electrical connection is an opaque structure, so that the area connected to the copper sheet is visible in appearance.
  • the opaque copper sheet affects the appearance of the electrochromic device, and on the other hand, it is obtained through printing ink. When the copper sheet is blocked, the area of the printing ink area will be larger, which causes the electrochromic device to have a wider frame, which affects its appearance.
  • the electrochromic device further includes: a flexible circuit board 500 (as shown in FIG. 1), and the conductive wire 400 is connected to the flexible circuit board 500.
  • a flexible circuit board 500 as shown in FIG. 1
  • the conductive wire 400 is connected to the flexible circuit board 500.
  • two wires can be implemented through the conductive wire and the flexible circuit board. The connection between the electrode layer and the external control circuit.
  • wires are respectively provided at the edges of the two electrode layers, and the wires are electrically connected to the flexible circuit board.
  • the two electrode layers are connected to the external control circuit through the wires and the flexible circuit board.
  • the copper layer is routed from the electrode layer, and the application is routed from the electrode layer through a wire.
  • the space occupied by the wire is small, and the wiring method is simple, the reliability is high, and the wire and The cooperation of the flexible circuit board can further reduce the area of the routing area, so that the casing to which the electrochromic device is applied has a good appearance effect.
  • the flexible circuit board can be bent, which can further reduce the occupied space, and the flexible circuit board Bending to the back of the electrochromic device is beneficial for narrowing the frame of the case.
  • the specific constituent material of the lead 400 is not particularly limited.
  • the lead 400 may be formed of a transparent conductive material, so that the lead is not visible in appearance. This does not affect the appearance of the routing area of the electrochromic device.
  • the wire 400 may be a conductive silver paste having a certain viscosity, and the transmittance of the conductive silver paste may be controlled by controlling the concentration of the silver particles contained in the conductive silver paste and the particle diameter of the silver particles.
  • the conductive wire 400 may be formed of silver nanowires.
  • the silver nanowires can be formed by dispersing the silver nanowires in an organic solvent through processes including, but not limited to, spray coating and printing.
  • the conductive wire 400 may be formed of indium tin oxide (ITO). Therefore, by using the foregoing materials to form a conductive wire, the conductive wire can have good electrical conductivity without affecting the appearance of the routing area of the electrochromic device.
  • the first electrode layer 100 and the second electrode layer 300 may both be formed of a transparent conductive material, so that the color generated by the electrochromic layer can be presented from either side of the electrochromic device .
  • the first electrode layer 100 and the second electrode layer 300 may each be formed of indium tin oxide.
  • the electrochromic layer 200 may be composed of at least one of an inorganic electrochromic material, an organic small molecule electrochromic material, and an organic polymer. Therefore, the electrochromic layer can be formed from the foregoing multiple materials, so that the electrochromic layer has a wider source of materials.
  • the inorganic electrochromic material may be a transition metal oxide, Prussian blue, etc.
  • the organic small molecule electrochromic material may be a violet
  • the organic polymer may be polyaniline, polythiophene, or the like.
  • the lead 400 is electrically connected to the flexible circuit board 500, and the manner of electrically connecting the lead to the flexible circuit is not particularly limited, as long as the two have good electrical connection performance, those skilled in the art Can be designed according to specific circumstances.
  • the lead 400 may be connected to the flexible circuit board 500 through a conductive adhesive 600.
  • the electrochromic device may further include a first substrate 700 and a second substrate 800, wherein the first substrate 700 is disposed on the first electrode layer 100 away from the electrochromic layer 200.
  • the second substrate 800 is disposed on the side of the second electrode layer 300 away from the electrochromic layer 200, and the first substrate 700 and the second substrate 800 are respectively formed of glass or plastic. Therefore, the color of the electrochromic layer can be displayed through the first substrate or the second substrate.
  • the plastic constituting the substrate may be polyethylene terephthalate or polycarbonate.
  • the electrochromic device may further include a frame adhesive 900, which is wrapped around the electrochromic layer 200.
  • the sealant 900 seals the electrochromic layer 200 between the first electrode layer and the second electrode layer. Therefore, the sealant can be used to package the electrochromic device and prevent external environment from affecting the color changing effect of the electrochromic layer.
  • a lead 400 is disposed at an edge of the first electrode layer 100 and extends to the first substrate 700, and a lead 400 is disposed at an edge of the second electrode layer 300 and extends to the second On the substrate 800 (the case where the lead is on the second electrode layer is not shown in the figure). Therefore, the lead has a proper contact area with the substrate and the electrode layer, which prevents the lead from being broken, and the lead has a good conducting performance.
  • wires 400 are respectively disposed at edges of the first electrode layer 100 and the second electrode layer 300.
  • the wires 400 are connected to the flexible circuit board 500 and are connected to the first electrode layer 100.
  • the lead 400 and the lead 400 connected to the second electrode layer 300 are respectively disposed on both sides of the electrochromic device, and are routed from the electrode layer through the lead 400 to realize the connection between the electrode layer and the external control circuit.
  • the wire 400 is connected to the first electrode layer 100 and the second electrode layer 300, respectively, so as to form an electric field for discoloration between the first electrode layer 100 and the second electrode layer 300, that is, the first The electrode layer 100 and the second electrode layer 300 cannot be connected through the same wire 400.
  • FIG. 4 is only for clearly showing the wires connected to the first electrode layer 100 and the wires connected to the second electrode layer 300. Positional relationship, it cannot be understood that the wires on both sides are connected to the first electrode layer 100. In fact, in FIG. 4, the wire 400 on one side is connected to the first electrode layer 100, and the wire 400 on the other side is connected to the second electrode layer 100.
  • the electrode layers 300 are connected, and the second electrode layer 300 is located on a side of the first electrode layer 100 away from the first substrate 700 to form an electric field for changing colors between the two electrode layers.
  • a plurality of wires 400 may be respectively disposed at edges of the first electrode layer 100 and the second electrode layer 300, and the plurality of wires 400 are all connected to the flexible circuit board 500.
  • 400 is configured to apply a voltage to a plurality of regions of the first electrode layer 100 and the second electrode layer 300 (for example, regions A, B, C, D, E, and F shown in FIG. 5) to form a plurality of possible regions.
  • the electric field that causes the electrochromic layer to change color can cause the electrochromic device to achieve large area discoloration or local area discoloration or independent discoloration of multiple areas, so that the electrochromic device has a colorful appearance.
  • the wire 400 is connected to the first electrode layer 100 and the second electrode layer 300, respectively, so as to form an electric field for discoloration between the first electrode layer 100 and the second electrode layer 300, that is, the first An electrode layer 100 and a second electrode layer 300 cannot be connected through the same wire 400.
  • FIG. 5 is only for clearly showing a plurality of wires connected to the first electrode layer 100 and a plurality of wires connected to the second electrode layer 300. The positional relationship between the two wires cannot be understood as the wires on both sides are connected to the first electrode layer 100.
  • multiple wires 400 on one side are connected to the first electrode layer 100, and the other side A plurality of wires 400 are connected to the second electrode layer 300.
  • the second electrode layer 300 is located on a side of the first electrode layer 100 away from the first substrate 700 to form an electric field for changing colors between the two electrode layers.
  • the number of wires 400 may be configured according to the number of partitions of the color changing region of the electrochromic device, so as to achieve independent control of multiple color changing regions of the electrochromic layer, so that the electrochromic device achieves multiple Discoloration of each area.
  • the number of wires connected to the first electrode layer is consistent with the number of discolored regions in the electrochromic device, and the number of wires connected to the second electrode layer is also the same as in the electrochromic device.
  • the number of discolored areas is the same.
  • the flexible circuit board 500 has a bendable characteristic. Therefore, wiring from the electrode layer by using a wire to electrically connect the flexible circuit board can make the frame of the electrochromic device narrower. Keep the contacts of the flexible circuit board and the wires.
  • the transparency of the flexible circuit board 500 is greater than that of the copper sheet. Therefore, the contact between the flexible circuit board and the wires is more transparent, that is, the frame portion viewed from the upper surface of the electrochromic device can be more transparent.
  • the flexible circuit board 500 has flexibility. Compared with a copper sheet, the flexible circuit board 500 can be bent to the back of the electrochromic device except for a portion other than the contact point with the lead 400, and therefore, the electrochromic The bezel of the device can be narrower.
  • the electrochromic device may include a plurality of wires 400, and the plurality of wires 400 may be connected to the same flexible circuit board 500, thereby achieving independent color change in multiple regions.
  • multiple wires connected to the first electrode layer are connected to one flexible circuit board, and multiple wires connected to the second electrode layer are connected to another flexible circuit board.
  • each electrode layer only needs to be provided with a flexible circuit board (as shown in FIG. 5), and a plurality of independent connection points can be provided on the flexible circuit board, and the above connection points are respectively connected to the areas of the electrode layer. Wire connection can realize separate control of multiple areas, save space, and achieve independent color change in multiple areas.
  • the electrochromic device of the present application has a simpler wiring method, a smaller footprint, a narrower frame, and can achieve independent color change in multiple regions, satisfying users. The need for a colorful look.
  • the flexible circuit board 500 is electrically connected to a plurality of wires 400 through a conductive adhesive 600, and the flexible circuit board 500 is simultaneously connected to an external control circuit.
  • Different control circuits control different wires 400 to achieve multiple Independent control of each area, thereby achieving independent discoloration of multiple areas.
  • the above multiple wires 400 and multiple control circuits can be connected to the same flexible circuit board, occupying a small space, and can achieve separate control of multiple areas, making it suitable for use in electronic equipment, and beautifying electronics The appearance of the device meets the needs of users for a colorful appearance.
  • the electrochromic device may further include an ink layer (not shown in the figure), and the ink layer is disposed on the first substrate 700 and the second substrate 800
  • the flexible circuit board can be prevented from being visible, and the appearance of the electrochromic device can be beautified.
  • the flexible circuit board 500 is electrically connected to the lead 400, and the rest of the contacts are bent to the back of the electrochromic device, that is, the ink layer is on the first substrate 700 and the second substrate
  • the orthographic projections on 800 respectively cover the orthographic projections of the contacts of the flexible circuit board 500 and the conductive wires 400 on the first substrate 700 and the second substrate 800, respectively.
  • the electrochromic device can be made to have a narrower frame.
  • the present application proposes a housing.
  • the casing includes the electrochromic device described above. Therefore, the casing has all the features and advantages of the electrochromic device described above, and details are not described herein again.
  • the area of the casing routing area is small, which has a good appearance effect, and the casing can realize multi-region color change and color change.
  • the present application proposes an electronic device.
  • the electronic device includes the casing described above. Therefore, the electronic device has all the features and advantages of the casing described above, and details are not described herein again.
  • the electronic device has a good appearance effect, and can realize multi-region discoloration and color discoloration, which meets users' needs for colorful appearance.
  • the electronic device may be any of various types of computer system devices that are mobile or portable and perform wireless communication.
  • the electronic device may be a mobile phone or a smart phone, a portable gaming device, a laptop computer, a personal digital assistant, a portable Internet device, a music player, and a data storage device, other handheld devices, such as a watch, an in-ear headset, and a pendant. , Headphones, etc., the electronic device may also be other wearable devices (such as electronic glasses, electronic clothes, electronic bracelets, electronic necklaces, electronic tattoos, electronic devices or smart watch headsets, etc.). Therefore, the above-mentioned electronic device has a good appearance effect, can realize multi-region color change and color change, and meets users' needs for colorful appearance.
  • first and second are only used to distinguish, and cannot be understood as a limitation on the present application or a difference in importance.
  • the first electrode layer and the second electrode layer are only used to distinguish the two electrode layers, and cannot be understood as a limitation on the location, importance, or material and structure of the electrodes.
  • the first substrate and the second substrate are only used to distinguish the two substrates. For the convenience of description, let the substrate disposed on the side of the first electrode layer away from the electrochromic layer be the first substrate and disposed on the second electrode layer. The substrate away from the electrochromic layer is the second substrate.

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  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Electrochromic Elements, Electrophoresis, Or Variable Reflection Or Absorption Elements (AREA)

Abstract

Composant électrochrome. Le composant électrochrome comprend : une première couche d'électrode (100), une seconde couche d'électrode (300), une couche électrochrome (200) située entre la première couche d'électrode (100) et la seconde couche d'électrode (300), et des fils conducteurs (400), chaque fil conducteur (400) connectant la première couche d'électrode (100) et la seconde couche d'électrode (300); les fils conducteurs (400) sont respectivement situés sur les deux côtés opposés du composant électrochrome et utilisés pour appliquer une tension à la première couche d'électrode (100) et la seconde électrode (300) de manière à former un champ électrique qui peut provoquer une décoloration de la couche électrochrome (200). Par conséquent, la couleur d'un boîtier est modifiée, et une exigence d'utilisateur pour une apparence colorée est satisfaite.
PCT/CN2019/091051 2018-09-30 2019-06-13 Composant électrochrome, boîtier et dispositif électronique Ceased WO2020062935A1 (fr)

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CN201811159883.5 2018-09-30
CN201811159883.5A CN109164660A (zh) 2018-09-30 2018-09-30 电致变色器件、壳体、电子设备

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CN109164660A (zh) * 2018-09-30 2019-01-08 Oppo广东移动通信有限公司 电致变色器件、壳体、电子设备
CN109917971A (zh) * 2019-04-15 2019-06-21 维沃通信科技有限公司 一种触摸屏结构及终端
CN110750022A (zh) * 2019-11-29 2020-02-04 深圳市光羿科技有限公司 一种电致变色器件及其应用
CN113498280B (zh) * 2020-03-18 2023-02-21 北京小米移动软件有限公司 电子设备外壳、电子设备外壳的制造方法及电子设备
CN112363358B (zh) * 2020-11-03 2023-07-07 深圳市光羿科技有限公司 一种导电基材及电致变色器件
CN114637149B (zh) * 2020-12-15 2024-04-19 Oppo广东移动通信有限公司 电子设备、电致变色模组及其制作方法
CN115150488A (zh) * 2021-03-31 2022-10-04 华为技术有限公司 电子设备
EP4383000A4 (fr) * 2021-08-02 2025-08-06 Guangyi Intelligent Tech Suzhou Co Ltd Structure de base conductrice, dispositif électrochromique et appareil électrochromique

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CN109188818A (zh) * 2018-10-16 2019-01-11 Oppo广东移动通信有限公司 电致变色器件及制备方法、壳体、电子设备

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