An electrochromic device, apparatus and end product
By using a frame and an insulating layer to isolate the conductive layer in electrochromic devices, the problem of short circuit between the positive and negative electrodes is solved, simplifying the process and reducing costs.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- SUZHOU SHINWU OPTRONICS TECH CO LTD
- Filing Date
- 2025-09-28
- Publication Date
- 2026-07-14
AI Technical Summary
Existing electrochromic devices are prone to short circuits between the positive and negative electrodes, and laser cutting processes are cumbersome and costly.
A plastic frame is used to isolate the upper and lower conductive layers, and short circuits are avoided through an insulating layer and electrode connection, eliminating the need for laser cutting.
It simplifies the process, reduces production costs, and avoids short circuits between the positive and negative electrodes.
Smart Images
Figure CN224501111U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of electrochromic technology, and in particular to an electrochromic device, apparatus and end product. Background Technology
[0002] Electrochromism refers to the phenomenon that the optical properties (reflectivity, transmittance, absorptivity, etc.) of a material undergo stable and reversible color changes under the influence of an external electric field, which manifests as reversible changes in color and transparency in appearance.
[0003] Existing electrochromic devices typically use laser marking to cut and separate the conductive layers on the corresponding positive and negative electrodes, thus preventing short circuits between the positive and negative electrodes. However, this method is cumbersome and uses expensive laser equipment.
[0004] How to avoid short circuits between positive and negative electrodes without using laser equipment to cut and isolate the conductive layer has become a technical problem that urgently needs to be solved in the industry. Summary of the Invention
[0005] In order to overcome the shortcomings of the existing technology, the purpose of this utility model is to provide an electrochromic device, apparatus and end product that does not require laser cutting to avoid short circuit between the positive and negative electrodes.
[0006] To achieve the above objectives, this application provides an electrochromic device, comprising:
[0007] An upper conductive layer and a lower conductive layer arranged opposite to each other;
[0008] An upper conductive layer covers a lower conductive layer, and a frame is provided in the area where the upper conductive layer is larger than the lower conductive layer.
[0009] A portion of the frame is positioned between the upper conductive layer and the lower conductive layer;
[0010] The orthographic projection of the frame onto the upper conductive layer falls entirely on the upper conductive layer;
[0011] The orthographic projection of the frame onto the lower conductive layer falls on the lower conductive layer;
[0012] The frame, the upper conductive layer, and the lower conductive layer together form a sealed chamber.
[0013] An electrochromic layer is disposed within the cavity;
[0014] An insulating layer and a first electrode connection are provided on the left outer side of the frame. The insulating layer is attached to the side of the upper conductive layer facing downward to the lower conductive layer.
[0015] The first electrode connection portion is disposed between the insulating layer and the lower conductive layer, and the orthographic projection of the insulating layer onto the plane of the lower conductive layer covers the first electrode connection portion.
[0016] A second electrode connection is provided in the area where the upper conductive layer is larger than the lower conductive layer. The second electrode connection is located on the side of the frame facing away from the chamber.
[0017] The electrode connected to the first electrode connection part is opposite to the electrode connected to the second electrode connection part.
[0018] Preferably, the width of the insulating layer is greater than the width of the first electrode connection portion;
[0019] The insulating layer is arranged in strips on the outside of the frame.
[0020] Preferably, both the upper conductive layer and the lower conductive layer are transparent conductive layers.
[0021] Preferably, the central portion of the electrochromic layer is located within the visible area of the electrochromic device;
[0022] The frame is located in the non-visible area of the electrochromic device.
[0023] Preferably, both the first electrode connection portion and the second electrode connection portion are made of conductive silver paste.
[0024] To achieve the above objectives, this application also provides an electrochromic device, including the aforementioned electrochromic device, and further comprising:
[0025] Upper substrate layer and lower substrate layer;
[0026] The upper substrate layer is disposed on the side opposite to the lower conductive layer of the upper conductive layer;
[0027] The lower substrate layer is disposed on the side opposite to the upper conductive layer of the lower conductive layer;
[0028] The frame also extends downwards along the area where the upper conductive layer is larger than the lower conductive layer until it connects with the lower substrate layer.
[0029] Preferably, a first metal layer is provided between the upper substrate layer and the upper conductive layer, and the first metal layer is arranged in a ring shape in the non-visible area of the electrochromic device.
[0030] Preferably, a second metal layer is provided between the lower substrate layer and the lower conductive layer, and the second metal layer covers the lower conductive layer.
[0031] Preferably, both the upper substrate layer and the lower substrate layer are transparent substrates.
[0032] To achieve the above objectives, this application also provides a terminal product including the aforementioned electrochromic device.
[0033] The above technical solution does not require laser cutting to avoid short circuits between the positive and negative electrodes; the process is simpler, saves on laser equipment costs, and reduces production costs; at the same time, the downward extension of the frame directly contacts the side of the lower conductive layer, saving on the insulation layer at that location.
[0034] Other features and advantages of this application will be set forth in the following description, and will be apparent in part from the description, or may be learned by practicing this application. Attached Figure Description
[0035] The accompanying drawings are provided to further illustrate the present application and form part of the specification. Together with the embodiments of the present application, they serve to explain the present application but do not constitute a limitation thereof. In the drawings:
[0036] Figure 1 This is a schematic diagram of the hierarchical structure of an electrochromic device according to an embodiment of this application.
[0037] Figure label:
[0038] 101-Upper substrate layer; 102-First metal layer; 103-Upper conductive layer; 104-Insulating layer; 105-First electrode connection portion; 106-Frame; 107-Electrochromic layer; 108-Second electrode connection portion; 109-Lower conductive layer; 110-Second metal layer; 111-Lower substrate layer. Detailed Implementation
[0039] The preferred embodiments of this application are described below with reference to the accompanying drawings. It should be understood that the preferred embodiments described herein are for illustration and explanation only and are not intended to limit this application.
[0040] Embodiments of this application will now be described in more detail with reference to the accompanying drawings. While some embodiments of this application are shown in the drawings, it should be understood that this application can be implemented in various forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided to provide a more thorough and complete understanding of this application. It should be understood that the drawings and embodiments of this application are for illustrative purposes only and are not intended to limit the scope of protection of this application.
[0041] The term "comprising" and its variations as used herein are open-ended inclusions, meaning "including but not limited to". The term "based on" means "at least partially based on". The term "one embodiment" means "at least one embodiment"; the term "another embodiment" means "at least one additional embodiment"; the term "some embodiments" means "at least some embodiments". Definitions of other terms will be given in the description below.
[0042] It should be noted that the terms "first" and "second" may be used in this application only to distinguish different devices, components or parts, and are not used to define the order of functions performed by these devices, components or parts or their interdependence.
[0043] It should be noted that the terms "one" and "more" used in this application are illustrative rather than restrictive, and those skilled in the art should understand that, unless explicitly stated otherwise in the context, they should be understood as "one or more". "More" should be understood as two or more.
[0044] The electrochromic device of this application includes:
[0045] An upper conductive layer 103 and a lower conductive layer 109 are arranged facing each other;
[0046] The upper conductive layer 103 covers the lower conductive layer 109, and a frame 106 is provided in the area where the upper conductive layer 103 is larger than the lower conductive layer 109.
[0047] A portion of the frame 106 is disposed between the upper conductive layer 103 and the lower conductive layer 109;
[0048] The orthographic projection of the frame 106 onto the upper conductive layer 103 falls entirely on the upper conductive layer 103.
[0049] The orthogonal projection of the frame 106 onto the lower conductive layer 109 falls on the lower conductive layer 109.
[0050] The frame 106, the upper conductive layer 103, and the lower conductive layer 109 together form a sealed chamber.
[0051] An electrochromic layer 107 is disposed within the cavity;
[0052] An insulating layer 104 and a first electrode connection portion are also provided on the left outer side of the frame 106. The insulating layer 104 is attached to the side of the upper conductive layer 103 facing the lower conductive layer 109.
[0053] The first electrode connection portion is disposed between the insulating layer 104 and the lower conductive layer 109, and the orthographic projection of the insulating layer 104 on the plane where the lower conductive layer 109 is located covers the first electrode connection portion 105.
[0054] In the region where the upper conductive layer 103 is larger than the lower conductive layer 109, a second electrode connection portion 108 is also provided. The second electrode connection portion 108 is located on the side of the frame 106 facing away from the chamber.
[0055] The electrode connected to the first electrode connection part is opposite to the electrode connected to the second electrode connection part 108.
[0056] To make the objectives, technical solutions, and advantages of this application clearer, the embodiments of this application will be described in further detail below with reference to the accompanying drawings.
[0057] Example 1
[0058] Figure 1 This is a schematic diagram of the hierarchical structure of the electrochromic device according to an embodiment of this application, such as... Figure 1 As shown, the electrochromic device of this application embodiment includes an upper conductive layer 103 and a lower conductive layer 109 disposed opposite to each other.
[0059] In one exemplary embodiment, the upper conductive layer 103 and the lower conductive layer 109 are arranged in parallel, and the upper conductive layer 103 covers the lower conductive layer 109.
[0060] In one exemplary embodiment, the length and width dimensions of the upper conductive layer 103 are larger than the length and width dimensions of the lower conductive layer 109.
[0061] In one exemplary embodiment, the upper conductive layer 103 and the lower conductive layer 109 can be made of the same material, both of which are transparent conductive layers, for example, both of which are ITO, i.e., indium tin oxide.
[0062] In one exemplary embodiment, a frame 106 is provided in a region where the upper conductive layer 103 is larger than the lower conductive layer 109, such as... Figure 1 As shown.
[0063] In one exemplary embodiment, a portion of the frame 106 is disposed between the upper conductive layer 103 and the lower conductive layer 109, such as... Figure 1 As shown, the frame 106 can be understood as being sandwiched between the upper conductive layer 103 and the lower conductive layer 109. However, the frame 106 extends to the horizontal side of the lower conductive layer 109 in the area where the upper conductive layer 103 is larger than the lower conductive layer 109. For example, the frame 106 wraps around the right side of the lower conductive layer 109.
[0064] In one exemplary embodiment, the orthographic projection of the frame 106 onto the upper conductive layer 103 falls entirely on the upper conductive layer 103.
[0065] In one exemplary embodiment, the orthographic projection of the frame 106 onto the lower conductive layer 109 falls on the lower conductive layer 109.
[0066] In one exemplary embodiment, the frame 106, the upper conductive layer 103, and the lower conductive layer 109 together constitute a sealed chamber.
[0067] In one exemplary embodiment, an electrochromic layer 107 is disposed in the cavity and is attached to the upper conductive layer 103 and the lower conductive layer 109, respectively.
[0068] In one exemplary embodiment, the frame 106 is made of an insulating material.
[0069] In one exemplary embodiment, the electrochromic layer 107 may be formed by curing an electrochromic liquid.
[0070] In one exemplary embodiment, an insulating layer 104 and a first electrode connection portion are further provided on the left outer side of the frame 106, such as... Figure 1 As shown.
[0071] In one exemplary embodiment, the insulating layer 104 is attached to the side of the upper conductive layer 103 facing the lower conductive layer 109.
[0072] In one exemplary embodiment, the first electrode connection portion is disposed between the insulating layer 104 and the lower conductive layer 109.
[0073] In one exemplary embodiment, the orthographic projection of the insulating layer 104 onto the plane of the lower conductive layer 109 covers the first electrode connection portion 105.
[0074] In one exemplary embodiment, the insulating layer 104 is used to electrically insulate the upper conductive layer 103 and the lower conductive layer 109 in the region of the first electrode connection portion 105.
[0075] In one exemplary embodiment, the width of the insulating layer 104 is greater than the width of the first electrode connection portion 105.
[0076] In one exemplary embodiment, the insulating layer 104 is disposed in a strip shape on the outside of the frame 106, such as... Figure 1 As shown.
[0077] In one exemplary embodiment, both the first electrode connection portion and the insulating portion are strip-shaped structures as needed.
[0078] In one exemplary embodiment, a second electrode connection portion 108 is further provided in the region where the upper conductive layer 103 is larger than the lower conductive layer 109.
[0079] In one exemplary embodiment, the second electrode connection portion 108 is disposed on the side of the frame 106 facing away from the chamber, i.e., the right side, as shown below. Figure 1 As shown.
[0080] In one exemplary embodiment, the electrode connected to the first electrode connection portion is opposite to the electrode connected to the second electrode connection portion 108; for example, the first electrode connection portion is connected to the negative electrode, and the second electrode connection portion 108 is connected to the positive electrode.
[0081] In one exemplary embodiment, the second electrode connection portion 108 is, as needed, in the form of a strip.
[0082] In one exemplary embodiment, both the first electrode connection portion and the second electrode connection portion 108 are conductive silver paste.
[0083] In one exemplary embodiment, the central portion of the electrochromic layer 107 is located in the visible area of the electrochromic device.
[0084] In one exemplary embodiment, the frame 106 is located in the non-visible area of the electrochromic device; since the insulating part, the first electrode connection part and the second electrode connection part 108 are all disposed on the outside of the frame 106, the insulating part, the first electrode connection part and the second electrode connection part 108 are all located in the non-visible area of the electrochromic device.
[0085] Example 2
[0086] Example 2 is an electrochromic device that includes the electrochromic device described in the above examples.
[0087] In an exemplary embodiment, the electrochromic device of this application further includes an upper substrate layer 101 and a lower substrate layer 111.
[0088] In one exemplary embodiment, the upper substrate layer 101 and the lower substrate layer 111 are arranged parallel to each other.
[0089] In one exemplary embodiment, the upper substrate layer 101 and the lower substrate layer 111 are both transparent substrates, such as transparent glass, as needed.
[0090] In one exemplary embodiment, the upper substrate layer 101 is disposed on the side of the upper conductive layer 103 opposite to the lower conductive layer 109.
[0091] In one exemplary embodiment, the upper substrate layer 101 covers the upper conductive layer 103.
[0092] In one exemplary embodiment, the lower substrate layer 111 is disposed on the side of the lower conductive layer 109 opposite to the upper conductive layer 103.
[0093] In one exemplary embodiment, the lower substrate layer 111 covers the lower conductive layer 109.
[0094] In one exemplary embodiment, the upper substrate layer 101, the upper conductive layer 103, the lower substrate layer 111, and the lower conductive layer 109 are all disposed in parallel.
[0095] In one exemplary embodiment, the upper substrate layer 101 covers the lower substrate layer 111, and the upper substrate layer 101 and the lower substrate layer 111 may have the same size as needed.
[0096] In one exemplary embodiment, a first metal layer 102 is further provided between the upper substrate layer 101 and the upper conductive layer 103.
[0097] In one exemplary embodiment, the first metal layer 102 is disposed in a ring shape in the non-visible area of the electrochromic device.
[0098] In one exemplary embodiment, the first metal layer 102 is a chromium ring.
[0099] In one exemplary embodiment, a second metal layer 110 is further provided between the lower substrate layer 111 and the lower conductive layer 109.
[0100] In one exemplary embodiment, the second metal layer 110 covers the lower conductive layer 109.
[0101] In one exemplary embodiment, the second metal layer 110 may be a silver layer, if necessary.
[0102] In one exemplary embodiment, the right side of the second metal layer 110 is wrapped by the frame 106. It can be understood that the frame 106 extends downward along the area where the upper conductive layer 103 is larger than the lower conductive layer 109 to connect with the lower substrate layer 111. Therefore, the second metal layer 110 on the right side is also wrapped by the frame 106.
[0103] In an exemplary embodiment, it can be understood that, on the right side of the electrochromic device of this application, electrical insulation between the upper conductive layer 103 and the lower conductive layer 109 in the region where the second electrode connection portion 108 is located is achieved by extending the frame 106.
[0104] Example 3
[0105] Example 3 is a terminal product, including the electrochromic device of the above embodiments, and / or the electrochromic apparatus of the above embodiments.
[0106] In an exemplary embodiment, the terminal product of this application embodiment is, for example, a rearview mirror, a car sunroof, a car windshield, a screen of an electronic product, etc., wherein the rearview mirror includes an interior rearview mirror and an exterior rearview mirror.
[0107] It will be understood by those skilled in the art that the above are merely preferred embodiments of this application and are not intended to limit this application. Although this application has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this application should be included within the protection scope of this application.
Claims
1. An electrochromic device, characterized in that, include: An upper conductive layer and a lower conductive layer arranged opposite to each other; The upper conductive layer covers the lower conductive layer, and a frame is provided in the area where the upper conductive layer is larger than the lower conductive layer; A portion of the frame is disposed between the upper conductive layer and the lower conductive layer; The orthographic projection of the frame onto the upper conductive layer falls entirely on the upper conductive layer; The orthogonal projection of the frame onto the lower conductive layer falls on the lower conductive layer. The frame, the upper conductive layer, and the lower conductive layer together form a sealed chamber. An electrochromic layer is disposed within the cavity; An insulating layer and a first electrode connection portion are also provided on the left outer side of the frame, and the insulating layer is attached to the side of the upper conductive layer facing the lower conductive layer. The first electrode connection portion is disposed between the insulating layer and the lower conductive layer, and the orthographic projection of the insulating layer onto the plane where the lower conductive layer is located covers the first electrode connection portion; A second electrode connection portion is also provided in the region where the upper conductive layer is larger than the lower conductive layer. The second electrode connection portion is located on the side of the frame facing away from the chamber. The electrode connected to the first electrode connection portion is opposite to the electrode connected to the second electrode connection portion.
2. The electrochromic device according to claim 1, characterized in that, The width of the insulating layer is greater than the width of the first electrode connection portion; The insulating layer is arranged in strips on the outside of the rubber frame.
3. The electrochromic device according to claim 1, characterized in that, Both the upper conductive layer and the lower conductive layer are transparent conductive layers.
4. The electrochromic device according to claim 1, characterized in that, The central portion of the electrochromic layer is located within the visible area of the electrochromic device; The frame is located in the non-visible area of the electrochromic device.
5. The electrochromic device according to claim 1, characterized in that, Both the first electrode connection portion and the second electrode connection portion are made of conductive silver paste.
6. An electrochromic device, characterized in that, The electrochromic device according to any one of claims 1-5 further includes: Upper substrate layer and lower substrate layer; The upper substrate layer is disposed on the side of the upper conductive layer that faces away from the lower conductive layer; The lower substrate layer is disposed on the side of the lower conductive layer opposite to the upper conductive layer; The frame also extends downward along the region where the upper conductive layer is larger than the lower conductive layer to connect with the lower substrate layer.
7. The electrochromic device according to claim 6, characterized in that, A first metal layer is provided between the upper substrate layer and the upper conductive layer, and the first metal layer is arranged in a ring shape in the non-visible area of the electrochromic device.
8. The electrochromic device according to claim 6, characterized in that, A second metal layer is provided between the lower substrate layer and the lower conductive layer, and the second metal layer covers the lower conductive layer.
9. The electrochromic device according to claim 6, characterized in that, Both the upper substrate layer and the lower substrate layer are transparent substrates.
10. A terminal product, characterized in that, Includes the electrochromic device according to any one of claims 6-9.