CN214896136U - Electrochromic cover plate assembly and electronic equipment - Google Patents
Electrochromic cover plate assembly and electronic equipment Download PDFInfo
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- CN214896136U CN214896136U CN202121490286.8U CN202121490286U CN214896136U CN 214896136 U CN214896136 U CN 214896136U CN 202121490286 U CN202121490286 U CN 202121490286U CN 214896136 U CN214896136 U CN 214896136U
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Abstract
The utility model discloses an electrochromic's apron subassembly and electronic equipment. Wherein the apron subassembly includes: a cover plate; the electrochromic assembly is arranged on the cover plate and comprises a first substrate, a first electrode layer, an electrochromic functional layer, a second electrode layer and a second substrate; the water vapor barrier film layer is arranged on one side, away from the cover plate, of the electrochromic assembly; the water blocking glue is arranged around the electrochromic assembly in a surrounding mode and used for sealing the electrochromic assembly; and the dam is arranged around the water blocking glue in a surrounding mode and used for preventing the water blocking glue from flowing outwards. The technical scheme of the utility model the sealing reliability of apron subassembly has been improved.
Description
Technical Field
The application relates to the technical field of electronic equipment, in particular to an electrochromic cover plate assembly and electronic equipment.
Background
As portable electronic products, mobile phones integrate more and more human-computer interaction interfaces. The front face of the mobile phone is occupied by the display screen, the side face of the mobile phone provides a handheld space and a function key, only a camera is arranged in the rear cover area, and most area of the mobile phone is not occupied. Therefore, it is a demand to add a man-machine interaction function to the rear cover.
In recent years, electrochromic devices based on flexible film substrates have rapidly developed and are in the field of vision. The flexible electrochromic film component not only has the advantages of low cost, low power consumption, light and thin structure and the like, but also can realize uniform color change or patterned color change, so that the flexible electrochromic film component can be used for man-machine interaction of electronic equipment.
In some implementations, the electrochromic assembly is often integrated with an electronic device cover to form a cover assembly. Various signals can be fed back by controlling the cover plate assembly through the mobile phone. For example, some users may wish to utilize the changing color of the cover assembly to indicate incoming calls, messages, sensors, etc., which is a very promising human-machine interaction. However, electrochromic materials are sensitive to moisture and commonly used film substrates such as PET are too permeable to water. Direct dispensing packaging is generally adopted in the prior art, so that the sealing reliability of the cover plate assembly is poor.
SUMMERY OF THE UTILITY MODEL
In order to solve the problem, the utility model provides an electrochromic's apron subassembly and electronic equipment to improve the sealing reliability of apron subassembly.
In a first aspect, there is provided an electrochromic cover plate assembly comprising: a cover plate; the electrochromic assembly is arranged on the cover plate and comprises a first substrate, a first electrode layer, an electrochromic functional layer, a second electrode layer and a second substrate; the water vapor barrier film layer is arranged on one side, away from the cover plate, of the electrochromic assembly; the water blocking glue is arranged around the electrochromic assembly in a surrounding mode and used for sealing the electrochromic assembly; and the dam is arranged around the water blocking glue in a surrounding mode and used for preventing the water blocking glue from flowing outwards.
In one possible implementation, the box dam is disposed on the cover plate; the water blocking glue is positioned between the cover plate and the water vapor barrier film layer.
In one possible implementation, the dam is disposed on the first electrode layer; the water blocking glue is located between the first electrode layer and the water vapor barrier film layer.
In a possible implementation manner, the first electrode layer and the second electrode layer are both provided with a lead bonding area, and the lead bonding area is located inside the water blocking glue.
In one possible implementation, the cover plate assembly includes: and the decorative film layer is arranged on one side of the water vapor barrier film layer, which deviates from the cover plate.
In one possible implementation, the width of the edge of the water vapor barrier film layer beyond the edge of the electrochromic functional layer is at least 1 mm.
In one possible implementation, the material of the first substrate and the second substrate is PET.
In a second aspect, an electronic device is provided, which includes the cover plate assembly according to any one of the possible implementations of the first aspect of the present application.
The embodiment of the application provides an electrochromic's apron subassembly, through set up the box dam around the glue that blocks water to prevent that the glue that blocks water from outwards flowing, guaranteed the encapsulation thickness that the glue that blocks water, thereby improved the sealed effect of apron subassembly.
Drawings
In order to facilitate understanding of the invention, the invention is described in more detail below on the basis of exemplary embodiments and with reference to the attached drawings. The same or similar reference numbers are used in the drawings to refer to the same or similar parts. It should be understood that the drawings are merely schematic and that the dimensions and proportions of elements in the drawings are not necessarily precise.
Fig. 1 is a schematic structural diagram of a cover plate assembly according to an embodiment of the present disclosure.
Fig. 2 is a schematic structural diagram of another cover plate assembly provided in an embodiment of the present application.
Fig. 3 is a schematic flow chart of a method for manufacturing a cover plate assembly according to an embodiment of the present disclosure.
Fig. 4 is a schematic structural view of a cap plate assembly manufactured by the manufacturing method of fig. 3.
Detailed Description
The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments.
As shown in fig. 1, the present embodiment provides an electrochromic cover plate assembly 10, and the cover plate assembly 10 may include a cover plate 11, an electrochromic assembly 12, a moisture barrier film layer 13, a water blocking glue 14, and a dam 15.
In some embodiments, the electrochromic assembly 12 is disposed on the cover sheet 11. A moisture barrier film layer 13 is provided on the side of the electrochromic assembly 12 facing away from the cover plate 11. The edge of the water vapor barrier film layer 13 may extend beyond the edge of the electrochromic assembly 12 and the edge of the cover plate 11 may extend beyond the edge of the water vapor barrier film layer 13, so that a groove may be formed between the cover plate 11 and the water vapor barrier film layer 13. The water blocking glue 14 is located in a groove between the cover plate 11 and the water vapor barrier film layer 13, and surrounds the electrochromic assembly 12 for sealing the electrochromic assembly 12. The box dam 15 sets up on apron 11, and box dam 15 is protruding along the direction of keeping away from apron 11, and encloses to locate around the glue 14 that blocks water for prevent to block that glue 14 outwards flows, with the encapsulation thickness of guaranteeing to block glue 14, thereby improve the sealed effect of apron subassembly 10.
In some embodiments, the cover assembly 10 may also be provided with a decorative film layer 16 on the side of the moisture barrier film 13 facing away from the cover 11, whereby the decorative film layer 16 may be superimposed with the electrochromic assembly 12 to form a composite optical and color effect.
In some embodiments, the decorative film layer 16 may be a multilayer structure, for example, the decorative film layer 16 may include micro-optical textures, color absorbing layers, reflective layers, and the like, for example, the decorative film layer 16 may be a reflective In film.
In some embodiments, the cover plate 11 may be a transparent substrate having waterproof properties. For example, it may be glass. The cover plate 11 may also be a transparent substrate coated with a moisture barrier film layer. Thereby, the waterproof vapor permeation performance of the cover plate assembly 10 can be ensured.
In some embodiments, the electrochromic assembly 12 may include a first substrate 121, a first electrode layer 122, an electrochromic functional layer 123, a second electrode layer 124, and a second substrate 125, which are sequentially stacked from bottom to top.
In some embodiments, the electrochromic functional layer 123 may be a single thin film, or may be a multi-layer structure composed of an electrochromic layer, an ion conducting layer, and an ion storage layer. As an example, the material of the electrochromic layer may be polythiophene, the material of the ion conducting layer may be a solid lithium ion electrolyte, and the material of the ion storage layer may be nickel oxide, which is not specifically limited in this embodiment of the present application. The material may be prepared by a coating or sputtering process, and the embodiment of the present application is not particularly limited thereto.
In some embodiments, wire bonding regions 1220 and 1240 may be provided on first electrode layer 122 and second electrode layer 124, respectively, and electrochromic component 12 may be powered through the wires on the wire bonding regions to generate a stable electric field. Wire bonding regions 1220 and 1240 may be located within the water-blocking gel enclosure, thereby improving the overall sealing of cover assembly 10.
In some embodiments, the first electrode layer 122 and the second electrode layer 124 may be transparent conductive layers. For example, the material may be one or more of Indium Tin Oxide (ITO), fluorine doped tin oxide (FTO), aluminum doped zinc oxide (AZO), or transparent metal mesh, but the present application is not limited thereto.
In some embodiments, the first electrode layer 122 and the second electrode layer 124 may be formed by any means such as sputtering, printing, or coating, and the application is not particularly limited in contrast.
In some embodiments, the first substrate 121 and the second substrate 125 may be rigid transparent substrates. For example, the glass can be glass, and the glass has high transparency and good waterproof performance. Thus, the transparency and water vapor transmission resistance of the electrochromic assembly 12 may be improved.
In some embodiments, the first substrate 121 and the second substrate 125 may also be flexible transparent substrates. For example, transparent plastics such as PET (polyethylene terephthalate) and PI (polyester polyimide) may be used. Thereby, the impact resistance of the electrochromic assembly 12 may be improved.
In some embodiments, the first substrate 121 and the second substrate 125 may be a rigid transparent substrate, and the other is a flexible transparent substrate. This makes it possible to achieve both water resistance and impact resistance.
The material of the dam 15 is not particularly limited, and for example, the dam 15 may be a hard glue, and thus may be formed in a predetermined shape to prevent the water blocking glue 14 from flowing outward.
The arrangement positions of the water blocking glue 14 and the box dam 15 are not particularly limited in the present application. Another possible implementation is given below in connection with fig. 2.
Referring to fig. 2, in some embodiments, an electrochromic assembly 22 is disposed on the cover 21. A moisture barrier film layer 23 is provided on the side of the electrochromic assembly 22 facing away from the cover plate 21. The edge of the water vapor barrier film layer 23 may extend beyond the edge of the electrochromic functional layer 223 and the edge of the first electrode layer 222 may extend beyond the edge of the water vapor barrier film layer 23, so that a groove may be formed between the first electrode layer 222 and the water vapor barrier film layer 23. The water blocking glue 24 is located in the groove between the first electrode layer 222 and the water vapor barrier film layer 23, and surrounds the electrochromic functional layer 223 for sealing the electrochromic functional layer 223. The dam 25 is disposed on the first electrode layer 222, the dam 25 protrudes along a direction away from the cover plate 21, and surrounds the water blocking glue 24, so as to prevent the water blocking glue 24 from flowing outwards, so as to ensure a packaging thickness of the water blocking glue 24, thereby improving a sealing effect of the cover plate assembly 20.
Referring to fig. 2 and 3, in some embodiments, the width of the edge of the water vapor barrier film layer beyond the edge of the electrochromic functional layer is at least 1mm, i.e., the width of the water blocking glue in the groove is at least 1 mm. Therefore, the waterproof performance of the water-blocking glue can be ensured.
In some embodiments, the moisture barrier film layer may be selected from, but is not limited to, thin glass, plastic film coated with a moisture barrier film layer, multilayer film, and the like.
The water vapor permeability of the water vapor barrier film layer is not particularly limited in the present application, and as an example, the water permeability of the water vapor barrier film layer may be less than 0.1g/(day · m2), whereby the water blocking effect of the water vapor barrier film layer can be ensured.
Fig. 3 is a schematic flow chart illustrating a method for manufacturing a cover plate assembly according to an embodiment of the present disclosure, which may include the steps of: S31-S36.
S31, providing an electrochromic assembly, may include the steps of: S311-S315.
S311, providing a first substrate;
s312, forming a first electrode layer on the first substrate provided in the step S311, which may be formed by any method such as sputtering, printing, or coating, and the present application is not limited in this respect;
s313, forming an electrochromic functional layer, wherein the electrochromic functional layer is formed on a side of the first electrode layer away from the first substrate prepared in the step S312, and the edge of the first electrode layer is beyond the edge of the electrochromic functional layer;
and S314, forming a second electrode layer. Forming a second electrode layer on the side of the electrochromic functional layer away from the first substrate, which is prepared in the step S313, and the second electrode layer may be formed by any method such as sputtering, printing, or coating, which is not specifically limited in this application;
s315, providing a second substrate. A second substrate is disposed on a side of the second electrode layer away from the first substrate, which is prepared in the foregoing step S314, and may be bonded by an optical adhesive (OCA), which is not specifically limited by the present application;
the electrochromic functional layer can be a single-layer thin film, and can also be a multilayer structure consisting of the electrochromic layer, the ion conducting layer and the ion storage layer. As one example, the material of the electrochromic layer may be polythiophene, the material of the ion conducting layer may be a solid lithium ion electrolyte, and the ion storage layer may be nickel oxide. This is not particularly limited in the embodiments of the present application. The material can be prepared by coating or sputtering and other processes, which are not specifically limited in the embodiment of the present application;
lead bonding areas can be arranged on the first electrode layer and the second electrode layer, and the electrochromic assembly can be connected to a power supply through leads in the lead bonding areas so as to generate a stable electric field;
the first electrode layer and the second electrode layer may be transparent conductive layers. For example, it may be one or more of Indium Tin Oxide (ITO), fluorine doped tin oxide (FTO), aluminum doped zinc oxide (AZO), or a transparent metal mesh. The present application is not specifically limited in contrast;
the first substrate and the second substrate may be rigid transparent substrates, for example, glass; the first substrate and the second substrate may be flexible transparent substrates, and may be transparent plastics such as PET (polyethylene terephthalate) and PI (polyester polyimide), for example.
S32, forming the water vapor barrier film layer, may include the steps of: s321.
S321, forming a water vapor barrier film layer on one side of the electrochromic device prepared in the step S31, so that the edge of the water vapor barrier film layer must exceed the edge of the electrochromic functional layer, and the edge of the first electrode layer must exceed the edge of the water vapor barrier film layer;
in some embodiments, the width of the edge of the water vapor barrier film layer beyond the edge of the electrochromic functional layer is at least 1 mm;
in some embodiments, the moisture barrier film layer may be selected from, but not limited to, thin glass, plastic film coated with a moisture barrier film layer, multilayer film, and the like, and the present application is not particularly limited in contrast;
the water vapor permeability of the water vapor barrier film layer is not particularly limited in the present application, and as an example, the water permeability of the water vapor barrier film layer may be less than 0.1g/(day · m2), whereby the water blocking effect of the water vapor barrier film layer can be ensured.
S33, forming a decorative film layer, comprising: and S331.
S331, forming a decorative film layer on one side of the water vapor barrier film layer prepared in the step S32, which is far away from the electrochromic assembly;
in some embodiments, the decorative film layer 16 may be a multilayer structure, for example, the decorative film layer 16 may include micro-optical textures, color absorbing layers, reflective layers, and the like, for example, the decorative film layer 16 may be a reflective In film.
S34, setting a box dam, which can include the following steps: and S341.
S341, disposing a dam on the first electrode layer prepared in the step S312, where the dam protrudes in a direction close to the water vapor barrier film layer, the dam is disposed around the electrochromic functional layer, and a gap is formed between the dam and the electrochromic functional layer, where a distance between the gaps is at least 1 mm;
the material of the box dam is not particularly limited, and for example, the box dam may be hard glue, and thus a predetermined shape may be formed.
S35, forming a water-blocking glue, may include the steps of: s351.
S351, dripping water-blocking glue into the gap formed in the step S341, namely, the width of the formed water-blocking glue is at least 1 mm;
in some embodiments, the wire-bonding area prepared in the step S31 is located inside the water-blocking glue enclosure.
The cover assembly diaphragm can be formed through the steps S31-S35.
S36, forming a cover plate assembly, see fig. 4, may include the steps of: S361-S363.
S361, providing a cover plate 41;
s362, taking the edge of the water vapor barrier film layer prepared in the above step S32 as a boundary, removing the edge of the above cover assembly film in a direction perpendicular to the boundary to form a new cover assembly film 42;
and step 363, arranging the side, away from the water vapor barrier film layer, of the cover plate assembly membrane 42 on the cover plate 41 to form the cover plate assembly 40 with a smaller frame.
In some embodiments, the cover plate may be a transparent substrate having waterproof properties. For example, it may be glass.
The above-mentioned edge removing method is not specifically limited in the present application, and for example, the edge may be removed by laser.
The above description is only exemplary of the present application and should not be taken as limiting the present application, as any modifications, equivalents and the like that are within the spirit and principle of the present application should be included in the scope of the present application.
Claims (8)
1. An electrochromic cover plate assembly, comprising:
a cover plate;
the electrochromic assembly is arranged on the cover plate and comprises a first substrate, a first electrode layer, an electrochromic functional layer, a second electrode layer and a second substrate;
the water vapor barrier film layer is arranged on one side, away from the cover plate, of the electrochromic assembly;
the water blocking glue is arranged around the electrochromic assembly in a surrounding mode and used for sealing the electrochromic assembly; and
and the dam is arranged around the water blocking glue in a surrounding manner and is used for preventing the water blocking glue from flowing outwards.
2. The decking assembly defined in claim 1 wherein the weirs are provided on the decking;
the water blocking glue is positioned between the cover plate and the water vapor barrier film layer.
3. The cover plate assembly of claim 1, wherein the dam is disposed on the first electrode layer;
the water blocking glue is located between the first electrode layer and the water vapor barrier film layer.
4. The cover plate assembly according to claim 1, wherein a wire bonding area is disposed on each of the first electrode layer and the second electrode layer, and the wire bonding area is located inside the water-blocking glue.
5. The cover plate assembly of claim 1, further comprising: and the decorative film layer is arranged on one side of the water vapor barrier film layer, which deviates from the cover plate.
6. The cover sheet assembly of claim 1 wherein the width of the edge of the moisture barrier film layer beyond the edge of the electrochromic functional layer is at least 1 mm.
7. The lid assembly of claim 1, wherein the first substrate and the second substrate are both PET.
8. An electronic device comprising the cover plate assembly according to any one of claims 1-7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121490286.8U CN214896136U (en) | 2021-06-30 | 2021-06-30 | Electrochromic cover plate assembly and electronic equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121490286.8U CN214896136U (en) | 2021-06-30 | 2021-06-30 | Electrochromic cover plate assembly and electronic equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214896136U true CN214896136U (en) | 2021-11-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121490286.8U Active CN214896136U (en) | 2021-06-30 | 2021-06-30 | Electrochromic cover plate assembly and electronic equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214896136U (en) |
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2021
- 2021-06-30 CN CN202121490286.8U patent/CN214896136U/en active Active
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