CN217335619U - Terminal device - Google Patents

Abstract

The application discloses terminal equipment belongs to the technical field of electron. The terminal device includes: mainboard, support shell, functional component, battery cover and electrochromic subassembly. The second FPC in the electrochromic assembly is provided with a second conductive structure, the first FPC in the functional assembly is electrically connected with the main board, and the first FPC is provided with a first conductive structure. After the supporting shell is connected with the battery cover, the second conductive structure on the second FPC can be electrically connected with the first conductive structure on the first FPC, and the second FPC can be connected with the mainboard sequentially through the second conductive structure, the first conductive structure and the first FPC, so that the mainboard can control the electrochromic film to change color through the second FPC. Therefore, the second FPC is not required to be provided with other conductive connecting pieces to be connected with the main board, so that the size of the main board in the terminal equipment integrated with the electrochromic assembly is smaller, and the position distribution of other devices on the main board cannot be influenced.

Description

Terminal device

Technical Field

The application relates to the technical field of electronics, in particular to a terminal device.

Background

With the continuous development of electronic technology, terminal devices with electrochromic functions are more and more popular. The battery cover of the terminal device can be changed in color through the electrochromic assembly.

At present, electrochromic components in terminal devices include: an electrochromic film fixed on the battery cover, and a Flexible Circuit board (hereinafter, referred to as FPC). Here, the FPC needs to be electrically connected not only to the electrochromic film but also to a main board within the terminal device. Thus, the mainboard can control the electrochromic film to change color through the FPC.

However, the volume of the main board in the terminal device integrated with the electrochromic device is generally large at present.

SUMMERY OF THE UTILITY MODEL

The embodiment of the application provides a terminal device. The problem that the size of a main board in terminal equipment in the prior art is large can be solved, the technical scheme is as follows:

in one aspect, a terminal device is provided, where the terminal device includes:

the device comprises a main board, a functional component and an electrochromic component;

the functional components include: the first FPC is electrically connected with the main board and is provided with a first conductive structure;

the electrochromic assembly includes: the electrochromic device comprises an electrochromic film and a second FPC, wherein the electrochromic film is electrically connected with the second FPC, and the second FPC has a second conductive structure;

the first conductive structure is electrically connected with the second conductive structure so that the second FPC is electrically connected with the main board through the first FPC.

Optionally, the first FPC further has: the first signal routing is used for connecting the first conductive structure and the mainboard, and the second signal routing is used for connecting the functional part and the mainboard, and the first signal routing and the second signal routing are arranged in an insulating mode.

Optionally, the terminal further includes: a board-to-board connector BTB, the BTB comprising: one of the male seat and the female seat is electrically connected with the mainboard, and the other one of the male seat and the female seat is electrically connected with the first signal wiring and the second signal wiring in the first FPC.

Optionally, the second FPC further has a third signal trace for connecting the second conductive structure and the electrochromic film.

Optionally, the terminal device further includes: a support case and a battery cover;

the main board and the first FPC are fixed on the supporting shell, and the electrochromic film is fixed on the battery cover;

at least one of the first conductive structure and the second conductive structure is a conductive elastic sheet;

the conductive dome is configured to: the support case is deformed after being connected with the battery cover.

Optionally, one of the first conductive structure and the second conductive structure is a conductive elastic piece, and the other is a conductive patch, where the conductive elastic piece is configured to: and the support shell and the battery cover are deformed after being connected so as to be abutted against the conductive patch.

Optionally, the terminal device further includes: first reinforcement spare and second reinforcement spare, first reinforcement spare with first FPC deviates from one side of second FPC is connected, second reinforcement spare with second FPC deviates from one side of first FPC is connected, just first reinforcement spare is in orthographic projection on the first FPC covers first conductive structure, second reinforcement spare is in orthographic projection on the second FPC covers second conductive structure.

Optionally, the functional element includes: at least one of a flashlight, a display screen, and a speaker.

Optionally, the battery cover includes: the lens support frame is connected with the battery cover body;

the battery cover body is connected with the supporting shell, and one side of the battery cover body close to the supporting shell is attached to the electrochromic film;

the lens support frame is close to one side of support shell with at least part laminating in the second FPC, and works as the function piece is during the flash light, the lens support frame has first logical unthreaded hole, the light-emitting direction orientation of flash light first logical unthreaded hole.

Optionally, the support housing includes: the middle frame and the bracket connected with the middle frame;

the middle frame is connected with the battery cover body, one side of the support, which is far away from the battery cover, is fixedly connected with the mainboard, and one side of the support, which is close to the battery cover, is attached to the first FPC.

The beneficial effects brought by the technical scheme provided by the embodiment of the application at least comprise:

a terminal device, comprising: mainboard, support shell, functional component, battery cover and electrochromic subassembly. The second FPC in the electrochromic assembly is provided with a second conductive structure, the first FPC in the functional assembly is electrically connected with the main board, and the first FPC is provided with a first conductive structure. After a supporting shell in the terminal equipment is connected with a battery cover, because a second conductive structure on the second FPC can be electrically connected with a first conductive structure on the first FPC, the second FPC can be connected with the main board sequentially through the second conductive structure, the first conductive structure and the first FPC, so that the main board can control the electrochromic film to change color through the second FPC. Therefore, the second FPC in the electrochromic assembly does not need to be provided with other conductive connecting pieces on the mainboard for being connected with the mainboard, so that the size of the mainboard in the terminal equipment integrated with the electrochromic assembly is smaller, and the position distribution of other devices on the mainboard cannot be influenced.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.

Fig. 1 is an exploded schematic view of a terminal device according to an embodiment of the present disclosure;

fig. 2 is a partial structural schematic diagram of the terminal device shown in fig. 1;

FIG. 3 is a top view of a functional assembly provided by an embodiment of the present application;

fig. 4 is a schematic diagram illustrating connection between a main board and a first FPC according to an embodiment of the present application;

FIG. 5 is a top view of an electrochromic assembly according to an embodiment of the present application;

fig. 6 is a schematic partial structure diagram of another terminal device provided in the embodiment of the present application;

fig. 7 is a schematic partial structure diagram of another terminal device provided in an embodiment of the present application;

fig. 8 is a schematic partial structure diagram of a terminal device according to another embodiment of the present application.

With the above figures, there are shown specific embodiments of the present application, which will be described in more detail below. These drawings and written description are not intended to limit the scope of the inventive concepts in any manner, but rather to illustrate the inventive concepts to those skilled in the art by reference to specific embodiments.

Detailed Description

To make the objects, technical solutions and advantages of the present application more clear, embodiments of the present application will be described in further detail below with reference to the accompanying drawings.

In the related art, the FPC in the electrochromic module needs to be connected not only to the electrochromic film but also to be electrically connected through a main board provided in the terminal device in general. For this reason, it is necessary to separately provide a conductive connecting member (e.g., a conductive elastic piece) for connecting the FPC in the electrochromic module on the main board of the terminal device. Therefore, the size of the main board in the terminal device integrated with the electrochromic component is large, the main board can occupy the space, and the position distribution of other devices on the main board is limited.

Referring to fig. 1 and fig. 2, fig. 1 is an exploded schematic view of a terminal device according to an embodiment of the present disclosure, and fig. 2 is a partial structural schematic view of the terminal device shown in fig. 1. The terminal device may be: any product or component with a shooting function, such as a mobile phone, a tablet computer, a notebook computer, a camera and the like. The terminal device may include: a main board 100, a functional component 300, and an electrochromic component 500.

The functional components 300 in the terminal device may include: a first FPC 301 and a function 302, the function 302 may be located on the first FPC 301. The first FPC 301 may be electrically connected to the main board 100, and the first FPC 301 may have a first conductive structure 3011.

The electrochromic assembly 500 in the terminal device may include: an electrochromic film 501 and a second FPC 502, and the second FPC 502 may have a second conductive structure 5021. The second FPC 502 may be electrically connected to the electrochromic film 501, and for example, the second FPC 502 may further have a first connection terminal 5022, and the electrochromic film 501 may have a second connection terminal 5011. The first connection terminal 5022 of the second FPC 502 may be electrically connected with the second connection terminal 5011 of the electrochromic film 501 to electrically connect the second FPC 502 with the electrochromic film 501.

In the embodiment of the present application, the second FPC 502 in the electrochromic device 500 has the second conductive structure 5021, the first FPC 301 in the functional device 300 is electrically connected to the main board 100, and the first FPC 301 has the first conductive structure 3011. Since the second conductive structure 5021 on the second FPC 502 can be electrically connected with the first conductive structure 3011 on the first FPC 301, the second FPC 502 can be electrically connected with the main board 100 sequentially through the second conductive structure 5021, the first conductive structure 3011 and the first FPC 301, so that the main board 100 can control the color of the electrochromic film 501 through the first FPC 301 and the second FPC 502. Therefore, the second FPC 502 in the electrochromic assembly 500 does not need to provide other conductive connecting members on the motherboard 100 to connect with the motherboard 100, so that the volume of the motherboard 100 in the terminal device integrated with the electrochromic assembly 500 is smaller, and the position distribution of other devices on the motherboard 100 is not affected.

For example, the terminal device may further include: the support case 200 and the battery cover 400, and the main board 100 and the first FPC 301 in the terminal device may be fixed on the support case 200. For example, the main board 100 may be fixed to the support case 200 by means of adhesion, or the main board 100 may be fixed to the support case 200 by means of screw locking. The first FPC 301 may be fixed on the support housing 200 by adhesion, which is not specifically limited in this embodiment.

Both the electrochromic film 501 and the second FPC 502 in the electrochromic assembly 500 may be fixed on the battery cover 400.

After the support case 200 in the terminal device is connected to the battery cover 400, the first conductive structure 3011 in the functional assembly 300 may be electrically connected to the second conductive structure 5021 in the electrochromic assembly 500, so that the second FPC 502 may be electrically connected to the main board 100 through the first FPC 301.

To sum up, an embodiment of the present application provides a terminal device, including: mainboard, support shell, functional component, battery cover and electrochromic subassembly. The second FPC in the electrochromic assembly is provided with a second conductive structure, the first FPC in the functional assembly is electrically connected with the main board, and the first FPC is provided with a first conductive structure. After a supporting shell in the terminal equipment is connected with a battery cover, as the second conductive structure on the second FPC can be electrically connected with the first conductive structure on the first FPC, the second FPC can be connected with the mainboard sequentially through the second conductive structure, the first conductive structure and the first FPC, so that the mainboard can control the electrochromic film to change color through the second FPC. Therefore, the second FPC in the electrochromic assembly does not need to be provided with other conductive connecting pieces on the mainboard for being connected with the mainboard, so that the size of the mainboard in the terminal equipment integrated with the electrochromic assembly is smaller, and the position distribution of other devices on the mainboard cannot be influenced.

Optionally, please refer to fig. 3, where fig. 3 is a top view of a functional assembly provided in an embodiment of the present application. The first FPC 301 in the functional component 300 in the terminal device may further have: a first signal trace L1 and a second signal trace L2. The first signal trace L1 may be used to connect the first conductive structure 3011 and the motherboard 100, and the second signal trace L2 may be used to connect the functional element 302 and the motherboard 100. The first signal trace L1 and the second signal trace L2 can be disposed in an insulating manner. For example, the first signal trace L1 and the second signal trace L2 do not intersect inside the first FPC 301.

In this case, the first signal trace L1 and the second signal trace L2 that are disposed in an insulating manner from each other can connect the first conductive structure 3011 with the motherboard 100 through the first signal trace L1 under the condition that the normal operation of the control function 302 of the motherboard 100 is ensured, so that the second conductive structure 5021 is normally connected with the motherboard 100 through the first conductive structure 3011 and the first signal trace L1.

In the embodiment of the present application, please refer to fig. 4, where fig. 4 is a schematic diagram illustrating a connection between a main board and a first FPC provided in the embodiment of the present application. The terminal device may further include: Board-to-Board Connector (BTB) 600, BTB 600 may include: a male socket 601 and a female socket 602. One of the male socket 601 and the female socket 602 in the BTB 600 may be electrically connected to the motherboard 100, and the other may be electrically connected to the first signal trace L1 and the second signal trace L2 on the first FPC 301. Two rows of connector pins (not shown in the figure) which are arranged in parallel and in an array are arranged on the male socket 601 and the female socket 602, when the male socket 601 is connected with the female socket 602 in a matching manner, each connector pin in the male socket 601 is matched with each connector pin in the female socket 602 in a one-to-one correspondence manner, so that the male socket 601 is electrically connected with the female socket 602, and the mainboard 100 and the first FPC 301 can be electrically connected.

In the present application, the male socket 601 in the BTB 600 may be electrically connected to the main board 100, and the female socket 602 may be electrically connected to the first signal trace L1 and the second signal trace L2 on the first FPC 301; alternatively, the female socket 602 in the BTB 600 may be electrically connected to the motherboard 100, and the male socket 601 may be electrically connected to the first signal trace L1 and the second signal trace L2 on the first FPC 301, which is not specifically limited in this embodiment. It should be noted that, in the following embodiments of the present application, the male socket 601 in the BTB 600 is schematically illustrated as being electrically connected to the main board 100, and the female socket 602 is electrically connected to the first signal trace L1 and the second signal trace L2 on the first FPC 301. For example, the male socket 601 may be soldered to the main board 100 by solder paste, and the female socket 602 may be soldered to the first FPC 301 by solder paste.

Optionally, please refer to fig. 5, fig. 5 is a top view of an electrochromic device according to an embodiment of the present disclosure. The second FPC 502 in the electrochromic assembly 500 may also have a third signal trace L3 for connecting the second conductive structure 5021 and the electrochromic film 501. In this case, the main board 100 in the terminal device can control the color change of the electrochromic film 501 in the electrochromic assembly 500 through the BTB 600, the first signal trace L1, the first conductive structure 3011, the second conductive structure 5021 and the third signal trace L3 in sequence.

In the embodiment of the present application, as shown in fig. 4, at least one of the first conductive structure 3011 on the first FPC 301 and the second conductive structure 5021 on the second FPC 502 may be a conductive elastic sheet a 1. Wherein the conductive dome a1 may be configured to: the support case 200 in the terminal device is deformed after being coupled with the battery cover 400. In this way, after the support case 200 is connected to the battery cover 400, the first conductive structure 3011 and the second conductive structure 5021 can exert a force on each other, so that the conductive elastic sheet a1 on the first FPC 301 and/or the second FPC 502 is deformed. Therefore, the first FPC 301 and the second FPC 502 can be in good contact through the deformed conductive elastic sheet A1, and the normal work of the main board 100 for controlling the electrochromic film 501 is guaranteed. In this application, the first conductive structure 3011 may be a conductive elastic piece a1, and the second conductive structure 5021 may be another conductive connector; alternatively, the first conductive structure 3011 is another conductive connector, and the second conductive structure 5021 may be a conductive elastic sheet a 1; alternatively, the first conductive structure 3011 and the second conductive structure 5021 may be conductive elastic pieces a1, which is not specifically limited in this embodiment of the present application.

Alternatively, as shown in fig. 4 and 5, one of the first conductive structure 3011 on the first FPC 301 and the second conductive structure 5021 on the second FPC 502 may be a conductive elastic piece a1, and the other may be a conductive patch B1. This conductive dome a1 may be configured to: the support case 200 and the battery cover 400 in the terminal device may be deformed to abut the conductive patch B1 after being connected. In this application, the first conductive structure 3011 may be a conductive clip a1, and the second conductive structure 5021 may be a conductive patch B1; alternatively, the first conductive structure 3011 may be a conductive patch B1, and the second conductive structure 5021 may be a conductive elastic piece a1, which is not specifically limited in this embodiment of the application. In the following embodiments, the first conductive structure 3011 is taken as a conductive elastic piece a1, and the second conductive structure 5021 is taken as a conductive patch B1 for illustration. In this case, after the support case 200 is connected to the battery cover 400, the first conductive structure 3011 and the second conductive structure 5021 can exert a force on each other, so that the conductive elastic piece a1 on the first FPC 301 is deformed to abut against the conductive patch B1 on the second FPC 502. Thus, the first FPC 301 and the second FPC 502 can be in good contact with each other through the conductive elastic piece A1 and the conductive patch B1, and normal operation of the electrochromic film 501 controlled by the main board 100 is guaranteed. It should be further noted that, in other possible implementations, at least one of the first conductive structure 3011 and the second conductive structure 5021 may be a conductive foam, and the first conductive structure 3011 and the second conductive structure 5021 can also be electrically connected through the conductive foam.

In the embodiment of the present application, please refer to fig. 6, and fig. 6 is a schematic partial structure diagram of another terminal device provided in the embodiment of the present application. The terminal device may further include: a first stiffener 700 and a second stiffener 800, the first stiffener 700 may be connected with a side of the first FPC 301 facing away from the second FPC 502. The second stiffener 800 may be connected to a side of the second FPC 502 away from the first FPC 301, and an orthographic projection of the first stiffener 700 on the first FPC 301 covers the first conductive structure 3011 on the first FPC 301. An orthogonal projection of the second stiffener 800 on the second FPC 502 covers the second conductive structure 5021. For example, the first reinforcement member 700 may be adhered to the side of the first FPC 301 facing away from the second FPC 502 by an adhesive a1, and the second reinforcement member 800 may be adhered to the side of the second FPC 502 facing away from the first FPC 301 by an adhesive a 2. In this case, the first reinforcing member 700 connected to the side of the first FPC 301 away from the second FPC 502 can support the first FPC 301, so that the strength of the first FPC 301 is enhanced, and the connection between the first conductive structure 3011 and the first FPC 301 is facilitated. Through connecting the second reinforcement piece 800 that deviates from first FPC 301 one side at second FPC 502, can play the effect that supports to second FPC 502, strengthened second FPC 502's intensity, and be convenient for second conductive structure 5021 and the connection of second FPC 502.

Optionally, as shown in fig. 6, the terminal device may further include: a third reinforcing member 900, the third reinforcing member 900 may be connected to a side of the first FPC 301 facing away from the BTB 600. And an orthographic projection of the third stiffener 900 on the first FPC 301 covers the BTB 600. Illustratively, the third stiffener 900 may be adhered to a side of the first FPC 301 facing away from the BTB 600 by an adhesive a 3. In this case, the third reinforcing member 900 connected to the side of the first FPC 301 away from the BTB 600 can support the first FPC 301, so that the strength of the first FPC 301 is enhanced, and the connection between the BTB 600 and the first FPC 301 is facilitated.

In this embodiment of the application, as shown in fig. 6, the terminal device may further include: a fourth reinforcing member 1000, the fourth reinforcing member 1000 may be connected to a side of the first FPC 301 away from the functional member 302. And the orthographic projection of the fourth stiffener 1000 on the first FPC 301 covers the functional part 302. Illustratively, the fourth stiffener 1000 may be adhered to a side of the first FPC 301 facing away from the functional member 302 by an adhesive a 4. In this case, the fourth reinforcing member 1000 connected to the side of the first FPC 301 away from the functional member 302 can support the first FPC 301, so that the strength of the first FPC 301 is enhanced, and the functional member 302 and the first FPC 301 are conveniently connected.

In the present application, the structures of the first stiffener 700, the second stiffener 800, the third stiffener 900, and the fourth stiffener 1000 may be all stiffening plates, or may be other structures, which is not limited in the embodiment of the present application.

Optionally, the functional components 302 in the functional component 300 may include: at least one of a flashlight, a display screen, and a speaker. It should be noted that the following embodiments are all schematically described with the functional element 302 as the flash a 2. When this function 302 is a flash a2, a flash a2 is provided on the first FPC 301. The second signal trace L2 on the first FPC 301 is used to electrically connect the flash a2 and the main board 100, so that the main board 100 can control the flash a2 to normally operate.

In the embodiment of the present application, please refer to fig. 7, and fig. 7 is a schematic partial structure diagram of another terminal device provided in the embodiment of the present application. The battery cover 400 in the terminal device may include: a battery cover body 401, and a lens holder 402 connected to the battery cover body 401. The battery cover body 401 may have a mounting groove 4011, and the lens support frame 402 may be fixed at the mounting groove 4011. The battery cover body 401 may be connected with the support case 200, and one side of the battery cover body 401 near the support case 200 is attached with the electrochromic film 501. For example, the battery cover body 401 may be made of Polymethyl methacrylate (PMMA), which has the advantages of good transparency, chemical stability, easy processing, and beautiful appearance. When the battery cover body 401 is made of PMMA, the color change of the electrochromic film 501 is controlled by the main board 100, and thus the battery cover 400 can exhibit the electrochromic effect. One side of the lens support frame 402 close to the support housing 200 may be attached to at least a portion of the second FPC 502, and when the functional component 302 is the flash a2, the lens support frame 402 may have a first light passing hole 4021, and the light emitting direction of the flash a2 may face the first light passing hole 4021, so that the light emitted by the flash a2 can be emitted through the first light passing hole 4021.

In this application, the terminal device may further include: a camera (not shown) that can be fixed in the support housing 200, and the lens holder 402 can further have a second light vent 4022. So, during external light can get into the camera through second logical unthreaded hole 4022, guarantee that the camera can normally work when shooing.

Optionally, please refer to fig. 8, where fig. 8 is a schematic view of a partial structure of a terminal device according to another embodiment of the present application. The support case 200 in the terminal device may include: a middle frame 201 and a bracket 202 connected with the middle frame 201. The middle frame 201 can be connected with the battery cover body 401, one side of the support 202, which is far away from the battery cover 400, can be fixedly connected with the main board 100, and one side of the support 202, which is close to the battery cover 400, can be attached to the first FPC 301. In this way, by connecting the battery cover body 401 and the middle frame 201, an accommodating cavity can be formed, and the bracket 202, the main board 100, the camera, and the like can be located in the accommodating cavity.

To sum up, an embodiment of the present application provides a terminal device, including: mainboard, support shell, functional component, battery cover and electrochromic subassembly. The second FPC in the electrochromic assembly is provided with a second conductive structure, the first FPC in the functional assembly is electrically connected with the main board, and the first FPC is provided with a first conductive structure. After a supporting shell in the terminal equipment is connected with a battery cover, because a second conductive structure on the second FPC can be electrically connected with a first conductive structure on the first FPC, the second FPC can be connected with the main board sequentially through the second conductive structure, the first conductive structure and the first FPC, so that the main board can control the electrochromic film to change color through the second FPC. Therefore, the second FPC in the electrochromic assembly does not need to be provided with other conductive connecting pieces on the mainboard for being connected with the mainboard, so that the size of the mainboard in the terminal equipment integrated with the electrochromic assembly is smaller, and the position distribution of other devices on the mainboard cannot be influenced.

In this application, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. The term "plurality" means two or more unless expressly limited otherwise.

The above description is intended to be exemplary only, and not to limit the present application, and any modifications, equivalents, improvements, etc. made within the spirit and scope of the present application are intended to be included therein.

Claims (10)

1. A terminal device, comprising: a main board (100), a functional component (300) and an electrochromic component (500);

the functional component (300) comprises: a first FPC (301), and a functional piece (302) positioned on the first FPC (301), wherein the first FPC (301) is electrically connected with the mainboard (100), and the first FPC (301) is provided with a first conductive structure (3011);

the electrochromic assembly (500) comprises: an electrochromic film (501) and a second FPC (502), the electrochromic film (501) being electrically connected with the second FPC (502), the second FPC (502) having a second conductive structure (5021);

the first conductive structure (3011) is electrically connected with the second conductive structure (5021) so that the second FPC (502) is electrically connected with the main board (100) through the first FPC (301).

2. A terminal device according to claim 1, wherein the first FPC (301) further has: the first conductive structure (3011) and the first signal routing (L1) of the mainboard (100) are connected, the second conductive structure (L2) is connected to the functional element (302) and the mainboard (100), and the first signal routing (L1) and the second signal routing (L2) are arranged in an insulated mode.

3. The terminal device according to claim 2, wherein the terminal device further comprises: a board-to-board connector BTB (600), the BTB (600) comprising: the FPC comprises a male socket (601) and a female socket (602), wherein one of the male socket (601) and the female socket (602) is electrically connected with the mainboard (100), and the other one of the male socket (601) and the female socket is electrically connected with a first signal wire (L1) and a second signal wire (L2) in the first FPC (301).

4. A terminal device according to claim 3, characterized in that the second FPC (502) further has a third signal trace (L3) for connecting the second conductive structure (5021) with the electrochromic film (501).

5. The terminal device according to any one of claims 1 to 4, wherein the terminal device further comprises: a support case (200) and a battery cover (400);

the main board (100) and the first FPC (301) are fixed on the supporting shell (200), and the electrochromic film (501) is fixed on the battery cover (400);

at least one of the first conductive structure (3011) and the second conductive structure (5021) is a conductive elastic sheet (A1);

the conductive dome (A1) is configured to: the support case (200) is deformed after being connected with the battery cover (400).

6. A terminal device according to claim 5, characterized in that one of the first conductive structure (3011) and the second conductive structure (5021) is a conductive clip (A1) and the other is a conductive patch (B1), the conductive clip (A1) being configured to: deforming to abut against the conductive patch (B1) after the support case (200) is connected to the battery cover (400).

7. The terminal device according to claim 5, wherein the terminal device further comprises: first reinforcement (700) and second reinforcement (800), first reinforcement (700) with first FPC (301) deviates from one side of second FPC (502) is connected, second reinforcement (800) with second FPC (502) deviates from one side of first FPC (301) is connected, just first reinforcement (700) is in orthographic projection on first FPC (301) covers first conductive structure (3011), second reinforcement (800) is in orthographic projection on second FPC (502) covers second conductive structure (5021).

8. A terminal device according to claim 6 or 7, characterized in that the function (302) comprises: at least one of a flashlight, a display screen, and a speaker.

9. The terminal device according to claim 8, wherein the battery cover (400) comprises: a battery cover body (401), and a lens holder (402) connected to the battery cover body (401);

the battery cover body (401) is connected with the supporting shell (200), and one side, close to the supporting shell (200), of the battery cover body (401) is attached to the electrochromic film (501);

one side of the lens support frame (402) close to the support shell (200) is attached to at least one part of the second FPC (502), when the functional piece (302) is the flash lamp, the lens support frame (402) is provided with a first light through hole (4021), and the light emitting direction of the flash lamp faces the first light through hole (4021).

10. A terminal device according to claim 9, characterized in that the supporting shell (200) comprises: a middle frame (201) and a bracket (202) connected with the middle frame (201);

the middle frame (201) is connected with the battery cover body (401), one side, deviating from the battery cover (400), of the support (202) is fixedly connected with the main board (100), and one side, close to the battery cover (400), of the support (202) is attached to the first FPC (301).

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