Flexible circuit board and electronic equipment

Abstract

The invention relates to the technical field of electronic products, in particular to a flexible circuit board and electronic equipment. The flexible circuit board is used for connecting a USB interface and a mainboard in the electronic equipment. The flexible circuit board comprises two flexible boards which are detachably connected, namely a first flexible board and a second flexible board, the first flexible board is arranged on the rear side of the battery and connected with the USB interface, and the second flexible board is arranged on the front side of the battery and connected with the mainboard. When the USB interface needs to be disassembled, the first flexible plate can be seen by opening the cover plate on the rear side of the electronic equipment, and due to the fact that the first flexible plate and the second flexible plate are detachably connected, the first flexible plate can be conveniently disconnected from the second flexible plate, the first flexible plate is taken down, and then subsequent processing is conducted on the USB interface. Therefore, the battery does not need to be disassembled, the disassembly step of the USB interface is simplified, the complexity of disassembly can be reduced, the battery does not need to be installed again, and the assembly difficulty and the maintenance cost are reduced.

Description

Technical Field

[0001] The present application relates to the technical field of electronic products, and in particular to a flexible circuit board and an electronic device. Background Art

[0002] Universal serial bus (USB) interface is a universal computer interface, which has become one of the main ways of data transmission and power supply between modern electronic devices. Almost every electronic device is equipped with a USB interface for connecting chargers, data cables, headphones, etc.

[0003] In electronic devices, the USB interface needs to be electrically connected to the mainboard through a flexible printed circuit (FPC) to achieve the above-mentioned functions of connecting a charger, a data cable, an earphone, etc.

[0004] At present, the FPC used to connect the USB interface and the motherboard in electronic devices is usually set on the side of the battery facing the screen. This means that if the USB interface is to be removed, the battery must be removed first, which makes the disassembly process more cumbersome and requires the battery to be reinstalled, increasing the difficulty of assembly. Summary of the invention

[0005] The embodiments of the present application provide a flexible circuit board and an electronic device, which can simplify the disassembly process of the USB interface and reduce the difficulty of assembly and maintenance costs.

[0006] In a first aspect, an embodiment of the present application provides a flexible circuit board, comprising a first flexible board and a second flexible board; wherein the first end of the first flexible board is used to connect to a universal serial bus interface of an electronic device where the flexible circuit board is located, wherein the first flexible board is arranged on a side of a battery in the electronic device facing away from a screen of the electronic device, and the second end of the first flexible board is detachably connected to the first end of the second flexible board; the second end of the second flexible board is connected to a mainboard of the electronic device, wherein the second flexible board is arranged on a side of the battery facing the screen.

[0007] It can be understood that the flexible circuit board provided in the embodiment of the present application includes two detachably connected flexible boards, one of which is arranged on the rear side of the battery and connected to the USB interface, and the other flexible board is arranged on the front side of the battery and connected to the mainboard. When the USB interface needs to be removed, the first flexible board can be seen by opening the cover on the rear side of the electronic device. Since the first flexible board and the second flexible board are detachably connected, the first flexible board can be easily disconnected from the second flexible board, the first flexible board can be removed, and then the USB interface can be subsequently processed. In this way, there is no need to remove the battery, which simplifies the disassembly steps of the USB interface, reduces the cumbersomeness of disassembly, and does not need to reinstall the battery, which reduces the difficulty of assembly and maintenance costs.

[0008] In a possible implementation manner of the first aspect above, the second end of the first flexible board is connected to the first end of the second flexible board through a board-to-board connector.

[0009] The board-to-board connector may be used to connect different circuit boards together, thereby achieving electrical connection between the first flexible board and the second flexible board.

[0010] In a possible implementation of the first aspect above, the board-to-board connector includes a first connection seat and a second connection seat; the first connection seat is arranged at the second end of the first flexible board, and the second connection seat is arranged at the first end of the second flexible board.

[0011] In a possible implementation manner of the first aspect above, the first connecting socket is a female socket, and the second connecting socket is a male socket.

[0012] It can be understood that in other possible implementations, the first connection socket may also be a male socket, and correspondingly, the second connection socket may also be a female socket. By buckling the first connection socket with the second connection socket, the electrical connection between the first flexible board and the second flexible board can be achieved. When the USB interface needs to be disassembled, it is only necessary to unfasten the buckle between the first flexible board and the second flexible board connected to the USB interface.

[0013] In a possible implementation of the first aspect above, the length direction of the board-to-board connector is set along the width direction of the electronic device, and the width direction of the board-to-board connector is set along the length direction of the electronic device; or, the length direction of the board-to-board connector is set along the length direction of the electronic device, and the width direction of the board-to-board connector is set along the width direction of the electronic device.

[0014] It is understandable that there are many functional devices in electronic devices that realize various electronic functions, and the arrangement of the board-to-board connector can be adjusted according to the internal device layout of the actual electronic device. For example, the board-to-board connector can be arranged along the length direction of the electronic device, that is, placed horizontally, or along the width direction of the electronic device, that is, placed vertically.

[0015] In a possible implementation manner of the first aspect above, a shape of the first flexible board includes any one of the following: П-shape, semicircular shape, and arch shape.

[0016] It can be understood that if the USB interface at one end of the first flexible board and the board-to-board connector at the other end are arranged in the same direction, for example, arranged in sequence along the width direction of the electronic device, the shape of the first flexible board can be any of the above-mentioned П-shaped, semicircular, and arched shapes. In other possible implementations, if the USB interface and the board-to-board connector are arranged in different directions, the shape of the first flexible board can be other shapes, such as a long strip.

[0017] In a possible implementation manner of the first aspect above, a thickness of the first flexible board is 0.05 mm to 0.3 mm.

[0018] The thickness of the first flexible board can be dynamically adjusted according to the size of the internal space of the actual electronic device.

[0019] In a second aspect, an embodiment of the present application provides an electronic device, comprising the flexible circuit board, interface, mainboard, battery and screen of the first aspect mentioned above.

[0020] In a possible implementation manner of the first aspect above, the electronic device further includes a printed circuit board; the main board is arranged on one side of the battery along the length direction of the electronic device, and the printed circuit board is arranged on the other side of the battery along the length direction.

[0021] It can be understood that the printed circuit board can be used to carry some functional components of the electronic device, including but not limited to the USB interface and the board-to-board connector. The printed circuit board can be electrically connected to the main board through the first flexible board and the second flexible board to transmit electrical signals.

[0022] In a possible implementation manner of the first aspect above, the electronic device further includes a board-to-board connector; the board-to-board connector and the interface are sequentially arranged on the printed circuit board along a width direction of the electronic device.

[0023] As mentioned above, the arrangement of the board-to-board connector can be adjusted according to the internal device layout of the actual electronic device, which will not be described in detail here.

[0024] In a possible implementation of the first aspect above, the electronic device also includes a battery cover; the battery cover and the first flexible board are arranged on the same side of the battery, and the first flexible board is arranged between the battery cover and the battery; the battery cover includes a first thinning area corresponding to the first flexible board and a second thinning area for forming identification information of the electronic device, wherein the first thinning area and the second thinning area do not overlap.

[0025] It can be understood that the battery cover is arranged on the rear side of the battery. The first flexible board is arranged between the battery and the battery cover. Generally, the battery cover is provided with a second thinning area for forming identification information of the electronic device, and the identification information includes but is not limited to text or patterns. Since the first flexible board has a certain thickness, in order to reserve a certain space for placing the first flexible board, the battery cover is provided with a first thinning area for accommodating the first flexible board, and the first thinning area does not overlap with the second thinning area to avoid the rigidity of the battery cover being reduced due to excessive thinning, thereby avoiding fracture. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] Figure 1 is a schematic diagram of the appearance of an electronic device provided in an embodiment of the present application;

[0027] Figure 2 It is a schematic diagram of a partial structure of an electronic device provided in an embodiment of the present application;

[0028] Figure 3 is a rear view of a partial structure inside an electronic device provided by an embodiment of the present application;

[0029] Figure 4 is a side view of a partial structure inside an electronic device provided by an embodiment of the present application;

[0030] Figure 5 It is a schematic diagram of a partial structure of another electronic device provided in an embodiment of the present application;

[0031] Figure 6 is a schematic diagram of a first flexible board provided in an embodiment of the present application;

[0032] Figure 7 is a schematic diagram of a second flexible board provided in an embodiment of the present application;

[0033] Figure 8 It is a schematic diagram of the internal structure of a simple electronic device provided in an embodiment of the present application;

[0034] Fig. 9 It is a schematic diagram of a partial structure of an electronic device provided in an embodiment of the present application;

[0035] Fig.10 It is a schematic diagram of a battery cover provided in an embodiment of the present application. DETAILED DESCRIPTION

[0036] The illustrative embodiments of the present application include, but are not limited to, a flexible circuit board and an electronic device. The embodiments of the present application are described below in conjunction with the drawings in the embodiments of the present application.

[0037] As mentioned above, in electronic devices, the USB interface needs to be electrically connected to the motherboard through a flexible circuit board. Figure 1 and Figure 2 , Figure 1 is a schematic diagram of the appearance of an electronic device 10 provided in an embodiment of the present application, Figure 2 It is a schematic diagram of a partial structure of an electronic device 10 in some technical solutions.

[0038] In the embodiment of the present application, a mobile phone is used as an example of the electronic device 10. In other embodiments, the electronic device 10 may be a laptop computer, a tablet, a large-screen device, a vehicle-mounted device, a wearable device (e.g., a watch, smart glasses, a helmet), an augmented reality (AR) / virtual reality (VR) device, a personal digital assistant (PDA), etc., and the present application does not limit this.

[0039] In the figures herein, the X direction is the width direction of the electronic device, the Y direction is the length direction of the electronic device, and the Z direction is the thickness direction of the electronic device. The X direction, the Y direction, and the Z direction may be perpendicular to each other.

[0040] It should be noted that the directional terms such as “top”, “bottom”, “left”, “right”, “front” and “back” used in the present embodiment to describe the electronic device 10 are mainly based on the location of the electronic device 10. Figure 1 The display orientation is explained in the figure, with the positive direction of the Y-axis being the "top" and "upper", the negative direction of the Y-axis being the "bottom" and "lower", the positive direction of the X-axis being the "left", the negative direction of the X-axis being the "right", the positive direction of the Z-axis being the "front", and the negative direction of the Z-axis being the "back". It does not constitute a limitation on the orientation of the electronic device 10 in actual application scenarios.

[0041] like Figure 1 and Figure 2 As shown, the electronic device 10 includes a screen 10a, a USB interface 101, a mainboard 102, a flexible circuit board 103, a battery 104, a middle frame 106 and a battery cover 107. The screen 10a is used to display text, images and videos. The screen 10a may include any one of a liquid crystal display (LCD), an organic light-emitting diode (OLED), and an active-matrix organic light-emitting diode (AMOLED).

[0042] The USB interface 101 is an interface that complies with USB standard specifications, and specifically can be a Mini USB interface, a Micro USB interface, a USB Type C interface, etc. The USB interface 101 can be used to connect a charger to charge the battery 104, can also be used to transmit data between the electronic device 10 and a peripheral device, and can also be used to connect headphones to play audio through the headphones.

[0043] The flexible circuit board 103 has the characteristics of being able to be bent, folded and twisted freely, and can be made of polyimide or polyester film as a substrate. The flexible circuit board 103 is used to connect the USB interface 101 and the main board 102. Specifically, one end of the flexible circuit board 103 is welded to the USB interface 101, and the other end is connected to the board-to-board connectors on the main board 102. In this way, the electrical connection between the USB interface 101 and the main board 102 is achieved through the flexible circuit board 103.

[0044] A processor (not shown) is provided on the mainboard 102. After the USB interface 101 is electrically connected to the mainboard 102, the processor can be used to process the transmission data between the USB interface 101 and the peripheral device, and can also be used to control the charging process of the USB interface 101, and can also be used to control the audio output of the USB interface 101.

[0045] In some embodiments, devices such as a memory and a communication module may also be provided on the mainboard 102. The memory and the communication module are electrically connected to the processor respectively. The memory is used to store instructions and data. The communication module can realize wireless communications such as 3G / 4G / 5G of mobile phones. The communication module can realize wireless local area networks (WLAN), Bluetooth (BT) and near field communication technology (NFC) of the electronic device 10.

[0046] It should be noted that the components on the mainboard 102 are not limited to those described above, and electronic components for realizing other performances of the electronic device 10 may also be provided, which are not listed here one by one.

[0047] The middle frame 106 is an important component for connecting various parts of the electronic device 10. The middle frame 106 can be made of metal or plastic material, and has a rectangular shape and a concave structure inside to facilitate the installation of various components.

[0048] It is understood that the USB interface in the electronic device can be fixedly connected to the middle frame through a printed circuit board, or can be directly fixedly connected to the middle frame without a printed circuit board. This application only takes the solution of the USB interface being fixedly connected to the middle frame through a printed circuit board as an example, and does not serve as a limitation.

[0049] The battery cover 107 is installed on the rear side of the battery 104 to provide protection for the electronic device 10 and is usually made of glass, plastic, metal or ceramic.

[0050] It should be noted that Figure 2The locations of the USB interface 101, the main board 102, the flexible circuit board 103, the battery 104, the middle frame 106 and the battery cover 107 are only examples and do not limit the locations of the components in actual scenarios. For example, the main board 102 can be located at the top of the electronic device 10, or at the left side of the battery 104 in the electronic device 10.

[0051] In some embodiments, since the side of the battery 104 facing away from the screen 10a of the electronic device 10 (as the back side of the battery 104) needs to be placed with other functional devices in the electronic device 10, such as a wireless charging coil and an NFC coil, there is not enough wiring space on the back side of the battery 104 to place the flexible circuit board 103, so the flexible circuit board 103 can only be set on the side of the battery 104 facing the screen 10a (as the front side of the battery 104). If the USB interface 101 is to be disassembled and repaired, it is first necessary to open the battery cover on the back side of the electronic device 10, and only after the battery 104 is removed can the flexible circuit board 103 be seen, and then the flexible circuit board 103 is removed from the mainboard 102, and finally the USB interface 101 can be repaired. It can be seen that the structure and setting method of the flexible circuit board 103 make the disassembly of the USB interface 101 cumbersome, and the battery 104 needs to be reinstalled, which increases the difficulty of assembly.

[0052] Based on this, an embodiment of the present application provides a flexible circuit board, which includes two detachably connected flexible boards, one of which is arranged at the rear side of the battery and connected to the USB interface, and the other flexible board is arranged at the front side of the battery and connected to the main board. In this way, when the USB interface needs to be removed, the flexible board connected to the USB interface can be seen by simply opening the battery cover at the rear side of the electronic device. After removing the flexible board, the USB interface can be subsequently processed.

[0053] Specifically, Figures 3 to 5 As shown, an embodiment of the present application provides a flexible circuit board 203 for connecting a USB interface 101 and a main board 102 in an electronic device 10 . Figure 3 It is a rear view of a partial internal structure of an electronic device 10 provided in an embodiment of the present application. Figure 4 It is a side view of a partial structure inside an electronic device 10 provided in an embodiment of the present application. Figure 5 It is a schematic diagram of a partial structure of an electronic device 10 provided in an embodiment of the present application.

[0054] like Figure 3-Figure 5As shown, the flexible circuit board 203 includes a first flexible board 2031 and a second flexible board 2032. Among them, one end of the first flexible board 2031 is connected to the USB interface 101, and the other end of the first flexible board 2031 is detachably connected to one end of the second flexible board 2032 through a board-to-board connector (hereinafter referred to as B2B connector) 204, and the other end of the second flexible board 2032 is connected to the mainboard 102 (not shown). In addition, the first flexible board 2031 is arranged on the rear side of the battery 104, and the second flexible board 2032 is arranged on the front side of the battery 104. In this way, the USB interface 101 is transferred to the second flexible board 2032 through the first flexible board 2031 to achieve electrical connection with the mainboard 102. The first flexible board 2031 can be set smaller, so that the first flexible board 2031 only needs to occupy a smaller wiring space on the rear side of the battery 104. When the USB interface 101 needs to be disassembled, the cover on the rear side of the electronic device 10 is opened to see the first flexible board 2031. Since the first flexible board 2031 and the second flexible board 2032 are detachably connected via the B2B connector 204, the first flexible board 2031 can be easily disconnected from the second flexible board 2032, the first flexible board 2031 is removed, and then the USB interface 101 is subsequently processed. In this way, there is no need to disassemble the battery 104, which simplifies the disassembly steps of the USB interface 101, reduces the complexity of disassembly, and does not need to reinstall the battery 104, which reduces the difficulty of assembly and maintenance costs.

[0055] In some embodiments, Figure 3 and Figure 5 As shown, the electronic device 10 further includes a printed circuit board 105, which can be disposed at the bottom of the electronic device 10, and is used to carry other bottom devices such as the USB interface 101. The middle frame 106 is connected to the printed circuit board 105, and is used to carry the entire printed circuit board 105. It should be noted that the printed circuit board used to carry the USB interface in different electronic devices can be located at any position of the electronic device, and this application does not limit this.

[0056] like Figure 3 As shown, the printed circuit board 105 is used to carry the USB interface 101 and the B2B connector 204. The B2B connector 204 and the USB interface 101 can be arranged on the printed circuit board 105 at intervals along the X direction. It should be noted that the printed circuit board 105 is a circuit board originally arranged in the electronic device 10 for carrying other bottom components such as the USB interface 101. In actual applications, the printed circuit boards for carrying the USB interfaces in different electronic devices can be located at any position of the electronic device.

[0057] In addition, considering the various internal structural designs of electronic devices, the present application does not limit the relative position between the B2B connector 204 and the USB interface 101. Figure 3 The setting method is just an example and is for the convenience of the following description.

[0058] against Figure 1 In the electronic device 10 shown, in order to reduce the thickness of the electronic device 10 in the Z direction, the printed circuit board 105 and the main board 102 are respectively arranged on both sides of the battery 104 along the Y direction. For example, the printed circuit board 105 is arranged on the side of the battery 104 close to the bottom of the electronic device 10, and the main board 102 is arranged on the side of the battery 104 close to the top of the electronic device 10.

[0059] As mentioned above, the first flexible board 2031 and the second flexible board 2032 are connected through the B2B connector 204. The B2B connector 204 may include a first connection seat 2041 and a second connection seat 2042. The first connection seat 2041 and the second connection seat 2042 may be respectively arranged at the ends of the first flexible board 2031 and the second flexible board 2032, so that the connection between the first flexible board 2031 and the second flexible board 2032 can be achieved by the buckling of the first connection seat 2041 and the second connection seat 2042.

[0060] In some embodiments, Figure 6 and Figure 7 As shown, Figure 6 is a schematic diagram of a first flexible board 2031 provided in an embodiment of the present application, Figure 7 2 is a schematic diagram of a second flexible board 2032 provided in an embodiment of the present application. The first connection seat 2041 is arranged at one end of the first flexible board 2031, and the second connection seat 2042 is arranged at one end of the second flexible board 2032. Here, exemplarily, the first connection seat 2041 is a female seat, and the second connection seat 2042 is a male seat. In other examples, the first connection seat 2041 may also be a male seat, and correspondingly, the second connection seat 2042 may be a female seat.

[0061] Generally, the B2B connector 204 has a rectangular shape. Figure 3 As shown, the length direction of the B2B connector 204 is arranged along the X direction, and the width direction of the B2B connector 204 is arranged along the Y direction, that is, the B2B connector 204 is arranged horizontally. In other embodiments of the present application, the length direction of the B2B connector 204 can also be arranged along the Y direction, and the width direction is arranged along the X direction, that is, the B2B connector 204 is arranged vertically. The specific arrangement of the B2B connector 204 can be adjusted according to the internal space of the actual electronic device, and the present application does not limit this.

[0062] In other embodiments of the present application, in addition to the above-mentioned B2B connector 204 , other connectors may be used to achieve a detachable connection between the first flexible board 2031 and the second flexible board 2032 .

[0063] As mentioned above, the USB interface 101 and the B2B connector 204 can be arranged on the printed circuit board 105 at intervals along the X direction. Therefore, in some embodiments, the shape of the first flexible board 2031 includes any of the following: П-shaped, semicircular, arched. Figure 3 , Figure 5 and Figure 6 In the embodiment, the shape of the first flexible board 2031 is П-shaped.

[0064] In addition, as mentioned above, the mainboard 102 is disposed on the side of the battery 104 close to the top of the electronic device 10, and the B2B connector 204 is disposed on the side of the battery 104 close to the bottom of the electronic device 10. Therefore, in some embodiments, the second flexible board 2032 may be in the shape of a long strip.

[0065] Considering that the internal structure design of electronic devices is changeable, in actual applications, in order to adapt to the internal structure of different electronic devices, the shapes of the first flexible board 2031 and the second flexible board 2032 can be adjusted according to the internal structure of the actual electronic device. Figure 8 , another possible flexible circuit board 203 ′ is introduced, in which the shapes of the first flexible board 2031 ′ and the second flexible board 2032 ′ in the flexible circuit board 203 ′ are possible adjustments made according to the internal structure of the electronic device 10 ′.

[0066] Figure 8 It is a schematic diagram of the internal structure of a simple electronic device 10' provided in an embodiment of the present application.

[0067] like Figure 8 As shown, in the electronic device 10', the USB interface 101' and the main board 102' are respectively arranged on both sides of the battery 104', the main board 102' is arranged on the top of the battery 104' near the electronic device 10', and the USB interface 101' is arranged on the bottom of the battery 104' near the electronic device 10'.

[0068] The difference from the electronic device 10 is that in the electronic device 10', on the right side of the battery 104' ( Figure 8The printed circuit board 105' for carrying the device is provided with a B2B connector 204', and the first flexible board 2031' and the second flexible board 2032' are detachably connected through the B2B connector 204'. The first flexible board 2031' is provided on the rear side of the battery 104' with reference to the first flexible board 2031; the second flexible board 2032' is provided on the front side of the battery 104' with reference to the second flexible board 2032. Figure 8 The portion of the second flexible board 2032' blocked by the battery 104' is indicated by a dotted line.

[0069] Depend on Figure 8 It can be seen that the B2B connector 204 ′ is disposed on the right side of the battery 104 ′, so that the shapes of the first flexible board 2031 ′ and the second flexible board 2032 ′ can be adjusted to be a long strip with a bend or an arc.

[0070] Reference Fig. 9 , Fig. 9 1 is a schematic diagram of the structure of the electronic device 10 provided in the embodiment of the present application. It should be noted that: Fig. 9 Only a portion of the battery cover 107 in the Y direction is shown. It can be understood that the battery cover 107 is arranged on the rear side of the battery 104. The first flexible board 2031 is arranged between the battery 104 and the battery cover 107.

[0071] Reference Fig.10 , Fig.10 1 is a schematic diagram of a battery cover plate 107 provided in an embodiment of the present application. For ease of observation, the first flexible plate 2031 is shown in dotted lines. Fig.10 As shown, the battery cover 107 includes a first thinning area 107a corresponding to the first flexible board 2031, and the first thinning area 107a is used to accommodate the first flexible board 2031 after thinning. The thinning thickness of the first thinning area 107a can be determined according to the actual thickness of the first flexible board 2031. Exemplarily, the thickness of the first flexible board 2031 is 0.05mm to 0.3mm, for example, 0.05mm, 0.08mm, 0.09mm, 0.1mm, 0.2mm, 0.3mm, etc. In this way, by thinning the area corresponding to the first flexible board 2031 on the battery cover 107, the thickness of the electronic device 10 in the Z direction due to the first flexible board 2031 can be avoided.

[0072] In some embodiments, the battery cover 107 also includes a second thinning area 107b, which is used for etching after thinning to form identification information of the electronic device 10. The identification information includes but is not limited to text or patterns. The first thinning area 107a does not overlap with the second thinning area 107b to avoid a decrease in the rigidity of the battery cover 107 due to excessive thinning, thereby preventing it from breaking. Specifically, the distance y1 from the upper edge of the first thinning area 107a to the bottom of the electronic device 10 is less than the distance y2 from the lower edge of the second thinning area 107b to the bottom of the electronic device 10. That is, the size of the first flexible board 2031 in the Y direction needs to be determined according to the position of the second thinning area 107b on the battery cover 107.

[0073] It should be noted that, in the examples and description of the present application, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that the process, method, article or equipment including a series of elements includes not only those elements, but also includes other elements not explicitly listed, or also includes elements inherent to such process, method, article or equipment. In the absence of further restrictions, the elements defined by the statement "comprise one" do not exclude the presence of other identical elements in the process, method, article or equipment including the elements.

[0074] Although the present application has been illustrated and described with reference to certain preferred embodiments thereof, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the scope of the present application.

Claims

1. A flexible circuit board, characterized in that: It comprises a first flexible board (2031) and a second flexible board (2032); wherein The first end of the first flexible board (2031) is used to connect to a universal serial bus interface (101) of an electronic device (10) in which the flexible circuit board (203) is located, wherein the first flexible board (2031) is arranged on a side of the battery (104) of the electronic device (10) facing away from a screen (10a) of the electronic device (10), and The second end of the first flexible board (2031) is detachably connected to the first end of the second flexible board (2032); The second end of the second flexible board (2032) is connected to the main board (102) of the electronic device (10), wherein the second flexible board (2032) is arranged on a side of the battery (104) facing the screen (10a).

2. The flexible circuit board according to claim 1, characterized in that: The second end of the first flexible board (2031) is connected to the first end of the second flexible board (2032) via a board-to-board connector (204).

3. The flexible circuit board according to claim 2, characterized in that: The board-to-board connector (204) comprises a first connection seat (2041) and a second connection seat (2042); The first connection seat (2041) is arranged at the second end of the first flexible board (2031), and the second connection seat (2042) is arranged at the first end of the second flexible board (2032).

4. The flexible circuit board according to claim 3, characterized in that: The first connecting seat (2041) is a female seat, and the second connecting seat (2042) is a male seat.

5. The flexible circuit board according to claim 2, characterized in that: The length direction of the board-to-board connector (204) is arranged along the width direction of the electronic device (10), and the width direction of the board-to-board connector (204) is arranged along the length direction of the electronic device (10); Alternatively, the length direction of the board-to-board connector (204) is arranged along the length direction of the electronic device (10), and the width direction of the board-to-board connector (204) is arranged along the width direction of the electronic device (10).

6. The flexible circuit board according to any one of claims 1 to 5, characterized in that: The shape of the first flexible plate (2031) includes any one of the following: I-shaped, semicircular, arched.

7. The flexible circuit board according to claim 6, characterized in that: The thickness of the first flexible plate (2031) is 0.05 mm to 0.3 mm.

8. An electronic device, characterized in that: It comprises the flexible circuit board (203) described in any one of claims 1 to 7, the interface (101), the main board (102), the battery (104) and the screen (10a).

9. The electronic device according to claim 8, characterized in that: The electronic device further comprises a printed circuit board (105); The main board (102) is arranged on one side of the battery (104) along the length direction of the electronic device, and the printed circuit board (105) is arranged on the other side of the battery (104) along the length direction.

10. The electronic device according to claim 9, characterized in that: The electronic device also includes a board-to-board connector (204); The board-to-board connector (204) and the interface (101) are arranged in sequence on the printed circuit board (105) along the width direction of the electronic device.

11. The electronic device according to claim 8, characterized in that: The electronic device further comprises a battery cover plate (107); the battery cover plate (107) and the first flexible plate (2031) are arranged on the same side of the battery (104), and the first flexible plate (2031) is arranged between the battery cover plate (107) and the battery (104); The battery cover plate (107) comprises a first thinned area (107a) corresponding to the first flexible plate (2031) and a second thinned area (107b) for forming identification information of the electronic device, wherein The first thinned area (107a) and the second thinned area (107b) do not overlap.

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