CN108008767B

CN108008767B - Flexible electronic device

Info

Publication number: CN108008767B
Application number: CN201711243345.XA
Authority: CN
Inventors: 朱德进
Original assignee: Meizu Technology Co Ltd
Current assignee: Meizu Technology Co Ltd
Priority date: 2017-11-30
Filing date: 2017-11-30
Publication date: 2021-03-16
Anticipated expiration: 2037-11-30
Also published as: CN108008767A

Abstract

An embodiment of the present invention provides a flexible electronic device, wherein a device substrate includes a first portion, a second portion, and a bendable portion. The bendable part comprises a first rotating shaft and a second rotating shaft, and the first rotating shaft and the second rotating shaft are connected between the first part and the second part; the first part comprises a communication module, a first metal wire and a second metal wire, the second part comprises a third metal wire, one end of the first metal wire is electrically connected with the first output end of the communication module, and the other end of the first metal wire is electrically connected with one end of the first rotating shaft; the other end of the first rotating shaft, which is far away from the first metal wire, is electrically connected with one end of a third metal wire, the other end of the third metal wire is electrically connected with one end of a second rotating shaft, the other end of the second rotating shaft, which is far away from the third metal wire, is electrically connected with one end of a second metal wire, and the other end of the second metal wire is electrically connected with a second output end of the communication module; the first metal wire, the first rotating shaft, the third metal wire, the second rotating shaft and the second metal wire form at least one part of the antenna structure.

Description

Flexible electronic device

Technical Field

The invention relates to the technical field of electronics, in particular to flexible electronic equipment.

Background

Currently, mobile electronic devices are widely used in daily life. The flexible electronic equipment can change the form of the flexible electronic equipment according to different use scenes, has the advantages of convenience in carrying and use, and is more popular with users. When the flexible electronic device is in a working state, the flexible electronic device can be in a planar state so as to facilitate image display and functional operation; when the flexible electronic equipment is in a sleeping or power-off state, the flexible electronic equipment can be folded or folded, so that the size is reduced, and the flexible electronic equipment is convenient to carry.

However, how to design an antenna structure (especially a near-field antenna structure) of a flexible electronic device and minimize the influence of the state change of the flexible electronic device on the antenna structure are important issues in the industry.

Disclosure of Invention

In view of the above, there is a need for a flexible electronic device with a reasonably designed antenna structure.

The embodiment of the invention provides flexible electronic equipment, which comprises an equipment base body, a flexible electronic equipment base body and a flexible electronic equipment base body, wherein the equipment base body comprises a first part, a second part and a bendable part connected between the first part and the second part; the bendable part comprises a first rotating shaft and a second rotating shaft, the first rotating shaft and the second rotating shaft are connected between the first part and the second part, and the first rotating shaft and the second rotating shaft are jointly used for enabling the first part to rotate relative to the second part so as to realize the switching between the bending state and the tiled unfolding state of the flexible electronic equipment; the first part comprises a communication module, a first metal wire and a second metal wire, the second part comprises a third metal wire, one end of the first metal wire is electrically connected with a first output end of the communication module, and the other end of the first metal wire is electrically connected with one end of the first rotating shaft; the other end of the first rotating shaft, which is far away from the first metal wire, is electrically connected with one end of a third metal wire, the other end of the third metal wire is electrically connected with one end of a second rotating shaft, the other end of the second rotating shaft, which is far away from the third metal wire, is electrically connected with one end of a second metal wire, and the other end of the second metal wire is electrically connected with a second output end of the communication module; the first metal wire, the first rotating shaft, the third metal wire, the second rotating shaft and the second metal wire form at least one part of an antenna structure.

In one embodiment, the bendable portion further comprises a flexible circuit board connected between the first and second portions and for transmitting electrical signals between the first and second portions; the flexible circuit board comprises a fourth metal wire, one end of the fourth metal wire is electrically connected with the first metal wire, and the other end, far away from the first metal wire, of the fourth metal wire is electrically connected with the third metal wire; the first metal wire, the first rotating shaft, the fourth metal wire, the third metal wire, the second rotating shaft and the second metal wire form at least one part of the antenna structure.

In one embodiment, the flexible circuit board extends in the same direction as the first rotating shaft and the second rotating shaft, and the flexible circuit board is located between the first rotating shaft and the second rotating shaft.

In one embodiment, the first metal line, the first rotation axis, the third metal line, the second rotation axis, and the second metal line form at least a part of the antenna structure to implement a near-field antenna function.

In one embodiment, the flexible electronic device further includes at least one connection element, where the at least one connection element connects the other end of the first metal wire to the first rotating shaft, connects one end of the second metal wire to the second rotating shaft, connects one end of the third metal wire to one end of the first rotating shaft far away from the first metal wire, and/or connects the other end of the third metal wire to one end of the second rotating shaft far away from the second metal wire.

In one embodiment, the at least one connection element includes four connection elements respectively connecting the other end of the first metal wire with the first rotation shaft, one end of the second metal wire with the second rotation shaft, one end of the third metal wire with one end of the first rotation shaft away from the first metal wire, and the other end of the third metal wire with one end of the second rotation shaft away from the second metal wire.

In one embodiment, the connecting element is a conductive dome, conductive foam, pogo pin, spring, or connector.

In one embodiment, the flexible electronic device further includes an adjustable circuit device electrically connected to the first metal line, the second metal line, the third metal line, a connection between the first metal line and the first rotating shaft, a connection between the third metal line and the second rotating shaft, and/or a connection between the second metal line and the second rotating shaft, for adjusting an inductance of the antenna structure.

In one embodiment, the tunable circuit device includes an inductor or a combination of an inductor and a capacitor.

In one embodiment, the flexible electronic device further comprises a display screen; the display screen is a flexible display screen and comprises a first display area, a second display area and a bendable display area connected between the first display area and the second display area, wherein the first display area is borne by the first portion, the second display area is borne by the second portion, and the bendable portion bears the bendable display area.

Compared with the prior art, the two rotating shafts, the first metal wire, the second metal wire, the third metal wire and the like of the flexible electronic equipment form at least one part of the antenna structure, so that no extra ferrite component is required to be added or added as little as possible as the antenna structure, the design is reasonable, the weight and the volume of the flexible electronic equipment are favorably reduced, and the material cost can be reduced to a certain extent. Furthermore, the two rotating shafts are used as a part of the antenna structure, so that the antenna structure is not easily affected by the state change of the flexible electronic device, and the performance of the antenna structure is better.

Further, in an embodiment, the two rotation shafts, the fourth metal wire of the flexible circuit board, the first metal wire, the second metal wire, and the third metal wire may form the antenna structure to implement a near-field antenna function; in another embodiment, the first metal wire, the first rotating shaft, the third metal wire, the second rotating shaft, and the second metal wire form the antenna structure to implement a near-field antenna function, and a user can select which antenna structure is described above according to actual needs.

In one embodiment, the flexible electronic device further comprises at least one connecting element, which may be a conductive dome, a conductive foam, a pogo pin, or a connector. The connecting element not only ensures the connection reliability between the two rotating shafts and the first and second parts and between the flexible circuit board and the first and second parts, but also has low cost and is easy to realize.

In an embodiment, the flexible electronic device further includes an adjustable circuit device, and the adjustable circuit device is electrically connected to the first metal line, the second metal line, and/or the third metal line, and is configured to adjust an inductance of the antenna structure, so as to adjust a performance of the antenna structure, so that the antenna structure has a higher radiation efficiency, no frequency offset, and a better performance, and further improve a usage experience of the flexible electronic device. The adjustable circuit device comprises a capacitor or a combination of the capacitor and the inductor, so that the performance adjustment of the antenna structure can be realized easily, and the cost is low.

In one embodiment, the display screen is a flexible display screen, and the display screen comprises a first display area, a second display area and a bendable display area connected between the first display area and the second display area, so that the display area of the display screen is large and can be bent, and better user experience is brought.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.

Fig. 1 is a schematic perspective view of a flexible electronic device according to a first embodiment of the present invention in a flat unfolded state.

Fig. 2 is a schematic perspective view of the flexible electronic device shown in fig. 1 in a folded and bent state.

Fig. 3 is a schematic perspective view of the flexible electronic device shown in fig. 2 with the housing removed.

Fig. 4 is a schematic view of the back side of the flexible electronic device shown in fig. 2 with the housing removed and in a flat unfolded state.

Fig. 5 is a schematic view of a back structure of a flexible electronic device according to a second embodiment of the present invention in a laid flat unfolded state with a housing removed.

Description of the main elements

Flexible electronic device 10, 20

Device base body 11

Display screen 12

First portion

111, 211

Second portion

112, 212

Bendable portion 113

First display area 121

Second display area 122

Bendable display area 123

First metal lines

111a, 211a

Second metal lines 111b, 211b

Third metal lines 112a, 212a

Fourth metal line 214a

Flexible circuit boards

114, 214

The

shafts

116, 116a, 116b, 216a, 216b

Adjustable circuit device 130

Processor 140

Detection device 150

Communication module 160

Connecting element 170

The following detailed description will further illustrate the invention in conjunction with the above-described figures.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without inventive effort based on the embodiments of the present invention, are within the scope of the present invention.

It is to be understood that the terminology used in the embodiments of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used in the description of the invention and the appended claims, the singular forms "a", "an", and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It should also be understood that the term "and/or" as used herein refers to and encompasses any and all possible combinations of one or more of the associated listed items. Furthermore, the terms "first," "second," and the like in the description and in the claims, as well as in the drawings, are used for distinguishing between different objects and not necessarily for describing a particular order. Furthermore, the terms "include" and "have," as well as any variations thereof, are intended to cover non-exclusive inclusions. For example, a process, method, system, article, or apparatus that comprises a list of steps or elements is not limited to only those steps or elements listed, but may alternatively include other steps or elements not listed, or inherent to such process, method, article, or apparatus.

The flexible electronic device according to the embodiment of the present invention may be any flexible device having communication and storage functions, for example: the system comprises flexible intelligent equipment with a network function, such as a tablet Computer, a mobile phone, an electronic reader, a remote controller, a Personal Computer (PC), a notebook Computer, vehicle-mounted equipment, a network television, wearable equipment and the like.

Referring to fig. 1 and fig. 2, fig. 1 is a schematic perspective view of a flexible electronic device 10 according to a first embodiment of the present invention in a flat unfolded state, and fig. 2 is a schematic perspective view of the flexible electronic device 10 shown in fig. 1 in a folded and bent state. The embodiment of the present invention mainly takes the flexible electronic device 10 as a mobile phone as an example to explain the present invention. It is understood that the flexible electronic device 10 has a folded state and a flat unfolded state, and includes a device base 11 and a display 12.

The display 12 is disposed on a side surface of the device base 11, and the device base 11 may be used to support and support the display 12. The device base 11 includes a first portion 111, a second portion 112, and a bendable portion 113 connected between the first portion 111 and the second portion 112, where the bendable portion 113 is configured to rotate the first portion 111 relative to the second portion 112, so as to switch the flexible electronic device 10 between a bent state and a flat unfolded state. It is understood that the first portion 111, the second portion 112 and the bendable portion 113 may each include a housing and various functional devices (e.g., circuit board, battery, etc.) housed in the housing.

In this embodiment, the display 12 is a flexible display 12 (for example, an OLED display 12), and includes a first display area 121, a second display area 122, and a bendable display area 123 connected between the first display area 121 and the second display area 122, wherein the first portion 111 bears the first display area 121, the second portion 112 bears the second display area 122, and the bendable portion 113 bears the bendable display area 123. It is understood that in an alternative embodiment, the display 12 may also include a first display area 121, a second display area 122 and a bendable non-display area connected between the first display area 121 and the second display area 122, the first portion 111 carries the first display area 121, the second portion 112 carries the second display area 122, and the bendable portion 113 carries the bendable non-display area. In the modified embodiment, the first and second display regions 122 may be independent of each other and may be non-flexible display regions, such as liquid crystal display regions.

Referring to fig. 3 and 4, fig. 3 is a schematic perspective view of the flexible electronic device 10 shown in fig. 2 with the housing removed, and fig. 4 is a schematic back view of the flexible electronic device 10 shown in fig. 2 with the housing removed when the flexible electronic device 10 is in a flat unfolded state. The first portion 111 includes a communication module 160, a first metal line 111a, and a second metal line 111 b. The second portion 112 includes a third metal line 112 a. The bendable portion 113 includes a first shaft 116a, a second shaft 116b, a flexible circuit board 114 and a connecting element 170.

The two

rotating shafts

116a, 116b are connected between the first portion 111 and the second portion 112, and the two

rotating shafts

116a, 116b are used together to rotate the first portion 111 relative to the second portion 112, so that the flexible electronic device 10 is switched between the folded state and the unfolded state. Specifically, the two

rotation shafts

116a, 116b may be connected to the first portion 111 and the second portion 112 through a connection member 170. Further, the two

rotating shafts

116a and 116b may be watch chain type rotating shafts 116, and include a plurality of connecting bodies that are sequentially and rotatably connected.

One end of the first metal wire 111a is connected to a first output end of the communication module 160, and the other end of the first metal wire 111a is electrically connected to one end of the first rotating shaft 116 a; the other end of the first rotating shaft 116a, which is far away from the first metal wire 111a, is electrically connected to one end of the third metal wire 112a, the other end of the third metal wire 112a is electrically connected to one end of the second rotating shaft 116b, the other end of the second rotating shaft 116b, which is far away from the third metal wire 112a, is electrically connected to one end of the second metal wire 111b, and the other end of the second metal wire 111b is electrically connected to the second output end of the communication module 160.

The first metal line 111a, the first rotating shaft 116a, the third metal line 112a, the second rotating shaft 116b, and the second metal line 111b constitute at least a part of an antenna structure, and specifically, the antenna structure may be a near field antenna for implementing a near field antenna function. It is understood that the first portion 111 may include a circuit board (e.g., a printed circuit board), and the first metal line 111a, the second metal line 111b and the communication module 160 may be disposed on the circuit board of the first portion 111. The second portion 112 may also include a circuit board (e.g., a printed circuit board), and the third metal line 112a may be disposed on the circuit board of the second portion 112.

Specifically, one end of the first rotating shaft 116a adjacent to the first portion 111 may be connected to the first metal wire 111a of the first portion 111 through a connecting element 170, and one end of the first rotating shaft 116a away from the first portion 111 and adjacent to the second portion 112 may be connected to one end of the third metal wire 112a of the second portion 112 through a connecting element 170; one end of the second rotating shaft 116b adjacent to the first portion 111 may be connected to the second metal wire 111b of the first portion 111 through a connecting element 170, and one end of the second rotating shaft 116b away from the first portion 111 and adjacent to the second portion 112 may be connected to the other end of the third metal wire 112a of the second portion 112 through a connecting element 170. In one embodiment, the connecting element 170 is a conductive clip, a conductive foam, a pogo pin, or a connector.

The flexible circuit board 114 is connected between the first portion 111 and the second portion 112 and is used for transmitting an electrical signal between the first portion 111 and the second portion 112, and the flexible circuit board 114 may be located between the two

rotating shafts

116a and 116b and an extending direction of the two

rotating shafts

116a and 116 b.

The flexible electronic device 10 further includes an adjustable circuit device 130, a detection device 150, a processor 140, and a plurality of antennas. The adjustable circuit device 130 may be electrically connected to the first metal line 111a, the second metal line 111b and/or the third metal line 112 a. Specifically, the adjustable circuit device 130 is electrically connected to a connection point of the first metal line 111a and the first rotating shaft 116a, a connection point of the third metal line 112a and the second rotating shaft 116b, and/or a connection point of the second metal line 111b and the second rotating shaft 116 b. In the embodiment shown in fig. 4, the connection between the first metal line 111a and the first rotating shaft 116a is mainly illustrated by the adjustable circuit device 130.

The parameters of the adjustable circuit device 130 are adjustable for adjusting the performance of the antenna structure of the flexible electronic device 10; the adjustable circuit device 130 is further electrically connected to the processor 140, and the processor 140 is further electrically connected to the detecting device 150. The adjustable circuit device 130, the processor 140 and the detection device 150 may be disposed in the first portion 111 and/or the second portion 112, and in this embodiment, the adjustable circuit device 130, the processor 140 and the detection device 150 are disposed in the first portion 111 for example, and the adjustable circuit device 130, the processor 140 and the detection device 150 may be disposed on a circuit board of the first portion 111.

It is understood that, in one embodiment, the adjustable circuit device 130 includes an adjustable inductor, and the first metal line 111a of the first portion 111 is electrically connected to the first rotating shaft 116a through the adjustable inductor; or the third metal wire 112a of the second portion 112 is electrically connected to the first rotating shaft 116a through an adjustable inductor; or the second metal wire 111b of the first portion 111 is electrically connected to the second rotating shaft 116b through an adjustable inductor; or the third metal line 112a of the second portion 112 is electrically connected to the second rotating shaft 116b through an adjustable inductor. Or the electric connection mode of the adjustable inductor is any combination of the above electric connection modes. In another embodiment, the adjustable circuit device 130 includes two adjustable inductors, and the first metal line 111a of the first portion 111 is electrically connected to the first rotating shaft 116a through one of the two adjustable inductors; the third metal line 112a of the second portion 112 is electrically connected to the second rotating shaft 116b through the other of the two adjustable inductors. Furthermore, in other embodiments, the adjustable circuit device 130 includes a combination of adjustable inductance and capacitance.

The detecting device 150 is configured to detect whether the flexible electronic device 10 is currently in a bending state or a flat spreading state, and the processor 140 of the flexible electronic device 10 is further configured to adjust a parameter of the adjustable circuit device 130 according to a detection result of the detecting device 150, so as to adjust a performance of an antenna structure of the flexible electronic device 10 to adapt to the current bending state or the flat spreading state.

In an embodiment, the detecting device 150 is further configured to detect a bending degree of the flexible electronic device 10 in a bending state, and the processor 140 is further configured to adjust the parameter of the adjustable circuit device 130 to different values according to the different bending degrees detected by the detecting device 150, so as to adjust the performance of the antenna structure of the flexible electronic device 10 to be suitable for the current bending degree.

In an embodiment, the parameter of the adjustable circuit device 130 has an initial value, the initial value corresponds to a default initial state of the flexible electronic apparatus 10, the default initial state is the bending state or the tiled unfolding state, the detecting device 150 is further configured to detect whether the current bending state of the flexible electronic apparatus 10 is consistent with the default initial state, and if the detecting device 150 detects that the current bending state of the flexible electronic apparatus 10 is inconsistent with the default initial state, the processor 140 adjusts the parameter of the adjustable circuit device 130 to a preset value corresponding to the current state.

Compared with the prior art, the two

rotating shafts

116a and 116b, the first metal wire 111a, the second metal wire 111b, and the third metal wire 112a of the flexible electronic device 10 of the present invention form at least a portion of the antenna structure, so that no additional ferrite component is needed to be added or added as little as possible as the antenna structure, and the design is reasonable, which is beneficial to reducing the weight and volume of the flexible electronic device 10, and can reduce the material cost to a certain extent. Further, the two

rotation shafts

116a and 116b are used as a part of the antenna structure, so that the antenna structure is not easily affected by the state change of the flexible electronic device 10, and the performance of the antenna structure is better.

In one embodiment, the bendable portion 113 further includes a flexible circuit board 114, and the flexible circuit board 114 can transmit electrical signals between the first portion 111 and the second portion 112, so that the first portion 111 and the second portion 112 can cooperate with each other more easily. The flexible circuit board 114 is located between the first rotating shaft 116a and the second rotating shaft 116b, so that the flexible electronic device 10 can be better balanced in various states.

Further, in one embodiment, the two

rotation shafts

116a and 116b, the fourth metal line of the flexible circuit board 214, the first metal line, the second metal line, and the

third metal line

111a, 111b, and 112a may constitute the antenna structure to implement a near-field antenna function; in another embodiment, the first metal line 111a, the first rotating shaft 116a, the third metal line 112a, the second rotating shaft 116b, and the second metal line 111b form the antenna structure to implement a near field antenna function, and a user can select which antenna structure is described above according to actual needs.

In an embodiment, the two rotating shafts 116 are watch chain type rotating shafts, and include a plurality of connectors that are sequentially and rotatably connected, so that the bending state and the spreading state of the flexible electronic device 10 are more smooth, and the flexible electronic device 10 is helped to be maintained in a stable bending state or spreading state.

In one embodiment, the flexible electronic device 10 further comprises at least one connecting element 170, which may be a conductive clip, a conductive foam, a pogo pin, or a connector, for the connecting element 170. The connection element 170 not only ensures the connection reliability between the two

rotation shafts

116a and 116b and the first and

second portions

111 and 112, and between the flexible circuit board 114 and the first and

second portions

111 and 112, but also has low cost and is easy to implement.

In an embodiment, the flexible electronic device 10 further has an adjustable circuit device 130, and the adjustable circuit device 130 is electrically connected to the first metal line 111a, the second metal line 111b, and/or the third metal line 112a, and is configured to adjust an inductance of the antenna structure, so as to adjust a performance of the antenna structure, so that the antenna structure has a higher radiation efficiency, no frequency offset, and a better performance, and further, a usage experience of the flexible electronic device 10 is improved. The tunable circuit device 130 includes a capacitor or a combination of a capacitor and an inductor, which not only can easily realize the performance tuning of the antenna structure, but also has low cost.

In an embodiment, the flexible electronic device 10 includes a detecting device 150 and a processor 140, where the detecting device 150 is configured to detect whether the flexible electronic device 10 is currently in a bent state or a tiled unfolded state, and the processor 140 of the flexible electronic device 10 is further configured to adjust a parameter of the adjustable circuit device 130 according to a detection result of the detecting device 150, so as to adjust a performance of the antenna structure of the flexible electronic device 10 to be adapted to the current bent state or the tiled unfolded state, so that the performance of the antenna structure of the flexible electronic device 10 in the bent state or the tiled unfolded state is better, and further the performance of the antenna in the bent state or the tiled unfolded state is better, thereby improving a usage experience of the flexible electronic device 10.

In an embodiment, the display screen 120 is a flexible display screen, and includes a first display area 121, a second display area 122, and a bendable display area 123 connected between the first display area 121 and the second display area 122, so that the display area of the display screen 120 is large and can be bent, thereby providing better user experience.

Referring to fig. 5, fig. 5 is a schematic view of a back side structure of a flexible electronic device 20 according to a second embodiment of the present invention in a flat unfolded state with a housing removed. The flexible electronic device 20 of the second embodiment has substantially the same structure as the flexible electronic device 10 of the first embodiment, and the main difference between the two is that: the flexible circuit board 214 further includes a fourth metal line 214a, one end of the fourth metal line 214a is electrically connected to the first metal line 211a of the first portion 211, and the other end of the fourth metal line 214a away from the first metal line 211a is electrically connected to the third metal line 212a of the second portion 212; the first metal line 211a, the first rotation axis 216a, the fourth metal line 214a, the third metal line 212a, the second rotation axis 216b, and the second metal line 211b constitute at least a portion of an antenna structure. The antenna structure may be, for example, a near-field antenna structure for implementing a near-field antenna function.

In the second embodiment, the flexible circuit board 214 may include a fourth metal line 214a, and two ends of the fourth metal line 214a are electrically connected to the first metal line 211a of the first portion 211 and the second metal line 212a of the second portion 212, respectively, so that the first metal line 211a, the first rotating shaft 216a, the fourth metal line 214b, the third metal line 212a, the second rotating shaft 216b, and the second metal line 211b form an antenna structure, and a user may select which of the first and second embodiments of the antenna structure according to actual needs.

It can be understood that the near field antenna includes coupling antennas used in situations such as NFC, wireless charging, etc. for near field card reading communication or charging, and there are three types of common near field antenna solutions:

1. the near field antenna is placed in the rear cover plastic or glass windowing area. The antenna has good clearance environment, is beneficial to antenna radiation, does not affect other antennas, but affects the appearance and the hand feeling of the mobile phone;

2. the near-field antenna is designed around the ring camera, the antenna is arranged on the inner surface of the metal rear cover, and the metal ring edge of the camera is cut off at a certain position, but the appearance of the product is affected by the groove.

3. The upper and lower metal strips are used. The antenna is shared by a GPS/WIFI antenna and an LTE main antenna and an LTE auxiliary antenna. The scheme can possibly influence the GPS/WIFI antenna and the LTE main and auxiliary antennas, and the near-field antenna radiating body is shorter, and the performance of the read-write card is poorer.

In conclusion, the invention has the following beneficial effects:

1. the function of a near-field antenna is realized by utilizing a rotating shaft and a flexible circuit board at the rotating shaft of the flexible electronic equipment;

2. the near-field antenna has good performance and is not influenced by the state change of the flexible electronic equipment;

3. no additional ferrite component is needed, and the cost is low.

While the invention has been described in connection with what is presently considered to be the most practical and preferred embodiment, it is to be understood that the invention is not to be limited to the disclosed embodiment, but on the contrary, is intended to cover various modifications and equivalent arrangements included within the spirit and scope of the appended claims.

Claims

1. A flexible electronic device, characterized in that: the flexible electronic device includes:

a device base including a first portion, a second portion, and a bendable portion connected between the first portion and the second portion;

the bendable part comprises a first rotating shaft and a second rotating shaft, the first rotating shaft and the second rotating shaft are connected between the first part and the second part, and the first rotating shaft and the second rotating shaft are jointly used for enabling the first part to rotate relative to the second part so as to realize the switching between the bending state and the tiled unfolding state of the flexible electronic equipment;

the first part comprises a communication module, a first metal wire and a second metal wire, the second part comprises a third metal wire, one end of the first metal wire is electrically connected with a first output end of the communication module, and the other end of the first metal wire is electrically connected with one end of the first rotating shaft; the other end of the first rotating shaft, which is far away from the first metal wire, is electrically connected with one end of a third metal wire, the other end of the third metal wire is electrically connected with one end of a second rotating shaft, the other end of the second rotating shaft, which is far away from the third metal wire, is electrically connected with one end of a second metal wire, and the other end of the second metal wire is electrically connected with a second output end of the communication module;

the first metal wire, the first rotating shaft, the third metal wire, the second rotating shaft and the second metal wire form at least one part of an antenna structure.

2. The flexible electronic device of claim 1, wherein: the bendable portion further comprises a flexible circuit board connected between the first portion and the second portion and used for transmitting electrical signals between the first portion and the second portion;

the flexible circuit board comprises a fourth metal wire, one end of the fourth metal wire is electrically connected with the first metal wire, and the other end, far away from the first metal wire, of the fourth metal wire is electrically connected with the third metal wire;

the first metal wire, the first rotating shaft, the fourth metal wire, the third metal wire, the second rotating shaft and the second metal wire form at least one part of the antenna structure.

3. The flexible electronic device of claim 2, wherein: the flexible circuit board is located between the first rotating shaft and the second rotating shaft.

4. The flexible electronic device of claim 1, wherein: the first metal wire, the first rotating shaft, the third metal wire, the second rotating shaft and the second metal wire form at least one part of the antenna structure so as to realize the function of a near-field antenna.

5. The flexible electronic device of claim 1, wherein: the flexible electronic device further comprises at least one connecting element, wherein the at least one connecting element connects the other end of the first metal wire with the first rotating shaft, connects one end of the second metal wire with the second rotating shaft, connects one end of the third metal wire with one end of the first rotating shaft far away from the first metal wire, and/or connects the other end of the third metal wire with one end of the second rotating shaft far away from the second metal wire.

6. The flexible electronic device of claim 5, wherein: the at least one connecting element comprises four connecting elements, and the four connecting elements are used for respectively connecting the other end of the first metal wire with the first rotating shaft, one end of the second metal wire with the second rotating shaft, one end of the third metal wire with one end of the first rotating shaft far away from the first metal wire, and the other end of the third metal wire with one end of the second rotating shaft far away from the second metal wire.

7. The flexible electronic device of claim 5, wherein: the connecting element is a conductive elastic sheet, conductive foam, pogo pin, spring or connector.

8. The flexible electronic device of claim 1, wherein: the flexible electronic device further comprises an adjustable circuit device, wherein the adjustable circuit device is electrically connected with the first metal wire, the second metal wire, the third metal wire, the joint of the first metal wire and the first rotating shaft, the joint of the third metal wire and the second rotating shaft, and/or the joint of the second metal wire and the second rotating shaft, and is used for adjusting the inductance of the antenna structure.

9. The flexible electronic device of claim 8, wherein: the adjustable circuit device includes an inductor or a combination of an inductor and a capacitor.

10. The flexible electronic device of claim 1, wherein: the flexible electronic device further comprises: a display screen;

the display screen is a flexible display screen and comprises a first display area, a second display area and a bendable display area connected between the first display area and the second display area, wherein the first display area is borne by the first portion, the second display area is borne by the second portion, and the bendable portion bears the bendable display area.