WO2020019836A1

WO2020019836A1 - Antenna assembly and electronic device

Info

Publication number: WO2020019836A1
Application number: PCT/CN2019/087561
Authority: WO
Inventors: 周林; 顾亮
Original assignee: Oppo广东移动通信有限公司
Priority date: 2018-07-24
Filing date: 2019-05-20
Publication date: 2020-01-30
Also published as: CN109037918B; CN109037918A

Abstract

Provided in an embodiment of the present invention are an antenna assembly and an electronic device. The antenna assembly comprises a metal main body portion, a first metal connection portion, a second metal connection portion, and eight radiators, wherein the first radiator and the second radiator are connected to the first metal connection portion, the third radiator and the fourth radiator are connected to the second metal connection portion, and one side of a surface of the metal main body portion is provided with the fifth radiator, the sixth radiator, the seventh radiator and the eighth radiator.

Description

Antenna assembly and electronic equipment

This application claims priority from a Chinese patent application filed on July 24, 2018 with the Chinese Patent Office, application number 201810821023.7, and application name "Antenna Assembly and Electronic Equipment", the entire contents of which are incorporated herein by reference.

Technical field

The present application relates to the technical field of electronic devices, and in particular, to an antenna assembly and an electronic device.

Background technique

With the development of communication technology, people are increasingly using mobile electronic devices such as mobile phones and tablet computers in their daily lives.

The antenna is the main electronic component that realizes the communication function of electronic equipment. It is also one of the indispensable electronic components. At the same time, setting multiple antennas has become a design trend to ensure good communication of electronic equipment. However, electronic equipment now includes two long-term evolutions. Antennas, a position positioning antenna and a wireless fidelity antenna. The number of antennas is limited and cannot meet the higher antenna requirements.

technical problem

Embodiments of the present application provide an antenna assembly and an electronic device, so as to provide multiple antennas in the electronic device to meet higher antenna requirements.

Technical solutions

An antenna assembly includes:

A metal body portion having a flat plate structure, the metal body portion having a first side and a second side opposite to each other, a third side and a fourth side opposite to each other, and a first surface and a first side Two surfaces, the first side, the second side, the third side, and the fourth side are disposed between the first surface and the second surface;

A first metal connection portion and a second metal connection portion, the first metal connection portion is connected to the third side surface, and the second metal connection portion is connected to the fourth side surface;

A first radiator, a second radiator, a third radiator, and a fourth radiator, the first radiator is connected to an end of the first metal connection portion facing the first side, and the second radiator is connected to An end of the first metal connecting portion facing the second side, the third radiator is connected to an end of the second metal connecting portion facing the first side, and a fourth radiator is connected to the second One end of the metal connecting portion facing the second side surface, the first radiator, the second radiator, the third radiator, and the fourth radiator are all spaced from the metal body portion, and the first radiator, The second radiator, the third radiator, and the fourth radiator are used for transmitting and receiving wireless signals in the first frequency band; and

A fifth radiator, a sixth radiator, a seventh radiator, and an eighth radiator; the fifth radiator, the sixth radiator, the seventh radiator, and the eighth radiator are connected to the first portion of the metal body portion; The surface is arranged at intervals, and the fifth radiator, the sixth radiator, the seventh radiator, and the eighth radiator are used for transmitting and receiving wireless signals in the second frequency band.

An electronic device includes:

An antenna assembly, which is the antenna assembly described above; and

A circuit board provided with a plurality of feed sources, a plurality of matching circuits, and a plurality of ground return circuits, the first radiator, the second radiator, the third radiator, the fourth radiator, the fifth radiator, Each of the sixth radiator, the seventh radiator, and the eighth radiator is electrically connected to one or more of the feed sources through at least one of the matching circuits, and is grounded through at least one of the ground return circuits.

Beneficial effect

An antenna assembly and an electronic device provided in the embodiments of the present application, the antenna assembly includes a metal body portion, a first metal connection portion, a second metal connection portion, and eight radiators disposed around the metal body portion. A first metal connection portion and a second metal connection portion are connected to the metal main body portion, the first radiator and the second radiator are connected to the first metal connection portion, the third radiator and the fourth radiation The first radiator, the second radiator, the third radiator, and the fourth radiator are used for transmitting and receiving wireless signals in the first frequency band. Six radiators, seventh radiators, and eighth radiators are spaced from the surface of the metal body portion, and the fifth radiator, the sixth radiator, the seventh radiator, and the eighth radiator are used for receiving and transmitting the second radiator. The wireless signal of the frequency band, the radiator is electrically connected to the feed source through the matching circuit of the circuit board of the electronic device to send and receive the wireless signal, and a 4 × 4 5G-MIMO antenna with a dual frequency band is realized. Set multiple Destination line, to meet the demand for higher antenna.

BRIEF DESCRIPTION OF THE DRAWINGS

In order to explain the technical solutions in the embodiments of the present application more clearly, the drawings used in the description of the embodiments are briefly introduced below. Obviously, the drawings in the following description are just some embodiments of the application. For those skilled in the art, other drawings can be obtained based on these drawings without paying creative labor.

FIG. 1 is a structural perspective view of an electronic device according to an embodiment of the present application.

FIG. 2 is a side view of an electronic device according to an embodiment of the present application.

FIG. 3 is a schematic structural diagram of a first implementation manner of an antenna assembly according to an embodiment of the present application.

FIG. 4 is a schematic structural diagram of a second implementation manner of an antenna assembly according to an embodiment of the present application.

FIG. 5 is a schematic structural diagram of a third implementation manner of an antenna assembly according to an embodiment of the present application.

FIG. 6 is a schematic structural diagram of a fourth implementation manner of an antenna assembly according to an embodiment of the present application.

FIG. 7 is a schematic structural diagram of a fifth implementation manner of an antenna assembly according to an embodiment of the present application.

FIG. 8 is a schematic structural diagram of a sixth implementation manner of an antenna assembly according to an embodiment of the present application.

FIG. 9 is a schematic structural diagram of a seventh implementation manner of an antenna assembly according to an embodiment of the present application.

FIG. 10 is a schematic structural diagram of a combination of an antenna component and a circuit board according to an embodiment of the present application.

Embodiments of the invention

An antenna assembly includes:

A first radiator, a second radiator, a third radiator, and a fourth radiator, the first radiator is connected to an end of the first metal connecting portion facing the first side, and the second radiator Connected to an end of the first metal connecting portion facing the second side, the third radiator is connected to an end of the second metal connecting portion facing the first side, and the fourth radiator is connected to An end of the second metal connecting portion facing the second side, and the first radiator, the second radiator, the third radiator, and the fourth radiator are all spaced from the metal body portion. A radiator, a second radiator, a third radiator, and a fourth radiator for transmitting and receiving wireless signals in the first frequency band; and

In the antenna assembly provided in the present application, the fifth radiator and the sixth radiator are sequentially arranged along a direction from the first side toward the second side, and the seventh radiator and the eighth radiator are sequentially along the The fifth and seventh radiators are arranged in a direction from the third side to the fourth side, and the sixth and eighth radiators are arranged in that order from the first side to the second side. They are arranged along the direction from the third side to the fourth side.

In the antenna assembly provided in the present application, the fifth radiator, the sixth radiator, the seventh radiator, and the eighth radiator all extend in a direction from the first side to the second side.

In the antenna assembly provided in the present application, the antenna assembly further includes a first spacer and a second spacer, and the first spacer is disposed between the fifth radiator and the sixth radiator, The second spacer is disposed between the seventh radiator and the eighth radiator, and the first spacer and the second spacer are both grounded.

In the antenna assembly provided in the present application, the fifth radiator and the seventh radiator extend in a direction from the first side toward the second side, and the sixth radiator and the eighth radiator The radiator extends in a direction from the third side to the fourth side.

In the antenna assembly provided in the present application, the first radiator has a first feeding point, and the first feeding point is located at an end of the first radiator facing the first metal connection portion. The second radiator has a second feeding point, the second feeding point is located at an end of the second radiator facing the first metal connection portion, and the third radiator has a third feeding point, so The third feeding point is located at an end of the third radiator facing the second metal connection portion, the fourth radiator has a fourth feeding point, and the fourth feeding point is located at the fourth radiation The body faces one end of the second metal connecting portion.

In the antenna assembly provided in the present application, the first radiator has a first ground point, and the first ground point is located at an end of the first radiator facing away from the first metal connecting portion, and the first The two radiators have a second ground point, the second ground point is located at an end of the second radiator facing away from the first metal connection portion, the third radiator has a third ground point, and the third The ground point is located at an end of the third radiator facing away from the second metal connecting portion, the fourth radiator has a fourth ground point, and the fourth ground point is located facing the fourth radiator away from the fourth radiator. One end of the second metal connecting portion.

In the antenna assembly provided in the present application, the first radiator has a first ground point, and the first ground point is located between the first feeding point and the first metal connection portion. The two radiators have a second ground point, the second ground point is located between the second feeding point and the first metal connection portion, the third radiator has a third ground point, and the third A ground point is located between the third feeding point and the second metal connection portion, the fourth radiator has a fourth ground point, and the fourth ground point is located between the fourth feeding point and the Between the second metal connecting portions.

In the antenna assembly provided in the present application, the fifth radiator has a fifth feeding point and a fifth ground point, and the fifth feeding point and the fifth ground point are disposed when the fifth radiator faces the first radiator. At one end of one side, the sixth radiator has a sixth feeding point and a sixth ground point, and the sixth feeding point and the sixth ground point are disposed at an end of the sixth radiator facing the second side, The seventh radiator has a seventh feeding point and a seventh ground point, the seventh feeding point and the seventh ground point are disposed at an end of the seventh radiator facing the first side, and the eighth radiator has An eighth feeding point and an eighth grounding point, the eighth feeding point and the eighth grounding point are disposed at an end of the eighth radiator facing the second side.

In the antenna assembly provided in the present application, the fifth radiator has a fifth feeding point and a fifth ground point, and the fifth feeding point is disposed at the fifth radiator facing the first side. At one end, the fifth ground point is disposed at an end of the fifth radiator facing the second side, the sixth radiator has a sixth feeding point and a sixth ground point, and the sixth feeding point The sixth radiator is disposed at an end of the sixth radiator facing the second side, the sixth ground point is disposed at an end of the sixth radiator facing the first side, and the seventh radiator has a seventh feed. An electric point and a seventh ground point, the seventh feed point is provided at an end of the seventh radiator facing the first side, and the seventh ground point is provided at the seventh radiator facing the first side At one end of the two sides, the eighth radiator has an eighth feeding point and an eighth ground point, and the eighth feeding point is disposed at an end of the eighth radiator facing the second side. Eight ground points are disposed at an end of the eighth radiator facing the first side.

In the antenna assembly provided in the present application, the fifth radiator has a fifth feeding point and a fifth ground point, and the fifth feeding point and the fifth ground point are disposed at the fifth radiator toward At one end of the first side, the sixth radiator has a sixth feeding point and a sixth ground point, and the sixth feeding point and the sixth ground point are disposed at the sixth radiator toward the fourth At one end of the side, the seventh radiator has a seventh feeding point and a seventh ground point, and the seventh feeding point and the seventh ground point are disposed at an end of the seventh radiator facing the first side. The eighth radiator has an eighth feeding point and an eighth ground point, and the eighth feeding point and the eighth ground point are disposed at an end of the eighth radiator facing the third side.

In the antenna assembly provided in the present application, the antenna assembly further includes a ninth radiator and a tenth radiator, the ninth radiator is located on the first side, and the tenth radiator is located on the second On the side, the ninth radiator and the tenth radiator are both spaced from the first and second sides.

In the antenna assembly provided in the present application, the ninth radiator includes a first part, a second part, and a third part connected in sequence, the first part is disposed on the third side, and the second part is disposed on The first side, the third portion are disposed on the fourth side, the first portion, the second portion, and the third portion are spaced apart from the third side, the first side, and the fourth side. There is a first gap between the first portion and the first radiator, and a second gap between the third portion and the third radiator.

In the antenna assembly provided in the present application, the tenth radiator includes a fourth part, a fifth part, and a sixth part connected in sequence, the fourth part is disposed on the third side, and the fifth part The fourth, fifth, and sixth portions are disposed on the second side, and the fourth, fifth, and sixth portions are spaced from the third, second, and fourth sides. It is provided that there is a third gap between the fourth portion and the second radiator, and there is a fourth gap between the sixth portion and the fourth radiator.

An electronic device including:

An antenna assembly, which is the antenna assembly described above; and

In the electronic device provided by the present application, the fifth radiator and the sixth radiator are sequentially arranged along a direction from the first side toward the second side, and the seventh radiator and the eighth radiator are sequentially along the The fifth and seventh radiators are arranged in a direction from the third side to the fourth side, and the sixth and eighth radiators are arranged in that order from the first side to the second side. They are arranged along the direction from the third side to the fourth side.

In the electronic device provided by the present application, the fifth radiator, the sixth radiator, the seventh radiator, and the eighth radiator all extend in a direction from the first side to the second side.

In the electronic device provided in this application, the antenna assembly further includes a first spacer and a second spacer, and the first spacer is disposed between the fifth radiator and the sixth radiator, The second spacer is disposed between the seventh radiator and the eighth radiator, and the first spacer and the second spacer are both grounded.

In the electronic device provided in the present application, the fifth radiator and the seventh radiator extend in a direction from the first side toward the second side, and the sixth radiator and the eighth radiator The radiator extends in a direction from the third side to the fourth side.

In the electronic device provided in this application, the first radiator has a first feeding point, and the first feeding point is located at an end of the first radiator facing the first metal connection portion, and The second radiator has a second feeding point, the second feeding point is located at an end of the second radiator facing the first metal connection portion, and the third radiator has a third feeding point, so The third feeding point is located at an end of the third radiator facing the second metal connection portion, the fourth radiator has a fourth feeding point, and the fourth feeding point is located at the fourth radiation The body faces one end of the second metal connecting portion.

Please refer to FIG. 1, an embodiment of the present application provides an electronic device 100.

The electronic device 100 includes a front case 101 and a rear case 102. A protective cover 21, a display screen 22, and the like may be disposed on one side of the front case 101. The other side of the front case 101 and the rear case 102 are collectively enclosed into a receiving space for receiving other components, such as the antenna assembly 23, the circuit board 31, and the battery 32.

In some embodiments, the front case 101 and the rear case 102 may be metal cases. It should be noted that the materials of the front case 101 and the rear case 102 described in the embodiments of the present application are not limited thereto, and other methods may also be adopted. For example, the front case 101 and the rear case 102 may include plastic parts. And metal parts. For another example, the front case 101 and the rear case 102 may be plastic cases.

The protective cover plate 21 may be a glass cover plate, a sapphire cover plate, a plastic cover plate, etc., and provides protection for the display screen 22 to prevent dust, water vapor, or oil stains from adhering to the display screen 22 to avoid The external environment corrodes the display screen 22, and at the same time prevents the external environment from impacting the display screen 22, and prevents the display screen 22 from being broken.

The protective cover 21 may include a transparent area and a non-transparent area. The transparent area is transparent to correspond to the light emitting surface of the display screen 22. The non-transparent region is non-transparent to shield the internal structure of the electronic device. The non-transparent area may have openings for sound and light transmission.

It should be noted that the electronic device 100 in the embodiment of the present application may also be designed with a full screen without retaining the non-transparent area.

Referring to FIG. 2, the electronic device 100 may be provided with a headphone hole 105, a microphone hole 106, a speaker hole 108, and a universal serial bus interface hole 107 on its periphery. The earphone hole 105, the microphone hole 106, the speaker hole 108, and the universal serial bus interface hole 107 are all through holes. It can be understood that, in some embodiments, the earphone hole 105 may be omitted.

Referring to FIGS. 3 and 4, the antenna assembly 23 includes a metal body portion 231, a first metal connection portion 2321, a second metal connection portion 2322, and eight antenna structures 233.

The metal body portion 231 is a flat plate structure. The metal body portion 231 may be a magnesium alloy. The metal body portion 231 can serve as a middle frame of the electronic device 100 to support the entire electronic device 100.

In one embodiment, the metal body portion 231 includes a first side surface 231a, a second side surface 231b, a third side surface 231c, a fourth side surface 231d, a first surface 231e, and a second surface 231f. The first side surface 231a and the second side surface 231b are oppositely disposed. The third side surface 231c and the fourth side surface 231d are oppositely disposed. The first surface 231e and the second surface 231f are oppositely disposed. The first side surface 231a, the second side surface 231b, the third side surface 231c, and the fourth side surface 231d are disposed between the first surface 231e and the second surface 231f. In the description of this application, it should be understood that the terms “first”, “second”, etc. are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. . Therefore, the features defined as “first” and “second” may explicitly or implicitly include one or more of the features.

The first metal connection portion 2321 is connected to the third side surface 231c. The second metal connection portion 2322 is connected to the fourth side surface 231d.

Each of the antenna structures 233 includes a radiator 2331, at least one feed source 2332, at least one matching circuit 2333, and at least one ground return circuit 2334. The radiator 2331 is connected to one or more of the feed sources 2332 through at least one of the matching circuits 2333, and is grounded through at least one of the ground return circuits 2334. For example, in one embodiment, one of the radiators 2331 can be connected to two of the feed sources 2332, and each of the feed sources 2332 is connected to the radiator 2331 through at least one of the matching circuits 2333. The ground return circuit 2334 may be a circuit structure, a metal wire, or a connection between the radiator 2331 and the first metal connection portion 2321 or the second metal connection portion 2322. The radiator 2331 includes a first radiator 2331a, a second radiator 2331b, a third radiator 2331c, a fourth radiator 2331d, a fifth radiator 2331e, a sixth radiator 2331f, a seventh radiator 2331g, and an eighth radiator. Radiator 2331h. Among the first radiator 2331a, the second radiator 2331b, the third radiator 2331c, the fourth radiator 2331d, the fifth radiator 2331e, the sixth radiator 2331f, the seventh radiator 2331g, and the eighth radiator 2331h Each is electrically connected to one or more of the feed sources 2332 through at least one of the matching circuits 2333, and grounded through at least one of the ground return circuits 2334.

The eight antenna structures 233 include a first antenna structure 233a, a second antenna structure 233b, a third antenna structure 233c, a fourth antenna structure 233d, a fifth antenna structure 233e, a sixth antenna structure 233f, and a seventh antenna structure 233g. And eighth antenna structure 233h.

The first antenna structure 233a includes a first radiator 2331a, a first feed source 2332a, a first matching circuit 2333a, and a first ground return circuit 2334a. An end of the first radiator 2331a extending from the first metal connection portion 2321 toward the first side surface 231a toward the first side surface 231a. A first feeding point 2336a is provided on the first radiator 2331a. The first feed source 2332a is connected to the first feed point 2336a of the first radiator 2331a through the first matching circuit 2333a. The first ground return circuit 2334a of the first antenna structure 233a may be a connection point between the first radiator 2331a and the first metal connection portion 2321. The first feeding point 2336a is disposed at an end of the first radiator 2331a near the first metal connection portion 2321.

The second antenna structure 233b includes a second radiator 2331b, a second feed source 2332b, a second matching circuit 2333b, and a second ground return circuit 2334b. An end of the second radiator 2331b extending from the first metal connection portion 2321 toward the second side surface 231b toward the second side surface 231b. A second feed point 2336b is provided on the second radiator 2331b. The second feed source 2332b is connected to the second feed point 2336b of the second radiator 2331b through the second matching circuit 2333b. The second ground return circuit 2334b of the second antenna structure 233b may be a connection point between the second radiator 2331b and the first metal connection portion 2321. The second feeding point 2336b is disposed at an end of the second radiator 2331b near the first metal connection portion 2321.

The third antenna structure 233c includes a third radiator 2331c, a third feed source 2332c, a third matching circuit 2333c, and a fourth ground return circuit 2334d. An end of the third radiator 2331c extending from the second metal connection portion 2322 toward the first side surface 231a toward the first side surface 231a. A third feeding point 2336c is provided on the third radiator 2331c. The third feed source 2332c is connected to the third feed point 2336c of the third radiator 2331c through the third matching circuit 2333c. The third ground return circuit 2334c of the third antenna structure 233c may be a connection point between the third radiator 2331c and the second metal connection portion 2322. The third feeding point 2336c is disposed at an end of the third radiator 2331c near the second metal connection portion 2322.

The fourth antenna structure 233d includes a fourth radiator 2331d, a fourth feed source 2332d, a fourth matching circuit 2333d, and a fourth ground return circuit 2334d. An end of the fourth radiator 2331d extending from the second metal connection portion 2322 toward the second side surface 231b toward the second side surface 231b. A fourth feeding point 2336d is provided on the fourth radiator 2331d. The fourth feed source 2332d is connected to the fourth feed point 2336d of the fourth radiator 2331d through the fourth matching circuit 2333d. The fourth ground return circuit 2334d of the fourth antenna structure 233d may be a connection point between the fourth radiator 2331d and the second metal connection portion 2322. The fourth feeding point 2336d is disposed at an end of the fourth radiator 2331d near the second metal connection portion 2322.

The first radiator 2331a, the second radiator 2331b, the third radiator 2331c, and the fourth radiator 2331d are all spaced from the metal body portion 231. A gap is provided between the body 2331b, the third radiator 2331c, and the fourth radiator 2331d and the metal main body portion 231. The first radiator 2331a, the second radiator can be enhanced by providing a filling portion 234 in the gap The bonding strength between the body 2331b, the third radiator 2331c, and the fourth radiator 2331d and the metal body portion 231. The filling portion 234 may be made of a non-metallic material. A width of a gap provided between the first radiator 2331a, the second radiator 2331b, the third radiator 2331c, the fourth radiator 2331d, and the metal main body portion 231 may be 1 mm to 2.5 mm.

The fifth antenna structure 233e includes a fifth radiator 2331e, a fifth feed source 2332e, a fifth matching circuit 2333e, and a fifth ground return circuit 2334e. The fifth radiator 2331e is disposed on the first surface 231e of the metal body portion 231 and is disposed at a distance from the first surface 231e. A fifth feed point 2336e and a fifth ground point 2337e are provided on the fifth radiator 2331e. The fifth feed source 2332e is connected to the fifth feed point 2336e of the fifth radiator 2331e through the fifth matching circuit 2333e. The fifth ground return circuit 2334e of the fifth antenna structure 233e may be a metal wire. A fifth ground point 2337e of the fifth radiator 2331e is grounded through the fifth ground return circuit 2334e. The fifth feeding point 2336e and the fifth ground point 2337e are disposed at an end of the fifth radiator 2331e facing the first side surface 231a.

The sixth antenna structure 233f includes a sixth radiator 2331f, a sixth feed source 2332f, a sixth matching circuit 2333f, and a sixth ground return circuit 2334f. The sixth radiator 2331f is disposed on the first surface 231e of the metal body portion 231 and is disposed at a distance from the first surface 231e. The sixth radiator 2331f is provided with a sixth feeding point 2336f and a sixth ground point 2337f. The sixth feed source 2332f is connected to the sixth feed point 2336f of the sixth radiator 2331f through the sixth matching circuit 2333f. The sixth ground return circuit 2334f of the sixth antenna structure 233f may be a metal wire. The sixth ground point 2337f of the sixth radiator 2331f is grounded through the sixth ground return circuit 2334f. The sixth feeding point 2336f and the sixth grounding point 2337f are disposed at an end of the sixth radiator 2331f facing the second side surface 231b.

The seventh antenna structure 233g includes a seventh radiator 2331g, a seventh feed source 2332g, a seventh matching circuit 2333g, and a seventh ground return circuit 2334g. The seventh radiator 2331g is disposed on the first surface 231e of the metal body portion 231 and is disposed at a distance from the first surface 231e. The seventh radiator 2331g is provided with a seventh feeding point 2336g and a seventh grounding point 2337g. The seventh feed source 2332g is connected to the seventh feed point 2336g of the seventh radiator 2331g through the seventh matching circuit 2333g. The seventh ground circuit 2334g of the seventh antenna structure 233g may be a metal wire. A seventh ground point 2337g of the seventh radiator 2331g is grounded through the seventh ground return circuit 2334g. The seventh feed point 2336g and the seventh ground point 2337g are disposed at an end of the seventh radiator 2331g facing the first side surface 231a.

The eighth antenna structure 233h includes an eighth radiator 2331h, an eighth feed source 2332h, an eighth matching circuit 2333h, and an eighth ground return circuit 2334h. The eighth radiator 2331h is disposed on the first surface 231e of the metal body portion 231 and is disposed at a distance from the first surface 231e. The eighth radiator 2331h is provided with an eighth feed point 2336h and an eighth ground point 2337h. The eighth feed source 2332h is connected to the eighth feed point 2336h of the eighth radiator 2331h through the eighth matching circuit 2333h. The eighth ground circuit 2334h of the eighth antenna structure 233h may be a metal wire. The eighth ground point 2337h of the eighth radiator 2331h is grounded through the eighth ground circuit 2334h. The eighth feeding point 2336h and the eighth grounding point 2337h are disposed at an end of the eighth radiator 2331h facing the second side surface 231b.

The fifth radiator 2331e, the sixth radiator 2331f, the seventh radiator 2331g, and the eighth radiator 2331h may be metal radiators provided in the FPC, or may be laser direct molding (Laser Direct Structuring, LDS). The metal radiator formed by) may also be a metal radiator formed by using a printing direct molding technique (PDS), or a metal radiator formed by a stainless steel support plate.

The fifth radiator 2331e, the sixth radiator 2331f, the seventh radiator 2331g, and the eighth radiator 2331h may be disposed on a support structure. The support structure may be a rear case of the electronic device or a support structure inside the electronic device.

The fifth radiator 2331e and the sixth radiator 2331f are sequentially arranged along the direction from the first side 231a to the second side 231b, and the seventh radiator 2331g and the eighth radiator 2331h are sequentially located along the first side 231a is arranged in the direction of the second side 231b, the fifth radiator 2331e and the seventh radiator 2331g are sequentially arranged in a direction from the third side 231c toward the fourth side 231d, and the sixth radiator 2331f and the eighth The radiators 2331h are sequentially arranged in a direction from the third side surface 231c toward the fourth side surface 231d. The fifth radiator 2331e, the sixth radiator 2331f, the seventh radiator 2331g, and the eighth radiator 2331h all extend in a direction from the first side surface 231a toward the second side surface 231b.

The first radiator 2331a, the second radiator 2331b, the third radiator 2331c, and the fourth radiator 2331d may be used to transmit and receive wireless signals in a first frequency band. The wireless signal in the first frequency band may be an N78 (3.3 GHz to 3.6 GHz) signal. The fifth radiator 2331e, the sixth radiator 2331f, the seventh radiator 2331g, and the eighth radiator 2331h may be used to transmit and receive wireless signals of the second frequency band. The wireless signal in the second frequency band may be an N79 (4.8 GHz to 5 GHz) signal. The first antenna structure 233a, the second antenna structure 233b, the third antenna structure 233c, the fourth antenna structure 233d, the fifth antenna structure 233e, the sixth antenna structure 233f, the seventh antenna structure 233g, and the eighth antenna structure 233h. Both can be used as 5G antennas to achieve a 4 × 4 5G-MIMO antenna with dual frequency bands. It can be understood that, in an implementation manner, the wireless signal of the first frequency band may be a signal of N79 (4.8GHz-5GHz), and the wireless signal of the second frequency band may be a signal of N78 (3.3GHz-3.6GHz) .

The antenna assembly may further include a ninth radiator 2331i and a tenth radiator 2331j. The ninth radiator 2331i is located on the first side surface 231a. The tenth radiator 2331j is located on the second side surface 231b. The ninth radiator 2331i and the tenth radiator 2331j are both spaced from the first side surface 231a and the second side surface 231b.

The ninth radiator 2331i includes a first portion A1, a second portion A2, and a third portion A3 connected in this order. The first portion A1 is disposed on the third side surface 231c. The second portion A2 is disposed on the first side surface 231a. The third portion A3 is disposed on the fourth side surface 231d. The third side surface 231c, the first side surface 231a, and the fourth side surface 231d of the first portion A1, the second portion A2, and the third portion A3 are disposed at intervals. There is a first gap 235a between the first portion A1 and the first radiator 2331a. There is a second gap 235b between the third portion A3 and the third radiator 2331c. The ninth radiator 2331i first extends in a direction from the second side 231b toward the first side 231a, then in a direction from the third side 231c toward the fourth side 231d, and then along the direction from the first side 231a The direction of the second side surface 231b extends.

The tenth radiator 2331j includes a fourth portion A4, a fifth portion A5, and a sixth portion A6 connected in this order. The fourth portion A4 is disposed on the third side surface 231c. The fifth portion A5 is disposed on the second side surface 231b. The sixth portion A6 is disposed on the fourth side surface 231d. The fourth portion A4, the fifth portion A5, and the sixth portion A6 are all spaced from the third side surface 231c, the second side surface 231b, and the fourth side surface 231d. There is a third gap 235c between the fourth portion A4 and the second radiator 2331b. There is a fourth gap 235d between the sixth portion A6 and the fourth radiator 2331d. The tenth radiator 2331j first extends in a direction from the first side 231a toward the second side 231b, then in a direction from the third side 231c toward the fourth side 231d, and then along the direction from the second side 231b. The direction of the first side surface 231a extends.

The widths of the first gap 235a, the second gap 235b, the third gap 235c, and the fourth gap 235b may be 1 mm to 2.5 mm.

The ninth radiator 2331i and the tenth radiator 2331j are spaced from the metal body portion 231, that is, a gap is provided between the ninth radiator 2331i and the tenth radiator 2331j and the metal body portion 231, and The bonding strength of the ninth radiator 2331i and the tenth radiator 2331j and the metal body portion 231 may be enhanced by providing the filling portion 234 in the gap. The filling portion 234 may be made of a non-metallic material. A width of a gap provided between the ninth radiator 2331i and the tenth radiator 2331j and the metal main body portion 231 may be 1 mm to 2.5 mm.

The ninth radiator 2331i can be connected with a ninth feed source 2332i, a ninth matching circuit 2333i, and two frequency band switching modules 2335. The ninth radiator 2331i is connected to the ninth feed source 2332i through the ninth matching circuit 2333i, and grounded through the two frequency switching modules to form a ninth antenna structure 233i. The ninth radiator 2331i may be a radiator of a 4G Long Term Evolution (LTE) antenna to transmit and receive high / medium / low frequency 4G signals.

The ninth radiator 2331i may further be connected to a tenth feed source 2332j, a tenth matching circuit 2333j, and a tenth ground circuit. The tenth ground circuit may be a metal wire. The tenth radiator 2331j is connected to the tenth feed source 2332j through the tenth matching circuit 2333j, and grounded through the tenth ground circuit, thereby forming a tenth antenna structure 233j. The tenth radiator 2331j may be used to transmit a short-range antenna signal and / or a positioning signal radiator, wherein the short-range antenna signal may be a wireless-fidelity (WIFI) signal, a Bluetooth signal, etc., and a positioning signal. Can be a GPS signal.

The tenth radiator 2331j may be connected to an eleventh feed source 2332k, an eleventh matching circuit 2333k, and a frequency band switching module 2335. The tenth radiator 2331j is connected to the eleventh feed source 2332k through the eleventh matching circuit 2333k, and grounded through the frequency switching module, thereby forming an eleventh antenna structure 233k. The tenth radiator 2331j may be a radiator of a 4G Long Term Evolution (LTE) antenna to transmit and receive 4G signals of high / medium / low frequency.

The frequency band switching module 2335 is set according to the frequency band that needs to be switched. For example, the frequency band switching module 2335 may include a single-pole double-throw switch, a first capacitor, and a second capacitor. Differently, the moving end of the single-pole double-throw switch is connected to the frequency band switching point of the antenna structure, and the two fixed ends of the single-pole double-throw switch are grounded through the first capacitor and the second capacitor, respectively. It can be understood that one or two of the first capacitor and the second capacitor may be replaced by an inductor, or one or two of the first capacitor and the second capacitor may be replaced by an LC circuit (that is, the inductor and the capacitor are connected in parallel Circuit). The values of the first capacitor and the second capacitor are set according to the frequency band corresponding to the antenna structure 233. Similarly, the values of the inductor and the LC circuit can also be set according to the frequency band corresponding to the antenna structure 233. The first capacitor and the second capacitor may be replaced with an inductor and an LC circuit. The frequency band switching module 2335 is used to switch antenna signals in different frequency bands.

Referring to FIG. 5, in an embodiment, the antenna assembly further includes a first isolation bar 2361 and a second isolation bar 2362. The first isolation bar 2361 and the second isolation bar 2362 may be made of a metal material. The first isolation bar 2361 is disposed between the fifth radiator 2331e and the sixth radiator 2331f. The second isolation bar 2362 is disposed between the seventh radiator 2331g and the eighth radiator 2331h. The first and

second spacers

2361 and 2362 are grounded, thereby enhancing the isolation between the fifth radiator 2331e and the sixth radiator 2331f to reduce the fifth radiator 6331e and the sixth radiator 2331f. The interference between the transmitted and received signals, and the isolation between the seventh radiator 2331g and the eighth radiator 2331h is enhanced to reduce the signal between the seventh radiator 2331g and the eighth radiator 2331h. interference. The first isolation bar 2361 and the second isolation bar 2362 can be directly connected to the metal part of the support structure, and then the metal part of the support structure is connected to the metal body part 231 through a spring sheet or foam, so as to achieve the purpose of grounding. . In other embodiments, the first isolation bar 2361 and the second isolation bar 2362 may also be connected to the metal body portion 231 through an elastic sheet.

Referring to FIG. 6, in an embodiment, the fifth radiator 2331e and the seventh radiator 2331g extend in a direction from the first side surface 231a toward the second side surface 231b, and the sixth radiation The body 2331f and the eighth radiator 2331h extend in a direction from the third side surface 231c toward the fourth side surface 231d. The fifth feeding point 2336e and the fifth ground point 2337e are disposed at an end of the fifth radiator 2331e facing the first side surface 231a. The sixth feeding point 2336f and the sixth grounding point 2337f are disposed at an end of the sixth radiator 2331f facing the fourth side surface 231d. The seventh feed point 2336g and the seventh ground point 2337g are disposed at an end of the seventh radiator 2331g facing the first side surface 231a. The eighth feeding point 2336h and the eighth grounding point 2337h are disposed at an end of the eighth radiator 2331h facing the third side surface 231c.

An included angle between the extension direction of the fifth radiator 2331e and the sixth radiator 2331f is 90 degrees, so that the polarization directions of the fifth antenna structure 233e and the sixth antenna structure 233f are orthogonal, thereby enhancing The isolation between the fifth radiator 2331e and the sixth radiator 2331f is to reduce interference between signals transmitted and received by the fifth radiator 2331e and the sixth radiator 2331f. The included angle between the extension directions of the seventh radiator 2331g and the eighth radiator 2331h is 90 degrees, so that the polarization directions of the seventh antenna structure 233g and the eighth antenna structure 233h are orthogonal, thereby enhancing the The isolation between the seventh radiator 2331g and the eighth radiator 2331h is described to reduce interference between the signals transmitted and received by the seventh radiator 2331g and the eighth radiator 2331h.

Referring to FIG. 7, in an embodiment, the first radiator 2331a may further include a first ground point 2337a. Both the first ground return circuit 2334a and the first matching circuit 2333a may be metal wires. The first ground return circuit 2334a is connected to the first ground point 2337a and grounds the first radiator 2331a. The first ground point 2337a is located between the first feeding point 2336a and the first metal connection portion 2321. The second radiator 2331b may further include a second ground point 2337b. Both the second ground return circuit 2334b and the second matching circuit 2333b may be metal wires. The second ground return circuit 2334b is connected to the second ground point 2337b to ground the second radiator 2331b. The second ground point 2337b is located between the second feeding point 2336b and the first metal connection portion 2321. The third radiator 2331c may further include a third ground point 2337c. The third ground return circuit 2334c and the third matching circuit 2332c may be metal wires. The third ground return circuit 2334c is connected to the third ground point 2337c to ground the third radiator 2331c. The third ground point 2337c is located between the third feeding point 2336c and the second metal connection portion 2322. The fourth radiator 2331d may further include a fourth ground point 2337d. Both the fourth ground return circuit 2334d and the fourth matching circuit 2333d may be metal wires. The fourth ground return circuit 2334d is connected to the fourth ground point 2337d to ground the fourth radiator 2331d. The fourth ground point 2337d is located between the fourth feeding point 2336d and the second metal connection portion 2322.

Referring to FIG. 8, in one embodiment, the first feeding point 2336a may be disposed at an end of the first radiator 2331a facing the second side surface 231b. The first ground point 2337a may be disposed at an end of the first radiator 2331a facing the first side surface 231a. The second feeding point 2336b may be disposed at an end of the second radiator 2331b facing the first side surface 231a. The second ground point 2337b may be disposed at an end of the second radiator 2331b facing the second side surface 231b. The third feeding point 2336c may be disposed at an end of the third radiator 2331c facing the second side surface 231b. The third ground point 2337c may be disposed at an end of the third radiator 2331c facing the first side surface 231a. The fourth feeding point 2336d may be disposed at an end of the fourth radiator 2331d facing the first side surface 231a. The fourth ground point 2337d may be disposed at an end of the fourth radiator 2331d facing the second side surface 231b.

The fifth feeding point 2336e may be disposed at an end of the fifth radiator 2331e facing the first side surface 231a. The fifth ground point 2337e may be disposed at an end of the fifth radiator 2331e facing the second side surface 231b. The sixth feeding point 2336f may be disposed at an end of the sixth radiator 2331f facing the second side surface 231b. The sixth ground point 2337f may be disposed at an end of the sixth radiator 2331f facing the first side surface 231a. The seventh feeding point 2336g may be disposed at an end of the seventh radiator 2331g facing the first side surface 231a. The seventh ground point 2337g may be disposed at an end of the seventh radiator 2331g facing the second side surface 231b. The eighth feeding point 2336h may be disposed at an end of the eighth radiator 2331h facing the second side surface 231b. The eighth ground point 2337h may be disposed at an end of the eighth radiator 2331h facing the first side surface 231a.

In one embodiment, referring to FIG. 9, one or a combination of at least two of a through hole 2311, a boss 2312, and a recess 2313 may be formed on the metal body portion 231 by means of punching or CNC milling.

The circuit board 31 is installed in the electronic device 100. The circuit board 31 may be a main board of the electronic device 100. The circuit board 31 may be integrated with one, two or more of functional components such as a motor, a microphone, a speaker, a headphone interface, a universal serial bus interface, a camera, a distance sensor, an ambient light sensor, a receiver, and a processor. The headphone interface is disposed at the headphone hole 105, the microphone is disposed at the microphone hole 106, the universal serial bus interface is disposed at the universal serial bus interface hole 107, and the speaker is disposed at the speaker hole 108. It can be understood that the headphone interface and the universal serial bus interface can be integrated into one interface, for example, a Micro USB interface, a Mini USB interface, or a Type-C interface with audio input and output functions.

In some embodiments, the circuit board 31 is fixed in the electronic device 100. Specifically, the circuit board 31 may be screwed to the metal main body portion 231 of the antenna assembly 23 by screws, or may be snap-fitted to the antenna assembly 23 by a snapping method. It should be noted that the manner in which the circuit board 31 described in the embodiment of the present application is specifically fixed to the antenna assembly 23 is not limited to this, and other manners, such as a manner of fixing together by a buckle and a screw, may also be used.

Referring to FIG. 10, the circuit board 31 is provided with a feed source 2332 and a matching circuit 2333, and the radiator 2331 is electrically connected to the feed source 2332 through the matching circuit 2333.

The battery 32 is installed in the electronic device 100, and the battery 32 is electrically connected to the circuit board 31 to provide power to the electronic device 100. The back cover 102 can be used as a battery cover of the battery 32. The back cover 102 covers the battery 32 to protect the battery 32. Specifically, the back cover 102 covers the battery 32 to protect the battery 32, and reduces the collision of the battery 32 due to the electronic device 100. , Falling, etc.

It can be understood that the antenna assembly and the electronic device provided in the embodiments of the present application, without changing the original 4G LTE antenna, Wi-Fi antenna, Bluetooth antenna, and GPS antenna slot shape, extend the gap in the metal body The first radiator, the second radiator, the third radiator, and the fourth radiator are formed on the ministry to implement a 4 × 4 MIMO antenna in the 5G N78 frequency band. Further, the fifth radiator, the sixth radiator, the seventh radiator, and the eighth radiator are formed on an antenna bracket independent of the metal main body by FPC, LDS, or PDS, etc., to achieve 5GN79. 4 × 4 MIMO antenna with frequency band. In this way, a dual-band 4 × 4 5G-MIMO antenna design is realized in a limited space.

The antenna components and electronic devices provided in the embodiments of the present application have been described in detail above. Specific examples are used in this document to explain the principles and implementation of the present application. The description of the above embodiments is only to help understand the application. At the same time, for those skilled in the art, according to the idea of the present application, there will be changes in the specific implementation and scope of application. In summary, the content of this description should not be construed as a limitation on the present application.

Claims

An antenna assembly includes:

A metal main body portion having a flat plate structure, the metal main body portion having a first side and a second side opposite to each other, a third side and a fourth side opposite to each other, and a first surface and a first side opposite to each other; Two surfaces, the first side, the second side, the third side, and the fourth side are disposed between the first surface and the second surface;

A first metal connection portion and a second metal connection portion, the first metal connection portion is connected to the third side surface, and the second metal connection portion is connected to the fourth side surface;

A first radiator, a second radiator, a third radiator, and a fourth radiator, the first radiator is connected to an end of the first metal connecting portion facing the first side, and the second radiator Connected to an end of the first metal connecting portion facing the second side, the third radiator is connected to an end of the second metal connecting portion facing the first side, and the fourth radiator is connected to An end of the second metal connecting portion facing the second side, and the first radiator, the second radiator, the third radiator, and the fourth radiator are all spaced from the metal body portion. A radiator, a second radiator, a third radiator, and a fourth radiator for transmitting and receiving wireless signals in the first frequency band; and

A fifth radiator, a sixth radiator, a seventh radiator, and an eighth radiator; the fifth radiator, the sixth radiator, the seventh radiator, and the eighth radiator are connected to the first portion of the metal body portion; The surface is arranged at intervals, and the fifth radiator, the sixth radiator, the seventh radiator, and the eighth radiator are used for transmitting and receiving wireless signals in the second frequency band.
The antenna assembly according to claim 1, wherein the fifth radiator and the sixth radiator are sequentially arranged in a direction from the first side toward the second side, and the seventh radiator and the eighth radiator are in order. The fifth radiator and the seventh radiator are arranged in a direction from the third side toward the fourth side, and the sixth radiator and the eighth radiator are arranged in order. The bodies are sequentially aligned in a direction from the third side to the fourth side.
The antenna assembly according to claim 2, wherein the fifth radiator, the sixth radiator, the seventh radiator, and the eighth radiator all extend in a direction from the first side toward the second side.
The antenna assembly according to claim 3, wherein the antenna assembly further comprises a first spacer and a second spacer, and the first spacer is disposed between the fifth radiator and the sixth radiator. Meanwhile, the second spacer is disposed between the seventh radiator and the eighth radiator, and the first spacer and the second spacer are both grounded.
The antenna assembly according to claim 2, wherein the fifth radiator and the seventh radiator extend in a direction from the first side toward the second side, and the sixth radiator and the seventh radiator The eighth radiator extends in a direction from the third side toward the fourth side.
The antenna assembly according to claim 1, wherein the first radiator has a first feeding point, and the first feeding point is located at an end of the first radiator facing the first metal connection portion, The second radiator has a second feeding point, the second feeding point is located at an end of the second radiator facing the first metal connection portion, and the third radiator has a third feeding point The third feeding point is located at an end of the third radiator facing the second metal connection portion, the fourth radiator has a fourth feeding point, and the fourth feeding point is located at the first An end of the four radiators facing the second metal connecting portion.
The antenna assembly according to claim 6, wherein the first radiator has a first ground point, and the first ground point is located at an end of the first radiator facing away from the first metal connection portion, so The second radiator has a second ground point, the second ground point is located at an end of the second radiator facing away from the first metal connecting portion, the third radiator has a third ground point, and A third ground point is located at an end of the third radiator facing away from the second metal connecting portion, the fourth radiator has a fourth ground point, and the fourth ground point is located away from the fourth radiator. One end of the second metal connecting portion.
The antenna assembly according to claim 6, wherein the first radiator has a first ground point, and the first ground point is located between the first feeding point and the first metal connection portion, so The second radiator has a second ground point, the second ground point is located between the second feeding point and the first metal connection portion, the third radiator has a third ground point, and A third ground point is located between the third feeding point and the second metal connection portion, the fourth radiator has a fourth ground point, and the fourth ground point is located between the fourth feeding point and Between the second metal connecting portions.
The antenna assembly according to claim 1, wherein the fifth radiator has a fifth feeding point and a fifth grounding point, and the fifth feeding point and the fifth grounding point are disposed toward the fifth radiator. The sixth radiator has a sixth feeding point and a sixth ground point at one end of the first side, and the sixth feeding point and the sixth ground point are disposed on the sixth radiator facing the second side. At one end, the seventh radiator has a seventh feeding point and a seventh ground point, and the seventh feeding point and the seventh ground point are disposed at an end of the seventh radiator facing the first side, and the eighth radiation The body has an eighth feeding point and an eighth ground point, and the eighth feeding point and the eighth ground point are disposed at an end of the eighth radiator facing the second side.
The antenna assembly according to claim 1, wherein the fifth radiator has a fifth feeding point and a fifth ground point, and the fifth feeding point is disposed at the fifth radiator toward the first At one end of the side, the fifth ground point is disposed at an end of the fifth radiator that faces the second side. The sixth radiator has a sixth feed point and a sixth ground point. An electric point is provided at an end of the sixth radiator facing the second side, and a sixth ground point is provided at an end of the sixth radiator facing the first side. The seventh radiator has a first Seven feed points and a seventh ground point, the seventh feed point is provided at an end of the seventh radiator facing the first side, and the seventh ground point is provided at the seventh radiator facing The eighth radiator has an eighth feeding point and an eighth grounding point at one end of the second side, and the eighth feeding point is disposed at an end of the eighth radiator facing the second side. The eighth ground point is disposed at an end of the eighth radiator facing the first side.
The antenna assembly according to claim 1, wherein the fifth radiator has a fifth feeding point and a fifth ground point, and the fifth feeding point and the fifth ground point are disposed on the fifth radiator An end facing the first side, the sixth radiator has a sixth feeding point and a sixth ground point, and the sixth feeding point and the sixth ground point are disposed at the sixth radiator facing the At one end of the fourth side, the seventh radiator has a seventh feeding point and a seventh ground point, and the seventh feeding point and the seventh ground point are disposed on the seventh radiator facing the first side. The eighth radiator has an eighth feeding point and an eighth grounding point, and the eighth feeding point and the eighth grounding point are disposed at an end of the eighth radiator facing the third side.
The antenna assembly according to claim 1, wherein the antenna assembly further comprises a ninth radiator and a tenth radiator, the ninth radiator is located on the first side, and the tenth radiator is located on the first side On the second side, the ninth radiator and the tenth radiator are both spaced from the first and second sides.
The antenna assembly according to claim 12, wherein the ninth radiator includes a first portion, a second portion, and a third portion connected in sequence, the first portion is disposed on the third side surface, and the second portion The third side is disposed on the first side, and the third side is disposed on the fourth side. The first, second, and third portions are spaced from the third, first, and fourth sides. A first gap exists between the first portion and the first radiator, and a second gap exists between the third portion and the third radiator.
The antenna assembly according to claim 12, wherein the tenth radiator comprises a fourth part, a fifth part, and a sixth part connected in sequence, the fourth part is disposed on the third side, and the first Five parts are provided on the second side, the sixth part is provided on the fourth side, and the fourth, fifth, and sixth parts are all connected to the third, second, and fourth sides. The side surfaces are spaced apart, a third gap is provided between the fourth portion and the second radiator, and a fourth gap is provided between the sixth portion and the fourth radiator.
An electronic device including:

An antenna assembly, the antenna assembly according to claim 1; and

A circuit board provided with a plurality of feed sources, a plurality of matching circuits, and a plurality of ground return circuits, the first radiator, the second radiator, the third radiator, the fourth radiator, the fifth radiator, Each of the sixth radiator, the seventh radiator, and the eighth radiator is electrically connected to one or more of the feed sources through at least one of the matching circuits, and is grounded through at least one of the ground return circuits.
The electronic device according to claim 15, wherein the fifth radiator and the sixth radiator are sequentially arranged in a direction from the first side toward the second side, and the seventh radiator and the eighth radiator are in order. The fifth radiator and the seventh radiator are arranged in a direction from the third side toward the fourth side, and the sixth radiator and the eighth radiator are arranged in order. The bodies are sequentially aligned in a direction from the third side to the fourth side.
The electronic device according to claim 16, wherein the fifth radiator, the sixth radiator, the seventh radiator, and the eighth radiator all extend in a direction from the first side toward the second side.
The electronic device according to claim 17, wherein the antenna assembly further comprises a first spacer and a second spacer, and the first spacer is disposed between the fifth radiator and the sixth radiator. Meanwhile, the second spacer is disposed between the seventh radiator and the eighth radiator, and the first spacer and the second spacer are both grounded.
The electronic device according to claim 16, wherein the fifth radiator and the seventh radiator extend in a direction from the first side toward the second side, and the sixth radiator and the seventh radiator The eighth radiator extends in a direction from the third side toward the fourth side.
The electronic device according to claim 17, wherein the first radiator has a first feeding point, and the first feeding point is located at an end of the first radiator facing the first metal connection portion, The second radiator has a second feeding point, the second feeding point is located at an end of the second radiator facing the first metal connection portion, and the third radiator has a third feeding point The third feeding point is located at an end of the third radiator facing the second metal connection portion, the fourth radiator has a fourth feeding point, and the fourth feeding point is located at the first An end of the four radiators facing the second metal connecting portion.