CN108767443B

CN108767443B - Antenna device and electronic equipment

Info

Publication number: CN108767443B
Application number: CN201810543409.6A
Authority: CN
Inventors: 贾玉虎
Original assignee: Guangdong Oppo Mobile Telecommunications Corp Ltd
Current assignee: Guangdong Oppo Mobile Telecommunications Corp Ltd
Priority date: 2018-05-29
Filing date: 2018-05-29
Publication date: 2021-03-09
Anticipated expiration: 2038-05-29
Also published as: CN108767443A

Abstract

The application provides an antenna device and electronic equipment, antenna device is including bearing the main part and bearing the main part relatively fixed first antenna subassembly, bearing the main part and being equipped with first headroom district and the non-headroom district that is connected with first headroom district, first antenna subassembly is including the first irradiator that connects electrically in proper order, first energy storage portion and first power feed, the orthographic projection of first irradiator on bearing the main part is at least partly located first headroom district, the orthographic projection of first energy storage portion on bearing the main part is at least partly located non-headroom district, first power feed provides the feed-in energy to first energy storage portion, first energy storage portion stores the feed-in energy, and according to the first irradiator radiation signal of the feed-in energy excitation of storage. Therefore, the occupied space of the first antenna assembly in a clearance area is reduced, the occupied space of the first antenna assembly in a non-clearance area is increased, the size of the antenna is optimized, and the radiation performance of the antenna is guaranteed.

Description

Antenna device and electronic equipment

Technical Field

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

Background

At present, because metal devices in a mobile phone easily cause electromagnetic interference to an antenna, the antenna needs to be installed in a clearance area in order to ensure the normal work of the antenna. However, the screen occupation ratio of the current mobile phone is higher and higher, and the antenna clearance area of the mobile phone with the full screen is greatly compressed, so that the size of the antenna is restricted, and the radiation performance of the antenna cannot be ensured.

Disclosure of Invention

The application provides an antenna device, antenna device including bear the main part and with bear the first antenna component that the main part is relatively fixed, bear the main part be equipped with first headroom district and with the non-headroom district that first headroom district is connected, first antenna component is including the first irradiator, first energy storage portion and the first power feed source that connect electrically in proper order, first irradiator is in orthographic projection at least part on bearing the main part is located first headroom district, first energy storage portion is in orthographic projection at least part on bearing the main part is located non-headroom district, first power feed source is to first energy storage portion provides the feed energy, first energy storage portion stores the feed energy to encourage according to the feed energy of storage first irradiator radiation signal.

The application still provides an electronic equipment, electronic equipment includes antenna device, antenna device including bear the main part and with bear the first antenna component of main part relatively fixed, bear the main part be equipped with first headroom district and with the non-headroom district that first headroom district is connected, first antenna component is including the first irradiator, first energy storage portion and the first power feed that connect electrically in proper order, first irradiator is in orthographic projection on bearing the main part is at least partially located first headroom district, first energy storage portion is in orthographic projection on bearing the main part is at least partially located non-headroom district, first power feed source is to first energy storage portion provides the feed energy, first energy storage portion stores the feed energy to according to the feed energy excitation of storage first irradiator radiation signal.

The application provides an antenna device and electronic equipment, wherein the first antenna assembly comprises a first radiator, a first energy storage part and a first feed power supply which are sequentially and electrically connected, the first feed power supply is used for providing feed-in energy for the first energy storage part, and the first energy storage part stores the feed-in energy and excites a radiation signal of the first radiator according to the stored feed-in energy; and then passing through first radiator is in orthographic projection on the bearing main body is at least partially located first headroom area, first energy storage portion is in orthographic projection on the bearing main body is at least partially located non-headroom area, thereby first antenna component reduces in headroom area occupation space, increases in non-headroom area occupation space, is favorable to optimizing antenna size, guarantees antenna radiation performance.

Drawings

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

Fig. 1 is a schematic structural diagram of an electronic device according to a first embodiment of the present disclosure;

fig. 2 is a first schematic structural diagram of the antenna device provided in fig. 1;

fig. 3 is a schematic structural diagram of an electronic device according to a first embodiment of the present application;

fig. 4 is a schematic structural diagram ii of the antenna device provided in fig. 1;

fig. 5 is a schematic structural diagram three of the antenna device provided in fig. 1;

fig. 6 is a schematic diagram four of the structure of the antenna device provided in fig. 1;

fig. 7 is a schematic structural diagram five of the antenna device provided in fig. 1;

FIG. 8 is an enlarged schematic view at A in FIG. 4;

fig. 9 is a schematic structural diagram three of an electronic device according to a first embodiment of the present application;

fig. 10 is a schematic structural diagram of an electronic device according to a first embodiment of the present application;

fig. 11 is a schematic structural diagram of an electronic device according to a first embodiment of the present application;

fig. 12 is a schematic structural diagram of an antenna apparatus according to a second embodiment of the present application;

fig. 13 is a schematic structural diagram of an antenna apparatus according to a second embodiment of the present application;

fig. 14 is a schematic structural diagram of an antenna device according to a third embodiment of the present application.

Detailed Description

The technical solutions in the embodiments of the present application will be described clearly and completely with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

In addition, the following description of the various embodiments refers to the accompanying drawings, which are included to illustrate specific embodiments that can be used to practice the present application. Directional phrases used in this application, such as, for example, "top," "bottom," "upper," "lower," "front," "rear," "left," "right," "inner," "outer," "side," and the like, refer only to the orientation of the appended drawings and are, therefore, used for better and clearer illustration and understanding of the present application and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting of the present application.

The numerical range represented by "to" in the present specification means a range including numerical values before and after "to" as a minimum value and a maximum value, respectively. In the drawings, structures that are similar or identical are denoted by the same reference numerals.

Referring to fig. 1, an electronic device 200 is provided. The electronic device includes a display screen module 40, an antenna device 100, and a circuit board 50. The display screen module 40 has a non-display area 43 and a display area 44 connected to the non-display area 43. The antenna device 100 comprises a carrier body 10 and a first antenna component 20 fixed relative to the carrier body 10. The display screen module 40 is disposed on one side of the bearing main body 10, so that the bearing of the display screen module 40 is provided by the bearing main body 10. The orthographic projection of the first antenna assembly 20 on the display screen module 40 is at least partially located in the non-display area 43. The circuit board 50 is fixed on the opposite side of the main bearing body 10 and the display screen module 40. The circuit board 50 electrically connects the display module 40 and the first antenna assembly 20. It is understood that the electronic device 200 may be a smartphone, a tablet computer, a laptop computer, or a smart watch.

Referring to fig. 2, the bearing body 10 is provided with a first clearance area 11 and a non-clearance area 12 connected to the first clearance area 11. The first antenna assembly 20 includes a first radiator 21, a first energy storage 22, and a first power supply 23 electrically connected in sequence. The orthographic projection of the first radiator 21 on the bearing body 10 is at least partially located in the first clearance area 11, the orthographic projection of the first energy storage part 22 on the bearing body 10 is at least partially located in the non-clearance area 12, the first energy feeding source 23 supplies feeding energy to the first energy storage part 22, the first energy storage part 22 stores the feeding energy, and the first radiator 21 is excited to radiate signals according to the stored feeding energy.

The first antenna assembly 20 comprises a first radiator 21, a first energy storage part 22 and a first power supply 23 which are electrically connected in sequence, the first power supply 23 is used for supplying feed-in energy to the first energy storage part 22, the first energy storage part 22 stores the feed-in energy, and the first radiator 21 is excited to radiate signals according to the stored feed-in energy; then, the orthographic projection of the first radiator 21 on the bearing body 10 is at least partially located in the first clearance area 11, and the orthographic projection of the first energy storage part 22 on the bearing body 10 is at least partially located in the non-clearance area 12, so that the occupied space of the first antenna assembly 20 in the first clearance area 11 is reduced, and the occupied space of the first antenna assembly in the non-clearance area 12 is increased, which is beneficial to optimizing the antenna size and ensuring the antenna radiation performance.

Referring to fig. 3, in the present embodiment, the non-clearance area 12 has a first edge 121 connected to the first clearance area 11, and the clearance area has a second edge 13 disposed opposite to the first edge 121. Specifically, the bearing body 10 is a middle frame, and the bearing body 10 includes a middle plate 16 and a metal frame 17 fixed to an edge of the middle plate 16. The display screen module 40 is supported on one side of the middle plate 16, the metal frame 17 surrounds the display screen module 40, and the first radiator 21 and the metal frame 17 are integrally arranged, that is, the first radiator 21 may be formed by a part of the metal frame 17. The middle plate 16 includes a metal portion 161 and a non-metal portion 162, the metal portion 161 is isolated from the metal frame 17, and the non-metal portion 162 is connected between the metal portion 161 and the metal frame 17. The metal part 161 is formed on the non-clearance area 12, and the first edge 121 is located at the connection position of the metal part 161 and the non-metal part 162. The second edge 13 is located outside the metal rim 17.

The first radiator 21 has a first feeding end 211 extending toward the first edge 121. The first feeding end 211 is located at least partially between the first edge 121 and the second edge 13 in the orthographic projection of the bearing body 10. The first energy storing part 22 can be electrically connected to the first feeding terminal 211 through a metal spring, a probe, or a transmission line. In other embodiments, there is a gap between the first energy storage part 22 and the first feeding end 211, and the first energy storage part 22 is gap-coupled with the first feeding end 211 through the gap.

The circuit board 50 is fixed to a side of the main bearing body 10 away from the display screen module 40. The first energy storage part 22 and the first power supply 23 may be disposed on the circuit board 50. The circuit board 50 may be a motherboard. The first feeding source 23 has a feeding point 231. The feeding point 231 is used for electrically connecting the first energy storage part 22, so that the first energy storage part 22 receives the feeding energy of the first feeding source 23 through the feeding point 231. The feeding point 231 is welded to the first energy storage part 22, so that the first energy storage part 22 is electrically connected to the first power feeding source 23. In other embodiments, the circuit board 50 may be a circuit board independent from the main board, and the feeding point 231 may also be electrically connected to the first energy storage part 22 through a metal spring, a probe, a transmission line, or the like.

Further, referring to fig. 4, the first radiator 21, the first energy storage portion 22 and the first power supply 23 are sequentially connected in series to form a resonant tank circuit. The first tank 22 may include one or more resonators 221.

In the present embodiment, as shown in fig. 4, the first tank unit 22 includes a plurality of resonators 221 connected in series with each other. When the first energy storage part 22 receives the feed energy of the first feed source 23, the first energy storage part 22 excites a plurality of resonance modes according to the resonators 221, and further excites the first radiator 21 to radiate electromagnetic waves in a plurality of frequency bands, so that the bandwidth of the antenna is improved. First radiator 21 with first energy storage 22 establishes ties, first radiator 21 can be equivalent to the last level resonator of first energy storage 22 makes first radiator 21 with first energy storage 22 constitutes the antenna that has filtering characteristic, makes first antenna module 20 can produce and concentrate the resonance frequency band, thereby increases first antenna module 20's bandwidth improves first antenna module 20's radiant efficiency is favorable to reducing the regional area of headroom that first antenna module 20 occupy. In this embodiment, the resonator 221 is a microstrip line resonator. In other embodiments, the resonator 221 is composed of an inductor and a capacitor.

Referring to fig. 5, in the present embodiment, the first energy storing portion 22 has a multi-layer structure. The resonators 221 are sequentially stacked, the first energy storage part 22 further includes a first insulating layer 222 fixed between two adjacent resonators 221, and the two adjacent resonators 221 are sequentially connected in series, so that the space occupied by the first energy storage part 22 in the bearing main body 10 is reduced. Two adjacent resonators 221 may be electrically connected by a microstrip line. In other embodiments, two adjacent resonators 221 are gap-coupled.

In another embodiment, referring to fig. 6, the first energy storage part 22 includes a plurality of resonators 221 connected in parallel.

Referring to fig. 7, the first energy storing portion 22 has a multi-layer structure. The plurality of resonators 221 are stacked in this order, and the first tank 22 further includes a second insulating layer 228 fixed between two adjacent resonators 221. The first energy storage part 22 further includes a metal conductor 223 electrically connected between two adjacent resonators 221, and two ends of each resonator 221 are respectively connected with one metal conductor 223, so that two adjacent resonators 221 are connected in parallel, and the space occupied by the first energy storage part 22 in the bearing main body 10 is reduced.

Further, referring to fig. 8, the first energy storage part 22 further includes a switch selection circuit 223, and the switch selection circuit 223 is electrically connected to the plurality of resonators 221 to select a predetermined number of resonators 221 to be connected to the first radiator 21 and the first power supply 23.

In this embodiment, the switch selection circuit 223 includes a switch controller 224 and a switch 225. The first feeding source 23, the switch controller 224 and the switch are connected in series in this order. The switch 225 is a single pole, multiple throw switch. The switch 225 is provided with a movable contact 226 and a plurality of stationary contacts 227. The movable contact 226 is electrically connected to the switch controller 224. The number of the stationary contacts 227 is the same as the number of the resonators 221. Each of the stationary contacts 227 is electrically connected to one of the resonators 221. Since the plurality of resonators 221 are sequentially connected in series, the switch controller 224 controls the movable contact 226 to be closed with one of the stationary contacts 227 to select a predetermined number of resonators 221 to be connected to the first radiator 21 and the first power supply 23. So that the switch controller 224 may adjust the number of the resonators 221 connected between the first radiator 21 and the first power supply 23 to change the structure of the first tank 22. When the first energy storage part 22 receives the fed energy, the first energy storage part 22 excites a corresponding number of resonance modes according to the number of the resonators 221, and further excites the first radiator 21 to generate concentrated resonance frequency bands in different ranges, so that the range of the working frequency band of the first antenna assembly 20 can be flexibly adjusted according to requirements, and the working bandwidth of the first antenna assembly 20 is expanded without increasing the size of the antenna. In other embodiments, the switch 225 may also be a multi-pole, multi-throw switch.

Referring to fig. 9, optionally, a common ground pole 14 is disposed at a position of the carrying body 10 opposite to the non-clearance area 12, and an orthographic projection of the first energy storing portion 22 on the carrying body 10 is at least partially located on the common ground pole 14. The common ground pole 14 is formed by a metal portion of the middle plate 16. A ground capacitor is formed between the first energy storage part 22 and the common ground electrode 14, so that the radiation loss of the first energy storage part 22 is reduced, most of the energy stored in the first energy storage part 22 is coupled to the first radiator 21, and the radiation efficiency of the antenna is improved. One end of the first radiator 21, which is far away from the first energy storage part 22, is electrically connected to the common ground 14, and the first radiator 21, i.e., one end of the first radiator 21, which is far away from the first energy storage part 22, is a ground end.

Further, referring to fig. 10, the display screen module 40 is provided with a first non-display area 43 and a display area 44 connected to the first non-display area 43, an orthographic projection of the first non-display area 43 on the bearing body 10 is at least partially located in the first clearance area 11, and an orthographic projection of the display area 44 on the bearing body 10 is at least partially located in the non-clearance area 12.

In this embodiment, the first non-display area 43 may be used to arrange the driving cables of the display module 40, and the first non-display area 43 has a first short side 431 connected to the display area 44 and a second short side 432 opposite to the first short side 431. The distance between the first short edge 431 and the second short edge 432 is relatively narrow, so that the area of the first non-display area 43 is reduced, and the screen occupation ratio of the display screen module 40 is improved. The first short side 431 extends with a first groove 433 in a direction away from the second short side 432. The first groove 433 is a special-shaped non-display area of the display screen module 40, and the area of the display screen module 40 in which the first groove 433 is located can be used for arranging functional devices such as cameras. The first clearance area 11 has a third short edge 111 connecting the non-clearance area 12 and a fourth short edge 112 opposite to the third short edge 111, the third short edge 111 extends a second groove 113 in a direction departing from the fourth short edge 112, and the second groove 113 is opposite to the first groove 433. The second groove 113 has the same shape and size as the first groove 433. The first clearance area 11 forms a special-shaped clearance area in the area where the second groove 113 is located. The special-shaped clearance area increases the clearance space for arranging the first radiator 21.

The special-shaped clearance area can also provide a distribution space for functional devices such as a camera. The electronic device 200 further includes a camera module 60, the camera module 60 is fixed between the display screen module 40 and the bearing main body 10, the orthographic projection of the display screen module 40 of the camera module 60 is at least partially located in the first groove 433, and the orthographic projection of the bearing main body 10 of the camera module 60 is at least partially located in the second groove 113.

Referring to fig. 11, optionally, the carrier body 10 is further provided with a second clearance area 15 connected to a side of the non-clearance area 12 away from the first clearance area 11, the display screen module 40 is further provided with a second non-display area 45 connected to a side of the display area 44 away from the first non-display area 43, and the second non-display area 45 is used for arranging display driving chips of the display screen module 40. The orthographic projection of the second non-display area 45 on the carrying body 10 is at least partially located on the second clearance area 15. The antenna device 100 further comprises a second antenna component 30 fixed relative to the carrier body 10. The second antenna assembly 30 includes a second radiator 31, a second energy storage part 32, and a second power supply 33 electrically connected in sequence. The second radiator 31 is at least partially located in the second clearance area 15 in the orthographic projection of the bearing body 10, and the second energy storage part 32 is at least partially located in the non-clearance area 12 in the orthographic projection of the bearing body 10. The second feeding source 33 provides feeding energy to the second energy storage part 32, the second energy storage part 32 stores the feeding energy, and the second radiator 31 is excited to radiate signals according to the stored feeding energy. Therefore, the carrier body 10 forms the first clearance area 11 and the second clearance area 15 corresponding to the first non-display area 43 and the second non-display area 45 of the display screen module 40, respectively, and the first radiator 21 and the second radiator 31 are arranged in the first clearance area 11 and the second clearance area 15, so that the antenna device 100 can receive or transmit signals by using a plurality of antenna radiators, thereby improving the reliability of the antenna device 100. The first antenna assembly 20 and the second antenna assembly 30 may operate in two different signal frequency band ranges to reduce the frequency band requirements for a single antenna assembly, which is beneficial to reducing the size of a single antenna to reduce the area occupied by the headroom. Meanwhile, the bandwidth of the antenna device 100 can be increased by the design of multiple antennas. Optionally, the number of the first antenna assemblies 20 may be two, two of the first antenna assemblies 20 may operate in two different signal frequency ranges, the number of the second antenna assemblies 30 may be two, and two of the second antenna assemblies 30 may operate in two different signal frequency ranges.

Example two

Referring to fig. 12, the present application further provides another antenna device 300, where the antenna device 300 provided in the second embodiment is different from the antenna device 100 provided in the first embodiment: the first radiator 21 is a copper foil. The main bearing body 10 includes a middle plate 71, and the display screen module 40 is disposed on one side of the middle plate 17. The middle plate 71 includes a non-metal part 711 and a metal part 712 connected to the non-metal part 711. The non-metal part 711 is formed in the first clearance area 11, and the metal part 712 is formed in the non-clearance area 12. The metal part 712 forms the common ground 14. The electronic device 200 further includes a back plate 72. The back plate 72 is fixed to a side of the middle plate 71 departing from the display screen module 40, and the back plate 72 is attached to the first radiator 21 facing the first clearance area 12 and facing the middle plate 71. In one embodiment, the first radiator 21 may be an FPC printed with a conductive line.

The back plate 72 is a non-metal back plate, so that the first radiator 21 can transmit and receive antenna signals through the back plate 72. The first radiator 21 is fixed on the side of the back plate 72 facing the middle plate 71 and facing the first clearance 11. An orthographic projection of the first radiator 21 on the carrier body 10 is at least partially located between the first edge 121 and the second edge 13. The first radiator 21 extends in a direction parallel to the first edge 121. The first radiator 21 has a second feeding end 215. The circuit board 50 is provided with a metal elastic sheet electrically connected to the first energy storage portion 22, and the metal elastic sheet elastically abuts against the second feed end 215, so that the first energy storage portion 22 is electrically connected to the first radiator 21. In other embodiments, the first radiator 21 may also be disposed on a circuit board or a support located between the middle plate 71 and the back plate 72, and the second feeding terminal 215 is gap-coupled to the first energy storage 22. The back plate 72 may also be a metal back plate 72.

The bearing main body 10 further includes a frame 73 disposed around the middle plate 71, and the frame 73 is fixed between the display screen module 40 and the back plate 72. The frame 73 includes a first side plate 731, a second side plate 732 opposite to the first side plate 731, and a third side plate 733. The non-metal part 711 is connected between the first side plate 731 and the second side plate 732, and the metal part 712 is connected between the first side plate 731 and the second side plate 732. The third side plate 733 is connected between the first side plate 731 and the second side plate 732, and is located on a side of the non-metal part 711 away from the metal part 712. The number of the first antenna assemblies 20 is two, one of the first antenna assemblies 20 is connected to the third side plate 733 and is adjacent to one end of the first side plate 731, the other of the first antenna assemblies 20 is connected to the third side plate 733 and is adjacent to one end of the second side plate 732, and the two first antenna assemblies 20 are spaced apart from each other, so that the two first antenna assemblies 20 are further away from other electronic devices inside the electronic device 200, which is beneficial to improving the radiation performance of the antenna. Two of the first antenna assemblies 20 are advantageous for increasing the radiation intensity of the antenna and widening the operating frequency band of the antenna, and for reducing the size of a single antenna to reduce the occupied area of the clearance area.

EXAMPLE III

The present application provides another antenna device 400, and the antenna device 400 provided in the third embodiment is different from the antenna device 100 provided in the first embodiment: the plurality of resonators 221 includes a first resonator 2211 coupled to the first radiator 21, and a second resonator 2212 coupled to the first power supply 23. The plurality of resonators 221 further includes a third resonator 2213 coupled between the first resonator 2211 and the second resonator 2212. In this embodiment, the number of the third resonators 2213 is plural, and two adjacent third resonators 2213 are coupled and connected. In other embodiments, the number of the third resonators 2213 may be one.

In this embodiment, the first radiator 21 is provided with a first coupling portion 212 facing the first resonator 2211. The first resonator 2211 is provided with a second coupling portion 229. The second coupling portion 229 is coupled to the first coupling portion 212. Specifically, the second coupling portion 229 is disposed opposite to the first coupling portion 212, and a gap exists between the second coupling portion 229 and the first coupling portion 212. When the first energy storage part 22 receives the feeding energy of the first feeding source 23, the second coupling part 229 is coupled to couple the feeding energy to the first coupling part 212 through the gap. Therefore, capacitive coupling is formed between the second coupling portion 229 and the first coupling portion 212, which is equivalent to introducing capacitance between the second coupling portion 229 and the first coupling portion 212, so that electrical isolation is formed between the second coupling portion 229 and the first coupling portion 212, and mutual interference is prevented when the second coupling portion 229 and the first coupling portion 212 resonate, thereby improving the radiation efficiency of the antenna, and being beneficial to reducing the size of the first antenna assembly 20. Capacitive coupling is formed between the second resonator 2212 and the feeding point 231 of the first feeding source 23, so that electrical isolation is formed between the second resonator 2212 and the first feeding source 23, and the second resonator 2212 is prevented from causing electromagnetic interference to the first feeding source 23; capacitive coupling is formed between the first resonator 2211 and the third resonator 2213, and capacitive coupling is formed between the second resonator 2212 and the third resonator 2213, so that electrical isolation is formed between two adjacent resonators, and the two adjacent resonators are prevented from interfering with each other, which is beneficial to further reducing the size of the first antenna assembly 20.

The first radiator 21 extends in a direction parallel to the first edge 121. The first radiator 21 has a third edge 213 facing the first edge 121 and a fourth edge 214 facing the second edge 13, and the first coupling part 212 is disposed on the third edge 213. The first energy storage part 22 transmits energy to the first radiator 21 through the coupling between the first coupling part 212 and the second coupling part 229, and the energy received by the first radiator 21 is radiated to the outside at the edge. The third edge 213 is adjacent to the first edge 121, the fourth edge 214 is adjacent to the second edge 13, that is, the first radiator 21 is adjacent to the edge of the first clearance area 11, so as to save the clearance area occupied by the first radiator 21.

In summary, although the present application has been described with reference to the preferred embodiments, the present application is not limited to the preferred embodiments, and those skilled in the art can make various changes and modifications without departing from the spirit and scope of the present application, so that the protection scope of the present application is determined by the scope of the appended claims.

Claims

1. An antenna device, comprising a carrier and a first antenna assembly fixed relative to the carrier, wherein the carrier is provided with a first clearance area and a non-clearance area connected to the first clearance area, the first antenna assembly comprises a first radiator, a first energy storage part and a first power supply, the first radiator is electrically connected in sequence, an orthographic projection of the first radiator on the carrier is at least partially located in the first clearance area, the orthographic projection of the first energy storage part on the carrier is at least partially located in the non-clearance area, the first power supply provides power for the first energy storage part, the first energy storage part stores the power supply and excites the first radiator to radiate signals according to the stored power supply, the first energy storage part comprises a plurality of resonators connected in series, the plurality of resonators connected in series electrically connect the first power supply and the first radiator, the first radiator, the first energy storage part and the first feed source are sequentially connected in series to form a resonant energy storage circuit, the first radiator is equivalent to a last-stage resonator of the first energy storage part, and therefore the first radiator and the first energy storage part form an antenna with a filtering characteristic.

2. The antenna device of claim 1, wherein the first tank further comprises a switch selection circuit electrically connected to the plurality of resonators to select a predetermined number of resonators to access the first radiator and the first power supply.

3. The antenna device of claim 1, wherein the plurality of resonators includes a first resonator coupled to the first radiator, and a second resonator coupled to the first feed.

4. The antenna device according to claim 3, wherein the first radiator is provided with a first coupling portion facing a first resonator, the first resonator is provided with a second coupling portion facing the first coupling portion, and the second coupling portion is coupled to the first coupling portion.

5. The antenna device of claim 4, wherein the non-headroom region has a first edge connecting the first headroom region, the first radiator extends in a direction parallel to the first edge, and the first coupling portion is located at one end of the first radiator.

6. The antenna apparatus of claim 5, wherein the first headroom has a second edge disposed opposite the first edge, the first radiator has a third edge toward the first edge and a fourth edge toward the second edge, and the first coupling is disposed at the third edge.

7. The antenna device as claimed in claim 1, wherein the carrier body is provided with a common ground at the non-clearance area, and an orthographic projection of the first energy storage portion on the carrier body is at least partially located on the common ground.

8. The antenna device according to claim 7, wherein an end of the first radiator remote from the first energy storage portion is electrically connected to the common ground.

9. An electronic device, comprising an antenna apparatus, wherein the antenna apparatus includes a carrier and a first antenna assembly fixed relative to the carrier, the carrier is provided with a first clearance area and a non-clearance area connected to the first clearance area, the first antenna assembly includes a first radiator, a first energy storage portion and a first power supply source, the first radiator is electrically connected to the first antenna assembly in sequence, an orthographic projection of the first radiator on the carrier is at least partially located in the first clearance area, the orthographic projection of the first energy storage portion on the carrier is at least partially located in the non-clearance area, the first power supply source provides power for the first energy storage portion, the first energy storage portion stores the power supply, and excites the first radiator to radiate signals according to the stored power supply, the first energy storage portion includes a plurality of resonators connected in series, the resonators in series connection are electrically connected with the first feed source and the first radiating body, the first energy storage part and the first feed source are sequentially connected in series to form a resonant energy storage circuit, the first radiating body is equivalent to the last-stage resonator of the first energy storage part, and therefore the first radiating body and the first energy storage part form an antenna with a filtering characteristic.

10. The electronic device of claim 9, further comprising a display module fixed relative to the carrier body, wherein the display module has a first non-display area and a display area connected to the first non-display area, an orthographic projection of the first non-display area on the carrier body is at least partially located in the first clearance area, and an orthographic projection of the display area on the carrier body is at least partially located in the non-clearance area.

11. The electronic device of claim 10, wherein the carrier further has a second clearance area connected to a side of the non-clearance area away from the first clearance area, the display module further has a second non-display area connected to a side of the display area away from the first non-display area, an orthographic projection of the second non-display area on the carrier is at least partially located in the second clearance area, the antenna apparatus further includes a second antenna component fixed relative to the carrier, the second antenna component includes a second radiator, a second energy storage portion and a second power feed portion electrically connected in sequence, the orthographic projection of the second radiator on the carrier is at least partially located in the second clearance area, the orthographic projection of the second energy storage portion on the carrier is at least partially located in the non-clearance area, and the second power feed source provides power to the second energy storage portion, the second energy storage part stores feed-in energy and excites the second radiator to radiate signals according to the stored feed-in energy.

12. The electronic device of claim 10, wherein the first non-display area has a first short side connecting the display area and a second short side disposed opposite to the first short side, the first short side having a first groove extending in a direction away from the second short side, the first clearance area has a third short side connecting the non-clearance area and a fourth short side disposed opposite to the third short side, the third short side having a second groove extending in a direction away from the fourth short side, the second groove being opposite to the first groove.

13. The electronic device of claim 12, further comprising a camera module secured between the display screen module and the carrier body, wherein an orthographic projection of the camera module on the display screen module is at least partially within the first recess, and wherein an orthographic projection of the camera module on the carrier body is at least partially within the second recess.

14. The electronic device of claim 10, wherein the carrier body is a middle plate, the carrier body comprises a middle plate and a metal bezel fixed to an edge of the middle plate, the display screen module is disposed on one side of the middle plate, the metal bezel is disposed around the display screen module, and the first radiator is integrally disposed with the metal bezel.

15. The electronic device of claim 14, wherein the midplane includes a metal portion and a non-metal portion, the metal portion being spaced apart from the metal bezel, the non-metal portion being coupled between the metal portion and the metal bezel, the metal portion having a first edge coupled to the non-metal portion, the metal bezel having a second edge disposed opposite the first edge, the second edge being located outside of the metal bezel, the first clearance area being formed between the first edge and the second edge.

16. The electronic device of claim 10, wherein the first radiator is copper foil, the carrier body includes a middle plate, the display screen module is disposed on one side of the middle plate, the electronic device further includes a back plate fixed to one side of the middle plate facing away from the display screen module, and the back plate is attached to the first radiator facing the first clearance area toward one side of the middle plate.

17. The electronic device of claim 16, wherein the midplane includes a non-metal portion formed in the first clearance area and a metal portion connected to the non-metal portion, the metal portion formed in the non-clearance area, the metal portion forming a common ground.

18. The electronic device of claim 17, wherein the carrier body further comprises a bezel secured between the display screen module and the back panel, the bezel comprising a first side panel and a second side panel disposed opposite the first side panel, and a third side panel, the non-metallic portion being connected between the first side panel and the second side panel, the third side panel being connected between the first side panel and the second side panel and being located on a side of the non-metallic portion remote from the metallic portion, the number of first antenna assemblies being two, one first antenna assembly being connected to the third side panel and being adjacent to one end of the first side panel, the other first antenna assembly being connected to the third side panel and being adjacent to one end of the second side panel, the two first antenna assemblies are spaced apart.