CN108232424B

CN108232424B - Electronic device

Info

Publication number: CN108232424B
Application number: CN201711499675.5A
Authority: CN
Inventors: 吴青; 唐海军; 刘焕红; 刘国林
Original assignee: Guangdong Oppo Mobile Telecommunications Corp Ltd
Current assignee: Guangdong Oppo Mobile Telecommunications Corp Ltd
Priority date: 2017-12-29
Filing date: 2017-12-29
Publication date: 2020-07-03
Anticipated expiration: 2037-12-29
Also published as: CN108232424A

Abstract

The application provides an electronic device. The electronic device comprises an antenna radiator, a support plate and a screen, wherein the antenna radiator comprises a radiation body, the radiation body comprises a first end and a second end which are arranged oppositely, a feed portion is arranged at the first end and used for receiving an excitation signal, the antenna radiator is used for generating an electromagnetic wave signal according to the excitation signal, the support plate is arranged adjacent to the second end and used for supporting the screen, the support plate forms a reference ground of the antenna radiator, the screen comprises a screen body and a first extension portion, the screen body comprises a first surface and a second surface which are arranged oppositely, the first surface is arranged adjacent to the support plate compared with the second surface, the first extension portion is connected with the first surface through a first side face to form an accommodating space, and at least part of the support plate is arranged in the accommodating space. The electronic device improves the effect of the antenna radiator for radiating the electromagnetic wave signals.

Description

Electronic device

Technical Field

The present application relates to the field of electronic devices, and more particularly, to an electronic apparatus.

Background

With the development of communication technology, electronic devices (especially mobile phones) have developed various forms and materials. The metal rear cover enables the electronic device to be more gorgeous in appearance and more wear-resistant, so that the rear cover (battery cover) of the electronic device is gradually mainstream and made of metal. When an electronic device communicates with other electronic devices, an antenna is often required to radiate electromagnetic wave signals, and the antenna is required to receive electromagnetic wave signals sent by other electronic devices. The clearance area is needed when the antenna radiates electromagnetic wave signals, however, with the rise of the comprehensive screen technology, the larger screen occupies the clearance area of the electronic device, so that the effect of the antenna for radiating the electromagnetic wave signals is poor, and the communication quality of the electronic device is poor.

Disclosure of Invention

The application provides an electronic device, the electronic device comprises an antenna radiator, a support plate and a screen, the antenna radiator comprises a radiation body, the radiation body comprises a first end and a second end which are arranged oppositely, the first end is provided with a feed part, the feed part is used for receiving an excitation signal, the antenna radiator is used for generating an electromagnetic wave signal according to the excitation signal, the support plate is arranged adjacent to the second end and is used for supporting the screen, the support plate forms a reference ground of the antenna radiator, the screen comprises a screen body and a first extension part, the screen body comprises a first surface and a second surface which are arranged oppositely, the first surface is arranged adjacent to the support plate compared with the second surface, the first extension part and the first surface are connected through a first side face to form a containing space, at least part of the supporting plate is arranged in the accommodating space.

Compared with the prior art, the screen in the electronic device comprises the screen body and the first extending portion, the first extending portion is connected with the first surface through the first side face, so that the distance between the first extending portion and the feeding portion is increased, at least part of the supporting plate is arranged in the first extending portion and the accommodating space formed by the first side face, the distance between the reference ground and the feeding portion is increased, the effect of radiation of electromagnetic wave signals by the antenna radiator is improved, and the communication quality of the electronic device is further improved. Further, as the distance between the reference ground and the feeding portion is increased, a transmission path, formed by the excitation signal received by the feeding portion being transmitted to the second end on the radiating body and coupled to the reference ground through the second end, is longer, so that the excitation signal is transmitted more uniformly on the radiating body, and the bandwidth of the electromagnetic wave signal radiated by the antenna body is improved.

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 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 an embodiment of the present application.

Fig. 2 is a schematic side view of an electronic device according to an embodiment of the present disclosure.

Fig. 3 is a schematic cross-sectional view of an electronic device according to a first embodiment of the present application along the line I-I.

Fig. 4 is a schematic cross-sectional view along I-I of an electronic device according to a second embodiment of the present application.

Fig. 5 is a schematic cross-sectional view of an electronic device according to a third embodiment of the present application along line I-I.

Fig. 6 is a schematic structural diagram of a matching relationship between the conductive sheet and the feeding portion shown in fig. 5.

Fig. 7 is a schematic diagram of a transmission path of an excitation signal in the present application.

FIG. 8 is a schematic cross-sectional view of an electronic device taken along line II-II according to the present application.

Detailed Description

The technical solutions in the embodiments of the present application will be clearly and completely described below 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 inventive step, are within the scope of the present disclosure.

Referring to fig. 1, fig. 2 and fig. 3 together, fig. 1 is a schematic front structure diagram of an electronic device according to an embodiment of the present disclosure; fig. 2 is a schematic side view of an electronic device according to an embodiment of the present disclosure; fig. 3 is a schematic cross-sectional view of an electronic device according to a first embodiment of the present application along the line I-I. The electronic apparatus 1 includes, but is not limited to, a smart phone, an internet device (MID), an electronic book, a Portable Player Station (PSP), a Personal Digital Assistant (PDA), or other Portable devices.

The electronic device 1 includes an antenna radiator 100, a support plate 200, and a screen 300. The antenna radiator 100 includes a radiation body 110, the radiation body 110 includes a first end 111 and a second end 112 that are oppositely disposed, the first end 111 is provided with a feeding portion, the feeding portion is configured to receive an excitation signal, and the antenna radiator 100 is configured to generate an electromagnetic wave signal according to the excitation signal. The support plate 200 is disposed adjacent to the second end 112 for supporting the screen 300, and the support plate 200 constitutes a reference ground of the antenna radiator 100. The screen 300 includes a screen body 310 and a first extension part 320, the screen body 310 includes a first surface 310a and a second surface 310b which are oppositely disposed, the first surface 310a is disposed adjacent to the supporting plate 200 compared to the second surface 310b, the first extension part 320 and the first surface 310a are connected by a side surface to form a receiving space, and at least a portion of the supporting plate 200 is disposed in the receiving space. For convenience of description, a side surface connecting the first extension 320 and the first surface 310a is named as a first side surface 310 c.

In an embodiment, a position where the first side surface 310c is connected to the first extending portion 320 is an arc surface, so as to reduce stress at a connection position of the screen body 310 and the first extending portion 320, and to enhance the structural strength of the screen 300. Optionally, the opening of the arc surface faces the antenna radiator 100 to increase a clearance area of the antenna radiator 100.

Compared with the prior art, the screen 300 of the electronic device 10 of the present application includes the screen body 310 and the first extension portion 320, the first extension portion 320 is connected to the first surface 310a through the first side surface 310c, so that the distance between the first extension portion 320 and the feeding portion is increased, at least a portion of the support plate 200 is disposed in the accommodating space formed by the first extension portion 320 and the first side surface 310c, so as to increase the distance between the reference ground and the feeding portion, improve the effect of the antenna radiator 100 for radiating electromagnetic wave signals, and further improve the communication quality of the electronic device 1. Further, as the distance between the reference ground and the feeding portion is increased, a transmission path of the excitation signal received by the feeding portion, which is transmitted to the second end 112 on the radiation body 110 and coupled to the reference ground formed by the support plate 200 via the second end 112, is longer, so that the excitation signal is transmitted more uniformly on the radiation body 110, and the bandwidth of the electromagnetic wave signal radiated by the antenna radiator 100 is improved.

The screen 300 in the present embodiment may be, but is not limited to, a Liquid Crystal Display (LCD) or an Organic Light Emitting Diode (OLED) display. The screen 300 may be a screen 300 having only a display function, or may be a screen 300 integrating a display function and a touch function.

In the present embodiment, the radiation body 110 may be at least a part of the middle frame 20 of the electronic device 1 (see fig. 1), and in the present embodiment, the radiation body 110 is a part of the middle frame 20 of the electronic device 1 as an example. The electronic device 1 further comprises a middle frame 20, a back cover 30 and a sealing layer 40. The middle frame 20 may form a part of an external appearance of the electronic device 1, a part of the middle frame 20 serves as the antenna radiator 100, and the middle frame 20 and the rear cover 30 are spaced apart from each other to form a gap. The sealing layer 40 is disposed in a gap between the middle frame 20 and the rear cover 30, the sealing layer 40 is used for combining the middle frame 20 and the rear cover 30, the sealing layer 40 has no shielding effect on electromagnetic wave signals, and the electromagnetic wave signals can be radiated through the sealing layer 40.

Further, in the present embodiment, the supporting plate 200 includes a supporting body 210 and a second extending portion 220. The supporting body 210 includes a third surface 210a and a fourth surface 210b disposed opposite to each other, the third surface 210a is disposed away from the screen 300 compared to the fourth surface 210b, the second extending portion 220 is connected to the third surface 210a by a side surface, and the second extending portion 220 is at least partially disposed in the accommodating space. For convenience of description, a side surface connecting the second extension portion 220 and the third surface 210a is named as a second side surface 210 c. In this embodiment, the fourth surface 210b is disposed adjacent to the screen 300 compared to the third surface 210a, and the fourth surface 210b may serve as a supporting surface for supporting the screen 300.

The support plate 200 is a metal plate, and in one embodiment, the support plate 200 is a unitary structure. For example, the support plate 200 may be formed by integral molding.

In this embodiment, the first extending portion 320 includes a fifth surface 320a and a sixth surface 320b, which are oppositely disposed, the fifth surface 320a is connected to the first surface 310a through the first side surface 310c, and the sixth surface 320b is coplanar with the second surface 310 b. By providing the sixth surface 320b of the first extension 320 to be coplanar with the second surface 310b of the screen body 310, the sixth surface 320b is coplanar with the second surface 310b under the condition that the distance between the fifth surface 320a and the sixth surface 320b is constant, and the distance between the first extension 320 and the feeding portion can be further increased. Since at least a portion of the support plate 200 is disposed in the receiving space formed by the first extending portion 320 and the first side surface 310c, when the thickness of the support plate 200 (the dimension of the support plate 200 in the direction from the first surface 310a to the second surface 310 b) is fixed, the distance between the reference ground and the power feeding portion is increased, so that the effect of the antenna radiator 100 for radiating electromagnetic wave signals is improved, and the communication quality of the electronic device 1 is improved. Further, as the distance between the reference ground and the feeding portion is increased, a transmission path of the excitation signal received by the feeding portion, which is transmitted to the second end 112 on the radiation body 110 and coupled to the reference ground formed by the support plate 200 via the second end 112, is longer, so that the excitation signal is transmitted more uniformly on the radiation body 110, and the bandwidth of the electromagnetic wave signal radiated by the antenna radiator 100 is improved.

In this embodiment, the radiation body 110 includes a first radiation surface 110b, and the first radiation surface 110b is a surface of the radiation body 110 away from the second end 112. The antenna radiator 100 further includes a third extension portion 120, and the third extension portion 120 extends from the first end 111. The third extension portion 120 is provided with the feeding portion. Or the third extension 120 serves as the feeding portion. The third extending portion 120 includes a seventh surface 120a and an eighth surface 120b disposed opposite to each other, the seventh surface 120a and the eighth surface 120b respectively intersect with the radiation body 110, and the seventh surface 120a is coplanar with the first radiation surface 110 b. In this embodiment, the third extending portion 120 includes a first end surface 110a far from the radiation body 110, the seventh surface 120a connects the first end surface 110a and the antenna radiator 100, the eighth surface 120b connects the first end surface 110a and the antenna radiator 100, the seventh surface 120a and the eighth surface 120b are respectively disposed on two sides of the first end surface 110a, and the seventh surface 120a is far from the support board 200 compared with the eighth surface 120 b. The seventh surface 120a of the third extending portion 120 is disposed coplanar with the first radiating surface 110b, so that the third extending portion 120 is far away from the supporting plate 200 as far as possible, and therefore, the distance between the feeding portion and the reference ground is increased, the effect of radiating the electromagnetic wave signal by the antenna radiator 100 is improved, and the communication quality of the electronic device 1 is improved. Further, as the distance between the reference ground and the feeding portion is increased, a transmission path of the excitation signal received by the feeding portion, which is transmitted to the second end 112 on the radiation body 110 and coupled to the reference ground formed by the support plate 200 via the second end 112, is longer, so that the excitation signal is transmitted more uniformly on the radiation body 110, and the bandwidth of the electromagnetic wave signal radiated by the antenna radiator 100 is improved.

In an embodiment, the feeding portion is disposed on the seventh surface 120a or the first end surface 110 a. The feeding portion is disposed on the seventh surface 120a or the first end surface 110a, which may further increase the distance between the feeding portion and the reference ground, compared to when the feeding portion is disposed on the eighth surface 120 b. The effect of the antenna radiator 100 radiating the electromagnetic wave signal is improved, and the communication quality of the electronic device 1 is further improved.

Referring to fig. 1, 2 and 4 together, fig. 4 is a schematic cross-sectional view of an electronic device along I-I according to a second embodiment of the present disclosure. In this embodiment, the electronic device 10 further includes a circuit board 400, the circuit board 400 is disposed adjacent to the third surface 210a, and the second extending portion 220 is formed by at least one layer of metal material in the circuit board 400 extending from an end of the supporting body 210 adjacent to the radiation body 110.

Specifically, the circuit board 400 includes a circuit board body 410 and a fourth extension portion 420. The circuit board body 410 is disposed on the third surface 210a, and the fourth extending portion 420 extends from an end of the circuit board body 410 adjacent to the radiation body 110 to a first direction, wherein the first direction is a direction from the third surface 210a to the fourth surface 210 b. The fourth extension part 420 includes a first sub-extension part 421 and a second sub-extension part 422, the first sub-extension part 421 is used to connect the circuit board body 410 and the second sub-extension part 422, the first extension part 320 is made of a non-conductive material, and the second sub-extension part 422 is made of a metal material in the circuit board body 410 to form the second extension part 220 of the supporting plate 200.

In other embodiments, the circuit board 400 includes a circuit board body 410 and a fourth extension portion 420. The circuit board body 410 is disposed on the third surface 210a, and the fourth extending portion 420 extends from an end of the circuit board body 410 adjacent to the radiation body 110 to a first direction, wherein the first direction is a direction from the third surface 210a to the fourth surface 210 b. And one end of the fourth extension part 420 adjacent to the fourth surface 210b is coated with a metal foil to form the second extension part 220 of the supporting plate 200. The supporting body 210 may be a metal plate having a large structural strength, and may support the screen 300 in the electronic device 1. The metal foil may be, but is not limited to, a metal copper foil, and the metal foil is electrically connected to the metal plate.

In an embodiment, the electronic device 10 further includes an excitation source 500 and an impedance matching circuit 600, wherein the excitation source 500 is configured to generate the excitation signal, and the impedance matching circuit 600 is configured to match a matching degree between an output impedance of the excitation source 500 and an input impedance of the antenna radiator 100. The excitation source 500 and the impedance matching circuit 600 may be disposed on the circuit board body 410. The impedance matching circuit 600 is configured to match a matching degree between an output impedance of the excitation source 500 and an input impedance of the antenna radiator 100. One end of the impedance matching circuit 600 is electrically connected to the excitation source 500, and the other end of the impedance matching circuit 600 is electrically connected to the feeding portion of the antenna radiator 100, the impedance matching circuit 600 is configured to adjust the output impedance of the excitation source 500, and the impedance matching circuit 600 is further configured to adjust the input impedance of the antenna radiator 100, so as to adjust the matching degree between the output impedance and the input impedance. This application makes the output impedance of excitation source 500 with the input impedance matching between the antenna radiator 100 through the adjustment the output impedance of excitation source 500 with the input impedance matching between the antenna radiator 100, in order to reduce the excitation signal that excitation source 500 sent is in the energy loss on the antenna radiator 100, improve the signal transmission quality of the excitation signal that excitation source 500 sent, in order to improve electronic device 1's communication quality.

In this embodiment, the excitation source 500 is electrically connected to the feeding portion by direct feeding, so as to transmit the excitation signal to the radiation body 110 through the feeding portion. Specifically, the excitation source 500 is electrically connected to the feeding portion by direct feeding, which includes: the excitation source 500 is electrically connected to the feeding portion through a wire or a conductive elastic sheet. Fig. 3 and 4 illustrate an example in which the excitation source 500 is electrically connected to the power feeding unit through a conductive elastic piece (reference numeral 810).

Referring to fig. 1, 2, 5 and 6, fig. 5 is a schematic cross-sectional view of an electronic device 1 along I-I according to a third embodiment of the present disclosure; fig. 6 is a schematic structural diagram of a matching relationship between the conductive sheet and the feeding portion shown in fig. 5. In this embodiment, the excitation source 500 is electrically connected to the feeding portion by coupling feeding so as to transmit the excitation signal to the radiation body 110 through the feeding portion. The conductive sheet 700 includes a conductive body 710 and a plurality of first branches 720 arranged at intervals. A first gap 730 is formed between adjacent first branches 720. In the present embodiment, a portion of the third extending portion 120 serves as the power feeding portion, and the power feeding portion (indicated as 113 in the figure) includes a power feeding main body 113a and a plurality of second branches 113b arranged at intervals. The feeding body 113a is connected to the second end 112 of the radiating body 110, and a second gap 113c is formed between two adjacent second branches 113 b. The first branch 720 is at least partially disposed within the second gap 113c, and the second branch 113b is at least partially disposed within the first gap 730. In this embodiment, at least a portion of the first branch 720 of the conductive sheet 700 is disposed in the second gap 113c, and at least a portion of the second branch 113b is disposed in the first gap 730, so that the coupling capacitance between the conductive sheet 700 and the feeding portion is increased, and the signal transmission quality when the excitation signal is transmitted from the conductive sheet 700 to the feeding portion is improved.

Referring to fig. 7, fig. 7 is a schematic diagram of a transmission path of an excitation signal according to the present application. The region between the feed, the radiator body and the reference ground formed by the support plate 200 forms a gap region, which constitutes at least a part of a clearance region. In connection with the above embodiments, the excitation signal is transmitted from the feeding portion to the first end 111 of the radiating body 110, and is transmitted from the first end 111 of the radiating body 110 to the second end 112 of the radiating body 110, and is coupled to the reference ground formed by the supporting plate 200 via the second end 112. And oscillates on a path (indicated by an arrow with a dotted line in the figure) formed by the feeding portion, the first end 111 of the radiating body 110, the second end 112 of the radiating body 110 and the reference ground to form an electromagnetic wave signal, which is radiated out through the gap region. It will be appreciated that although the path illustrated in fig. 7 is shown in one particular embodiment, the transmission path is also applicable to other embodiments.

It should be understood that the above embodiments and the accompanying drawings illustrate components of the electronic device that are more relevant to the present application, and the following description is provided for the main components of the electronic device of the present application, so as to make the mutual cooperation relationship and the overall architecture of the components in the electronic device of the present application recognizable.

Referring to fig. 1, fig. 2 and fig. 8, fig. 8 is a schematic cross-sectional view of an electronic device along line II-II according to the present application.

The electronic device 1 includes an antenna radiator 100, a support plate 200, and a screen 300. The antenna radiator 100 includes a radiation body 110 and a third extension portion 120. The radiation body 110 includes a first end 111 and a second end 112 that are oppositely disposed, the first end 111 is provided with a feeding portion, the feeding portion is configured to receive an excitation signal, and the antenna radiator 100 is configured to generate an electromagnetic wave signal according to the excitation signal. In this embodiment, the third extending portion 120 extends from the first end 111. The third extension portion 120 is provided with the feeding portion. Or the third extension 120 serves as the feeding portion. The support plate 200 is disposed adjacent to the second end 112 for supporting the screen 300, and the support plate 200 constitutes a reference ground of the antenna radiator 100. The screen 300 includes a screen body 310 and a first extension part 320, the screen body 310 includes a first surface 310a and a second surface 310b which are oppositely disposed, the first surface 310a is disposed adjacent to the supporting plate 200 compared to the second surface 310b, the first extension part 320 and the first surface 310a are connected by a side surface to form a receiving space, and at least a portion of the supporting plate 200 is disposed in the receiving space.

The radiation body 110 may be at least a part of the middle frame 20 of the electronic device 1 (see fig. 1), and in the present embodiment, the radiation body 110 is a part of the middle frame 20 of the electronic device 1 as an example. The electronic device 1 further comprises a middle frame 20, a back cover 30 and a sealing layer 40. The middle frame 20 may form a part of an external appearance of the electronic device 1, a part of the middle frame 20 serves as the antenna radiator 100, and the middle frame 20 and the rear cover 30 are spaced apart from each other to form a gap. The sealing layer 40 is disposed in a gap between the middle frame 20 and the rear cover 30, the sealing layer 40 is used for combining the middle frame 20 and the rear cover 30, the sealing layer 40 has no shielding effect on electromagnetic wave signals, and the electromagnetic wave signals can be radiated through the sealing layer 40.

The electronic device 1 further comprises a circuit board 400, wherein the circuit board 400 is disposed on a side of the supporting plate 200 far away from the screen 300.

In addition, the electronic device 1 further includes a front cover 700 and a cover plate 800. The front cover 700 is disposed adjacent to the second end 112, and the front cover 700, the middle frame 20, the sealing layer 40 and the rear cover 30 form an accommodating space for accommodating the support plate 200, the screen 300 and the circuit board 400. The cover plate 800 is disposed on a side of the screen 300 away from the support plate 200, and the cover plate 800 is used to protect the screen 300. The cover plate 800 is typically made of a transparent material, and the material of the cover plate 800 may be, but is not limited to, glass.

It should be understood that in the description of the embodiments of the present application, the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of describing the embodiments of the present application and simplifying the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the embodiments of the present application. Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, features defined as "first", "second", may explicitly or implicitly include one or more of the described features. In the description of the embodiments of the present application, "a plurality" means two or more unless specifically defined otherwise.

In the description of the embodiments of the present application, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; may be mechanically connected, may be electrically connected or may be in communication with each other; either directly or indirectly through intervening media, either internally or in any other relationship. Specific meanings of the above terms in the embodiments of the present application can be understood by those of ordinary skill in the art according to specific situations.

In embodiments of the present application, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise the first and second features being in direct contact, or may comprise the first and second features being in contact, not directly, but via another feature in between. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly above and obliquely above the second feature, or simply meaning that the first feature is at a lesser level than the second feature.

The following disclosure provides many different embodiments or examples for implementing different configurations of embodiments of the application. In order to simplify the disclosure of the embodiments of the present application, the components and arrangements of specific examples are described below. Of course, they are merely examples and are not intended to limit the present application. Furthermore, embodiments of the present application may repeat reference numerals and/or reference letters in the various examples, which have been repeated for purposes of simplicity and clarity and do not in themselves dictate a relationship between the various embodiments and/or arrangements discussed. In addition, embodiments of the present application provide examples of various specific processes and materials, but one of ordinary skill in the art may recognize applications of other processes and/or use of other materials.

In the description herein, reference to the description of the terms "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example" or "some examples" or the like means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the application. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

Any process or method descriptions in flow charts or otherwise described herein may be understood as representing modules, segments, or portions of code which include one or more executable instructions for implementing specific logical functions or steps of the process, and the scope of the preferred embodiments of the present application includes other implementations in which functions may be executed out of order from that shown or discussed, including substantially concurrently or in reverse order, depending on the functionality involved, as would be understood by those reasonably skilled in the art of the present application.

The logic and/or steps represented in the flowcharts or otherwise described herein, e.g., an ordered listing of executable instructions that can be considered to implement logical functions, can be embodied in any computer-readable medium for use by or in connection with an instruction execution system, apparatus, or device, such as a computer-based system, processor-containing system, or other system that can fetch the instructions from the instruction execution system, apparatus, or device and execute the instructions. For the purposes of this description, a "computer-readable medium" can be any means that can contain, store, communicate, propagate, or transport the program for use by or in connection with the instruction execution system, apparatus, or device. More specific examples (a non-exhaustive list) of the computer-readable medium would include the following: an electrical connection (electronic device) having one or more wires, a portable computer diskette (magnetic device), a Random Access Memory (RAM), a read-only memory (ROM), an erasable programmable read-only memory (EPROM or flash memory), an optical fiber device, and a portable compact disc read-only memory (CDROM). Additionally, the computer-readable medium could even be paper or another suitable medium upon which the program is printed, as the program can be electronically captured, via for instance optical scanning of the paper or other medium, then compiled, interpreted or otherwise processed in a suitable manner if necessary, and then stored in a computer memory.

It should be understood that portions of the embodiments of the present application may be implemented in hardware, software, firmware, or a combination thereof. In the above embodiments, the various steps or methods may be implemented in software or firmware stored in memory and executed by a suitable instruction execution system. For example, if implemented in hardware, as in another embodiment, any one or combination of the following techniques, which are known in the art, may be used: a discrete logic circuit having a logic gate circuit for implementing a logic function on a data signal, an application specific integrated circuit having an appropriate combinational logic gate circuit, a Programmable Gate Array (PGA), a Field Programmable Gate Array (FPGA), or the like.

It will be understood by those skilled in the art that all or part of the steps carried by the method for implementing the above embodiments may be implemented by hardware related to instructions of a program, which may be stored in a computer readable storage medium, and when the program is executed, the program includes one or a combination of the steps of the method embodiments.

In addition, functional units in the embodiments of the present application may be integrated into one processor, or each unit may exist alone physically, or two or more units are integrated into one module. The integrated module can be realized in a hardware mode, and can also be realized in a software functional module mode. The integrated module, if implemented in the form of a software functional module and sold or used as a stand-alone product, may also be stored in a computer readable storage medium. The storage medium mentioned above may be a read-only memory, a magnetic or optical disk, etc.

Although embodiments of the present application have been shown and described, it is understood that the above embodiments are illustrative and not restrictive, and that those skilled in the art may make changes, modifications, substitutions and alterations to the above embodiments without departing from the scope of the present application, and that such changes and modifications are also to be considered as within the scope of the present application.

Claims

1. An electronic device, comprising an antenna radiator, a support plate and a screen, wherein the antenna radiator comprises a radiator body, the radiator body comprises a first end and a second end which are arranged oppositely, the first end is provided with a feed portion, the feed portion is used for receiving an excitation signal, the antenna radiator is used for generating an electromagnetic wave signal according to the excitation signal, the support plate is arranged adjacent to the second end and is used for supporting the screen, the support plate forms a reference ground of the antenna radiator, the screen comprises a screen body and a first extension portion, the screen body comprises a first surface and a second surface which are arranged oppositely, the first surface is arranged adjacent to the support plate more than the second surface, and the first extension portion is connected with the first surface through a first side surface to form a containing space, at least part of the support plate is arranged in the accommodating space, and the excitation signal received by the feeding part is transmitted to the second end in the radiating body and is coupled to a reference ground formed by the support plate through the second end;

the supporting plate comprises a supporting body and a second extending portion, the supporting body comprises a third surface and a fourth surface which are arranged oppositely, the third surface is farther away from the screen than the fourth surface, the second extending portion is connected with the third surface through a second side face, at least part of the second extending portion is arranged in the accommodating space, the electronic device further comprises a circuit board, the circuit board is arranged close to the third surface, and the second extending portion is formed by extending at least one layer of metal material in the circuit board from one end, close to the radiation body, of the supporting body.

2. The electronic device of claim 1, wherein the first extension portion includes a fifth surface and a sixth surface disposed opposite to each other, the fifth surface is connected to the first surface through the first side surface, and the sixth surface is coplanar with the second surface.

3. The electronic device according to claim 1, wherein the radiating body includes a first radiating surface, the first radiating surface is a surface of the radiator away from the second end, the antenna radiator further includes a third extending portion, the third extending portion extends from the first end, the third extending portion is provided with the feeding portion, the third extending portion includes a seventh surface and an eighth surface that are opposite to each other, the seventh surface and the eighth surface intersect with the radiating body, respectively, and the seventh surface is coplanar with the first radiating surface.

4. The electronic device according to claim 1, wherein the circuit board includes a circuit board body disposed on the third surface and a fourth extension portion extending from an end of the circuit board body adjacent to the radiation body to a first direction, wherein the first direction is a direction from the third surface to the fourth surface, and the fourth extension portion includes a first sub-extension portion and a second sub-extension portion, the first sub-extension portion is used to connect the circuit board body and the second sub-extension portion, the first extension portion is made of a non-conductive material, and the second sub-extension portion is made of a metal material in the circuit board body to form the second extension portion of the supporting board.

5. The electronic device of claim 1, further comprising a stimulus source for generating the stimulus signal and an impedance matching circuit for matching a degree of matching between an output impedance of the stimulus source and an input impedance of the antenna radiator.

6. The electronic device of claim 1, further comprising an excitation source for generating the excitation signal, the excitation source being electrically connected to the feed by way of a direct feed to transmit the excitation signal to the radiating body through the feed.

7. The electronic device of claim 1, further comprising an excitation source for generating the excitation signal, the excitation source being electrically connected to the feed by way of a coupled feed to transmit the excitation signal to the radiating body through the feed.

8. The electronic device of claim 1, wherein a position where the first side surface is connected to the first extension portion is an arc surface to reduce stress at a connection of the screen body and the first extension portion.

9. An electronic device, comprising an antenna radiator, a support plate and a screen, wherein the antenna radiator comprises a radiator body, the radiator body comprises a first end and a second end which are oppositely arranged, a feed portion is arranged at the first end, the support plate is arranged adjacent to the second end and used for supporting the screen, the support plate forms a reference ground of the antenna radiator, the screen comprises a screen body and a first extension portion, the screen body comprises a first surface and a second surface which are oppositely arranged, the first surface is arranged adjacent to the support plate more than the second surface, the first extension portion is connected with the first surface through a first side surface to form a containing space, at least part of the support plate is arranged in the containing space, the feed portion receives an excitation signal, and the excitation signal is transmitted to the first end of the radiator body, The first end is transmitted to the second end, the second end is coupled to a reference ground formed by the supporting plate through the second end, and the first end, the second end and the reference ground form a path to oscillate to form an electromagnetic wave signal;

10. The electronic device of claim 9, wherein the first extension portion includes a fifth surface and a sixth surface disposed opposite to each other, the fifth surface is connected to the first surface through the first side surface, and the sixth surface is coplanar with the second surface.

11. The electronic device according to claim 9, wherein the radiating body includes a first radiating surface, the first radiating surface is a surface of the radiator away from the second end, the antenna radiator further includes a third extending portion, the third extending portion extends from the first end, the third extending portion is provided with the feeding portion, the third extending portion includes a seventh surface and an eighth surface that are opposite to each other, the seventh surface and the eighth surface intersect with the radiating body, respectively, and the seventh surface is coplanar with the first radiating surface.

12. The electronic device according to claim 9, wherein the circuit board includes a circuit board body and a fourth extension portion, the circuit board body is disposed on the third surface, the fourth extension portion extends from an end of the circuit board body adjacent to the radiation body to a first direction, wherein the first direction is a direction from the third surface to the fourth surface, and the fourth extension portion includes a first sub-extension portion and a second sub-extension portion, the first sub-extension portion is used to connect the circuit board body and the second sub-extension portion, the first extension portion is made of a non-conductive material, and the second sub-extension portion is made of a metal material in the circuit board body to form the second extension portion of the supporting plate.

13. The electronic device of claim 9, further comprising a stimulus source for generating the stimulus signal and an impedance matching circuit for matching a degree of matching between an output impedance of the stimulus source and an input impedance of the antenna radiator.

14. The electronic device of claim 9, further comprising an excitation source for generating the excitation signal, the excitation source being electrically connected to the feed by way of a direct feed to transmit the excitation signal to the radiating body through the feed.

15. The electronic device of claim 9, further comprising an excitation source for generating the excitation signal, the excitation source being electrically connected to the feed by way of a coupled feed to transmit the excitation signal to the radiating body through the feed.

16. The electronic device of claim 9, wherein a position where the first side surface is connected to the first extension portion is an arc surface to reduce stress at a connection of the screen body and the first extension portion.