CN113258255A

CN113258255A - Antenna structure and electronic device

Info

Publication number: CN113258255A
Application number: CN202010089186.8A
Authority: CN
Inventors: 谷海川; 王霖川
Original assignee: Beijing Xiaomi Mobile Software Co Ltd
Current assignee: Beijing Xiaomi Mobile Software Co Ltd
Priority date: 2020-02-12
Filing date: 2020-02-12
Publication date: 2021-08-13
Anticipated expiration: 2040-02-12
Also published as: CN113258255B

Abstract

The disclosure relates to an antenna structure, which includes a feed point, a first radiation section, a second radiation section, a third radiation section and a matching circuit, wherein a first end of the first radiation section is grounded, a slit is arranged between a second end of the first radiation section and a first end of the second radiation section, a second end of the second radiation section is electrically connected with a first end of the third radiation section, a second end of the third radiation section is grounded, a first end of the matching circuit is electrically connected with the feed point, a second end of the matching circuit is electrically connected with a second end of the second radiation section, and the matching circuit is at least used for forming at least four selectable impedances. According to the technical scheme of the disclosure, the frequency bands such as B32, N3, N1, N7, N41, N77 and N79 can be covered through a simpler antenna structure, compared with the related art that the antenna can only cover the frequency bands such as N41, N78 and N79, the frequency bands such as B32, N3, N1 and N7 are additionally covered, the comprehensive coverage of the 4G and 5G frequency bands is realized, the antenna does not need to be additionally arranged to cover the frequency bands such as B32, N3, N1 and N7, and the reusability of the antenna is improved.

Description

Antenna structure and electronic device

Technical Field

The present disclosure relates to the field of antenna technology, and in particular, to an antenna structure and an electronic device.

Background

In order to adapt to the development of 5G technology, the antenna structure provided in the current electronic equipment such as mobile phones can be already adapted to the 5G frequency band.

However, the 5G frequency band applied by the current antenna structure is limited to the N41(B41) frequency band, the N78 frequency band and the N79 frequency band, and the applied frequency band is less, the applicability is not strong, and the reusability of the antenna structure is low.

Disclosure of Invention

The present disclosure provides an antenna structure and an electronic device to solve the disadvantages in the related art.

According to a first aspect of the embodiments of the present disclosure, there is provided an antenna structure, including a feed point, a first radiation section, a second radiation section, a third radiation section and a matching circuit, wherein a length of the third radiation section is greater than a length of the first radiation section and greater than a length of the second radiation section;

the first end of the first radiation section is grounded, a slit is arranged between the second end of the first radiation section and the first end of the second radiation section, the second end of the second radiation section is electrically connected with the first end of the third radiation section, the second end of the third radiation section is grounded, the first end of the matching circuit is electrically connected with the feed point, and the second end of the matching circuit is electrically connected with the second end of the second radiation section;

the matching circuit is used at least to form at least four selectable impedances.

Optionally, the matching circuit includes a first inductor, a second inductor, a third inductor, a fourth inductor, a first capacitor, a second capacitor, and a first adjustable element;

the first end of the first inductor is electrically connected to the feed point, the first end of the first capacitor is electrically connected to the second end of the first inductor, the second end of the first capacitor is grounded, the first end of the second capacitor is electrically connected to the second end of the first inductor, the second end of the second capacitor is electrically connected to the first end of the second inductor, the first end of the third inductor is electrically connected to the second end of the second inductor, the second end of the third inductor is grounded, the first end of the fourth inductor is electrically connected to the second end of the second inductor, and the second end of the fourth inductor is electrically connected to the second end of the second radiating section;

the first end of the first tunable element is electrically connected to the first end of the third inductor, the second end of the first tunable element is electrically connected to the second end of the third inductor, and the first tunable element is at least used for forming at least four selectable matching impedances.

Optionally, the first adjustable element comprises:

a first switch switching unit, a first end of the first switching unit being electrically connected to a first end of the third inductor;

a second end of the first impedance matching unit is electrically connected to a second end of the third inductor;

a second end of the second impedance matching unit is electrically connected to a second end of the third inductor;

a second end of the third impedance matching unit is electrically connected to a second end of the third inductor;

a second end of the fourth impedance matching unit is electrically connected to the second end of the third inductor;

the second end of the first switch switching unit is selectively and electrically connected to the first end of the first impedance matching unit, or connected to the first end of the second impedance matching unit, or connected to the first end of the third impedance matching unit, or connected to the first end of the fourth impedance matching unit.

Optionally, at least one impedance matching unit of the first impedance matching unit, the second impedance matching unit, the third impedance matching unit, and the fourth impedance matching unit is an inductor.

Optionally, the matching circuit further comprises:

a first end of the second tunable element is electrically connected to the second end of the first inductor, a second end of the second tunable element is electrically connected to the second end of the second capacitor, and the second tunable element is configured to form a matched impedance.

Optionally, the second adjustable element comprises:

the first end of the first switch switching unit is electrically connected to the second end of the second inductor;

a fifth impedance matching unit, a second end of the fifth impedance matching unit being electrically connected to the second end of the first inductor;

the second end of the second switch switching unit is selectively and electrically connected to the first end of the second impedance matching unit.

Optionally, the fifth impedance matching unit is a capacitor.

Optionally, the length of the first radiating section is 6 mm, the length of the second radiating section is 4.5 mm, and the length of the third radiating section is 8 mm.

According to a second aspect of the embodiments of the present disclosure, there is provided an electronic device including the antenna structure according to any of the embodiments.

Optionally, the electronic device includes a bezel, and the first radiation section, the second radiation section, and the third radiation section are partial structures of the bezel.

Optionally, the first, second and third radiating sections are formed by laser direct structuring.

The technical scheme provided by the embodiment of the disclosure can have the following beneficial effects:

according to the embodiment of the disclosure, the frequency bands such as B32, N3(B3), N1(B1), N7(B7), N41(B41), N77(N78), N79 and the like can be covered by a simpler antenna structure, and compared with the related art, the antenna can only cover the frequency bands such as N41(B41), N78 and N79, and additionally cover the frequency bands such as B32, N3(B3), N1(B1) and N7(B7), so that the full coverage of the 4G and 5G frequency bands is realized, and the antenna does not need to be additionally arranged to cover the frequency bands such as B32, N3(B3), N1(B1) and N7(B7), and the reusability of the antenna is improved.

It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the disclosure.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the present disclosure and together with the description, serve to explain the principles of the disclosure.

Fig. 1 is a schematic block diagram illustrating an antenna structure according to an embodiment of the present disclosure.

Fig. 2 is a circuit schematic diagram illustrating a matching circuit according to an embodiment of the present disclosure.

Fig. 3 is a Smith (Smith) chart obtained from the antenna structure shown in fig. 1.

Fig. 4 is a graphical illustration of one return loss (S11) and efficiency obtained based on the antenna structure shown in fig. 1.

FIG. 5 is a schematic diagram illustrating a first adjustable element according to an embodiment of the present disclosure.

Fig. 6 is a circuit schematic diagram illustrating another matching circuit according to an embodiment of the present disclosure.

Fig. 7 is a block diagram illustrating an electronic device in accordance with an embodiment of the disclosure.

Detailed Description

Reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, like numbers in different drawings represent the same or similar elements unless otherwise indicated. The implementations described in the exemplary embodiments below are not intended to represent all implementations consistent with the present disclosure. Rather, they are merely examples of apparatus and methods consistent with certain aspects of the present disclosure, as detailed in the appended claims.

Fig. 1 is a schematic block diagram illustrating an antenna structure according to an embodiment of the present disclosure. Fig. 2 is a circuit schematic diagram illustrating a matching circuit according to an embodiment of the present disclosure.

The antenna structure shown in this embodiment may be applied to electronic devices including, but not limited to, mobile phones, tablet computers, wearable devices, personal computers, and other electronic devices.

Taking an example that the electronic device to which the antenna structure is applied is a mobile phone, the mobile phone may include a frame, and the first radiation section, the second radiation section, and the third radiation section in the antenna structure according to this embodiment may be partial structures of the frame, or may be structures located in the frame of the mobile phone, for example, the first radiation section, the second radiation section, and the third radiation section are formed in a preset area in the frame of the mobile phone by laser direct structuring (LDS for short), or the first radiation section, the second radiation section, and the third radiation section may be formed in other manners.

The following embodiments mainly illustrate the technical solution of the present disclosure in that the first radiation section, the second radiation section, and the third radiation section are part of the structure of the mobile phone bezel.

As shown in fig. 1, the antenna structure includes a Feed point Feed, a first radiation segment AB, a second radiation segment CD, a third radiation segment DE, and a matching circuit, where the length of the third radiation segment DE is greater than the length of the first radiation segment AB and greater than the length of the second radiation segment CD;

a first end a of the first radiation section AB is grounded, a slit is arranged between a second end B of the first radiation section AB and a first end C of the second radiation section CD, a second end D of the second radiation section CD is electrically connected with a first end D of the third radiation section DE, a second end E of the third radiation section DE is grounded, a first end of the matching circuit is electrically connected to the Feed point Feed, and a second end of the matching circuit is electrically connected to a second end D of the second radiation section CD;

the matching circuit is used at least to form at least four selectable matching impedances.

Fig. 3 is a Smith (Smith) chart obtained from the antenna structure shown in fig. 1. Fig. 4 is a graphical illustration of one return loss (S11) and efficiency obtained based on the antenna structure shown in fig. 1.

Based on the antenna structure of the illustrated embodiment of the present disclosure, a smith chart as shown in fig. 3, and a return loss and efficiency as shown in fig. 4 can be obtained. As shown in fig. 3, the B32, N3(B3), N1(B1), N7(B7), and N41(B41) frequency bands are located in the right half circle of the smith chart, and the N77(N78) and N79 frequency bands are located in the left half circle of the smith chart. As shown in fig. 4, the solid line in fig. 4 represents return loss, and the dotted line represents efficiency.

The second radiation section and the third radiation section can be in a B32, N3(B3), N1(B1), N7(B7) and N41(B41) frequency band as a whole mode, the second radiation section can be in a N77(N78) frequency band as a whole mode, and the first radiation section and the second radiation section can be in a N79 frequency band as a whole mode.

Wherein the second radiating section can radiate signals of an N77(N78) frequency band, and the first radiating section and the second radiating section can radiate signals of an N79 frequency band as a whole.

For the frequency bands of the second radiation section and the third radiation section which are in the overall mode, N7(B7) and N41(B41) can be regarded as the same, that is, the second radiation section and the third radiation section are in four frequency bands as the overall mode, that is, the frequency bands of B32, N3(B3), N1(B1) and N7(B7), at least four selectable matching impedances are formed through a matching circuit, different matching impedances are connected to the antenna structure, and signals of different frequency bands in the at least four frequency bands can be radiated by the second radiation section and the third radiation section.

For example, in the case where the matching circuit forms four selectable matching impedances, the second radiation section and the third radiation section are made to radiate signals of different frequency bands of the four frequency bands by respectively connecting four different matching impedances to the antenna structure. For example, when the matching circuit forms more than four selectable matching impedances, the second radiating section and the third radiating section can radiate not only signals of different frequency bands of the four frequency bands, but also signals of other frequency bands by respectively connecting more than four different matching impedances to the antenna structure.

Therefore, according to the embodiment of the disclosure, the frequency bands such as B32, N3(B3), N1(B1), N7(B7), N41(B41), N77(N78), and N79 can be covered by a simpler antenna structure, and compared with the related art in which the antenna can only cover the frequency bands such as N41(B41), N78, and N79, the frequency bands such as B32, N3(B3), N1(B1), and N7(B7) are additionally covered, so that the antenna can fully cover the 4G and 5G frequency bands, and the antenna does not need to be additionally arranged to cover the frequency bands such as B32, N3(B3), N1(B1), and N7(B7), and the reusability of the antenna is improved.

Optionally, as shown in fig. 2, the matching circuit includes a first inductor L1, a second inductor L2, a third inductor L3, a fourth inductor L4, a first capacitor C1, a second capacitor C2, and a first adjustable element;

a first end of the first inductor L1 is electrically connected to the Feed point Feed, a first end of the first capacitor C1 is electrically connected to the second end of the first inductor L1, a second end of the first capacitor C1 is grounded, a first end of the second capacitor C2 is electrically connected to the second end of the first inductor L1, a second end of the second capacitor C2 is electrically connected to the first end of the second inductor L2, a first end of the third inductor L3 is electrically connected to the second end of the second inductor L2, a second end of the third inductor L3 is grounded, a first end of the fourth inductor L4 is electrically connected to the second end of the second inductor L2, and a second end of the fourth inductor L4 is electrically connected to the second end D of the second radiating section CD;

the first end of the first tunable element is electrically connected to the first end of the third inductor L3, the second end of the first tunable element is electrically connected to the second end of the third inductor L3, and the first tunable element is at least used for forming at least four selectable matching impedances.

In one embodiment, at least four selectable matching impedances can be formed by the first adjustable element, different matching impedances are connected in parallel with the third inductor into the matching circuit, and then the antenna structure is connected, so that the second radiation section and the third radiation section can radiate signals of different frequency bands in the 4 frequency bands.

FIG. 5 is a schematic diagram illustrating a first adjustable element according to an embodiment of the present disclosure. As shown in fig. 5, the first adjustable element includes:

a first switch switching unit SW1, a first end of the first switching unit being electrically connected to a first end of the third inductor;

a first impedance matching unit a1, a second end of the first impedance matching unit being electrically connected to a second end of the third inductor;

a second impedance matching unit a2, a second end of the second impedance matching unit being electrically connected to a second end of the third inductor;

a third impedance matching unit a3, a second end of the third impedance matching unit being electrically connected to a second end of the third inductor;

a fourth impedance matching unit a4, a second end of the fourth impedance matching unit being electrically connected to the second end of the third inductor;

the second terminal of the first switch switching unit SW1 is selectively electrically connected to the first terminal of the first impedance matching unit a1, or to the first terminal of the second impedance matching unit a2, or to the first terminal of the third impedance matching unit A3, or to the first terminal of the fourth impedance matching unit a 4.

In one embodiment, the second radiation section and the third radiation section may be in B32, N3(B3), N1(B1), N7(B7), and N41(B41) frequency bands as a whole, which means that the second radiation section and the third radiation section may radiate signals of these frequency bands as a whole, but signals of all the frequency bands in these frequency bands cannot be radiated simultaneously, and generally, only signals of a certain frequency band can be radiated in the same state.

Since N7(B7) and N41(B41) can be regarded as the same, the second radiation section and the third radiation section as a whole form 4 frequency bands.

The impedance connected to the matching circuit in parallel with the third inductor can be changed by switching the connected impedance matching unit through the first switch switching unit, so that the frequency band of the second radiation section and the third radiation section as the whole radiation signal is adjusted.

For example, the second end of the first switch switching unit is electrically connected to the first end of the first impedance matching unit, and the first impedance matching unit and the third inductor may be connected in parallel to the matching circuit, so that the second radiation section and the third radiation section radiate signals in the B32 frequency band as a whole; for example, the second end of the first switch switching unit is electrically connected to the first end of the second impedance matching unit, and the second impedance matching unit and the third inductor may be connected in parallel to the matching circuit, so that the second radiating section and the third radiating section radiate signals in the N3(B3) frequency band as a whole; for example, the third terminal of the first switch switching unit is electrically connected to the first terminal of the first impedance matching unit, and the third impedance matching unit and the third inductor may be connected in parallel to the matching circuit, so that the second radiating section and the third radiating section radiate signals of the N1(B1) frequency band as a whole; for example, the second terminal of the first switch switching unit is electrically connected to the first terminal of the fourth impedance matching unit, and the fourth impedance matching unit and the third inductor may be connected in parallel to the matching circuit, so that the second radiating section and the third radiating section radiate signals of the N7(B7) frequency band as a whole.

For example, the first impedance matching unit, the second impedance matching unit, the third impedance matching unit, and the fourth impedance matching unit may all be inductors.

Fig. 6 is a circuit schematic diagram illustrating another matching circuit according to an embodiment of the present disclosure. As shown in fig. 6, the matching circuit further includes:

a second tunable element, a first end of the second tunable element being electrically connected to the second end of the first inductor L1, a second end of the second tunable element being electrically connected to the second end of the second capacitor L2, the second tunable element being configured to form a matched impedance.

In one embodiment, on the basis of the matching circuit shown in fig. 2, a second tunable element may be additionally provided, and the matching circuit is connected in parallel with the second capacitor, so that the performance of the second radiating section for radiating the N77(N78) frequency band signal can be optimized, and the performance of the first radiating section and the second radiating section for radiating the N79 frequency band signal as a whole can be optimized.

Optionally, the second adjustable element comprises:

In one embodiment, the switching state of the second switch switching unit may be adjusted to control the connection of the fifth impedance matching unit and the second capacitor in parallel to the matching circuit, or the fifth impedance matching unit and the second capacitor are not connected in parallel to the matching circuit, but the second capacitor is kept connected to the matching circuit.

Optionally, the fifth impedance matching unit is a capacitor.

It should be noted that the lengths of the first radiation section, the second radiation section and the third radiation section are not limited to the values described in the above embodiments, and can be flexibly adjusted according to needs, but it is required to ensure that the length of the third radiation section is longer than the length of the first radiation section and longer than the length of the second radiation section, and the lengths of the first radiation section and the second radiation section can be reversed, for example, the first radiation section can be longer than the second radiation section, or the length of the second radiation section can be longer than the first radiation section.

In addition, the width of the slit can also be set according to needs, and can be selected to be between 0.5 mm and 2.5 mm, for example.

An embodiment of the present disclosure further provides an electronic device including the antenna structure according to any of the above embodiments.

In one embodiment, a partial structure of a bezel of an electronic device may be used as a first radiating segment, a second radiating segment, and a third radiating segment to radiate a signal.

In one embodiment, the first, second and third radiation segments may be formed by laser direct structuring at a certain area in the electronic device.

Fig. 7 is a block diagram illustrating an electronic device 700 in accordance with an embodiment of the disclosure. For example, the apparatus 700 may be a mobile phone, a computer, a digital broadcast terminal, a messaging device, a game console, a tablet device, a medical device, an exercise device, a personal digital assistant, and the like.

Referring to fig. 7, apparatus 700 may include one or more of the following components: a processing component 702, a memory 704, a power component 706, a multimedia component 708, an audio component 710, an input/output (I/O) interface 712, a sensor component 714, and a communication component 716. The device further comprises the antenna structure according to any of the embodiments described above.

The processing component 702 generally controls overall operation of the device 700, such as operations associated with display, telephone calls, data communications, camera operations, and recording operations. The processing components 702 may include one or more processors 720 to execute instructions. Further, the processing component 702 may include one or more modules that facilitate interaction between the processing component 702 and other components. For example, the processing component 702 may include a multimedia module to facilitate interaction between the multimedia component 708 and the processing component 702.

The memory 704 is configured to store various types of data to support operations at the apparatus 700. Examples of such data include instructions for any application or method operating on device 700, contact data, phonebook data, messages, pictures, videos, and so forth. The memory 704 may be implemented by any type or combination of volatile or non-volatile memory devices such as Static Random Access Memory (SRAM), electrically erasable programmable read-only memory (EEPROM), erasable programmable read-only memory (EPROM), programmable read-only memory (PROM), read-only memory (ROM), magnetic memory, flash memory, magnetic or optical disks.

The power supply component 706 provides power to the various components of the device 700. The power components 706 may include a power management system, one or more power supplies, and other components associated with generating, managing, and distributing power for the apparatus 700.

The multimedia component 708 includes a screen that provides an output interface between the device 700 and a user. In some embodiments, the screen may include a Liquid Crystal Display (LCD) and a Touch Panel (TP). If the screen includes a touch panel, the screen may be implemented as a touch screen to receive an input signal from a user. The touch panel includes one or more touch sensors to sense touch, slide, and gestures on the touch panel. The touch sensor may not only sense the boundary of a touch or slide action, but also detect the duration and pressure associated with the touch or slide operation. In some embodiments, the multimedia component 708 includes a front facing camera and/or a rear facing camera. The front camera and/or the rear camera may receive external multimedia data when the device 700 is in an operation mode, such as a photographing mode or a video mode. Each front camera and rear camera may be a fixed optical lens system or have a focal length and optical zoom capability.

The audio component 710 is configured to output and/or input audio signals. For example, audio component 710 includes a Microphone (MIC) configured to receive external audio signals when apparatus 700 is in an operational mode, such as a call mode, a recording mode, and a voice recognition mode. The received audio signal may further be stored in the memory 704 or transmitted via the communication component 716. In some embodiments, audio component 710 also includes a speaker for outputting audio signals.

The I/O interface 712 provides an interface between the processing component 702 and peripheral interface modules, which may be keyboards, click wheels, buttons, etc. These buttons may include, but are not limited to: a home button, a volume button, a start button, and a lock button.

The sensor assembly 714 includes one or more sensors for providing status assessment of various aspects of the apparatus 700. For example, sensor assembly 714 may detect an open/closed state of device 700, the relative positioning of components, such as a display and keypad of device 700, sensor assembly 714 may also detect a change in position of device 700 or a component of device 700, the presence or absence of user contact with device 700, orientation or acceleration/deceleration of device 700, and a change in temperature of device 700. The sensor assembly 714 may include a proximity sensor configured to detect the presence of a nearby object without any physical contact. The sensor assembly 714 may also include a light sensor, such as a CMOS or CCD image sensor, for use in imaging applications. In some embodiments, the sensor assembly 714 may also include an acceleration sensor, a gyroscope sensor, a magnetic sensor, a pressure sensor, or a temperature sensor.

The communication component 716 is configured to facilitate wired or wireless communication between the apparatus 700 and other devices. The apparatus 700 may access a wireless network based on a communication standard, such as WiFi, 2G or 3G, or a combination thereof. In an exemplary embodiment, the communication component 716 receives a broadcast signal or broadcast related information from an external broadcast management system via a broadcast channel. In an exemplary embodiment, the communication component 716 further includes a Near Field Communication (NFC) module to facilitate short-range communications. For example, the NFC module may be implemented based on Radio Frequency Identification (RFID) technology, infrared data association (IrDA) technology, Ultra Wideband (UWB) technology, Bluetooth (BT) technology, and other technologies.

In an example embodiment, the apparatus 700 may be implemented by one or more Application Specific Integrated Circuits (ASICs), Digital Signal Processors (DSPs), Digital Signal Processing Devices (DSPDs), Programmable Logic Devices (PLDs), Field Programmable Gate Arrays (FPGAs), controllers, micro-controllers, microprocessors, or other electronic components.

In an exemplary embodiment, a non-transitory computer-readable storage medium comprising instructions, such as the memory 704 comprising instructions, executable by the processor 720 of the apparatus 700, is also provided. For example, the non-transitory computer readable storage medium may be a ROM, a Random Access Memory (RAM), a CD-ROM, a magnetic tape, a floppy disk, an optical data storage device, and the like.

Other embodiments of the disclosure will be apparent to those skilled in the art from consideration of the specification and practice of the disclosure disclosed herein. This application is intended to cover any variations, uses, or adaptations of the disclosure following, in general, the principles of the disclosure and including such departures from the present disclosure as come within known or customary practice within the art to which the disclosure pertains. It is intended that the specification and examples be considered as exemplary only, with a true scope and spirit of the disclosure being indicated by the following claims.

It will be understood that the present disclosure is not limited to the precise arrangements described above and shown in the drawings and that various modifications and changes may be made without departing from the scope thereof. The scope of the present disclosure is limited only by the appended claims.

Claims

1. An antenna structure, comprising a feed point, a first radiating section, a second radiating section, a third radiating section and a matching circuit, wherein the length of the third radiating section is greater than the length of the first radiating section and greater than the length of the second radiating section;

2. The antenna structure of claim 1, wherein the matching circuit comprises a first inductor, a second inductor, a third inductor, a fourth inductor, a first capacitor, a second capacitor, and a first tunable element;

3. The antenna structure of claim 2, wherein the first tunable element comprises:

4. The antenna structure according to claim 3, characterized in that at least one of the first, second, third and fourth impedance matching units is an inductance.

5. The antenna structure of claim 2, wherein the matching circuit further comprises:

6. The antenna structure of claim 5, wherein the second tunable element comprises:

7. The antenna structure according to claim 6, characterized in that the fifth impedance matching unit is a capacitor.

8. The antenna structure according to any of claims 1 to 7, characterized in that the length of the first radiating section is 6 mm, the length of the second radiating section is 4.5 mm and the length of the third radiating section is 8 mm.

9. An electronic device, characterized in that it comprises an antenna structure according to any one of claims 1 to 8.

10. The electronic device of claim 9, wherein the electronic device comprises a bezel, and wherein the first radiating section, the second radiating section, and the third radiating section are part of the structure of the bezel.

11. The electronic device of claim 9, wherein the first, second, and third radiating segments are formed by laser direct structuring.