CN112531342B

CN112531342B - Antenna module and electronic equipment

Info

Publication number: CN112531342B
Application number: CN202011419000.7A
Authority: CN
Inventors: 郑超
Original assignee: Guangdong Oppo Mobile Telecommunications Corp Ltd
Current assignee: Guangdong Oppo Mobile Telecommunications Corp Ltd
Priority date: 2020-12-07
Filing date: 2020-12-07
Publication date: 2023-06-09
Anticipated expiration: 2040-12-07
Also published as: CN112531342A

Abstract

The application relates to an antenna module and electronic equipment. Wherein, the antenna module includes: the substrate, the opposite both sides of the substrate are provided with first laminated circuit and ground layer separately, the edge of the substrate extends and forms the radiating element, the radiating element has feed end and earthing terminal, the earthing terminal is connected with ground layer; the second lamination circuit is arranged on one side of the grounding layer, which is away from the substrate, and one side of the second lamination circuit, which is away from the grounding layer, is used for arranging a radio frequency circuit, the radio frequency circuit is connected with a feed end of the radiating unit, and current signals are fed into the radiating unit through the feed end so that the radiating unit radiates radio frequency signals of at least one frequency band under the excitation of the current signals. The antenna module enables the radiating unit not to occupy the clearance near the inner frame of the electronic equipment, can coexist with other antennas in the electronic equipment, covers more multi-band radio frequency signals, occupies small area of a substrate, and does not affect the layout of other modules on the substrate, the first laminated circuit and the second laminated circuit.

Description

Antenna module and electronic equipment

Technical Field

The application relates to the field of electronic technology, in particular to an antenna module and electronic equipment.

Background

With the rapid development of mobile communication, the mobile terminal has increasingly abundant communication functions, and applications such as GPS, BT/WIFI (2.4 GHz), 5GNR and the like are gradually popularized, so that more antennas are needed to cover a new frequency band range in communication equipment; as 5G evolves, more and more antennas are available, such as GPS antennas, BT antennas and WIFI antennas, and 5G NR antennas.

With the increase of communication frequency bands, antennas are required to support more and more frequency bands on the communication equipment, but the internal space of the communication terminal is limited, so that the design of the antenna module is more complex, and the cost is higher and higher.

Disclosure of Invention

The embodiment of the application provides an antenna module and electronic equipment, which can save space occupying the interior of the electronic equipment.

An antenna module, comprising:

the circuit comprises a substrate, wherein two opposite sides of the substrate are respectively provided with a first laminated circuit and a grounding layer, the edge of the substrate extends to form a radiating unit, the radiating unit is provided with a feed end and a grounding end, and the grounding end is connected with the grounding layer;

the second lamination circuit is arranged on one side, away from the substrate, of the grounding layer, one side, away from the grounding layer, of the second lamination circuit is used for arranging a radio frequency circuit, the radio frequency circuit is connected with a feed end of the radiating unit, and current signals are fed into the radiating unit through the feed end, so that the radiating unit radiates radio frequency signals of at least one frequency band under the excitation of the current signals.

An electronic device, comprising:

a housing; and

The antenna module of any of the above embodiments, wherein the antenna module is housed within the housing.

According to the antenna module and the electronic equipment, the radiating unit is formed by extending the edge of the substrate, the first laminated circuit and the grounding layer are arranged on two sides of the substrate, the grounding end arranged on the radiating unit is connected with the grounding layer, the feeding end arranged on the radiating unit is connected with the radio frequency circuit arranged on one side of the second laminated circuit, the radio frequency circuit feeds current signals to the radiating unit through the feeding end, so that the radiating unit radiates radio frequency signals of at least one frequency band under the excitation of the current signals, the radiating unit does not occupy the clearance near the inner frame of the electronic equipment, can coexist with other antennas in the electronic equipment, covers more frequency band radio frequency signals, occupies small area of the substrate, and does not influence the layout of other modules on the substrate, the first laminated circuit and the second laminated circuit.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present application, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic perspective view of an electronic device according to an embodiment;

FIG. 2a is a schematic cross-sectional structure of an antenna module according to an embodiment;

FIG. 2b is a schematic cross-sectional view of an antenna module according to another embodiment;

FIG. 3a is a schematic diagram showing a relative position of a radiation unit and a substrate according to an embodiment;

FIG. 3b is a schematic diagram showing a relative position of the radiation unit and the substrate according to another embodiment;

FIG. 4 is a schematic diagram of a connection structure between a radiating unit and a resonant unit according to an embodiment;

FIG. 5a is a schematic diagram of S11 parameter simulation of an antenna module according to an embodiment;

FIG. 5b is a schematic diagram illustrating an efficiency simulation of an antenna module according to an embodiment;

FIG. 6 is a schematic diagram of a connection structure between a radiating unit and a resonant unit according to another embodiment;

FIG. 7 is a schematic diagram of a radiation unit according to an embodiment;

FIG. 8 is a schematic diagram of an antenna module in an electronic device according to an embodiment;

fig. 9 is a block diagram of a relevant part structure of an electronic device according to an embodiment of the present invention.

Detailed Description

In order to make the objects, technical solutions and advantages of the present application more apparent, the present application will be further described in detail with reference to the accompanying drawings and examples. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the present application.

It will be understood that the terms "first," "second," and the like, as used herein, may be used to describe various elements, but these elements are not limited by these terms. These terms are only used to distinguish one element from another element and should not be construed as indicating or implying a relative importance or number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present application, the meaning of "plurality" is at least two, such as two, three, etc., unless explicitly defined otherwise.

It will be understood that when an element is referred to as being "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present.

The antenna module of an embodiment of the present application is applied to the electronic device 10, and in one embodiment, the electronic device 10 may be a communication module including a mobile phone, a tablet computer, a notebook computer, a palm computer, a mobile internet device (Mobile Internet Device, MID), a wearable device (e.g. a smart watch, a smart bracelet, a pedometer, etc.), or other array antenna devices.

As shown in fig. 1, in an embodiment of the present application, an electronic device 10 may include a display screen assembly 120, a housing assembly, and a controller. The display screen assembly 120 is secured to the housing assembly and forms, with the housing assembly, an external structure of the electronic device 10. The housing assembly may include a center frame 110 and a rear cover. The middle frame 110 may be a frame structure having a through hole. The middle frame 110 may be accommodated in an accommodating space formed by the display screen assembly 120 and the rear cover. The rear cover is used to form the exterior contour of the electronic device 10. The rear cover may be integrally formed. In the forming process of the rear cover, a rear camera hole, a fingerprint identification module, an antenna device mounting hole and other structures can be formed on the rear cover. The rear cover may be a non-metal rear cover, for example, a plastic rear cover, a ceramic rear cover, a 3D glass rear cover, or the like. The controller is capable of controlling the operation of the electronic device 10, etc. The display screen assembly 120 may be used to display pictures or fonts and can provide an operator interface for a user. The antenna module is integrated in the shell assembly, and the antenna module can transmit and receive radio frequency signals through the shell assembly.

As shown in fig. 2a and 2b, the embodiment of the present application provides an antenna module, which includes a substrate 210, a first stacked circuit 220, a ground layer, a second stacked circuit, and a radio frequency circuit 240.

In one embodiment, the substrate 210, the first stacked circuit 220, the ground layer, the second stacked circuit may be formed in a multi-layer printed circuit board (Printed circuit board, PCB) that is integrated using an HDI (high density interconnect) process. The multilayer printed circuit board may include a core layer, and PP (Prepreg) layers are respectively stacked on both sides of the core layer, and a metal layer TM is further plated on each PP layer and the core layer. The PP layer is a prepreg and is arranged between the two copper layers, so that the two copper layers are isolated and bonded. The metal layer TM may be a copper layer, a tin layer, a lead-tin alloy layer, a tin-copper alloy layer, or the like. Depending on the functional requirements of the electronic device 10, the circuit module may be integrated above the substrate 210, the first stacked circuit 220, and the second stacked circuit.

In one embodiment, the substrate 210 may be understood as a core layer, wherein the substrate 210 includes a first surface and a second surface disposed opposite to each other, wherein the first stacked circuit 220 is disposed on the first surface of the substrate 210. The first stacked circuit 220 may include a plurality of metal layers TM and PP disposed at intervals. Wherein the metal layer TM is located above the PP layer. In one embodiment, the ground layer is disposed on the second surface of the substrate 210. In one embodiment, the second stacked circuit is disposed on a side of the ground layer facing away from the substrate 210, and a side of the second stacked circuit facing away from the ground layer is used to dispose the radio frequency circuit 240. The second stacked circuit may also include a plurality of metal layers TM and PP disposed at intervals. Wherein the metal layer TM is located above the PP layer. The substrate 210, the first stacked circuit 220, the second stacked circuit, and the circuit modules disposed thereon form a motherboard of the electronic device 10.

The radio frequency circuitry 240 includes, but is not limited to, an antenna assembly, at least one amplifier, transceiver, coupler, low noise amplifier (Low Noise Amplifier, LNA), diplexer, and the like. In addition, the radio frequency circuit 240 may also communicate with networks and other devices via wireless communications. The wireless communications may use any communication standard or protocol including, but not limited to, global system for mobile communications (Global System of Mobile communication, GSM), general packet radio service (General Packet Radio Service, GPRS), code division multiple access (Code Division Multiple Access, CDMA), wideband code division multiple access (Wideband Code Division Multiple Access, WCDMA), long term evolution (Long Term Evolution, LTE)), email, short message service (Short Messaging Service, SMS), and the like.

Referring to fig. 3a, 3b and 4, in one embodiment, a radiation unit 211 is formed at an edge of the substrate 210, and the radiation unit 211 is used for receiving and transmitting radio frequency signals. The radiating element is provided with a feeding end a for feeding a current signal and a grounding end for connecting with a grounding layer, and the feeding end a is connected with the radio frequency circuit 240. The radio frequency circuit 240 feeds a current signal to the radiating element 211 via the feeding terminal a, so that the radiating element 211 radiates a radio frequency signal of at least one frequency band under the excitation of the current signal. Specifically, the radiating element 211 formed by extension may be in the same plane as the main body portion of the substrate 210, or may be in a different plane from the main body portion of the substrate 210, for example, the radiating element 211 may be in a plane perpendicular to the plane in which the main body portion of the substrate 210 is located.

In the antenna module, the radiating unit 211 is formed by extending the edge of the substrate 210, the first laminated circuit 220 and the ground layer are disposed on two sides of the substrate 210, the ground end disposed on the radiating unit 211 is connected with the ground layer, the feeding end a disposed on the radiating unit 211 is connected with the rf circuit 240 disposed on one side of the second laminated circuit, the rf circuit 240 feeds current signals to the radiating unit 211 through the feeding end a, so that the radiating unit 211 radiates rf signals of at least one frequency band under the excitation of the current signals, the radiating unit 211 does not occupy the clearance near the internal frame of the electronic device, can coexist with other antennas in the electronic device, cover more frequency band rf signals, occupy small area of the substrate 210, and do not affect the layout of other modules on the substrate 210, the first laminated circuit 220 and the second laminated circuit.

In one embodiment, the antenna module may include a plurality of substrates 210 (core layers). The radiation units 211 may be formed by extending the edges of the plurality of substrates 210 as required, or the plurality of radiation units 211 may be formed by extending the edges of each substrate 210, so that the antenna module may radiate radio frequency signals in a plurality of frequency bands.

As shown in fig. 4, in one embodiment, the radiating element 211 includes at least a first radiating arm 2111 and a second radiating arm 2112. Wherein, the first end of the first radiating arm 2111 is connected with the first end of the second radiating arm 2112, the second end of the first radiating arm 2111 is suspended, the second end of the second radiating arm 2112 is connected with the grounding end, i.e. the grounding end is arranged on the second end of the second radiating arm 2112; a feeding end a is disposed between the first end and the second end of the second radiating arm 2112, and specifically, the feeding end a may be disposed at any position between the first end and the second end of the second radiating arm 2112, and is selected according to a correspondence between the length of the antenna body and the frequency of the radio frequency signal to be radiated. In one embodiment, the first radiating arm 2111 and the second radiating arm 2112 are respectively disposed at the edge of the substrate 210 along the direction of two adjacent edges on the substrate 210. The radiation unit 211 formed by extending is conformal with the edge of the substrate 210, so that the space utilization rate can be improved, that is, the space for arranging other circuits on the substrate 210 is not affected, the inside of the shell of the electronic device 10 occupies a smaller space, the clearance area of the antenna arranged on the frame in the electronic device 10 is not occupied, and the mutual interference with other antennas is avoided.

As shown in fig. 3a, in one embodiment, a first radiation arm 2111 is provided at an edge of the substrate 210 along a length direction of the substrate 210, and a second radiation arm 2112 is provided at an edge of the substrate 210 along a width direction of the substrate 210. The longitudinal direction and the width direction of the substrate 210 only indicate two directions of the frame of the substrate 210, and the dimension in the longitudinal direction is not limited to be larger than the dimension in the width direction.

As shown in fig. 4, in one embodiment, the antenna module further includes a resonating unit 260. The resonant unit 260 is connected between the feeding end a and the rf circuit 240, and can filter and tune the received current signal, so that after the tuned current signal is fed into the radiating unit 211, at least two resonant frequencies are generated on the radiating unit 211, so that the radiating unit 211 can radiate rf signals in two frequency bands. Specifically, the first radiating arm 2111 and the second radiating arm 2112 form a first antenna body, and a current signal generated by the radio frequency circuit 240 is fed into the first antenna body through the resonant unit 260 and the feed end a, so that the first antenna body radiates a radio frequency signal of a first frequency band; the first radiating arm 2111 and the portion from the feeding end a of the second radiating arm 2112 to the first end of the second radiating arm 2112 form a second antenna body, and the current signal generated by the radio frequency circuit 240 is fed into the second antenna body through the resonant unit 260 and the feeding end a, so that the second antenna body radiates the radio frequency signal in the second frequency band. According to the different positions of the feeding end a, the frequency of the second frequency band radio frequency signal generated by the radiating unit 211 also changes; the parameter change of the resonance unit 260 can adjust the frequencies of the first frequency band radio frequency signal and the second frequency band radio frequency signal.

In one embodiment, the first frequency band radio frequency signal is a radio frequency signal of 6.5GHz, the second frequency band radio frequency signal is a radio frequency signal of 8GHz, in order to achieve radiation of the frequency, in one embodiment, the length L2 of the first radiating arm 2111 is 4.7mm, the thickness L4 of the first radiating arm 2111 is 0.35mm, the length L1 of the second radiating arm 2112 is 2.8mm, the distance L3 from the feeding end a to the first end a of the second radiating arm 2112 is 0.74mm, the resonant unit 260 includes an inductor connected in series between the feeding end a and the radio frequency circuit 240, the inductance value thereof is 3nH, the resonant unit 260 further includes a shunt capacitor, one end feeding end a of the capacitor is connected, the other end of the capacitor is grounded, and the capacitance value thereof is 0.3pf. As shown in fig. 5a and fig. 5b, by arranging the resonant unit 260 and the radiating unit 211 in the antenna module, dual resonant frequencies can be generated on the radiating unit 211, one resonant frequency is a 6.5G frequency band of an ultra-wideband signal, one wash-true frequency band is an 8G frequency band of the ultra-wideband signal, and the radiation efficiency and the total efficiency of the radiating unit 211 radiating radio frequency signals of each working frequency band all meet the communication requirements.

As shown in fig. 6, in one embodiment, the antenna module includes a plurality of resonant units 260, and the second radiating arm 2112 is provided with a plurality of feeding terminals a, and the number of the resonant units 260 is the same as that of the resonant units 260, and each resonant unit 260 is connected between the radio frequency circuit 240 and one feeding terminal a. The portion from each feeding end a of the second radiating arm 2112 to the first end of the second radiating arm 2112 and the first radiating arm 2111 respectively form a plurality of antenna bodies, and under the resonance adjustment of the resonance unit 260 correspondingly connected to each feeding end a, the radiating unit 211 can generate a plurality of resonance frequencies.

As shown in fig. 7, in one embodiment, the radiating element 211 further includes a third radiating arm 2113. The first end of the third radiating arm 2113 is connected to the first end of the second radiating arm 2112, the second end of the third radiating arm 2113 is suspended, the third radiating arm 2113 and the second radiating arm 2112 form a third antenna body, and a current signal generated by the radio frequency circuit 240 is fed to the third antenna body through the resonant unit 260 and the feed end a, so that the third antenna body radiates a radio frequency signal of a third frequency band; the portion from the feeding end a of the second radiating arm 2112 to the first end of the second radiating arm 2112 and the third radiating arm 2113 form a fourth antenna body, and the current signal generated by the radio frequency circuit 240 is fed into the fourth antenna body through the resonant unit 260 and the feeding end a, so that the fourth antenna body radiates the fourth frequency band radio frequency signal. Specifically, the third radiating arm 2113 may be disposed along the reverse extension line direction of the first radiating arm 2111.

In one embodiment, the length dimension of the third radiating arm 2113 is different from the length dimension of the first radiating arm 2111, so that the third antenna body and the first antenna body can operate in different frequency bands, and in particular, the operating frequency band of the radiating element 211 can be changed by changing the length dimensions of the first radiating arm 2111, the second radiating arm 2112 and the third radiating arm 2113. The longer the radiator is, the lower the frequency band can be covered. The length dimension is understood to be the length between the first and second ends of each radiating arm. In addition, the operating frequency band of the radiating element 211 may be changed by changing the position of the feeding terminal a, and the operating frequency band of the radiating element 211 may be changed by changing the parameters of the resonance unit 260.

By changing the operating frequency band of the radiating unit 211 in the above manner, the antenna module can support one or more of LTE signal, GPS signal, wiFi signal, UBW signal, 5G signal, 2G signal, 3G signal, bluetooth (Bluetooth) signal, so that the electronic device 10 can cover more frequency bands and work with other antennas of the electronic device 10.

LTE signals can be classified into Low frequency signals (LB), intermediate frequency signals (MB), and High frequency signals (HB). The satellite positioning signals include at least one of Global positioning system (Global PositioningSystem, GPS) signals having a frequency in the range of 1.2GHz-1.6GHz, beidou satellite navigation system (BeiDou Navigation Satellite System, BDS) signals, and GLONASS satellite navigation system (GlobalNavigation Satellite System, GLONASS) signals. The operating frequency of the WiFi signal may include 2400MHz-5000MHz. The working frequency band of the 5G signal can at least comprise an N78 frequency band and an N79 frequency band, wherein the N78 frequency band is 3.3 GHz-3.6 GHz, and the frequency range of the N79 frequency band can be 4.8 GHz-5 GHz. UBW signal (Ultra Wide Band), an Ultra wideband signal, refers to a signal with an absolute bandwidth greater than 500MHz at-10 db or a relative bandwidth greater than 20%.

It should be noted that the radiating arms may be understood as conductive branches on the radiating unit 211, and more radiating arms may be provided as conductive branches according to the number of frequency bands required to radiate, where each radiating arm is integrally formed with the main body portion of the substrate 210.

It should be noted that frequencies in the range of 7-13% of the resonance frequency are understood as the operating bandwidth of the antenna. For example, the resonant frequency of the antenna is 6GHz, the operating bandwidth is 10% of the resonant frequency, and the operating frequency band of the antenna is 5.4GHz-6.6GHz.

As shown in fig. 2b, in one embodiment, the antenna module further includes a feeding structure 250, and the feeding structure 250 penetrates through the second stacked circuit, the ground layer and the substrate 210 for connecting the rf circuit 240 and the feeding end a of the radiating unit 211 to feed the current signal from the rf circuit 240 to the radiating unit 211.

In one embodiment, through holes may be formed in the second stacked circuit, the ground layer, and the substrate 210, where the positions of the through holes on the substrate 210 correspond to the positions of the feeding terminals a. Conductive material may also be filled in the via to form a feed structure 250 and to conduct the rf circuit 240 and the radiating element 211 through the feed structure 250. The rf circuit 240 is connected to the radiating unit 211 through the feeding structure 250 to feed a current signal into the radiating unit 211, thereby implementing the receiving and transmitting of the rf signal.

In one embodiment, the feeding structure 250 is a radio frequency wire, and the second stacked circuit, the ground layer, and the substrate 210 are all provided with through holes for the radio frequency wire to pass through, so that the radio frequency wire can connect the feeding end a of the radiating unit 211 with the radio frequency circuit 240, and the current signal generated by the radio frequency circuit 240 is fed into the radiating unit 211, thereby implementing the receiving and transmitting of the radio frequency signal.

As shown in fig. 8, in one embodiment, an electronic device 10 is provided, which includes a housing and an antenna module in any of the above embodiments, wherein the antenna module is accommodated in the housing. Be provided with the slot antenna on the frame of electronic equipment 10, under the background that curved surface screen's side crooked radian is bigger and bigger, the section height of side frame is limited, thereby make slot antenna headroom reduce by a wide margin, be difficult to further increase slot antenna in order to cover more work frequency ranges, in this application embodiment, extend on the edge when making base plate 210 and form radiating element 211, do not occupy the headroom of slot antenna, and still can be used for setting up other circuit modules of electronic equipment 10 on base plate 210, first stacked circuit 220 and the second stacked circuit, make realize the design demand of multiband, multiaerial on can satisfying the portable basis of electronic equipment 10.

Referring to fig. 9, fig. 9 is a block diagram of a part of the structure related to the electronic device 10 provided in the embodiment of the present application. The electronic device 10 may include an array antenna 390, a memory 350 including one or more computer-readable storage media, an input unit 380, a display unit 370, a sensor 360, audio circuitry 330, a wireless fidelity (WiFi, wireless Fidelity) module, a processor 310 including one or more processing cores, and a power supply 340. Those skilled in the art will appreciate that the configuration of the electronic device 10 shown in fig. 9 is not limiting of the electronic device 10 and may include more or fewer components than shown, or may combine certain components, or a different arrangement of components.

The array antenna 390 can be used for receiving and transmitting information or receiving and transmitting signals in the communication process, and can receive downlink information of the base station and then process the downlink information for the processor 310; the uplink data may be transmitted to the base station.

Memory 350 may be used to store applications and data. Memory 350 stores applications that include executable code. Applications may constitute various functional modules. The processor 310 executes various functional applications and data processing by running application programs stored in the memory 350. The memory 350 may mainly include a storage program area that may store an operating system, application programs required for at least one function (such as a sound playing function, an image playing function, etc.), and a storage data area; the storage data area may store data created according to the use of the electronic device 10 (such as audio data, phonebooks, etc.), and the like. In addition, the memory 350 may include high-speed random access memory 350, and may also include non-volatile memory 350, such as at least one disk memory 350 piece, a flash memory device, or other volatile solid-state memory 350 piece. Accordingly, memory 350 may also include a memory 350 controller to provide access to memory 350 by processor 310 and input unit 380.

The input unit 380 may be used to receive input numbers, character information or user characteristic information (such as fingerprints), and to generate keyboard, mouse, joystick, optical or trackball signal inputs related to user settings and function control. In particular, in one particular embodiment, the input unit 380 may include a touch panel 381, as well as other input devices 382. The touch panel 381, also referred to as a touch display screen or a touch pad, may collect touch operations thereon or thereabout by a user (e.g., operations thereon or thereabout by a user using any suitable object or accessory such as a finger, a stylus, etc.), and drive the corresponding connection device according to a predetermined program. Alternatively, the touch panel 381 may include two parts, a touch detection device and a touch controller. The touch detection device detects the touch azimuth of a user, detects a signal brought by touch operation and transmits the signal to the touch controller; the touch controller receives touch information from the touch detection device and converts it into touch point coordinates, which are then sent to the processor 310, and can receive commands from the processor 310 and execute them.

The display unit 370 may be used to display information entered by a user or provided to a user as well as various graphical user interfaces of the electronic device 10, which may be composed of graphics, text, icons, video, and any combination thereof. The display unit 370 may include a display panel 371. Alternatively, the display panel 371 may be configured in the form of a liquid crystal display (LCD, liquid Crystal Display), an Organic Light-Emitting Diode (OLED), or the like. Further, the touch panel 381 may overlay the display panel 371, and after the touch panel 381 detects a touch operation thereon or thereabout, the touch panel 381 is transferred to the processor 310 to determine a type of a touch event, and then the processor 310 provides a corresponding visual output on the display panel 371 according to the type of the touch event. Although in fig. 9, the touch panel 381 and the display panel 371 are implemented as two separate components to implement the input and output functions, in some embodiments, the touch panel 381 and the display panel 371 may be integrated to implement the input and output functions. It is understood that the display screen may include an input unit 380 and a display unit 370.

The electronic device 10 may also include at least one sensor 360, such as a light sensor 360, a motion sensor 360, and other sensors 360. Specifically, the light sensor 360 may include an ambient light sensor 360 and a proximity sensor 360, wherein the ambient light sensor 360 may adjust the brightness of the display panel 371 according to the brightness of ambient light, and the proximity sensor 360 may turn off the display panel 371 and/or backlight when the electronic device 10 is moved to the ear. As one of the motion sensors 360, the gravity acceleration sensor 360 can detect the acceleration in all directions (typically three axes), and can detect the gravity and direction when stationary, and can be used for applications of recognizing the gesture of a mobile phone (such as horizontal-vertical screen switching, related games, magnetometer gesture calibration), vibration recognition related functions (such as pedometer, knocking), and the like; other sensors 360, such as gyroscopes, barometers, hygrometers, thermometers, infrared sensors 360, etc., which may also be configured with the electronic device 10, are not described in detail herein.

Audio circuitry 330 may provide an audio interface between a user and electronic device 10 through speaker 331, microphone 332. The audio circuit 330 may convert the received audio data into an electrical signal, transmit the electrical signal to the speaker 331, and convert the electrical signal into a sound signal for output by the speaker 331; on the other hand, the microphone 332 converts the collected sound signals into electrical signals, which are received by the audio circuit 330 and converted into audio data, which are processed by the audio data output processor 310 for transmission to, for example, another electronic device 10 via the radio frequency circuit 240, or which are output to the memory 350 for further processing. Audio circuitry 330 may also include a headset base to provide communication of the peripheral headset with electronic device 10.

Wireless fidelity (WiFi) module 320 is a short-range wireless transmission technology, and electronic device 10, via wireless fidelity module 320, can help a user receive e-mail, browse web pages, access streaming media, etc., and provides wireless broadband internet access to the user. Although fig. 9 illustrates a wireless fidelity module 320, it is understood that it is not a necessary component of the electronic device 10 and may be omitted entirely as desired without changing the essence of the invention.

The processor 310 is a control center of the electronic device 10, connects various parts of the entire electronic device 10 using various interfaces and lines, and performs various functions of the electronic device 10 and processes data by running or executing applications stored in the memory 350, and calling data stored in the memory 350, thereby performing overall monitoring of the electronic device 10. Optionally, processor 310 may include one or more processing cores; preferably, the processor 310 may integrate an application processor 310 and a modem processor 310, wherein the application processor 310 primarily handles operating systems, user interfaces, applications, etc., and the modem processor 310 primarily handles wireless communications. It will be appreciated that the modem processor 310 may not be integrated into the processor 310.

The electronic device 10 also includes a power supply 340 that provides power to the various components. In one embodiment, the power supply 340 may be logically connected to the processor 310 through a power supply 340 management system, so that functions of managing charging, discharging, and power consumption are performed through the power supply 340 management system. The power source 340 may also include one or more of any components, such as a direct current or alternating current power source 340, a recharging system, a power source 340 fault detection circuit, a power source 340 converter or inverter, a power source 340 status indicator, and the like.

Although not shown in fig. 9, the electronic device 10 may further include a bluetooth module or the like, which is not described herein. In the implementation, each module may be implemented as an independent entity, or may be combined arbitrarily, and implemented as the same entity or several entities, and the implementation of each module may be referred to the foregoing method embodiment, which is not described herein again.

Any reference to memory, storage, database, or other medium used herein may include non-volatile and/or volatile memory. Suitable nonvolatile memory can include Read Only Memory (ROM), programmable ROM (PROM), electrically Programmable ROM (EPROM), electrically Erasable Programmable ROM (EEPROM), or flash memory. Volatile memory can include random access memory (RM), which acts as external cache memory. By way of illustration and not limitation, RMs are available in a variety of forms, such as Static RMs (SRMs), dynamic RMs (DRMs), synchronous DRMs (SDRMs), double data rates SDRM (DDR SDRM), enhanced SDRMs (ESDRMs), synchronous link (synchronous) DRMs (SLDRMs), memory bus (Rmbus) direct RMs (RDRMs), direct memory bus dynamic RMs (DRDRMs), and memory bus dynamic RMs (RDRMs).

The technical features of the above-described embodiments may be arbitrarily combined, and all possible combinations of the technical features in the above-described embodiments are not described for brevity of description, however, as long as there is no contradiction between the combinations of the technical features, they should be considered as the scope of the description.

The above examples only represent a few embodiments of the present application, which are described in more detail and are not to be construed as limiting the scope of the claims. It should be noted that it would be apparent to those skilled in the art that various modifications and improvements could be made without departing from the spirit of the present application, which would be within the scope of the present application. Accordingly, the scope of protection of the present application is to be determined by the claims appended hereto.

Claims

1. An antenna module, comprising:

the second lamination circuit is arranged on one side, away from the substrate, of the grounding layer, and one side, away from the grounding layer, of the second lamination circuit is used for arranging a radio frequency circuit, the radio frequency circuit is connected with a feed end of the radiating unit, and current signals are fed into the radiating unit through the feed end so that the radiating unit radiates radio frequency signals of at least one frequency band under the excitation of the current signals;

the radiating unit at least comprises a first radiating arm and a second radiating arm, wherein the first end of the first radiating arm is connected with the first end of the second radiating arm, the second end of the first radiating arm is suspended, the second end of the second radiating arm is connected with the grounding end, and the feed end is arranged between the first end and the second end of the second radiating arm; the first radiation arm and the second radiation arm are respectively arranged at the edge of the substrate along the direction of two adjacent edges on the substrate.

2. The antenna module of claim 1, wherein the antenna module further comprises:

the resonance unit is connected between the feed end and the radio frequency circuit, and generates at least two resonance frequencies on the radiation unit under resonance adjustment of the resonance unit;

the current signal generated by the radio frequency circuit is fed into a first antenna body formed by a first radiation arm and a second radiation arm through the resonance unit and the feed end, so that the first antenna body radiates radio frequency signals of a first frequency band;

and current signals generated by the radio frequency circuit are fed into a second antenna body formed by the first radiating arm and a part from the feed end to the first end of the second radiating arm in the first radiating arm through the resonance unit and the feed end, so that the second antenna body radiates radio frequency signals of a second frequency band.

3. The antenna module of claim 2, wherein the first frequency band radio frequency signal is a 6.5GHz radio frequency signal and the second frequency band radio frequency signal is an 8GHz radio frequency signal.

4. The antenna module of claim 2, wherein the antenna module includes a plurality of the resonant cells, the number of the feed terminals being the same as the number of the resonant cells, each of the resonant cells being connected between the radio frequency circuit and one of the feed terminals.

5. The antenna module of claim 2, wherein the radiating element further comprises a third radiating arm, a first end of the third radiating arm being coupled to a first end of the second radiating arm, a second end of the third radiating arm being suspended;

the current signal generated by the radio frequency circuit is fed into a third antenna body formed by a third radiation arm and a second radiation arm through the resonance unit and the feed end, so that the third antenna body radiates radio frequency signals of a third frequency band;

and current signals generated by the radio frequency circuit are fed into a fourth antenna body formed by the third radiating arm and a part from the feed end to the first end of the second radiating arm in the second radiating arm through the resonance unit and the feed end, so that the fourth antenna body radiates fourth-frequency-band radio frequency signals.

6. The antenna module of claim 5, wherein a length dimension of the third radiating arm is different from a length dimension of the first radiating arm.

7. The antenna module of claim 1, wherein the antenna module further comprises:

and the feed structure penetrates through the second laminated circuit, the ground layer and the substrate and is used for connecting the radio frequency circuit with the feed end of the radiation unit and feeding a current signal from the radio frequency circuit to the radiation unit.

8. The antenna module of claim 7, wherein the feeding structure is a radio frequency wire, through holes are formed in the second laminated circuit, the ground layer and the substrate, the through holes are used for allowing the radio frequency wire to pass through, and the radio frequency wire is used for connecting a feeding end of the radiating unit with the radio frequency circuit and feeding a current signal from the radio frequency circuit to the radiating unit.

9. The antenna module of claim 7, wherein the second stacked circuit, the ground layer, and the substrate are each provided with a via, and the via is filled with a conductive material to form the feed structure.

10. The antenna module of claim 1, wherein the radio frequency signal is an ultra wideband radio frequency signal.

11. An electronic device, comprising:

a housing; and

The antenna module of any of claims 1-10, wherein the antenna module is housed within the housing.