CN106685489A - Communication terminal and near-field communication antenna module - Google Patents
Communication terminal and near-field communication antenna module Download PDFInfo
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- CN106685489A CN106685489A CN201710113969.3A CN201710113969A CN106685489A CN 106685489 A CN106685489 A CN 106685489A CN 201710113969 A CN201710113969 A CN 201710113969A CN 106685489 A CN106685489 A CN 106685489A
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- 229910000859 α-Fe Inorganic materials 0.000 claims description 15
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- 238000000034 method Methods 0.000 description 24
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Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B5/00—Near-field transmission systems, e.g. inductive or capacitive transmission systems
- H04B5/40—Near-field transmission systems, e.g. inductive or capacitive transmission systems characterised by components specially adapted for near-field transmission
- H04B5/48—Transceivers
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B5/00—Near-field transmission systems, e.g. inductive or capacitive transmission systems
- H04B5/70—Near-field transmission systems, e.g. inductive or capacitive transmission systems specially adapted for specific purposes
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B5/00—Near-field transmission systems, e.g. inductive or capacitive transmission systems
- H04B5/70—Near-field transmission systems, e.g. inductive or capacitive transmission systems specially adapted for specific purposes
- H04B5/75—Near-field transmission systems, e.g. inductive or capacitive transmission systems specially adapted for specific purposes for isolation purposes
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Telephone Set Structure (AREA)
Abstract
An embodiment of the invention discloses a communication terminal and a near-field communication antenna module. The communication terminal comprises a middle metal frame, an LCD (liquid crystal display) panel and an NFC (near-field communication) antenna module, wherein the NFC antenna module is positioned between the middle metal frame and the LCD panel, is close to at least one side edge of the LCD panel and deviates from the center position of the LCD panel.
Description
Technical field
The present invention relates to wireless communication field, more particularly to a kind of communication terminal and near-field communication aerial module.
Background technology
In communication terminal, metal shell is a kind of common housing, and is using more and more extensive housing.Metal-back
Signal radiation of the body to antenna has certain shielding action.Therefore the Antenna Design of communication terminal is very difficult.Near-field communication (Near
Field Communication, NFC) antenna modules be carry out near-field communication signal transmitting and receive main body.But practice is sent out
Existing, the radiation efficiency of existing NFC antenna is very low, far less than being expected, and the communication distance for causing NFC is short, communication area is little
And the problem of high energy consumption.
The content of the invention
In view of this, the embodiment of the present invention provides a kind of information to solve at least one problem present in prior art
Processing method and electronic equipment.
What the technical scheme of the embodiment of the present invention was realized in：The embodiment of the present invention provides a kind of communication terminal, including：
Metal center,
Liquid crystal display LCD；
Near-field communication NFC antenna module, between the metal center and the LCD, and the NFC antenna mould
At least one side of group is near the side of the LCD, and the NFC antenna module deviates the center of the LCD
Position.
Based on such scheme, the LCD is rectangular panel；
The central point of the NFC antenna module is not more than A*B with the distance of at least one side of the LCD, wherein,
The A is the length of the first side of the LCD；The first side is perpendicular to the second side of the LCD；Its
In, the second side is the NFC antenna module near the side of the LCD；The B be preset ratio value, the B
It is the positive number less than 0.5.
Based on such scheme, at least one side of the NFC antenna module is alignd with the side of the LCD.
Based on such scheme, the rectangular shape of the LCD, including two groups of sides, respectively first group side and second
Group side；Wherein, the length of side of the length of side of first group of side less than second group of side；In side described in each group two
Individual side is isometric and is parallel to each other；
The NFC antenna module is rectangular-shaped, including two groups of sides, respectively the 3rd group side and the 4th group of side, its
In, described wherein one article side in 3rd group of side is adjacent with a set of side of first group of side；In the 4th group of side
Two sides are adjacent with two sides of second group of side.
Based on such scheme, the length of side of the 3rd group of side is equal with the length of side of first group of side or difference is pre-
If in scope.
Based on such scheme, the communication terminal also includes：Driving chip；
The driving chip is located between the metal center and the LCD, and the first of the neighbouring LCD
End；The NFC antenna module is adjacent to the second end of the LCD；The first end and second end are the LCD
Opposite end.
Based on such scheme, the NFC antenna module includes NFC antenna coil, the first antifreeze plate and the second antifreeze plate；Its
In, the NFC antenna coil is overlayed on first antifreeze plate, and first antifreeze plate is overlayed on the second antifreeze plate,
Second antifreeze plate is than first antifreeze plate near the metal center；
The real part of the relative permeability of first antifreeze plate, less than the reality of the relative permeability of second antifreeze plate
Portion；
The imaginary part of the relative permeability of second antifreeze plate, less than the void of the relative permeability of second antifreeze plate
Portion.Based on the ferrite antifreeze plate that such scheme, first antifreeze plate are made for ferrite；
The amorphous nano-crystalline antifreeze plate that second antifreeze plate is made for the amorphous nano-crystalline that ferrite is made.
Embodiment of the present invention second aspect provides a kind of near-field communication NFC antenna module, including：
NFC antenna coil, the first antifreeze plate and the second antifreeze plate；Wherein, the NFC antenna coil overlays described first
On antifreeze plate, first antifreeze plate is overlayed on the second antifreeze plate,
Second antifreeze plate is than first antifreeze plate near the metal center；
The real part of the relative permeability of first antifreeze plate, less than the reality of the relative permeability of second antifreeze plate
Portion；
The imaginary part of the relative permeability of second antifreeze plate, less than the void of the relative permeability of second antifreeze plate
Portion.Based on the ferrite antifreeze plate that such scheme, first antifreeze plate are made for ferrite；
The amorphous nano-crystalline antifreeze plate that second antifreeze plate is made for the amorphous nano-crystalline that ferrite is made.
The communication terminal provided in the embodiment of the present invention, NFC antenna module are at least close with LCD side,
Like this, allow for NFC antenna module and the marginal portion of metal center is partially moved to from the middle of metal center, so
In radiation signal, the sectional area in the path that the RF signals of radiation are located through the metal center subtracts NFC antenna module significantly
It is little, so as to reduce absorbing power of the metal center to RF signals, so as to reduce absorbed RF signals, so as to lift NFC days
The radiation efficiency of line module, improves energy spilling rate, increases communication distance, increased communication area, and improves communication
Ability and communication quality.
Description of the drawings
Fig. 1 is the hardware architecture diagram of a mobile terminal for realizing each embodiment of the invention；
Fig. 2 is the wireless communication system schematic diagram of mobile terminal as shown in Figure 1；
Fig. 3 is a kind of decomposition texture schematic diagram of communication terminal；
Fig. 4 is the positive structure schematic of the communication terminal shown in Fig. 3；
Fig. 5 is a kind of decomposition texture schematic diagram of communication terminal provided in an embodiment of the present invention；
Fig. 6 is a kind of positive structure schematic of communication terminal provided in an embodiment of the present invention；
Fig. 7 is the assembling schematic diagram of NFC antenna module provided in an embodiment of the present invention；
Fig. 8 is that the Facad structure after a kind of NFC antenna module provided in an embodiment of the present invention is combined with metal center is illustrated
Figure；
Fig. 9 is that the side structure after a kind of NFC antenna module provided in an embodiment of the present invention is combined with metal center is illustrated
Figure；
Figure 10 is the radiation analogous diagram of NFC antenna provided in an embodiment of the present invention.
Specific embodiment
It should be appreciated that specific embodiment described herein is not used to only to explain technical scheme
Limit protection scope of the present invention.
The mobile terminal of each embodiment of the invention is realized referring now to Description of Drawings.In follow-up description, use
For representing the suffix of such as " module ", " part " or " unit " of element only for being conducive to the explanation of the present invention, itself
Not specific meaning.Therefore, " module " mixedly can be used with " part ".
Mobile terminal can be implemented in a variety of manners.For example, the terminal described in the present invention can include such as moving
It is phone, smart phone, notebook computer, digit broadcasting receiver, personal digital assistant (PDA), panel computer (PAD), portable
The mobile terminal of formula multimedia player (PMP), guider etc. and the such as fixation of numeral TV, desk computer etc.
Terminal.Hereinafter it is assumed that terminal is mobile terminal.However, it will be understood by those skilled in the art that, except being used in particular for moving mesh
Element outside, construction according to the embodiment of the present invention can also apply to the terminal of fixed type.
Fig. 1 is that the hardware configuration of the mobile terminal 1 00 for realizing each embodiment of the invention is illustrated, as shown in figure 1, mobile whole
End 100 can include that wireless communication unit 110, audio/video (A/V) input block 120, user input unit 130, sensing are single
Unit 140, output unit 150, memorizer 160, interface unit 170, controller 180 and power subsystem 190 etc..Fig. 1 shows
Mobile terminal 1 00 with various assemblies, it should be understood that being not required for implementing all components for illustrating.Can substitute
Implement more or less of component in ground.Will be discussed in more detail below the element of mobile terminal 1 00.
Wireless communication unit 110 generally includes one or more assemblies, and which allows mobile terminal 1 00 and wireless communication system
Or the radio communication between network.For example, wireless communication unit 110 can include broadcasting reception module 111, mobile communication mould
At least one of block 112, wireless Internet module 113, short range communication module 114 and location information module 115.
Broadcasting reception module 111 receives broadcast singal and/or broadcast from external broadcast management server via broadcast channel
Relevant information.Broadcast channel can include satellite channel and/or terrestrial channel.Broadcast management server can be generated and sent
The broadcast singal generated before the server or reception of broadcast singal and/or broadcast related information and/or broadcast related information
And send it to the server of terminal.Broadcast singal can include TV broadcast singals, radio signals, data broadcasting
Signal etc..And, broadcast singal may further include the broadcast singal combined with TV or radio signals.Broadcast phase
Pass information can also be provided via mobile communications network, and in this case, broadcast related information can be by mobile communication mould
Block 112 is receiving.Broadcast singal can be present in a variety of manners, and for example, which can be with the electronics of DMB (DMB)
The form of program guide (EPG), the electronic service guidebooks (ESG) of digital video broadcast-handheld (DVB-H) etc. and exist.Broadcast
Receiver module 111 can receive signal broadcast by using various types of broadcast systems.Especially, broadcasting reception module 111
Can be wide by using such as multimedia broadcasting-ground (DMB-T), DMB-satellite (DMB-S), digital video
Broadcast-hand-held (DVB-H), forward link media (MediaFLO@) Radio Data System, received terrestrial digital broadcasting integrated service
Etc. (ISDB-T) digit broadcasting system receives digital broadcasting.Broadcasting reception module 111 may be constructed such that and be adapted to provide for extensively
Broadcast the various broadcast systems and above-mentioned digit broadcasting system of signal.Via broadcasting reception module 111 receive broadcast singal and/
Or broadcast related information can be stored in memorizer 160 (or other types of storage medium).
Mobile communication module 112 sends radio signals to base station (for example, access point, node B etc.), exterior terminal
And at least one of server and/or receive from it radio signal.Such radio signal can be logical including voice
Words signal, video calling signal or the various types of data for sending and/or receiving according to text and/or Multimedia Message.
Wireless Internet module 113 supports the Wi-Fi (Wireless Internet Access) of mobile terminal 1 00.Wireless Internet module 113 can
To be internally or externally couple to terminal.Wi-Fi (Wireless Internet Access) technology involved by wireless Internet module 113 can include
WLAN (WLAN), Wireless Fidelity (Wi-Fi), WiMAX (Wibro), worldwide interoperability for microwave accesses
(Wimax), high-speed downlink packet accesses (HSDPA) etc..
Short range communication module 114 is the module for supporting junction service.Some examples of short-range communication technology include indigo plant
ToothTM, RF identification (RFID), Infrared Data Association (IrDA), ultra broadband (UWB), purple honeybeeTMEtc..
Location information module 115 is the module for checking or obtaining the positional information of mobile terminal 1 00.Positional information mould
The typical case of block 115 is global positioning system (GPS) module 115.According to current technology, GPS module 115 is calculated from three
The range information and correct time information of individual or more satellites and for the Information application triangulation for calculating, so as to root
Calculate according to longitude, latitude and highly accurately three-dimensional current location information.Currently, the method for calculating position and temporal information
The position calculated using three satellites and by using an other satellite correction and the error of temporal information.Additionally,
GPS module 115 can be by Continuous plus current location information in real time come calculating speed information.
A/V input blocks 120 are used to receive audio or video signal.A/V input blocks 120 can include 121 He of camera
Mike 122, the static images that 121 pairs, camera is obtained by image capture apparatus in Video Capture pattern or image capture mode
Or the view data of video is processed.Picture frame after process is may be displayed on display unit 151.Jing cameras 121 are processed
Carry out sending out during picture frame afterwards can be stored in memorizer 160 (or other storage mediums) or via wireless communication unit 110
Send, two or more cameras 121 can be provided according to the construction of mobile terminal 1 00.Mike 122 can be in telephone relation mould
Sound (voice data) is received via mike in formula, logging mode, speech recognition mode etc. operational mode, and can be by
Such acoustic processing is voice data.Audio frequency (voice) data after process can be changed in the case of telephone calling model
For the form output of mobile communication base station can be sent to via mobile communication module 112.Mike 122 can implement all kinds
Noise eliminate (or suppress) algorithm with eliminate (or suppression) receive and the noise that produces during sending audio signal or
Person disturbs.
User input unit 130 can generate key input data to control mobile terminal 1 00 according to the order of user input
Various operations.User input unit 130 allows the various types of information of user input, and can include keyboard, metal dome,
Touch pad (for example, detection is due to the sensitive component of the change of touched and caused resistance, pressure, electric capacity etc.), roller, shake
Bar etc..Especially, when touch pad is superimposed upon on display unit 151 in the form of layer, touch screen can be formed.
Sensing unit 140 detects the current state of mobile terminal 1 00, and (for example, mobile terminal 1 00 opens or closes shape
State), the position of mobile terminal 1 00, user is for the presence or absence of contact (that is, touch input), the mobile terminal of mobile terminal 1 00
100 orientation, the acceleration or deceleration movement of mobile terminal 1 00 and direction etc., and generate for controlling mobile terminal 1 00
The order of operation or signal.For example, when mobile terminal 1 00 is embodied as sliding-type mobile phone, sensing unit 140 can be sensed
The sliding-type phone is opened or is cut out.In addition, sensing unit 140 can detect power subsystem 190 whether provide electric power or
Whether person's interface unit 170 is coupled with external device (ED).
Interface unit 170 is connected the interface that can pass through as at least one external device (ED) with mobile terminal 1 00.For example,
External device (ED) can include wired or wireless head-band earphone port, external power source (or battery charger) port, wired or nothing
Line FPDP, memory card port (typical case is general-purpose serial bus USB port), the dress for connection with identification module
The port put, audio input/output (I/O) port, video i/o port, ear port etc..Identification module can be that storage is used
In checking user is using the various information of mobile terminal 1 00 and can include subscriber identification module (UIM), client identification module
(SIM), Universal Subscriber identification module (USIM) etc..In addition, the device with identification module (hereinafter referred to as " identifying device ")
The form of smart card can be taken, therefore, identifying device can be connected with mobile terminal 1 00 via port or other attachment means
Connect.
Interface unit 170 can be used for receive from external device (ED) input (for example, data message, electric power etc.) and
One or more elements that the input for receiving is transferred in mobile terminal 1 00 can be used in 00 He of mobile terminal 1
Transmission data between external device (ED).
In addition, when mobile terminal 1 00 is connected with external base, interface unit 170 can serve as allowing to pass through which by electricity
Power provides the path of mobile terminal 1 00 from base or can serve as allowing from base the various command signals being input into pass through which
It is transferred to the path of mobile terminal 1 00.Can serve as from the various command signals or electric power of base input mobile whole for recognizing
Whether end 100 is accurately fitted within the signal on base.
Output unit 150 is configured to provide output signal (for example, audio frequency letter with vision, audio frequency and/or tactile manner
Number, video signal, alarm signal, vibration signal etc.).Output unit 150 can include display unit 151, audio output mould
Block 152, alarm unit 153 etc..
The information that display unit 151 is processed in may be displayed on mobile terminal 1 00.For example, when mobile terminal 1 00 is in electricity
During words call mode, display unit 151 can show and converse or other communicate (for example, text messaging, multimedia files
Download etc.) related user interface (UI) or graphic user interface (GUI).When mobile terminal 1 00 is in video calling pattern
Or during image capture mode, display unit 151 can show the image of capture and/or the image of reception, illustrate video or figure
UI or GUI of picture and correlation function etc..
Meanwhile, when the display unit 151 and touch pad touch screen with formation superposed on one another in the form of layer, display unit
151 can serve as input equipment and output device.Display unit 151 can include liquid crystal display (LCD), thin film transistor (TFT)
In LCD (TFT-LCD), Organic Light Emitting Diode (OLED) display, flexible display, three-dimensional (3D) display etc. at least
It is a kind of.Some in these display may be constructed such that transparence to allow user from outside viewing, and this is properly termed as transparent
Display, typical transparent display can be, for example, TOLED (transparent organic light emitting diode) display etc..According to specific
The embodiment wanted, mobile terminal 1 00 can include two or more display units (or other display devices), for example, move
Dynamic terminal 100 can include outernal display unit (not shown) and inner display unit (not shown).Touch screen can be used to detect
Touch input pressure and touch input position and touch input area.
Dio Output Modules 152 can be in mobile terminal 1 00 in call signal reception pattern, call mode, record mould
It is when under the isotypes such as formula, speech recognition mode, broadcast reception mode, that wireless communication unit 110 is received or in memorizer
The voice data transducing audio signal that stores in 160 and it is output as sound.And, dio Output Modules 152 can provide with
(for example, call signal receives sound, message sink sound etc. to the audio output of the specific function correlation that mobile terminal 1 00 is performed
Deng).Dio Output Modules 152 can include speaker, buzzer etc..
Alarm unit 153 can provide output so that event is notified to mobile terminal 1 00.Typical event can be with
Including calling reception, message sink, key signals input, touch input etc..In addition to audio or video is exported, alarm unit
153 can provide output in a different manner with the generation of notification event.For example, alarm unit 153 can be in the form of vibrating
Output is provided, when calling, message or some other entrance communication (incoming communication) are received, alarm list
Unit 153 can provide tactile output (that is, vibrating) to notify to user.Tactile output as by providing, even if
When the mobile phone of user is in the pocket of user, user also can recognize that the generation of various events.Alarm unit 153
The output of the generation of notification event can be provided via display unit 151 or dio Output Modules 152.
Memorizer 160 can store software program for the process and control operation performed by controller 180 etc., Huo Zheke
Temporarily to store the data that exported or will export (for example, telephone directory, message, still image, video etc.).And
And, memorizer 160 can be storing the vibration of various modes with regard to exporting when touching and being applied to touch screen and audio signal
Data.
Memorizer 160 can include the storage medium of at least one type, and the storage medium includes flash memory, hard disk, many
Media card, card-type memorizer (for example, SD or DX memorizeies etc.), random access storage device (RAM), static random-access storage
Device (SRAM), read only memory (ROM), Electrically Erasable Read Only Memory (EEPROM), programmable read only memory
(PROM), magnetic storage, disk, CD etc..And, mobile terminal 1 00 can perform memorizer with by network connection
The network storage device cooperation of 160 store function.
The overall operation of the generally control mobile terminal 1 00 of controller 180.For example, controller 180 perform with voice call,
The related control of data communication, video calling etc. and process.In addition, controller 180 can include it is many for reproducing or playing back
The multi-media module 181 of media data, multi-media module 181 can be constructed in controller 180, or it is so structured that and control
Device processed 180 is separated.Controller 180 can be with execution pattern identifying processing, by the handwriting input for performing on the touchscreen or figure
Piece is drawn input and is identified as character or image.
Power subsystem 190 receives external power or internal power under the control of controller 180 and provides operation each unit
Appropriate electric power needed for part and component.
Various embodiments described herein can be with use such as computer software, hardware or its any combination of calculating
Machine computer-readable recording medium is implementing.For hardware is implemented, embodiment described herein can be by using application-specific IC
(ASIC), digital signal processor (DSP), digital signal processing device (DSPD), programmable logic device (PLD), scene can
Programming gate array (FPGA), processor, controller, microcontroller, microprocessor, it is designed to perform function described herein
At least one in electronic unit implementing, in some cases, can be implemented in controller 180 by such embodiment.
For software is implemented, the embodiment of such as process or function can with allow to perform the single of at least one function or operation
Software module is implementing.Software code can be come by the software application (or program) write with any appropriate programming language
Implement, perform during software code can be stored in memorizer 160 and by controller 180.
So far, mobile terminal 1 00 is described according to its function.Below, for the sake of brevity, description is such as folded
Sliding-type movement in various types of mobile terminal 1s 00 of type, board-type, oscillating-type, slide type mobile terminal 100 etc. is eventually
End 100 is as an example.Therefore, the present invention can be applied to any kind of mobile terminal 1 00, and be not limited to sliding-type movement
Terminal 100.
As shown in Figure 1 mobile terminal 1 00 may be constructed such that using via frame or packet transmission data it is all if any
Line and wireless communication system and satellite-based communication system are operating.
The communication system that wherein mobile terminal 1 of the invention 00 is operable to is described referring now to Fig. 2.
Such communication system can use different air interfaces and/or physical layer.For example, used by communication system
Air interface includes such as frequency division multiple access (FDMA), time division multiple acess (TDMA), CDMA (CDMA) and universal mobile communications system
System (UMTS) (especially, Long Term Evolution (LTE)), global system for mobile communications (GSM) etc..As non-limiting example, under
The description in face is related to cdma communication system, but such teaching is equally applicable to other types of system.
With reference to Fig. 2, cdma wireless communication system can include multiple mobile terminal 1s 00, multiple base stations (BS) 270, base station
Controller (BSC) 275 and mobile switching centre (MSC) 280.MSC 280 is configured to and Public Switched Telephony Network (PSTN)
290 form interface.MSC 280 is also structured to be formed with the BSC 275 that can be couple to base station 270 via back haul link and is connect
Mouthful.If back haul link can be constructed according to any one in the interface that Ganji knows, the interface include such as E1/T1, ATM,
IP, PPP, frame relay, HDSL, ADSL or xDSL.It will be appreciated that as shown in Figure 2 system can include it is multiple
BSC2750。
Each BS 270 can service one or more subregions (or region), by multidirectional antenna or the day of sensing specific direction
Each subregion that line is covered is radially away from BS 270.Or, each subregion can be by for two of diversity reception or more
Multiple antennas are covered.Each BS 270 may be constructed such that the multiple frequency distribution of support, and each frequency distribution with specific frequency
Spectrum (for example, 1.25MHz, 5MHz etc.).
What subregion and frequency were distributed intersect can be referred to as CDMA Channel.BS 270 can also be referred to as base station transceiver
System (BTS) or other equivalent terms.In this case, term " base station " can be used for broadly representing single BSC
275 and at least one BS 270.Base station can also be referred to as " cellular station ".Or, each subregion of specific BS 270 can be claimed
For multiple cellular stations.
As shown in Figure 2, broadcast singal is sent to broadcsting transmitter (BT) 295 mobile terminal operated in system
100.Broadcasting reception module 111 is arranged at mobile terminal 1 00 to receive the broadcast sent by BT295 as shown in Figure 1
Signal.In fig. 2 it is shown that several satellites 300, such as can adopt global positioning system (GPS) satellite 300.Satellite 300 is helped
Help and position at least one of multiple mobile terminal 1s 00.
In fig. 2, multiple satellites 300 are depicted, it is understood that be, it is possible to use any number of satellite obtains useful
Location information.GPS module 115 is generally configured to coordinate to obtain the positioning wanted letter with satellite 300 as shown in Figure 1
Breath.Substitute GPS tracking techniques or outside GPS tracking techniques, it is possible to use can track the position of mobile terminal 1 00 its
Its technology.In addition, at least one gps satellite 300 can optionally or additionally process satellite dmb transmission.
Used as a typical operation of wireless communication system, BS 270 receives the reverse strand from various mobile terminal 1s 00
Road signal.Mobile terminal 1 00 generally participates in call, information receiving and transmitting and other types of communication.Each of the reception of certain base station 270
Reverse link signal is processed in specific BS 270.The data of acquisition are forwarded to the BSC 275 of correlation.BSC is provided
Call resource allocation and the mobile management function of the coordination including the soft switching process between BS 270.BSC275 will also be received
Data be routed to MSC 280, its provide for PSTN 290 formed interface extra route service.Similarly, PSTN
290 form interfaces with MSC 280, and MSC and BSC 275 form interface, and BSC 275 correspondingly controls BS 270 with by forward direction
Link signal is sent to mobile terminal 1 00.
In mobile terminal, the mobile communication module 112 of wireless communication unit 110 is based on the built-in access movement of mobile terminal
The necessary data of communication network (mobile communications network such as such as 2G/3G/4G) is accessed (including customer identification information and authentication information)
Mobile communications network is the business transmission mobile data (bag such as the web page browsing of mobile phone users, network multimedia broadcasting
Include up mobile data and descending mobile data).
The wireless Internet module 113 of wireless communication unit 110 reality by the related protocol function of operation hotspot
The function of existing hotspot, hotspot support that multiple mobile terminals (any mobile terminal outside mobile terminal) are accessed, and lead to
The webpage that the mobile communication crossed between multiplexing mobile communication module 112 and mobile communications network is connected as mobile phone users is clear
Look at, network multimedia is played etc., and business transmission mobile data (includes that up mobile data and descending movement are logical
Letter data), the mobile communication connection transmission movement being substantially multiplexed due to mobile terminal between mobile terminal and communication network
Communication data, therefore the flow of the mobile data of mobile terminal consumption counts movement by the charging entity of communication network side
The post and telecommunication tariff of terminal, the data flow of the mobile data that the post and telecommunication tariff used so as to consume mobile terminal signing includes
Amount.
Research finds that as shown in Figure 3 and Figure 4, NFC antenna module is arranged on liquid crystal display (Liquid Cell
Display, LCD) between panel and metal center.Generally metal center is the big metallic plate of Area comparison, to provide communication eventually
The support of each element inside end housing.The NFC antenna module is placed on the centre of LCD and metal center in the prior art
Part.Like this, the NFC antenna module causes the energy of NFC antenna module radiation equivalent to being surrounded by the metal center
Amount is absorbed by metal center, so as to the radiation efficiency that result in NFC antenna is low, the communication distance of NFC is short, area is little and of poor quality
Problem.In view of a kind of secondary, communication terminal of the present embodiment offer, the other structures of the communication terminal can be as shown in figure 1, this be logical
Letter terminal is adjacent with least one side of LCD by NFC antenna module, then the NFC antenna is adjacent with LCD side
Side, the then area that the radio frequency rf signal that NFC antenna module 330 gives off faces metal center are little, so as to by metal center
The probability for sponging is reduced, and so as to improve the radiation efficiency of NFC antenna module, improves the energy spilling rate of NFC.With
00 hardware configuration of above-mentioned mobile terminal 1 and communication system are based on down, the inventive method each embodiment is proposed.
As shown in figure 5, the embodiment of the present invention provides a kind of communication terminal, including：
Metal center 310,
Liquid crystal display LCD 320；
Near-field communication NFC antenna module 330, it is between the metal center 310 and the LCD 320 and described
NFC antenna module 330 is close with least one side of the LCD 320, and deviates the center of the LCD 320.
In the communication terminal that the present embodiment is provided, the area of generally the metal center 310 and the LCD 320 is near
Seemingly, shape size is similar.
The NFC antenna module 330 is neighbouring to a side less than the LCD 320 in the present embodiment, then table
Show upright projection of the NFC antenna module 330 in the LCD 320, the centre of the LCD 320 will not be located at
Region, and be proximate at the marginal position of at least one side, two sides or 3 sides, like this, NFC antenna module
330 near 320 side edge of the LCD the RF signals for giving off, the probability absorbed by the metal center 310 is greatly
Reduce, so as to improve the radiation efficiency and energy spilling rate of the NFC antenna module, and then increase same radiant power
The communication distance and communication area of NFC antenna module, the intensity of the signal communicated with same position are logical so as to improve
Letter quality.
For example, the LCD 320 is rectangular panel.
The central point of the NFC antenna module 330 is not more than A* with the distance of 320 at least one side of the LCD
B.The A is the length of the first side of the LCD；The first side is perpendicular to the second side of the LCD；
Wherein, the second side is the NFC antenna module near the side of the LCD；The B be preset ratio value, institute
It is the positive number less than 0.5 to state B.
The value of the B can be the value such as 0.1,0.15,0.2,0.25,0.3 or 0.4 or 0.5 in the present embodiment, at this
Can further preferably be 0.25 in embodiment.The NFC antenna module 330 is also rectangular in the present embodiment, then described NFC days
The central point of line module 330 is the geometric center of the NFC antenna module.
In certain embodiments, the side of at least one side of the NFC antenna module 330 and the LCD 320
Alignment.As shown in fig. 6,320 rectangular shape of the LCD, including two groups of sides, respectively first group side and second group of side
Side；Wherein, the length of side of the length of side of first group of side less than second group of side；Two sides in side described in each group
Side is isometric and is parallel to each other；
The NFC antenna module 330 is rectangular-shaped, including two groups of sides, respectively the 3rd group side and the 4th group of side,
Wherein, described wherein one article side in 3rd group of side is adjacent with a set of side of first group of side；The 4th group of side
In two sides it is adjacent with two sides of second group of side.
The LCD 320 and the NFC antenna module 330 are all rectangular or approximate rectangular in the present embodiment, and institute
NFC antenna module 330 is stated while, such words close with 3 sides of LCD 320, is not increasing the NFC antenna mould
In the case of 330 areas of group, can cause the NFC antenna near the side of LCD 320 as far as possible, carry as far as possible
Rise the radiation efficiency and energy spilling rate of the NFC antenna module 330.
Alternatively, the length of side of the 3rd group of side is equal with the length of side of first group of side or difference is in preset range
It is interior.Here in the preset range, the preset range can be 0.5cm, 1cm equal length to difference.The preset range
Maximum occurrences can be a*c%.Wherein, a is the length of side of first group of side of the LCD 320, and the c% is one
Individual preset ratio value, the value of the c is 20,10, is chosen as less than 10 grade positive numbers.
In certain embodiments, as shown in fig. 6, the communication terminal also includes：Driving chip 340；
The driving chip 340 is located between the metal center and the LCD, and the of the neighbouring LCD
One end；The NFC antenna module is adjacent to the second end of the LCD；The first end and second end are the LCD faces
The opposite end of plate.
The quasiconductor more than comparison is potentially included in the driving chip 340, and the electrical conductivity of general quasiconductor is in 10 (U-3)
In the range of~10 (U-9) ohm/cm), these quasiconductors can also absorb RF signals；Meanwhile, driving chip work also can spoke
RF noises are projected, by the work of interference NFC antenna module 310.The driving chip may include LCD in the present embodiment
320 drive component, can provide drive signal for the work of the LCD 320.Certainly, the driving chip can also be
Drive circuit of other functions part etc..
In the present embodiment in order to further lift the radiation efficiency or energy spilling rate of the NFC antenna module 330, meeting
So that the NFC antenna module 330 is away from the driving chip 340.The LCD includes long side and short in the present embodiment
Side, the long side may correspond to aforesaid second group of side, and the minor face may correspond to aforesaid first group of side.In this enforcement
In example, the NFC antenna module 330 and the driving chip 340 are located at two ends on the long side, i.e., positioned at the LCD
The first end of panel 320 and the second end, can thus cause driving chip described in the principle as far as possible of NFC antenna module 330
340, so as to reduce radiation of the driving chip 340 to RF signals.
1 NFC antenna position of table (being placed in position in mobile phone center) and the relation table for knowing card distance
Table 1
Above-mentioned detection range refers to NFC label to the distance of mobile phone screen；The upper shifting value is the distance for moving up,
The distance definition that NFC antenna module is moved on for the first time is 0, and the distance moved upper each time afterwards is 2cm.
Test shows that, during moving on NFC antenna module, when centre position, NFC antenna module 330 is radiated
The maximum detectable range that can be identified of RF signals it is most short.Obviously NFC antenna module 330 is minimum in radiation efficiency herein, bottom
The radiation efficiency at portion and top is above centre.Therefore NFC antenna module 330 is moved to into LCD 320 in the present embodiment
At least one edge, then can be near the top of metal center or bottom, it is clear that can obtain more preferable radiation efficiency.And compare
Top and the maximum detectable range of bottom, it is found that the maximum detectable range at top is bigger, i.e. the radiation effect of NFC antenna module 330
Rate is bigger at top, and this is that bottom is provided with driving chip 340.Therefore in the present embodiment in order that NFC antenna module
330 radiation efficiency is most talked about, and the NFC antenna module 330 can be arranged on the top of metal center 310, i.e., described LCD faces
The top of plate 320.The embodiment of the present invention also provides a kind of NFC antenna module, and the NFC antenna module can be in previous embodiment
The NFC antenna module provided in NFC antenna module 330, i.e. the present embodiment is can be applicable in aforementioned communication terminal.
As shown in fig. 7, the NFC antenna module that the present embodiment is provided includes NFC antenna coil 331,332 and of the first antifreeze plate
Second antifreeze plate 333；Wherein, the NFC antenna coil 331 is overlayed on first antifreeze plate 332, first antifreeze plate
332 overlay on the second antifreeze plate 333, and second antifreeze plate 332 is than first antifreeze plate 332 near the metal center
310；Reality of the real part of the relative permeability of first antifreeze plate 332 less than the relative permeability of second antifreeze plate 333
Portion；Void of the imaginary part of the relative permeability of second antifreeze plate 332 less than the relative permeability of second antifreeze plate 333
Portion.
In alternating magnetic field, magnetized state often lags temporally behind the change of alternating magnetic field, due to magnetic
Field makes magnetic material produce magnetization, its magnetic inductionCompare magnetic field intensityPhase place to fall behind oneAngle,
Its magnetic induction isThe BmForMould；The HmFor described
Mould.Change angular velocity of the w for alternating magnetic field；The t is the time.Complex permeability isIt is described
u0For the pcrmeability of air.The obvious UrIt is relative permeability, is one plural.U' is the real part and u of relative permeability " be
The coefficient of the imaginary part of relative permeability, is without unit parameter.U' represents the magnetization degree produced under the action of a magnetic field, reacts magnetic
Property storage capacity of the material to electromagnetic wave；U " represents that the moment of magnetic couple of the material under additional the action of a magnetic field resets the loss for causing, instead
The ability for answering material that loss is produced to electromagnetic wave.The u0For the mould of the pcrmeability of air.
The NFC antenna coil is the radiant body and the receiving body of RF signals for radiating the RF signals in the present embodiment.
The NFC antenna coil can be for can be with the flexible PCB of transmission RF signal in the present embodiment.The NFC in the present embodiment
Aerial coil 331 can with using adhesion or grafting by the way of be fixed on first antifreeze plate 332.First antifreeze plate
332 and second antifreeze plate be properly termed as magnetic conduction sheet again, can be used for change magnetic field conduction orientation, reduce magnetic signal penetrate
The antifreeze plate is absorbed by the metal center.Similarly, second antifreeze plate 333 can be attached to first antifreeze plate
332 back side, i.e., described NFC antenna coil 331 and second antifreeze plate 333 are located at the difference of first antifreeze plate 332
Side.
First antifreeze plate 332, for the first magnetic conductance is carried out to the RF signals, reduces RF signals in the present embodiment
To the conduction in 310 direction of metal center；When there is partial RF signal to penetrate first antifreeze plate 332, be transmitted to described second every
During magnetic sheet 333, now the second bigger antifreeze plate 333 of relative permeability can penetrate into the RF signals of the second antifreeze plate 333 and carry out
Second magnetic conductance, changes the radiation direction of RF signals again, reduces conduction of the RF signals to the metal center 310 again, from
And the absorption of reduction metal 310 pairs of RF signals of center, and metal center 310 can be avoided simultaneously to absorb RF signals generation whirlpool
Stream effect, the problem for causing metal center overheated.
The imaginary part of the relative permeability of first antifreeze plate 332 is less than second antifreeze plate 333 in the present embodiment
Relative permeability imaginary part, so as to the first antifreeze plate 332, itself absorbance to RF signals is low, therefore by the first antifreeze plate 332
It is adjacent with the NFC antenna coil 331, can be to reduce the first antifreeze plate 332 and second antifreeze plate, 333 entirety to RF letters
Number absorbtivity.And the RF signals for penetrating into the second antifreeze plate 333 through first antifreeze plate 332 greatly reducing, this
Even if when the second antifreeze plate 333 relative permeability imaginary part it is larger, it is big compared with the first antifreeze plate 332 to the absorption of RF signals, but
It is on the whole or absorption of the antifreeze plate to RF signals can be reduced.
The combination of the first antifreeze plate 332 and second antifreeze plate 333 is adopted in the present embodiment, can form a phase
To the real part of permeability the imaginary part of high and relative permeability it is low every magnet, can be good at reducing metal center 310 and RF believed
Number absorption.
In some cases, due to being made up of two different antifreeze plates of material every magnet, even if single antifreeze plate or whole
The individual thickness very little every magnet, can meet well every magnetic characteristic, such that it is able to realize 330 entirety of NFC antenna module
It is lightening, the lightening of communication terminal entirety can be reduced in being applied to communication terminal.
In the present embodiment, the ferrite antifreeze plate that 332 ferrite of the first antifreeze plate is made；Described second every
The amorphous nano-crystalline antifreeze plate that magnetic sheet 333 is made for amorphous nano-crystalline.
Relevant parameter of the table 2 below for one example of ferrite antifreeze plate；
Table 2
Relevant parameter of the table 3 below for one example of amorphous nano-crystalline antifreeze plate：
Table 3
By the comparison of table 2 and table 3, the real part of the relative permeability of amorphous nano-crystalline is more than the ferritic phase
Real part relative permeability to permeability, the imaginary part of the imaginary part of relative permeability also greater than ferritic relative permeability.Generally
In the case of, the saturation magnetic strength value of the amorphous nano-crystalline is big and magnetic hystersis loss is low.Generally, first antifreeze plate 332
The real part of the relative permeability every magnet constituted with second antifreeze plate 333 is more than 160, even greater than 250, and the phase
Imaginary part generally much smaller than 130 ± 10% to permeability.
Certainly the above is only a kind of citing of the material to two antifreeze plates, when implementing, be not limited to above-mentioned material,
The real part and the imaginary part of relative permeability of the relative permeability for only needing to meet first antifreeze plate and second antifreeze plate
Characteristic relation.
Front schematic view for NFC antenna module as shown in Figure 8, the NFC antenna coil 331, antifreeze plate are all presented
For rectangular-shaped.Fig. 9 show NFC antenna coil 331, every magnet and the side structure schematic diagram of metal center 310.Obviously, every
Magnet has completely cut off NFC antenna coil 331 and metal center 310.Here include aforementioned first antifreeze plate 332 and described every magnet
Second antifreeze plate 333.
Figure 10 show the signal radiation analogous diagram of the NFC antenna module of the present embodiment offer.As shown in Figure 10, it is clear that
The radiation direction of RF signals is changed every magnet so that the signal of the NFC antenna coil of rectangular shape mainly from every magnet just
Face and four side radiations are out.The signal intensity of the thicker RF signals for representing the radiation of NFC antenna module of lines is more in Fig. 10
By force.
It should be understood that " one embodiment " or " embodiment " that description is mentioned in the whole text means relevant with embodiment
Special characteristic, structure or characteristic are included at least one embodiment of the present invention.Therefore, occur in entire disclosure everywhere
" in one embodiment " or " in one embodiment " not necessarily refers to identical embodiment.Additionally, these specific feature, knots
Structure or characteristic can be combined in one or more embodiments in any suitable manner.It should be understood that in the various enforcements of the present invention
In example, the size of the sequence number of above-mentioned each process is not meant to the priority of execution sequence, and the execution sequence of each process should be with its work(
Can determine with internal logic, and any restriction should not be constituted to the implementation process of the embodiment of the present invention.The embodiments of the present invention
Sequence number is for illustration only, does not represent the quality of embodiment.
It should be noted that herein, term " including ", "comprising" or its any other variant are intended to non-row
His property is included, so that a series of process, method, article or device including key elements not only include those key elements, and
And also include other key elements being not expressly set out, or also include for this process, method, article or device institute inherently
Key element.In the absence of more restrictions, the key element for being limited by sentence "including a ...", it is not excluded that including being somebody's turn to do
Also there is other identical element in the process of key element, method, article or device.
In several embodiments provided herein, it should be understood that disclosed apparatus and method, which can be passed through
Its mode is realized.Apparatus embodiments described above are only schematic, and for example, the division of the unit is only
A kind of division of logic function, can have other dividing mode, such as when actually realizing：Multiple units or component can be combined, or
Another system is desirably integrated into, or some features can be ignored, or do not performed.In addition, shown or discussed each composition portion
Coupling point each other or direct-coupling or communication connection can be the INDIRECT COUPLINGs by some interfaces, equipment or unit
Or communication connection, can be electrical, machinery or other forms.
The above-mentioned unit as separating component explanation can be, or may not be it is physically separate, it is aobvious as unit
The part for showing can be, or may not be physical location；Both may be located at one it is local, it is also possible to be distributed to multiple network lists
In unit；Part or all of unit therein can be selected according to the actual needs to realize the purpose of this embodiment scheme.
In addition, each functional unit in various embodiments of the present invention can be fully integrated in a processing unit, also may be used
Being each unit individually as a unit, it is also possible to which two or more units are integrated in a unit；It is above-mentioned
Integrated unit both can be realized in the form of hardware, it would however also be possible to employ hardware adds the form of SFU software functional unit to realize.
One of ordinary skill in the art will appreciate that：Realize that all or part of step of said method embodiment can pass through
Completing, aforesaid program can be stored in computer read/write memory medium the related hardware of programmed instruction, and the program exists
During execution, the step of including said method embodiment is performed；And aforesaid storage medium includes：Movable storage device, read-only deposit
Reservoir (Read Only Memory, ROM), magnetic disc or CD etc. are various can be with the medium of store program codes.
Or, if the above-mentioned integrated unit of the present invention is realized and as independent product using in the form of software function module
When sale or use, it is also possible to be stored in a computer read/write memory medium.Based on such understanding, the present invention is implemented
The part that the technical scheme of example is substantially contributed to prior art in other words can be embodied in the form of software product,
The computer software product is stored in a storage medium, and using including some instructions so that computer equipment (can be with
It is personal computer, server or network equipment etc.) perform all or part of each embodiment methods described of the invention.
And aforesaid storage medium includes：Movable storage device, ROM, magnetic disc or CD etc. are various can be with Jie of store program codes
Matter.
The above, the only specific embodiment of the present invention, but protection scope of the present invention is not limited thereto, any
Those familiar with the art the invention discloses technical scope in, change or replacement can be readily occurred in, should all be contained
Cover within protection scope of the present invention.Therefore, protection scope of the present invention should be defined by the scope of the claims.
Claims (10)
1. a kind of communication terminal, it is characterised in that include：
Metal center,
Liquid crystal display LCD；
Near-field communication NFC antenna module, between the metal center and the LCD, and the NFC antenna module with
At least one side of the LCD is close, and the NFC antenna module deviates the center of the LCD.
2. communication terminal according to claim 1, it is characterised in that
The LCD is rectangular panel；
The central point of the NFC antenna module is not more than A*B with the distance of at least one side of the LCD, wherein, it is described
A is the length of the first side of the LCD；The first side is perpendicular to the second side of the LCD；Wherein,
The second side is the NFC antenna module near the side of the LCD；The B is preset ratio value, and the B is
Positive number less than 0.5.
3. communication terminal according to claim 1, it is characterised in that
Align with the side of the LCD at least one side of the NFC antenna module.
4. the communication terminal according to any one of claims 1 to 3, it is characterised in that
The rectangular shape of the LCD, including two groups of sides, respectively first group side and second group of side；Wherein, described
The length of side of the length of side of one group of side less than second group of side；Two sides in side described in each group are isometric and mutually flat
OK；
The NFC antenna module is rectangular-shaped, including two groups of sides, respectively the 3rd group side and the 4th group of side, wherein, institute
State wherein one article of the 3rd group of side side adjacent with a set of side of first group of side；The 4th group of side Zhong Liangtiao sides
While adjacent with two sides of second group of side.
5. communication terminal according to claim 4, it is characterised in that
The length of side of the 3rd group of side is equal with the length of side of first group of side or difference is in preset range.
6. the communication terminal according to any one of claims 1 to 3, it is characterised in that
The communication terminal also includes：Driving chip；
The driving chip is located between the metal center and the LCD, the first end of the neighbouring LCD；Institute
NFC antenna module is stated adjacent to the second end of the LCD；The first end and the phase that second end is the LCD
Opposite end.
7. the communication terminal according to any one of claims 1 to 3, it is characterised in that
The NFC antenna module includes NFC antenna coil, the first antifreeze plate and the second antifreeze plate；Wherein, the NFC antenna line
Circle is overlayed on first antifreeze plate, and first antifreeze plate is overlayed on the second antifreeze plate,
Second antifreeze plate is than first antifreeze plate near the metal center；
The real part of the relative permeability of first antifreeze plate, less than the real part of the relative permeability of second antifreeze plate；
The imaginary part of the relative permeability of second antifreeze plate, less than the imaginary part of the relative permeability of second antifreeze plate.
8. communication terminal according to claim 7, it is characterised in that
The ferrite antifreeze plate that first antifreeze plate is made for ferrite；
The amorphous nano-crystalline antifreeze plate that second antifreeze plate is made for the amorphous nano-crystalline that ferrite is made.
9. a kind of near-field communication NFC antenna module, it is characterised in that include：
NFC antenna coil, the first antifreeze plate and the second antifreeze plate；Wherein, the NFC antenna coil overlays described first every magnetic
On piece, first antifreeze plate is overlayed on the second antifreeze plate,
Second antifreeze plate is than first antifreeze plate near the metal center；
The real part of the relative permeability of first antifreeze plate, less than the real part of the relative permeability of second antifreeze plate；
The imaginary part of the relative permeability of second antifreeze plate, less than the imaginary part of the relative permeability of second antifreeze plate.
10. communication terminal according to claim 9, it is characterised in that
The ferrite antifreeze plate that first antifreeze plate is made for ferrite；
The amorphous nano-crystalline antifreeze plate that second antifreeze plate is made for the amorphous nano-crystalline that ferrite is made.
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| CN201710113969.3A CN106685489A (en) | 2017-02-28 | 2017-02-28 | Communication terminal and near-field communication antenna module |
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Application publication date: 20170517 |