KR101873406B1 - Mobile terminal - Google Patents

Abstract

The present invention relates to a mobile terminal comprising a body to which a window is to be mounted, a display arranged to correspond to the window, and an antenna coil configured to wind along the rim of the window and to transmit or receive a radio signal related to short- Lt; / RTI >

Description

[0001] MOBILE TERMINAL [0002]

The present invention relates to a mobile terminal capable of near field communication.

A mobile terminal is a portable electronic device that is portable and has one or more functions of voice and video call function, information input / output function, and data storing function.

As the functions of the mobile terminal are diversified, the mobile terminal is implemented in the form of a multimedia device having complicated functions such as photographing and photographing of a moving picture, reproduction of a music or video file, and reception of a game and a broadcast.

Various new attempts have been made in terms of hardware or software to implement the complex functions of multimedia devices. For example, a user interface environment is provided for a user to easily and conveniently search for or select a function.

In addition to the above attempts, it may be considered to further improve the functions of the hardware and the like. These improvements include structural changes and improvements for the user to use the mobile terminal more conveniently. One of the above structural changes and improvements can be considered for an antenna device implementing near field wireless communication in a mobile terminal.

It is an object of the present invention to propose an antenna device having a new structure with respect to short-range wireless communication and maintaining a slim design of the mobile terminal, and a mobile terminal having the antenna device.

It is another object of the present invention to provide a mobile terminal capable of short-range wireless communication without interruption even in an external impact.

According to an aspect of the present invention, there is provided a mobile terminal comprising: a window formed of a light transmissive material and partitioned into an opaque edge area and a central area wrapped by the edge area; A display disposed to correspond to the window; and a bezel portion receiving the display and having at least a portion of the edge region seated thereon, and a bezel portion disposed between the edge region and the bezel portion, And an antenna coil configured to transmit or receive a radio signal related to short-range wireless communication.

According to an embodiment of the present invention, a circuit board is disposed inside the body, the circuit board being disposed apart from the bezel and configured to process the radio signal, and a connection unit electrically connecting the antenna coil and the circuit board do.

According to another embodiment of the present invention, the antenna coil has an extension extending from one surface of the bezel toward another surface adjacent to the one surface, and the connection portion is made to contact the extension.

According to another embodiment of the present invention, the extension portion is disposed to cover the rear surface of the bezel portion, extending from the front surface of the bezel portion where the antenna coil is disposed.

According to another embodiment of the present invention, the extension is arranged to face the circuit board.

According to another embodiment of the present invention, the connection portion is configured to elastically press the extension portion.

According to another exemplary embodiment of the present invention, the connection portion may be a Pogo pin having a portion of the metal frame bent and resilient C-Clip or a spring providing elastic force toward the extension portion.

According to another embodiment of the present invention, the mobile terminal includes a circuit board disposed inside the body so as to be spaced apart from the bezel and configured to process the radio signal, and a circuit board having a part of the bezel portion cut to form a space An opening, and a connection portion that is in contact with a portion exposed through the opening of the antenna coil and electrically connects the antenna coil and the circuit board.

According to another embodiment of the present invention, the mobile terminal further includes a cover layer disposed to cover the antenna coil so that the antenna coil can be protected from the external environment.

According to another embodiment of the present invention, the antenna coil is integrally formed with the main body through an insert injection.

According to another embodiment of the present invention, the antenna coil is printed in a specific pattern on the back surface of the bezel or the window.

According to another aspect of the present invention, there is provided a display device including a body to which a window is attached, a display disposed to correspond to the window, a frame that forms a space for accommodating the display, And an antenna coil configured to transmit or receive a radio signal related to short-range wireless communication.

According to an embodiment of the present invention, the mobile terminal includes a first connection part electrically connected to the display, and a second connection part formed on a different layer from the first connection part, electrically connected to the antenna coil so that the radio signal can be processed And a second connection portion provided on the first surface of the first substrate.

According to another embodiment of the present invention, the mobile terminal further comprises a ferrite sheet disposed between the display and the frame and extending along a side of the display, the ferrite sheet being adapted to remove noise from the radio signal.

According to another embodiment of the present invention, the mobile terminal includes a main antenna having a frequency band different from that of the antenna coil and adapted to transmit or receive a radio signal related to long-range wireless communication, And a ferrite wall disposed between the frame and the main antenna to remove noise and form a distance from the antenna coil.

The present invention includes an antenna coil formed to be wound along a rim of a window, thereby realizing close range communication through the front surface of the mobile terminal.

The antenna coil may be integrally formed with the body or frame through insert injection, or may be printed in a specific pattern on the bezel, window or frame. According to the above structure, a space occupied by an antenna for short-range wireless communication can be minimized, and a slim mobile terminal can be provided.

Also, the connection is in elastic contact with the antenna coil or an extension extending therefrom. Accordingly, a more reliable mobile terminal capable of short-range wireless communication without interruption even in the event of an external impact can be provided.

1 is a block diagram of a mobile terminal according to an embodiment of the present invention.
FIG. 2A is a perspective view of an example of a mobile terminal according to the present invention. FIG.
FIG. 2B is a rear perspective view of the mobile terminal shown in FIG. 2A. FIG.
3 is an exploded perspective view of the mobile terminal of FIG.
4 is a cross-sectional view taken along line IV-IV shown in FIG. 2A;
FIG. 5 is a conceptual view showing that the antenna coil of FIG. 4 is electrically connected to a circuit board through a connection;
6 and 7 are sectional views showing modifications of the antenna device shown in Fig.
8 is an exploded perspective view showing another example of a mobile terminal according to the present invention.
9 is a cross-sectional view taken along line IX-IX of Fig. 8;
10 is a sectional view showing a battery cover as another example of a mobile terminal according to the present invention.

Hereinafter, a mobile terminal related to the present invention will be described in detail with reference to the drawings. The suffix "module" and " part "for the components used in the following description are given or mixed in consideration of ease of specification, and do not have their own meaning or role.

The mobile terminal described in this specification may include a mobile phone, a smart phone, a laptop computer, a digital broadcasting terminal, a PDA (Personal Digital Assistants), a PMP (Portable Multimedia Player), navigation and the like.

1 is a block diagram of a mobile terminal according to an embodiment of the present invention.

The mobile terminal 100 includes a wireless communication unit 110, an audio / video input unit 120, a user input unit 130, a sensing unit 140, an output unit 150, a memory 160, A controller 170, a controller 180, a power supply 190, and the like. The components shown in FIG. 1 are not essential, and a mobile terminal having more or fewer components may be implemented.

Hereinafter, the components will be described in order.

The wireless communication unit 110 may include one or more modules for enabling wireless communication between the mobile terminal 100 and the wireless communication system or between the mobile terminal 100 and the network in which the mobile terminal 100 is located. For example, the wireless communication unit 110 may include a broadcast receiving module 111, a mobile communication module 112, a wireless Internet module 113, a short range communication module 114, and a location information module 115 .

The broadcast receiving module 111 receives broadcast signals and / or broadcast-related information from an external broadcast management server through a broadcast channel.

The broadcast channel may include a satellite channel and a terrestrial channel. The broadcast management server may refer to a server for generating and transmitting broadcast signals and / or broadcast related information, or a server for receiving broadcast signals and / or broadcast related information generated by the broadcast management server and transmitting the generated broadcast signals and / or broadcast related information. The broadcast signal may include a TV broadcast signal, a radio broadcast signal, a data broadcast signal, and a broadcast signal in which a data broadcast signal is combined with a TV broadcast signal or a radio broadcast signal.

The broadcast-related information may refer to a broadcast channel, a broadcast program, or information related to a broadcast service provider. The broadcast-related information may also be provided through a mobile communication network. In this case, it may be received by the mobile communication module 112.

The broadcast-related information may exist in various forms. For example, an EPG (Electronic Program Guide) of DMB (Digital Multimedia Broadcasting) or an ESG (Electronic Service Guide) of Digital Video Broadcast-Handheld (DVB-H).

For example, the broadcast receiving module 111 may be a Digital Multimedia Broadcasting-Terrestrial (DMB-T), a Digital Multimedia Broadcasting-Satellite (DMB-S), a Media Forward Link Only And a Digital Broadcasting System (ISDB-T) (Integrated Services Digital Broadcast-Terrestrial). Of course, the broadcast receiving module 111 may be adapted to other broadcasting systems as well as the digital broadcasting system described above.

The broadcast signal and / or broadcast related information received through the broadcast receiving module 111 may be stored in the memory 160.

The mobile communication module 112 transmits and receives radio signals to at least one of a base station, an external terminal, and a server on a mobile communication network. The wireless signal may include various types of data depending on a voice call signal, a video call signal or a text / multimedia message transmission / reception.

The wireless Internet module 113 is a module for wireless Internet access, and may be built in or externally attached to the mobile terminal 100. WLAN (Wi-Fi), Wibro (Wireless broadband), Wimax (World Interoperability for Microwave Access), HSDPA (High Speed Downlink Packet Access) and the like can be used as wireless Internet technologies.

The short-range communication module 114 refers to a module for short-range communication. Bluetooth, Radio Frequency Identification (RFID), infrared data association (IrDA), Ultra Wideband (UWB), ZigBee, and the like can be used as a short range communication technology.

The position information module 115 is a module for obtaining the position of the mobile terminal, and a representative example thereof is a Global Position System (GPS) module.

Referring to FIG. 1, an A / V (Audio / Video) input unit 120 is for inputting an audio signal or a video signal, and may include a camera 121 and a microphone 122. The camera 121 processes an image frame such as a still image or moving image obtained by the image sensor in the video communication mode or the photographing mode. The processed image frame can be displayed on the display module 151. [

The image frame processed by the camera 121 may be stored in the memory 160 or transmitted to the outside through the wireless communication unit 110. [ Two or more cameras 121 may be provided depending on the use environment.

The microphone 122 receives an external sound signal through a microphone in a communication mode, a recording mode, a voice recognition mode, or the like, and processes it as electrical voice data. The processed voice data can be converted into a form that can be transmitted to the mobile communication base station through the mobile communication module 112 when the voice data is in the call mode, and output. Various noise reduction algorithms may be implemented in the microphone 122 to remove noise generated in receiving an external sound signal.

The user input unit 130 generates input data for a user to control the operation of the terminal. The user input unit 130 may include a key pad dome switch, a touch pad (static / static), a jog wheel, a jog switch, and the like.

The sensing unit 140 senses the current state of the mobile terminal 100 such as the open / close state of the mobile terminal 100, the position of the mobile terminal 100, the presence or absence of user contact, the orientation of the mobile terminal, And generates a sensing signal for controlling the operation of the mobile terminal 100. For example, when the mobile terminal 100 is in the form of a slide phone, it is possible to sense whether the slide phone is opened or closed. It is also possible to sense whether the power supply unit 190 is powered on, whether the interface unit 170 is connected to an external device, and the like. Meanwhile, the sensing unit 140 may include a proximity sensor 141.

The output unit 150 is for generating output related to visual, auditory or tactile sense and includes a display module 151, an acoustic output module 152, an alarm unit 153, and a haptic module 154 .

The display module 151 displays (outputs) information processed by the mobile terminal 100. For example, when the mobile terminal is in the call mode, a UI (User Interface) or a GUI (Graphic User Interface) associated with a call is displayed. When the mobile terminal 100 is in the video communication mode or the photographing mode, the photographed and / or received video or UI and GUI are displayed.

The display module 151 may be a liquid crystal display (LCD), a thin film transistor-liquid crystal display (TFT LCD), an organic light-emitting diode (OLED), a flexible display display, and a 3D display.

Some of these displays may be transparent or light transmissive so that they can be seen through. This can be referred to as a transparent display, and a typical example of the transparent display is TOLED (Transparent OLED) and the like. The rear structure of the display module 151 may also be of a light transmission type. With this structure, the user can see an object located behind the terminal body through the area occupied by the display module 151 of the terminal body.

There may be two or more display modules 151 according to the embodiment of the mobile terminal 100. For example, in the mobile terminal 100, a plurality of display modules may be spaced apart or integrally arranged on one surface, and may be disposed on different surfaces, respectively.

(Hereinafter, referred to as a 'touch screen') in which the display module 151 and the sensor for sensing the touch operation (hereinafter, referred to as 'touch sensor') have a mutual layer structure, It can also be used as an input device. The touch sensor may have the form of, for example, a touch film, a touch sheet, a touch pad, or the like.

The touch sensor may be configured to convert a change in a pressure applied to a specific portion of the display module 151 or a capacitance generated in a specific portion of the display module 151 into an electrical input signal. The touch sensor can be configured to detect not only the position and area to be touched but also the pressure at the time of touch.

If there is a touch input to the touch sensor, the corresponding signal (s) is sent to the touch controller. The touch controller processes the signal (s) and transmits the corresponding data to the controller 180. Thus, the control unit 180 can know which area of the display module 151 is touched or the like.

Referring to FIG. 1, a proximity sensor 141 may be disposed in an inner region of the mobile terminal or in the vicinity of the touch screen, which is surrounded by the touch screen. The proximity sensor refers to a sensor that detects the presence or absence of an object approaching a predetermined detection surface or a nearby object without mechanical contact using the force of an electromagnetic field or infrared rays. The proximity sensor has a longer life span than the contact sensor and its utilization is also high.

Examples of the proximity sensor include a transmission type photoelectric sensor, a direct reflection type photoelectric sensor, a mirror reflection type photoelectric sensor, a high frequency oscillation type proximity sensor, a capacitive proximity sensor, a magnetic proximity sensor, and an infrared proximity sensor. And to detect the proximity of the pointer by the change of the electric field along the proximity of the pointer when the touch screen is electrostatic. In this case, the touch screen (touch sensor) may be classified as a proximity sensor.

Hereinafter, for convenience of explanation, the act of recognizing that the pointer is positioned on the touch screen while the pointer is not in contact with the touch screen is referred to as "proximity touch & The act of actually touching the pointer on the screen is called "contact touch. &Quot; The position where the pointer is proximately touched on the touch screen means a position where the pointer is vertically corresponding to the touch screen when the pointer is touched.

The proximity sensor detects a proximity touch and a proximity touch pattern (e.g., a proximity touch distance, a proximity touch direction, a proximity touch speed, a proximity touch time, a proximity touch position, a proximity touch movement state, and the like). Information corresponding to the detected proximity touch operation and the proximity touch pattern may be output on the touch screen.

The audio output module 152 may output audio data received from the wireless communication unit 110 or stored in the memory 160 in a call signal reception mode, a call mode or a recording mode, a voice recognition mode, a broadcast reception mode, The sound output module 152 also outputs sound signals related to functions (e.g., call signal reception sound, message reception sound, etc.) performed in the mobile terminal 100. [ The audio output module 152 may include a receiver, a speaker, a buzzer, and the like.

The alarm unit 153 outputs a signal for notifying the occurrence of an event of the mobile terminal 100. Examples of events that occur in the mobile terminal include call signal reception, message reception, key signal input, touch input, and the like. The alarm unit 153 may output a signal for notifying the occurrence of an event in a form other than the video signal or the audio signal, for example, vibration. The video signal or the audio signal may be output through the display module 151 or the audio output module 152 so that they may be classified as a part of the alarm unit 153. [

The haptic module 154 generates various tactile effects that the user can feel. A typical example of the haptic effect generated by the haptic module 154 is vibration. The intensity and pattern of the vibration generated by the hit module 154 can be controlled. For example, different vibrations may be synthesized and output or sequentially output.

In addition to the vibration, the haptic module 154 may include a pin arrangement vertically moving with respect to the contact skin surface, a spraying force or a suction force of the air through the injection port or the suction port, a touch on the skin surface, contact with an electrode, And various tactile effects such as an effect of reproducing a cold sensation using an endothermic or exothermic element can be generated.

The haptic module 154 can be implemented not only to transmit the tactile effect through the direct contact but also to allow the user to feel the tactile effect through the muscular sensation of the finger or arm. The haptic module 154 may include two or more haptic modules 154 according to the configuration of the portable terminal 100.

The memory 160 may store a program for the operation of the controller 180 and temporarily store input / output data (e.g., a phone book, a message, a still image, a moving picture, etc.). The memory 160 may store data on vibration and sound of various patterns outputted when a touch is input on the touch screen.

The memory 160 may be a flash memory type, a hard disk type, a multimedia card micro type, a card type memory (for example, SD or XD memory), a RAM (Random Access Memory), SRAM (Static Random Access Memory), ROM (Read Only Memory), EEPROM (Electrically Erasable Programmable Read-Only Memory), PROM A disk, and / or an optical disk. The mobile terminal 100 may operate in association with a web storage that performs a storage function of the memory 160 on the Internet.

The interface unit 170 serves as a path for communication with all external devices connected to the mobile terminal 100. The interface unit 170 receives data from an external device or supplies power to each component in the mobile terminal 100 or transmits data to the external device. For example, a wired / wireless headset port, an external charger port, a wired / wireless data port, a memory card port, a port for connecting a device having an identification module, an audio I / O port, A video input / output (I / O) port, an earphone port, and the like may be included in the interface unit 170.

The identification module is a chip for storing various information for authenticating the use right of the mobile terminal 100 and includes a user identification module (UIM), a subscriber identity module (SIM), a general user authentication module A Universal Subscriber Identity Module (USIM), and the like. Devices with identification modules (hereinafter referred to as "identification devices") can be manufactured in a smart card format. Accordingly, the identification device can be connected to the terminal 100 through the port.

When the mobile terminal 100 is connected to an external cradle, the interface unit may be a path through which power from the cradle is supplied to the mobile terminal 100, or various command signals input by the user to the cradle may be transmitted It can be a passage to be transmitted to the terminal. The various command signals or the power source input from the cradle may be operated as a signal for recognizing that the mobile terminal is correctly mounted on the cradle.

The controller 180 typically controls the overall operation of the mobile terminal. For example, voice communication, data communication, video communication, and the like. The control unit 180 may include a multimedia module 181 for multimedia playback. The multimedia module 181 may be implemented in the control unit 180 or may be implemented separately from the control unit 180. [

The controller 180 may perform a pattern recognition process for recognizing handwriting input or drawing input performed on the touch screen as characters and images, respectively.

The power supply unit 190 receives external power and internal power under the control of the controller 180 and supplies power necessary for operation of the respective components.

The various embodiments described herein may be embodied in a recording medium readable by a computer or similar device using, for example, software, hardware, or a combination thereof.

According to a hardware implementation, the embodiments described herein may be implemented as application specific integrated circuits (ASICs), digital signal processors (DSPs), digital signal processing devices (DSPDs), programmable logic devices (PLDs), field programmable gate arrays May be implemented using at least one of processors, controllers, micro-controllers, microprocessors, and other electronic units for performing other functions. In some cases, May be implemented by the control unit 180.

According to a software implementation, embodiments such as procedures or functions may be implemented with separate software modules that perform at least one function or operation. The software code may be implemented by a software application written in a suitable programming language. The software codes are stored in the memory 160 and can be executed by the control unit 180. [

2A is a perspective view of a mobile terminal according to an embodiment of the present invention, and FIG. 2B is a rear perspective view of the mobile terminal shown in FIG. 2A.

The disclosed mobile terminal 200 has a bar-shaped mobile phone body. However, the present invention is not limited thereto, and can be applied to various structures such as a slide type, a folder type, a swing type, and a swivel type in which two or more bodies are relatively movably coupled.

The body includes a case (a casing, a housing, a cover, and the like) which forms an appearance. In this embodiment, the body may be composed of the front case 201, the rear case 202 and the battery cover 203. [ Various electronic components are embedded in the space formed between the front case 201 and the rear case 202. At least one intermediate case may be additionally disposed between the front case 201 and the rear case 202. [

The cases may be formed by injection molding a synthetic resin or may be formed to have a metal material such as stainless steel (STS), aluminum (Al), titanium (Ti) or the like.

A display module 251, an audio output unit 252, a camera 221, user input units 230/231 and 232, a microphone 222, and an interface 270 may be disposed in the front body 201 have.

The display module 251 occupies most of the main surface of the front case 201. A sound output unit 252 and a camera 221 are disposed in an area adjacent to one end of both ends of the display module 251 and a user input unit 231 and a microphone 222 are disposed in an area adjacent to the other end. The user input unit 232 and the interface 270 may be disposed on the side surfaces of the front case 201 and the rear case 202.

The user input unit 230 is operated to receive a command for controlling the operation of the portable terminal 200 and may include a plurality of operation units 231 and 232. The operation units 231 and 232 may be collectively referred to as a manipulating portion and may be employed in any manner as long as the user operates in a tactile manner.

The contents inputted by the first or second operation units 231 and 232 can be variously set. For example, the first operation unit 231 receives commands such as start, end, scroll, and the like, and the second operation unit 232 controls the size of the sound output from the sound output unit 252, To the touch recognition mode of the touch screen. The display module 251 forms a touch screen together with the touch sensor, and the touch screen may be an example of the user input unit 230. [

Referring to FIG. 2B, a camera 221 'may be further mounted on the rear surface of the terminal body, that is, the rear case 202. The camera 221 'may have a photographing direction substantially opposite to the camera 221 (see FIG. 2A), and may be a camera having different pixels from the camera 221.

For example, the camera 221 has a low pixel so that it is easy to capture a face of a user in the case of a video call or the like and transmits the face to the other party, and the camera 221 ' It is preferable to have a large number of pixels. The cameras 221 and 221 'may be installed in the terminal body such that they can be rotated or pop-up.

A flash 223 and a mirror 224 are additionally disposed adjacent to the camera 221 '. The flash 223 illuminates the subject when the subject is photographed by the camera 221 '. The mirror 224 allows the user to illuminate the user's own face or the like in the case where the user intends to photograph (self-photograph) himself / herself using the camera 221 '.

An acoustic output may be additionally disposed on the rear surface of the terminal body. The rear audio output unit may implement a stereo function together with the front audio output unit 252 (see FIG. 2A), and may be used for implementing a speakerphone mode during a call.

A power supply unit 290 for supplying power to the portable terminal 200 is mounted on the terminal body. The power supply unit 290 may be built in the terminal body or may be detachable from the outside of the terminal body.

The rear case 202 may further include a touch sensor for sensing a touch. Like the display module 251, the touch sensor can also be configured as a light transmission type. In this case, if the display module 251 is configured to output time information on both sides, the time information can be recognized through the touch sensor. The information output on both sides may be controlled by the touch sensor. Alternatively, the touch sensor may be further equipped with a display, and the touch screen may be disposed in the rear case 202 as well.

The touch sensor operates in correlation with the display module 251 of the front case 201. The touch sensor may be disposed parallel to the rear of the display module 251. Such a touch sensor may have a size equal to or smaller than that of the display module 251.

An antenna for a call or the like may be mounted on the terminal body, and an antenna for receiving a broadcast signal may be additionally disposed.

In addition, an antenna device implementing near field communication (near field communication) may be disposed in the terminal body. Hereinafter, the antenna device for short-range wireless communication will be described in more detail with reference to FIG. 3 to FIG.

4 is an exploded perspective view of the mobile terminal 200 of FIG. 2A, FIG. 4 is a cross-sectional view taken along line IV-IV of FIG. 2A, Which is electrically connected to the circuit board 280 through the through-hole.

Referring to FIG. 3, the front case 201 is formed with a bezel portion 201a on which a window 251b is seated. Unlike the present embodiment, the bezel portion 201a may be provided separately from the front case 201.

A window 251b is coupled to one surface of the front case 201. The window 251b is made of a material through which light can be transmitted, for example, a light transmitting synthetic resin, a tempered glass, or the like.

The window 251b may include a portion that can not transmit light. A portion where the light can not be transmitted can be realized by covering the window 251b separately with a pattern film (not shown). The pattern film can be made so that the center is transparent and the edges are opaque. The window 251b is divided into an edge region S to be opaque and a central region C to be surrounded by the edge region S. [

A display (or display device) 251a may be mounted on the rear surface of the window 251b. The display 251a is arranged to correspond to the window 251b, and displays time information through the central area C to the outside.

The portion through which the light of the window 251b is transmitted may have an area corresponding to the display 251a. Accordingly, the user can recognize the time information output from the display 251a from the outside. Thus, the window 251b and the display 251a may be configured as a display module 251 (see Fig. 2a).

The circuit board 280 may be mounted on the rear case 202. Alternatively, the circuit board 281 may be mounted on the front case 201 or mounted on a separate internal structure. The circuit board 280 may be configured as an example of a controller 180 (see FIG. 1) for operating various functions of the mobile terminal.

A touch sensor 251c may be mounted on the window 251b to sense a touch input. The touch sensor 251c is disposed to correspond to the window 251b and is configured to sense a touch point with respect to the window 251b.

The touch sensor 251c is made of light transmissive and can be configured to convert a change in pressure, voltage, capacitance, and the like occurring in a specific portion of the window 251b into an electrical input signal. As an example of the touch sensor 251c, the touch sensor 251c may be a capacitive sensor.

An antenna coil 214 for performing short-range wireless communication is built in the terminal. The circuit board 280 is electrically connected to the antenna coil 214 and processes radio signals transmitted and received by the antenna coil 214.

Referring to FIG. 4 with reference to FIG. 3, the bezel portion 201a is configured such that at least a part of the edge region S is seated. The antenna coil 214 is disposed between the edge region S and the bezel portion 201a and extends along the edge region S to form a loop.

The antenna coil 214 is formed to be wound along the edge region S of the window 251b to transmit or receive a radio signal related to short-range wireless communication. More specifically, the antenna coil 214 is formed on the rear surface of the window 251b in the edge region S of the window 251b, and receives the magnetic flux change occurring in the periphery of the front surface of the terminal. The antenna coil 214 may be patterned on the rear side of the window 251b by plating, vapor deposition, fine wire bonding or the like.

However, the present invention is not limited thereto, and the antenna coil 214 may be formed to wind the side surface of the window 251b.

The antenna coil 214 forms an antenna of an RFID (Radio Frequency Identification) tag as a part of an electromagnetic induction communication system for reading information by exchanging magnetic flux with an antenna on the reader side. However, the present invention is not limited thereto, and the antenna coil 211 may be configured to transmit and receive radio signals to and from other terminals.

The antenna coil 214 may be passive, semi-passive, or active depending on the power using the RFID. In the case of passive RFID, the terminal uses the magnetic flux change at the reader side as energy, and reads and communicates information of the integrated circuit. In a semi-passive RFID, the power of the terminal is used to read the information of the integrated circuit, and the power of the reader is used to communicate. Finally, in active RFID, the power of the terminal is used to both read the information of the integrated circuit and communicate the information.

The cover layer 217 may be disposed on one surface of the window 251b on which the antenna coil 214 is patterned to cover the antenna coil 211. [ The cover layer 217 prevents foreign matter from entering the antenna coil 214 or from contacting the antenna coil 214 with air. The cover layer 217 may be deposited along the edge region of the backside of the window 251b and may be made opaque to define the edge region S and the central region C without a separate pattern film, have.

According to the example, a magnetic flux change occurring when the antenna coil 214 is adjacent to the reader due to the conductor embedded in the terminal may be interfered. Such a conductor may be, for example, a display 251a, a touch sensor 251c, a battery, a speaker, a camera, a vibration motor, or the like.

The ferrite sheet 216 limits interference with the flux change caused by the conductor. The ferrite sheet 216 is disposed adjacent to the display 251a to remove noise from the transmitted and received radio signals and to create a separation distance from the antenna coil 214. [

The ferrite sheet 216 is disposed between the window 251b and the display 251a so as to form a buffer and the ferrite sheet 216 is disposed between the window 251b and the display 251a so that the time information of the display 251a is displayed on the display 251a Extends along the edge to form a loop. The ferrite sheet 216 may be applied to the case where the touch sensor 251c is omitted.

The ferrite sheet 216 is formed in an annular shape and is disposed on the back surface of the bezel portion 201a as a buffer damper made of a magnetic material to separate the window 251b and the display 251a from each other. The ferrite sheet 216 may be formed in a thin sheet shape in the form of a plurality of metallic compounds having a magnetic body, and may be formed to a thickness of about 0.1 to 0.2 millimeter.

Referring to FIG. 5, the circuit board 280 is disposed inside the terminal so as to be spaced apart from the bezel portion 201a. The circuit board 280 may be configured as an example of a control unit 180 (see FIG. 1) that controls the overall operation of the mobile terminal 200. For example, circuit board 280 is configured to process wireless signals associated with short-range wireless communications.

Between the antenna coil 214 and the circuit board 280, a connection unit 220 for electrically connecting the antenna coil 214 and the circuit board 280 is provided. The connection unit 220 is electrically connected to the antenna coil 214 and the integrated circuit of the tag disposed on the circuit board 280 described above.

The connection unit 220 may be a flexible circuit board (not shown) extending from the antenna coil 214 and electrically connected to the circuit board 280. For example, the flexible circuit board has a plurality of layers, and each of the layers is electrically connected to the touch sensor 251c and the antenna coil 214, respectively, so that a touch sensing signal and a wireless signal To the circuit board 280, respectively.

According to such a laminated structure, the antenna coil 214 and the touch sensor 251c, which are disposed at different positions, can be implemented by a single flexible circuit board, so that a slim movement The terminal 200 can be implemented.

The connection portion 220 may be configured to elastically press the antenna coil 214. The connection portion 220 may be composed of, for example, a Pogo Pin having a spring that provides an elastic force toward the C-Clip or the antenna coil 214 with a portion of the metal frame bent and resilient.

In FIG. 5, the connecting part 220 formed of Pogo pins electrically connects the circuit board 280 and the antenna coil 214 by elastically pressing the antenna coil 214. Part of the bezel 201a is cut to form an opening 201b and the antenna coil 214 disposed on the rear surface of the window 251b is exposed through the opening 201b to be electrically connected to the printed circuit board 280 ). The connection part 220 mounted on the circuit board 280 protrudes through the opening part 201b and is in contact with the antenna coil 214. [

6 and 7 are cross-sectional views showing modifications of the antenna device shown in FIG. In other embodiments of the present invention described below, the same or similar reference numerals are given to the same or similar components as those of the previous embodiment, and the description will be replaced with the first explanation.

Referring to FIG. 6, the antenna coil 314 has an extension 314a extending from one surface of the bezel 301a toward the other surface adjacent to the one surface. Specifically, the antenna coil 314 is disposed on the front surface of the bezel portion 301a, that is, the surface facing the edge region S, and the extending portion 314a extends to the back surface of the bezel portion 301 through the side surface . The antenna coil 314 and the extending portion 314a extending therefrom can be patterned in the bezel portion 301a by plating, vapor deposition, fine wire bonding or the like.

The extension portion 314a extends to the back surface of the bezel portion 301a, thereby being arranged to face the circuit board 380. [ The connection portion 320 is brought into contact with the extension portion 314a to electrically connect the antenna coil 314 and the circuit board 380 and is configured to elastically press the extension portion 314a, .

7, the antenna coil 414 may be integrally formed with the bezel 401a by insert injection. A portion of the antenna coil 414 forming a loop along the edge region S of the window 451b serves as a short range wireless communication function and a portion extending from the portion serves as an extension portion 414a for connection with the connection portion 420 ).

The connection part 420 may be a C-Clip formed so that a part of the metal frame is bent to have elasticity. One end of the C-Clip is fixed to the circuit board 280, and the other end is formed so as to maintain elastic contact by elastically pressing the extension 414a.

According to the above structure, the connection portions 320 and 420 are in elastic contact with the antenna coils 314 and 414 or the extending portions 314a and 414a extending therefrom. Accordingly, more reliable mobile terminals 300 and 400 capable of short-range wireless communication can be provided without interruption even in an external impact.

FIG. 8 is an exploded perspective view showing another example of the mobile terminal 500 according to the present invention, and FIG. 9 is a sectional view taken along line IX-IX of FIG. In other embodiments of the present invention described below, the same or similar reference numerals are given to the same or similar components as those of the previous embodiment, and the description will be replaced with the first explanation.

Referring to FIGS. 8 and 9, a frame 552 accommodating a display 551a is disposed inside the terminal.

The frame 552 is formed to cover the rear surface of the display 551a and protrudes from the edge to protect the side surface of the display 551a. At the bottom of the frame 552, a backlight of the display 551a may be disposed.

According to the illustration, the antenna coil 514 is formed to be wound around the outer circumferential surface of the frame 522. The antenna coil 514 may be formed in a wire form and fixed by being wound around the frame 522 or may be printed on the frame 522 in a specific pattern through plating, deposition, or the like. Alternatively, the antenna coil 514 may be formed integrally with the frame 522 through insert injection, as described above.

The antenna coil 514 may be electrically connected to the circuit board 580 through a flexible circuit board (not shown). Specifically, the flexible circuit board may include first and second connection portions formed on different layers. The first connection portion is electrically connected to the display 551a. The second connection portion is electrically connected to the antenna coil 514 so that a radio signal related to the short-range wireless communication can be processed.

The ferrite sheet 530 may be disposed between the display 551a and the frame 552 and extend along the side of the display 551a. The ferrite sheet 530 is disposed opposite the antenna coil 514 to limit interference with magnetic flux changes caused by the display 551a. According to the above structure, the distribution of the magnetic field is strong and uniformly regenerated, and according to the experiment, the communication distance to the reader is further increased.

A main antenna 512 is arranged in the inner space of the terminal to transmit and receive radio signals related to long-range wireless communication with a frequency band different from that of the antenna coil 514. As shown, the main antenna 512 may be disposed at one longitudinal end of the terminal and is electrically connected to the circuit board 580 to process the radio signal.

The ferrite wall 540 may be disposed between the frame 552 and the main antenna 512 so that the main antenna 512 forms a separation distance from the antenna coil 514. [ The ferrite wall 540 removes noise from the radio signal transmitted and received through the antenna coil 514 by restricting interference with the magnetic flux change caused by the main antenna 512. [

10 is a sectional view showing a battery cover as another example of a mobile terminal according to the present invention.

Referring to FIG. 10, an antenna coil 614 may be disposed on one side of the battery cover 603, for example, an inner surface facing the battery. The antenna coil 614 is configured to form a loop to transmit or receive a radio signal related to short-range wireless communication and to implement near-field communication through the back side of the mobile terminal. The antenna coil 614 may be printed in a specific pattern through plating, vapor deposition or the like instead of fine wire bonding.

On the upper surface of the antenna coil 614, a cover layer 617 covering the antenna coil 614 is disposed. The cover layer 617 prevents foreign matter from entering the antenna coil 614 or from contacting the antenna coil 614 with air. The cover layer 617 may be a film layer or coating layer having the same hue as the battery cover, for example, so that the antenna coil 614 is not visually exposed.

According to the above structure, since the antenna coil 614 is printed on the battery cover 603 in a specific pattern, the thickness of the fine wire can be minimized, thereby providing a slimmer mobile terminal.

The mobile terminal described above can be applied not only to the configuration and method of the embodiments described above but also to the embodiments described above so that all or some of the embodiments may be selectively combined have.

Claims (15)

A window formed of a light transmissive material and defined by an opaque edge region and a central region wrapped by the edge region;
A display disposed to correspond to the window;
A body receiving the display and having a bezel portion at least a portion of which is seated;
An antenna coil disposed between the edge region and the bezel portion and extending along the edge to form a loop, the antenna coil configured to transmit or receive a radio signal related to short-range wireless communication; And
And a ferrite sheet disposed between the display and the bezel to form a loop along an edge of the display to correspond to the antenna coil and to remove noise from the radio signal. The method according to claim 1,
Inside the body,
A circuit board spaced apart from the bezel portion and configured to process the radio signal; And
And a connection unit electrically connecting the antenna coil and the circuit board. 3. The method of claim 2,
Wherein the antenna coil has an extension extending from one surface of the bezel toward another surface adjacent to the one surface,
Wherein the connection portion is in contact with the extended portion. The method of claim 3,
Wherein the extension portion is disposed to cover a rear surface of the bezel portion and extend from a front surface of the bezel portion where the antenna coil is disposed. The method of claim 3,
And the extending portion is disposed to face the circuit board. The method of claim 3,
Wherein the connecting portion is configured to elastically press the extended portion. The method according to claim 6,
Wherein the connection portion is a Pogo Pin having a C-Clip having a part of the metal frame bent and having elasticity or a spring providing an elastic force toward the extension portion. The method according to claim 1,
A circuit board disposed within the body and spaced apart from the bezel, the circuit board being configured to process the radio signal;
An opening through which a part of the bezel is cut to form a space; And
Further comprising a connection portion that is in contact with a portion exposed through the opening portion of the antenna coil and electrically connects the antenna coil and the circuit board. delete delete delete A main body to which the window is mounted;
A display disposed to correspond to the window;
A frame defining a space to receive the display; And
An antenna coil formed to wind along an outer circumferential surface of the frame and configured to transmit or receive a radio signal related to short-range wireless communication; And
And a ferrite sheet disposed between the display and the frame and extending along a side of the display to correspond to the antenna coil, the ferrite sheet configured to remove noise from the radio signal. 13. The method of claim 12,
A first connection portion electrically connected to the display; And
And a second connection part formed on a layer different from the first connection part and electrically connected to the antenna coil so that the radio signal can be processed. delete delete

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