KR101570373B1 - Mobile terminal - Google Patents

Abstract

The present invention relates to a display device comprising: a window made of a translucent material mounted on a terminal body; A touch sheet disposed on one side of the window and having first and second touch areas; A plurality of connection lines formed on the touch sheet, connected to the first touch area and assembled in at least one position and connected to the terminal body; And a flexible circuit board connected to the second touch area and extending to an assembly position of the connection lines.

Description

[0001] MOBILE TERMINAL [0002]

The present invention relates to a mobile terminal having a touch screen function capable of increasing the output area of a display.

The terminal can move And can be divided into a mobile / portable terminal and a stationary terminal depending on whether the mobile terminal is a mobile terminal or a mobile terminal. The mobile terminal can be divided into a handheld terminal and a vehicle mount terminal according to whether the user can directly carry the mobile terminal.

Such a terminal has various functions, for example, in the form of a multimedia device having multiple functions such as photographing and photographing of a moving picture, reproduction of a music or video file, reception of a game and broadcasting, etc. .

In order to support and enhance the functionality of such terminals, it may be considered to improve the structural and / or software parts of the terminal.

In recent years, in order to realize a simple design of a mobile terminal and to provide a convenient user interface, a touch-related technology such as a touch screen and a touch pad is increasingly applied to a mobile terminal.

The present invention relates to a touch screen type mobile terminal for reducing a region where a touch signal line is formed in a window to increase a region where a display is output.

In order to achieve the above object, a mobile terminal according to an embodiment of the present invention includes: a window of a translucent material mounted on a terminal body; A touch sheet disposed on one side of the window and having first and second touch areas; A plurality of connection lines formed on the touch sheet, connected to the first touch area and assembled in at least one position and connected to the terminal body; And a flexible circuit board connected to the second touch area and extending to the collective position of the connection lines.

The connection lines may include first connection lines extending to the collective position via an edge region of the touch sheet.

The flexible circuit board may be disposed to overlap at least a part of the first connection lines, and the flexible circuit board may include second connection lines connecting the second touch area and the collective position.

The flexible circuit board includes a first circuit board portion having first connecting portions for connection with the connection lines; A second circuit board part extending from the first circuit board part to one side and including second connecting parts for connection with the second touch area; And a line aggregation unit in which lines connected to the first and second connecting units are aggregated.

The first circuit board portion may be disposed along a first edge of the touch sheet, and the second circuit board portion may be disposed along a second edge adjacent to the first edge.

The second circuit board portion may be disposed to overlap at least a part of the connection lines.

The mobile terminal according to at least one embodiment of the present invention configured as described above divides the signal transmission path up to the set position of the touch signals into the touch sheet connection lines and the flexible circuit board, The width of the region can be reduced.

In addition, the present invention can increase the space utilization efficiency by disposing the flexible circuit board over the touch signal line.

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 unit 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 mean information related to a broadcast channel, a broadcast program, or 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.

Broadcast-related information can 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).

The broadcast receiving module 111 may be a digital multimedia broadcasting (DMB-T), a digital multimedia broadcasting (DMB-S), a media forward link only (DVF-H) (ISDB-T), and digital broadcasting systems such as 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 image frames such as still images or moving images obtained by the image sensor in the video communication mode or the photographing mode. The processed image frame can be displayed on the display unit 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, a 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 the visual, auditory or tactile sense and includes a display unit 151, an audio output module 152, an alarm unit 153, and a haptic module 154 .

The display unit 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 unit 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 unit 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 unit 151 of the terminal body.

There may be two or more display units 151 according to the embodiment of the mobile terminal 100. For example, in the mobile terminal 100, a plurality of display portions may be spaced apart from one another or may be disposed integrally with each other, or may be disposed on different surfaces.

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

The touch sensing unit may be configured to convert a change in a pressure applied to a specific portion of the display unit 151 or a capacitance generated in a specific portion of the display unit 151 into an electrical input signal. The touch sensing unit 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 sensing part, 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 unit 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, 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 unit 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. At least two haptic modules 154 may be provided according to the configuration of the mobile 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) (Random Access Memory), a static random access memory (SRAM), a read-only memory (ROM), an electrically erasable programmable read-only memory (EEPROM), a programmable read-only memory (PROM) A magnetic 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.

The interface unit 170 may be a path through which the power from the cradle is supplied to the mobile terminal 100 when the mobile terminal 100 is connected to an external cradle or various command signals input from the cradle by the user, As shown in FIG. The various command signals input from the cradle or the power source 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 control unit 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 a processor, controllers, micro-controllers, microprocessors, and other electronic units for performing other functions. In some cases, The embodiments described may be implemented by the control unit 180 itself.

According to a software implementation, embodiments such as the procedures and functions described herein may be implemented with separate software modules. Each of the software modules may perform one or more of the functions and operations described herein. Software code can be implemented in a software application written in a suitable programming language. The software code is stored in the memory 160 and can be executed by the control unit 180. [

2A is a perspective view of an example of a mobile terminal or a mobile terminal according to the present invention.

The disclosed mobile terminal 100 includes a bar-shaped terminal 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 terminal body includes a case (a casing, a housing, a cover, and the like) which forms an appearance. In this embodiment, the case may be divided into a front case 101 and a rear case 102. [ A variety of electronic components are embedded in the space formed between the front case 101 and the rear case 102. At least one intermediate case may be additionally disposed between the front case 101 and the rear case 102. [

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) or titanium (Ti) or the like.

The display unit 151, the sound output unit 152, the camera 121, the user input units 130/131 and 132, the microphone 122, the interface 170, and the like may be disposed in the front body 101 have.

The display unit 151 occupies most of the main surface of the front case 101. A sound output unit 151 and a camera 121 are disposed in an area adjacent to one end of both ends of the display unit 151 and a user input unit 131 and a microphone 122 are disposed in an area adjacent to the other end. The user input unit 132 and the interface 170 may be disposed on the side surfaces of the front case 101 and the rear case 102. [

The user input unit 130 is operated to receive a command for controlling the operation of the mobile terminal 100 and may include a plurality of operation units 131 and 132. The operation units 131 and 132 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 unit 131 or 132 may be variously set. For example, the first operation unit 131 receives commands such as start, end, scroll, and the like, and the second operation unit 132 controls the size of the sound outputted from the sound output unit 152, 151 to the touch recognition mode, and the like.

2B is a rear perspective view of the mobile terminal shown in FIG. 2A.

Referring to FIG. 2B, a camera 121 'may be further mounted on the rear surface of the terminal body, that is, the rear case 102. The camera 121 'may have a photographing direction substantially opposite to the camera 121 (see FIG. 2A), and may be a camera having different pixels from the camera 121.

For example, the camera 121 may have a low pixel so that the face of the user can be photographed and transmitted to the other party in case of a video call or the like, and the camera 121 ' It is preferable to have a large number of pixels. The cameras 121 and 121 'may be installed in the terminal body so as to be rotatable or pop-upable.

A flash 123 and a mirror 124 are additionally disposed adjacent to the camera 121 '. The flash 123 illuminates the subject when the subject is photographed by the camera 121 '. The mirror 124 allows the user to illuminate the user's own face or the like when the user intends to shoot himself / herself (self-photographing) using the camera 121 '.

An acoustic output 152 'may be additionally disposed on the rear surface of the terminal body. The sound output unit 152 'may implement the stereo function together with the sound output unit 152 (see FIG. 2A), and may be used for the implementation of the speakerphone mode during a call.

In addition to the antenna for talking and the like, a broadcast signal reception antenna 116 may be additionally disposed on the side of the terminal body. The antenna 116, which forms part of the broadcast receiving module 111 (see FIG. 1), can be installed to be able to be drawn out from the terminal body.

A power supply unit 190 for supplying power to the mobile terminal 100 is mounted on the terminal body. The power supply unit 190 may be built in the terminal body or may be detachable from the outside of the terminal body.

FIG. 3 is an exploded perspective view of a mobile terminal according to an embodiment of the present invention, and FIG. 4 is a sectional view of a window according to line IV-IV in FIG.

Referring to FIG. 3, a window mounting portion 103 is formed in the front gate 101. A window 210 of a translucent material may be mounted on the window mounting portion 103 and a window 210 may be formed in a plate shape corresponding to the window mounting portion 103.

A printed circuit board (PCB) 240 is mounted inside the terminal body, and a plurality of electronic components for operating the functions of the mobile terminal are mounted on the PCB 240.

The printed circuit board 240 may include a display module 151, an audio output module 152, a camera 151, and a connector 232 for electrical connection with the window 210. An internal antenna 241 may be mounted on one side of the printed circuit board.

The window 210 may be formed in a region where the time information of the display module 151 is output in a transparent state. The remaining area defining the light transmitting area may be formed to be opaque so as to cover the mounting parts inside.

In the opaque area, an acoustic output hole 152a through which the sound output from the sound output module 152 passes, a camera hole 121a through which the photographing information is passed by the camera 121, and a first operation unit 131 and the like. Here, the first operation unit 131 according to the present embodiment has a form of a touch key for inputting information by a touch operation.

Referring to FIG. 4, a touch sheet 220 is attached to one surface 210 of the window 210 to sense a touch applied to the window 210. According to the present embodiment, the touch sheet 220 is attached to the rear surface of the window 210. The touch sheet 220 may be attached to the window 210 by a transparent adhesive film or adhesive.

The touch sheet 220 is provided with a flexible printed circuit board (230) for electrical connection with the terminal body. The flexible circuit board 230 is formed in a deformable film shape, and circuit patterns are formed on one surface thereof.

The flexible circuit board 230 may be attached to one end of the touch sheet 220 and may be attached to the opposite side of the mounting position of the built-in antenna 241. This is to minimize the influence of an electrical signal generated in the flexible circuit board 230 on the operation of the built-in antenna 241.

Connecting parts 223 and 233 for electrical connection are formed on the touch sheet 220 and the flexible circuit board 230, respectively. The connecting portions 223 and 233 may be formed of a conductive pad and may be formed on the touch sheet 220 and the flexible circuit board 230 by sputtering.

The connecting portions 223 and 233 can be adhered to each other by an adhesive film. Here, the adhesive film may have the form of an anisotropic conductive film (ACF). The anisotropic conductive film (ACF) is a film obtained by dispersing conductive particles in a curable adhesive component, When it is pressed in a state where it is positioned between the connecting portions 223 and 233, current flows through the conductive particles in the Z direction, and current does not flow in the other direction, thereby connecting the circuit between the connecting portions 223 and 233.

In the following description, for the sake of descriptive convenience, the components formed on the touch sheet 220 are referred to as connection pads 223 and the components formed on the flexible circuit board 230 are referred to as connection portions 233 .

A connector 231 for connection with the connector 232 of the printed circuit board 240 is mounted at an end of the flexible circuit board 230.

5A and 5B are a plan view of a touch sheet and a plan view of a flexible circuit board according to an embodiment of the present invention. 6 is a plan view showing a state in which the flexible circuit board is attached to the touch sheet.

Referring to FIG. 5A, the touch sheet 220 is provided with a first touch area I and a second touch area II.

The first touch area I and the second touch area II have a shape corresponding to the output area of the display module 151 and the first operation unit 131. [

In the first touch region I, a plurality of conductive patterns for sensing a touch applied to the transmissive region of the window 210 are formed. The conductive patterns may include an X-axis pattern 251 for sensing a touch position along the X-axis direction in FIG. 5A and a Y-axis pattern (not shown) for sensing a touch position along the Y-axis direction. Here, the X-axis pattern 251 and the Y-axis pattern may be formed so as to form a layer with each other. When a touch is applied to the position of the conductive pattern formed in the first touch region I, the touch position can be sensed by a change in capacitance formed in the conductive pattern.

The conductive patterns of the second touch region II may have the form of a touch key located at a plurality of locations. The conductive pattern of the second touch region II is configured such that the presence or absence of the touch can be sensed as the touch is applied to the first operation unit 131 of the window.

The conductive patterns of the first and second touch regions I and II are formed by sputtering a transparent conductive material such as ITO (indium tin oxide) on the non-conductive touch sheet 220 .

The touch sheet 220 is formed with a plurality of connection lines 252 and 253 connected to the first touch area I. Some connection lines 252 of the connection lines 252 and 253 may be connected to the X-axis pattern 251 and the remaining connection lines 253 may be connected to the Y-axis pattern. The connection lines 252 and 253 may be formed of a conductive material (e.g., silver) and may be deposited on the touch sheet 320 by sputtering.

A first connecting pad 254 for connecting the connection lines 252 and 253 and the flexible circuit board 230 is formed at an end of the touch sheet 220.

Here, the connection lines 252 connected to the X-axis pattern 251 are connected to the first connecting pad 254 via the edge region of the touch sheet 220. [ Here, the connection lines 252 connected to the X-axis pattern 251 may be disposed at both side edges of the touch sheet 220, which will be referred to as first connection lines 252 hereinafter.

The conductive patterns of the second touch region II are also connected by the connection line 254 and the second connecting pad 256 is formed at the end of the connection line 254. Here, the second connecting pad 256 is formed at a position adjacent to the second touch region II.

5B, the flexible circuit board 230 may include a first circuit board portion 261, a second circuit board portion 262, and a line assembly portion 263.

The first circuit board portion 261 is provided with a first connecting portion 264 for connection with the connection lines 252 and 253 connected to the first touch region I. The first connecting portion 264 is attached to the first connecting pad 254 of the touch sheet 220.

The second circuit substrate portion 262 is formed to extend from the first circuit substrate portion 261 to one side. The second circuit board portion 262 is provided with a second connecting portion 266 for connection with the connection lines 255 connected to the second touch region II. The second connecting portion 266 is attached to the second connecting pad 256 of the touch sheet 220. A second connection line 265 extending from the second connecting portion 266 to the line assembly portion 263 is formed in the second circuit board portion 262.

The first and second connecting portions 264 and 266 are formed on the surface facing the touch sheet 220, that is, on the rear surface of the flexible circuit board 230, but are shown by solid lines in FIGS. 5B and 5C for convenience of explanation.

The line assembly 263 is assembled with the lines 266 connected to the first connecting portion 264 and the lines 265 connected to the second connecting portion 266. One side of the line set part 273 is provided with a touch information processing part 270 for processing the touch information sensed by the first and second touch areas I and II. The touch information processing unit 270 receives the touch information from the lines 266 and 265 connected to the first and second connecting units 264 and 266, and processes the touch information.

6 shows a state where the touch sheet 220 and the flexible circuit board 230 are attached to each other.

The first circuit board portion 261 is disposed along the direction in which the first corner 221 of the touch sheet 220, that is, the first connecting pad 254, is arranged.

The second circuit substrate portion 262 is disposed along the second edge 222 adjacent to the first edge 221. When the touch sheet 220 is formed in a rectangular shape, the second circuit board portion 262 may extend in a direction perpendicular to the first circuit board portion 261.

The second circuit board portion 262 is disposed overlapping at least a part of the first connection lines 252. The edge area of the touch sheet 220, i.e., the area where the second circuit board part 262 and the first connection line 252 are located, may be covered by the opaque area of the window 210. [

The connection lines 252 and 253 connected to the first touch region I are collected at the line assembly portion 264 through the first connection portion 264 of the flexible circuit board 230. [ The second circuit board portion 252 of the flexible circuit board 230 extends from the second connecting portion connected to the second touch region II to the line set portion 264. That is, lines connected to the first touch region I and the second touch region II are collected in the line set unit 264.

The touch signal generated in the first touch area I is transmitted to the line set part 264 through the connection lines 252 and 253 formed in the touch sheet 22. The touch signal generated in the second touch area II And is transferred to the line assembly section 264 through the second connection line 262 of the flexible circuit board 230.

By thus differentiating the signal transmission path up to the collective position of the touch signals into the connection lines 252 and 253 of the touch sheet 220 and the second circuit board portion 262 of the flexible circuit board 230, The width W1 of the area where the lines 252 are located can be reduced. Accordingly, the width of the first touch region I corresponding to the display 151 can be increased.

In addition, the efficiency of space utilization can be increased by disposing the flexible circuit board 230 on the inner portion of the opaque region of the window 210 so as to overlap with the first connection lines 252.

The final assembly position of the connection lines 252 and 253 connected to the first touch area I is described in the present embodiment based on the fact that the final assembly position of the connection lines 252 and 253 is located in the flexible circuit board 230 (i.e., the line assembly 263).

However, according to the present invention, the connection lines 252 and 253 connected to the first touch area I are collected at at least one position, and the flexible circuit board 230 connected to the second touch area II is connected to the connection lines The second touch region I and the second touch region I2 may extend to the collective positions of the touch regions 252 and 253, and the touch signal may be diverted from the first and second touch regions I and II. In this case, it is preferable that the flexible circuit board 230 is disposed to overlap with at least a part of the first connection line 252.

7A and 7B are a plan view of a touch sheet and a plan view of a flexible circuit board according to another embodiment of the present invention. 8 is a plan view showing a state in which the flexible circuit board and the touch sheet of FIGS. 7A and 7B are attached. In these drawings, the same reference numerals are assigned to the same components as those of the previous embodiment.

The touch sheet 320 related to the present embodiment also has first and second touch areas I and II. The first touch area I according to the present embodiment occupies a certain area of the area of the display module 151 and the second touch area II occupies the remaining area of the area of the display module 151. [

7A shows that the first touch area I occupies a certain area on the upper part and the second touch area II occupies the remaining area on the lower part. However, the first and second touch areas I and II can be variously implemented within the range of the area of the display module 151. [ For example, it is also possible that the first and second touch regions I and II are alternately arranged.

The touch sheet 320 is formed with connection lines 352 and 353 connected to the first touch area I and a first connection pad 354 connected to the first touch area I. A second connecting pad 356 connected to the second touch area II is formed on the touch sheet 320.

The flexible circuit board 330 includes first and second circuit board portions 361 and 362 and a line assembly portion 363 as in the previous embodiment. A first connecting portion 364 attached to the first connecting pad 354 is formed on the first circuit board portion 361 and a second connecting portion 364 attached to the second connecting pad 356 is formed on the second circuit board portion 362. [ 2 connecting portion 366, and a second connection line 365 are formed.

According to the present embodiment, the first and second touch regions I and II may be formed not only apart from each other but also within the same region. The present embodiment has the same structure as the previous embodiment except for the first and second touch regions I and II, and the detailed description will be omitted from the above description.

9A and 9B are a plan view of a touch sheet and a plan view of a flexible circuit board according to another embodiment of the present invention. 10 is a plan view showing a state in which the flexible circuit board and the touch sheet of FIGS. 9A and 9B are attached. In these drawings, like reference numerals are assigned to the same or similar components as those of the foregoing embodiment.

 According to the present embodiment, the touch sheet 420 may further include a third touch region III in addition to the first and second touch regions I and II.

9A, the first touch area I occupies a certain area of the display module 151 and the second touch area II occupies the remaining area of the display module 151 . The third touch area III may have a shape corresponding to the first operation unit 131. [

The touch sheet 420 is formed with connection lines 452 and 453 connected to the first touch region I and a first connecting pad 454 connected to the connection lines 452 and 453.

The touch sheet 420 further includes a second connecting pad 456 connected to the second touch area II and a third connecting pad 458 connected to the third touch area III through a connection line 457. [ . Here, the second connecting pad 456 has one edge region of the touch sheet 420, and the third connecting pad 458 is formed on the other edge region of the touch sheet 320.

The flexible circuit board 430 may include a third circuit board portion 467 in addition to the first embodiment. That is, the flexible circuit board 430 may include first to third circuit board portions 461, 462, 467 and a line assembly portion 463.

The second and third circuit board portions 462 and 467 are arranged along the edges adjacent to the first edge 421 when the first circuit board portion 461 is disposed along the first edge 432 of the touch sheet 420. [ Can be extended. The second circuit substrate portion 462 is disposed along the second edge 422 adjacent to the first edge 421 and the third circuit substrate portion 467 is disposed along the third edge 421 adjacent to the first edge 421 423).

A first connecting part 464 attached to the first connecting pad 454 is formed on the first circuit board part 461 and a second connecting part 464 attached to the second connecting pad 456 is formed on the second circuit board part 462. 2 connecting portion 466, and a second connecting line 465 are formed.

The third circuit board portion 467 has a third connecting portion 469 attached to the third connecting pad 458 and a third connecting portion 469 connected to the third connecting portion 469, 3 connection lines 467 are formed.

The second and third circuit board portions 462 and 467 are arranged to overlap the first connection lines 452 on both sides of the touch sheet 420 so that the first connection lines 452, Thereby minimizing the width of the area in which the image is located.

The above-described mobile terminal according to the present invention is not limited to the configuration and method of the above-described embodiments, but the embodiments may be modified so that all or some of the embodiments are selectively And may be configured in combination.

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

FIG. 2A is a front perspective view of a portable terminal according to an embodiment of the present invention; FIG.

FIG. 2B is a rear perspective view of a portable terminal according to an embodiment of the present invention; FIG.

3 is an exploded perspective view of a mobile terminal according to an embodiment of the present invention;

4 is a cross-sectional view of a window along the line IV-IV in Fig.

5A and 5B are a top view of a touch sheet and a top view of a flexible circuit board according to an embodiment of the present invention.

6 is a plan view showing a state in which the flexible circuit board and the touch sheet of Figs. 5A and 5B are attached. Fig.

7A and 7B are a top view of a touch sheet and a top view of a flexible circuit board according to another embodiment of the present invention.

8 is a plan view showing a state in which the flexible circuit board and the touch sheet of Figs. 7A and 7B are attached. Fig.

9A and 9B are a top view of a touch sheet and a top view of a flexible circuit board in accordance with another embodiment of the present invention.

10 is a plan view showing a state in which the flexible circuit board and the touch sheet of Figs. 9A and 9B are attached. Fig.

Claims (18)

A window of a translucent material mounted on the terminal body; A touch sheet disposed on one side of the window and having first and second touch regions spaced apart from each other; And first connection lines formed on the touch sheet, one side of which is connected to the first touch area and the other side of which is gathered at at least one position and extends to the collected position via an edge area of the touch sheet A plurality of connection lines; And And a flexible circuit board connected to the second touch area and extending to be connected to the collecting position of the connection lines, The flexible circuit board includes: A first circuit board portion disposed along a first edge of the touch sheet and including first connecting portions for connection with the connection lines; And And second connecting portions extending from one end of the first circuit board portion along a second corner perpendicular to the first corner for connection with the second touch region, And a second circuit board part arranged to be overlapped with the first circuit board part. The method according to claim 1, And a display unit disposed inside the window to implement a touch screen function. 3. The method of claim 2, Wherein the first touch area has a shape corresponding to the display unit, Wherein the second touch area has a form of a touch key located apart from a plurality of locations. 3. The method of claim 2, The first touch area occupies a certain area of the area of the display part, And the second touch area occupies a remaining area of the area of the display unit. delete The method according to claim 1, Wherein the flexible circuit board comprises second connection lines connecting the second touch region and the collective position. The method according to claim 6, Wherein the window is formed with an opaque region for covering the first connection line and the flexible circuit board. The method according to claim 1, And the collective position of the connection lines is formed on the flexible circuit board. The flexible printed circuit board according to claim 8, And a line aggregation unit in which lines connected to the first and second connecting units are aggregated. delete delete 10. The method of claim 9, Wherein the line set unit is provided with a touch information processing unit for processing touch information sensed in the first and second touch areas. 10. The method of claim 9, Wherein the touch sheet is additionally formed with a third touch region different from the first and second touch regions. 14. The flexible printed circuit board according to claim 13, Further comprising a third circuit board portion extending along a third edge adjacent to the first edge and having a third connecting portion for connection with the third touch region. delete delete delete delete

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