KR20140124303A

KR20140124303A - Terminal and control method thereof

Info

Publication number: KR20140124303A
Application number: KR1020130041889A
Authority: KR
Inventors: 조재호
Original assignee: 엘지전자 주식회사
Priority date: 2013-04-16
Filing date: 2013-04-16
Publication date: 2014-10-24

Abstract

The present invention relates to a terminal and a control method thereof and, especially, to a terminal which provides and controls a multi window environment and a method thereof. The terminal in accordance with an embodiment of the present invention includes a first display unit installed on the front surface of the terminal; a second display unit expanded in one direction of the terminal and the first display unit; and a control unit individually controlling the first display unit and the second display unit and controlling the first display unit or the second display unit to be activated according to an operation mode of the terminal.

Description

[0001] TERMINAL AND CONTROL METHOD THEREOF [0002]

The present invention relates to a terminal and a control method thereof, and more particularly, to a terminal and a method for providing and controlling a multi-window environment.

A terminal can be divided into a mobile terminal (mobile / portable terminal) and a stationary terminal according to whether the terminal can be moved. 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. .

Generally, in a terminal, a display module displays information processed in a terminal. For example, when the terminal is in the call mode, a UI (User Interface) or a GUI (Graphic User Interface) associated with the call is displayed. When the terminal is in the video communication mode or the photographing mode, the captured or received video or UI is displayed. At this time, there is a limitation in providing multi-processing and various screens according to the limited display area of the terminal.

Also, in the case of an image or a UI using only a part of the display unit, power consumption and data processing speed may be deteriorated due to use of the entire display area.

An object of the present invention is to provide a terminal and a control method thereof for implementing a multi-window in a terminal.

Another object of the present invention is to provide a terminal and a control method thereof that can provide a user interface according to a multi-window implementation and thereby increase user convenience.

A terminal according to an embodiment of the present invention includes: a first display unit provided on a front surface of a terminal; A second display part extending in one direction of the first display part and the terminal; And a controller for controlling the first display unit and the second display unit respectively and controlling the first display unit or the second display unit to be activated according to the operation mode of the terminal.

Various embodiments of the present invention allow a user to easily control a window even in an environment where there is no external input device such as a keyboard or a mouse.

In addition, the terminal and the control method thereof according to the embodiment of the present invention have the effect of enabling a user to easily recognize and use various information screens and UI in a multi-window environment.

1 is a block diagram of a mobile terminal according to an embodiment of the present invention.
2 is an exemplary view of a mobile terminal to which an embodiment of the present invention is applied.
3 is an exemplary view showing an example of the operation of the display unit according to the embodiment of the present invention.
4 is a flowchart of a video display operation according to an embodiment of the present invention.
5 is a view illustrating a screen according to the video display operation of the present invention.
6 is a flowchart illustrating an operation according to a message transmission / reception mode according to an embodiment of the present invention.
FIG. 7 is a view illustrating a screen in operation according to the message transmission / reception mode of 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), and navigation. However, it will be understood by those skilled in the art that the configuration according to the embodiments described herein may be applied to a fixed terminal such as a digital TV, a desktop computer, and the like, unless the configuration is applicable only to a mobile terminal.

Hereinafter, a structure of a mobile terminal according to an embodiment of the present invention will be described with reference to FIG.

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 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 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 generates an output related to a visual, auditory or tactile sense and includes display units 151 and 152, an audio output module 152, an alarm unit 153, and a haptic module 154 May be included.

The display units 151 and 152 display (output) 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 one another, and may be disposed on different surfaces, respectively.

The display units 151 and 152 of the mobile terminal 100 according to the embodiment of the present invention may be provided on a part of the front and back sides of the mobile terminal.

2 is an exemplary view of a mobile terminal to which an embodiment of the present invention is applied.

2, a mobile terminal 100 according to an embodiment of the present invention includes a first display unit 151 on a front surface thereof, a second display unit 152t, 152b connecting an upper surface and a rear surface of the mobile terminal 100, )).

The first display unit 151 and the second display unit 152 may be connected to each other or may be connected by a member of a flexible material for connection. The second display unit 152 may have a structure that is partially overlapped with the rear surface of the mobile terminal 100. The direction in which the first display unit 151 and the second display unit 152 are connected is described as being connected in the direction of covering the upper portion 152t of the mobile terminal 100 in the embodiment of the present invention. However, the connection direction may be configured in at least one of a lower portion and a left / right portion, and the direction is not limited.

The second display unit 152 according to the embodiment of the present invention may be configured as a flexible display. That is, the second display unit 152 may be a flexible display unit that connects one side and the rear side of the mobile terminal 100 to be connected to the first display unit 151. Therefore, in order to construct the flexible display unit, a display having a flexible structure such as a flexible display can be applied.

The second display unit 152 may include an insertion groove (not shown) for inserting the display unit 152 on the rear surface thereof so as to be inserted into a part of the rear surface of the mobile terminal 100. The second display portion 152 can be drawn in and pulled out in the insertion groove. Or in the direction of the first display unit 151, as shown in FIG.

When the display units 151 and 152 and the sensor for sensing the touch operation (hereinafter referred to as 'touch sensor') have a mutual layer structure (hereinafter referred to as 'touch screen'), the display units 151 and 152 output It can also be used as an input device in addition to the 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 units 151 and 152 or a capacitance generated in a specific portion of the display units 151 and 152 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 units 151 and 152 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 141 refers to a sensor that detects the presence of an object approaching a predetermined detection surface or an object existing in the vicinity of the detection surface without mechanical contact using an electromagnetic force or an infrared ray. The proximity sensor 141 has a longer life than the contact type sensor and its utilization is also high.

Examples of the proximity sensor 141 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 153 can 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 sound output module 153 may include a receiver, a speaker, a buzzer, and the like.

The alarm unit 154 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 154 may output a signal for informing occurrence of an event in a form other than a video signal or an audio signal, for example, vibration. The video signal or the audio signal may be output through the display units 151 and 152 or the audio output module 153 so that they may be classified as a part of the alarm unit 154.

The haptic module 155 generates various tactile effects that the user can feel. A typical example of the haptic effect generated by the haptic module 155 is vibration. The intensity and the pattern of the vibration generated by the tactile module 155 are controllable. For example, different vibrations may be synthesized and output or sequentially output.

In addition to the vibration, the haptic module 155 may be configured to perform various functions such as 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 155 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 sense of the finger or arm. The haptic module 155 may include two or more haptic modules 155 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.

In addition, the controller 180 according to the embodiment of the present invention may include a display controller to control the first display unit 151 and the second display unit 152, respectively. The control unit 180 may control the first display unit 151 or the second display unit 152 to be turned on or off independently according to the activated application or the operation mode of the mobile terminal 100. [

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.

3 is an exemplary view showing an example of the operation of the display unit according to the embodiment of the present invention.

3 illustrates an example of a case in which the second display unit 152 of the mobile terminal 100 is operated or displayed independently of the first display unit 151 It is for illustrative purposes.

3, a first camera (not shown) provided on the mobile terminal 100 and a second camera 121 of the second camera 121 provided on the rear side are used to display a subject And the image of the subject is displayed on the second display unit 152. FIG. Since the second camera 121 provided on the rear side of the first camera (not shown) provided on the front surface of the mobile terminal 100 is excellent in photographing performance, it can be more effective for photographing a subject. When a subject is photographed while facing the second camera 121 such as a photographing, a preview image of the subject can be displayed through the second display unit 152. [

FIG. 3 is a diagram illustrating an example of an image displayed on a screen when the operation mode of the mobile terminal 100 is the audio reproduction mode in the case of FIG. 3 (b).

When the mobile terminal 100 operates in the audio reproduction mode, the audio reproduction information can be displayed on the display unit. At this time, the second display unit 152 may be used to output the audio reproduction information.

3 shows an example of a case where the battery remaining amount of the mobile terminal 100 of the mobile terminal 100 or the status information message of the mobile terminal 100 is displayed on the second display unit 152 in the case of the screen example of FIG. 3 (c) .

FIG. 3 (d) is a display of alarm information set in the mobile terminal 100 according to a user request, and may provide a UI for user input in the alarm output.

FIG. 3 (e) illustrates an example of providing information on a call received when a call is received and a user UI for receiving and refusing the call.

As described above, the display unit of the mobile terminal 100 according to the embodiment of the present invention includes the first display unit 151 provided on the front side of the mobile terminal 100 and the first display unit 151 151 and a second display unit 152 provided on the rear surface of the mobile terminal 100. [ The second display unit 152 may be used to display information on the state or operation of the mobile terminal 100. [

4 to 7, the operation of the mobile terminal 100 to which the embodiment of the present invention is applied will be described in detail.

FIG. 4 is a flowchart illustrating an image display operation according to an embodiment of the present invention, and FIG. 5 is a diagram illustrating an image display operation according to the present invention.

4 to 5, the mobile terminal 100 according to the embodiment of the present invention operates in a moving image playback mode for outputting an image through the display units 151 and 152 when it detects a moving image playback mode execution request signal (S402)

The control unit 180 can check the resolution of the moving image to be reproduced selected by the user according to the moving image reproduction request control signal.

The control unit 180 may determine whether the resolution is a wide resolution after checking the resolution of the moving image to be reproduced. An example of a wide resolution may be 21: 9. The control unit 180 can determine whether the resolution is other than the resolution supported by the first display unit 151. [

If the resolution of the moving image to be reproduced is not a wide resolution but a resolution supported by the first display unit 151 as a result of the determination, the controller 180 applies a predetermined basic resolution to reproduce the moving image through the first display unit 151 Quot; video playback mode "

On the other hand, if the resolution of the moving image to be reproduced is the wide resolution, the controller 180 may output the extension recommendation message of the second display unit 152 from the first display unit 151 at step S408.

The control unit 180 determines whether the second display unit 152 is extended (S410)

If the second display unit 152 is expanded or an extension according to the extension solicitation message is detected, the moving picture to be reproduced is adjusted to a wide resolution and played on the first and second display units 151 and 152 as shown in the screen example of FIG. (S412)

On the other hand, when the controller 180 detects that the second display unit 152 is not extended, the controller 180 may control the first display unit 151 to reproduce the moving image at a preset resolution.

FIG. 6 is a flowchart illustrating an operation according to a message transmission / reception mode according to an embodiment of the present invention, and FIG. 7 is a view illustrating a screen in operation according to the message transmission / reception mode of the present invention.

6 to 7, when the controller 180 of the mobile terminal 100 performs a message check mode for confirming a received message or a received message in step S602, It is possible to determine whether the display unit 152 is expanded (S604)

The control unit 180 may display a list of messages received or received in the second display unit 152 as shown in FIG. 7A. At this time, the message or image for the message displayed or selected on the second display unit 152 may be displayed on the first display unit 151 as shown in FIG. At this time, the control unit 180 determines whether the second display unit 152 is expanded. If the second display unit 152 determines that the second display unit 152 is not expanded, the control unit 180 displays the message list as shown in FIG. 7 (a) The second display unit 152 displays the message text on the first display unit 151. In operation S612,

The control unit 180 can display the message list and the message contents through the first display unit 151 and the second display unit 152 as shown in the example of FIG. 7 (c) by confirming that the second display unit 152 is expanded (S606)

The control unit 180 may select and drag and drop text or images displayed on the first display unit 151 or the second display unit 152 while the first display unit 151 and the second display unit 152 are active, If the same user input is detected (S608), the selected and dragged-and-dropped text or image can be displayed on the display unit (S610)

For example, as shown in FIG. 7 (c), a user input that selects and displays a text including link information among the messages displayed on the second display unit 152 in the direction of the first display unit 151 The first display unit 151 can output information about images or texts included in the link information. Also, when a user message input request signal is detected, a keyboard image can be displayed on the display unit of either the first display unit 151 or the second display unit 152, or a UI capable of inputting text can be displayed. In the embodiment of the present invention, an example has been described in which a text including link information is selected and the corresponding image is displayed on the first display unit 151. However, various types of contents such as moving pictures, text specialists and the like can be separately displayed on the first display unit 151 and the second display unit 152 and displayed independently or organically.

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. [

According to the embodiment of the present invention, the above-described method can be implemented as a code that can be read by a processor on a medium on which the program is recorded. Examples of the medium that can be read by the processor include ROM, RAM, CD-ROM, magnetic tape, floppy disk, optical data storage, etc., and may be implemented in the form of a carrier wave (e.g., transmission over the Internet) .

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

Claims

A first display unit provided on a front surface of the terminal;
A second display part extending in one direction of the first display part and the terminal;
And a control unit controlling the first display unit and the second display unit respectively and controlling the first display unit or the second display unit to be activated according to the operation mode of the terminal
terminal.

The method according to claim 1,
The second display unit
A flexible LCD, which is extended from the first display unit and provided on the rear surface of the terminal,
terminal.

3. The method of claim 2,
And at least one sliding hole is formed on the rear surface of the terminal so that the second display portion is drawn in and out of the slide
terminal.

The method according to claim 1,
The first display portion and the second display portion are connected to the connection member
terminal.

The method according to claim 1,
The control unit
Activates the second display unit to display the message or call reception information on the second display unit when the message or call is received,
The first display unit is controlled to be activated by a user request
terminal.

The method according to claim 1,
The control unit
If the second display unit is expanded in the moving image playback mode, the playback video is adjusted to be displayed at a wide resolution
terminal.

The method according to claim 6,
The control unit
When the moving picture reproduction mode is executed in a state in which the second display unit is not expanded, a second display unit extension solicitation message is output
terminal.

The method according to claim 1,
The control unit
The content displayed on the first display unit or the second display unit is switched by the user signal so that the display unit is displayed
terminal.

9. The method of claim 8,
The user signal for switching the display unit is to change the display position by selecting, dragging and dropping the content to be converted
terminal.