KR20140036618A - Method for operating a mobile terminal - Google Patents

Abstract

The mobile terminal operation method according to an embodiment of the present invention includes the steps of: displaying a first image on a display unit; receiving a touch input drawing a circle in a first orientation; downsizing the first image and displaying the downsized image on a first area of the display unit; and displaying the screen of the most recently used application on a second area of the display unit. Accordingly, the mobile terminal operation method can easily divide the screen, return to the previous screen, or display recently used screens, thereby enhancing the user convenience regarding the operation of the terminal. [Reference numerals] (110) Wireless communication unit; (111) Broadcast receiving module; (113) Mobile communication module; (115) Wireless internet module; (117) Local area communication module; (119) GPS module; (120) A/V input unit; (121) Camera; (123) Microphone; (130) User input unit; (140) Sensing unit; (141) Proximity sensor; (143) Pressure sensor; (145) Motion sensor; (150) Output unit; (151) Display unit; (153) Sound output module; (155) Alarming unit; (157) Haptic module; (160) Memory; (170) Interface unit; (180) Control unit; (181) Multimedia playing module; (190) Power supply unit

Description

Method for operating a mobile terminal

The present invention relates to a portable terminal and a method of operating the same, and more particularly, to a portable terminal capable of efficiently controlling a screen by a simple operation and a method of operating the same.

A portable terminal is a portable device having one or more functions capable of carrying out voice and video communication, capable of inputting and outputting information, and storing data, while being portable. As the functions of the portable terminal have diversified, they have complicated functions such as photographing and photographing of a movie, playback of a music file or a video file, reception of a game, reception of broadcasting, wireless Internet, etc., and a comprehensive multimedia device .

In the mobile terminal implemented in the form of such a multimedia device, new attempts have been applied in various ways in terms of hardware and software to implement complex functions. For example, a user interface environment for a user to search for or select a function easily and conveniently.

Accordingly, an object of the present invention is to provide a portable terminal and an operation method thereof with improved operation convenience.

It is also an object of the present invention to provide a mobile terminal and a method of operating the same, which can conveniently divide a screen or return to a previous screen with only one operation.

A method of operating a mobile terminal according to an exemplary embodiment of the present invention includes displaying a first image on a display unit, receiving a touch input drawing a circle in a first direction, and displaying a first image on a first area of the display unit. And displaying the screen of an application most recently used in the second area of the display unit.

According to the present invention, it is possible to conveniently divide a screen or return to a previous screen with only one operation, and to display a recently used screen, thereby improving user's convenience of operation.

1 is a block diagram of a portable terminal according to an embodiment of the present invention;
2 is a front perspective view of a mobile terminal according to an embodiment of the present invention,
3 is a rear perspective view of a portable terminal according to an embodiment of the present invention,
4 is a flowchart illustrating an embodiment of a method of operating a mobile terminal according to the present invention;
5A to 7D are views referred to for describing various embodiments of a method of operating a mobile terminal according to the present invention.

Hereinafter, the present invention will be described in detail with reference to the drawings.

The portable terminal described in the present specification may be used in various applications such as a mobile phone, a smart phone, a notebook computer, a digital broadcasting terminal, a PDA (Personal Digital Assistants), a PMP (Portable Multimedia Player), a camera, tablet computers, e-book terminals, and the like. In addition, suffixes "module" and " part "for the components used in the following description are given merely for convenience of description, and do not give special significance or role in themselves. Accordingly, the terms "module" and "part" may be used interchangeably.

1 is a block diagram of a portable terminal according to an embodiment of the present invention. Referring to FIG. 1, a mobile terminal according to an embodiment of the present invention will be described in terms of components according to functions.

1, the portable terminal 100 includes a wireless communication unit 110, an audio / video (A / V) input unit 120, a user input unit 130, a sensing unit 140, an output unit 150, A controller 160, an interface 170, a controller 180, and a power supply 190. Such components may be configured by combining two or more components into one component, or by dividing one or more components into two or more components as necessary when implemented in an actual application.

The wireless communication unit 110 may include a broadcast receiving module 111, a mobile communication module 113, a wireless Internet module 115, a short distance communication module 117, and a GPS module 119.

The broadcast receiving module 111 receives at least one of a broadcast signal and broadcast related information from an external broadcast management server through a broadcast channel. At this time, the broadcast channel may include a satellite channel, a terrestrial channel, and the like. The broadcast management server may refer to a server for generating and transmitting at least one of a broadcast signal and broadcast related information and a server for receiving at least one of the generated broadcast signal and broadcast related information and transmitting the broadcast signal to the terminal.

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, and in this case, may be received by the mobile communication module 113. Broadcast-related information can exist in various forms.

The broadcast receiving module 111 receives broadcast signals using various broadcasting systems. In particular, the broadcast receiving module 111 may be a Digital Multimedia Broadcasting-Terrestrial (DMB-T), a Digital Multimedia Broadcasting-Satellite (DMB-S) ), Digital Video Broadcast-Handheld (DVB-H), Integrated Services Digital Broadcast-Terrestrial (ISDB-T), and the like. In addition, the broadcast receiving module 111 may be configured to be suitable for all broadcasting systems that provide broadcasting signals, as well as the digital broadcasting system. 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 113 transmits and receives a radio signal to at least one of a base station, an external terminal, and a server on a mobile communication network. Here, the wireless signal may include various types of data according to a voice call signal, a video call signal, or a text / multimedia message transmission / reception.

The wireless Internet module 115 refers to a module for wireless Internet access, and the wireless Internet module 115 can be embedded in the mobile terminal 100 or externally. 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 117 refers to a module for short-range communication. Bluetooth, radio frequency identification (RFID), infrared data association (IrDA), ultra wideband (UWB), ZigBee, and Near Field Communication (NFC) may be used as the short distance communication technology.

A GPS (Global Position System) module 119 receives position information from a plurality of GPS satellites.

The 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 123. 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. Then, 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. [ The camera 121 may be equipped with two or more cameras according to the configuration of the terminal.

The microphone 123 receives an external sound signal by 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 113 and output when the voice data is in the call mode. The microphone 123 may be a variety of noise reduction algorithms for eliminating noise generated in receiving an external sound signal.

The user input unit 130 generates key input data that the user inputs to control the operation of the terminal. The user input unit 130 may include a key pad, a dome switch, and a touch pad (static / static) capable of receiving commands or information by a user's pressing or touching operation. In addition, the user input unit 130 may be configured as a jog wheel or a jog method or a joystick that rotates a key, a finger mouse, or the like. Particularly, when the touch pad has a mutual layer structure with the display unit 151 described later, it can be called a touch screen.

The sensing unit 140 senses the current state of the portable terminal 100 such as the open / close state of the portable terminal 100, the position of the portable terminal 100, Thereby generating a sensing signal. For example, when the portable terminal 100 is in the form of a slide phone, it is possible to sense whether the slide phone is opened or closed. In addition, it may be responsible for sensing functions related to whether the power supply unit 190 is supplied with power, whether the interface unit 170 is coupled to an external device, and the like.

The sensing unit 140 may include a proximity sensor 141, a pressure sensor 143, a motion sensor 145, and the like. The proximity sensor 141 can detect the presence of an object approaching the portable terminal 100 or an object existing near the portable terminal 100 without mechanical contact. The proximity sensor 141 can detect a nearby object by using a change in the alternating magnetic field or a change in the static magnetic field, or a rate of change in capacitance. The proximity sensor 141 may be equipped with two or more sensors according to the configuration.

The pressure sensor 143 can detect whether the pressure is applied to the portable terminal 100, the magnitude of the pressure, and the like. The pressure sensor 143 may be installed at a portion where the pressure of the portable terminal 100 is required depending on the use environment. When the pressure sensor 143 is installed on the display unit 151, the touch input through the display unit 151 and the pressure applied by the touch input The pressure touch input can be identified. Also, the magnitude of the pressure applied to the display unit 151 at the time of the pressure touch input can be determined according to the signal output from the pressure sensor 143. [

The motion sensor 145 detects the position and movement of the portable terminal 100 using an acceleration sensor, a gyro sensor, or the like. An acceleration sensor that can be used for the motion sensor 145 is a device that converts an acceleration change in one direction into an electric signal and is widely used along with the development of MEMS (micro-electromechanical systems) technology.

The acceleration sensor measures the acceleration of a small value built in the airbag system of an automobile and recognizes the minute motion of the human hand and measures the acceleration of a large value used as an input means such as a game There are various types. Acceleration sensors are usually constructed by mounting two or three axes in one package. Depending on the usage environment, only one axis of Z axis is required. Therefore, when the acceleration sensor in the X-axis direction or the Y-axis direction is used instead of the Z-axis direction for some reason, the acceleration sensor may be mounted on the main substrate by using a separate piece substrate.

The gyro sensor is a sensor for measuring the angular velocity, and it can sense the direction of rotation with respect to the reference direction.

The output unit 150 is for outputting an audio signal, a video signal, or an alarm signal. The output unit 150 may include a display unit 151, an audio output module 153, an alarm unit 155, and a haptic module 157.

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

Meanwhile, as described above, when the display unit 151 and the touch pad have a mutual layer structure to constitute a touch screen, the display unit 151 may be an input device capable of inputting information by a user's touch in addition to the output device Can also be used.

If the display unit 151 is configured as a touch screen, it may include a touch screen panel, a touch screen panel controller, and the like. In this case, the touch screen panel is a transparent panel attached to the outside, and can be connected to the internal bus of the portable terminal 100. The touch screen panel keeps a watch on the contact result, and if there is a touch input, sends the corresponding signals to the touch screen panel controller. The touch screen panel controller processes the signals, and then transmits corresponding data to the controller 180 so that the controller 180 can determine whether the touch input has been made and which area of the touch screen has been touched.

The display unit 151 may be formed of an e-paper. Electronic paper (e-Paper) is a kind of reflective display, and has excellent visual characteristics such as high resolution, wide viewing angle and bright white background as conventional paper and ink. The electronic paper (e-paper) can be implemented on any substrate such as plastic, metal, paper, and the image is retained even after the power is shut off, and the battery life of the portable terminal 100 is long Can be maintained. As the electronic paper, a hemispherical twist ball filled with a telephone can be used, or an electrophoresis method and a microcapsule can be used.

In addition, the display unit 151 may be a liquid crystal display, a thin film transistor-liquid crystal display, an organic light-emitting diode, a flexible display, a three- (3D display). In addition, there may be two or more display units 151 according to the embodiment of the portable terminal 100. For example, the portable terminal 100 may include an external display unit (not shown) and an internal display unit (not shown) at the same time.

The audio output module 153 outputs 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 153 outputs sound signals related to functions performed in the portable terminal 100, for example, a call signal reception tone, a message reception tone, and the like. The sound output module 153 may include a speaker, a buzzer, and the like.

The alarm unit 155 outputs a signal for notifying the occurrence of an event of the portable terminal 100. Examples of events occurring in the portable terminal 100 include call signal reception, message reception, and key signal input. The alarm unit 155 outputs a signal for notifying the occurrence of an event in a form other than an audio signal or a video signal. For example, it is possible to output a signal in a vibration mode. The alarm unit 155 can output a signal to notify when a call signal is received or a message is received. Also, when the key signal is inputted, the alarm unit 155 can output the signal as the feedback to the key signal input. The user may recognize the occurrence of an event through the signal output from the alarm unit 155. A signal for notifying the occurrence of an event in the portable terminal 100 may also be output through the display unit 151 or the sound output module 153. [

The haptic module 157 generates various tactile effects that the user can feel. A typical example of the haptic effect generated by the haptic module 157 is a vibration effect. When the haptic module 157 generates vibration with a haptic effect, the intensity and pattern of the vibration generated by the haptic module 157 can be converted, and the different vibrations can be synthesized and output or sequentially output.

In addition to the vibration, the haptic module 157 may be provided with a function of stimulating by a pin arrangement vertically moving with respect to the contact skin surface, an effect of stimulating air through the injection or suction force of the air through the injection port or the suction port, A variety of tactile effects such as an effect of stimulation through the contact of the electrode (eletrode), an effect of stimulation by electrostatic force, and an effect of cold / warm reproduction using a device capable of endothermic or exothermic can be generated. The haptic module 157 can be implemented not only to transmit the tactile effect through direct contact but also to feel the tactile effect through the muscular sense of the user's finger or arm. The haptic module 157 may include two or more haptic modules 157 according to the configuration of the portable terminal 100.

The memory 160 may store a program for processing and controlling the control unit 180 and may store a function for temporarily storing input or output data (e.g., a phone book, a message, a still image, .

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 , And a ROM. ≪ / RTI > In addition, the portable terminal 100 may operate a web storage for storing the memory 150 on the Internet.

The interface unit 170 serves as an interface with all external devices connected to the portable terminal 100. Examples of the external device connected to the portable terminal 100 include a wired / wireless headset, an external charger, a wired / wireless data port, a memory card, a SIM (Subscriber Identification Module) card, a UIM An audio input / output (I / O) terminal, a video I / O (input / output) terminal, and an earphone. The interface unit 170 receives data from the external device or receives power from the external device and transmits the data to each component in the portable terminal 100 so that data in the portable terminal 100 can be transmitted to the external device .

The interface unit 170 is a path through which power from the cradle connected when the portable terminal 100 is connected to the external cradle is supplied to the portable terminal 100 or various command signals inputted from the cradle by the user are carried And may be a passage to be transmitted to the terminal 100.

The controller 180 typically controls the operation of the respective units to control the overall operation of the mobile terminal 100. For example, voice communication, data communication, video communication, and the like. In addition, the control unit 180 may include a multimedia playback module 181 for multimedia playback. The multimedia playback module 181 may be configured in hardware in the controller 180 or separately from software in the controller 180. [

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 mobile terminal 100 having such a configuration can be configured to be operable in a communication system capable of transmitting data through a frame or a packet, including a wired / wireless communication system and a satellite-based communication system. have.

FIG. 2 is a perspective view of a portable terminal according to an exemplary embodiment of the present invention, and FIG. 3 is a rear perspective view of the portable terminal shown in FIG. 2. Referring to FIG. Hereinafter, the portable terminal according to the present invention will be described with reference to FIGS. 2 and 3 in terms of components according to the external form. Hereinafter, for convenience of description, a bar-type portable terminal having a front touch screen among various types of portable terminals such as a folder type, a bar type, a swing type, a slider type, etc. will be described as an example. However, the present invention is not limited to a bar-type portable terminal, but can be applied to all types of portable terminals including the above-mentioned type.

Referring to FIG. 2, the case constituting the outer appearance of the portable terminal 100 is formed by the front case 100-1 and the rear case 100-2. Various electronic components are incorporated in the space formed by the front case 100-1 and the rear case 100-2.

The display unit 151, the first sound output module 153a, the first camera 121a, and the first through third user input units 130a, 130b, and 130c are connected to the main body, specifically, the front case 100-1 . A fourth user input unit 130d, a fifth user input unit 130e, and a microphone 123 may be disposed on a side surface of the rear case 100-2.

The display unit 151 may be constructed such that the touch pad is overlapped with the layer structure so that the display unit 151 operates as a touch screen so that information can be input by a user's touch.

The first acoustic output module 153a may be implemented in the form of a receiver or a speaker. The first camera 121a may be implemented in a form suitable for capturing an image or a moving image of a user. The microphone 123 may be implemented in a form suitable for receiving a user's voice, other sounds, and the like.

The first through fifth user input units 130a 130b 130c 130d and 130e and the sixth and seventh user input units 130f and 130g described below may be collectively referred to as a user input unit 130, Any manner can be employed in a tactile manner.

For example, the user input unit 130 may be embodied as a dome switch or a touch pad capable of receiving a command or information by a user's pressing or touching operation, or may be a wheel, a jog type or a joystick Or the like. In a functional aspect, the first to third user input units 130a, 130b and 130c are for inputting commands such as start, end, and scroll, and the fourth user input unit 130d is for inputting a selection of an operation mode, . In addition, the fifth user input unit 130e may operate as a hot-key for activating a special function in the portable terminal 100. [

 3, a second camera 121b may be additionally mounted on a rear surface of the rear case 100-2. On the side surface of the rear case 100-2, a sixth and a seventh user input units 130f, 130g, and an interface unit 170 may be disposed.

The second camera 121b has a photographing direction substantially opposite to that of the first camera 121a, and may have pixels different from those of the first camera 121a. A flash (not shown) and a mirror (not shown) may be additionally disposed adjacent to the second camera 121b. In addition, another camera may be installed adjacent to the second camera 121b to use it for shooting a three-dimensional stereoscopic image.

The flash shines toward the subject when the subject is photographed with the second camera 121b. The mirror enables the user to illuminate the user's own face or the like when the user intends to photograph (self-photograph) himself / herself using the second camera 121b.

A second sound output module (not shown) may be further disposed in the rear case 100-2. The second sound output module may implement the stereo function together with the first sound output module 153a, and may be used for talking in the speakerphone mode.

The interface unit 170 can be used as a path for exchanging data with an external device. An antenna for receiving broadcast signals (not shown) may be disposed in one area of the front case 100-1 and the rear case 100-2 in addition to the antenna for communication. The antenna may be installed to be capable of being drawn out from the rear case 100-2.

A power supply unit 190 for supplying power to the portable terminal 100 may be mounted on the rear case 100-2. The power supply unit 190 may be a rechargeable battery, for example, and may be detachably coupled to the rear case 100-2 for charging or the like.

On the other hand, in the present embodiment, the second camera 121b and the like are disposed in the rear case 100-2, but the present invention is not limited thereto. Also, the first camera 121a may be rotatably formed so that the second camera 121b can be photographed up to the photographing direction, even if the second camera 121b is not separately provided.

4 is a flowchart illustrating an embodiment of a method for operating a mobile terminal according to the present invention, and FIGS. 5A to 7D are views for explaining various embodiments of the method for operating a mobile terminal according to the present invention.

Referring to the drawings, first, a predetermined first image 510 is displayed on the display unit 151 as shown in FIG. 5A. (S410) Here, the first image 510 is not limited to a type. For example, the first image 510 may be a home screen, an execution screen of a predetermined application, a web browsing screen, a video, a photo, or the like.

Thereafter, the touch input 511 rotating in the first direction is received. The touch input rotating in the first direction may be an input 511 drawing a circle (S420).

The first direction may be a clockwise or counterclockwise direction, and an input for drawing a circle in the first direction may be an input for dragging in a clockwise or counterclockwise direction by touching the display unit 151.

On the other hand, the input for drawing the circle is not limited to a perfect circle (circle), it may include an input for drawing the shape of the approximate circle, oval, sector.

In addition, the input for drawing the circle may include a case in which the circle is rotated by a length or an angle of a predetermined reference or more without being terminated at the first touch position point to draw a complete circle.

On the other hand, when the received touch input is a general touch input that is not determined as a circular pattern, a corresponding normal operation is performed.

On the other hand, in response to the input of drawing the circle, the controller 180 reduces the first image 510 on the first area 521 of the display unit 151 and displays it as shown in FIG. 5B ( In operation S430, a screen of the most recently used application A may be displayed on the second area 522 that is different from the first area 521.

Therefore, with one circular touch input, the most recently used A application can be activated and displayed on the screen, and the screen can be divided and used. That is, the main image being used and the most recently used A application can be displayed and used together on the split screen.

On the other hand, when the input 523 for drawing a circle in the first direction is received again on the screen of FIG. 5B, the screen of the display unit 151 is divided into three regions, as shown in 5c, and divided into three regions. The main image, the screen of the most recently used A application, and the image of the B application used before the use of the A application may be displayed in the regions 531, 532, and 533.

Thus, the user can view up to N screens at once with N circular touch inputs.

The method of operating a mobile terminal according to an embodiment of the present invention includes receiving an input for dragging a boundary area between the first area and the second area, and based on the drag input, the first area and the first item. The method may further include varying the size of the two regions. That is, the size of each area may be adjusted according to the user's selection by dragging the boundary areas of the divided screens.

On the other hand, the operation method of a mobile terminal according to an embodiment of the present invention comprises the steps of receiving a touch input for drawing a circle in a second direction opposite to the first direction and receiving a touch input for drawing a circle in the first direction The method may further include returning to the previous screen.

On the other hand, when the first direction is a clockwise direction, the second direction may be a counterclockwise direction, and when the first direction is a counterclockwise direction, the second direction may be a clockwise direction.

Therefore, it may be determined as an input for canceling the input in the first direction in which the touch input drawing a circle in the second direction is received.

If a touch input for drawing a circle in the second direction is received on the screen of FIG. 5B, the display returns to the screen of FIG. 5A, and if a touch input for drawing a circle in the second direction is received on the screen of FIG. 5C, the input of FIG. You can return to the screen.

Meanwhile, the method of operating a mobile terminal according to an embodiment of the present invention further includes displaying a part of a screen of the most recently used application on the first image when a touch input drawing a circle is received. Can be.

6A illustrates an example in which a portion 512 of the screen of the A application is displayed on the main image 510 when a touch input that draws a circle in the first direction is received in the screen state of FIG. 5A.

Meanwhile, some of the screens 512 of the A application may be switched to the screens illustrated in FIG. 5B after being displayed for a predetermined time with various animation effects.

FIG. 6B illustrates that a portion 543 of the screen of the B application is the main image 541 and at least a portion of the screen 542 of the A application when a touch input that draws a circle in the first direction is received in the screen state of FIG. 5B. The example shown in some areas is shown.

In this case, an area of the main image 541 and the screen 542 of the A application may be automatically adjusted.

In this case, some of the screens 543 of the B application may be displayed with various animation effects.

Meanwhile, the method of operating a mobile terminal according to an embodiment of the present invention may further include displaying icons corresponding to a plurality of recently used applications when a touch input drawing a circle in the first direction is received. have.

7A to 7D illustrate examples of displaying icons corresponding to a plurality of recently used applications on a portion of the screen 750.

In the screen state of FIG. 5A, when an input for drawing a circle in the first direction is received, as shown in FIG. 7A, some of the screens 712 of the most recently used application A are enlarged or shaken, such as various animations. The main image 710 is displayed on the main image 710 with an effect, and as shown in FIG. 7B, the main image 710 is reduced and displayed in a predetermined area 721 of the display unit 151, and A is displayed in another area 722. The screen of the application can be displayed.

On the other hand, by displaying icons corresponding to a plurality of the most recently used applications (B, C, D, E) except for the A application on a portion of the screen 750, the user can intuitively check the recent applications that can be activated. I can help you. Icons corresponding to the plurality of applications B, C, D, and E may be arranged and displayed according to the order of use.

When the user draws the circle 723 once more, as shown in FIG. 7C, a portion 733 of the screen of the B application is displayed on at least a part of the area on the main image 731 and the screen 732 of the A application. As described above, the main image, the screen of the most recently used A application, and the image of the B application used before the use of the A application may be displayed in the divided three regions 741, 742, and 743.

Meanwhile, while the B application screens are displayed in FIGS. 7C and 7D, icons corresponding to a plurality of applications that have been used most recently are changed in some areas 750 of the screen. 7A and 7B, an icon corresponding to the B application disappears, and an icon corresponding to the F application used after the E application may be newly added and displayed.

According to the present invention, it is possible to conveniently divide a screen or return to a previous screen with only one operation, and to display a recently used screen, thereby improving user's convenience of operation.

The portable terminal according to the present invention and its operation method are not limited to the configuration and method of the embodiments described above but the embodiments can be applied to all or a part of each embodiment Or may be selectively combined.

Meanwhile, the present invention can be implemented as a processor-readable code in a processor-readable recording medium provided in a portable terminal. The processor-readable recording medium includes all kinds of recording apparatuses in which data that can be read by the processor is stored. Examples of the recording medium readable by the processor include a ROM, a RAM, a CD-ROM, a magnetic tape, a floppy disk, an optical data storage device, and the like, and also a carrier wave such as transmission over the Internet. In addition, the processor readable recording medium may be distributed over networked computer systems so that code readable by the processor in a distributed manner can be stored and executed.

While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it is to be understood that the invention is not limited to the disclosed exemplary embodiments, but, on the contrary, It will be understood by those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the present invention.

110: wireless communication unit 120: A / V input unit
130: user input unit 140: sensing unit
150: output unit 151: display unit
160: memory 170: interface section
180:

Claims (5)

Displaying a first image on a display unit;
Receiving a touch input that draws a circle in a first direction;
Reducing and displaying the first image on a first area of the display unit; And
Displaying a screen of an application most recently used on a second area of the display unit. The method of claim 1,
And displaying a part of a screen of the most recently used application on the first image when the touch input drawing the circle is received. The method of claim 1,
Receiving a touch input that draws a circle in a second direction opposite to the first direction; and returning to a screen before the touch input that draws the circle in the first direction is received. Way. The method of claim 1,
And displaying icons corresponding to a plurality of recently used applications when a touch input drawing a circle in the first direction is received. The method of claim 1,
Receiving an input for dragging a boundary area between the first area and the second area; and varying sizes of the first area and the second area based on the drag input; Method of operation.

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