KR101769374B1 - Mobile terminal and method for controlling the same - Google Patents

Abstract

The present invention relates to a portable terminal for detecting a curved region of the flexible display unit while displaying an operation screen of one or more contents on a flexible display unit and inverting and displaying an image related to the function of the content in the curved region, And a control method.

Description

[0001] MOBILE TERMINAL AND METHOD FOR CONTROLLING THE SAME [0002]

The present invention relates to a portable terminal and a control method thereof, in which the use of the terminal can be realized by further considering the convenience of the user.

A portable terminal is a portable device having at least one function that can carry out voice and video communication, a function to input and output information, and a function to store data while being portable.

In order to realize a complicated function, a mobile terminal implemented in the form of a multimedia device is being applied variously in terms of hardware and software. A portable terminal having a flexible display is also being developed, and a transparent display is also being developed.

Flexible display means a display that can be folded like paper, bent, or rolled up like a scroll, unlike a commonly used flat panel display. Also, a transparent display is a display implemented using a transparent element on a transparent substrate, and an object displayed in a display area may be displayed in a reversed form in a region opposite to the display direction from the display area. Transparent displays can display opaque as well as transparent screens.

Therefore, when the flexible display is implemented as a transparent display, a method of appropriately utilizing the transparent display area and the opposite area of the display area through folding or bending operation is required.

SUMMARY OF THE INVENTION It is an object of the present invention to provide a flexible display device capable of detecting a bent area of the flexible display part while displaying an operation screen of one or more contents on a flexible display part, And a control method thereof.

According to an aspect of the present invention, there is provided a portable terminal including: a flexible display unit displaying a first image according to a screen on which content is operated; A sensing unit sensing at least one area bent at least once in the display unit; A second image corresponding to a function related to the content is inverted and displayed in a region curved in the display unit according to a result of sensing by the sensing unit and the first image is displayed in an area opposite to the curved region on the display unit And a control unit.

According to another aspect of the present invention, there is provided a portable terminal and a control method thereof, including the steps of: displaying a first image according to an operation screen of a content on a flexible display unit; Detecting at least one area bent at least once in the display unit; Reversing and displaying a second image corresponding to a function related to the content in a region curved in the display unit as a result of the detection; And displaying the first image in an area opposite to the curved area.

According to another aspect of the present invention, there is provided a portable terminal including: a flexible display unit displaying a first image according to a screen on which content is operated; A sensing unit sensing a curved region of the display unit; And a controller for displaying a second image in which the first image is inverted in an area curved in the display unit according to the detection result of the sensing unit and displaying the first image in an area opposite to the curved area .

According to another aspect of the present invention, there is provided a method of controlling a mobile terminal, the method comprising: displaying a first image according to an operation screen of the content on a flexible display unit; Sensing a curved region of the display unit; Displaying a second image in which the first image is inverted in an area curved in the display unit as a result of the detection; And displaying the first image in an area opposite to the curved area as a result of the detection.

According to another aspect of the present invention, there is provided a portable terminal including: a flexible display unit displaying images corresponding to two or more pieces of content; A sensing unit sensing at least one area bent at least once in the display unit; And a control unit for displaying the images on the curved regions and the regions opposite to the curved regions, respectively, in accordance with the sensing result of the sensing unit, and displaying the inverted images on the curved regions in an alternating manner .

According to another aspect of the present invention, there is provided a method of controlling a mobile terminal, the method comprising: displaying images on an operation screen of two or more contents on a flexible display unit; Detecting at least one area bent at least once in the display unit; And displaying the images on the curved areas and the curved areas opposite to the curved areas, respectively, wherein the images displayed on the curved areas are alternately inverted and displayed.

The portable terminal and its control method according to the present invention detect a bent region of the flexible display unit and display the inverted image related to the function of the content in the bent region, So that various information can be seen.

1 is a block diagram of a portable terminal according to an embodiment of the present invention.
2 and 3 are perspective views of a mobile terminal according to an exemplary embodiment of the present invention.
4 is a rear perspective view of the portable terminal shown in FIG.
5 is a perspective view illustrating a portable terminal including a general display unit and a flexible display unit.
FIG. 6 is a flowchart illustrating an image control process of a transparent flexible portable terminal according to a first embodiment of the present invention.
FIGS. 7 to 12 are explanatory diagrams of a first embodiment of the image control process of the transparent flexible portable terminal according to the present invention.
FIG. 13 is a flowchart illustrating an image control process of a transparent flexible portable terminal according to a second embodiment of the present invention.
FIGS. 14 to 20 are explanatory views of a second embodiment of the image control process of the transparent flexible portable terminal according to the present invention.
FIG. 21 is a flowchart illustrating an image control process of a transparent flexible portable terminal according to a third embodiment of the present invention.
FIG. 22 and FIG. 23 are explanatory views of a third embodiment of the image control process of the transparent flexible portable terminal according to the present invention.
24 is a flowchart of a fourth embodiment of the image control process of the transparent flexible portable terminal according to the present invention.
25 to 27 are explanatory views of a fourth embodiment of the image control process of the transparent flexible portable 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 this specification includes a mobile phone, a smart phone, a notebook computer, a digital broadcasting terminal, a PDA (Personal Digital Assistants), a PMP (Portable Multimedia Player), and navigation. 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.

FIG. 1 is a block diagram of a portable terminal according to an exemplary embodiment of the present invention. Referring to FIG. 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 A / V input unit 120, a user input unit 130, a sensing unit 140, an output unit 150, A memory 160, an interface unit 170, a control unit 180, and a power supply unit 190. When such components are implemented in practical applications, two or more components may be combined into one component, or one component may be divided into two or more components as necessary.

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-related information may mean information related to a broadcast channel, a broadcast program, or a broadcast service provider. 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 can also be provided through a mobile communication network, in which case it can be received by the mobile communication module 113. 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 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 the like can 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 push or touch operation of a user. Also, the user input unit 130 may be a jog wheel for rotating a key, a jog type or a joystick, or a finger mouse. 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, a sensing function related to whether or not the power supply unit 190 is powered on, whether the interface unit 170 is coupled to an external device, and the like can be handled.

The sensing unit 140 may include a sensing sensor 141, a pressure sensor 143, a motion sensor 145, and the like. The detection sensor 141 detects the presence of an object approaching the portable terminal 100 or an object existing in the vicinity of the portable terminal 100 without mechanical contact. The detection 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 the capacitance. More than two detection sensors 141 may be provided 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 kinds. 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.

In addition, the sensing unit 140 may further include a gyro sensor, an emergency sensor, and the like. A gyro sensor is a sensor that measures the angular velocity and can detect the direction of rotation about the reference direction. In addition, the immersion sensor refers to a sensor capable of sensing the user's body reaction and measuring the emotion state of the user. The extraordinary sensor will be described later in more detail.

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 configured as a flexible display unit having flexibility that can be folded, bent, or unfolded. By overlapping the touchpad with the layer structure, the flexible display unit 151 operates as a touch screen, So that information can be input by touching the touch panel.

At this time, the image displayed in the display area of the flexible display unit 151 can be displayed through an area opposite to the display area, that is, the opposite area. When viewed from the opposite side of the display area, the image displayed in the display area is displayed as a left-right reversed image, and the display direction of the display area and the display direction of the opposite area of the display area are opposite to each other.

In addition, the flexible display unit 151 may have a display area on the front side and a display area on the rear side, respectively.

The flexible display unit 151 may be a liquid crystal display, a thin film transistor-liquid crystal display, an organic light-emitting diode, a flexible display, , And a three-dimensional display (3D display). There may be two or more display units 151 according to the implementation mode 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 a signal as a feedback to the key signal input. The user can recognize the occurrence of an event through the signal output by 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, The effect of stimulation through contact of an electrode (eletrode), the effect of stimulation by electrostatic force, and the effect of reproducing a cold sensation 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 > Also, the portable terminal 100 may operate a web storage that performs a storage function of the memory 160 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 and FIG. 3 are perspective views of a portable terminal according to an embodiment of the present invention, and FIG. 4 is a rear perspective view of the portable terminal shown in FIG. Hereinafter, a portable terminal related to the present invention will be described with reference to FIGS. 2 to 4 in terms of components according to the external form. Hereinafter, for convenience of description, a bar-type portable terminal having a flexible display equipped with a touch screen function among various types of portable terminals such as a folder type, a bar type, a swing type, a slider type, . 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.

The portable terminal 100 may operate in a standby mode according to a default setting, a user setting, a user input of a signal, or the like. Also, the standby mode may be released by the user's operation. When the mobile terminal 100 is released from the standby mode, the mobile terminal 100 operates in a communication mode or a data transmission mode. However, the mobile terminal 100 can be switched to the standby mode by the user's operation or a predetermined period of time.

Referring to FIG. 2, the case constituting the outer appearance of the portable terminal 100 is formed by the first case 100A-1 and the second case 100A-2. The first case 100A-1 and the second case 100A-2 are disposed on both sides of the transparent flexible display unit 151 according to the present invention to support the transparent flexible display unit 151. [

Various electronic components may be embedded in the space formed by the first case 100A-1 and the second case 100A-2. Such cases may be formed by injection molding of a synthetic resin, or may be formed of a metal material, for example, a metal material such as stainless steel (STS) or titanium (Ti).

As described above, the display unit 151 here is exemplified as a flexible display. A flexible display, unlike a typical flat panel display, is a rollable display that can be bent like a paper, and folds or rolls.

As shown in Fig. 3, the transparent flexible display portion 151 can be bent or folded once more.

3, when the transparent flexible display part 151 is curved once, the area 151-1 which is not curved in the transparent flexible display part 151 and the curved area 151-2 ).

2 to 4, the flexible display is illustrated as a first flexible display unit 151a and a second flexible display unit 151b.

In the first case 100A-1, a first sound output module 153a, a first camera 121a, and the like may be disposed. A microphone 123, a user input unit, and the like may be disposed in the second case 100A-2. The first and second flexible display portions 151a and 151b may be disposed in a superimposed manner between the first case 100A-1 and the second case 100A-2.

At this time, the first flexible display unit 151a and the second flexible display unit 151b may be independent displays, or a transparent display and one display on both sides.

The flexible display units 151a and 151b include a liquid crystal display (LCD), an OLED (Organic Light Emitting Diodes), and the like that visually express information. The flexible display units 151a and 151b may be structured such that the flexible display units 151a and 151b operate as a touch screen by inputting information by a user's touch by overlapping the touch pads in a layer structure.

The first and / or second flexible display units 151a and 151b are overlapped with each other in a layer structure so that the first and / or the second flexible display units 151a and 151b operate as a touch screen, It is also possible to configure the information input means to be able to input information.

The first and / or second flexible display units 151a and 151b are each provided with a bending sensor. When the bending occurs in the first and second flexible display units 151a and 151b, .

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

Further, the first case 100A-1 may include a rotation sensor 140a. When the first and second flexible display portions 151a and 151b are rolled in the form of a scroll, the rotation sensor 140a senses the number of revolutions and calculates the positions and areas of the curled portion and the curled portion, To the control unit 180. [0050] The rotation sensor 140a is a sensor for sensing the curved, folded, or curled state of the first and second flexible display portions 151a and 151b as well as the flexure sensor. The rotation sensor 140a discriminates between the activation region and the inactive region You can provide the necessary information.

4 is a rear perspective view of the portable terminal shown in FIG. Referring to FIG. 4, an interface unit 170 may be disposed on one side of the first case 100A-1.

A second camera (not shown) having a photographing direction substantially opposite to that of the first camera 121a may be mounted on the rear surface of the first body 100A-1. The second camera has a photographing direction substantially opposite to that of the first camera 121a, and may have different pixels from the first camera 121a. A flash or a mirror or the like may be further disposed adjacent to the second camera. The flash illuminates the subject when the subject is photographed by the second camera. The mirror enables the user to illuminate the user's own face or the like when the user intends to take a picture of himself / herself (self-photographing) using the second camera.

A second sound output module (not shown) may be additionally disposed in the second case 100A-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. An antenna (not shown) for receiving broadcast signals may be disposed on one side of the second case 100A-2 in addition to an antenna for communication. The antenna can be installed to be drawable from the second case 100A-2.

The interface unit 170 may be a path for allowing the portable terminal 100 to exchange data with an external device. For example, the interface unit 170 may be at least one of a connection terminal for connecting to an earphone, a port for short-range communication, or power supply terminals for supplying power to the portable terminal 100, have. The interface unit 170 may be a card socket that accommodates an external card such as a SIM (subscriber identification module) or a UIM (user identity module), a memory card for information storage, and the like.

A power supply unit 190 for supplying power to the portable terminal may be mounted on the lower end of the second case 100A-2. The power supply unit 190 may be a rechargeable battery, for example, and may be detachably coupled to the second case 100A-2 for charging or the like. Alternatively, the power supply unit 190 may be embedded in the second case 100A-2 and may not be exposed to the outside, and only a terminal for charging the power supply may be exposed to the outside. In this case, the power supply unit 190 may not be detachable.

An antenna (not shown) for receiving broadcasting signals may be disposed in one area of the first case 100A-1 or the second case 100A-2, in addition to the antenna for communication. The antenna may be installed so as to be capable of being drawn out from the first case 100A-1 or the second case 100A-2.

In the above description, the second camera or the like is separately disposed on the rear surface of the first case 100A-1, but the present invention is not limited thereto. The first camera 121a may be configured to be rotatable so that the first camera 121a can be photographed up to the photographing direction of the second camera even if the second camera is not separately provided.

Next, FIG. 5 illustrates a portable terminal having first and second display units.

5, a main display unit 151-M is provided on a front surface of a main body of the portable terminal 100 and a front case 100A-1 of the main body of the portable terminal 100 and a rear case 100A- The flexible display unit 151-S of the sub can be extended between the display units 100A-1 and 100A-2.

The user can move the packing part 151e connected to one end of the flexible display part 151 left and right. When the packing part 151e is moved to the right, the sub flexible display part 151-S which is curled in the space formed by the front case 100A-1 and the rear case 100A-2 is unfolded, The portion 151-S has a display area.

At this time, when the sub-flexible display unit 151-S is unfolded, the controller 180 calculates the size of the display area corresponding to the length of the extended sub-flexible display unit 151-S. The control unit 180 causes the object displayed in the display area of the sub flexible display unit 151-S to change in accordance with the degree of extension of the flexible display unit 151, in particular, the extension length.

The sub-flexible display unit 151-S is formed of a material that can be rolled into a space formed between the front case 100A-1 and the rear case 100A-2.

5, when the sub-flexible display unit 151-S is extended between the front case 100A-1 and the rear case 100A-2 of the main body, the extended sub- The mobile terminal 100 may further include a fixing unit for fixing the unit 151-S. The fixing portion may be hooked to the front case 100A-1 and the rear case 100A-2 to fix the sub-flexible display unit 151-S.

5, when the sub-flexible display unit 151-S is extended between the front case 100A-1 and the rear case 100A-2 of the main body, the sub- 151-S may be composed of a plurality of sub-flexible display units 151-S. In this case, the plurality of sub-flexible display units 151-S may be formed in a book form.

The configuration of the portable terminal 100 according to the present invention has been described above with reference to FIGS. 1 to 5. FIG.

Hereinafter, embodiments of the present invention will be described in detail with reference to FIGS. 6 to 27. FIG.

[First Embodiment]

In the first embodiment of the present invention, when the flexible display unit 151 is bent while the first image corresponding to the operation screen of the specific content is displayed on the transparent flexible display unit 151, A second user located on the back side of the portable terminal 100 can view the same image as the first user located on the front side by displaying the second image in which the first image is inverted.

Hereinafter, the first embodiment of the present invention will be described in detail with reference to Figs. 6 to 12. Fig.

FIG. 6 is a flowchart illustrating an image control process of a transparent flexible portable terminal according to a first embodiment of the present invention.

FIGS. 7 to 12 are explanatory diagrams of a first embodiment of the image control process of the transparent flexible portable terminal according to the present invention.

6 and 7, the control unit 180 of the portable terminal 100 displays the content to be executed by the user through the transparent flexible display unit 151 of the touch screen type or the user input unit, The first application 311A corresponding to the operation screen of the executed content is displayed on the transparent flexible display unit 151 (step S110) S120] (Fig. 7 (a)).

At this time, the content includes at least one of "broadcast", "video", "photo", "contact information in a phonebook", "incoming / outgoing message", "outgoing / incoming call list" Data that can be executed in the mobile terminal 100 such as "document "," game ", "web page "," widget icon "

7 shows that the content is a broadcast program corresponding to " Ch3 ", and the controller 180 receives the broadcast program corresponding to "Ch3" through the broadcast receiving module 111 Reproduction is performed.

Next, the control unit 180 detects whether the transparent flexible display unit 151 is bent by the user (S130).

At this time, the controller 180 controls the transparent flexible display unit (or the display unit) using information sensed by various sensors such as a bending sensor and a rotation sensor built in the body of the mobile terminal 100, the case, the transparent flexible display unit 151, 151 can be detected. For example, when a bending sensor incorporated in the transparent flexible display unit 151 is used, the bending sensor senses the bending point and the degree of bending from the coordinate value given to each part of the transparent flexible display unit 151. Then, the control unit 180 can calculate the position and area of the bent region on the transparent flexible display unit 151 according to the bending point and the degree of bending or the direction of the bending.

The control unit 180 displays the second image 311A inverted in the curved region 151-2 when the curved region 151-2 is detected in the transparent flexible display unit 151 at step S140, (Step S150) (FIG. 7 (b)).

The controller 180 controls the first image 311A (hereinafter referred to as "reverse region") to the region 151-1 opposite to the region 151-2 curved in the transparent flexible display portion 151 (S160) (Fig. 7 (b)).

That is, as described above, the control unit 180 determines the position and area of the curved region 151-2 and the position and area of the opposite region 151-1, And displays the first image 311A and the inverted second image 311B within the area of the curved region 151-2, respectively.

As described above, in the first embodiment of the present invention, the inverted second image 311B is displayed in the area 151-2 curved in the transparent flexible display part 151, and the inverted second image 311B is displayed in the opposite area 151-1 By displaying the first image 311A of the original, the same image can be provided to the user located on the rear side of the transparent flexible display unit 151 without reversing.

7 (b), the controller 180 controls the display area of the opposite area 151-1 and the curved area 151-2, respectively, based on the front surface of the transparent display part 151 The first image 311A and the inverted second image 311B may be displayed in a square style.

That is, even if the transparent flexible display unit 151 is warped by the user, the controller 180 controls the first and second images 151-1 and 151-2 displayed in the opposite area 151-1 and the curved area 151-2, 311A, and 311B are displayed in a non-distorted square, thereby making it easy for the user to view the first and second images 311A and 311B.

8 (a), when the curvature of the transparent flexible display unit 151 is detected through the sensing unit 140, The first and second images 311A and 311B are not displayed in the overlapped area 151-5 between the opposite area 151-1 and the curved area 151-2 as shown in FIG. The first and second images 311A and 311B can be displayed in the opposite area 151-1 and the warped area 151-2, respectively.

8 (c), the controller 180 can display the second image 311B by rotating the second image 311B in a direction corresponding to the curved direction of the curved region 151-2.

Although not shown in FIG. 8, the controller 180 may determine the horizontal and vertical ratios of the curved region 151-2 based on the front surface of the transparent flexible display unit 151, The second image 311B may be displayed in the form of a square in the form of a square and the second image 311B may be rotated in the vertical form if the height ratio is larger than the horizontal ratio .

Next, as shown in FIG. 9A, the control unit 180 controls the first image 311A displayed in the opposite region 151-1 and the second image 311A displayed in the curved region 151-2, When the specific image 311B is selected from the user while the image 311B is displayed, the selected image 311B is selected such that the user can identify the selected image 311B as shown in FIGS. 9B to 9D It is possible to correct the image 311A.

That is, as shown in FIG. 9A, the display unit 151 is a transparent flexible display assignment sheet. The first and second images 311A and 311B are formed on the front surface of the transparent flexible display unit 151 Users at the back can see it together.

However, if some or all of the first and second images 311A and 311B are overlapped with each other, a part or all of the first and second images 311A and 311B are overlapped and displayed, A confusing situation may occur to recognize the second images 311A and 311B.

Accordingly, the controller 180 selects the non-selected image 311B as shown in FIGS. 9B through 9C so that the image 311A selected by the user among the first and second images 311A and 311B is well- (d).

Referring to FIG. 9B, when the second image 311B is selected, the controller 180 identifies the second image 311B by a user located behind the transparent flexible display unit 151 , The first image 311A is displayed in a transparent manner.

At this time, transparency of the first image 311A can be adjusted by the user. That is, when the second image 311B is selected, the control unit 180 displays a user interface for setting transparency of the first image 311A in the opposite region 151-1 in which the first image 311A is displayed And displays the set transparency value on the first image 311A when the transparency of the first image 311A is set through the transparency setting UI.

Referring to FIG. 9C, when the second image 311B is selected, the controller 180 identifies the second image 311B by the user located at the back of the transparent flexible display unit 151 , The first image 311A is hidden. At this time, if the opposite region 151-1 is selected after the first image 311A is hidden, the controller 180 may display the hidden first image 311A again.

Referring to FIG. 9D, when the second image 311B is selected, the controller 180 identifies the second image 311B by a user located at the back of the transparent flexible display unit 151 The first image 311A is displayed in the form of a thumbnail at a position that does not overlap with the second image 311B.

10 (a), the controller 180 controls the first image 311A displayed in the opposite region 151-1 and the second image 311A displayed in the second region 151-2 displayed in the warped region 151-2, When the first and second images 311A and 311B are overlapped within a predetermined range in a state that the image 311B is displayed, as shown in FIGS. 10B to 10D, 1 and the second images 311A and 311B to be identifiable by the user.

The first and second images 311A and 311B are overlapped with each other so that the users positioned on the front and rear sides of the transparent flexible display unit 151 can display the first and second images 311A and 311B , And 311B in a state in which it is difficult to identify them.

At this time, if the first and second images 311A and 311B are overlapped within the pre-set range, the controller 180 determines whether the first and second images 311A and 311B are used, (311B) can be easily identified by the user.

In addition, the controller 180 may allow the user to easily identify an image occupying a large overlap ratio among the first and second images 311A and 311B.

In FIGS. 10B to 10D, an image having a high frequency of use, a high priority level, or a high overlap ratio among the first and second images 311A and 311B is transmitted to the second image 311B, And the control unit 180 corrects the first image 311A such that the second image 311B is well-identified in the same manner as the processes of FIGS. 9B through 9D.

11, the control unit 180 displays the first image 311A displayed in the opposite region 151-1 and the second image 311B displayed in the curved region 151-2, The UI 320 for editing the first and second images 3111A and 311B in one or more ways when the first and second images 311A and 311B are overlapped within a preset range, Can be provided.

At this time, the UI 320 can be displayed in any one of the opposite region 151-1 and the curved region 151-2, and according to the drag-touch operation of the user, the opposite region 151-1 ) And the curved region 151-2.

If the first menu 321 for compressing and storing the first and second images 311A and 311B together is selected in the UI 320, the controller 180 controls the first and second images 311A and 311B, (311A, 311B) in the memory (160). If the second menu 322 for canceling the inversion of the second image 311B is selected in the UI 320, the control unit 180 may display the second image 311B have. When the third menu 323 for combining the first and second images 311A and 311B is selected in the UI 320, the controller 180 controls the first and second images 311A and 311B, 311B may be synthesized into one image form and the synthesized image may be displayed on either or both of the opposite area 151-1 and the curved area 151-2 and may be stored in the memory 160 .

The functions of the first to third menus 321, 322 and 323 in the UI 320 are merely exemplary and the UI 320 includes menus for editing the first and second images 311A and 311B May all be included.

12 (a), the controller 180 controls the first image 311A displayed on the opposite region 151-1 and the second image 311A displayed on the curved region 151-2, When it is detected that the curved region 151-2 is gradually expanded to the original state through the sensing unit 140 as shown in FIG. 12 (b) in the state that the image 311B is displayed, The first image 311A is displayed on the transparent flexible display unit 151 as shown in FIG. 12 (c) after the second image 311B is again inverted in accordance with the degree of spreading .

The first embodiment of the present invention has been described in detail with reference to Figs. 6 to 12. Fig.

Hereinafter, a second embodiment of the present invention will be described in detail with reference to FIGS.

[Second Embodiment]

In the second embodiment of the present invention, when the transparent flexible display unit 151 is bent one or more times while a specific content is displayed on the transparent flexible display unit 151, A user located on the front side of the portable terminal 100 can view various information through the curved transparent flexible display unit.

Hereinafter, a second embodiment of the present invention will be described in detail with reference to FIGS. 13 to 20. FIG.

FIG. 13 is a flowchart illustrating an image control process of a transparent flexible portable terminal according to a second embodiment of the present invention.

FIGS. 14 to 20 are explanatory views of a second embodiment of the image control process of the transparent flexible portable terminal according to the present invention.

13 and 14, the control unit 180 of the portable terminal 100 displays a list of contents to be executed by the user through the transparent flexible display unit 151 of the touch screen type or the user input unit, 160 to execute the selected content (S210), and displays the first image 311 corresponding to the operation screen of the executed content on the transparent flexible display unit 151 S220 (Fig. 14 (a)).

At this time, the content includes at least one of "broadcast", "video", "photo", "contact information in a phonebook", "incoming / outgoing message", "outgoing / incoming call list" Data that can be executed in the mobile terminal 100 such as "document "," game ", "web page "," widget icon "

14 shows that the content is a broadcast program corresponding to " Ch3 ", and the control unit 180 receives the broadcast program corresponding to "Ch3" through the broadcast receiving module 111 Reproduction is performed.

Next, the control unit 180 detects whether the transparent flexible display unit 151 is bent by the user (S230).

The control unit 180 displays the second area 151-2 corresponding to the function related to the content 311 in the curved area 151-2 when the area 151-2 is detected in the transparent flexible display unit 151 The image 312 is reversed and displayed (S250) (FIG. 14 (c)).

The control unit 180 displays the first image 311 in the opposite area 151-1 of the curved area 151-2 of the transparent flexible display unit 151 in step S260 c)].

That is, as described above, the control unit 180 determines the position and area of the curved region 151-2 and the position and area of the opposite region 151-1, The first image 311 and the second image 312 corresponding to the function related to the content 311 are inverted and displayed within the area of the curved region 151-2.

14B, when the second image 312 related to the function of the content is displayed on the curved region 151-2 without being reversed, the second image 312 related to the function of the content is displayed on the transparent flexible display unit 151 And the user located on the front side of the second image 312 seems to be inverted. However, in the second embodiment of the present invention, the user located on the front side of the transparent flexible display unit 151 is provided with the opposite area 151-1 and the curved area 151-2 in relation to the current content 311 The second image 312 is displayed by reversing the second image 312 so that the user can easily view the second image 312, as shown in FIG. 14 (c).

In this case, FIG. 14 shows an image of a function related to the "Ch3" broadcast program and an image corresponding to a "Ch2" broadcast program which is a previous channel of the "Ch3 ".

Of course, the present invention is not limited to the content according to the present invention and images (including still images, moving images and related screens) corresponding to the functions related to the content. That is, the image corresponding to the function related to the content includes both the image corresponding to all of the displayable screens in the active content, and the image corresponding to the screen associated with or related to the content.

As an example of the function related to the "Ch3" broadcast program, the second image 312 may be broadcast program information, may be a preferred channel list, It is possible. As another example, if the content 311 is a web page, the second image 312 may be a favorite list, a web address input window, or a web page previously or previously browsed. As another example, if the content 311 is a moving image, the second image 312 may be a control key set for controlling the motion of the moving image, or may be a moving image reproduced before or before. As another example, if the content 311 is a phone book, the second image 312 may be a menu of a recent call list, a message sending, a call connection, and an email sending. As another example, if the content 311 is multimedia data, the second image 312 may be a list of multimedia data such as the content.

As described above, the image corresponding to the function related to the content may include both the image corresponding to all the displayable screens in the active content and the image corresponding to the screen related to the content or related to the content.

As shown in FIG. 14C, the controller 180 displays the opposite area 151-1 and the curved area 151-2 with reference to the front surface of the transparent display part 151, The first image 311 and the inverted second image 312 may be displayed in a square style.

Next, FIG. 15 shows that the transparent flexible display unit 151 is bent twice or more.

That is, as shown in (b) of FIG. 15, when it is detected through the sensing unit 140 that the transparent flexible display unit 151 is bent twice or more, the control unit 180 detects the curved areas 151- 2, and 151 - 3, the images 312 and 313 corresponding to the functions related to the content 311 are alternately displayed in an inverted manner.

At this time, the controller 180 determines whether the user is reversed with respect to the front surface of the transparent flexible display unit 151 among the images 312 and 313 to be displayed in the curved regions 151-2 and 151-3. The image 312 is identified, and only the recognized image 312 is inverted and displayed.

That is, the controller 180 inverts and displays the image 312 displayed in the odd-numbered warped area 151-2 of the warped areas 151-2 and 151-3, and the even-numbered warped area 151- The image 313 displayed on the display unit 3 is displayed without being inverted.

16 (a), when the transparent flexible display unit 151 is detected to be warped through the sensing unit 140, the first image 311 and the second image 311 are superimposed on the overlapped area 151-5 between the opposite area 151-1 and the curved area 151-2, The first image 311 and the inverted second image 312 are displayed in the opposite area 151-1 and the warped area 151-2 within a range in which the image 312 is not displayed .

16 (c), the controller 180 can rotate the inverted second image 312 in a direction corresponding to the warped direction of the warped area 151-2 have.

Although not shown in FIG. 16, the controller 180 determines the horizontal and vertical ratios of the curved region 151-2 based on the front surface of the transparent flexible display unit 151, The inverted second image 312 is displayed in the form of a square, and if the height ratio is larger than the horizontal ratio, the inverted second image 312 is rotated in the vertical direction It can also be displayed.

17 (a), the controller 180 controls the first image 311 displayed in the opposite region 151-1 and the first image 311 displayed in the warped region 151-2, When the specific image 312 is selected from the user while the second image 312 is displayed, the selected image 312 can be identified by the user as shown in FIGS. 17B to 17D It is possible to correct the image 311 which is not selected to be displayed. 17B through FIG. 17D are performed in the same manner as in FIGS. 9B through 9D, the description thereof will be omitted.

18 (a), the controller 180 controls the first image 311 displayed in the opposite region 151-1 and the first image 311 displayed in the warped region 151-2, When the first image 311 and the inverted second image 312 are overlapped within a predetermined range in a state in which the second image 312 is displayed, It is possible to correct the image of either the first image 311 or the inverted second image 312 to be identifiable by the user. The steps (b) to (d) of FIG. 18 are performed in the same manner as the steps (b) to (d) of FIG.

Next, in a state in which the first image 311 displayed in the opposite region 151-1 and the inverted second image 312 displayed in the curved region 151-2 are displayed, When the first image 311 and the inverted second image 312 are overlapped within a preset range, the first image 311 and the inverted second image 312 May be provided in the UI 320 for editing in one or more ways.

19, the control unit 180 controls the first image 311 displayed in the opposite region 151-1 and the second image 311 displayed in the curved region 151-2, When a part of the first image 311 and the inverted second image 312 are overlapped with each other in a state where the first image 311 and the inverted second image 312 are displayed, The images 313 and 314 related to the function of the content 311 may be further displayed in the opposite area 151-1 and the area within the curved area 151-2 that do not overlap with each other.

Next, in a state in which the first image 311 displayed in the opposite region 151-1 and the inverted second image 312 displayed in the curved region 151-2 are displayed, 12, when it is detected through the sensing unit 140 that the curved region 151-2 is gradually expanded to the original state, the reversed second image (corresponding to the second image) 312 may be reversed and then the first image 311 may be displayed on the transparent flexible display unit 151 or the first image 311A and the second image 312 may be displayed together.

The control unit 180 may display the first image 311A and the second image 312 on the transparent flexible display unit 151 in a thumbnail form or in a list form.

Next, in FIG. 20A, the inverted second image 312 is displayed in the area 151-2 where the transparent flexible display part 151 is bent twice, the first area is inverted, The first image 311 in the non-inverted state is displayed in the opposite area 151-1 of the first bent area 151-2 and the function of the content is displayed in the second bent area 151-3. And the associated third image 313 is displayed in the non-reversed state.

At this time, as shown in FIG. 20 (b), the controller 180 causes the second curved region 151-3 to expand through the sensing unit 140, The third image 313 displayed in the second deflected area 151-3 is inverted and the second deflected area 151-3 is displayed in the second deflected area 151-3, Can be displayed together with the second image 312.

At this time, although not shown in FIG. 20B, when it is detected that the second bent region 151-3 is integrated with the first bent region 151-2, the control unit 180 determines that the first bent The second image 312 and the third image 313 may be displayed in a thumbnail form in the area 151-2. At this time, the thumbnail corresponding to the third image 313 has an inverted shape.

Also, although not shown in FIG. 20B, when it is sensed that the second bent region 151-3 is integrated with the first bent region 151-2, the control unit 180 determines that the first bent The second image 312 and the third image 313 may be displayed in a list form in the area 151-2.

20 (c), the controller 180 controls the first deflected image 312 including the second image 312 and the inverted third image 313 through the sensing unit 140, The second and third images 312 and 313 are inverted if the region 151-2 is detected to be unfolded and integrated into the opposite region 151-1 and the first image 311 and the inverse The second and third images 312 and 313 can be displayed together in the screen of the transparent flexible display unit 151. [

Although not shown in FIG. 20C, the first to third images 311, 312, and 313 may be displayed in a thumbnail form or a list form in the screen of the transparent flexible display unit 151 And may display only the first image 311 which is the first display state without displaying the second and third images 312 and 313.

The second embodiment of the present invention has been described above in detail with reference to Figs.

Hereinafter, a third embodiment of the present invention will be described in detail with reference to Figs. 21 to 23. Fig.

[Third Embodiment]

In the third embodiment of the present invention, when the transparent flexible display unit 151 is bent more than a plurality of times while a plurality of contents are simultaneously executed (multitasking) in the transparent flexible display unit 151, And displaying the images in an area opposite to the first curved area of the curved areas, wherein the images displayed in each of the curved areas are alternately displayed in an inverted manner so that a user located in front of the mobile terminal And a process of viewing various information through the curved transparent flexible display unit.

Hereinafter, a third embodiment of the present invention will be described in detail with reference to Figs. 21 to 23. Fig.

FIG. 21 is a flowchart illustrating an image control process of a transparent flexible portable terminal according to a third embodiment of the present invention.

FIG. 22 and FIG. 23 are explanatory views of a third embodiment of the image control process of the transparent flexible portable terminal according to the present invention.

21 to 23, the controller 180 of the portable terminal 100 displays the contents 410, 420, and 430 in a state in which a plurality of contents 410, 420, and 430 are simultaneously or sequentially executed in a multitasking manner [S310 (FIG. 23 (a)], it is detected whether the transparent flexible display unit 151 is bent a plurality of times through the sensing unit 140 (S320).

At this time, the control unit 180 may display an operation screen of the executed plurality of contents as shown in FIG. 22 below.

That is, as shown in FIG. 22 (a), the control unit 180 can display only the image corresponding to the operation screen of the content 410 that is the earliest or last executed.

22 (b), the control unit 180 displays images corresponding to the operation screens of the contents 410, 420, and 430, on the screen of the transparent flexible display unit 151 Or the like.

If the control unit 180 senses the areas 151-2 and 151-3 bent in the transparent flexible display unit 151 through the sensing unit 140 at step S330 and the curved areas 151 151-2 and 151-3 of the contents 410, 420 and 430 in the opposite area 151-1 of the first curved area 151-2 and the curved areas 151-2 and 151-3, And displays images related to the operation screen (S340).

At this time, the controller 180 transmits the contents 410, 420, and 430 to the opposite area 151-1 according to the time order, frequency of use, and predetermined priority of the contents 410, And the warped regions 151-2 and 151-3, respectively.

Next, the control unit 180 alternately inverts and displays the images 420 and 430 displayed in the curved regions 151-2 and 151-3 (S350; FIG. 23C) ].

That is, the control unit 180 displays the images (420, 430) displayed in the curved areas 151-2, 151-3 as the user's inverted image based on the front surface of the transparent flexible display unit 151 420, and displays only the detected image 420 in an inverted manner.

More specifically, the control unit 180 inverts and displays the image 420 displayed in the odd-numbered warped area 151-2 out of the warped areas 151-2 and 151-3, The image 430 displayed on the display unit 151-3 is not inverted but displayed as it is.

In addition, the control unit 180 may display images 410, 420, and 430, respectively, displayed in the opposite region 151-1 and the warped regions 151-2 and 151-3, respectively, Can be controlled.

As described above, the third embodiment of the present invention has been described in detail with reference to FIGS. 21 to 23. FIG.

Hereinafter, a fourth embodiment of the present invention will be described in detail with reference to Figs. 24 to 27. Fig.

[Fourth Embodiment]

5, the portable terminal includes a main display unit and a sub flexible display unit. In a state in which a list including a plurality of icons is displayed on the main display unit, When the flexible display unit is unfolded, displaying the icons included in the list but not displayed due to the screen size restriction of the main display unit on the unfolded sub flexible display unit.

Hereinafter, a fourth embodiment of the present invention will be described in detail with reference to FIGS. 24 to 27. FIG.

24 is a flowchart of a fourth embodiment of the image control process of the transparent flexible portable terminal according to the present invention.

25 to 27 are explanatory views of a fourth embodiment of the image control process of the transparent flexible portable terminal according to the present invention.

Referring to FIGS. 24 to 27, the controller 180 of the portable terminal 100 displays a list including a plurality of icons on the main display unit 151-M (S410).

At this time, the icons are assigned functions of respective contents, applications, widgets and the like, and may be configured in a form of combining at least one of text, image, animation, and 3D, or a combination of two or more.

In addition, as shown in FIG. 25, the main display unit 151-M includes a number of icons that are not fully displayable in the list.

25, the number of the icons 511 to 514, 521 to 524 included in the list is eight in total, but the size of the main display unit 151- Only four icons 511 to 514 are displayed on the display 151-M.

In the following description, the icons 521 to 524, which are included in the list but are not displayed due to the screen size restriction of the main display unit 151-M, are referred to as hidden icons.

The control unit 180 displays the list on the main display unit 151-M through the sensing unit 140 and displays the sub-flexible display 160 in one direction on the main body of the portable terminal 100. [ S is drawn out so as to be exposed (S420).

If it is detected that the sub flexible display 151-S is pulled out as a result of the detection (S430), the controller 180 includes the main display unit 151-M The icon icons 521 to 524 are hidden because of the screen size restriction of the icon [S440]. At this time, the sub-flexible display 151-S may be a transparent flexible display 151-S as shown in FIGS. 6 to 23 described above.

The controller 180 displays the hidden icons 521 to 524 on the sub flexible display 151-S in proportion to the extracted degree of the detected sub flexible display 151-S (S450).

26 (a), when it is detected that the area corresponding to one-half of the entire expanded area of the sub-flexible display 151-S is drawn out, , Two icons 521 and 522, which are half of the four hidden icons 521 to 524, are displayed on the sub flexible display 151-S.

26 (c), the controller 180 extracts all the remaining area in a state in which the area corresponding to half of the entire expanded area of the sub flexible display 151-S is drawn out If it is sensed, the hidden remaining two icons 521 to 524 are further displayed on the sub-flexible display 151-S, as shown in (d) of FIG.

27, the controller 180 may display the information 530 informing the user of the fact that the hidden icons can not be displayed because the drawn area of the sub-flexible display 151-S is narrow, , It is possible to induce the user to further withdraw the sub-flexible display 151-S.

That is, as shown in FIG. 27 (a), when the sub flexible display 151-S is pulled out by the user, the control unit 180 displays at least the sub-flexible display 151- Determine if one hidden icon is visible.

27 (b), if it is determined that it is impossible to display at least one hidden icon within the drawn-out area of the sub-flexible display 151-S, the controller 180 displays the sub- S on the main display unit 151-M.

As shown in FIG. 27 (c), when the sub-flexible display 151-S is fetched by the user to have the area capable of displaying the at least one hidden icon, The hidden sub-flexible display 151-S.

When the flexible display 151-S is a transparent flexible display 151-S and a warp is detected on the transparent flexible display 151-S, the controller 180 controls the first to As described in the third embodiment, it is possible to control the display operation of the images displayed in the curved area of the transparent flexible display 151-S and the area opposite to the curved area.

As described above, the present invention can be implemented as a processor-readable code on a processor-readable recording medium such as a mobile station modem (MSM). 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 should be understood that various modifications may be made by those skilled in the art 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: control unit 190: power supply unit

Claims (18)

A flexible display unit in which a first image according to a screen on which the content is operated is displayed;
A sensing unit sensing at least one area bent at least once in the display unit; And
A second image corresponding to a function related to the content is inverted and displayed in a region curved in the display unit according to a result of sensing by the sensing unit and the first image is displayed in an area opposite to the curved region on the display unit And a controller
Wherein the control unit reverses the inverted second image in accordance with the extent of the expansion when the curved region is gradually expanded to its original state through the sensing unit. The method according to claim 1,
Wherein the display unit is a transparent and flexible display unit. The method according to claim 1,
Wherein the control unit detects that the display unit has been warped a plurality of times through the sensing unit and sequentially displays the images in each of the warped regions if there are a plurality of images corresponding to the function related to the content, Wherein the display area is displayed in an inverted manner in each of the areas. The method of claim 3,
Wherein the control unit displays the images displayed in the odd-numbered warped regions by inverting the images displayed in the odd-numbered warped regions, and displays the images displayed in the even-numbered warped regions in the non-inverted state. The method according to claim 1,
Wherein the control unit rotates the inverted second image in a direction corresponding to the curved direction of the curved region with respect to the display unit. The method according to claim 1,
Wherein the controller displays the first image and the inverted second image in a square style on the opposite region and the warped region with respect to a front surface of the display unit. The method according to claim 1,
Wherein the control unit displays the selected image so that the user can identify the selected image when either the first image or the inverted second image is selected. The method according to claim 1,
Wherein the controller displays the first image and the inverted second image so that the user can identify the first image and the inverted second image when the first image and the inverted second image overlap within a predetermined range. terminal. The method according to claim 1,
Wherein the control unit is configured to determine whether the first image and the inverted second image overlap each other if the first image and the inverted second image partially overlap each other, Further displays a third image related to the function of the content. The method according to claim 1,
(UI) for editing the first image and the inverted second image in one or more ways when the first image and the inverted second image are overlapped within a predetermined range, And the selected editing method is applied to the first image and the inverted second image when at least one editing method is selected through the UI, . The method according to claim 1,
Wherein the control unit displays the first image on the entire screen of the display unit when it is sensed that the bent region is unfolded in its original state through the sensing unit. delete The method according to claim 1,
Wherein the controller displays a list including the first and second images on the entire screen of the display unit when it is sensed that the bent area is unfolded through the sensing unit in its original state. Displaying a first image according to an operation screen of the content on a flexible display unit;
Sensing at least one region of the display bent at least once; And
Inverting and displaying a second image of a function related to the content in a region curved in the display unit as a result of the detection;
Displaying the first image in an area opposite to the curved area; And
And if it is sensed that the curved region is gradually expanded to its original state, reversing and displaying the inverted second image again according to the degree of expansion. delete delete delete delete

Images