KR20100126026A - Mobile terminal equipped with multi-view display and operation control method thereof - Google Patents

Abstract

PURPOSE: A mobile terminal equipped with multi-view display and an operation control method thereof are provided to display different image according to the display direction through the multi-view display. CONSTITUTION: A controller controls the connection of the multi-party video call(S205). The controller respectively indicates the first and third images from the first or third display directions in a display unit(S210). According to the rotation of the display unit or the user location change, the controller reproduces the opposite side image corresponding to the front viewing angle area in the frame rate higher than the other opposite side image(S220,S225). In case the other function is selected, the controller controls the performance of the operation of coping with the selected function(S230, S235).

Description

TECHNICAL FIELD [0001] Mobile terminal equipped with multi-view display and operation control method

The present invention relates to a portable terminal and a control method thereof, and more particularly, to a portable terminal having a multi-view display capable of displaying different screens according to a display direction and a control method thereof.

A portable terminal is a portable device that is portable and has one or more functions for making voice and video calls, inputting and outputting information, and storing data. As the functions of the portable terminal have diversified, they have complicated functions such as photographing and photographing, playing music files and video files, receiving games, receiving broadcasts, and wireless internet, and have developed a comprehensive multimedia player, .

In the portable 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. In addition, while the mobile terminal is regarded as a personal portable product for expressing the personality of the user, various types of design changes such as a double-sided LCD (Liquid Crystal Display) and a front touch screen are required.

However, since the mobile terminal must consider mobility, portability, etc., since there is a limitation in allocating space for a user interface such as a display, the size of the display provided in the mobile terminal is inevitably limited. Therefore, in order to conveniently use various functions provided by the portable terminal, it is necessary to consider a method of controlling the operation of the portable terminal through a new input / output method using a multi-view display that can view each other according to the viewing angle.

Accordingly, an object of the present invention is to provide a portable terminal capable of controlling various operations using a multi-view display unit capable of displaying different screens according to a display direction, and a control method thereof.

According to an aspect of the present invention, there is provided a method of controlling a mobile terminal, comprising: connecting a multi-party video call, and providing a display unit capable of displaying different screens according to a display direction, and receiving the multi-way video call. And displaying the first to third relative images on the display unit in the first to third display directions, respectively.

In addition, a control method of a portable terminal according to the present invention for achieving the above object, comprising the steps of receiving a tuned broadcast signal, and providing a display unit capable of displaying different screens according to the display direction, demodulated from the broadcast signal And displaying one first to third broadcast screens in the first to third display directions on the display unit.

On the other hand, the portable terminal according to the present invention, the wireless communication unit for connecting a call for a multi-party video call, the display unit capable of displaying different screens according to the display direction, and the multi-party video call is connected through the wireless communication unit, And a controller configured to display the first to third relative images received through the multi-party video call in the first to third display directions, respectively.

In addition, the portable terminal according to the present invention includes a broadcast receiving module for receiving a broadcast signal, a display unit capable of displaying different screens according to a display direction, and first to third broadcast screens demodulated from the broadcast signal. And a control unit for displaying in the first to third display directions, respectively.

According to the present invention, since a multi-view display can display a different relative image according to a display direction during a multi-party video call, users can view each other's relative images as the viewing angle changes. In addition, different broadcast screens may be displayed on the display unit according to the display direction. Accordingly, the user can quickly and conveniently control various operations by changing only the viewing angle of the display unit without changing the screen in the portable terminal.

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

The portable terminal described in the present specification includes a mobile phone, a smart phone, a notebook computer, a digital broadcasting terminal, a personal digital assistant (PDA), a portable multimedia player (PMP), navigation, 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. Therefore, the "module" and "unit" 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 portable terminal according to an exemplary 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. 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 range 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. In this case, 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 not only a TV broadcast signal, a radio broadcast signal, and a data broadcast signal, but also a broadcast signal having a data broadcast signal combined with a TV broadcast signal or a radio broadcast signal. 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 may exist in various forms. For example, it may exist in the form of Electronic Program Guide (EPG) of Digital Multimedia Broadcasting (DMB) or Electronic Service Guide (ESG) of Digital Video Broadcast-Handheld (DVB-H).

The broadcast receiving module 111 receives broadcast signals using various broadcast systems, and in particular, digital multimedia broadcasting-terrestrial (DMB-T), digital multimedia broadcasting-satellite (DMB-S), and media forward link only (MediaFLO). ), Digital broadcast signals may be received using digital broadcasting systems such as DVB-H (Digital Video Broadcast-Handheld) and ISDB-T (Integrated Services Digital Broadcast-Terrestrial). In addition, the broadcast receiving module 111 may be configured to be suitable for all broadcast systems providing broadcast signals as well as such digital broadcast systems. 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 with 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 voice call signal, video call signal, or text / multimedia message transmission and 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. Wireless Internet technologies may include Wireless LAN (Wi-Fi), Wireless Broadband (Wibro), World Interoperability for Microwave Access (Wimax), High Speed Downlink Packet Access (HSDPA), and the like.

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 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 call mode or the photographing mode. The processed image frame may 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 input by the user for controlling the operation of the terminal. The user input unit 130 may include a key pad, a dome switch, a touch pad (static pressure / capacitance), a jog wheel, a jog switch, a finger mouse, and 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 controls the operation of the mobile terminal 100 by detecting a current state of the mobile terminal 100 such as the open / closed state of the mobile terminal 100, the location of the mobile terminal 100, the presence or absence of a user contact, and the like. To generate a sensing signal. For example, when the mobile terminal 100 is in the form of a slide phone, it may 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 may detect the presence or absence of an approaching object or an object present in the vicinity without mechanical contact. The proximity sensor 141 may detect a proximity object by using a change in an alternating magnetic field or a change in a static magnetic field, or by using a change rate of capacitance. Two or more proximity sensors 141 may be provided according to the configuration aspect.

The pressure sensor 143 may detect whether 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. If the pressure sensor 143 is installed in the display unit 151, a touch input through the display unit 151 and a greater pressure than the touch input are applied according to a signal output from the pressure sensor 143. 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. Accelerometers are devices that convert an acceleration change in one direction into an electrical signal, and are widely used with the development of microelectromechanical systems (MEMS) 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 information processed by the mobile 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 and constitute a touch screen, the display unit 151 may be used as an input device in addition to the output device. 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 may 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.

In addition, the display unit 151 may be configured of an electronic paper (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 include a liquid crystal display, a thin film transistor-liquid crystal display, an organic light-emitting diode, a flexible display, and a three-dimensional display. It may include at least one of (3D display). In addition, two or more display units 151 may exist according to the implementation form of the mobile terminal 100. For example, the external display unit (not shown) and the internal display unit (not shown) may be simultaneously provided in the portable terminal 100.

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 mobile terminal 100 include call signal reception, message reception, key signal input, and the like. The alarm unit 155 outputs a signal for notifying occurrence of an event in a form other than an audio signal or a video signal. For example, the signal may be output in the form of vibration. 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 input, the alarm unit 155 may output the signal as a 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 representative 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. Two or more haptic modules 157 may be provided according to a configuration aspect of the mobile terminal 100.

The memory 160 may store a program for processing and controlling the controller 180 and may provide a function for temporarily storing input or output data (for example, a phone book, a message, a still image, a video, etc.). It can also be done.

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), RAM The storage medium may include at least one type of storage medium. In addition, the mobile terminal 100 may operate a web storage that performs a storage function of 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 external devices connected to the mobile terminal 100 may include a wired / wireless headset, an external charger, a wired / wireless data port, a memory card, a subscriber identification module (SIM) or a user identity module (UIM) card. The same card socket, audio input / output (I / O) terminal, video input / output (I / O) terminal, and earphones are included. 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, the controller 180 performs related control and processing for voice call, data communication, video call, and the like. In addition, the controller 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 may be configured in software separately from the controller 180.

In addition, the power supply unit 190 receives an external power source and an internal power source under the control of the controller 180 to supply power for operation of each component.

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.

The portable terminal related to the present invention has been described above in terms of components according to functions. Hereinafter, referring to FIGS. 2 and 3, the portable terminal related to the present invention will be further described in terms of components according to appearance. Hereinafter, for convenience of description, a slider type portable terminal having a 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 the slider type portable terminal, but can be applied to all types of portable terminals including the aforementioned type.

2 is a perspective view of a portable terminal according to an embodiment of the present invention viewed from the front. Referring to FIG. 2, the portable terminal includes a first body 100A and a second body 100B configured to be slidable in at least one direction on the first body 100A.

A state in which the first body 100A is disposed to overlap the second body 100B may be referred to as a closed configuration. As shown in FIG. 2, the first body 100A may be referred to as the second body 100B. The exposed state of at least a portion of the N may be referred to as an open configuration.

Although the mobile terminal 100 operates mainly in the standby mode (Standby Mode) in the closed state, the standby mode may be released by the user's operation. In addition, the mobile terminal 100 operates mainly in a call mode or the like in an open state, but may be switched to a standby mode by a user's manipulation or a lapse of a predetermined time.

The case forming the outer appearance of the first body 100A is formed by the first front case 100A-1 and the first rear case 100A-2. Various electronic components are embedded in the space formed by the first front case 100A-1 and the first rear case 100A-2. At least one intermediate case may be further disposed between the first front case 100A-1 and the first rear case 100A-2. Such cases may be formed by injecting synthetic resin, or may be formed to have a metal material such as stainless steel (STS) or titanium (Ti).

The display unit 151, the first sound output module 153a, the first camera 121a, and the first user input unit 130a may be disposed in the main body, specifically, the first front case 100A-1.

The display unit 151 includes a liquid crystal display (LCD), organic light emitting diodes (OLED), and the like, which visually express information. The display unit 151 may be configured such that the touch pad is overlapped in a layer structure so that the display unit 151 operates as a touch screen to input information by a user's touch. The first sound output module 153a may be implemented in the form of a receiver or a speaker. The first camera 121a may be implemented to be suitable for capturing an image or a video of a user or the like.

Like the first body 100A, the case forming the external appearance of the second body 100B is formed by the second front case 100B-1 and the second rear case 100B-2. The second user input unit 130b may be disposed on the front surface of the second body 100B, specifically, the second front case 100B-1. The third and fourth user input units 130c and 130d, the microphone 123, and the interface unit 170 may be disposed in at least one of the second front case 100B-1 or the second rear case 100B-2. Can be.

The first to fourth user input units 130a, 130b, 130c, and 130d may be collectively referred to as the user input unit 130, and may be adopted in any manner as long as the user is tactile manner in a tactile manner. have.

For example, the user input unit 130 may be implemented as a dome switch or a touch pad that may receive a command or information by a user's push or touch operation, or may be operated by a wheel or jog method or a joystick that rotates a key. Or the like.

In functional terms, the first user input unit 130a is for inputting a command such as start, end, scroll, etc., and the second user input unit 130b is for inputting numbers, letters, symbols, and the like. In addition, the third and fourth user input units 130c and 130d may operate as hot-keys for activating a special function in the mobile terminal 100.

The microphone 123 may be implemented in a form suitable for receiving a user's voice, other sounds, and the like. The interface unit 170 serves as a passage for allowing the portable terminal according to the present invention to exchange data with an external device.

3 is a rear perspective view of the mobile terminal shown in FIG. 2. Referring to FIG. 3, a wheel type fifth user input unit 130e and a second camera 121b may be additionally mounted on the rear surface of the second rear case 100B-2 of the second body 100B. The sixth user input unit 130f may be disposed on the side surface of the second body 100B.

The second camera 121b may have a photographing direction substantially opposite to that of the first camera 121a, and may have different pixels from the first camera 121a. For example, the first camera 121a has a low pixel so that the user's face is photographed and transmitted to the counterpart in case of a video call, and the second camera 121b photographs a general subject and does not transmit it immediately. Since there are many, it is preferable to have a high pixel.

The flash 125 and the mirror 126 may be additionally disposed adjacent to the second camera 121b. The flash 125 emits light toward the subject when the subject is photographed by the second camera 121b. The mirror 126 allows the user to see his / her own face or the like when the user photographs herself (self-photographing) using the second camera 121b.

A second sound output module (not shown) may be further disposed on the second rear case 100B-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.

In addition, an antenna (not shown) for receiving a broadcast signal may be disposed on one side of the second rear case 100B-2 in addition to an antenna for a call. The antenna may be installed to be pulled out of the second body 100B. A portion of the slide module 100C for slidably coupling the first body 100A and the second body 100B is disposed on the first rear case 100A-2 side of the first body 100A. The other part of the slide module 100C may be disposed on the second front case 100B-1 side of the second body 100B and may not be exposed to the outside as shown in FIG. 3.

In the above description, the second camera 121b and the like are disposed on the second body 100B, but the present invention is not limited thereto. For example, at least one or more of the components described as disposed in the second rear case 100B-2, such as the second camera 121b, may be the first body 100A, mainly the first rear case 100A-2. It is also possible to mount on). In such a configuration, there is an advantage that the components disposed in the first rear case 100A-2 in the closed state are protected by the second body 100B. In addition, even if the second camera 121b is not separately provided, the first camera 121a may be rotatably formed to be able to photograph up to the photographing direction of the second camera 121b.

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

4 and 5 are views for explaining a multi view display used in a portable terminal according to an embodiment of the present invention. 4 and 5, a multi-view display capable of displaying different screens in three display directions will be described as an example.

4 (a) shows a general display. As shown in (a) of FIG. 4, the general display can only see the same screen even if the viewing angles of the users 40a, 40b, and 40c change.

In contrast, the multi-view display attaches a filter to limit the viewing angle for each pixel on the surface, and as shown in FIG. 4B, the user 41a, 41b, 41c can be used. You can see different screens as the viewing angle changes. For example, the users 41a, 41b, and 41c may view different screens in the front viewing angle area a, the left viewing angle area b, and the right viewing angle area c.

5 shows an example of a configuration of a multi-view display. Referring to FIG. 5, the multi view display includes a lower plate 10, an upper plate 30, and a liquid crystal layer 18 formed between the lower plate 10 and the upper plate 30. The top plate 30 includes a mask filter 22, a light blocking wall 24, and a color filter array 28, and the mask filter 22 is repeatedly arranged while the blocking pattern 21 and the transmission part 23 alternate with each other. Structure.

With such a configuration, when the display unit 151 is viewed in the front viewing angle region a, the blocking pattern 21 blocks light from the second and third pixel regions P2 and P3 and the transmission unit 23. ) Transmits light from the first pixel region P1. Accordingly, the screen displayed in the first pixel area P1 is displayed in the first display direction.

When the display unit 151 is viewed in the left viewing angle region b, the blocking pattern 21 blocks light from the first and third pixel regions P1 and P3, and the transmission unit 23 blocks the second pixel region. It transmits light from (P2). Accordingly, the screen displayed in the second pixel area P2 is displayed in the second display direction.

Similarly, when viewing the display unit 151 in the right viewing angle region c, the blocking pattern 21 blocks light from the first and second pixel regions P1 and P2, and the transmissive portion 23 includes The light from the three pixel areas P3 is transmitted. Accordingly, the screen displayed in the third pixel region P3 is displayed in the third display direction.

Therefore, the multi-view display unit may display different screens in the first display direction ①, the second display direction ②, and the third display direction ③. In addition, it may be configured to display different screens respectively in three or more display directions.

6 is a flowchart provided to explain a method for controlling a portable terminal according to an embodiment of the present invention. In the control method of the portable terminal according to the present embodiment, the display unit 151 uses a multi-view display capable of displaying different screens according to the display direction. Accordingly, the user may view different screens according to the viewing angle of the display unit 151. The use of a multi-view display is equally applicable to a control method of a portable terminal according to another embodiment described below.

Referring to FIG. 6, when a 3D video call connection is requested according to a user command (S200), the controller 180 controls the wireless communication unit 110 to connect the three or more counterparts to the multi-party video call (S205).

When the multi-party video call is connected, the controller 180 displays the first to third relative images received through the video call on the display unit 151 in the first to third display directions, respectively (S210). In this case, the first display direction is a direction perpendicular to the plane including the display unit 151 and corresponds to the front view angle area a described above. The second and third display directions correspond to the left viewing angle area b and the right viewing angle area c described above in a direction rotated by a predetermined angle counterclockwise or clockwise from the first display direction.

The controller 180 controls the relative image displayed in the first display direction to be reproduced at a normal frame rate, and the relative image displayed in the second and third display directions is reproduced at a lower frame rate (S215). ). For example, the relative image displayed in the first display direction may be reproduced at 30 frames per second, and the relative image displayed in the second and third display directions may be reproduced at 15 frames per second. In this way, the processing load can be reduced by reproducing at different frame rates for each display direction.

If the display unit 151 is rotated counterclockwise or clockwise, or if the user's position is detected (S220), the controller 180 corresponds to the front viewing angle area a based on the user. The relative image is controlled to be reproduced at a higher frame rate than other relative images (S225). The rotation of the display unit 151 may be determined by a value output from the motion sensor 145, and the user position may be measured by a motion or an optical sensor of the mobile terminal 100 detected by the motion sensor 145. It can be detected by tilting or the like.

If another function related to the video call is selected (S230), the controller 180 controls to perform an operation corresponding to the selected function (S235).

This process is repeatedly performed until the end of the video call is selected (S240). In addition, according to the above-described process, a plurality of counterpart images may be displayed by changing a display direction during a multi-party call, and a video call may be performed while watching a desired counterpart image according to a change in a viewing angle.

7 is a flowchart provided to explain a method for controlling a mobile terminal according to another embodiment of the present invention. Referring to FIG. 7, when the 3D broadcast viewing mode is selected according to a user command (S300), the controller 180 receives the tuned broadcast signal (S305), demodulates the received broadcast signal, and performs the first to first operations. The first to third broadcast screens are displayed on the display unit 151 in three display directions (S310). The first to third broadcast screens may be configured as broadcast screens corresponding to broadcast channels preset by a user.

In order to reduce the processing load, the broadcast picture displayed in the first display direction is reproduced at the normal frame rate, and the broadcast picture displayed in the second and third display directions is reproduced at a frame rate lower than the normal frame rate. Can be. Also. The sound signal for the broadcast screen displayed in the first display direction may be output through the sound output module 157, and the broadcast screen displayed in the second and third display directions may be output through a remote earphone such as a Bluetooth headset. have.

If there is a user input related to the first to third broadcast screens (S315), the controller 180 detects a user location (S320). The position of the user may be detected by the movement of the mobile terminal 100 sensed by the motion sensor 145 or the inclination measured by an optical sensor.

When the user position is detected, the controller 180 performs an operation corresponding to the user input on the broadcast screen selected from the first to third broadcast screens according to the detected user position (S325). In this case, the broadcast screen selected according to the user position is a broadcast screen corresponding to the front viewing angle region a described above with reference to the user. In addition, as described in the above-described embodiment according to the user's position, the frame rate of the broadcast screen may be changed and reproduced.

This process is repeatedly performed until the 3D broadcast viewing mode ends (S330). In addition, by such a process, the user can perform a necessary operation while watching a desired broadcast screen by an operation of rotating the display unit 151 without changing the screen.

8 to 17 are views for explaining a method of controlling a mobile terminal according to the present invention together with a screen displayed on a display unit. First, FIGS. 8 to 10 show examples of screens displayed by using the multi-view display.

8 and 9 illustrate examples of menu screens displaying different menus according to display directions. As shown in FIG. 8B, the menu screen 440 on which the first menu item is displayed in the first display direction is displayed, and as shown in FIGS. 8C and 8A, the second screen is displayed. And menu screens 450 and 460 on which the second and third menu items are displayed in the third display direction.

At this time, the upper menu screen is displayed in the first display direction, and the lower menu screen is displayed in the second and third display directions, so that the user may check the lower menu screen in advance according to the change of the viewing angle.

In addition, as shown in FIG. 9, a screen is displayed between the menu screen displayed in the first display direction and the menu screen displayed in the second or third display direction according to the left and right touch and drag inputs 443 through the display unit 151. The screen movement that is switched and displayed may be performed. In addition, the display may be configured to tilt the display unit 151 to the left or right, or to move the screen according to a key input through the user input unit.

10 illustrates an example of a screen displaying different operation states according to the display direction. As shown in FIG. 10B, the standby screen 470 is displayed in the first display direction, and as shown in FIGS. 10C and 10A, in the second and third display directions. The missed screen or message receiving screens 480 and 490 may be displayed. Accordingly, the user can check the event generated by changing only the viewing angle without changing the screen.

As such, by using the multi-view display, various information can be viewed by changing only the viewing angle without changing the screen. For example, when driving a calendar and a schedule menu, generally, only one screen of a year, month, week, and day can be inquired. However, when using a multi-view display, three screens can be simultaneously displayed. Since it can display, various information can be inquired easily.

In addition, when an operation state and additional information are displayed, a related indicator icon or information is generally displayed in a small size on the top of the screen of the display unit 151. However, when the multi-view display is applied, all of these indicator icons or information can be displayed in larger sizes on the sub screens in the second and third display directions. In this case, the user can easily check the state and increase the utilization of the main screen in the first display direction.

11 to 14 are views for explaining a control method of a mobile terminal according to the present invention in a 3D video call mode. When the 3D video call connection mode is selected, as shown in FIG. 11, the screen 510 on which the first relative image is displayed in the first display direction is displayed, and the second and third relatives are displayed in the second and third display directions. The screens 520 and 530 on which the image is displayed may be displayed. As described above, since different relative images can be displayed according to the display direction, the user can perform a video call while changing the viewing angle while viewing the relative images of the multiple counterparts. In addition, the screen 510 on which the first relative image is displayed may be reproduced at a normal frame rate, and the screens 520 and 530 on which the second and third relative images are displayed may be reproduced at a lower frame rate to reduce the overall processing load. have.

12 illustrates a state in which the screen viewed by the user 400 is switched. 12 illustrates a case in which the user 400 views the screen 520 in which the second relative image is displayed in the second display direction. In this case, the screen 520 in which the second relative image is detected by detecting the user position is shown in the normal frame rate. Screens 510 and 530 on which the first and third relative images are displayed can be reproduced at a lower frame rate. That is, the screen currently viewed by the user 400 may be reproduced at a normal frame rate, and the remaining screens may be reproduced at a lower frame rate.

FIG. 13 illustrates a case in which the touch input 550 is provided through any one of the screens 510, 520, and 530 on which the first to third relative images are displayed. When there is such a touch input 550, the user detects the relative image selected by the user by detecting a user position, and as shown in FIG. 14, displays the relative image selected by the user on the screen 560 displayed in the first display direction. I can display it.

FIG. 15 is a diagram for explaining a method of controlling a mobile terminal according to the present invention in a 3D broadcast viewing mode. As shown in Fig. 15B, the first broadcast screen 610 is displayed in the first display direction, and as shown in Figs. 14C and 14A, the second and third displays are shown. The second and third broadcast screens 620 and 630 may be displayed in the direction. As such, different broadcast screens can be simultaneously displayed according to the display direction, so that the user can watch various broadcasts by changing the viewing angle.

In addition, when there is a user input such as a touch input related to any one of the first to third broadcast screens 600, 610, and 620, the user 400 is among the first to third broadcast screens 600, 610, and 620. An operation corresponding to a touch input may be performed on the broadcast screen that is being viewed. In this case, the broadcast screen viewed by the user 400 may be grasped using a motion sensor such as a gyro sensor or an optical sensor.

16 illustrates a case of using a motion sensor such as a gyro sensor. As illustrated in FIG. 16, the mobile terminal 100 may detect the position of the user 400 by detecting the direction in which the mobile terminal 100 is rotated, and thus may determine which screen the user is viewing. For example, as shown in FIG. 16A, when the portable terminal 100 is rotated by a predetermined angle clockwise, the user 400 may be regarded as being on the left side of the portable terminal 100. Accordingly, the user 400 may determine that the user is watching the second broadcast screen 620 displayed in the third display direction. In this case, when the screen is touched or a key is pressed, an operation related to the third broadcast screen 620 may be performed.

17 illustrates a case where an optical sensor or the like is used. As illustrated in FIG. 17, the inclination from the optical sensor 700 or the like to the user 400 may be measured to determine whether the user 400 is located at the front, left, or right side of the mobile terminal 100. Accordingly, it is possible to determine which screen the user 400 is viewing and perform an operation related to the screen currently viewed by the user. .

In addition, the mobile terminal and its control method according to the present invention are not limited to the configuration and method of the embodiments described as described above, the embodiments are all or all of the embodiments so that various modifications can be made Some may be optionally combined.

Meanwhile, the present invention can be embodied as processor readable codes on a processor readable recording medium provided in a mobile terminal such as a mobile station modem (MSM). The processor-readable recording medium includes all kinds of recording devices that store data that can be read by the processor. Examples of the processor-readable recording medium include ROM, RAM, CD-ROM, magnetic tape, floppy disk, optical data storage device, and the like, and also include a carrier wave such as transmission through the Internet. The processor-readable recording medium can also be distributed over network coupled computer systems so that the processor-readable code is stored and executed in a distributed fashion.

In addition, although the preferred embodiment of the present invention has been shown and described above, the present invention is not limited to the specific embodiments described above, but the technical field to which the invention belongs without departing from the spirit of the invention claimed in the claims. Of course, various modifications can be made by those skilled in the art, and these modifications should not be individually understood from the technical spirit or the prospect of the present invention.

1 is a block diagram of a portable terminal according to an embodiment of the present invention;

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

3 is a rear perspective view of the mobile terminal shown in FIG. 2;

4 and 5 are views referred to for the description of the multi-view display,

6 is a flowchart provided to explain a method for controlling a mobile terminal according to an embodiment of the present invention;

7 is a flowchart provided to explain a method for controlling a portable terminal according to another embodiment of the present invention;

8 to 10 are diagrams showing examples of screens displayed using a multi-view display;

11 to 14 are views for explaining a control method of a mobile terminal according to the present invention in a 3D video call mode;

15 is a diagram referred to explain a method for controlling a mobile terminal according to the present invention in a 3D broadcast viewing mode; and

16 and 17 are views referred to for describing a method of detecting a user position in a control method of a mobile terminal according to the present invention.

Explanation of symbols on the main parts of the drawings

110: wireless communication unit 120: A / V input unit

130: user input unit 140: sensing unit

145: motion sensor 150: output unit

151: display unit 160: memory

170: interface unit 180: control unit

Claims (20)

Connecting a multiparty video call; And And providing a display unit capable of displaying different screens according to a display direction, and displaying first to third relative images received through the multi-party video call in the first to third display directions, respectively. Control method of a mobile terminal. The method of claim 1, The relative image displayed in the first display direction is reproduced at a higher frame rate than the relative image displayed in the second and third display directions. The method of claim 1, And reproducing the selected relative image among the first to third relative images at a higher frame rate than the other relative images according to the detected user position. The method of claim 3, And detecting the location of the user based on a value output from at least one of an optical sensor and a motion sensor. The method of claim 1, And reproducing the selected relative image among the first to third relative images at a higher frame rate than the other relative images according to the movement of the display unit. The method of claim 1, And displaying a relative image selected from among the first to third relative images in the first display direction, and displaying the remaining relative images in the second and third display directions. Way. The method of claim 1, And controlling the display direction of the first to third relative images to be displayed by switching each other according to a user input. A wireless communication unit for connecting a call for a multi-party video call; A display unit capable of displaying different screens according to the display direction; And And a controller configured to connect the multi-party video call through the wireless communication unit, and to display the first to third relative images received through the multi-party video call in the first to third display directions, respectively. terminal. The method of claim 8, And the control unit reproduces the relative image displayed in the first display direction at a higher frame rate than the relative image displayed in the second and third display directions. The method of claim 8, Further comprising a sensing unit for detecting a user location, The controller may be further configured to reproduce the selected relative image among the first to third relative images at a higher frame rate than other relative images according to the detected user position based on the signal output from the sensing unit. The method of claim 8, And the controller is configured to display a relative image selected from the first to third relative images in the first display direction, and to display the remaining relative images in the second and third display directions. Receiving a tuned broadcast signal; And And providing a display unit capable of displaying different screens according to the display direction, and displaying the first to third broadcast screens demodulated by the broadcast signal in the first to third display directions, respectively. Control method of a mobile terminal. The method of claim 12, And if the user input is received, performing an operation corresponding to the user input on the selected broadcast screen among the first to third broadcast screens according to the sensed user position. . The method of claim 13, And detecting the location of the user based on a value output from at least one of an optical sensor and a motion sensor. The method of claim 12, And the broadcast screen displayed in the first display direction is reproduced at a higher frame rate than the broadcast screen displayed in the second and third display directions. The method of claim 12, And setting a broadcast channel corresponding to the first to third broadcast screens. The method of claim 12, And displaying a broadcast screen selected from the first to third broadcast screens in the first display direction, and displaying the remaining broadcast screens in the second and third display directions. Way. A broadcast receiving module for receiving a broadcast signal; A display unit capable of displaying different screens according to the display direction; And And a controller configured to display the first to third broadcast screens demodulated from the broadcast signal in the first to third display directions, respectively. The method of claim 18, Further comprising a sensing unit for detecting a user location, The controller may perform an operation corresponding to the touch input on a broadcast screen selected from among the first to third broadcast screens according to a user's position detected based on a signal output from the sensing unit when the touch is input through the display unit. A portable terminal, characterized in that for controlling. The method of claim 18, And the control unit reproduces the broadcast screen displayed in the first display direction at a higher frame rate than the broadcast screen displayed in the second and third display directions.

Images