KR20130087117A - Mobile terminal and method for controlling the same - Google Patents

Abstract

The present invention provides a user interface (UI) for changing 3D depth and 3D depth information of the contents on a list of contents converted from 2D to 3D, so that 3D depth of desired content in the list can be changed according to a user's preference. It is to provide a terminal that can be changed and a control method thereof.

Description

Terminal and its control method {MOBILE TERMINAL AND METHOD FOR CONTROLLING THE SAME}

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 terminal such as a personal computer, a notebook computer, a mobile phone, or the like can be configured to perform various functions. Examples of such various functions may include a data and voice communication function, and take a picture or video through a camera, such as a digital TV, a personal computer, a notebook, a mobile phone, and the like. Examples of such various functions include a data and voice communication function, a function of photographing a video or a moving image through a camera, a voice storage function, a music file playback function through a speaker system, and an image or video display function. Some terminals include additional functions to execute games, and some other terminals are also implemented as multimedia devices. Moreover, recent terminals can receive a broadcast or multicast signal to view a video or television program.

In general, the terminal is movable The mobile terminal can be divided into a mobile terminal and a stationary terminal depending on whether the mobile terminal is portable or not, and the mobile terminal can be divided into a handheld terminal and a vehicle mount terminal.

As described above, terminals such as a digital TV, a notebook computer, a PC, a mobile phone, and a smartphone have a 3D converting function of converting 2D (Dimensional) content into 3D according to a user's request for providing various multimedia functions. .

As an example, a user may enjoy converting an existing 2D game into 3D using the 3D conversion function.

However, when the 2D content is converted to 3D and executed, the user may not know the 3D depth of the content to be converted into 3D in advance, and thus, when the excessive 3D depth is applied to the content, visual fatigue may occur. have.

SUMMARY OF THE INVENTION An object of the present invention is to provide a user interface (UI) for changing 3D depth and 3D depth information of the contents on a list of contents converted from 2D to 3D, so as to display desired contents in the list according to a user's preference. The present invention provides a terminal capable of changing 3D depth and a method of controlling the same.

According to an aspect of the present invention, there is provided a terminal including: a display unit configured to display a screen including an icon of contents converted from 2D to 3D; Control to display user interfaces providing respective 3D depth changing functions applied to the contents, and if a command for changing the 3D depth of the corresponding content is input through the UIs, And a control unit for changing the 3D depth.

According to another aspect of the present invention, there is provided a method of controlling a mobile terminal, the method including: displaying a screen including an icon of contents converted from 2D to 3D; Displaying user interfaces providing respective 3D depth change functions applied to the contents; If a command for changing the 3D depth of the corresponding content is input through the UI, changing the 3D depth of the corresponding content in accordance with the command.

The terminal and a control method thereof according to the present invention provide a 3D depth information of the contents and a UI (User Interface) for changing the 3D depth on a list of contents converted from 2D to 3D, before the user executes the contents. In addition, the 3D depth of the content can be recognized in advance, and the effect of changing the 3D depth of the content according to the user's preference is provided.

1 is a block diagram illustrating a mobile terminal according to an embodiment of the present invention.
2A is a front perspective view of an example of a mobile terminal according to the present invention;
FIG. 2B is a rear perspective view of the portable terminal shown in FIG. 2A.
3 is a conceptual diagram for explaining the principle of binocular disparity.
4 is a conceptual diagram for explaining a sense of distance and 3D depth due to binocular parallax.
FIG. 5 is a conceptual diagram illustrating a method of implementing 3D stereoscopic images in a view barrier type display unit applicable to embodiments of the present invention.
6 is a flowchart illustrating a process of providing 3D depth information and changing 3D depth of contents on a list of contents converted from 2D to 3D according to the present invention.
7 to 11 are screen explanatory diagrams illustrating a process of providing 3D depth information and changing 3D depth of contents on a list of contents converted from 2D to 3D according to the present invention.

Hereinafter, a terminal related to the present invention will be described in detail with reference to the accompanying drawings. The suffix "module" and " part "for the components used in the following description are given or mixed in consideration of ease of specification, and do not have their own meaning or role.

The terminal described herein includes a mobile phone, a smart phone, a laptop computer, a desktop computer, a digital broadcasting terminal, a personal digital assistant (PDA), a portable multimedia player (PMP), navigation, a digital TV, and the like. May be included.

Hereinafter, a terminal according to the present specification will be described as one of a smart phone, a mobile phone, and a digital TV having a 3D function, but the type of the terminal according to the present specification is not limited thereto. In other words, any device having a 3D function may be a terminal according to the present specification.

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

The 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 unit 160, and an interface unit. 170, the controller 180, the battery 190, and the like. The components shown in Fig. 1 are not essential, and a portable terminal having more or fewer components may be implemented.

Hereinafter, the components will be described in order.

The wireless communication unit 110 may include one or more modules for enabling wireless communication between the terminal 100 and the wireless communication system or between the terminal 100 and the network in which the terminal 100 is located. For example, the wireless communication unit 110 may include a broadcast receiving module 111, a mobile communication module 112, a wireless Internet module 113, a short range communication module 114, and a location information module 115 .

The broadcast receiving module 111 receives a broadcast signal and / or broadcast related information from an external broadcast management server through a broadcast channel.

The broadcast channel may include a satellite channel and a terrestrial channel. The broadcast management server may refer to a server for generating and transmitting broadcast signals and / or broadcast related information, or a server for receiving broadcast signals and / or broadcast related information generated by the broadcast management server and transmitting the generated broadcast signals and / or broadcast related information. The broadcast signal may include a TV broadcast signal, a radio broadcast signal, a data broadcast signal, and a broadcast signal in which a data broadcast signal is combined with a TV broadcast signal or a radio broadcast signal.

The broadcast-related information may refer to a broadcast channel, a broadcast program, or information related to a broadcast service provider. The broadcast related information may also be provided through a mobile communication network. In this case, it may be received by the mobile communication module 112.

The broadcast related information may exist in various forms. For example, 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).

For example, the broadcast receiving module 111 may be a Digital Multimedia Broadcasting-Terrestrial (DMB-T), a Digital Multimedia Broadcasting-Satellite (DMB-S), a Media Forward Link Only A digital broadcasting system such as DVB-CB, OMA-BCAST, or Integrated Services Digital Broadcast-Terrestrial (ISDB-T). Of course, the broadcast receiving module 111 may be adapted to other broadcasting systems as well as the digital broadcasting system described above.

The broadcast signal and / or broadcast related information received through the broadcast receiving module 111 may be stored in the memory 160.

The mobile communication module 112 transmits and receives radio signals to at least one of a base station, an external terminal, and a server on a mobile communication network. The wireless signal may include various types of data depending on a voice call signal, a video call signal or a text / multimedia message transmission / reception.

The wireless Internet module 113 is a module for wireless Internet access, and may be built in or externally attached to the terminal 100. 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 114 refers to a module for short range communication. Bluetooth, Radio Frequency Identification (RFID), infrared data association (IrDA), Ultra Wideband (UWB), ZigBee, and the like can be used as a short range communication technology.

The location information module 115 is a module for obtaining a location of a terminal, and a representative example thereof is a GPS (Global Position System) module. According to the current technology, the GPS module 115 calculates distance information and accurate time information from three or more satellites, and then applies trigonometry to the calculated information to obtain a three-dimensional string of latitude, longitude, The location information can be accurately calculated. At present, a method of calculating position and time information using three satellites and correcting an error of the calculated position and time information using another satellite is widely used. In addition, the GPS module 115 can calculate speed information by continuously calculating the current position in real time.

Referring to FIG. 1, an A / V (Audio / Video) input unit 120 is for inputting an audio signal or a video signal, and may include a camera 121 and a microphone 122. The camera 121 processes image frames such as still images or moving images obtained by the image sensor in the video call mode or the photographing mode. The processed image frame can be displayed on the display unit 151. [

The image frame processed by the camera 121 may be stored in the memory 160 or transmitted to the outside through the wireless communication unit 110. [

At this time, two or more cameras 121 may be provided depending on the use environment.

For example, the camera 121 may be provided with first and second cameras 121a and 121b for capturing 3D images on the opposite side of the display unit 151 of the terminal 100 and the terminal ( The third camera 121c may be provided at a portion of the surface of the display unit 151 of the 100 for self photographing by the user.

In this case, the first camera 121a is for capturing the left eye image, which is the source image of the 3D image, and the second camera 121b, for the right eye image capturing.

The microphone 122 receives an external sound signal through a microphone in a communication mode, a recording mode, a voice recognition mode, or the like, and processes it as electrical voice data. The processed voice data can be converted into a form that can be transmitted to the mobile communication base station through the mobile communication module 112 when the voice data is in the call mode, and output. Various noise reduction algorithms may be implemented in the microphone 122 to remove noise generated in receiving an external sound signal.

The user input unit 130 generates input data for a user to control the operation of the terminal.

The user input unit 130 may receive a signal from a user that designates two or more objects among the objects displayed on the display unit 151. The signal specifying two or more objects may be received through a touch input or may be received through a hard key and a soft key input.

The user input unit 130 may receive an input for selecting one or more objects from a user. In addition, an input for generating an icon related to a function that the terminal 100 can perform may be received from a user.

The user input unit 130 may include a directional keypad, a keypad, a dome switch, a touchpad (static / static), a jog wheel, a jog switch, and the like.

The sensing unit 140 senses the current state of the terminal 100 such as the open / close state of the terminal 100, the position of the terminal 100, the presence of the user, the orientation of the terminal, And generates a sensing signal for controlling the operation of the sensor. For example, when the terminal 100 is in the form of a slide phone, it is possible to sense whether the slide phone is opened or closed. It is also possible to sense whether the battery 190 is powered on, whether the interface unit 170 is connected to an external device, and the like. Meanwhile, the sensing unit 140 may include a proximity sensor 141. The proximity sensor 141 will be described later in relation to the touch screen.

The output unit 150 is for generating an output relating to visual, auditory or tactile sense and includes a display unit 151, an acoustic output module 152, an alarm unit 153, a haptic module 154, 155, and the like.

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

In addition, the display unit 151 according to the present invention supports 2D and 3D display modes.

That is, the display unit 151 according to the present invention may have a configuration in which the switch liquid crystal 151b is combined with a general display device 151a as shown in FIG. 5 below. 5 (a), the optical parallax barrier 50 is operated by using the switch liquid crystal 151b to control the traveling direction of the light, so that different lights can be separated from the left and right eyes. Therefore, when a combined image of the right eye image and the left eye image is displayed on the display device 151a, the user can see the image corresponding to each eye and feel as if it is displayed in three-dimensional form.

That is, under the control of the control unit 180, the display unit 151 drives only the display device 151a without driving the switch liquid crystal 151b and the optical parallax barrier 50 in the 2D display mode Performs normal 2D display operation.

The display unit 151 drives the switch liquid crystal 151b and the optical parallax barrier 50 and the display device 151a under the control of the controller 180 to display the display liquid crystal 151b, 151a to perform the 3D display operation.

The 3D display process of the display unit 151 will be described later in detail with reference to FIGS. 3 to 5.

The display unit 151 may be a liquid crystal display (LCD), a thin film transistor-liquid crystal display (TFT LCD), an organic light-emitting diode (OLED) A flexible display, and a three-dimensional display (3D display).

Some of these displays may be transparent or light transmissive so that they can be seen through. This can be referred to as a transparent display, and a typical example of the transparent display is TOLED (Transparent OLED) and the like. The rear structure of the display unit 151 may also be of a light transmission type. With this structure, the user can see an object located behind the terminal body through the area occupied by the display unit 151 of the terminal body.

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

When the display unit 151 and a sensor for detecting a touch operation (hereinafter, referred to as a touch sensor) form a mutual layer structure (hereinafter referred to as a touch screen), the display unit 151 may be configured in addition to an output device. Can also be used as an input device. The touch sensor may have the form of, for example, a touch film, a touch sheet, a touch pad, or the like.

The touch sensor may be configured to convert a change in a pressure applied to a specific portion of the display unit 151 or a capacitance generated in a specific portion of the display unit 151 into an electrical input signal. The touch sensor can be configured to detect not only the position and area to be touched but also the pressure at the time of touch.

If there is a touch input to the touch sensor, the corresponding signal (s) is sent to the touch controller (not shown). The touch controller processes the signal (s) and transmits the corresponding data to the controller 180. As a result, the controller 180 can know which area of the display unit 151 is touched.

The proximity sensor 141 may be disposed in an inner area of the portable terminal or in the vicinity of the touch screen, which is enclosed by the touch screen. The proximity sensor refers to a sensor that detects the presence or absence of an object approaching a predetermined detection surface or a nearby object without mechanical contact using the force of an electromagnetic field or infrared rays. The proximity sensor has a longer life span than the contact sensor and its utilization is also high.

Examples of the proximity sensor include a transmission photoelectric sensor, a direct reflection photoelectric sensor, a mirror reflection photoelectric sensor, a high frequency oscillation proximity sensor, a capacitive proximity sensor, a magnetic proximity sensor, and an infrared proximity sensor. And to detect the proximity of the pointer by the change of the electric field along the proximity of the pointer when the touch screen is electrostatic. In this case, the touch screen (touch sensor) may be classified as a proximity sensor.

Hereinafter, for convenience of explanation, the act of allowing the pointer to be recognized without being in contact with the touch screen so that the pointer is located on the touch screen is referred to as a "proximity touch", and the touch The act of actually touching the pointer on the screen is called "contact touch." The position where the pointer is proximately touched on the touch screen means a position where the pointer is vertically corresponding to the touch screen when the pointer is touched.

The proximity sensor detects a proximity touch and a proximity touch pattern (e.g., a proximity touch distance, a proximity touch direction, a proximity touch speed, a proximity touch time, a proximity touch position, a proximity touch movement state, and the like). Information corresponding to the detected proximity touch operation and the proximity touch pattern may be output on the touch screen.

The sound output module 152 may output audio data received from the wireless communication unit 110 or stored in the memory 160 in a call signal reception, a call mode or a recording mode, a voice recognition mode, a broadcast reception mode, and the like. The sound output module 152 also outputs sound signals related to functions (e.g., call signal reception sound, message reception sound, etc.) performed in the terminal 100. [ The audio output module 152 may include a receiver, a speaker, a buzzer, and the like.

The alarm unit 153 outputs a signal for notifying the occurrence of an event of the terminal 100. Examples of events that occur in a terminal include receiving a call signal, receiving a message, inputting a key signal, and touch input. The alarm unit 153 may output a signal for notifying the occurrence of an event in a form other than the video signal or the audio signal, for example, vibration. In this case, the display unit 151 and the audio output module 152 may be a type of the alarm unit 153. The display unit 151 and the audio output module 152 may be connected to the display unit 151 or the audio output module 152, .

The haptic module 154 generates various tactile effects that the user can feel. A typical example of the haptic effect generated by the haptic module 154 is vibration. The intensity and pattern of vibration generated by the haptic module 154 can be controlled. For example, different vibrations may be synthesized and output or sequentially output.

In addition to vibration, the haptic module 154 may be configured to provide a pin array that vertically moves with respect to the contact skin surface, a jetting force or suction force of air through an injection or inlet port, grazing to the skin surface, contact of an electrode, electrostatic force, and the like. Various tactile effects can be generated, such as effects by the endothermic and the reproduction of a sense of cold using the elements capable of endotherm or heat generation.

The haptic module 154 can be implemented not only to transmit the tactile effect through the direct contact but also to allow the user to feel the tactile effect through the muscular sensation of the finger or arm. Two or more haptic modules 154 may be provided according to a configuration aspect of the terminal 100.

The projector module 155 is a component for performing an image project function using the terminal 100 and is identical to an image displayed on the display unit 151 according to a control signal of the controller 180. At least some of the other images may be displayed on an external screen or wall.

Specifically, the projector module 155 includes a light source (not shown) that generates light (for example, laser light) for outputting an image to the outside, a light source And a lens (not shown) for enlarging and outputting the image at a predetermined focal distance to the outside. Further, the projector module 155 may include a device (not shown) capable of mechanically moving the lens or the entire module to adjust the image projection direction.

The projector module 155 can be divided into a CRT (Cathode Ray Tube) module, an LCD (Liquid Crystal Display) module and a DLP (Digital Light Processing) module according to the type of the display means. In particular, the DLP module may be advantageous for miniaturization of the projector module 151 by enlarging and projecting an image generated by reflecting light generated from a light source on a DMD (Digital Micromirror Device) chip.

Preferably, the projector module 155 may be provided in the longitudinal direction on the side, front or back of the terminal 100. Of course, the projector module 155 may be provided at any position of the terminal 100 as necessary.

The memory 160 may store a program for processing and controlling the controller 180 and may store the input / output data (e.g., a telephone directory, a message, an audio, a still image, an electronic book, History, and the like). The memory 160 may also store the frequency of use of each of the data (for example, each telephone number, each message, and frequency of use for each multimedia). In addition, the memory unit 160 may store data on vibration and sound of various patterns output when the touch is input on the touch screen.

The memory 160 may be a flash memory type, a hard disk type, a multimedia card micro type, a card type memory (for example, SD or XD memory, etc.) ), A random access memory (RAM), a static random access memory (SRAM), a read-only memory (ROM), an electrically erasable programmable read-only memory (EEPROM), a programmable read- A magnetic disk, an optical disk, a memory, a magnetic disk, or an optical disk. The terminal 100 may operate in association with a web storage that performs a storage function of the memory 160 on the Internet.

The interface unit 170 serves as a path for communication with all external devices connected to the terminal 100. The interface unit 170 receives data from an external device or supplies power to each component in the terminal 100 or transmits data to the external device. For example, a wired / wireless headset port, an external charger port, a wired / wireless data port, a memory card port, a port for connecting a device having an identification module, an audio I / O port, A video input / output (I / O) port, an earphone port, and the like may be included in the interface unit 170.

The identification module is a chip that stores various information for authenticating the use authority of the terminal 100, and includes a user identification module (UIM), a subscriber identify module (SIM), and a universal user authentication module (Universal). Subscriber Identity Module, USIM) and the like. Devices with identification modules (hereinafter referred to as "identification devices") can be manufactured in a smart card format. Accordingly, the identification device can be connected to the terminal 100 through the port.

The interface unit may be a passage through which power from the cradle is supplied to the portable terminal 100 when the terminal 100 is connected to an external cradle, or various command signals input from the cradle by a user to the portable terminal. It can be a passage to be delivered. Various command signals input from the cradle or the power source may be operated as a signal for recognizing that the terminal is correctly mounted on the cradle.

The controller 180 typically controls the overall operation of the terminal 100. For example, voice communication, data communication, video communication, and the like. The control unit 180 may include a multimedia module 181 for multimedia playback. The multimedia module 181 may be implemented in the control unit 180 or may be implemented separately from the control unit 180. [

The controller 180 may perform a pattern recognition process for recognizing handwriting input or drawing input performed on the touch screen as characters and images, respectively.

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 various embodiments described herein may be embodied in a recording medium readable by a computer or similar device using, for example, software, hardware, or a combination thereof.

According to a hardware implementation, the embodiments described herein include application specific integrated circuits (ASICs), digital signal processors (DSPs), digital signal processing devices (DSPDs), programmable logic devices (PLDs), field programmable gate arrays (FPGAs), and the like. It may be implemented using at least one of processors, controllers, micro-controllers, microprocessors, and electrical units for performing other functions. The described embodiments may be implemented by the controller 180 itself.

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

Figure 2a is a front perspective view of an example of a terminal related to the present invention.

The disclosed terminal 100 has a bar-shaped body. However, the present invention is not limited thereto, and can be applied to various structures such as a slide type, a folder type, a swing type, and a swivel type in which two or more bodies are relatively movably coupled.

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

The cases may be formed by injecting synthetic resin or may be formed of a metal material, for example, a metal material such as stainless steel (STS) or titanium (Ti).

The mobile terminal body, mainly the front case 101, includes a display unit 151, an audio output unit 152, a third camera 121c, a user input unit 130/131, 132, a microphone 122, an interface 170, and the like. Can be arranged.

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

The user input unit 130 is manipulated to receive a command for controlling the operation of the terminal 100 and may include a plurality of manipulation units 131 and 132. The operation units 131 and 132 may be collectively referred to as a manipulating portion.

The content input by the first or second manipulation units 131 and 132 may be variously set. For example, the first operation unit 131 receives commands such as start, end, scroll, and the like, and the second operation unit 132 controls the size of the sound output from the sound output unit 152 or the size of the sound output from the display unit 151 The touch recognition mode can be activated or deactivated.

The third camera 121c may be a camera having a photographing direction substantially opposite to the first and second cameras 121a and 121b and having the same or different pixels as the first and second cameras 121a and 121b. have.

The flash 123 and the mirror 124 may be further disposed adjacent to the third camera 121c. The flash 123 shines light toward the subject when the subject is photographed by the third camera 121c. The mirror 124 allows the user to see his / her own face or the like when photographing (self-photographing) the user using the third camera 121c.

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

Referring to FIG. 2B, first and second cameras 121a and 121b for capturing 3D images may be additionally mounted on the rear of the terminal body, that is, the rear case 102.

In this case, the first and second cameras 121a and 121b may capture a general 2D image in addition to the 3D image function.

The first and second cameras 121a and 121b have a photographing direction substantially opposite to the third camera 121c and may be cameras having the same or different pixels as the third camera 121c.

For example, the third camera 121c has a low pixel so that the user's face is photographed and transmitted to the counterpart in a video call or the like, and the first and second cameras 121a and 121b may use a general subject. It is desirable to have a high pixel because it is often photographed and not immediately transmitted.

The sound output module 152 'may be further disposed on the rear side of the portable terminal body. The sound output unit 152 ′ may implement a stereo function together with the sound output module 152 (see FIG. 2A), and may be used to implement a speakerphone mode during a call.

In addition to the antenna for a call or the like, an antenna 116 for receiving a broadcast signal may be additionally disposed on the side of the portable terminal body. The antenna 116 constituting a part of the broadcast receiving module 111 (refer to FIG. 1) may be installed to be pulled out from the terminal body.

The terminal body is equipped with a power supply unit 190 for supplying power to the terminal 100. The power supply unit 190 may be built in the terminal body or may be directly detachable from the outside of the terminal body.

The rear case 102 may further include a touch pad 135 for sensing a touch. The touch pad 135 may be of a light transmission type for the display unit 151. [ In this case, if the display unit 151 is configured to output the time information on both sides (i.e., in the directions of both the front and back sides of the mobile terminal), the time information can be recognized through the touch pad 135 do. The information output on both sides may be all controlled by the touch pad 135. [

Meanwhile, the display for exclusive use of the touch pad 135 may be separately installed, so that the touch screen may be disposed in the rear case 102 as well.

The touch pad 135 operates in association with the display unit 151 of the front case 101. The touch pad 135 may be disposed parallel to the rear of the display unit 151. The touch pad 135 may have a size equal to or smaller than that of the display unit 151.

Hereinafter, a control process related to 3D conversion of an image of a terminal applicable to embodiments of the present invention will be described.

Stereoscopic images that may be implemented on the display unit 151 of the terminal 100 may be largely classified into two categories. The criterion for this classification is whether or not different images are provided in both eyes.

First, the first stereoscopic image category will be described.

The first category is a method in which the same image is provided in both eyes (monoscopic), which can be implemented as a general display unit. More specifically, the controller 180 arranges a polyhedron generated through one or more points, lines, planes, or a combination thereof in a virtual three-dimensional space, and displays an image viewed from a specific viewpoint on the display unit 151. That's how. Therefore, the substantial part of such a stereoscopic image can be referred to as a planar image.

The second category is a stereo scopic method in which different images are provided in both eyes. It is a method using a principle of feeling a three-dimensional feeling when a human is looking at an object with the naked eye. In other words, the two eyes of a person see different plane images when they see the same thing by the distance between them. These different planar images are transmitted to the brain through the retina, and the brain fuses them to feel the depth and reality of the stereoscopic image. Therefore, binocular disparity due to the distance between the two eyes makes a sense of stereoscopic effect, and this binocular disparity becomes the most important element of the second category. This binocular disparity will be described in more detail with reference to Fig.

3 is a conceptual diagram for explaining the principle of binocular disparity.

In FIG. 3, it is assumed that the cube 31 is viewed with the naked eye in front of the eye level. In this case, the left eye planar image 32 is seen in which only three surfaces of the top, front, and left sides of the hexahedron 31 are visible. In addition, as the right eye, the right eye planar image 33 showing only three surfaces of the top, front, and right sides of the cube 31 is visible.

If the left eye plane image 32 is reached in the left eye and the right eye plane image 33 is reached in the right eye, even if the object is not actually an object in front of the eye, the person may feel as if the person actually sees the cube 31.

As a result, in order to implement the stereoscopic image of the second category in the terminal 100, the left eye image and the right eye image, which have been seen with the same object with a predetermined time difference, must be reached through the display unit. Next, the 3D depth due to binocular disparity will be described with reference to FIG. 4.

4 is a conceptual diagram for explaining a sense of distance and 3D depth due to binocular parallax.

Referring to FIG. 4, when the hexahedron 40 is viewed at a distance d1 through both eyes, the lateral gravity of an image that enters each eye is relatively higher than that of the hexahedron 40 at a d2 distance, The difference is also great. In addition, the degree of three-dimensional feeling that a person feels when viewing the cube 40 at a distance d1 is greater than when the cube 40 is viewed at a distance d2. In other words, when a person looks at an object through both eyes, the closer to the object, the greater the three-dimensional feeling, and the farther the object, the less the three-dimensional feeling.

This difference in stereoscopic dimensions can be quantified to 3D depth or 3D level.

Next, an implementation method of the 3D stereoscopic image will be described.

As described above, in order to realize a 3D stereoscopic image, it is necessary that the right eye image and the left eye image are divided into two and reach the binocular. Various methods for this are described below.

1) Parallax barrier method

The parallax barrier method is a method of controlling a light propagation direction by electronically driving a blocking device provided between a general display unit and both eyes so that different images may be reached in both eyes.

This will be described with reference to FIG.

FIG. 5 is a conceptual diagram illustrating a method of implementing 3D stereoscopic images in a view barrier type display unit applicable to embodiments of the present invention.

The structure of the display barrier type display unit 151 for displaying a 3D stereoscopic image may have a configuration in which the switch liquid crystal 151b is combined with a general display device 151a. Using the switch liquid crystal 151b, the optical parallax barrier 50 may be operated as shown in FIG. 5 (a) to control the traveling direction of the light to separate the light to reach the left and right eyes. Therefore, when an image in which a right eye image and a left eye image are combined is displayed on the display device 151a, the image corresponding to each eye is seen from the user's point of view as if it is displayed in three dimensions.

In addition, as shown in FIG. 5B, the parallax barrier 50 by the switch liquid crystal is electrically controlled so that all of the light is transmitted, thereby eliminating separation of the light by the parallax barrier so that the same image can be seen by the left and right eyes. It may be. In this case, the same function as that of the general display unit may be performed.

5 illustrates that the parallax barrier moves in parallel in one axial direction, but the present invention is not limited thereto, and a parallax barrier capable of moving in parallel in two or more axial directions according to a control signal of the controller 180 may be used. have.

2) Lens refraction method

The lens refraction method (lenticular) is a method using a lenticular screen provided between a display part and a binocular eye, and a method of refracting a traveling direction of light through lenses on a lenticular screen so that different images are reached in both eyes.

3) polarized glasses system

Polarized light is polarized so that the directions of polarization are orthogonal to each other to provide different images in both directions or in the case of the circular polarized light so that the directions of rotation are different from each other.

4) Active shutter method

Eye image is alternately displayed at a predetermined cycle through the display unit and the user's eyeglasses are arranged such that when the image in the corresponding direction is displayed, the shutter in the opposite direction is closed, To reach the eye. That is, during the time when the left eye image is displayed, the shutter of the right eye is closed to allow the left eye image to be reached only in the left eye, and the shutter of the left eye is closed during the time when the right eye image is displayed.

It is assumed that the portable terminal according to an embodiment of the present invention described below can provide a 3D image to a user through the display unit 151 through any one of the above-described methods.

However, since the principle of the 3D image described above with reference to FIGS. 4 and 5 is a situation that assumes a three-dimensional object, the shape of the object is different in the left eye image and the right eye image. However, in the case of a planar object instead of a three-dimensional object, the shape of the object is the same in the left eye image and the right eye image. However, if the position where the object is arranged in each image is different, the user may feel the perspective of the object. In the present specification, for the sake of understanding, it is assumed that the stereoscopic image appearing below is a plane object. Of course, it is apparent that the present invention can be applied to a three-dimensional object.

Hereinafter, a process of changing the 3D depth applied to the contents on the list of contents converted from 2D to 3D according to the present invention will be described in detail with reference to FIGS. 6 to 11.

6 is a flowchart illustrating a process of providing 3D depth information and changing 3D depth of contents on a list of contents converted from 2D to 3D according to the present invention.

7 to 11 are screen explanatory diagrams illustrating a process of providing 3D depth information and changing 3D depth of contents on a list of contents converted from 2D to 3D according to the present invention.

Referring to FIG. 6, the controller 180 displays a screen including an icon of contents previously converted from 2D to 3D on the display unit 151 [S110].

In this case, the contents may be received from an external terminal or an external content providing server through the wireless communication unit 110, and may be a multimedia, a video, a game, an application, or the like.

In addition, the memory 160 includes 3D converting software for converting 2D content into 3D content, and the controller 180 converts 2D content designated by a user into 3D content through the 3D converting software, and converts the converted 3D. A list containing the contents can be displayed.

In addition, the controller 180 can display the icons representing the 3D-converted content in a list manner arranged by line, and also display the icons in a grid manner in the form of thumbnail images. You may.

If the icons of the contents are displayed, the controller 180 determines the degree of 3D depth applied to each of the contents, and displays 3D depth information indicating the degree of 3D depth of each of the identified contents [S120]. .

In addition, the controller 180 displays a user interface (hereinafter, referred to as “UI”) that provides respective 3D depth changing functions applied to the contents [S130], and displays the corresponding contents through the UIs. When a command for changing the 3D depth is input, the 3D depth of the corresponding contents is changed according to the command [S140].

Hereinafter, a process of providing 3D depth information and 3D depth change of the contents in the list when the contents are displayed in a list manner will be described in detail with reference to FIGS. 7 to 9, and with reference to FIGS. 10 and 11. When the contents are displayed in a grid manner, a process of providing 3D depth information and changing 3D depth of the contents in the grid will be described in detail.

First, FIG. 7A illustrates that the contents 311, 312, and 313 converted from 2D to 3D are arranged and displayed in the list method 300.

When the contents 311, 312, and 313 are displayed, the controller 180 determines a degree of 3D depth applied to the contents 311, 312, and 313, and determines the detected contents 311, 312, and 313. 313) 3D depth information 311A, 312A, and 313A representing respective 3D depth degrees are displayed in a line in which the contents 311, 312, and 313 are displayed in the list 300, respectively.

In the following FIGS. 7 to 11, it is assumed that the highest level of 3D depth applied to contents is 5 and the lowest level is 1. The highest level of 3D depth is the depth level that is closest to the user, and the lowest level of the 3D depth is the depth level of the farthest to the user.

That is, the user can previously view the corresponding contents 311, 312, and 313 through the respective 3D depth information 311A, 312A, and 313A displayed in the list 300 before executing the contents 311, 312, and 313. You can feel the 3D depth.

In this case, in the present invention, the user can change the excessive or insufficient 3D depth among the contents 311, 312, and 313 recognized through the 3D depth information 311A, 312A, and 313A in the list 300. UIs that provide a 3D depth change function of the contents 311, 312, 313 are provided in the list.

That is, the controller 180 may include UIs 311B, 312B, and 313B that provide a 3D depth change function of each of the contents 311, 312, and 313 in the list 300. , 313 is displayed together with the 3D depth information 311A, 312A, and 313A in the indicated line.

In this case, the controller 180 does not individually display the 3D depth information 311A, 312A, and 313A and the UIs 311B, 312B, and 313B on a corresponding line in the list 300, and the UIs 311B, Corresponding 3D depth information 311A, 312A, and 313A may be displayed in 312B and 313B, respectively.

For example, FIG. 7 illustrates that the UIs 311B, 312B, and 313B are displayed in the form of buttons representing different 3D depth levels (1 to 5 levels).

That is, as shown in (a) of FIG. 7, when the '2' 3D depth level is selected through the UI 313B for changing the 3D depth of the third content 313, the controller 180 of FIG. As shown in (b), the '5' 3D depth level previously applied to the third content 313 is changed to the selected '2' 3D depth level.

As another example, FIG. 8 illustrates that the UIs 311B, 312B, and 313B are displayed in the form of progressive bars divided into different 3D depth levels (1 to 5 levels).

That is, as shown in (a) of FIG. 8, the controller 180 indicates that the bar of the UI 313C for changing the 3D depth of the third content 313 is '2' at the '5' 3D depth level. 'When moved to a position corresponding to the 3D depth level, as shown in (b) of FIG. 8, the' 5 '3D depth level previously applied to the third content 313 is' 2' of the position where the bar is moved. Change to the 3D depth level.

Next, FIG. 9 is according to the user's pinching-in / out multi-touch, without UIs providing the 3D depth change function of each of the contents 311, 312, and 313 described in FIGS. 7 and 8. A process of changing the 3D depth level of the corresponding content is shown.

In this case, in the pinching-in multi-touch, the first and second points on a specific content are multi-touched, and the first and second points are maintained while the multi-touch between the first and second points is maintained. It refers to a touch method in which the multi-touch distance between points is gradually reduced. In addition, the pinching-out multi-touch refers to a touch type in which a multi-touch distance between the first and second points is gradually increased.

That is, as illustrated in (a) of FIG. 9, when the pinch-in multi-touch is input on the third content 313 in the list 300, the controller 180 may input the pinch-in multi-touch. Reduces the 3D depth level applied to the third content 313 corresponding to the decreasing distance of.

That is, as shown in (a) of FIG. 9, the 3D depth level 313A applied to the third content 313 was a '5' level, but as shown in FIG. The '5' 3D depth level of the third content 313 is reduced to a '2' 3D depth level corresponding to the reduction distance of the pinching-in multi-touch.

In addition, as illustrated in FIG. 9B, when the pinching-out multitouch is input on the third content 313 in the list 300, the controller 180 may input the pinching-out multitouch. The 3D depth level applied to the third content 313 is increased corresponding to the increasing distance of.

That is, as shown in FIG. 9B, the 3D depth level 313A of the third content 313 is changed to the '2' level according to the pinching-in multi-touch, but FIG. As shown in FIG. 3, the '2' 3D depth level of the third content 313 is increased back to a '4' 3D depth level corresponding to the increasing distance of the pinching-out multi-touch.

Next, FIG. 10A illustrates that the contents 411, 412, 413, and 414 converted from 2D to 3D are displayed in a grid manner 400, and the controller 180 displays the contents. 411, 412, 413, and 414 may be displayed in the form of an icon or a thumbnail image.

In this case, when the contents 411, 412, 413, 414 are displayed in the form of an icon, as shown in FIG. 10A, the controller 180 controls the contents 411, 412, 413, 414. ) 3D depth level currently applied to the information, and the information (411A, 412A, 413A, 414A) indicating the identified 3D depth level can be displayed on the icons of the corresponding content (411, 412, 413, 414), respectively. . That is, the user reports the 3D depth information 411A, 412A, 413A, 414A displayed on each of the contents 411, 412, 413, 414, before executing the contents 411, 412, 413, 414. The 3D depth levels of the contents 411, 412, 413, and 414 may be grasped in advance, and the 3D depth level of the desired content may be changed according to the processes of FIGS. 6 to 9.

In this case, although not shown in FIG. 10, the controller 180 may provide the UIs according to FIGS. 7 and 8 to the user around the respective contents 411, 412, 413, and 414.

Meanwhile, the 3D depth level currently applied to the contents 411, 412, 413, and 414 may be the 3D depth level initially applied to the contents 411, 412, 413, and 414. It may be a 3D depth level changed by the user according to the process of FIGS. 6 to 9.

In addition, when the contents 411, 412, 413, and 414 are displayed in the form of thumbnails, the controller 180 may apply the 3D depth level of each of the contents 411, 412, 413, and 414. Representative images of may be displayed in thumbnails of the corresponding contents 411, 412, 413, and 414.

In addition, the controller 180 simultaneously executes the contents 411, 412, 413, and 414, and displays an execution screen of the contents 411, 412, 413, and 414 in a preview form in the corresponding thumbnail, respectively. It may be.

That is, the user can view thumbnails of each of the contents 411, 412, 413, and 414, and grasp the 3D depth level of the contents 411, 412, 413, and 414 in advance, and also, as shown in FIGS. 6 to 9. According to the process, the 3D depth level of the desired content can be changed.

As shown in FIG. 10A, when the pinching-in multi-touch is input on the third content 413, the controller 180 corresponds to the reduced distance of the input pinching-in multi-touch. Reduces the 3D depth level applied to the 3 content 313.

That is, as shown in (a) of FIG. 10, the 3D depth level 313A applied to the third content 313 was '5' level, but as shown in (b) of FIG. The '2' 3D depth level of the third content 313 is reduced to a '2' 3D depth level corresponding to the reduction distance of the pinching-in multi-touch.

In addition, as illustrated in FIG. 10B, when the pinching-out multitouch is input on the third content 313, the controller 180 may correspond to the increased distance of the input pinching-out multitouch. The 3D depth level applied to the third content 313 is increased.

That is, as shown in (b) of FIG. 10, the 3D depth level 313A of the third content 313 is changed to the '2' level according to the pinching-in multi-touch. As shown in FIG. 3, the '2' 3D depth level of the third content 313 is increased back to a '5' 3D depth level corresponding to the increasing distance of the pinching-out multi-touch.

Finally, FIG. 11 identifies the 3D depth level already applied to the content 411, 412, 413, 414 or modified according to the invention via icons or thumbnails of the content 411, 412, 413, 414. The process of changing the shape of the icons or thumbnails is shown.

First, referring to FIG. 11A, if the initial contents 411, 412, 413, and 414 are converted from 2D to 3D or the 3D depth level is changed according to the present invention, the content is changed. Identify the 3D depth level applied to the fields 411, 412, 413, 414, and determine the 3D depth level of the identified contents 411, 412, 413, 414 from the contents 411, 412, 413, 414. The same applies to the icons in.

That is, the user checks the 3D depth level applied to each of the icons of the contents 411, 412, 413, and 414, and before executing the contents 411, 412, 413, and 414, the contents in advance. The 3D depth levels of 411, 412, 413, and 414 may be known in advance, and the 3D depth levels of desired content may be changed according to the processes of FIGS. 6 to 10.

Next, referring to FIG. 11B, when the initial contents 411, 412, 413, and 414 are converted from 2D to 3D or the 3D depth level is changed according to the present invention, Determine the 3D depth level applied to the contents 411, 412, 413, 414, and correspond to the size of the 3D depth level of the identified contents 411, 412, 413, 414. 412, 413, 414 to change the size of the icons.

For example, the 3D depth level size ranking of the contents 411, 412, 413, and 414 is in the order of third content 413> second content 412> first content 411> fourth content 414. to be.

That is, the controller 180 determines the icon of the third content 413> the icon of the second content 412> the first content 411 according to the 3D depth level size ranking of the contents 411, 412, 413, 414. Icon)> the size of the corresponding icon is changed by the icon ranking of the fourth content 414.

That is, the user checks the size of the icons of the contents 411, 412, 413, 414, and before executing the contents 411, 412, 413, 414, the contents 411, 412, 3D depth levels 413 and 414 can be known in advance, and the 3D depth levels of desired content can be changed according to the processes of FIGS. 6 to 10.

Finally, referring to FIG. 11C, if the initial contents 411, 412, 413, 414 are converted from 2D to 3D or the 3D depth level is changed according to the present invention, Identify the 3D depth level applied to the contents 411, 412, 413, and 414, and determine the contents 411, 412, and 3D depth levels of the identified contents 411, 412, 413, and 414. 413, 414 rearrange the icons.

That is, the user checks the order in which the icons of the contents 411, 412, 413, and 414 are sorted, and before the contents 411, 412, 413, and 414 are executed, the contents 411, The 3D depth levels of 412, 413, and 414 can be known in advance, and the 3D depth levels of desired content can be changed according to the processes of FIGS. 6 to 10.

It will be apparent to those skilled in the art that the present invention may be embodied in other specific forms without departing from the spirit or essential characteristics thereof.

The present invention described above can be embodied as computer-readable codes on a medium on which a program is recorded. The computer readable medium includes all kinds of recording devices in which data that can be read by a computer system is stored. Examples of computer-readable media include ROM, RAM, CD-ROM, magnetic tape, floppy disks, optical data storage devices, and the like, which are also implemented in the form of carrier waves (eg, transmission over the Internet). It also includes. Also, the computer may include a control unit 180 of the terminal.

Accordingly, the above detailed description should not be construed as limiting in all aspects and should be considered as illustrative. The scope of the invention should be determined by reasonable interpretation of the appended claims, and all changes within the equivalent scope of the invention are included in the scope of the invention.

The above-described portable terminal and its control method may not be limitedly applied to the configuration and method of the above-described embodiments, but the embodiments may be selectively or partially replaced with each other so that various modifications may be made. It may be configured in combination.

100: terminal 110: wireless communication unit
111: broadcast receiver 112: mobile communication module
113 wireless Internet module 114 short-range communication module
115: Position information module 120: A / V input section
121: camera 122: microphone
130: user input unit 140: sensing unit
141: proximity sensor 150: output section
151: Display unit 152: Acoustic output module
153: Alarm module 154: Haptic module
155: Projector Module 160: Memory
170: interface unit 180: control unit
181: multimedia module 190: battery

Claims (8)

A display unit configured to display a screen including icons of contents converted from 2D (Dimensional) to 3D; And
Control to display user interfaces providing respective 3D depth changing functions applied to the contents, and if a command for changing the 3D depth of the corresponding content is input through the UIs, And a control unit for changing the 3D depth. The method according to claim 1,
The control unit, characterized in that to grasp the degree of 3D depth applied to the corresponding content to each of the UI, and to display the information indicating the degree of the detected 3D depth. The method according to claim 1,
The display unit displays a list including an icon of the contents,
The control unit is characterized in that for displaying the corresponding UI in each line in which the icon of the content in the list is located. The method of claim 3,
The UIs are each displayed in a progressive bar shape divided into different 3D depth levels,
The controller, if a specific 3D depth level is selected in the progressive bar, characterized in that the terminal applies the selected 3D depth level to the content. The method according to claim 1,
The controller is configured to display the same 3D depth applied to the corresponding contents to each of the icons so that the 3D depth already applied to the contents or changed through the UI is identified through the icons of the contents. Terminal. The method according to claim 1,
The control unit, characterized in that for changing the icon size of the content corresponding to the 3D depth already applied to the content or changed through the UI. The method according to claim 1,
The control unit, characterized in that to arrange the icons of the content in order of the 3D depth size already applied to the content or changed through the UI. Displaying a screen including icons of contents converted from 2D (Dimensional) to 3D;
Displaying user interfaces providing respective 3D depth change functions applied to the contents; And
And changing a 3D depth of the corresponding contents according to the command if a command for changing the 3D depth of the corresponding contents is input through the UIs.

Images