KR20120000671A - Mobile terminal and method for controlling display thereof - Google Patents

Abstract

PURPOSE: A mobile terminal and a method for controlling display thereof are provided to determine whether information of an external object which penetrates a transparent display unit is changed or not and to inform the determined result changed information to a user. CONSTITUTION: A transparent display unit transmits an external object. A controller(180) obtains reference information about information corresponding to the external object. The controller determines the information corresponding to the external object is changed or not based on the obtained standard information. The transparent display unit displays the reference information corresponding to the changed information among the obtained reference information about the external object if it is determined as information corresponding to the external object is changed.

Description

Mobile terminal and method for controlling display thereof

The present invention relates to a mobile terminal performing a display function using a transparent display unit and a display control method thereof.

The terminal can move And can be divided into a mobile / portable terminal and a stationary terminal depending on whether the mobile terminal is a mobile terminal or a mobile terminal. The mobile terminal may be further classified into a handheld terminal and a vehicle mount terminal according to whether a user can directly carry it.

Such a terminal has various functions, for example, in the form of a multimedia device having multiple functions such as photographing and photographing of a moving picture, reproduction of a music or video file, reception of a game and broadcasting, etc. .

In order to support and increase the function of such a terminal, it may be considered to improve the structural part and / or the software part of the terminal.

According to the related art, a mobile terminal performing a transparent display function may transmit an external object through the transparent display unit. Therefore, it is possible to provide an effect of displaying an external object located directly behind the mobile terminal on the transparent display unit.

However, according to the above-described conventional technology, not only whether the changed information exists among the information about the external object passing through the transparent display unit can be determined, and even if the changed information exists, the user can be notified of the changed information. There is no problem.

In order to solve the above problems, it is to provide a mobile terminal and a display control method thereof that can determine whether to change the information on the external object passing through the transparent display unit and inform the user of the changed information as a result of the determination. have.

In order to achieve the above object, the mobile terminal according to the present invention, a transparent display unit for transmitting an external object; And a controller configured to acquire reference information about the information corresponding to the external object and determine whether to change the information corresponding to the external object based on the obtained reference information.

Here, when it is determined that the information corresponding to the external object is changed under the control of the controller, the transparent display unit displays the reference information corresponding to the changed information among the obtained reference information with respect to the external object. can do.

In addition, in order to achieve the above object, a display control method of a mobile terminal according to the present invention, the step of transmitting the external object through a transparent display; Acquiring reference information on information corresponding to the external object; Determining whether to change information corresponding to the external object based on the obtained reference information; And when it is determined that the information corresponding to the external object is changed, displaying the reference information corresponding to the changed information among the obtained reference information on the transparent display unit on the transparent display unit. .

Effects of the mobile terminal and the display control method thereof according to at least one embodiment of the present invention configured as described above are as follows.

First, it is possible to determine whether to change the information on the external object by comparing the information on the external object transmitted through the transparent display unit and the reference information, so that the changed information and the reference information corresponding to the changed information on the transparent display unit Can be displayed.

Second, since the corresponding reference information may be displayed at the position of the changed information among the external objects to be transmitted, it may provide the user with what information of the information about the external object has changed.

Third, in performing the related function using the transmitted external object, the changed information, or the reference information on the changed information, the transmitted external object, the changed without the need to cumbersome menu search for selecting the relevant function The touch of the information or a part of the changed information may conveniently command to perform the related function.

1 is a block diagram of a mobile terminal according to an embodiment of the present invention.
2 is a front view of a mobile terminal for explaining an operation state of the mobile terminal according to the present invention;
3 is a screen configuration diagram for transmitting an external object through the transparent display unit in a mobile terminal according to an embodiment of the present invention.
4 is a flowchart of a display control method of a mobile terminal according to one embodiment of the present invention;
5A to 5D are screen configuration diagrams for displaying reference information on change information when an external object is a magazine in accordance with the present invention.
6A to 6F are screen configuration diagrams for displaying reference information about change information when the external object is an airplane ticket in accordance with the present invention.
7A to 7C are screen configuration diagrams for displaying reference information about change information when an external object is a test sheet in accordance with the present invention.
8A to 8C are screen configuration diagrams for displaying reference information about change information when an external object is a map in accordance with the present invention.
9A to 9D are screen configuration diagrams for enlarging, reducing and moving display of reference information on change information in accordance with the present invention.
10A to 10D are screen configuration diagrams for photographing and transmitting an image including reference information about external objects and change information in accordance with the present invention.
11A to 11D are screen configuration diagrams for performing a related function for change information or reference information when an external object is a magazine in accordance with the present invention.
12A to 12C are screen configuration diagrams for performing a related function for change information or reference information when an external object is an airplane ticket in accordance with the present invention.
13A to 13C are screen configuration diagrams for performing a related function for change information or reference information when an external object is a map in accordance with the present invention.

Hereinafter, a mobile terminal according to the present invention will be described in more 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 mobile terminal described herein may include a mobile phone, a smart phone, a laptop computer, a digital broadcasting terminal, a personal digital assistant (PDA), a portable multimedia player (PMP), a navigation device, and the like.

However, it will be readily apparent to those skilled in the art that the configuration according to the embodiments described herein may also be applied to fixed terminals such as digital TVs, desktop computers, etc., except when applicable only to mobile terminals.

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

The mobile terminal 100 includes a wireless communication unit 110, an A / V input unit 120, a user input unit 130, a sensing unit 140, an output unit 150, a memory 160, and an interface. The unit 170, the controller 180, and the power supply unit 190 may be included. The components shown in FIG. 1 are not essential, so that a mobile terminal having more or fewer components may be implemented.

Hereinafter, the components will be described in order.

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

The broadcast receiving module 111 receives 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 mean a server that generates and transmits a broadcast signal and / or broadcast related information or a server that receives a previously generated broadcast signal and / or broadcast related information and transmits the same to a terminal. 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 mean information related to a broadcast channel, a broadcast program, or a broadcast service provider. The broadcast related information may also be provided through a mobile communication network. 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).

The broadcast receiving module 111 may include, for example, Digital Multimedia Broadcasting-Terrestrial (DMB-T), Digital Multimedia Broadcasting-Satellite (DMB-S), Media Forward Link Only (MediaFLO), and Digital Video Broadcast (DVB-H). Digital broadcast signals can be received using digital broadcasting systems such as Handheld and Integrated Services Digital Broadcast-Terrestrial (ISDB-T). Of course, the broadcast receiving module 111 may be configured to be suitable for not only the above-described digital broadcasting system but also other broadcasting 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 112 transmits and receives a wireless signal with 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 according to transmission and reception of a voice call signal, a video call call signal, or a text / multimedia message.

The wireless internet module 113 refers to a module for wireless internet access and may be embedded or external to the mobile 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. As a short range communication technology, Bluetooth, Radio Frequency Identification (RFID), Infrared Data Association (IrDA), Ultra Wideband (UWB), ZigBee, and the like may be used.

The location information module 115 is a module for obtaining a location of a mobile terminal, and a representative example thereof is a GPS (Global Position System) module.

Referring to FIG. 1, 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 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 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. Two or more cameras 121 may be provided according to the use environment.

The microphone 122 receives an external sound signal by a microphone in a call mode, a recording mode, a voice recognition mode, etc., and processes the external sound signal into 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. The microphone 122 may implement various noise removing algorithms for removing noise generated in the process of receiving an external sound signal.

The user input unit 130 generates input data for the user to control the operation of the terminal. The user input unit 130 may include a key pad dome switch, a touch pad (static pressure / capacitance), a jog wheel, a jog switch, and the like.

The sensing unit 140 detects a current state of the mobile terminal 100 such as an open / closed state of the mobile terminal 100, a location of the mobile terminal 100, presence or absence of a user contact, orientation of the mobile terminal, acceleration / deceleration of the mobile terminal, and the like. To generate a sensing signal for controlling the operation of the mobile terminal 100. For example, when the mobile terminal 100 is in the form of a slide phone, it may sense whether the slide phone is opened or closed. In addition, whether the power supply unit 190 is supplied with power, whether the interface unit 170 is coupled to the external device may be sensed. The sensing unit 140 may include a proximity sensor 141.

The output unit 150 is used to generate an output related to sight, hearing, or tactile sense, and includes a display unit 151, an audio output module 152, an alarm unit 153, and a haptic module 154. Can be.

The display unit 151 displays (outputs) information processed by the mobile terminal 100. For example, when the mobile terminal is in a call mode, the mobile terminal displays a user interface (UI) or a graphic user interface (GUI) related to the call. When the mobile terminal 100 is in a video call mode or a photographing mode, the mobile terminal 100 displays photographed and / or received images, a UI, and a GUI.

The display unit 151 includes a liquid crystal display (LCD), a thin film transistor-liquid crystal display (TFT LCD), an organic light-emitting diode (OLED), and a flexible display (flexible). and at least one of a 3D display.

Some of these displays can be configured to be transparent or light transmissive so that they can be seen from the outside. This may be referred to as a transparent display. A representative example of the transparent display is TOLED (Transparant OLED). The rear structure of the display unit 151 may also be configured as a light transmissive structure. With this structure, the user can see the 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 implementation form of the mobile terminal 100. For example, in the mobile terminal 100, a plurality of display portions may be spaced apart from one another, or may be disposed integrally with one another, and may be disposed on different surfaces, respectively.

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, for example, a form of a touch film, a touch sheet, a touch pad, or the like.

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

If there is a touch input to the touch sensor, the corresponding signal (s) is sent to the touch controller. The touch controller processes the signal (s) and then 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.

Referring to FIG. 1, a proximity sensor 141 may be disposed in an inner region of the mobile terminal or in the vicinity of the touch screen, which is surrounded by the touch screen. The proximity sensor 141 refers to a sensor that detects the presence or absence of an object approaching a predetermined detection surface or an object present in the vicinity without using a mechanical contact by using an electromagnetic force or infrared rays. Proximity sensors have a longer life and higher utilization than touch sensors.

Examples of the proximity sensor 141 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. When the touch screen is capacitive, the touch screen is configured to detect the proximity of the pointer by the change of the electric field according to the proximity of the pointer. 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 proximity touch is performed by the pointer on the touch screen refers to a position where the pointer is perpendicular to the touch screen when the pointer is in proximity proximity.

The proximity sensor 141 detects a proximity touch and a proximity touch pattern (for example, a proximity touch distance, a proximity touch direction, a proximity touch speed, a proximity touch time, a proximity touch position, and a proximity touch movement state). Information corresponding to the sensed proximity touch operation and 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 may also output a sound signal related to a function (eg, a call signal reception sound, a message reception sound, etc.) performed in the mobile terminal 100. The sound output module 152 may include a receiver, a speaker, a buzzer, and the like.

The alarm unit 153 outputs a signal for notifying occurrence of an event of the mobile terminal 100. Examples of events occurring in the mobile terminal include call signal reception, message reception, key signal input, and touch input. The alarm unit 153 may output a signal for notifying occurrence of an event in a form other than a video signal or an audio signal, for example, vibration. The video signal or the audio signal may be output through the display unit 151 or the audio output module 152, so that they 151 and 152 may be classified as part of the alarm unit 153.

The haptic module 154 generates various tactile effects that the user can feel. Vibration is a representative example of the haptic effect generated by the haptic module 154. The intensity and pattern of the vibration generated by the haptic module 154 are controllable. For example, different vibrations may be synthesized and output or may be 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 may not only deliver the haptic effect through direct contact, but also may implement the user to feel the haptic effect through a muscle sense such as a finger or an arm. Two or more haptic modules 154 may be provided according to configuration aspects of the mobile terminal 100.

The projector module 155 is a component for performing an image project function using the mobile terminal 100 and is similar to the image displayed on the display unit 151 in accordance with a control signal of the controller 180 Or at least partly display another image 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 longitudinally on the side, front or back side of the mobile terminal 100. It goes without saying that the projector module 155 may be provided at any position of the mobile terminal 100 as occasion demands.

The memory 160 may store a program for the operation of the controller 180 and may temporarily store input / output data (for example, a phone book, a message, a still image, a video, etc.). The memory 160 may store data regarding vibration and sound of various patterns output when a touch input on the touch screen is performed.

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 (Random Access Memory, RAM), Static Random Access Memory (SRAM), Read-Only Memory (ROM), Electrically Erasable Programmable Read-Only Memory (EEPROM), Programmable Read-Only Memory (PROM), Magnetic Memory, Magnetic It may include a storage medium of at least one type of disk, optical disk. The mobile terminal 100 may operate in connection with a web storage that performs a storage function of the memory 160 on the Internet.

The interface unit 170 serves as a path with all external devices connected to the mobile terminal 100. The interface unit 170 receives data from an external device, receives power, transfers the power to each component inside the mobile terminal 100, or transmits data inside the mobile terminal 100 to an 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 types of information for authenticating the usage rights of the mobile 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 170 may be a passage through which power from the cradle is supplied to the mobile terminal 100 when the mobile terminal 100 is connected to an external cradle, or various commands input by the user from the cradle. It may be a passage through which a signal is transmitted to the mobile terminal 100. Various command signals or power input from the cradle may operate as signals for recognizing that the mobile terminal 100 is correctly mounted on the cradle.

The controller 180 typically controls the overall operation of the mobile terminal 100. For example, perform related control and processing for voice calls, data communications, video calls, and the like. The controller 180 may include a multimedia module 181 for playing multimedia. The multimedia module 181 may be implemented in the controller 180 or may be implemented separately from the controller 180.

The controller 180 may perform a pattern recognition process for recognizing a writing input or a drawing input performed on the touch screen as text and an image, 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.

Various embodiments described herein may be implemented 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 functions and operations described herein. Software code can be implemented in a software application written in a suitable programming language. The software code may be stored in the memory 160 and executed by the controller 180.

Hereinafter, the operation of the display unit 151 and the touch pad (not shown) will be described with reference to FIG. 2.

2 is a front view of a portable terminal for explaining an operation state of the portable terminal according to the present invention.

Various types of time information can be displayed on the display unit 151. [ These pieces of information can be displayed in the form of letters, numbers, symbols, graphics, or icons.

At least one of the letters, numbers, symbols, graphics, or icons may be displayed in a predetermined arrangement for inputting such information, thereby being implemented as a keypad. Such a keypad may be referred to as a so-called " virtual keypad ".

2 illustrates receiving a touch applied to the virtual keypad through the front of the terminal body.

The display unit 151 may operate in an entire area or may be operated in a divided manner. In the latter case, the plurality of areas can be configured to operate in association with each other.

For example, an output window 151a and an input window 151b are displayed on the upper and lower portions of the display unit 151, respectively. The output window 151a and the input window 151b are areas allocated for outputting or inputting information, respectively. In the input window 151b, a virtual keypad 151c is displayed in which a number for inputting a telephone number or the like is displayed. When the virtual keypad 151c is touched, numbers and the like corresponding to the touched virtual keypad are displayed on the output window 151a. When the first operation unit 131 is operated, call connection to the telephone number displayed on the output window 151a is attempted.

The mobile terminal referred to herein may include at least one of the components shown in FIG. 1.

The mobile terminal 100 according to the present invention may include a transparent display unit as a display means, and may transmit an external object located at the rear of the transparent display unit. Accordingly, the user may provide an effect that an external object located behind the transparent display unit is displayed on the transparent display unit.

For example, the transparent display unit may include a transparent OLED (TOLED) or a transparent electronic paper.

In the present invention, since the transparent display unit is used as an example of the display unit, an identification number 151 is assigned to the transparent display unit mentioned below. Of course, the mobile terminal 100 may further include other display units in addition to the transparent display unit 151.

Referring to FIG. 3, the mobile terminal 100 may transmit the external object 300 positioned on the rear surface of the transparent display unit 151 through the transparent display unit 151.

Furthermore, when a transparent touch pad is provided to form a layered structure with the transparent display unit 151, the transparent display unit 151 may also operate as a transparent touch screen. Accordingly, the user may input a touch operation on the transparent display unit 151, and the mobile terminal 100 may perform an operation corresponding to the input touch operation.

Hereinafter, a display control method according to the present invention will be described in detail with reference to the accompanying drawings.

4 is a flowchart illustrating a display control method of a mobile terminal according to an embodiment of the present invention.

As shown in FIG. 4, when the transparent display unit 151 is positioned to face the external object or face the external object (S410), the mobile terminal 100 displays the external object through the transparent display unit 151. To transmit (S420).

In other words, the transparent display unit 151 may transmit an external object located at its rear side.

Accordingly, the user may provide an effect of displaying an image corresponding to an external object on the transparent display unit 151.

In this case, the transparency of the transparent display unit 151 may be freely adjusted within a predetermined range according to a user setting or under the control of the controller 180.

When the mobile terminal 100 receives a comparison command signal between the information corresponding to the external object transmitted through the transparent display unit 151 (to be described later) and its reference information (to be described later) from the user, it will be described later. (S430 to S490) can be performed.

For example, the comparison command signal may be input when the corresponding key area displayed on the transparent display unit 151, the corresponding key provided on the keypad, or the corresponding menu item are selected by the user.

Of course, even if the comparison command signal is not received, the mobile terminal 100 may perform the steps S430 to S490 described below.

The mobile terminal 100 obtains information corresponding to an external object transmitted through the transparent display unit 151 under the control of the controller 180 (S430).

For example, if the external object is a specific page of a printout, the information corresponding to the external object may be related to the contents of the specific page, the location information on the specific page of each of the contents included in the specific page, and the printed material including the specific page. Information such as print name, year of publication, address of publication of the print website, copies of sales, and the like.

Alternatively, when the external object is an airplane ticket, the information corresponding to the external object may include the contents (departure time, arrival time, seat information, flight number, etc.) included in the flight ticket, and the contents of the airplane ticket. It may include your location information and the aviation information that issued the flight ticket (the name of the aviation, the address of the aviator website, etc.).

Alternatively, when the external object is a map, the information corresponding to the external object may include a plurality of points included in the map, location information of each of the plurality of points, address information of each of the plurality of points, and the like. have.

Alternatively, the information corresponding to the external object may include, when the external object is a test paper, a plurality of questions included in the test paper, location information of each of the plurality of questions in the test paper, answer information, or website address information providing answer information. It may include.

In operation S430, the mobile terminal 100 may receive an image of an external object through the camera 121 and may acquire information corresponding to the external object from the input image under the control of the controller 180. Can be.

For example, the information corresponding to the external object obtainable from the image input through the camera may include content included in the external object, location information of each content in the external object, and the like.

In an operation S430, the mobile terminal 100 may receive information corresponding to an external object from a communication module attached to the external object using a short-range information recognition technology under the control of the controller 180. Information corresponding to the received external object may be obtained. In this case, the information corresponding to the external object may be received using the short range communication module 114.

For example, near field information recognition technology may include RFID. In particular, when the short-range information recognition technology is RFID, the short-range communication module 114 may include an RFID reader, and the communication module attached to an external object may include an RFID chip.

For example, the information corresponding to the received external object may include information (such as web site address information) not included on the surface of the external object.

The mobile terminal 100 obtains reference information on information corresponding to an external object transmitted through the transparent display unit 151 under the control of the controller 180 (S440).

Here, the reference information is information used as a reference for determining whether to change the information corresponding to the external object, the most recent change (for example, addition, deletion, correction, etc.) with respect to the information corresponding to the external object. May contain content.

For example, the reference information may include contents of the changed part of the information corresponding to the external object and location information in the external object. In addition, the reference information may include an image of the most recently changed external object. Also, the reference information may include information corresponding to an external object including the content of the most recently changed part.

In the obtaining step (S440), the mobile terminal 100 includes a memory 160 for storing a plurality of pieces of reference information. The mobile terminal 100 corresponds to the external object from the stored plurality of pieces of reference information under the control of the controller 180. Reference information about the information can be retrieved.

For example, since identification information matching each other is set in the information corresponding to the external object and its reference information, the controller 180 identifies identification information matching the information corresponding to the external object among the plurality of stored reference information. Search for the set reference information. Here, the matching of the identification information may mean that the same identification information is set or identification information including linkage information about the relative information is set.

In addition, the plurality of pieces of reference information stored in the memory 160 may be downloaded periodically or at any time from an external server or an external web site, or received periodically or at any time from an external terminal.

In the obtaining step (S440), the mobile terminal 100, under the control of the controller 180, the external server to request a request signal of the reference information for the information corresponding to the external object transmitted through the transparent display unit 151 And the reference information about the information corresponding to the external object as a result of the transmission of the request signal can be received from the external server. In this case, the transmission and reception process may be performed by the wireless communication unit 110, in particular, the wireless Internet module 113. Therefore, the controller 180 may obtain reference information about the information corresponding to the received external object.

For example, the request signal may include identification information of information corresponding to an external object, and the external server searches for reference information corresponding to the identification information included in the request signal and transmits the reference information to the mobile terminal 100. Can be. In this case, the identification information may include an image of the external object, version information about the external object, or information corresponding to the external object.

In particular, when the information corresponding to the external object includes personal information, the mobile terminal 100, under the control of the controller 180, when the personal authentication procedure for the external server is successful, the external server from the external server Reference information about the information corresponding to the object may be received.

Here, the personal information may include information limited to the user of the mobile terminal 100.

For example, in the personal authentication process, when an ID and password registered in an external server are input from a user through the mobile terminal 100, or the user information of the mobile terminal 100 user information and information corresponding to an external object match. If so, it can be performed successfully.

In addition, the reference information on the information corresponding to the received external object may include a new version of the information including the changed information as the information corresponding to the external object or changed information among the information corresponding to the external object.

In addition, the mobile terminal 100 may transmit the request signal to the external server using address information of the external server previously stored in the memory 160. Of course, the stored address information of the external server may be obtained in the step of acquiring information on the external object (S430), or may be obtained from an external server (same or similar to the external server receiving the request signal) or an external terminal.

The mobile terminal 100 determines whether the information corresponding to the external object acquired in the obtaining step S430 is changed based on the reference information obtained in the obtaining step S440 under the control of the controller 180 ( S450).

For example, when a part of information corresponding to an external object is added, deleted or modified, the mobile terminal 100 changes the information corresponding to the external object when all of the information corresponding to the external object is deleted or modified. Can be judged.

The determination step S450 will be described in more detail.

The mobile terminal 100 compares an image (input image) of the external object photographed using the camera 121 with an image (reference image) of the external object acquired as reference information for the external object, and finds a different part. If it is determined that the information corresponding to the different portion has been changed.

In this case, the mobile terminal 100 may calculate a distance between the mobile terminal 100 and the external object by using the camera 121 and determine the position of the different part of the external object by using the calculated distance. have.

When the mobile terminal 100 obtains the reference information about the changed information among the information corresponding to the external object as the reference information corresponding to the external object, the content corresponding to the changed information among the contents included in the external object is changed. It can be judged that.

The mobile terminal 100 obtains the contents of the latest information corresponding to the external object and the location information of each of the contents as the reference information corresponding to the external object, and the transparent display unit 151 as the information corresponding to the external object. After acquiring the location information of the contents and contents included in the external object transmitted through each other, the latest contents (included in the reference information) and the input contents (information corresponding to the transmitted external object) corresponding to the respective position information It can be determined that the input content corresponding to the mismatched location information has been changed.

When the mobile terminal 100 determines that the information corresponding to the external object is changed as a result of the determination step S450 (YES in S460), the mobile terminal 100 is controlled through the transparent display unit 151 under the control of the controller 180. Reference information corresponding to the changed information among the information corresponding to the external object to be transmitted is displayed on the transparent display unit 151 (S470).

The controller 180 may check which part of the transmitted object corresponds to the changed information. For example, the controller 180 may identify a portion corresponding to the location information of the changed information among the transmitted subjects as a portion corresponding to the changed information.

The transparent display unit 151 may display reference information corresponding to the changed information with respect to a portion of the subject to be transmitted that is determined to correspond to the changed information under the control of the controller.

Furthermore, in the display step S470, when the mobile terminal 100 changes at least one of the position and size of the transmitted external object under the control of the controller 180, the mobile terminal 100 changes accordingly. At least one of the position and size of the reference information corresponding to the changed information may be changed.

For example, the controller 180 may use the size of the reference information on the size of the external object to be transmitted and the location of the reference information corresponding to the changed information by using the location information of the reference information within the transmitted external object. Or you can change the size.

On the other hand, if it is determined that the information corresponding to the external object has not been changed as a result of performing the determination step S450 (NO in S460), the mobile terminal 100 obtains the operation step S430 under the control of the controller 180. ) Can be returned.

Hereinafter, the display step S470 will be described in detail with reference to the accompanying drawings.

5A to 5D are screen configuration diagrams for displaying reference information about change information when the external object is a magazine.

According to FIG. 5A, the mobile terminal 100 may pass through the magazine 500 in which a specific page is spread through the transparent display unit 151, and a key area for receiving a comparison command signal from a user in one area of the screen. 510 may be displayed.

In addition, in FIG. 5A, when the key area 510 is selected by the user, the mobile terminal 100 may receive a comparison command signal (described above).

Referring to FIG. 5B, when a comparison command signal is received, the mobile terminal 100 searches for reference information on the unfolded specific page among a plurality of reference information previously stored in the memory 160 and based on the retrieved reference information. It may be determined whether the information corresponding to the specific page is changed.

Alternatively, according to FIG. 5C, when the comparison command signal is received, the mobile terminal 100 transmits a request signal of the reference information for the unfolded specific page to an external server (a), and the reference information received as a result of the transmission. Based on the determination of whether the information corresponding to the specific page is changed (b).

In this case, when there are a plurality of selectable external servers, the mobile terminal 100 may select an external server selected by a user or a predetermined criterion (for example, a criterion with a large number of accessors, a criterion with a high connection frequency, a criterion with a good connection state, etc.). The request signal can be transmitted to an external server that satisfies.

Referring to FIG. 5D, the mobile terminal 100 includes reference information (James Leno, 550) corresponding to changed information (Jay Leno, 551) among the information corresponding to the opened specific page, and newly added reference information (New Time is 560 may be displayed on the unfolded page on the transparent display unit 151.

6A to 6F are screen configuration diagrams for displaying reference information about change information when the external object is an airplane ticket.

According to FIG. 6A, the mobile terminal 100 may pass through the plane ticket 600 through the transparent display unit 151, and may receive a key region 610 for receiving a comparison command signal from a user in one area of the screen. Can be displayed.

In addition, in FIG. 6A, when the key area 610 is selected by the user, the mobile terminal 100 may receive a comparison command signal (described above).

According to FIG. 6B, when a comparison command signal is received, the mobile terminal 100 searches for reference information about the transmitted flight ticket 600 among a plurality of reference information previously stored in the memory 160, and retrieves the retrieved reference information. Based on the reference information, it may be determined whether information corresponding to the transmitted airplane ticket is changed.

Alternatively, according to FIG. 6C, when the mobile terminal 100 receives a comparison command signal, the mobile terminal 100 transmits a request signal of reference information about the transmitted flight ticket 600 to an external server (a), and the transmission result. Based on the received reference information, it may be determined whether information corresponding to the transmitted flight ticket 600 has been changed (b).

Furthermore, since the information corresponding to the flight ticket includes personal information, the mobile terminal 100 may obtain reference information if the personal authentication procedure for the external server is successful.

In this regard, according to FIG. 6D, when receiving the comparison command signal, the mobile terminal 100 displays a window 641 for receiving an ID and password registered in an external server from a user (a), If the ID and password inputted through 641 are legitimate, the personal authentication procedure may be successful and the request and reception process of the reference information with the external server may be performed (b).

In addition, according to FIG. 6E, when the mobile terminal 100 receives a comparison command signal, when the terminal user information (for example, name, social security number, telephone number, etc.) and the user information of the plane ticket coincide (a ), A successful personal authentication procedure may be performed to request and receive reference information with an external server (b).

According to FIG. 6F, when the departure time information of the information corresponding to the transmitted airplane ticket 600 is changed, the mobile terminal 100 replaces the existing departure time information 5pm and 661 with reference departure time information (19:00 or The phrase 660 indicating the change to 7pm may be displayed on the transparent display unit 151 with respect to the transmitted airplane ticket 600 (a).

Alternatively, when the seat information is changed among the information corresponding to the transmitted flight ticket 600, the mobile terminal 100 indicates that the existing seat information 26B, 671 is changed to the reference seat information 28B (670). ) May be displayed on the transparent display unit 151 with respect to the transmitted airplane ticket 600 (b).

7A to 7C are screen configuration diagrams for displaying reference information about change information when the external object is a test sheet. In the following, it is assumed that the correct answer information on the test paper is the reference information.

According to FIG. 7A, the mobile terminal 100 may transmit a test paper including a plurality of problems through the transparent display unit 151 and transmit a comparison command signal (or a scoring command signal) from a user to one area of the screen. The key area 710 for receiving an input may be displayed. In addition, the user may input answers 701 to 703 for each of the plurality of questions, and the input answers may be displayed for each of the plurality of questions.

In addition, the mobile terminal 100 may receive a comparison command signal as the key area 710 is selected by the user in FIG. 7A.

According to FIG. 7B, when a comparison command signal is input, the mobile terminal 100 may compare the answers with respect to the plurality of questions, respectively, based on previously stored correct answer information or correct answer information obtained from an external server. have.

According to FIG. 7C, the mobile terminal 100 may display the scoring result displays 711 to 713 on the transparent display unit 151 for each of the plurality of problems according to the comparison result.

8A to 8C are screen configuration diagrams for displaying reference information about change information when an external object is a map. Hereinafter, the reference information may include the most recent location of the region corresponding to the map or the most recent location information (or address information) for each object belonging to the region corresponding to the map.

According to FIG. 8A, the mobile terminal 100 may transmit the directions through the transparent display unit 151 and display a key area 810 for receiving a comparison command signal from a user in one area of the screen. have.

Here, the map may include a plurality of objects (for example, buildings, roads, roads, malls, etc.) belonging to an area corresponding to the map, and the plurality of objects included in the map may include location information corresponding to each. (Or address information) may be set.

In addition, the mobile terminal 100 may receive a comparison command signal as the key area 810 is selected by the user in FIG. 8A.

Referring to FIG. 8B, when the mobile terminal 100 receives a comparison command signal, the mobile terminal 100 receives previously stored recent map information (or recent location information for each object) or recent map information (or recent location information for each object) obtained from an external server. Based on), it may be determined whether each of the plurality of objects included in the map is changed.

According to FIG. 8C, the mobile terminal 100 may display the use stop display and the delete display of each of the road 830 and the deleted building 840 that are suspended from the plurality of objects according to the comparison result. In addition, a new mark may be added to the newly added road 850. The above indications may be displayed at a corresponding position with respect to the directions passing through the transparent display unit 151.

Although not shown in the drawings, the embodiments related to the directions can be applied to subway maps, bus maps, and the like. In this case, the objects included in the map may be a subway station in the case of a subway map, or a bus stop in the case of a bus route map.

9A to 9D are screen configuration diagrams for enlarging, reducing, and moving display of reference information about change information.

Referring to FIG. 9A, the mobile terminal 100 may display, on the transparent display unit 151, reference information 670 about the changed information with respect to the external object 600 transmitted through the transparent display unit 151. Can be.

In this case, in FIG. 9A, an enlarged key area 901 for receiving an enlarged command signal and an enlarged key area 902 for receiving an reduced command signal may be displayed on the screen.

Referring to FIG. 9B, when the enlarged key area 901 is selected in FIG. 9A, the mobile terminal 100 may enlarge and display a portion of the external object 600 that is transmitted. Thus, the enlarged display is provided as the portion to be displayed in the same display area becomes smaller. In this case, the portion may be directly selected by the user or automatically selected as a portion including the reference information 670.

For example, an image of the external object 600 may be input using the camera 121, and an image corresponding to the selected portion of the input image may be displayed on the transparent display unit 151. Alternatively, the image corresponding to the selected portion may be received using the camera 121 and displayed on the transparent display unit 151.

According to FIG. 9C, when the reduced key area 902 is selected in FIG. 9A, the mobile terminal 100 may select and display a portion wider than the portion currently transmitted through the external object 600. Thus, as the portion displayed in the same display area becomes wider, the reduced display is provided.

For example, an image of the external object 600 may be input using the camera 121, and the input image may be displayed on the transparent display unit 151. In this case, the displayed image is an image corresponding to an area wider than the transmission area of the external object.

According to FIG. 9D, as the position of the mobile terminal 100 (or the transparent display unit 151) is moved, the mobile terminal 100 may also move a portion of the external object 600 correspondingly. .

For example, when the mobile terminal 100 is moved to the left side, a portion located to the left of the external object 600 may be transmitted. In addition, when the mobile terminal 100 moves away from the vertical direction with respect to the external object 600, a wider portion of the external object 600 may be transmitted.

Furthermore, when the reference information is displayed with respect to the currently transmitted portion of the external object 600, the mobile terminal 100 moves the position of the reference information correspondingly when the transmitted portion moves according to the movement of the terminal position. Can be.

For example, since the mobile terminal 100 knows which part of the external object 600 the reference information is, the information about the corresponding part of the reference information of the external object 600 even if the transmitted part is moved. May reset the position of the reference information within the moved portion.

Returning to FIG. 4, the mobile terminal 100 receives a related function execution command signal with respect to the changed information or the reference information corresponding to the changed information among the transmitted external objects (S480).

For example, the related function execution command signal may be input when the corresponding key area, the corresponding key, or the corresponding menu item is selected by the user.

When the mobile terminal 100 receives the related function execution command signal, the mobile terminal 100 controls at least one of the transmitted external object, the changed information, and reference information corresponding to the changed information under the control of the controller 180. Perform the function to use (S490).

Hereinafter, with reference to the accompanying drawings will be described in detail with respect to the function performing process (S490).

10A to 10D are screen configuration diagrams for photographing and transmitting an image including reference information about an external object and change information. Here, the related function may include camera shooting, message transmission, blog transmission.

According to FIG. 10A, when the menu item 1010 is selected while the mobile terminal 100 displays reference information 560 (hereinafter, referred to as change reference information) corresponding to changed information about the external object to be transmitted, the camera is selected. A list including photographing 1011, message sending 1012, and blog upload 1013 may be displayed.

According to FIG. 10B, when the camera photographing 1011 is selected in FIG. 10A, the mobile terminal 100 receives an image capturing command signal and captures an image of an external object including the change reference information using the camera 121. Can be. The captured image may be stored in the memory 160.

Of course, the shooting command signal may be input when the camera shooting key (or key area) is selected in the state of FIG. 10A (before the menu item selection).

According to FIG. 10C, when the message transmission 1012 is selected in FIG. 10A, the mobile terminal 100 receives a message transmission command signal and composes a message including an image 1030 of an external object including change reference information. The screen can be displayed.

Accordingly, the mobile terminal 100 may transmit a message including a message content created through the message composition screen and an image of an external object including the change reference information to a specific counterpart terminal.

Of course, the message may include any communication method capable of transmitting data to a counterpart terminal such as a multimedia message and an e-mail.

According to FIG. 10D, when the blog upload 1013 is selected in FIG. 10A, the mobile terminal 100 receives an upload command signal and uploads an image 1030 of an external object including change criteria information to a specific blog. Can be. In this case, the mobile terminal 100 may receive address information of a specific blog from a user or may store the blog information in the memory 160.

In this case, when receiving the blog connection 1041, the mobile terminal 100 may access the specific blog and check the uploaded image.

Of course, the embodiment related to FIG. 10D is not limited to a blog, but may be applied to a web site, a homepage, and a social networking system (SNS) site.

 11A to 11D are screen diagrams for performing a related function for change information or reference information when an external object is a magazine. For convenience of explanation, it is assumed that the cover of the magazine is transmitted.

According to FIG. 11A, when the mobile terminal 100 receives a touch action on the reference information 550 (hereinafter, referred to as change reference information) corresponding to the changed information in the cover, the magazine (or the cover), the changed information, or the change criterion. A command for performing a related function command may be received with respect to the information.

According to FIG. 11B, the mobile terminal 100 receives at least one web site that provides information corresponding to a cover that is transmitted or information about a magazine including a cover that is transmitted as the mobile terminal 100 receives a command for performing a related function. The list 1100 may be displayed (a).

For example, the list 1100 may include a web site of a magazine publisher, a web site of an article included in a cover, and the like.

In addition, when the specific web site 1111 is selected in FIG. 11B (a), the mobile terminal 100 may access the selected specific web site 1111 (b).

If there is only one corresponding web site or a predetermined connection to a specific web site, the mobile terminal 100 may directly access the corresponding web site without a user selection operation or may directly access a specific web site preset to the connection.

According to FIG. 11C, as the mobile terminal 100 receives a command for performing a related function, the mobile terminal 100 may display the person information 1120 corresponding to the change reference information 550.

In this case, the mobile terminal 100 may pre-store person information corresponding to the change reference information 550 or download it from an external server.

According to FIG. 11D, the mobile terminal 100 may display at least one web related article 1130 related to the change criterion information 550 according to an input of a related function execution command signal.

In this case, the mobile terminal 100 may pre-store a web related article related to the change criterion information 550 or download it from an external server.

12A to 12C are screen configuration diagrams for performing a related function for change information or reference information when the external object is an airplane ticket.

According to FIG. 12A, when the mobile terminal 100 receives a touch action on the reference information 660 (hereinafter, the change reference information) corresponding to the changed information among the flight tickets 600 transmitted, the plane ticket and the changed information. Alternatively, the relevant function execution command signal may be received with respect to the change reference information.

In the following, it is assumed that the change criterion information is the departure time information (7:00 pm) after the change.

Referring to FIG. 12B, when the mobile terminal 100 receives a related function execution command signal, the mobile terminal 100 includes a schedule management list including schedule management (s) after a time (5 pm) corresponding to departure time information before change. 1210 may be displayed (a).

In addition, when the mobile terminal 100 receives a change command signal for a specific schedule included in the schedule management list 1210 in FIG. 12B (a), the mobile terminal 100 may display a screen for changing the specific schedule (b). ).

Accordingly, the user may change matters (date, time, etc.) related to a specific schedule through the displayed screen. Furthermore, when the change information transmission region is selected in FIG. 12B (b), the changed information may be transmitted to the counterparts who have decided to participate in a specific schedule.

According to FIG. 12C, the mobile terminal 100 may display a window 1220 for allowing a user to select whether to change a flight schedule according to an input of a related function execution command signal (a).

In addition, when a change ('confirmation') is selected in FIG. 12C (a), the mobile terminal 100 may access the aviation web site that issued the flight ticket and display a web screen for changing the flight schedule.

Here, the flight schedule change may include cancellation of a previously issued flight ticket, reservation of a new flight ticket, and the like.

Although not shown in the drawing, the mobile terminal 100 may obtain additional information on the plane ticket and display it on the transparent display unit 151.

For example, the additional information may include a linked web site address of the aviator who issued the flight ticket, transit flight information, departure / arrival flight information, and the like.

13A to 13C are screen configuration diagrams for providing additional information when an external object is a map.

According to FIG. 13A, the mobile terminal 100 identifies and displays the objects 830, 840, and 850 corresponding to the changed location information among the plurality of objects included in the transmitted route, and displays the location information after the change with respect to the corresponding object. Can be displayed.

For example, since the first object 830 is a missing building, the first object 830 may be blurred. The second object 840 may be discontinued. 850 may be indicated by a dotted line because it is a new length.

According to FIG. 13B, when the mobile terminal 100 receives a touch gesture with respect to the third object 850 in FIG. 13A, the mobile terminal 100 may actually use the additional information about the third object 850 as the additional information about the third object 850. An image or a 3D image 1310 may be obtained and displayed.

According to FIG. 13C, when the mobile terminal 100 receives a touch operation on the third object 850 in FIG. 13A, the mobile terminal 100 drives the navigation function and is currently used as additional information on the third object 850. Route information from the location 1320 of the 100 to the third object 850 may be provided.

In addition, although not shown in the drawings, the mobile terminal 100 may obtain and display a map image, a three-dimensional map image, an actual surrounding image, and the like as additional information on the transmitted directions.

According to the present invention, the mobile terminal 100 may select a portion of an external object transmitted through the transparent display unit 151 and attach it to another application.

For example, if another application is a web site connection, the selected portion may be attached to the search box. Alternatively, when another application is accessing an SNS site, information about the selected part, an image of the selected part, or an external object including the selected part may be attached as input content.

According to the present invention, when the mobile station 100 includes a website address among external objects transmitted through the transparent display unit 151, when the touch operation for the website address is received, the web corresponding to the website address is provided. You can access the site.

According to an embodiment of the present invention, the above-described display control method of the mobile terminal can be implemented as code that can be read by a processor in a medium in which a program is recorded. Examples of processor-readable media include ROM, RAM, CD-ROM, magnetic tape, floppy disk, optical data storage, and the like, and may be implemented in the form of a carrier wave (for example, transmission over the Internet). Include.

The above-described mobile terminal and its display control method are not limited to the configuration and method of the above-described embodiments, but the embodiments may be modified in whole or in part in order for various modifications to be made. It may alternatively be configured in combination.

100 mobile terminals
151 Transparent Display
180 control unit

Claims (20)

A transparent display unit configured to transmit external objects; And
And a controller configured to obtain reference information about the information corresponding to the external object, and determine whether to change information corresponding to the external object based on the obtained reference information.
When it is determined that the information corresponding to the external object has changed under the control of the controller, the transparent display unit displays the mobile terminal displaying reference information corresponding to the changed information among the acquired reference information with respect to the external object. . The method of claim 1, wherein the control unit,
The mobile terminal further obtains information corresponding to the external object. The method of claim 2,
A camera receiving an image of the external object; And
At least one of a short-range communication module for receiving information corresponding to the external object from the communication module attached to the external object using a short-range information recognition technology,
The control unit,
The mobile terminal is configured to obtain information corresponding to the external object from at least one of an image of the external object input through the camera and information corresponding to the external object received using the short range communication module. The method of claim 1,
Further comprising a memory for storing a plurality of reference information,
The control unit,
Mobile terminal for retrieving the reference information for the information corresponding to the external object from the plurality of reference information stored in the memory. The method of claim 1,
The wireless communication unit may further include transmitting a request signal of the reference information about the information corresponding to the external object to the external server, and receiving the reference information about the information corresponding to the external object from the external server as a result of the transmission of the request signal. and,
The control unit,
A mobile terminal for acquiring reference information about the information corresponding to the received external object. The method of claim 5, wherein the wireless communication unit,
The mobile terminal transmits the request signal to the external server using address information of the external server pre-stored in the memory. The method of claim 5, wherein the wireless communication unit,
When the information corresponding to the external object includes personal information, when the personal authentication procedure for the external server is successful under the control of the controller, reference information about the information corresponding to the external object is received from the external server. Receiving mobile terminal. The method of claim 1,
The control unit,
Determine which part of the transmitted external object corresponds to the changed information,
The transparent display unit,
Under the control of the controller, the mobile terminal for displaying the reference information corresponding to the changed information with respect to the portion of the external object that is confirmed to correspond to the changed information. The method of claim 1,
A user input unit which receives a shooting command signal while displaying reference information corresponding to the changed information with respect to the external object; And
And a camera for capturing an image including the external object and reference information corresponding to the changed information in response to receiving the photographing command signal. The method of claim 1,
The apparatus may further include a user input unit configured to receive a related function execution command signal with respect to the changed information or the reference information corresponding to the changed information.
The control unit,
The mobile terminal performs a function of using at least one of the external object, the changed information, and reference information corresponding to the changed information in response to receiving the related function execution command signal. The method of claim 1, wherein the control unit,
When at least one of the position and size of the transmitted external object changes as the position of the mobile terminal changes, at least one of the position and size of the reference information corresponding to the changed information to correspond to the position and size of the changed external object. Mobile terminal to change one. The method of claim 1,
The control unit,
Obtaining additional information about the reference information corresponding to the changed information;
The transparent display unit,
A mobile terminal for displaying the obtained additional information under the control of the controller. Transmitting the external object through the transparent display unit;
Acquiring reference information on information corresponding to the external object;
Determining whether to change information corresponding to the external object based on the obtained reference information; And
And if it is determined that the information corresponding to the external object has changed, displaying the reference information corresponding to the changed information among the obtained reference information on the transparent display unit with respect to the external object. Display control method of the terminal. The method of claim 13,
And obtaining information corresponding to the external object. The method of claim 14, wherein the obtaining of the information corresponding to the external object comprises:
Obtaining information corresponding to the external object from an image of the external object input through a camera; And
And receiving information corresponding to the external object from a communication module attached to the external object by using short-range information recognition technology. The method of claim 13,
Storing a plurality of pieces of reference information;
The obtaining step,
And displaying reference information on information corresponding to the external object from the stored plurality of reference information. The method of claim 13,
Transmitting a request signal of reference information about information corresponding to the external object to an external server;
The obtaining step,
The display control method of the mobile terminal to receive the reference information for the information corresponding to the external object from the external server as a result of the transmission of the request signal. The method of claim 13,
Determining which part of the transmitted external object corresponds to the changed information;
The display step,
And displaying reference information corresponding to the changed information with respect to a portion of the external object that is transmitted that is identified as corresponding to the changed information. The method of claim 13,
Receiving a photographing command signal during the performing of the display step; And
And photographing an image including reference information corresponding to the external object and the changed information by using a camera, when the photographing command signal is input. The method of claim 13,
Receiving a related function execution command signal with respect to the changed information or reference information corresponding to the changed information; And
And performing a function of using at least one of the external object, the changed information, and reference information corresponding to the changed information in response to receiving the related function execution command signal.

Images