KR20110065936A - Image display device and operating method for the same - Google Patents

Abstract

PURPOSE: A video display device and an operation method thereof are provided to supply the meaning of a word comprised of a predetermined text among a caption. CONSTITUTION: An image is reproduced. A caption corresponding to the reproduced video is displayed(S15). A signal which a space remote controller transmitted is received(S20). Based on the signal, at least one text among the displayed caption is selected(S30). Information related to the selected text is displayed(S35).

Description

Image Display Device and Operating Method for the Same

The present invention relates to an image display apparatus and an operation method thereof. More particularly, the present invention relates to an image display apparatus capable of displaying a subtitle corresponding to an image being played and providing a meaning of a word composed of predetermined text among subtitles, and an operation method thereof.

The image display device is a device having a function of displaying an image that a user can watch. The user can watch the broadcast through the image display device. A video display device displays a broadcast selected by a user among broadcast signals transmitted from a broadcast station on a display. Currently, broadcasting is shifting from analog broadcasting to digital broadcasting worldwide.

Digital broadcasting refers to broadcasting for transmitting digital video and audio signals. Digital broadcasts are more resistant to false noise than analog broadcasts, resulting in lower data loss, better error correction, higher resolution, and clearer pictures. In addition, unlike analog broadcasting, digital broadcasting is capable of bidirectional services.

In addition to the trend of converting analog broadcasting to digital broadcasting, broadcasts being transmitted in response to various demands of users are increasing. As the number of channels increases, the time required for a user to select a desired channel from various channels may increase. In addition, it may take a long time in the process of switching the channel to display the image of the selected channel.

In addition, the number and type of video signals that can be displayed through the video display device increases, and the number of services of the remote control device that can operate the video display device increases as the types of services that can be provided through the video display device vary. Is increasing. Users often find it cumbersome to use complicated remote control devices. Accordingly, various methods such as development of a user interface that can efficiently control an image display device and increase user convenience have been studied.

Accordingly, an object of the present invention is to provide an image display apparatus and an operation method thereof capable of displaying a subtitle of a video being played. It is still another object of the present invention to provide a video display device and a method of operating the same, which display a pointer corresponding to the operation of the spatial remote controller and which can conveniently control the video display device using the pointer.

Method of operation of the image display device according to an embodiment of the present invention for achieving the above object comprises the steps of: reproducing the image; Displaying a caption corresponding to the image being played; Receiving a signal transmitted from the spatial remote controller; Selecting at least one text among the displayed subtitles based on a signal transmitted from the spatial remote controller; And displaying the selected text related information.

In addition, an image display apparatus according to an embodiment of the present invention for achieving the above object, a display for displaying a video and a subtitle being played; An interface unit for receiving a signal transmitted from the spatial remote controller; And a controller configured to select at least one text among subtitles displayed on the display based on a signal received through the interface unit, and to control the display to display the selected text related information.

According to the present invention, a caption of a video being played back can be displayed on the video display device. In addition, a pointer corresponding to the signal transmitted from the spatial remote controller may be displayed on the image display apparatus, and the selected text-related information may be displayed on the image display apparatus using the pointer.

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

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

The suffixes "module" and "unit" for components used in the following description are merely given in consideration of ease of preparation of the present specification, and do not impart any particular meaning or role by themselves. Therefore, the "module" and "unit" may be used interchangeably.

1 is a block diagram illustrating an image display apparatus according to an exemplary embodiment of the present invention.

Referring to FIG. 1, the image display apparatus 100 according to an exemplary embodiment of the present invention includes a tuner 110, a demodulator 120, an external signal input / output unit 130, a storage unit 140, and an interface unit 150. ), A sensing unit (not shown), a controller 170, a display 180, and a sound output unit 185.

The tuner 110 selects an RF broadcast signal corresponding to a channel selected by a user or all pre-stored channels among RF (Radio Frequency) broadcast signals received through an antenna. Also, the selected RF broadcast signal is converted into an intermediate frequency signal, a baseband image, or a voice signal.

Also, the tuner 110 can receive RF carrier signals of a single carrier according to an Advanced Television System Committee (ATSC) scheme or RF carriers of a plurality of carriers according to a DVB (Digital Video Broadcasting) scheme.

Meanwhile, the tuner 110 sequentially selects RF broadcast signals of all broadcast channels stored through a channel memory function among RF broadcast signals received through an antenna and converts them into intermediate frequency signals or baseband video or audio signals. I can convert it. This is for illustrating a thumbnail list including a plurality of thumbnail images corresponding to a broadcast channel on the display 180. Accordingly, the tuner 110 may receive the RF broadcast signals of the selected channel or all the pre-stored channels sequentially or periodically.

The demodulator 120 receives the digital IF signal DIF converted by the tuner 110 and performs a demodulation operation. Also, the demodulation unit 120 may perform channel decoding. To this end, the demodulator 120 may include a convolutional decoder, a deinterleaver, a reed-soloman decoder, and the like to perform convolutional decoding, deinterleaving, and reed-soloman decoding.

The demodulation unit 120 may perform demodulation and channel decoding, and then output a stream signal TS. In this case, the stream signal may be a signal multiplexed with a video signal, an audio signal, or a data signal. For example, the stream signal may be an MPEG-2 TS (Transport Stream) multiplexed with an MPEG-2 standard video signal, a Dolby AC-3 standard audio signal, or the like. In more detail, the MPEG-2 TS may include a header of 4 bytes and a payload of 184 bytes.

On the other hand, the demodulator 120 described above can be provided separately according to the ATSC system and the DVB system. That is, it can be provided as an ATSC demodulation unit and a DVB demodulation unit.

The stream signal output from the demodulator 120 may be input to the controller 170. After performing demultiplexing and signal processing, the controller 170 outputs an image to the display 180 and outputs an audio to the sound output unit 185.

The external signal input / output unit 130 may connect the external device to the image display device 100. To this end, the external signal input / output unit 130 may include an A / V input / output unit or a wireless communication unit.

The external signal input / output unit 130 is connected to an external device such as a DVD (Digital Versatile Disk), a Blu-ray, a game device, a camera, a camcorder, a computer (laptop), or the like by wire / wireless. The external signal input / output unit 130 transmits an image, audio or data signal input from the outside through the connected external device to the controller 170 of the image display apparatus 100. In addition, the controller 170 may output an image, audio, or data signal processed by the controller 170 to a connected external device.

The A / V input / output unit includes an Ethernet terminal, a USB terminal, a Composite Video Banking Sync (CVBS) terminal, a component terminal, and an S-video to input video and audio signals of an external device to the video display device 100. Terminals (analog), DVI (Digital Visual Interface) terminal, HDMI (High Definition Multimedia Interface) terminal, RGB terminal, D-SUB terminal and the like.

The wireless communication unit may perform a wireless internet connection. The image display apparatus 100 may be connected to the wireless Internet through a wireless communication unit. For wireless Internet access, wireless LAN (Wi-Fi), wireless broadband (Wibro), world interoperability for microwave access (Wimax), high speed downlink packet access (HSDPA) communication standards, and the like may be used.

In addition, the wireless communication unit may perform near field communication with other electronic devices. The image display device 100 may be connected to other electronic devices and networks according to communication standards such as Bluetooth, Radio Frequency Identification (RFID), Infrared Data Association (IrDA), Ultra Wideband (UWB), ZigBee, etc. Can be connected.

In addition, the external signal input / output unit 130 may be connected through at least one of the various set top boxes and the various terminals described above to perform input / output operations with the set top box.

For example, when the set-top box is a set-top box for an Internet Protocol (IP) TV, the video, audio, or data signal processed by the set-top box for the IP TV may be transmitted to the control unit 170 to enable bidirectional communication. Signals processed at 170 may be delivered to a set top box for an IP TV.

Meanwhile, the above-described IPTV may mean ADSL-TV, VDSL-TV, FTTH-TV, etc. according to the type of transmission network, and include TV over DSL, Video over DSL, TV overIP (TVIP), and Broadband TV ( BTV) and the like. In addition, IPTV may also mean an Internet TV capable of accessing the Internet, or a full browsing TV.

In addition, the external signal input / output unit 130 may be connected to a communication network capable of video or voice calls. The communication network may mean a broadcast type communication network, a public telephone network, a mobile communication network, or the like connected through a LAN.

The storage 140 may store a program for processing and controlling each signal in the controller 170, or may store a signal processed video, audio, or data signal.

In addition, the storage 140 may perform a function for temporarily storing an image, audio, or data signal input to the external signal input / output unit 130. In addition, the storage 140 may store information on a predetermined broadcast channel through a channel storage function.

The storage unit 140 may include a flash memory type, a hard disk type, a multimedia card micro type, a card type memory (for example, SD or XD memory), It may include at least one type of storage medium such as RAM, ROM (EEPROM, etc.). The image display apparatus 100 may reproduce and provide a file (video file, still image file, music file, document file, etc.) stored in the storage 140 to a user.

1 illustrates an embodiment in which the storage unit 140 is provided separately from the control unit 170, but the scope of the present invention is not limited thereto. The storage 140 may be included in the controller 170.

The interface unit 150 transmits a signal input by the user to the controller 170 or transmits a signal from the controller 170 to the user. For example, the interface unit 150 may power on / off, channel selection, screen setting, etc. from the remote control apparatus 200 according to various communication schemes such as RF (Radio Frequency) communication scheme and infrared (IR) communication scheme. Receives a user input signal of, or transmits a signal from the control unit 170 to the remote control device 200.

The controller 170 demultiplexes a stream input through the tuner 110 and the demodulator 120 or the external signal input / output unit 130 and processes the demultiplexed signals to generate a signal for video or audio output. And output. In addition, the overall operation of the image display apparatus 100 may be controlled. The controller 170 may control the image display apparatus 100 by a user command or an internal program input through the interface unit 150.

Although not shown in FIG. 1, the controller 170 may include a demultiplexer, an image processor, a voice processor, and the like.

The controller 170 may control the tuner 110 to control the tuner 110 to select an RF broadcast corresponding to a channel selected by a user or a pre-stored channel.

The controller 170 may demultiplex the received stream signal, for example, the MPEG-2 TS, and divide the received stream signal into video, audio, and data signals, respectively. Here, the stream signal input to the controller 170 may be a stream signal output from the tuner 110, the demodulator 120, or the external signal input / output unit 130.

In addition, the controller 170 may perform image processing of the demultiplexed image signal. For example, when the demultiplexed video signal is an encoded video signal, video decoding may be performed. In addition, the controller 170 may process brightness, tint and color of the image signal.

The image signal processed by the controller 170 may be input to the display 180 and displayed as an image corresponding to the image signal. In addition, the image signal processed by the controller 170 may be input to the external output device through the external signal input / output unit 130.

In addition, the controller 170 may perform voice processing of the demultiplexed voice signal. For example, if the demultiplexed speech signal is a coded speech signal, it can be decoded. In addition, the controller 170 may process a base, treble, volume control, and the like.

The voice signal processed by the controller 170 may be sound output to the sound output unit 185. In addition, the voice signal processed by the controller 170 may be input to the external output device through the external signal input / output unit 130.

In addition, the controller 170 may perform data processing of the demultiplexed data signal. For example, when the demultiplexed data signal is an encoded data signal, it may be decoded. The encoded data signal may be EPG (Electronic Progtam Guide) information including broadcast information such as a start time and an end time of a broadcast program broadcasted in each channel. For example, the EPG information may be TSC-PSIP (ATSC-Program and System Information Protocol) information in the ATSC scheme, and may include DVB-Service Information (DVB-SI) in the DVB scheme. . The ATSC-PSIP information or the DVB-SI information may be information included in the aforementioned stream, that is, the header (4 bytes) of the MPEG-2 TS.

In addition, the controller 170 may perform an on screen display (OSD) process. In detail, the controller 170 may display various types of information on a screen of the display 180 based on at least one of an image processed image signal and a data processed data signal or a user input signal input through the remote controller 200. It can generate a signal to display the graphic (Graphic) or text (Text). The generated OSD signal may be input to the display 180 together with the image processed image signal and the data processed data signal.

The signal generated for the graphic or text display described above may include various data such as a user interface screen, various menu screens, widgets, and icons of the image display apparatus 100.

In addition, the controller 170 receives an analog baseband video / audio signal (CVBS / SIF) and performs signal processing. Here, the analog baseband video / audio signal CVBS / SIF input to the controller 170 may be an analog baseband video / audio signal output from the tuner 110 or the external signal input / output unit 130. The signal processed video signal is input to the display 180 to display an image, and the processed audio signal is input to the audio output unit 185, for example, a speaker, to output audio.

The controller 170 may receive a signal transmitted from the remote controller 200 through the interface unit 150. The controller 170 determines a command input by the user to the remote control apparatus 200 through the received signal and controls the image display apparatus 100 to correspond to the command. For example, when the user inputs a predetermined channel selection command, the controller 170 controls the tuner 110 to input a signal of the selected channel. It also processes video, audio, or data signals on selected channels. The controller 170 allows the channel information selected by the user to be output through the display 180 or the audio output unit 185 together with the processed video or audio signal.

As another example, the user may input another type of video or audio output command through the remote control apparatus 200. The user may want to watch a camera or camcorder video signal input through the external signal input / output unit 130 instead of the broadcast signal. In this case, the controller 170 may output the video signal or the audio signal input through the external signal input / output unit 130 through the display 180 or the audio output unit 185.

The controller 170 may determine a user command input by a local key included in the image display apparatus 100 and control the image display apparatus 100 to correspond thereto. For example, the user may input an on / off command, a channel change command, a volume change command, or the like, through the local key. The local key may be formed of a button or a key formed on the image display apparatus 100. The controller 170 may determine whether the local key is manipulated and control the image display apparatus 100 accordingly.

The display 180 converts an image signal, a data signal, an OSD signal, or an image signal, data signal, etc., received from the external signal input / output unit 130, processed by the controller 170, into R, G, and B signals, respectively. Generate a signal. The display 180 may be a PDP, an LCD, an OLED, a flexible display, or the like.

The display 180 may be configured as a touch screen and used as an input device in addition to the output device.

The sound output unit 185 receives a signal processed by the controller 170, for example, a stereo signal, a 3.1 channel signal, or a 5.1 channel signal, and outputs a voice signal. The voice output unit 185 may be implemented by various types of speakers.

The remote control apparatus 200 transmits a user input to the interface unit 150. To this end, the remote control apparatus 200 can use Bluetooth, RF (radio frequency) communication, infrared (IR) communication, UWB (Ultra Wideband), ZigBee, or the like. In addition, the remote control apparatus 200 may receive an image, an audio or a data signal output from the interface unit 150, and display or output the audio from the remote control apparatus 200.

The video display device 100 described above is a fixed type of ATSC (8-VSB) digital broadcasting, DVB-T (COFDM) digital broadcasting, ISDB-T (BST-OFDM) digital broadcasting, and the like. It may be a digital broadcast receiver capable of receiving at least one. In addition, as a mobile type, digital broadcasting of terrestrial DMB system, digital broadcasting of satellite DMB system, digital broadcasting of ATSC-M / H system, digital broadcasting of DVB-H system (COFDM system) and media flow link only system It may be a digital broadcast receiver capable of receiving at least one of digital broadcasts. It may also be a digital broadcast receiver for cable, satellite communications, or IPTV.

On the other hand, the video display device described in the present specification is a TV receiver, a mobile phone, a smart phone (notebook computer), a digital broadcasting terminal, PDA (Personal Digital Assistants), PMP (Portable Multimedia Player), etc. May be included.

2A and 2B are perspective views of an image display apparatus 100 and a spatial remote control 201 capable of inputting a command to the image display apparatus according to an embodiment of the present invention.

The spatial remote control 201 is one of the remote control apparatus 200 that can input a command to the image display apparatus 100. In this embodiment, the spatial remote control 201 transmits and receives a signal with the image display device 100 according to the RF communication standard. As illustrated in FIG. 2A, a pointer 202 corresponding to the spatial remote control 201 may be displayed on the image display apparatus 100.

The user may move or rotate the space remote control 201 up, down, left, and right. The pointer 202 displayed on the image display apparatus 100 corresponds to the movement of the spatial remote control 201. 2B illustrates a bar in which the pointer displayed on the image display apparatus 100 moves in response to the movement of the spatial remote control 201.

In FIG. 2B, when the user moves the spatial remote control 201 to the left side, the pointer displayed on the image display apparatus 100 also moves to the left side correspondingly. In this embodiment, the spatial remote control 201 is provided with a sensor that can determine the movement. Information about the movement of the spatial remote controller 201 detected by the sensor of the spatial remote controller 201 is transmitted to the image display apparatus 100. The image display apparatus 100 determines the operation of the spatial remote control 201 from the information about the movement of the spatial remote control 201 and calculates a coordinate value of the pointer 202 corresponding thereto.

2A and 2B illustrate an example in which the pointer 200 displayed on the display 170 moves in response to up, down, left, or right rotation of the spatial remote control 201. The moving speed or the moving direction of the pointer 200 may correspond to the moving speed or the moving direction of the spatial remote control 201. In the present embodiment, the pointer displayed on the image display apparatus 100 is set to move in response to the operation of the spatial remote control 201. As another example, a predetermined command may be input to the image display apparatus 100 in response to the operation of the spatial remote control 201. That is, when moving back and forth of the spatial remote control 201, the size of the image displayed on the image display apparatus 200 may be enlarged or reduced. Therefore, this embodiment does not limit the scope of the present invention.

3 is an internal block diagram of an interface unit 150 of the spatial remote control 201 and the image display apparatus 100 according to an embodiment of the present invention.

As shown, the spatial remote control 201, the wireless communication unit 220, the user input unit 230, sensor unit 240, output unit 250, power supply unit 260, storage unit 270, control unit ( 280).

The wireless communication unit 220 transmits and receives a signal with the image display device 100. In the present exemplary embodiment, the spatial remote controller 201 may include an RF module 221 capable of transmitting and receiving a signal with the interface unit 150 of the image display apparatus 100 according to an RF communication standard. In addition, the spatial remote controller 201 may include an IR module 223 capable of transmitting and receiving signals with the interface unit 150 of the image display apparatus 100 according to an IR communication standard.

In the present embodiment, the spatial remote control 201 transmits a signal containing information on the operation of the spatial remote control 201 to the image display apparatus 100 through the RF module 221. In addition, the spatial remote controller 201 may receive a signal transmitted from the image display apparatus 100 through the RF module 221. In addition, the spatial remote controller 201 may transmit a command regarding power on / off, channel change, volume change, etc. to the image display device 100 through the IR module 223 as necessary.

The user input unit 230 may be configured as a keypad or a button. The user may input a command related to the image display apparatus 100 to the spatial remote controller 201 by manipulating the user input unit 230. When the user input unit 230 includes a hard key button, the user may input a command related to the image display apparatus 100 to the spatial remote control 201 through a push operation of the hard key button. When the user input unit 230 includes a touch screen, the user may input a command related to the image display apparatus 100 to the spatial remote controller 201 by touching a soft key of the touch screen. In addition, the user input unit 230 may include various kinds of input means that a user can operate, such as a scroll key or a jog key, and the present embodiment does not limit the scope of the present invention.

The sensor unit 240 may include a gyro sensor 241 or an acceleration sensor 243. The gyro sensor 241 may sense information about the operation of the spatial remote control 201. For example, the gyro sensor 241 may sense information about the operation of the spatial remote controller 201 based on the x, y, and z axes. The acceleration sensor 243 may sense information about a moving speed of the spatial remote control 201.

The output unit 250 may output a video or audio signal corresponding to a manipulation of the user input unit 230 or a signal transmitted from the image display apparatus 100. The user may recognize whether the user input unit 230 is manipulated or whether the image display apparatus 100 is controlled through the output unit 250.

For example, the output unit 250 may include a LED module 251 that is turned on when the user input unit 230 is manipulated or a signal is transmitted and received with the image display device 100 through the wireless communication unit 220, and a vibration module generating vibration. 253, a voice output module 255 for outputting audio, or a display module 257 for outputting an image.

The power supply unit 260 supplies power to the space remote control 201. The power supply unit 260 may reduce power waste by stopping power supply when the space remote control 201 does not move for a predetermined time. The power supply unit 260 may resume power supply when a predetermined key provided in the space remote control 201 is operated.

The storage unit 270 may store various types of programs, application data, and the like required for controlling or operating the spatial remote controller 201. If the spatial remote control 201 wirelessly transmits and receives a signal through the image display apparatus 100 and the RF module 221, the spatial remote control 201 and the image display apparatus 100 transmit and receive signals through a predetermined frequency band. . The control unit 280 of the spatial remote control unit 201 stores and refers to information on a frequency band for transmitting and receiving a signal wirelessly with the image display apparatus 100 paired with the spatial remote control unit 201 in the storage unit 270. Can be.

The controller 280 controls various items related to the control of the spatial remote controller 201. The controller 280 transmits a signal corresponding to a predetermined key manipulation of the user input unit 230 or a signal corresponding to an operation of the spatial remote controller 201 sensed by the sensor unit 240 through the wireless communication unit 220. 100 may be transmitted to the interface unit 150.

The interface unit 150 of the image display apparatus 100 calculates a coordinate value of a wireless communication unit 151 capable of transmitting and receiving a signal wirelessly with the spatial remote controller 201 and a pointer corresponding to the operation of the spatial remote controller 210. A coordinate value calculator 154 can be provided.

The interface unit 150 may transmit and receive a signal wirelessly with the spatial remote controller 201 through the RF module 152. In addition, through the IR module 153, the spatial remote control unit 201 may receive a signal transmitted according to the IR communication standard.

The coordinate value calculator 154 corrects a hand shake or an error from a signal corresponding to the operation of the spatial remote controller 201 received through the wireless communication unit 151 to display the coordinate value of the pointer 202 to be displayed on the display 170. x, y) can be calculated.

The spatial remote control 201 transmission signal input to the image display apparatus 100 through the interface unit 150 is transmitted to the controller 180 of the image display apparatus 100. The controller 180 may determine the information on the operation and the key operation of the spatial remote control 201 from the signal transmitted from the spatial remote control 201 and control the image display apparatus 100 accordingly.

As another example, the spatial remote controller 201 may calculate a pointer coordinate value corresponding to the operation of the spatial remote controller and output the pointer coordinate value to the interface unit 150 of the image display apparatus 100. In this case, the interface unit 150 of the image display apparatus 100 may transmit the information about the received pointer coordinate value to the controller 180 without a separate camera shake or error correction process.

1 and 3 is a block diagram of the spatial remote control 201 of the image display apparatus 100 and the remote control apparatus 200 is a block diagram for an embodiment of the present invention. Each component of the block diagram may be integrated, added, or omitted according to the specifications of the image display apparatus 100 and the spatial remote control 201 that are actually implemented. That is, two or more constituent elements may be combined into one constituent element, or one constituent element may be constituted by two or more constituent elements, if necessary. In addition, the functions performed in each block are intended to illustrate the embodiments of the present invention, and the specific operations and apparatuses do not limit the scope of the present invention.

4 is a flowchart referred to for describing the operation method of the image display apparatus according to the first embodiment of the present invention. In the present exemplary embodiment, the image display apparatus 100 may display a caption corresponding to the image being played on the display 180. The user may select predetermined text among subtitles displayed on the display 180. The image display apparatus 100 may display the display 180 of at least one of a meaning of a word composed of selected text, a synonym, an opposite word, and a word of another language having the same meaning. That is, the image display apparatus 100 may display the text related information selected by the user on the display 180.

The controller 170 of the image display apparatus 100 may receive a subtitle display mode entry command (S10). In the present embodiment, the caption screen mode is a mode for displaying a caption corresponding to an image being played on the display 180. The user may input a caption screen mode entry command to the image display apparatus 100 while watching an image through the image display apparatus 100. The user may input a caption screen mode entry command to the image display apparatus 100 using the remote control apparatus 200 such as the spatial remote controller 201. In addition, the user may input a caption screen mode entry command to the image display apparatus 100 by manipulating a local key provided in the image display apparatus 100.

In addition, the image display apparatus 100 may automatically enter the caption screen mode when detecting the caption data corresponding to the image being played. The caption data may be stored in the storage 140 of the image display apparatus 100. In addition, when the image display apparatus 100 reproduces an image based on the broadcast signal received through the tuner unit 110, when the caption data is included in the data signal related to the image being played, the image display apparatus 100 automatically enters the caption screen mode. You can enter. In addition, the image display apparatus 100 may search for caption data corresponding to an image currently being played on an internet network connected through a network. The image display apparatus 100 may enter the caption screen mode when the caption data corresponding to the image currently being played is found.

When the image display apparatus 100 enters the caption screen mode, the controller 170 may display the caption corresponding to the image being played on the display 180 (S15). The subtitle may be displayed on one side of the image currently being played. Subtitles may also be displayed to overlap with the video currently being played. In addition, the caption may be displayed on the display 180 through a pop-up window or a widget. In the case of the display 180 capable of displaying a 3D object, a popup window or a widget indicating a caption may be displayed through the 3D object.

The remote control apparatus 200 of this embodiment is a spatial remote control 201. In the present embodiment, the user may control the image display apparatus 100 using the spatial remote control 201. The spatial remote controller 201 transmits a signal corresponding to a button of the spatial remote controller operated by the user or a user's movement to the image display apparatus 100. The image display apparatus 100 receives a signal transmitted from the spatial remote control 201 (S20).

In the present exemplary embodiment, the image display apparatus 100 may display a pointer on the display 180 based on a signal transmitted from the spatial remote controller 201. The user may select an unknown word among words displayed in the subtitle by using the pointer. For example, the user operates the spatial remote control 201 so that the pointer is located at the unknown word during the subtitle, and selects the unknown word in the subtitle using the pointer displayed on the display 180 based on the signal transmitted by the spatial remote control 201. Can be. The user can drag a pointer to select an unknown word in the subtitle. The controller 170 selects an area in which the user drags the pointer among the subtitles (S25).

The controller 170 searches for a word in the selected area (S30). The controller 170 may search for the meaning of the word in the selected area by referring to the dictionary stored in the storage 140. In addition, the meaning of a word in a selected area may be searched by referring to data of an internet network connected through a network. The controller 170 may display the meaning of the searched word on the display 180 using a popup window or a widget (S35).

In the present exemplary embodiment, the controller 170 searches for the meaning of the word composed of the text selected by the user and displays the meaning of the word on the display 180. In another embodiment, the controller 170 may display on the display 180 the word-related information including the selected text of the consent of the word selected by the user, an opposite word, a word having the same meaning of another language, and the like. The user may select word related information that may be displayed on the image display apparatus 100.

5 is a screen displayed on the display 180 of the image display apparatus 100 according to the second embodiment of the present invention.

In this embodiment, the video display device 100 enters the caption screen mode. The controller 170 displays the video screen 301 being played back on the display 180. In addition, the controller 170 displays a caption window 302 corresponding to the image currently being played on the display 180. In addition, the controller 170 displays a pointer 303, which is generated based on a signal transmitted from the spatial remote control 201 used by the user, on the display 180.

In the present exemplary embodiment, the controller 170 displays the subtitle window 302 on the right side of the video screen 301 currently being played. As another example, the controller 170 may display a caption window on the bottom or left side of the video screen 301 currently being played. In addition, in an image display apparatus capable of displaying 3D objects, the caption window may be implemented as a 3D object that appears to protrude toward the user.

In the present exemplary embodiment, the subtitle displayed in the subtitle window 302 may be scrolled to correspond to the audio output from the image currently being played. In addition, the controller 170 may change the display state of the portion corresponding to the subtitle corresponding to the audio output from the video currently being reproduced from other subtitles. In the present exemplary embodiment, the controller 170 may display the subtitle 304 corresponding to the voice currently output through the sound output unit 185 to be different from other subtitles. In another embodiment, the controller 170 may display the letters of the subtitle 304 corresponding to the currently output voice in bold or shaded form. In addition, in the image display apparatus capable of displaying a 3D object, it may be implemented as a 3D object so that the subtitle 304 corresponding to the currently output voice appears to protrude toward the user.

The user may select at least one text among the texts included in the subtitle window 302 by using the pointer 304 positioned in the subtitle window 302.

6 is a screen displayed on the display 180 of the image display apparatus 100 according to the third embodiment of the present invention.

In the present exemplary embodiment, the user may select at least one or more texts among the texts included in the subtitle window 302 by using the pointer 304. The controller 170 controls the pointer after the user presses the OK key of the spatial remote control 201. If 304 is dragged, an area corresponding to the dragged area is selected. The selected area 306 may be shaded. The user can check the currently selected text through shading.

In another embodiment, the video screen 301 or the caption window 302 may be displayed on the touch screen. The user may touch a word that the user wants to select from the subtitle window 302 displayed on the touch screen. The controller 170 may detect a user's touch and select text corresponding to the touched area.

7 is a screen displayed on the display 180 of the image display apparatus 100 according to the fourth embodiment of the present invention.

In the present embodiment, the controller 170 may display the information related to the selected text or the word composed of the selected text on the display 180 through a pop-up window or a widget. In the case of a display capable of displaying a 3D object, the controller 180 may display information related to the selected text or a word composed of the selected text through the 3D object.

If the user drags the pointer 304 to select a predetermined word or if the user drags the pointer 304 to select a predetermined word, the controller 170 inputs a selection word search command to the image display device 170. In this case, the display 180 may display a pop-up window 311 indicating the meaning of the word composed of the selected text.

The user may input a selection word search command to the image display apparatus 100 by operating an OK button or the like of the remote control apparatus 200 in use. In addition, a user may input a selection word search command to the image display apparatus 100 by manipulating a local key provided in the image display apparatus 100.

When a predetermined word is selected or a selected word search command is input to the image display apparatus 100, the controller 170 may search for the meaning of the selected word in a dictionary stored in the storage 140. In addition, the controller 170 may search for a meaning of a selected word in an internet network connected through a network.

The controller 170 may display the meaning of a word searched by the storage 140 or searched on the Internet network on the display 180 using the pop-up window 311. In another embodiment, the controller 170 may display the meaning of the selected word on the image screen 301 or the caption window 302 using text.

When displaying the word related information including the selected text on the display 180, the controller 170 may display other subtitles included in the subtitle window 302 so that the subtitles are not hidden. In addition, the controller 170 may display the word related information on the display 180 in a translucent manner. In addition, the controller 170 may display word related information using text implemented as a 3D object.

8 is a screen displayed on the display 180 of the image display apparatus 100 according to the fifth embodiment of the present invention.

In the present exemplary embodiment, the image display apparatus 100 may display other word related information on the display 180 in addition to the meaning of the word composed of the selected text. The word-related information may include a meaning of the word, synonyms, an opposite word, or a word obtained by translating the word into another language. After selecting a word, the user may select word-related information that he or she wants to display. The controller 170 may display word-related information corresponding to the user's selection on the display 180.

When the user selects a word using the pointer 304 or inputs a selected word search command to the image display apparatus 100, the controller 170 displays a popup window 313 including a list of word related information on the display 170. do. The sales window 313 formed of a word-related information list is a pop-up window composed of a list of types of information that can be provided by the image display apparatus 100 in relation to the selected word.

The user may select word related information to be provided in the popup window 313. The user may select an item corresponding to the desired word related information from the pop-up window 313 by using the remote control apparatus 200 or the local key provided in the image display apparatus 100. If the pop-up window 313 is displayed on the touch screen, the user may touch and select an item corresponding to the desired word related information.

9 is a screen displayed on the display 180 of the image display apparatus 100 according to the sixth embodiment of the present invention.

In the present exemplary embodiment, the controller 170 may display, on the display 180, information about a subtitle related to an image currently being played. If the subtitles related to the image currently being played are provided in at least two languages, the controller 170 displays information on the language of the subtitles that the user can select in relation to the image currently being played on the display 180. can do.

In this embodiment, the languages of the subtitles related to the video being played are English, Korean, Chinese, and French. The controller 170 displays the caption window 302 in a language corresponding to the user's selection or the bar set in the image display apparatus 100 on the display 180.

In addition, the controller 170 displays on the display 180 an icon 315 consisting of information on a subtitle language related to the image currently being played. The icon 315 may be displayed so as not to overlap with the video being played or the caption being displayed. As another example, the icon 315 may be displayed as translucent or 3D object.

The user may select a language in which the subtitle is to be provided from the icon 315. The user may select a desired language by using a local key provided in the remote control apparatus 200 or the image display apparatus 100. When the icon 315 is displayed on the touch screen, the user may touch and select a subtitle language to be provided among the icons 315.

The controller 170 may display the caption corresponding to the language selected by the user in the caption window 302.

In addition, the image display apparatus and its operation or control method according to the present invention are not limited to the configuration and method of the above-described embodiments, but the embodiments may be modified in various ways. All or some of these may optionally be combined.

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

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

1 is a block diagram of an image display apparatus according to an embodiment of the present invention;

2A and 2B are front perspective views of an image display device and a spatial remote control according to an embodiment of the present invention;

3 is a block diagram of a spatial remote control according to an embodiment of the present invention;

4 is a flowchart provided to explain a method of operating an image display device according to an embodiment of the present invention;

5 to 9 are views for explaining an operation method of an image display apparatus according to an embodiment of the present invention.

Explanation of symbols on the main parts of the drawings

100: image display device 150: interface unit

170: control unit 200: remote control device

201: spatial remote control 202: pointer

220: wireless communication unit 280: control unit

Claims (12)

Playing back an image; Displaying a caption corresponding to the image being played; Receiving a signal transmitted from the spatial remote controller; Selecting at least one text among the displayed subtitles based on a signal transmitted from the spatial remote controller; And And displaying the selected text-related information. The method of claim 1, And the text related information is information representing the meaning of the text. The method of claim 1, Selecting a type of text-related information displayed in the text-related information display step; The displaying of the text related information may include displaying the selected text related information. The method of claim 3, wherein The type setting step of the text related information may include: Displaying a list of items corresponding to information that can be provided in relation to the selected text; Receiving a command for selecting a predetermined item from the list; And selecting text related information of an item corresponding to the received command. The method of claim 3, wherein And the text related information is at least one of a meaning, a synonym, an opposite word, and text of another language having the same meaning. The method of claim 1, The displaying of the text related information may include displaying a popup window including the text related information. The method of claim 1, And displaying the text-related information in a translucent manner. The method of claim 1, And displaying the text-related information so that the text-related information does not overlap with the subtitles. The method of claim 1, And displaying at least one of a color, a font, a size, and a depth of a subtitle corresponding to a voice currently output from the reproduced image so as to be different from other subtitles. The method of claim 1, Displaying a pointer corresponding to a signal transmitted from the spatial remote controller; And the text selected in the text selection step is text displayed on a region to which the pointer is dragged. A display for displaying an image and a subtitle being played; An interface unit for receiving a signal transmitted from the spatial remote controller; And And a controller configured to select at least one text among subtitles displayed on the display based on a signal received through the interface unit, and control the display to display the selected text-related information. The method of claim 11, And the text related information is information representing the meaning of the text.

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