KR20110065937A - Apparatus for displaying image and method for operating the same - Google Patents

Abstract

PURPOSE: A video display device and an operation method thereof are provided to display a video communication image on a separated display at a single image display device. CONSTITUTION: An image is marked on a first display(S400). A video communication image is marked on a second display(S410). The video communication image includes at least one among a user image to be transmitted and a received opponent image. At least one between the user image and the opponent image is displayed on a separated third display.

Description

Apparatus for displaying image and method for operating the same}

The present invention relates to a method of operating an image display device, and more particularly, to an image display device and a method of operating the same.

The image display device is a device having a function of displaying an image that a user can watch. In addition, the image display apparatus may display a broadcast selected by the user among the broadcast signals transmitted from the broadcasting station on the display. Currently, the trend is shifting from analog broadcasting to digital broadcasting worldwide.

Such digital broadcasts transmit digital video and audio signals, and are more resistant to external noise than analog broadcasts, and thus have low data loss, are advantageous for error correction, provide high resolution, and provide a clear picture. In addition, with the implementation of digital broadcasting, interactive services have become possible.

In addition, as the functions of the image display apparatus are increasingly diversified, the image display apparatus may be provided with a video communication function that allows a user to communicate with each other while viewing images by transmitting images, voices, and data to each other.

However, there is a case where the viewing and the video communication of a predetermined video cannot be performed at the same time, or even when the video is in parallel, each video is overlapped or reduced and displayed.

Accordingly, an object of the present invention is to provide an image display apparatus and an operation method thereof in which user convenience can be increased.

A method of operating an image display apparatus according to an embodiment of the present invention for achieving the above object is a method of operating an image display apparatus having a first display and a second display separate from the first display, wherein the image is displayed; And displaying the video communication image on the second display.

According to an embodiment of the present invention, an image display apparatus includes a first display, a second display separate from the first display, and a first control unit controlling the first display to display an image. And a second controller for controlling the second display to display an image.

As a result, when video communication is performed during video viewing, user convenience may be increased by displaying the video communication video on a separate display in a single video display device so as not to interfere with viewing of the displayed video.

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 120, a signal input / output unit 128, a demodulator 130, an interface unit 150, and a first controller 160. ), A second control unit 163, a first storage unit 175, a second storage unit 178, a first display 180, a second display 183, and a voice output unit 185. Can be.

The tuner 120 selects an RF broadcast signal corresponding to a channel selected by a user among RF (Radio Frequency) broadcast signals received through an antenna, and converts the selected RF broadcast signal into an intermediate frequency signal or a baseband video / audio signal. To convert. For example, if the selected RF broadcast signal is a digital broadcast signal, it is converted into a digital IF signal (DIF). If the analog broadcast signal is converted into an analog baseband video / audio signal (CVBS / SIF). That is, the tuner 120 may be a hybrid tuner capable of processing digital broadcast signals and analog broadcast signals. The analog baseband video / audio signal CVBS / SIF output from the tuner 120 may be directly input to the first controller 160.

In addition, the tuner 120 may receive an RF broadcast signal of a single carrier according to an Advanced Television Systems Committee (ATSC) scheme or an RF broadcast signal of multiple carriers according to a digital video broadcasting (DVB) scheme, as described below. Do.

Meanwhile, although one tuner 120 is illustrated in the drawing, the present invention is not limited thereto, and a plurality of tuners may be used. In this case, the second tuner (not shown) may receive a corresponding RF broadcast signal of a pre-stored broadcast channel sequentially / periodically, separately from a radio frequency (RF) broadcast signal received through the tuner 120. Do. Similar to the tuner 120, the second tuner converts the received RF broadcast signal into a digital IF signal (DIF) if the received RF broadcast signal is a digital broadcast signal, and analog baseband video / audio signal ( CVBS / SIF).

The demodulator 130 receives the digital IF signal DIF converted by the tuner 120 and performs a demodulation operation.

For example, when the digital IF signal DIF output from the tuner 120 is an ATSC scheme, the demodulator 130 performs 8-VSB (8-Vestigal Side Band) demodulation. In addition, the demodulator 130 may perform channel decoding. To this end, the demodulator 130 includes a trellis decoder, a de-interleaver, a reed solomon decoder, and the like. de-interleaving) and read solo decoding.

For example, when the digital IF signal DIF output from the tuner 120 is a DVB scheme, the demodulator 130 performs coded orthogonal frequency division modulation (COFDMA) demodulation. In addition, the demodulator 130 may perform channel decoding. To this end, the demodulator 130 may include a convolution decoder, a deinterleaver, a reed-soloman decoder, and the like to perform convolutional decoding, deinterleaving, and reed soloman decoding.

The signal input / output unit 128 performs signal input / output with an external device. To this end, the signal input / output unit 128 may include an A / V input / output unit, and a wireless communication unit.

The signal input / output unit 128 is connected to an external device such as a DVD (Digital Versatile Disk), a Blu-ray (Blu ray), a game device, a camcorder, a computer (laptop), or the like to receive an external input video signal, an external input audio signal, and an external device. The input data signal is transmitted to the first control unit 160 or the second control unit 163 in the image display device 100. In addition, the video signal, the audio signal, and the data signal processed in the first control unit 160 or the second control unit 163 may be output to another 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 terminal (analog) for input / output of video / audio / data signals with an external device. ), A DVI (Digital Visual Interface) terminal, an HDMI (High Definition Multimedia Interface) terminal, an RGB terminal, a D-SUB terminal, an IEEE 1394 terminal, an SPDIF terminal, a Liquid HD terminal, and the like.

The digital signal input through the various terminals may be input to the first controller 160 or the second controller 163. Meanwhile, the analog signals input through the CVBS terminal and the S-video terminal are input to the first control unit 160 or the second control unit 163 or digital signals through a separate analog / digital converter (not shown). Can be converted to

The wireless communication unit may perform a wireless internet connection. For example, for wireless internet access, a wireless local area network (WLAN), wireless broadband (Wibro), world interoperability for microwave access (Wimax), high speed downlink packet access (HSDPA), or the like may be used. have.

In addition, the wireless communication unit may perform near field communication with other electronic devices. For example, Bluetooth, Radio Frequency Identification (RFID), Infrared Data Association (IrDA), Ultra Wideband (UWB), ZigBee, etc. may be used.

Meanwhile, the signal input / output unit 128 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, if the set-top box is a set-top box for an Internet Protocol (IP) TV, the video, audio, and data signals processed by the set-top box for IPTV may be transmitted to the second control unit 163 so as to enable bidirectional communication. In addition, the signals processed by the first control unit 160 or the second control unit 163 may be transferred to the set-top box for IPTV.

Meanwhile, the above-described IPTV may mean an ADSL-TV, a VDSL-TV, an FTTH-TV, etc. according to the type of the transmission network, or may include an internet TV or a full-browsing TV with Internet access. .

Meanwhile, the image display apparatus 100 may perform internet access or communication through the Ethernet terminal of the signal input / output unit 128 described above, a wireless communication unit, or an IP (Internet Protocol) TV set-top box. .

Also, as illustrated in FIG. 1, the signal input / output unit 110 may be connected to a camera 190 capable of capturing a still image and a moving image. The camera 190 may photograph an image of the user in video communication and transmit the image to the counterpart or display the image on the image display device. In addition, the camera 190 may be connected to an interface such as a USB terminal, a wireless communication unit of the signal input / output unit 110. On the other hand, the image display device according to the present invention may be a built-in camera 190, the first control unit 160 or the second control unit 163 may directly control the operation of the camera 190.

Meanwhile, when the signal output from the signal input / output unit 128 is a digital signal, the signal may be input to the first controller 160 or the second controller 163 and processed. The output digital signal may be a signal according to various standards, but the drawing illustrates a stream signal. The stream signal TS 2 may be a signal multiplexed with a video signal, an audio signal, and a data signal. For example, the stream signal TS 2 may be an MPEG-2 TS (Transprt Stream) multiplexed with an MPEG-2 standard video signal, a Dolby AC-3 standard audio signal, and the like.

The demodulator 130 may perform demodulation and channel decoding and output a stream signal TS 1. The stream signal TS 1 at this time may be a signal multiplexed with a video signal, an audio signal and a data signal. For example, the stream signal TS 1 may be an MPEG-2 TS (Transprt Stream) multiplexed with an MPEG-2 standard video signal, a Dolby AC-3 standard audio signal, and the like. In more detail, the MPEG-2 TS may include a header of 4 bytes and a payload of 184 bytes.

The stream signal TS1 is input to the first control unit 160 or the second control unit 163 to perform demultiplexing, signal processing, and the like. On the other hand, before being input to the first control unit 160 or the second control unit 163, it is also possible to be input to the channel browsing processing unit (not shown) to perform a process for channel browsing.

On the other hand, the demodulator 130 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 interface unit 150 transmits an input signal from the user to the first control unit 160 or transmits a signal from the first control unit 160 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. Receive a user input signal of the or may transmit a signal from the first control unit 160 to the remote control device 200. The input signal from the user may be transmitted to the second control unit 163 or the signal from the second control unit 163 may be transmitted to the user.

The first controller 160 may demultiplex the input stream and signal-process the demultiplexed signals to generate and output signals for video and audio output. In addition, the overall operation of the image display apparatus 100 may be controlled.

Although not illustrated, the first controller 160 may include a demultiplexer, an image processor, an audio processor, a data processor, an OSD generator, and the like.

The first controller 160 may control the tuner 120 to control the tuning of the RF broadcast corresponding to the channel selected by the user or the stored channel.

In addition, the first controller 160 may demultiplex the received stream signal TS 1 or TS 2, for example, MPEG-2 TS, and separate the video into a video signal, an audio signal, and a data signal, respectively.

Also, the first controller 160 may perform image processing of the demultiplexed video signal. For example, when the demultiplexed video signal is an encoded video signal, it may be decoded. Specifically, when the demultiplexed video signal is an encoded video signal of MPEG-2 standard, it may be decoded by an MPEG-2 decoder. In addition, when the demultiplexed video signal is a video signal of the H.264 standard according to the Digital Multimedia Broadcasting (DMB) scheme or DVB-H, it may be decoded by the H.264 decoder.

In addition, the first controller 160 may process brightness, tint, color, and the like of the image signal.

The image signal processed by the first controller 160 is input to the first display 180 to be displayed. It is also possible to input to an external output terminal connected to an external output device (not shown).

Also, the first controller 160 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. Specifically, when the demultiplexed speech signal is an encoded speech signal of MPEG-2 standard, it may be decoded by an MPEG-2 decoder. In addition, when the demultiplexed speech signal is an encoded speech signal of MPEG 4 Bit Sliced Arithmetic Coding (BSAC) standard according to the terrestrial digital multimedia broadcasting (DMB) scheme, it may be decoded by an MPEG 4 decoder. In addition, when the demultiplexed speech signal is an encoded audio signal of the AAC (Advanced Audio Codec) standard of MPEG 2 according to the satellite DMB scheme or DVB-H, it may be decoded by the AAC decoder.

In addition, the first controller 160 may process base, treble, volume control, and the like.

The voice signal processed by the first controller 160 is input to the voice output unit 185, for example, a speaker, and outputs voice. It is also possible to input to an external output terminal connected to the external output device.

In addition, the first controller 160 may receive an analog baseband video / audio signal CVBS / SIF and perform signal processing. Here, the analog baseband video / audio signal CVBS / SIF input to the first controller 160 may be an analog baseband video / audio signal output from the tuner 120 or the signal input / output unit 128. The signal processed image signal is input to the display 180 and is displayed. The signal processed audio signal is input to the audio output unit 185, for example, a speaker, to output audio.

Also, the first controller 160 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 first controller 160 may perform a control operation for On Screen Display (OSD) processing. Specifically, the first control unit 160 may display various types of information on the basis of a graphic or a graphic signal based on at least one of an image processed video signal and a data processed data signal or a user input signal from the remote controller 200. It is possible to generate an OSD signal for display as text.

The OSD 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.

Similar to the first control unit 160 described above, the second control unit 163 receives stream signals TS1 and TS2 or analog video / audio signals, and performs video signal processing, audio signal processing, data signal processing, and the like. Can be done. Other operations refer to the first controller 160.

The first controller 160 can transmit / receive an image signal and a data signal with the second controller 163. In the drawing, although the first control unit 160 and the second control unit 163 operate in parallel, respectively, the present invention is not limited thereto, and the second control unit 163 may operate dependently on the first first control unit 160. It is also possible.

Meanwhile, in the exemplary embodiment of the present invention, the first controller 160 performs the image signal and the data signal processing displayed on the first display 180, and the second controller 163 is displayed on the second display. It is assumed that video signal and data signal processing are performed.

When displaying a video communication image, by displaying the image on the second display 183 in a single image display device 100, it is possible to increase the user convenience such as not to interfere with viewing of the displayed image.

For example, when video communication is started while the broadcast signal image received through the tuner 120 and the demodulator 130 is displayed on the first display 180 under the control of the first controller 160, The second controller 163 may control to display the video communication image on the second display 183.

Accordingly, the user can watch the video being viewed as it is, display the video communication image through a separate display, and the user can perform video communication, thereby increasing user convenience.

On the other hand, when the control of the second display 183 is performed by the second control unit 163, there is an advantage that can reduce the signal processing amount of the first control unit 160 more.

Although not shown in the drawing, each or any one interface may be disposed between the first control unit 160 and the second control unit 163.

In the first storage unit 175 or the second storage unit 178, programs for signal processing and control in the first control unit 160 or the second control unit 163 may be stored, respectively. Video signals, audio signals and data signals may also be stored.

In addition, the first storage unit 175 or the second storage unit 178 may perform a function for temporarily storing an image, audio, or data signal input from the signal input / output unit 128.

The first storage unit 175 or the second storage unit 178 may be a flash memory type, a hard disk type, a multimedia card micro type, a card type memory ( For example, it may include a storage medium of at least one type of SD, XD memory, etc.), RAM, ROM (EEPROM, etc.).

On the other hand, the image display apparatus 100 reproduces files (movie files, still image files, music files, document files, etc.) stored in the first storage unit 175 or the second storage unit 178, respectively. The first display 180 and the second display 183 may be provided to the user.

The first display 180 or the second display 183 is received by the image signal, data signal, OSD signal or signal input / output unit 128 processed by the first control unit 160 or the second control unit 163, respectively. The driving signal is generated by converting the video signal, the data signal, and the like into R, G, and B signals, respectively.

The first display 180 or the second display 183 may be implemented in various forms such as a PDP, an LCD, an OLED, a flexible display, and a 3D display. In addition, the first display 180 or the second display 183 may be configured as a touch screen and used as an input device in addition to the output device.

Meanwhile, in the embodiment of the present invention, as shown in FIG. 1, two separate displays 180 and 183 are provided in a single image display apparatus 100, and a display is displayed in a single image display apparatus 100. Control units 160 and 183 for controlling the 180 and 183 are respectively provided.

The second display 183 may be utilized to display a picture in picture (PIP), a separate menu, separate content data, and the like separately from the image displayed on the first display 180. Accordingly, the second display 183 may be called a media bar. As such, by displaying a menu or the like on a separate display so as not to disturb the video being viewed in the single image display apparatus 100, user convenience is increased.

On the other hand, such a separate display is not limited to two as shown in the figure, it may be implemented in two or more. Accordingly, each control unit for controlling each display may be further provided. In addition, the second display 183 may be disposed below the first display 180, and may be disposed at various positions such as an upper side, a left side, or a right side of the first display 180.

Meanwhile, the image display apparatus 100 may include a first power supply unit 141 for supplying necessary power, and the first control unit 160 or the second control unit 163 may be formed from the first power supply unit 141. The power supply to the first display 180 or the second display 183 may be cut off. That is, since two or more separate displays are provided, power consumption may be reduced by turning off the power when there is no image to be displayed.

In addition, an additional second power supply unit 143 may be further provided to supply power to the second display 183. The second control unit 163 may further include a second power supply when the use of the second display 183 is unnecessary. Control to cut off power supplied to the display 183.

The voice output unit 185 receives a signal processed by the first control unit 160 or the second control unit 163, for example, a stereo signal or a 5.1 channel signal, and outputs the voice. 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 a video signal, an audio signal, a data signal, etc. from the interface unit 150 and output the same.

Meanwhile, the remote control apparatus 200 according to the embodiment of the present invention may be a spatial remote controller. A description of the spatial remote controller will be provided later with reference to FIG. 2.

Although not shown in the drawing, a channel browsing processor (not shown) for generating a thumbnail image corresponding to the channel signal or the external input signal may be further provided. The channel browsing processing unit (not shown) may include a signal input / output unit 128 and a first control unit 160 or a second control unit 163 between the demodulator 130 and the first control unit 160 or the second control unit 163. It is possible to be arranged in between.

Accordingly, the channel browsing processing unit (not shown) receives the stream signal TS output from the demodulation unit 130 or the stream signal output from the external signal input / output unit 128, and receives an image from the input stream signal. To extract the thumbnail image. The generated thumbnail image may be input as it is or encoded to the first controller 160 or the second controller 163. In addition, the generated thumbnail image may be encoded in a stream form and input to the first first controller 160 or the second controller 163. The first controller 160 or the second controller 163 may display a thumbnail list including a plurality of thumbnail images on the first or second display 180 or 183 using the input thumbnail image.

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 of the above, and is also mobile, terrestrial DMB digital broadcasting, satellite DMB digital broadcasting, ATSC-M / H digital broadcasting, DVB-H digital (COFDM) digital. A digital broadcast receiver capable of receiving at least one of a broadcast, a media flow link only digital broadcast, and the like. 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. Included.

2A to 2B are views illustrating an example of the remote control apparatus of FIG. 1.

Referring to the drawings, the remote controller of FIG. 1 may be used as the remote controller 301.

The spatial remote controller 301 is one of the remote controllers 200 capable of inputting a command to the image display apparatus 100. In the present embodiment, the spatial remote controller 301 transmits and receives a signal with the image display device 100 according to the RF communication standard. As illustrated in FIG. 2A, a pointer 302 corresponding to the spatial remote controller 301 may be displayed on the image display apparatus 100.

The user may move or rotate the space remote controller 301 up, down, left, and right. The pointer 302 displayed on the image display apparatus 100 corresponds to the movement of the spatial remote controller 301. 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 controller 301.

As shown in FIG. 2A, when the user moves the spatial remote controller 301 to the left side, the pointer displayed on the image display apparatus 100 also moves to the left side correspondingly. In the present embodiment, the spatial remote controller 301 is provided with a sensor that can determine the movement. Information about the movement of the spatial remote controller 301 detected by the sensor of the spatial remote controller 301 is transmitted to the image display apparatus 100. The image display apparatus 100 determines the operation of the spatial remote controller 301 from the information about the movement of the spatial remote controller 301 and calculates a coordinate value of the pointer 302 corresponding thereto.

2A and 2B illustrate an example in which the pointer 302 displayed on either the first display 180 or the second display 183 moves in response to the up, down, left, or right rotation of the spatial remote controller 301. . The moving speed or the moving direction of the pointer 302 may correspond to the moving speed or the moving direction of the spatial remote controller 301. In addition, the movement of the pointer 302 may cross the first display 180 and the second display 183.

In the present exemplary embodiment, the pointer displayed on the image display apparatus 100 is set to move in response to the operation of the spatial remote controller 301. As another example, a predetermined command may be input to the image display apparatus 100 in response to an operation of the spatial remote controller 301. That is, when moving back and forth of the spatial remote controller 301, the size of the image displayed on the image display apparatus 100 may be enlarged or reduced. Therefore, this embodiment does not limit the scope of the present invention.

3 is an internal block diagram of the interface unit of FIG. 1 and the spatial remote controller of FIG. 2.

Referring to the drawings, the spatial remote controller 301 includes a wireless communication unit 320, a user input unit 330, a sensor unit 340, an output unit 350, a power supply unit 360, a memory 370, and a control unit. 380 may include.

The wireless communication unit 320 transmits and receives a signal with the image display device 100. In the present embodiment, the spatial remote controller 301 may include an RF module 321 capable of transmitting and receiving signals with the interface unit 150 of the image display apparatus 100 according to the RF communication standard. In addition, the spatial remote controller 301 may include an IR module 323 capable of transmitting and receiving a signal with the interface unit 310 of the image display apparatus 100 according to an IR communication standard.

In the present embodiment, the spatial remote controller 301 transmits a signal containing information about the operation of the spatial remote controller 301 to the image display apparatus 100 through the RF module 321. In addition, the spatial remote controller 301 may receive a signal transmitted from the image display apparatus 100 through the RF module 321. In addition, the spatial remote controller 301 may transmit a command regarding power on / off, channel change, volume change, etc. to the image display device 100 through the IR module 323 as necessary.

The user input unit 330 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 301 by manipulating the user input unit 330. When the user input unit 330 includes a hard key button, the user may input a command related to the image display apparatus 100 to the spatial remote controller 301 through a push operation of the hard key button. When the user input unit 330 includes a touch screen, the user may input a command related to the image display apparatus 100 to the spatial remote controller 301 by touching a soft key of the touch screen. In addition, the user input unit 330 may include various kinds of input means that the 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 340 may include a gyro sensor 341 or an acceleration sensor 343. The gyro sensor 341 may sense information about an operation of the spatial remote controller 301. For example, the gyro sensor 341 may sense information about an operation of the spatial remote controller 301 based on the x, y, and z axes. The acceleration sensor 341 may sense information about a moving speed of the spatial remote controller 301. The output unit 350 may output an image or audio signal corresponding to a manipulation or a signal transmitted from the image display apparatus 100 to the user input unit 330. The user may recognize whether the user input unit 330 is manipulated or whether the image display apparatus 100 is controlled through the output unit 350.

For example, the output unit 350 may include a LED module 351 which is turned on when the user input unit 330 is manipulated or a signal is transmitted and received with the image display device 100 through the wireless communication unit 320, and a vibration module generating vibration. 353), an audio output module 355 for outputting audio or a display module 357 for outputting an image may be provided.

The power supply unit 360 supplies power to the space remote controller 301. The power supply unit 360 may reduce power waste by stopping power supply when the space remote controller 301 does not move for a predetermined time. The power supply unit 360 may resume power supply when a predetermined key included in the space remote controller 301 is operated.

The memory 370 may store various types of application data required for controlling or operating the spatial remote controller 301. If the spatial remote controller 301 transmits and receives a signal wirelessly through the image display apparatus 100 and the RF module 321, the spatial remote controller 301 and the image display apparatus 100 transmit and receive signals through a predetermined frequency band. . The controller 380 of the spatial remote controller 301 stores information on a frequency band or the like that can transmit and receive a signal wirelessly with the image display apparatus 100 paired with the spatial remote controller 301 in the memory 370. Reference may be made.

The controller 380 controls various items related to the control of the spatial remote controller 301. The controller 380 may receive a signal corresponding to a predetermined key operation of the user input unit 330 or a signal corresponding to an operation of the spatial remote controller 301 sensed by the sensor unit 340 through the wireless communication unit 320. 100 may be transmitted to the interface unit 150.

The interface unit 150 of the image display apparatus 100 may determine a coordinate value of a pointer corresponding to the operation of the spatial remote controller 301 and the wireless communication unit 320 capable of transmitting and receiving a signal wirelessly with the spatial remote controller 301. A coordinate value calculator 315 that can be calculated may be provided.

The wireless communication unit 320 may transmit and receive a signal wirelessly with the spatial remote controller 301 through the RF module 321. In addition, the spatial remote controller 301 may receive a signal transmitted according to the IR communication standard through the RF module 323.

The coordinate value calculator 315 corrects a hand shake or an error from a signal corresponding to the operation of the spatial remote controller 301 received through the wireless communication unit 320, and coordinates of the pointer 302 to be displayed on the first display 180. The value (x, y) can be calculated.

In addition, the spatial remote controller 301 transmission signal input to the image display apparatus 100 through the interface unit 150 may be transmitted to the first control unit 160 or the second control unit 163 of the image display apparatus 100. have. The first controller 160 or the second controller 163 determines information on the operation and key operation of the spatial remote controller 301 from the signal transmitted from the spatial remote controller 301, and correspondingly displays the image display apparatus 100. Can be controlled.

A block diagram of the spatial remote controller 301 of the image display apparatus 100 and the remote control apparatus 200 shown in FIGS. 1 to 3 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 controller 301 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 function performed in each block is for explaining an embodiment of the present invention, the specific operation or device does not limit the scope of the present invention.

4 is a flowchart illustrating a method of operating an image display device according to an exemplary embodiment of the present invention, and FIGS. 5 to 9 are views referred to for explaining the method of FIG. 4.

Referring to the drawings, a predetermined image 510 is displayed on the first display 180 (S410). In this case, the image 510 may be a broadcast signal image received from the tuner 120, an external input image input from the signal input / output unit 128, or a reproduction image of multimedia data stored in the storage units 175 and 178.

Next, when video communication is started, as shown in FIG. 6, video communication images 610 and 620 may be displayed on the second display 183.

The first control unit 160 or the second control unit 163 may control the second display 183 to display the video communication images 610 and 620. In this case, when the control of the second display 183 is performed by the second controller 163, the signal throughput of the first controller 160 may be further reduced.

In addition, the second controller 163 may control the second display 183 based on an input signal received from the first controller 160 or a signal processed by the first controller 160.

Here, the case where the video communication is started may include a case where the other party requests the video communication and a case where the user selects the video communication menu. That is, not only when the image of the user or the other party is displayed, but also when the user selects the video communication menu to start the video communication, or the other party requests the video communication to inform the user of the request, and asks whether the user accepts the message. You can also include cases.

In addition, the video communication image may include at least one of a user image 620 to be transmitted and a counterpart image 610 to be received. The signal input / output unit 128 receives an external signal including a video signal, an audio signal, and the like transmitted by the video display device of the conversation counterpart, and the second control unit 163 processes the received signal based on the second signal. The counterpart image may be displayed on the display 183.

In one-to-one video communication, a video display device user and a video communication counterpart perform video conversation or video conference while transmitting and receiving video and audio data according to video communication between each other. Here, the one-to-one video communication does not mean only one and one-to-one conversation, and as shown in FIG. 6, the user image 620 or the counterpart image 610 may include a plurality of people according to the video communication participants.

In addition, the video communication function supported by the video display device provides not only one-to-one and one-to-many conversations, but also a network that allows meetings to be smoothly carried out remotely by transmitting real-time video and audio of meeting participants located in different regions. Video conferencing system. In general, a video conferencing system refers to a service that allows a multi-party remotely to exchange various information such as video and voice on a network in an interactive manner.

Accordingly, the counterpart image 610 may be a plurality of images received from the video display devices of the plurality of video communication participants.

Conventionally, the video communication video is displayed on a PIP screen so as to overlap with the video being watched, or the video being watched is reduced by a certain ratio, and the video communication video is displayed in the free area generated by the reduction of the main viewing video. Therefore, since the main viewing image is partially hidden or the size is reduced, it is difficult to simultaneously perform video communication and viewing of content. According to the present invention, the video communication image is displayed on a separate display in a single image display device, so that the video communication image is not disturbed and the video communication can be performed more efficiently.

In particular, such as multi-point video conferencing, since the number of participants of the video communication is increased when the number of video communication participants is large, viewing of the video can be very difficult. However, when the second display is used for video communication as in the present invention, without interruption Video viewing is possible.

In addition, the user image 620 transmitted to the video display device of the other party may be displayed. The user may want to check what is being transmitted to the conversation counterpart, and the user image 620 may not be displayed by the user's selection.

The transmitted user image 620 may be not only a moving image or a still image captured by the camera 190, but also an image for processing and displaying the captured image, a graphic image such as a preset photo, an icon, or an alternate image. .

Meanwhile, the image display apparatus 100 further includes a separate third display, and the first control unit 160 or the second control unit 163 displays at least one of the user image and the counterpart image on the third display. Can be controlled. In this case, when the control of the third display is performed by the second controller 163, the signal throughput of the first controller 160 may be further reduced. In addition, the image display apparatus 100 may include a third controller to control the third display for faster processing speed.

The operation method of the image display apparatus according to an embodiment of the present invention may further include turning off the power of the first display or the second display, that is, the image display apparatus includes a plurality of displays, The power consumption can be reduced by turning off the display, which requires less use.

The first control unit 160 may control to cut off power supplied from the power supply unit 141 to the first display 180 or the second display 183. Alternatively, the apparatus may further include a separate power supply unit 143 for supplying power to the second display 183, and the second control unit 163 may control to cut off the power supplied to the second display 183. FIG. 7 illustrates an example in which the first display 180 where an image is displayed during video communication is turned off.

The present invention may further include displaying the dragged region on the first display when at least a portion of the video communication image is dragged and dropped onto the first display. .

The method may further include converting and displaying the image into the second display.

As shown in FIG. 6, the viewing image 510 is displayed on the first display 180, and the video communication images 610 and 620 are displayed on the second display 183. The specific area may be selected using the pointer 805 displayed in correspondence with the drag 805, and a drag and drop operation may be performed. At least a portion of the video communication image or at least a portion of the video communication image, more simply one of the counterpart image 610 or the user image 620 may be dragged.

As shown in FIG. 8, when the user image 620 is dragged and dropped onto the first display 180, the first control unit 160 or the second control unit 163 displays the user image 620 on the first display 180. You can control the display.

In addition, the viewing image 510 displayed on the first display 180 may be switched to at least a portion of the second display 183 and displayed.

In addition, as shown in FIG. 9, when the entire video communication image 610 or 620 is dragged and dropped onto the first display 180, the first control unit 160 or the second control unit 163 may use the video communication image 610 or 620. ) May be displayed on the first display 180. In this case, the viewing image 510 displayed on the first display 180 may be switched to the second display 183 and displayed.

In this case, when it is not necessary to display an image such as to concentrate on video communication or when the video program being watched is terminated, the second display 183 is turned off to reduce power consumption and to communicate with the first display 180. You can continue.

According to the present invention, when video communication is performed while viewing an image, the user's convenience may be increased by displaying the video communication image on a separate display in a single image display device, so as not to interfere with viewing of the displayed image. .

In addition, the unnecessary power of the plurality of displays can be cut off the power supply to reduce the power consumption, and by providing a separate control unit can reduce the data and signal processing amount of the individual control unit to improve the operation speed of the image display device.

The image display apparatus and its operation method according to the present invention are not limited to the configuration and method of the embodiments described as described above, but the embodiments are all or part of each embodiment so that various modifications can be made. May be optionally combined.

On the other hand, the operating method of the image display device of the present invention can be implemented as a processor-readable code on a processor-readable recording medium provided 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 illustrating an image display apparatus according to an exemplary embodiment of the present invention.

2A to 2B are views illustrating an example of the remote control apparatus of FIG. 1.

3 is an internal block diagram of a user input / output unit of the interface unit of FIG. 1 and the spatial remote controller of FIG. 2.

4 is a flowchart illustrating a method of operating an image display apparatus according to an exemplary embodiment of the present invention.

5 to 9 are views referred to for describing the operating method of FIG. 4.

Claims (16)

A method of operating an image display device having a first display and a second display separate from the first display, Displaying an image on the first display; And And displaying a video communication image on the second display. The method of claim 1, And the at least one of a transmitting user image and a receiving counterpart image. The method of claim 2, At least one of the user image and the counterpart image is displayed on a separate third display. The method of claim 1, And displaying the dragged region on the first display when at least a portion of the video communication image is dragged and dropped onto the first display. How the device works. 5. The method of claim 4, And converting the image to the second display and displaying the image. The method of claim 1, And the image is at least one of a broadcast signal image, an external input image, and a stored image. The method of claim 1, And turning off the power of the first display or the second display. A first display; A second display separate from the first display; A first control unit controlling the first display to display an image; And And a second controller for controlling the second display to display a video communication image. The method of claim 8, The second control unit, And an input signal or a signal obtained by image processing the input signal from the first control unit. The method of claim 8, Signal input and output unit for transmitting and receiving a video signal further comprises; And the at least one of a user image to be transmitted and a counterpart image to be received. The method of claim 8, It further comprises a separate third display, And the second controller controls to display at least one of the user image and the counterpart image on the third display. The method of claim 8, And the first control unit controls to display the dragged area on the first display when at least a portion of the video communication image is dragged and dropped onto the first display. The method of claim 12, And the second control unit controls to display the image by switching to the second display. The method of claim 8, A tuner that receives a broadcast signal of a selected channel or receives a broadcast signal of a pre-stored channel; And It further includes a signal input and output unit for receiving an external signal, And the image is a broadcast signal image or an image based on the external signal. The method of claim 8, It further comprises a power supply; And the first controller controls to cut off power supplied from the power supply unit to the first display or the second display. The method of claim 8, Further comprising: a separate power supply for supplying power to the second display, And the second control unit controls to cut off power supplied to the second display.

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