KR20130114475A - Image display apparatus and method for operating the same - Google Patents

Abstract

PURPOSE: An image displaying device and an operating method thereof are provided for a user to conveniently and variably manage and utilize various contents by sharing various contents with other electronic devices. CONSTITUTION: An external device interface part (135) receives an external input image signal. An image processing part produces a first image based on a broadcasting image signal or the received external input image signal. A network interface part (130) receives a second image and control information from a first device. A synthesizing part synthesizes the first image and the second image based on the control information. A display part (180) displays the synthesized image. [Reference numerals] (110) Tuner; (120) Demodulation unit; (130) Network interface unit; (135) External interface unit; (140) Storing unit; (150) User input interface unit; (170) Control unit; (180) Display unit; (185) Audio output unit; (190) Power supply unit; (200) Remote controller

Description

Image display apparatus and method for operating the same}

The present invention relates to an image display apparatus and an operation method thereof, and more particularly, to an image display apparatus and an operation method capable of transmitting, sharing and controlling a screen in a variety of ways.

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

Digital broadcasting refers to broadcasting in which digital video and audio signals are transmitted. Digital broadcasting is more resistant to external noise than analog broadcasting, so it has less data loss, is advantageous for error correction, has a higher resolution, and provides a clearer picture. Also, unlike analog broadcasting, digital broadcasting is capable of bidirectional service.

An object of the present invention is to provide an image display apparatus and an operation method thereof capable of efficiently transmitting, sharing and controlling at least a portion of a screen.

In addition, another object of the present invention is to provide an image display apparatus and an operation method thereof that can improve user convenience.

According to another aspect of the present invention, there is provided a method of operating an image display apparatus, the method including generating a first image based on a received broadcast image signal or an external input image signal, and controlling the second image from the first apparatus. Receiving information, synthesizing the first image and the second image based on the control information, and displaying the synthesized image.

According to an aspect of the present invention, there is provided a method of operating an image display apparatus, the method including displaying a menu object for controlling a predetermined image, playing a predetermined image, and transmitting a command to at least some of the predetermined image. And receiving the data related to at least a portion of the predetermined image to the first image display device and ending displaying of the predetermined image.

According to an embodiment of the present invention, a video display device includes a tuner unit for receiving a broadcast video signal, an external device interface unit for receiving an external input video signal, and based on a received broadcast video signal or an external input video signal. An image processor to generate a first image, a network interface unit to receive the second image and control information from the first device, and a synthesizer to synthesize the first image and the second image based on the control information. It includes a display unit.

According to an embodiment of the present invention, a display unit, a tuner unit for receiving a broadcast image signal, an external device interface unit for receiving an external input image signal, and a second image and control from the first device And a controller configured to generate a first image based on the network interface unit receiving the information and the received broadcast image signal or the external input image signal, wherein the controller synthesizes the first image and the second image based on the control information, And display the synthesized image on the display unit.

According to an embodiment of the present invention, by sharing various contents with other electronic devices, a user can manage and utilize various contents more conveniently and variously. In particular, it is possible to simultaneously share and control the screen of a plurality of electronic devices. In addition, user convenience may be increased.

1 is a view schematically showing an image display device system according to an embodiment of the present invention.
FIG. 2 is an internal block diagram of the image display device of FIG. 1.
3 is an internal block diagram of the controller of FIG. 2.
4 is a diagram illustrating a front surface of an image display apparatus according to an embodiment of the present invention, and FIG. 5 is an internal block diagram of the image display apparatus according to an embodiment of the present invention.
6 is a schematic view of an image display device system according to an embodiment of the present invention.
7 is a flowchart illustrating a method of operating an image display apparatus according to an exemplary embodiment of the present invention.
8 is a flowchart illustrating a method of operating an image display apparatus according to an exemplary embodiment of the present invention.
9 to 19 are diagrams for describing various examples of an operating method of an image display apparatus according to an exemplary embodiment of the present invention.

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

The suffix "module" and " part "for components used in the following description are given merely for convenience of description, and do not give special significance or role in themselves. Accordingly, the terms "module" and "part" may be used interchangeably.

1 is a view schematically showing an image display device system according to an embodiment of the present invention.

Referring to the drawings, an image display apparatus system according to an embodiment of the present invention may include a reception image display apparatus 100a and a transmission image display apparatus 100b.

Recently, products that control TVs and home appliances, such as smart tables, have been introduced. If you control all the home appliances in the living room using the screen in the table, there is a desire to watch the video found in the smart table on the TV screen immediately. In this case, it requires a complicated process in which the screen of the TV and the screen of the smart table must match.

In addition, many people use multiple devices such as laptops, PCs, and mobile devices. The desire to share and use the screens of multiple devices at the same time through a single device is increasing, and since the projector is used exclusively by one person, it is difficult for several people to share and use the screen at the same time. There is an increasing need for devices that overcome these problems and write multiple monitors or screens as if they were connected to a single device.

The present invention uses a smart table, a smart phone, a mobile Internet device (MID), a control device such as a laptop, a transmission image display device 100b and a video device device such as a TV, a monitor, a projector, and a reception image display device 100a. In this case, the present invention relates to a method of simultaneously controlling and sharing screens of a plurality of devices through one device.

On the other hand, the conventional reception image display apparatus only displays the image transmitted by the transmitting side as it is. For example, a reception image display apparatus connected to an image display apparatus via wired / wireless HDMI does not display its own local image even when the TV is displayed, but merely displays the received image like a monitor.

However, according to an exemplary embodiment of the present invention, the reception image display apparatus may synthesize and display a local image received or generated from another electronic device or broadcasting station in addition to the image received from the transmission image display apparatus.

Meanwhile, the transmission image display device according to the present invention, for example, a smart table, a portable terminal, a TV, a tablet PC, etc., may operate as if it supports multiple monitors.

1 is a concept of a method and system for transmitting an image to a receiving image display apparatus (TV) having a display unit, such as a smart table, and having a display unit capable of controlling other electronic devices and an independent screen to be controlled. Indicates.

Earlier products were connected directly by cable, so that the TV acts as a dependent monitor, or even when connected wirelessly without a cable. However, according to the present invention, while operating the TV as an independent image display device, a virtual client device can be created and controlled independently through a controller such as a smart table.

For example, when watching a TV and searching for a video on a smart table and calling up the desired video, if you pass the video to the subordinate screen of the smart table (virtual screen-the screen controlled by the actual TV), the video is displayed on the TV without interruption. You will see The actual video is played on the smart table, but the video can be seen on the TV screen.

Meanwhile, the reception image display apparatus 100a and the transmission image display apparatus 100b may be directly or one-to-one connected to a network, and data of the transmission image display apparatus 100b may be transmitted to the reception image display apparatus 100a. Alternatively, the reception image display apparatus 100a and the transmission image display apparatus 100b may be connected via a network device or a server 210.

On the other hand, the transmission image display apparatus 100b according to an embodiment of the present invention may be in charge of controlling the reception image display apparatus 100a.

In addition to 1: 1 control, N: 1 control and many-to-many control are possible.

Meanwhile, the server 210 may serve to transmit predetermined data to the reception image display apparatus 100a which is a client device. The server 210 may be connected to the image display apparatuses 100a and 100b by wire / wireless, and may transmit data to the image display apparatus 100a in response to a data transmission request from the image display apparatus 100b. . In addition, various control operations may be performed on the image display apparatuses 100a and 100b.

The server 210 may be a server adjacent to the image display apparatus 100 and may be a home server. In particular, the server 210 may perform signal processing on various functions of the smart TV, and transmit the processed data to the image display apparatus 100a.

In addition, through one server 210, it is possible to provide signal processing and data for the plurality of image display apparatuses.

Meanwhile, the above-described image display apparatuses 100a and 100b may be digital broadcasting receivers capable of receiving fixed or mobile digital broadcasting.

On the other hand, the video display device (100a, 100b) described in this specification is a TV receiver capable of displaying a broadcast image, a monitor, a mobile phone, a smart phone (notebook computer), a digital broadcasting terminal, PDA (Personal) Digital Assistants, Portable Multimedia Players (PMPs), and the like.

Alternatively, it may be an external device having a display unit not listed above. The external device may be connected to the image display apparatus 100 by wire / wireless and perform an input / output operation with the image display apparatus 100.

On the other hand, in some embodiments, the transmission image display apparatus 100b does not include an image display unit, but a digital versatile disk (DVD) player, a blu-ray player, a game device, and a set-top capable of transmitting a video signal. Box or the like.

FIG. 2 is an internal block diagram of the image display device of FIG. 1. The image display apparatus 100 illustrated in FIG. 2 may correspond to at least one of the reception image display apparatus 100a and the transmission image display apparatus 100b.

Referring to FIG. 2, the image display apparatus 100 according to an exemplary embodiment of the present invention may include a broadcast receiver 105, a network interface 130, an external device interface 135, a storage 140, and a user. It may include an input interface unit 150, a control unit 170, a display unit 180, an audio output unit 185, and a power supply unit 190. Among these, the broadcast receiver 105 may include a tuner 110 and a demodulator 120. Meanwhile, the broadcast receiving unit 105 may further include a network interface unit 130.

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.

For example, if the selected RF broadcast signal is a digital broadcast signal, it can be converted into a digital IF signal (DIF). If the selected RF broadcast signal is an analog broadcast signal, it can be converted into an analog baseband image or an audio signal (CVBS / SIF).

Meanwhile, the tuner 110 may sequentially select RF broadcast signals of all broadcast channels stored through a channel memory function among RF broadcast signals received through an antenna and convert them to intermediate frequency signals or baseband video or audio signals. have.

Meanwhile, when the image display apparatus 100 includes a plurality of tuners, the image display apparatus 100 may be referred to as a tuner unit.

The demodulator 120 receives the digital IF signal DIF converted by the tuner 110 and performs a demodulation operation.

The demodulator 120 may output a stream signal TS after performing demodulation and channel decoding. At this time, the stream signal may be a signal in which a video signal, a voice signal, or a data signal is multiplexed.

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

The external device interface unit 135 may connect the external device to the image display device 100. To this end, the external device interface unit 135 may include an A / V input / output unit (not shown) or a wireless communication unit (not shown).

The external device interface unit 130 can be connected to an external device such as a DVD (Digital Versatile Disk), a Blu ray, a game device, a camera, a camcorder, a computer , And may perform an input / output operation with an external device.

In addition, the external device interface unit 130 may be connected to other image display devices to transmit and receive signals and data.

The A / V input / output unit can receive video and audio signals from an external device. Meanwhile, the wireless communication unit can perform short-range wireless communication with other electronic devices.

The network interface unit 135 provides an interface for connecting the video display device 100 to a wired / wireless network including the Internet network. For example, the network interface unit 135 can receive, via the network, content or data provided by the Internet or a content provider or a network operator.

Meanwhile, the network interface unit 130 may receive control signals, data, and the like from another image display device connected through a network, and may receive control signals, data, etc. from another image display device.

Meanwhile, the network interface unit 130 may access a predetermined web page through a connected network or another network linked to the connected network. That is, by accessing a predetermined web page through the network, it is possible to send or receive data with the server. In addition, content or data provided by a content provider or a network operator may be received.

In addition, the network interface unit 130 may select and receive a desired application from among applications that are open to the public through the network.

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 from the external device interface 135 or the network interface 130. In addition, the storage 140 may store information on a predetermined broadcast channel through a channel storage function.

In addition, the storage 140 may store an application or a list of applications input from the external device interface 135 or the network interface 130.

The image display apparatus 100 may reproduce and provide a content file (video file, still image file, music file, document file, application file, etc.) stored in the storage 140 to a user.

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

The user input 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.

(Not shown), such as a power key, a channel key, a volume key, and a set value, from the remote control apparatus 200, (Not shown) that senses a user's gesture to the control unit 170 or transmits a signal from the control unit 170 to the control unit 170 It is possible to transmit it to the sensor unit (not shown).

The control unit 170 demultiplexes the input stream or processes the demultiplexed signals through the tuner 110, the demodulator 120, or the external device interface unit 135, and outputs a video or audio signal. You can create and output.

The image signal processed by the controller 170 may be input to the display unit 180 and displayed as an image corresponding to the image signal. The video signal processed by the controller 170 may be input to the external output device through the external device interface 135. [

The audio signal processed by the control unit 170 may be output to the audio output unit 185 through audio. In addition, the voice signal processed by the controller 170 may be input to the external output device through the external device interface unit 135.

Although not shown in FIG. 2, the controller 170 may include a demultiplexer, an image processor, and the like. This will be described later with reference to FIG. 3.

In addition, the control unit 170 can control the overall operation in the video display device 100. [ For example, 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.

In addition, the controller 170 may control the image display apparatus 100 by a user command or an internal program input through the user input interface unit 150. In particular, the user can access a network and download a list of applications or applications desired by the user to the video display device 100.

For example, the controller 170 controls the tuner 110 to input a signal of a selected channel according to a predetermined channel selection command received through the user input interface unit 150. Then, video, audio, or data signals of the selected channel are processed. The controller 170 allows the channel information selected by the user to be output through the display unit 180 or the audio output unit 185 together with the processed image or audio signal.

As another example, the controller 170 may output an image signal or an audio signal input through the network interface unit 130 through the display unit 180 or the audio output unit 185.

As another example, the controller 170 may receive an external device image playback command from the external device, for example, a camera or a camcorder, according to an external device image playback command received through the user input interface unit 150. The video signal or the audio signal may be output through the display unit 180 or the audio output unit 185.

The controller 170 may control the display 180 to display an image. In this case, the image displayed on the display unit 180 may be a still image or a video, and may be a 2D image or a 3D image.

The controller 170 may generate and display a 3D object with respect to a predetermined 2D object in an image displayed on the display 180. For example, the object may be at least one of a connected web screen (newspaper, magazine, etc.), EPG (Electronic Program Guide), various menus, widgets, icons, still images, moving images, and text.

On the other hand, the control unit 170 can recognize the position of the user based on the image photographed from the photographing unit (not shown). For example, the distance (z-axis coordinate) between the user and the image display apparatus 100 can be grasped. In addition, the x-axis coordinates and the y-axis coordinates in the display unit 180 corresponding to the user position may be grasped.

On the other hand, when entering the application viewing item, the control unit 170 can control to display a list of applications or applications that can be downloaded from the video display device 100 or from an external network.

The controller 170 may control to install and run an application downloaded from an external network along with various user interfaces. In addition, by selecting a user, an image related to an executed application may be controlled to be displayed on the display unit 180.

The display unit 180 converts an image signal, a data signal, an OSD signal processed by the controller 170, or an image signal, data signal, etc. received from the external device interface unit 135 into R, G, and B signals, respectively. Generate a drive signal.

The display unit 180 may be a PDP, an LCD, an OLED, a flexible display, or a 3D display.

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

The audio output unit 185 receives the signal processed by the control unit 170 and outputs it as a voice.

The power supply unit 190 supplies power to the entire image display apparatus 100. In particular, power may be supplied to the controller 170, which may be implemented in the form of a System On Chip (SOC), a display unit 180 for displaying an image, and an audio output unit 185 for audio output. Can be.

To this end, the power supply unit 190 may include a converter (not shown) for converting the AC power into DC power. Meanwhile, for example, when the display unit 180 is implemented as a liquid crystal panel having a plurality of backlight lamps, an inverter (not shown) capable of PWM operation may be further provided for driving of variable brightness or dimming. It may be.

The remote control apparatus 200 transmits a user input to the user input interface unit 150. To this end, the remote control apparatus 200 may use RF (Radio Frequency) communication, infrared (IR) communication, Bluetooth, Bluetooth (UWB), ZigBee (ZigBee) method and the like.

In addition, the remote control apparatus 200 may receive an image, an audio or a data signal output from the user input interface unit 150, display it on the remote control apparatus 200 or output an audio or vibration.

On the other hand, the remote control device 200 can transmit the coordinate information corresponding to the motion of the remote control device 200 to the video display device 100. [ Thus, a pointer corresponding to the motion of the remote control apparatus 200 can be displayed on the display of the image display apparatus. As such, since the corresponding pointer is moved and displayed according to the movement in the 3D space, this may be referred to as a 3D pointing device.

Meanwhile, a block diagram of the image display device 100 shown in FIG. 2 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 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.

On the other hand, the image display device 100, unlike shown in Figure 2, does not include the tuner 110 and the demodulator 120 shown in Figure 2, the network interface unit 130 or the external device interface unit ( Through 135, a broadcast image may be received and reproduced.

3 is an internal block diagram of the controller of FIG. 2.

Referring to the drawings, the control unit 170 according to an embodiment of the present invention, the demultiplexer 310, the image processor 320, the OSD generator 340, the mixer 350, the frame rate converter 355 ), And a formatter 360. A voice processing unit (not shown), and a data processing unit (not shown).

The demultiplexer 310 demultiplexes the input stream. For example, when an MPEG-2 TS is input, it can be demultiplexed into video, audio, and data signals, respectively. Here, the stream signal input to the demultiplexer 310 may be a stream signal output from the tuner 110, the demodulator 120, or the external device interface unit 135.

The image processor 320 may perform image processing of the demultiplexed image signal. For this, the image processing unit 320 may include a video decoder 325 and a scaler 335.

The image decoder 325 decodes the demultiplexed image signal, and the scaler 335 performs scaling to output the resolution of the decoded image signal on the display unit 180.

The video decoder 325 can include a decoder of various standards.

On the other hand, the video signal decoded by the image processor 320 is input to the mixer 350.

The processor 330 may control the overall operation in the image display apparatus 100 or in the control unit 170. [ For example, the processor 330 may control the tuner 110 to select a channel selected by the user or an RF broadcast corresponding to a previously stored channel.

In addition, the processor 330 may control the image display apparatus 100 by a user command or an internal program input through the user input interface unit 150.

In addition, the processor 330 may perform data transfer control with the network interface unit 135 or the external device interface unit 130.

The processor 330 may control operations of the demultiplexing unit 310, the image processing unit 320, the OSD generating unit 340, and the like in the controller 170.

The OSD generator 340 generates an OSD signal according to a user input or itself. For example, a signal for displaying various types of information on a screen of the display unit 180 as a graphic or text may be generated based on a user input signal or a control signal. The generated OSD signal may include various data such as a user interface screen of the video display device 100, various menu screens, a widget, and an icon.

For example, the OSD generator 340 may generate a signal for displaying broadcast information based on subtitles or EPGs of a broadcast image.

On the other hand, since the OSD generation unit 340 generates an OSD signal or a graphic signal, it may be referred to as a graphic processing unit.

The mixer 350 may mix the OSD signal generated by the OSD generator 340 and the decoded image signal processed by the image processor 220. The mixed signal is provided to the formatter 360. Since the decoded broadcast video signal or the external input signal and the OSD signal are mixed, the OSD may be overlaid and displayed on the broadcast video or the external input video.

The frame rate converter (FRC) 355 may convert the frame rate of the input video. On the other hand, the frame rate converter 350 can output the frame rate without conversion.

The formatter 360 receives the output signal of the frame rate converter 355 and changes the format of the signal to be suitable for the display unit 180 and outputs the signal. For example, the R, G, and B data signals may be output as low voltage differential signaling (LVDS) signals or mini-LVDS signals.

The formatter 360 may change the format of the 3D video signal or convert the 2D video into a 3D video.

On the other hand, the audio processing unit (not shown) in the control unit 170 can perform the audio processing of the demultiplexed audio signal. To this end, the voice processing unit (not shown) may include various decoders.

In addition, the audio processing unit (not shown) in the control unit 170 can process a base, a treble, a volume control, and the like.

The data processing unit (not shown) in the control unit 170 can perform data processing of the demultiplexed data signal. For example, if the demultiplexed data signal is a coded data signal, it can be decoded. The encoded data signal may be EPG (Electronic Program Guide) information including broadcast information such as a start time and an end time of a broadcast program broadcasted in each channel.

Meanwhile, the block diagram of the controller 170 shown in FIG. 3 is a block diagram for an embodiment of the present invention. Each component of the block diagram can be integrated, added, or omitted according to the specifications of the control unit 170 actually implemented.

In particular, the frame rate converter 350 and the formatter 360 are not provided in the controller 170, but may be separately provided.

4 is a diagram illustrating an image display apparatus according to an embodiment of the present invention, more specifically, a front surface of the portable terminal, and FIG. 5 is an internal block diagram of the portable terminal according to an embodiment of the present invention.

As described above with reference to FIGS. 1 to 3, an image display apparatus according to an exemplary embodiment of the present invention may include various electronic devices including a display unit. Hereinafter, the same or similar contents as those described with reference to FIGS. 1 to 3 will be omitted or briefly described.

The portable terminal described in the present specification may be a tablet computer, a mobile phone, a smart phone, a notebook computer, a personal digital assistant (PDA), a portable multimedia player (PMP), a digital broadcasting terminal, and a navigation device. And the like. For example, a smart phone as shown in FIG. 4A, a tablet PC as shown in FIG. 4B may correspond.

On the other hand, the portable terminal described herein is connected to the Internet and a computer with the support of a wired or wireless Internet function, it is also possible to perform functions such as email, web browsing, banking or gaming. In addition, voice and video call functions can be performed, and the call mode can be performed by using an Internet network, a mobile communication network, etc. according to Voice over Internet Protocol (VoIP).

Referring to FIG. 5, a portable terminal according to an exemplary embodiment of the present invention may include a user interface unit 510, an audio / video input unit 520, a network interface unit 530, an external device interface unit 535, The sensor unit 540 may include a storage unit 550, a control unit 560, a display unit 570, an audio output unit 580, and a power supply unit 590. Such components may be configured by combining two or more components into one component, or by dividing one or more components into two or more components as necessary when implemented in an actual application.

The user input unit 510 generates key input data input by the user for controlling the operation of the portable terminal. The user input unit 510 may be configured of a key pad, a switch, a touch screen (static pressure / capacitance), etc., which may receive a command or information by a user's push or touch operation. In addition, the user input unit 510 may be configured as a jog wheel for rotating a key, a jog method or a manipulation method such as a joystick, or a finger mouse.

The AV / Audio input unit 520 is for inputting an audio signal or a video signal, and may include a camera and a microphone. The camera processes image frames such as still images or moving images obtained by an image sensor in a video call mode or a photographing mode. The processed image frame may be displayed on the display unit 570.

The image frame processed by the camera may be stored in the storage unit 550 or transmitted to the outside through the network interface unit 530 or the external device interface unit 535. Two or more cameras may be provided according to the configuration of the terminal.

The microphone receives an external sound signal by a microphone in a call mode, a recording mode, a voice recognition mode, etc., and processes it into electrical voice data.

The network interface unit 530 provides an interface for connecting the portable terminal to a wired / wireless network including an internet network.

The network interface unit 530 may transmit or receive data with another user or another electronic device through the connected network or another network linked to the connected network. In particular, some content data stored in the portable terminal may be transmitted to another user or another electronic device selected in advance in the portable terminal or a selected electronic device.

Meanwhile, as described with reference to FIGS. 1 to 3, the network interface unit 530 may access a predetermined web page and transmit data to the Internet or a content provider or a network operator.

Meanwhile, the network interface unit 530 may be connected to a mobile communication network and include a mobile communication unit for voice and video call. The mobile communication unit transmits and receives a wireless signal with at least one of a base station, an external terminal, and a server on a mobile communication network. Here, the wireless signal may include various types of data according to transmission and reception of a voice call signal, a video call signal, or a text / multimedia message.

In addition, the portable terminal may receive a signal related to a broadcast through a wired or wireless Internet network, and may further include a separate broadcast receiver (not shown) for broadcast reception.

The broadcast receiver (not shown) may receive at least one of a broadcast signal and broadcast related information from the outside, and may include a tuner, a demodulator, a demultiplexer, a decoder, and the like, for receiving and processing a signal. A tuner, a demodulator, a demultiplexer, a decoder, and the like have been described with reference to FIGS. 1 to 3.

The external device interface unit 535 may connect the external device to the portable terminal. To this end, the external device interface unit 135 may include an A / V input / output unit (not shown) or a wireless communication unit (not shown).

In addition, the external device interface unit 535 serves as an interface with all external devices connected to the portable terminal in addition to the external device described above with reference to FIGS. 1 to 3. Examples of external devices connected to a mobile terminal include a wired / wireless headset, an external charger, a wired / wireless data port, a memory card, a subscriber identification module (SIM) card, a user identity module (UIM) card, and the like. Sockets, audio I / O (Input / Output) terminals, video I / O (Input / Output) terminals, and earphones. The external device interface unit 535 may receive data or power from the external device and transmit the data to each component inside the mobile terminal, and may transmit the data inside the mobile terminal to the external device.

Meanwhile, the controller 560 transmits a control signal by a user's command or program to another electronic device connected through the network interface unit 530 or the external device interface unit 535 or receives a control signal received from an allowed electronic device. You can perform a command based on that. For example, it is possible to control an image display device, perform a reservation operation using a PC connected to a home network, check the contents of a smart refrigerator, and receive various signals such as a message or a command from a smart phone of a family member. .

The sensor unit 540 generates a sensing signal for controlling the operation of the portable terminal by detecting the current state of the portable terminal such as the position of the portable terminal, the presence or absence of user contact.

The sensor unit 540 may include a detection sensor, a pressure sensor, and a motion sensor. The sensor may detect the presence or absence of an object approaching the portable terminal or an object present in the vicinity of the portable terminal without mechanical contact. The detection sensor can detect the proximity object by using a change in an alternating magnetic field or a change in a static magnetic field, or by using a change rate of capacitance. Two or more detection sensors may be provided according to the configuration aspect.

The pressure sensor can detect whether pressure is applied to the portable terminal, the magnitude of the pressure, and the like. The pressure sensor may be installed at a portion requiring a pressure detection in the portable terminal according to the use environment. If the pressure sensor is installed in the display unit 570, a touch input through the display unit 570 and a pressure touch input to which a greater pressure is applied than the touch input may be identified according to a signal output from the pressure sensor. Can be. In addition, according to the signal output from the pressure sensor, it can also know the magnitude of the pressure applied to the display unit 570 when the pressure touch input.

The motion sensor detects the position or movement of the portable terminal using an acceleration sensor and a gyro sensor. An acceleration sensor that can be used in a motion sensor is an element that converts an acceleration change in one direction into an electrical signal. The gyro sensor can detect the direction returned to the angular velocity and the reference direction, and information on the operation of the mobile terminal. Can be sensed based on the x, y, and z axes. The acceleration sensor can sense information regarding a moving speed of the portable terminal. Acceleration sensors are usually constructed by mounting two or three axes in one package. Depending on the usage environment, only one axis of Z axis is required. Therefore, when the acceleration sensor in the X-axis direction or the Y-axis direction is used instead of the Z-axis direction for some reason, the acceleration sensor may be mounted on the main substrate by using a separate piece substrate.

The storage unit 550 may store a program, a platform, and an application for each signal processing and control in the controller 560, or may store a signal processed image, audio, or data signal.

On the other hand, the portable terminal can provide a user with a content file (video file, still image file, music file, document file, application file, etc.) stored in the storage unit 550.

In addition, the storage unit 550 may perform a function for temporarily storing an image, audio, or data signal input from the external device interface unit 535 or the network interface unit 530.

The storage unit 550 may be, for example, a flash memory type, a hard disk type, a multimedia card micro type, a card type memory (for example, an SD or XD memory). Etc.), RAM, and ROM (EEPROM, etc.) may include at least one type of storage medium.

5 illustrates an embodiment in which the storage unit 550 is provided separately from the control unit 560, the scope of the present invention is not limited thereto. The storage unit 550 may be included in the controller 560.

The controller 560 may control overall operations in the portable terminal. For example, the controller 560 may control the portable terminal by a user command or an internal program input through the user interface 510.

The controller 560 allows an image or an audio to be output through the display unit 570 or the audio output unit 580 based on the received signal.

As another example, the controller 560 may be provided from an external device, for example, a camera or a camcorder, input through the external device interface unit 535 according to an external device image playback command received through the user interface unit 510. The video signal or the audio signal may be output through the display unit 570 or the audio output unit 580.

Meanwhile, the controller 560 may control the display unit 570 to display the video of the call counterpart and the video of the user according to the user's setting in the video call mode, and to output a voice based on the received voice signal of the call counterpart. The audio output unit 580 may be controlled to output.

In addition, the controller 560 may control to reproduce the content. The content at this time may be content stored in the mobile terminal, received broadcast content, or external input content input from the outside. The content may be at least one of a broadcast image, an external input image, an audio file, a still image, a connected web screen, and a document file.

In addition, the controller 560 may determine whether the touch input corresponds to a character input such as alphabet, number, or symbol based on the pattern of the touch input signal. The controller 560 may check a character corresponding to the trajectory of the touch input based on the database. The database includes Korean, English, Chinese, Japanese, numbers, symbols, and the like, and may be stored in the controller 560 or the storage 550.

The controller 560 may control to install and run an application downloaded from an external network along with various user interfaces. In addition, by selecting a user, an image related to an application to be executed may be controlled to be displayed on the display unit 570.

The controller 560 may be configured to include at least some of the components included in the controller illustrated in FIG. 3 according to an embodiment.

The platform of any one of the portable terminals according to the embodiments of the present invention may include OS-based software in order to perform the various operations described above. The platform may be provided in the form of a program in the control unit or a separate processor, or may be stored in the storage unit.

The platform of any one of the portable terminals according to the embodiments of the present invention may include an OS kernel, a driver on the OS kernel, middleware, a framework, and an application layer. It may include.

The OS kernel may be implemented as a kernel based on various operating systems (OS), such as Unix-based (Linux) and Windows-based. Also, the OS kernel is an open OS kernel and may be general purpose that can be used in other electronic devices.

The display unit 570 may display an image signal, a data signal processed by the controller 560, or an image signal, data signal, etc. received by the network interface unit 530 or the external device interface unit 535, respectively. The drive signal is generated by converting into a B signal.

The display unit 570 may be a liquid crystal display (LCD), an organic light-emitting diode (OLED), a flexible display, a 3D display, or the like.

The display unit 570 may be configured as a touch screen and used as an input device in addition to the output device.

The audio output unit 580 outputs audio data received or stored in a call signal reception, a call mode or a recording mode, a voice recognition mode, a broadcast reception mode, and the like. In addition, the audio output unit 580 outputs a sound signal related to a function performed in the portable terminal, for example, a call signal reception sound and an effect sound. The audio output unit 180 may include a speaker, a buzzer, and the like.

On the other hand, the power supply unit 590 supplies the corresponding power throughout the portable terminal.

On the other hand, the mobile terminal having such a configuration described with reference to FIG. 5 may include a wired / wireless communication system and a satellite-based communication system, and may transmit data through a frame or a packet. It can be configured to be operable in.

6 is a schematic view of an image display device system according to an embodiment of the present invention. Further, in detail, any one of the portable terminal according to an embodiment of the present invention for explaining the process of communicating with the third device. The portable terminal illustrated in FIG. 6 may correspond to any one of the portable terminals according to the embodiments of the present invention described above.

As illustrated in FIG. 6, the mobile terminal according to an embodiment of the present invention may communicate with the network server 610 or the external device 620.

Meanwhile, the mobile terminal may communicate with the network server 610. The network server 610 is a device capable of transmitting and receiving signals with a mobile terminal through any network. In addition, the network server 610 may be a device that can provide content or services to the mobile terminal through the Internet network. The content provider CP or the service provider SP may provide content and services to the mobile terminal using a network server.

Meanwhile, the portable terminal can communicate with the external device 620. The external device 620 is a device capable of directly transmitting and receiving a signal with a mobile terminal by wire or wirelessly. For example, the external device 620 may be a media storage device or a playback device used by a user. That is, the external device 620 may correspond to, for example, a mobile phone, a digital camera, a DVD or a Blu-ray player, a personal computer, a TV, a refrigerator, an air conditioner, a washing machine, a cooking appliance, and the like.

The network server 610 or the external device 620 may transmit a signal including an image signal to the portable terminal. The portable terminal may output an image based on an image signal included in an input signal and an audio based on an audio signal. In addition, the portable terminal may transmit a signal transmitted from the network server 610 to the portable terminal to the external device 620.

In addition, the portable terminal according to the present invention may share data with an external device 620 connected through a network. For example, an electronic device such as a smartphone of family members can be used to share calendars and schedules of a mobile terminal, and can also create or modify calendars and notes on a calendar from outside.

In addition, the portable terminal may transmit a signal received from the external device 620 to the network server 610.

Meanwhile, the portable terminal may have authentication information of a registered user, for example, a family member and an electronic device, and may authorize the authenticated user or electronic device to control a portion of the portable terminal.

According to an exemplary embodiment, the portable terminal may directly transmit or receive a signal to or from the external device 620, or may transmit or receive a signal to or from a home server of a home network to which the portable terminal or the external device 620 is connected. The home network is a network in which a plurality of portable terminals or external devices 620 can transmit and receive signals according to a predetermined network communication standard.

The home server may store information about the mobile terminal and the external device 620 connected to the home network. For example, the home server may store information about a product name, a model name, a usage method, content provided, and the like of the mobile terminal or the external device 620 connected to the home network. The home server may also control signal transmission and reception of the home network.

Meanwhile, the home server may have authentication information of a registered user, for example, a family member and an electronic device, and may authorize the authenticated user or electronic device to control a part of the home server or the mobile terminal. .

On the other hand, the home server may be implemented in a form of a server separate from the electronic device constituting the home network or a separate electronic device of the home network such as a portable terminal, a PC, a TV to play the role of a home server.

Meanwhile, the following description focuses on the example of the image display apparatus described with reference to FIGS. 2 and 3, but the present invention is not limited thereto. For example, it will be apparent that the embodiments of the present invention can also be applied to the image display apparatus described with reference to FIGS. 4 to 6, more specifically, a portable terminal.

7 is a flowchart illustrating a method of operating an image display apparatus according to an exemplary embodiment of the present invention, and FIG. 8 is a flowchart illustrating a method of operating an image display apparatus according to an exemplary embodiment of the present invention. More specifically, FIG. 7 is a flowchart illustrating a method of operating a transmission image display apparatus according to an embodiment of the present invention, and FIG. 8 is a flowchart illustrating a method of operating a reception image display apparatus according to an embodiment of the present invention.

9 to 19 are views referred to for describing various examples of a method of operating an image display device according to an exemplary embodiment of the present invention.

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

The transmission image display apparatus 100b according to an embodiment of the present invention may display a menu object 1010 for controlling a predetermined image as shown in FIG. 10A (S710), and play the predetermined image 1020 (S720). )

The menu object 1010 for controlling the predetermined image may be composed of objects corresponding to commands such as fast forward, rewind, stop, and play.

Thereafter, a transmission command for at least a portion of the predetermined image is received (S730).

For example, the transmission command may be a selection input for a transmission menu included in the menu object 1010 or separately provided.

Alternatively, the transmission command may be an input in which a user touches and drags a playback image or an input for moving the image by using another input device such as a mouse.

The transmission command may be a command for moving an area to be displayed on another image display apparatus among the predetermined images to a virtual area. The virtual area may be set up, down, left, and right of the image display apparatus 100b.

If the predetermined image is continuously moved even after reaching the outer portion of the display unit 180 of the image display apparatus 100b, the entire image cannot be displayed while maintaining the size of the display image. Therefore, some of the predetermined image 1020 is displayed on the display unit 180 of the image display apparatus 100b, and some of the predetermined image 1020 is not displayed on the display unit 180 of the image display apparatus 100b. Will not.

In this case, the remaining part of the predetermined image 1020 that is not displayed on the display unit 180 of the image display apparatus 100b may be determined to be moved to the virtual area and processed. This will be described later in detail with reference to FIGS. 12 and 13.

The method may further include selecting a device to receive data related to at least some of the predetermined images.

For example, when there are a plurality of target devices that can receive data related to the predetermined image and display the image, or when other settings exist, the target device to display the image can be selected as shown in FIG. 10B. The menu 1030 may be displayed and a target device, that is, a reception image display device may be determined.

Thereafter, the image display apparatus 100b may transmit data related to at least a portion of the predetermined image to the first image display apparatus 100a (S740) and finish displaying the predetermined image 1020 (S750). )

The image display apparatus 100b may also transmit audio data corresponding to the predetermined image 1020 to the first image display apparatus 100a. In addition, the image display apparatus 100b may stop the audio output after transmitting the audio data corresponding to the predetermined image 1020.

Referring to FIG. 10C, the display of the predetermined image 1020 is terminated on the screen of the transmission image display apparatus 100b, but the display of the menu object 1010 is not terminated. That is, the user may manipulate the menu object 1010 of the transmission image display apparatus 100b to control the content and the image displayed on the reception image display apparatus at a long distance.

10A to 10C show a target video display device on which a video is displayed when a video is directly selected and played by a controller (transmitted video display device), and the video is pushed and pushed to the side. After selecting the target video display device, the video is displayed on the remote target video display device. That is, the video playback point and the video display point are different. Since the actual video playback position is fixed, changing the target device again may change the playback video to another location.

Meanwhile, although FIGS. 10A to 10C illustrate transmitting the entire image and related data being reproduced to the first image display apparatus 100a, embodiments of the present invention may transmit some of the image. This will be described later with reference to FIGS. 12 and 13.

On the other hand, if the user wants to view the image being viewed on the third image display apparatus 100c instead of the first image display apparatus 100a, the user manipulates the menu object 1010 to change the received image display apparatus, and Data may be transmitted to the third image display apparatus 100c.

Alternatively, the first image display apparatus 100a may be configured to determine the first image display apparatus 100a as the reception image display apparatus through the second image display apparatus 100b. You can enter a transfer command.

That is, a method of operating an image display apparatus according to an embodiment of the present invention includes receiving a command to transmit the predetermined image from the first image display apparatus to a second image display apparatus and removing data related to the predetermined image. The method may further include transmitting to the image display apparatus.

11A to 11C, when an operation of moving an image 1030 displayed on the first image display apparatus 100a to a predetermined direction or a predetermined region by using a touch or another input device is determined, it is determined as a transmission command. The first image display apparatus 100a may transmit a command to the transmission image display apparatus 100b to transmit the predetermined image to the second image display apparatus 100c.

The image display apparatus 100b receiving a command to transmit the predetermined image from the first image display apparatus to the second image display apparatus transmits data related to the predetermined image to the second image display apparatus 100c, and 2 The image display apparatus 100c may display an image 1080 based on the received data.

In this case, when there are a plurality of available electronic devices, the menu 1060 for selecting a target device from among the plurality of electronic devices may be displayed on the first image display apparatus 100a.

According to an exemplary embodiment of the present invention, the reception image display apparatus may not only display the image transmitted by the transmission image display apparatus as it is, but also synthesize and display its own local image and the image transmitted by the transmission image display apparatus. Can be.

An operation method of a reception image display apparatus according to an exemplary embodiment of the present invention may generate a first image based on a received broadcast image signal or an external input image signal (S810).

Here, generation of an image includes signal processing for outputting an image. For example, a signal processing process such as scaling may be included to demultiplex or decode the input signal as necessary and output the resolution of the decoded video signal.

The tuner 110 of FIG. 9 may receive a broadcast video signal, and the received broadcast signal is a demodulator 120 and the image processor 320 is a signal such as decoding and scaling based on the received broadcast video signal. The process may generate a first image.

Meanwhile, the external device interface unit 135 may receive an external input video signal from an external device. The external device may be various examples such as an optical disc player such as a Blu-ray player, a set top box, a camera, a game device, and the like. When the content is played in the Blu-ray player, the played content may be input to the HDMI terminal of the external device interface unit 135.

The external device interface unit 135 may transmit an external input image signal received from an external device to the image processing unit 320, and the image processing unit 320 may decode and scale signals based on the received external input image signal. The process may generate a first image. If necessary, the external input image signal may pass through the demodulator 120 or the like.

On the other hand, an image that the receiving image display apparatus processes and outputs an image signal received from another source without passing through the transmitting image display apparatus may be referred to as a local image.

Meanwhile, the operation method of the reception image display apparatus according to the present invention may further include displaying the first image on the display unit 180. That is, when the first image is displayed and the second image is subsequently received, the image synthesized with the first and second images may be displayed on the display unit 180.

Meanwhile, the reception image display apparatus receives the second image and the control information from the first apparatus, for example, the above-described transmission image display apparatus (S820). The network interface unit 130 of FIG. 9 displays the transmission image through the network. The second image and the control information may be received from the device.

Thereafter, the reception image display apparatus synthesizes the first image and the second image based on the control information (S830). The first image, that is, the local image and the received second image, is transferred to the image synthesizer 910. Delivered. The image synthesizer 910 may synthesize the first image and the second image.

The image synthesizing unit 910 may arrange and synthesize the first image and the second image according to a predetermined rule.

For example, the first and second images may be arranged in the same size up and down or left and right.

Alternatively, the display position and size of the second image in the synthesized image may be determined based on the control information. The first and second images may be displayed without changing a display state such as a display position and size of the first image.

The control information may include display position information and display size information of the second image. The reception image display apparatus may display the second image on the display unit 180 at the display position and size of the second image according to a control signal received together with the second image.

When the user uses only the first image displayed on the reception image display apparatus and receives the second image from the transmission image display apparatus and intends to use it in the reception image display apparatus, the user is more interested in the second image than the first image. There are many big cases.

Therefore, more preferably, the synthesized image may be synthesized by superimposing the second image on the first image. That is, the display of the second image may be prioritized, and the second image may be displayed on the first image even if a part of the first image is obscured by the second image.

In this case, the second image may be displayed at the display position and size of the second image according to the control signal received together with the second image.

The control information may further include resolution information of the second image, and may further include additional information such as timing information of the playback image.

Meanwhile, the configuration of FIG. 9 is exemplary, and some of the components may be included as components of the controller 170. For example, like the controller 170 described with reference to FIG. 3, the image processor 320 and the processor 330 may be included in the controller 170.

In addition, the controller 170 may further include a synthesizer 910. Alternatively, the synthesis unit 910 may be a mixer 350 in the control unit 170 illustrated in FIG. 3.

The processor 330 may control the overall operation of the image display apparatus 100 or the controller 170.

A reception image display apparatus according to an embodiment of the present invention may receive images from a plurality of transmission image display apparatuses, and synthesize and display the received images.

An operation method of a reception image display apparatus according to an exemplary embodiment of the present invention may further include receiving a third image from a second device, and the synthesizing step S830 may synthesize the first to third images. .

In addition, in the synthesizing step S830, the second image and the third image may be arranged on the first image according to a setting to synthesize the image.

That is, the second image and the third image may be synthesized on the first image by prioritizing the second and third images over the first image. In addition, when the priority between the first and second devices is determined or the priority according to the display order is determined, the second and third images may also be superimposed based on the priority.

Meanwhile, when the reception image display apparatus simultaneously receives audio data corresponding to the received image, the reception image display apparatus may selectively output one or all of the audio corresponding to the local image and the received audio.

Hereinafter, various examples of an operating method of an image display apparatus according to an exemplary embodiment will be described with reference to FIGS. 12 to 19.

12 and 13 illustrate examples of screens displayed on the transmission / reception image display apparatus, and examples of setting a virtual screen (area) on the right side of the screen of the transmission image display apparatus.

The transmission image display device may be configured by connecting an actual screen of the reception image display device remotely controlled as a control device to its additional screen (virtual screen). Therefore, the actual screen of the reception image display apparatus is identified with the virtual screen of the controller.

The reception image display apparatus may display a composite image of its own image and the image sent from the transmission image display apparatus.

When the screen generated by the transmitting image display apparatus is moved to the virtual screen (region), the image included in the virtual screen (region) may be viewed on the receiving image display apparatus.

Referring to FIG. 12, a user moves a predetermined object or image 1230 displayed on the actual screen 1210 of the display unit 180 of the transmission image display apparatus to the virtual screen 1220 using a touch or other input device such as a mouse. When moved, the transmission image display apparatus may transmit data for displaying the image 1230 moved to the virtual screen 1220 to the reception image display apparatus through a network.

The screen 1240 of the reception image display apparatus may display the same screen as the virtual screen 1220.

Alternatively, the same image 1250 as that of the image 1230 included in the virtual screen 1220 may be displayed on the screen 1240 of the reception image display apparatus.

Meanwhile, the image 1250 displayed on the screen 1240 of the reception image display apparatus may have a different position, size, and resolution than the image 1230 included in the virtual screen 1220 according to device characteristics and other settings.

In FIG. 12, the entire predetermined image 1230 is moved to the virtual screen, but only a part of the predetermined image 1230 may be moved. 13 illustrates that a portion of the predetermined image 1330 is moved to the virtual screen.

Referring to FIG. 13, an image 1332 included in a virtual screen is displayed on a screen 1320 of the reception image display apparatus, and the image 1332 corresponds to a partial region of the predetermined image 1330 that is moved to the virtual screen. do.

Meanwhile, the remaining portion 1331 of the predetermined image 1330 is continuously displayed on the screen 1310 of the transmission image display apparatus.

The receiving video display device can remotely retrieve and play the video data of the transmitting video display device, but when the video screen generated by the transmitting video display device is transmitted to the virtual screen of the receiving video display device, the receiving video display device is not currently being played. Can show screen In this case, when the video is played back on the transmission video display device, the reception video display device does not need to know the video data of the actual transmission video display device.

Meanwhile, the method may further include a step of requesting a connection to the reception video display device before or after playing the video on the transmission video display device, and connecting the virtual screen if the reception video display device approves the connection. You can send the playback screen.

Meanwhile, according to an exemplary embodiment, when the video signal has already passed through the decoder, when transmitting and receiving the video, the transmitting video display device may reduce the network load and transmit and receive the video image by compressing and transmitting the video signal again.

In addition, if the video is to be transmitted before decoding, it can be sent directly to the video transmitter without going through an encoder. In this case, the raw data state that has not been converted into an image on the virtual screen can be directly transmitted.

14 illustrates a case where one notebook 1410 is used as the transmission image display device and the projector 1500 is used as the reception image display device.

The screen 1420 of the notebook 1410 displays a predetermined image 1421 without moving to the virtual screen 1430, and the predetermined image 1431 included in the virtual screen 1431 on the screen 1510 of the projector 1500. The image 1520 corresponding to) may be displayed.

12 and 13, a portion of the predetermined image 1421 may be displayed on the screen 1420 of the transmission image display device 1410, and another portion 1520 may be displayed on the screen 1510.

FIG. 15 illustrates a case in which another second transmission image display apparatus 1450 of FIG. 14 is further connected to the projector 1500 through a network.

A predetermined image 1460 is displayed on the screen 1460 of the second transmission image display apparatus 1450, and the image 1530 moved to the virtual screen by the second transmission image display apparatus 1450 displays the first transmission image. The screen may be synthesized with the image 1520 moved to the virtual screen by the device 1410 and displayed on the screen 1510.

On the other hand, when the display positions of the image 1520 moved to the virtual screen by the first transmission image display apparatus 1410 and the image 1530 moved to the virtual screen by the second transmission image display apparatus 1450 overlap. The display position and / or size of at least one of the two images 1520 and 1530 may be changed.

Multiple users can connect to the projector and input different images according to the users. By setting the size, position, height, etc. of the screen displayed on the projector differently according to the user's authority, a plurality of users can demonstrate and explain while watching several screens simultaneously using a single projector.

16 and 17 illustrate a case in which a portable terminal 1600 including a display unit 1610 or a remote controller is used as a transmission image display device, and a TV 1700 is used as a reception image display device.

FIG. 16 illustrates an example in which a plurality of image display apparatuses share the same screen when the image 1620 displayed on the transmission image display apparatus and the image 1710 displayed on the reception image display apparatus are the same.

FIG. 17 illustrates that the reception image display apparatus 1700 synthesizes and displays a local image 1730, for example, a broadcast image received from a broadcasting station and an image 1720 based on data received from the transmission image display apparatus 1600. have.

In addition, if there is an image 1650 that does not move to the virtual screen, it may still be displayed on the transmission image display apparatus.

The reception image display device 1700 can be controlled by looking directly at the screen, and the video that is played immediately when a user searches for and watches a video using a remote controller or a smartphone 1600 while viewing the reception image display device 1700. Can be passed to the TV for seamless viewing.

Meanwhile, the image and data transfer command may be input by touching an image or a menu displayed on the screen, but may also be controlled by manipulation of a key 1630 physically arranged.

18 and 19 illustrate an example in which at least a part of an image is shared in the image display device system according to the example of FIG. 1.

Referring to the drawings, when a user wants to use at least a portion of a local image displayed on the transmission image display apparatus 100b in another image display apparatus, the user moves the desired portion to the virtual screen 1920.

Accordingly, the transmission image display apparatus 100b transmits data for displaying the image moved to the virtual screen 1920 to the reception image display apparatus 100a.

On the other hand, the remaining image 1910 which is not moved is displayed on the screen 1810 of the transmission image display apparatus 100b.

The reception image display apparatus 100a may also display an image sent by the transmission image display apparatus 100b, but may independently display one or more local images.

The reception image display apparatus 100a may synthesize the generated image 1940 based on the local image 1930 and the received data, and display the synthesized image 1820 on the screen.

In addition, as shown in FIG. 19, the reception image display apparatus 100a may display other local images 1950 together.

The present invention relates to a method for synthesizing an image using a receiving device having an independent remote screen and a transmitting device having the screen control and controlling the remote screen.

By connecting a plurality of video display devices to one receiving video display device, there is an effect of implementing a multimedia device such as seamless video viewing, and an effect of facilitating multiple operations by a plurality of users through a single video device. have.

It also makes it easier to implement N-screen services that allow devices connected to the network to view and share the same screen.

The image display apparatus and the operation method thereof according to the present invention are not limited to the configuration and method of the embodiments described above but the embodiments can be applied to all or some of the embodiments May be selectively combined.

Meanwhile, the operation method of the image display apparatus of the present invention can be implemented as a code that can be read by a processor on a recording medium readable by a processor included in the image display apparatus. The processor-readable recording medium includes all kinds of recording apparatuses in which data that can be read by the processor is stored. Examples of the recording medium that can be read by the processor include a ROM, a RAM, a CD-ROM, a magnetic tape, a floppy disk, an optical data storage device, and the like, and may also be implemented in the form of a carrier wave such as transmission over the Internet . In addition, the processor-readable recording medium may be distributed over network-connected computer systems so that code readable by the processor in a distributed fashion can be stored and executed.

While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it is to be understood that the invention is not limited to the disclosed exemplary embodiments, but, on the contrary, It will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the present invention.

Claims (13)

Generating a first image based on the received broadcast image signal or the external input image signal;
Receiving a second image and control information from a first device;
Synthesizing the first image and the second image based on the control information; And
Displaying the synthesized image; and operating the image display device. The method of claim 1,
And displaying the first image. The method of claim 1,
And the synthesized image is synthesized by superimposing the second image on the first image. The method of claim 1,
The display position and size of the second image in the synthesized image is determined based on the control information. The method of claim 1,
The control information may include at least one of display position information, display size information, resolution information, and timing information of the second image. The method of claim 1,
Receiving a third image from the second device;
In the synthesizing step, the first to third images are synthesized. The method according to claim 6,
In the synthesizing step, the second image and the third image are arranged on the first image according to a setting to synthesize the image. Displaying a menu object for controlling a predetermined image;
Playing the predetermined image;
Receiving a transmission command for at least a portion of the predetermined image;
Transmitting data related to at least a portion of the predetermined image to a first image display device; And
Terminating display of the predetermined image; and operating the image display device. 9. The method of claim 8,
And selecting a device to receive data related to at least some of the predetermined images. 9. The method of claim 8,
And the transmitting command is a command for moving a region to be displayed on another image display apparatus among the predetermined images to a virtual region. 9. The method of claim 8,
Receiving a command to transmit the predetermined image from the first image display apparatus to a second image display apparatus; and
And transmitting data related to the predetermined image to a second image display device. A tuner unit for receiving a broadcast video signal;
An external device interface unit configured to receive an external input video signal;
An image processor configured to generate a first image based on the received broadcast image signal or an external input image signal;
A network interface unit configured to receive second image and control information from the first device;
A synthesizer configured to synthesize the first image and the second image based on the control information; And
And a display unit for displaying the synthesized image. A display unit;
A tuner unit for receiving a broadcast video signal;
An external device interface unit configured to receive an external input video signal;
A network interface unit configured to receive second image and control information from the first device; And
And a controller configured to generate a first image based on the received broadcast video signal or an external input video signal.
And the controller is configured to synthesize the first image and the second image based on the control information and to display the synthesized image on the display unit.

Images