KR101626304B1 - Image Display Device and Controlling Method for the Same - Google Patents

Abstract

The present invention relates to an image display apparatus and a control method thereof. An image display apparatus according to an embodiment of the present invention displays 3D objects. A 3D object is an object to which a stereoscopic effect is applied so that a user who views the image display device can feel stereoscopic effect. The video display device displays a 3D object corresponding to a user of an external communication device connected to the video display device. The video display device can discriminate the video display device user gesture to be interfaced with the 3D object, and can transmit and receive contents with the external communication device.

Video display device, external communication device, 3D object, content

Description

Technical Field [0001] The present invention relates to an image display device and a control method thereof,

The present invention relates to an image display apparatus and a control method thereof. More particularly, the present invention relates to an image display apparatus and a control method thereof that can display a screen to which a stereoscopic effect is applied so that a user can feel a stereoscopic effect.

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. A video display device displays a broadcast selected by a user among broadcast signals transmitted from a broadcast station on a display. Currently, broadcasting is changing from analog broadcasting to digital broadcasting around the world.

Digital broadcasting refers to broadcasting in which digital video and audio signals are transmitted. Compared to analog broadcasting, digital broadcasting is strong against noise and has low data loss, is advantageous for error correction, has high resolution, and provides a clear screen. Also, unlike analog broadcasting, digital broadcasting is capable of bidirectional service.

In addition, various studies on stereoscopic images have been conducted recently, and stereoscopic image technology has become more common and practical in various other environments and technologies as well as computer graphics. Also, the stereoscopic image can be transmitted in the digital broadcasting described above, and a device for reproducing the stereoscopic image is also under development.

Accordingly, it is an object of the present invention to provide an image display apparatus and a control method thereof that can display an image to which a stereoscopic effect is applied so that a user can feel a stereoscopic effect. It is still another object of the present invention to provide a user interface that can be applied to an image display device for displaying a stereoscopic effect image so that a user can conveniently use the image display device for displaying the stereoscopic effect image.

According to an aspect of the present invention, there is provided a method of controlling an image display apparatus capable of communicating with an external communication apparatus, the method comprising: ; Displaying a 3D object corresponding to a user of the external communication device; Identifying a gesture that interacts with a 3D object corresponding to a user of the external communication device among the gestures of the user of the image display device; And transmitting the content to the external communication device or receiving the content provided by the external communication device according to the determined gesture.

According to another aspect of the present invention, there is provided an image display apparatus capable of communicating with an external communication apparatus, the apparatus comprising: a network interface unit communicating with an external communication apparatus; A display unit for displaying a 3D object corresponding to a user of the external communication device; A gesture discrimination unit for discriminating a gesture interfacing with the 3D object corresponding to the user of the external communication device among the gestures of the user of the image display device; And a controller for transmitting the content to the external communication device or controlling the network interface unit to transmit the content provided by the external communication device according to the gesture determined by the gesture determination unit.

According to the present invention, an image display apparatus can display an image to which a stereoscopic effect is applied so that a user can feel a stereoscopic effect at the time of viewing. Also, the video display device can communicate with the external communication device and display the 3D object corresponding to the user of the external communication device. The user of the image display apparatus can receive and exchange contents with the user of the external communication device by taking a gesture to interact with the 3D object corresponding to the user of the external communication device. Also, the user of the video display device can transmit the content provided by the user of the external communication device to another external device.

Hereinafter, the present invention will be described in 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.

<Description of FIG. 1>

1 is a view illustrating a video display device system according to an embodiment of the present invention.

The video display device 100 according to an embodiment of the present invention can communicate with the broadcasting station 210, the external communication device 220, or the external device 230. [

The image display apparatus 100 may receive a broadcasting signal including a video signal transmitted from the broadcasting station 210. The image display apparatus 100 may process a video signal, a voice signal, or a data signal included in the broadcast signal so as to be suitable for output from the image display apparatus 100. [ The video display device 100 can output video or audio based on the processed video signal.

The image display apparatus 100 can communicate with the external communication device 220. The external communication device 220 is a device capable of transmitting and receiving signals to and from the image display device 100 via an arbitrary network. For example, the external communication device 220 may be a telephone that can be connected to the video display device 100 through a wired or wireless base station. Also, the external communication device 220 may be a network server capable of providing contents to the video display device 100 through the Internet network. The content provider can provide the content to the video display device 100 using the network server.

The image display apparatus 100 can communicate with the external apparatus 230. [ The external device 230 is a device capable of transmitting / receiving signals directly to / from the image display device 100 by wire or wirelessly. For example, the external device 230 may be a media storage or playback device used by a user. That is, the external device 230 may be a camera, a DVD or Blu-ray player, a personal computer, or the like.

The broadcasting station 210, the external communication device 220, and the external device 230 may transmit a signal including a video signal to the video display device 100. The image display apparatus 100 can display an image based on a video signal included in an input signal. The video display apparatus 100 may transmit a signal transmitted from the broadcasting station 210 and the external communication apparatus 220 to the video display apparatus 100 to the external apparatus 230. In addition, a signal transmitted from the external device 230 to the video display device 100 may be transmitted to the broadcasting station 210 or the external communication device 220. That is, the video display apparatus 100 can transmit contents included in the signals transmitted from the broadcasting station 210, the external communication apparatus 220, and the external apparatus 230, in addition to directly reproducing the contents from the video display apparatus 100.

<Description of FIG. 2>

2 is an internal block diagram of an image display apparatus according to an embodiment of the present invention.

2, an image display apparatus 100 according to an exemplary embodiment of the present invention includes a broadcast signal receiving unit 110, a network interface unit 120, an external device input / output unit 130, a gesture discrimination unit 140, A control unit 170, a display 180, and an audio output unit 185.

The broadcast signal receiving unit 110 may receive an RF broadcast signal corresponding to a channel selected by the user or all pre-stored channels among RF (Radio Frequency) broadcast signals received through the antenna. The broadcast signal receiving unit 110 may convert the received RF broadcast signal into an intermediate frequency signal, a baseband image or a voice signal, and output the converted signal to the controller 170.

In addition, the broadcast signal receiver 110 may receive an RF broadcast signal of a single carrier according to an Advanced Television System Committee (ATSC) scheme or an RF broadcast signal of a plurality of carriers according to a DVB (Digital Video Broadcasting) scheme. The broadcast signal receiving unit 110 sequentially selects RF broadcast signals of all broadcast channels stored through the channel memory function among the received RF broadcast signals, and converts the RF broadcast signals into an intermediate frequency signal, a baseband image, or a voice signal. This is to show a thumbnail list including a plurality of thumbnail images corresponding to broadcast channels on the display unit 180. [ Therefore, the broadcast signal receiving unit 110 can receive the RF broadcast signals of the selected channel or all the stored channels sequentially / periodically.

The network interface unit 120 provides an interface for connecting the video display device 100 to a wired / wireless network including the Internet network.

The network interface unit 120 may include a wireless communication unit capable of wirelessly connecting the video display device 100 to the Internet. For wireless Internet access, WLAN (Wi-Fi), Wibro (Wireless broadband), Wimax (World Interoperability for Microwave Access), HSDPA (High Speed Downlink Packet Access)

The network interface unit 120 may receive content or data provided by a content provider or a network operator through a network. That is, it is possible to receive contents such as broadcasts, games, VOD, broadcast signals, and the related information provided from a content provider through a network. In addition, the update information and the update file of the firmware provided by the network operator can be received.

In addition, the network interface unit 120 may be connected to a communication network capable of video or voice communication. The communication network may mean a broadcasting communication network, a public telephone network, a mobile communication network, etc. connected through a LAN.

The external device input / output unit 130 can connect the external device and the video display device 100. [ To this end, the external device input / output unit 130 may include an A / V input / output unit or a wireless communication unit.

The external device input / output unit 130 is connected to an external device such as a DVD (Digital Versatile Disk), a Blu ray, a game device, a camera, a camcorder, a computer (notebook) The external device input / output unit 130 transmits external video, audio, or data signals to the controller 170 of the video display device 100 through a connected external device. Also, the control unit 170 can output the processed video, audio, or data signal to the connected external device.

The A / V input / output unit includes an Ethernet terminal, a USB terminal, a CVBS (Composite Video Banking Sync) terminal, a component terminal, and an S-Video (Digital Visual Interface) terminal, an HDMI (High Definition Multimedia Interface) terminal, an RGB terminal, a D-SUB terminal, and the like.

Further, the wireless communication unit can perform wireless communication with another external device. The image display apparatus 100 is connected to an external device according to a communication standard such as Bluetooth, an RFID (Radio Frequency Identification), an IrDA (Infrared Data Association), an UWB (Ultra Wideband), a ZigBee, Can be connected.

Also, the external device input / output unit 130 may be connected to various set-top boxes via at least one of the various terminals described above to perform input / output operations with the set-top box.

For example, when the set-top box is a set-top box for an IP (Internet Protocol) TV, the external device input / output unit 130 transmits video, audio, or data signals processed in the IP TV set- 170). In addition, the controller 170 can transmit the processed signals to the IP TV set-top box.

Meanwhile, the IPTV may include ADSL-TV, VDSL-TV, FTTH-TV and the like depending on the type of the transmission network. The IPTV may include a TV over DSL, a video over DSL, a TV over IP BTV), and the like. In addition, IPTV may also mean an Internet TV capable of accessing the Internet, or a full browsing TV.

The gesture discrimination unit 140 can discriminate the gesture of the user of the image display apparatus 100. [ The user can input the video display device control command to the video display device 100 using the gesture. The gesture discrimination unit 140 may store information related to the video display device control command corresponding to the user gesture. The gesture discrimination unit 140 discriminates the user gesture and transmits information on the projection display control command corresponding to the determined gesture to the control unit 170. [ The control unit 170 controls the image display apparatus 100 to correspond to the user gesture discriminated by the gesture discrimination unit 140. [

The gesture discrimination unit 140 may include at least one means for discriminating the gesture of the user. The gesture judging unit 140 of the image display apparatus 100 according to the present embodiment may include a user gesture identification means such as a camera and an infrared sensor. The present invention is not limited to the scope of the present invention.

For example, the gesture judging unit 140 including a camera may photograph a user gesture. The gesture discrimination unit 140 discriminates whether or not the captured gesture pattern is a gesture pattern corresponding to an image display device control command in which the captured user gesture pattern is stored. The gesture judging unit 140 may output to the control unit 170 information related to the video display device control command corresponding to the gesture pattern corresponding to the photographed user gesture. Accordingly, the control unit 170 can control the image display apparatus 100 according to the information output from the gesture judging unit 140. [

A user may use a remote control device or other kind of control command input means capable of transmitting a signal including a control command to the video display device 100. [ In this case, the gesture judging unit 140 can discriminate the user gesture by discriminating the movement of the remote control device used by the user of the video display device 100 or other kinds of control command input means.

The gesture discrimination unit 140 can photograph the movement of a remote control device used by a user of the video display device 100 or other kinds of control command input means through a camera. Also, the movement of the remote control device or other kinds of control command input means can be tracked using an infrared sensor. The gesture discrimination unit 140 can discriminate the user gesture through the movement of a remote control device photographed or tracked or other type of control means input means.

As another example, the remote control device or other type of control command input means can transmit and receive signals to and from the video display device 100. In this case, the signal transmitted from the remote control device or other type of control command input means to the image display device 100 includes information on the motion of the remote control device or other kinds of control command input means. The gesture discrimination unit 140 can discriminate a gesture of a user using the image display device from a signal transmitted from a remote control device or another kind of control command input means. The remote control device or other type of control command input means may include a gyro sensor, an acceleration sensor, or the like so as to calculate motion information and transmit the motion information to the image display device 100.

In this embodiment, the other type of control command input means may be a pointing device of a type that can be attached to a part of the user's body or a pointing device of a type that the user can move by hand.

The controller 170 controls the overall operation of the image display apparatus 100. The control unit 170 may receive a signal transmitted from a remote control device or another kind of control command input means. In addition, a command can be input through the local key provided in the image display apparatus 100. The controller 170 determines a command included in the received signal or a command corresponding to a local key operation and controls the image display apparatus 100 to correspond to the command.

For example, when the user inputs a predetermined channel selection command, the control unit 170 controls the broadcast signal receiving unit 110 to receive the broadcast signal provided through the selected channel through the broadcast signal receiving unit 110. Also, the video and audio signals of the selected channel can be processed and output to the display unit 180 or the sound output unit 185. In addition, channel information selected by the user may be output through the display unit 180 or the audio output unit 185 together with the video signal and the audio signal.

The control unit 170 may process the video signal or the audio signal based on the information included in the data signal received together with the video signal or the audio signal. That is, the controller 170 may determine the format of the video signal from the data signal related to the video signal input to the video display device 100, and process the video signal input to the video display device 100 according to the format of the video signal .

The controller 170 may generate an OSD signal that can display an OSD related to an image generated based on the video signal from a data signal associated with the video signal. In addition, the user can confirm relevant information in the image display apparatus 100 or generate a graphic user interface so that the image display apparatus 100 can input the image display apparatus control command.

The user can input another kind of video or audio output command through a remote control device or another type of control command input means. For example, the user may wish to view a camera or camcorder image signal input through the external device input / output unit 130 instead of the broadcast signal. In this case, the control unit 170 controls the image display apparatus 100 so that the video signal or the audio signal input through the USB input unit of the external device input / output unit 130 is outputted through the display unit 180 or the audio output unit 185, The video signal or the audio signal can be processed.

The control unit 170 of the present embodiment can process a video signal so that a 2D or 3D video signal input from the outside can be displayed on the display unit 180. [ In addition, the controller 170 may process the image signal so that the generated graphic user interface is three-dimensionally displayed on the display unit 180. A detailed description of the control unit 170 will be described later with reference to FIG.

The display unit 180 converts the video signal, the data signal, the OSD signal processed by the control unit 170 or the video signal and the data signal received through the external device input / output unit 130 into R, G, and B signals, respectively Thereby generating a driving signal. The display unit 180 may display a screen according to the generated driving signal. The display unit 180 may be a PDP, an LCD, an OLED, or a flexible display. In this embodiment, the display unit 180 preferably has a 3D display.

The three-dimensional display can be divided into an additional display method and a single display method according to a method of recognizing a three-dimensional image by a user.

In the single display method, a 3D image can be implemented independently on a display without a separate auxiliary device. A user who views a display using a single display method can view a three-dimensional image even without the additional apparatus (ex) flat glasses). The single display method may be a lenticular method, a parallax barrier, or the like.

The additional display method is a method of implementing a 3D image using an auxiliary device. Additional display methods include a head-mounted display (HMD) system, a glasses system, and the like. Further, polarized glasses, shutter glasses, spectral filters, and the like can be applied to the glasses used in the glasses system.

Meanwhile, 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 a signal processed by the video / audio processing unit 170, for example, a stereo signal, a 3.1 channel signal, or a 5.1 channel signal, and outputs it as a voice. The sound output unit 185 may be implemented by various types of speakers.

<Description of Figs. 3 and 4>

3 is an internal block diagram of the controller 170 of the image display apparatus according to an embodiment of the present invention.

The controller 170 may include a demodulator 171, a demultiplexer 172, a decoder 173, an OSD generator 174, and a formatter 175.

The demodulator 171 may demodulate the broadcast signal received by the broadcast signal receiver 110. For example, the demodulator 171 may receive the digital IF signal DIF converted by the broadcast signal receiver 110 and perform a demodulation operation. The demodulator 171 may perform channel decoding. For this, the demodulator 171 may include a convolution decoder, a deinterleaver, and a reed-solomon decoder to perform convolutional decoding, deinterleaving, and reed solomon decoding.

The demodulator 171 can demodulate and decode the channel and output the stream signal TS. The stream signal may be a signal in which a video signal, a voice signal, or a data signal is multiplexed. For example, the stream signal may be an MPEG-2 TS (Transport Stream) multiplexed with an MPEG-2 standard video signal, a Dolby AC-3 standard audio signal, or the like. Specifically, the MPEG-2 TS may include a header of 4 bytes and a payload of 184 bytes.

The demodulator 171 may be separately provided according to the ATSC scheme and the DVB scheme. The stream signal output from the demodulator 171 may be input to the demultiplexer 172.

The demultiplexer 172 demultiplexes the received stream signal, for example, the MPEG-2 TS into a video signal, a voice signal, and a data signal. The stream signal input to the demultiplexer 172 may be a stream signal output from the demodulator 171, the network interface unit 120, and the external device input / output unit 130.

The demultiplexed data signal may be an encoded data signal. The encoded data signal may include EPG (Electronic Program Guide) information including broadcast information such as a start time and an end time of a broadcast program broadcasted on each channel. For example, the EPG information may be ATSC-PSIP (ATSC-Program and System Information Protocol) information in the case of the ATSC scheme and DVB-Service Information (DVB-SI) information in case of the DVB scheme .

The decoder unit 173 can decode the demultiplexed signal. The decoder unit 173 of the present embodiment may include a video decoder for decoding the demultiplexed video signal and a scaler for adjusting the resolution of the decoded video signal to be output from the video display device 100.

The formatter 175 can determine the format of the inputted video signal by referring to the data signal related to the video signal. In addition, the formatter 175 may convert the input video signal into a format suitable for the display unit 180, and output the converted video signal to the display unit 180.

The video display device 100 of this embodiment can display a 3D image on the display unit 180. [ The formatter 175 may generate a 3D image signal according to a predetermined format by separating the input image signal into a plurality of view image. The formatter 175 outputs the generated 3D video signal to the display unit 180. The display unit 180 displays a 3D image based on the generated 3D image signal.

The 3D image is composed of a plurality of viewpoint images. The user can view the multiple view image through the left eye and the right eye. The user can feel the stereoscopic effect of the 3D image through the difference of the image viewed through the left eye and the right eye. A multi-view image for realizing a 3D image is generally composed of a left eye image that the user can recognize through the left eye and a right eye image that can be recognized through the right eye.

4 is a diagram showing an example of a 3D image signal format capable of implementing a 3D image. The 3D image signal format may be determined according to a method of arranging the left eye image and the right eye image generated to implement the 3D image.

As shown in FIG. 4A, a method of arranging the left eye image and the right eye image to left and right is referred to as a side by side format. As shown in FIG. 4B, a method of arranging the left eye image and the right eye image up and down is called a top / down format. As shown in FIG. 4C, the method of arranging the left eye image and the right eye image by time division is called a frame sequential format. As shown in FIG. 4D, a method of mixing the left eye image and the right eye image line by line is referred to as an interlaced format. As shown in FIG. 4E, a method of mixing the left eye image and the right eye image box by box is called a Checker Box format.

A video signal included in a signal input from the outside to the image display apparatus 100 may be a 3D image signal capable of implementing a 3D image. In addition, the graphic user interface video signal generated to display information related to the video display device 100 or to input a command related to the video display device 100 may be a 3D video signal. The formatter 175 may mix the 3D video signal included in the signal inputted from the outside to the video display device 100 and the graphic user interface 3D video signal and output the mixed signal to the display unit 180.

The formatter 175 can determine the format of the mixed 3D video signal by referring to the related data signal. The formatter 175 may process the 3D video signal to fit the determined format and output the processed 3D video signal to the display unit 180. When the 3D image signal format that can be output from the display unit 180 is limited, the formatter 175 converts the received 3D image signal into a 3D image signal format that can be output from the display unit 180 And output it to the display unit 180.

The OSD generation unit 174 may generate an OSD (On Screen Display) signal. Specifically, the OSD generation unit 174 generates various kinds of information (e.g., a variety of information) on the screen of the display unit 180 based on at least one of a video signal and a data signal, or a user input signal input through a remote control device or another kind of control command input means May be generated as a graphic or text signal. The OSD generating unit 174 may generate a signal for displaying a graphic or text capable of inputting a control command to the image display apparatus 100. [ The generated OSD signal may be output to the display unit 180 together with the processed image signal and the processed data signal.

The OSD signal may include information on a user interface screen, various menu screens, widgets, icons, and the like that the display unit 180 can display as a signal generated for graphic or text display. The OSD generation unit 174 may generate the OSD signal as a 2D video signal or a 3D video signal. The OSD signal generated by the OSD generating unit 174 may include a graphical user interface 3D video signal mixed with another video signal in the formatter 175. [

The display unit 180 may display the object according to the OSD signal generated by the OSD generating unit 174. [ The object of this embodiment may be one of a volume control button, a channel control button, an image display device control menu, an icon, a navigation tab, a scroll bar, a progressive bar, a text box, and a window.

The user can recognize information on the image display apparatus 100 or information on the image displayed on the image display apparatus 100 through the object displayed on the display unit 180. [ In addition, a command can be input to the image display device 100 through the object displayed on the image display device 100. FIG. On the other hand, the 3D object in the present specification is an object to which a stereoscopic effect is applied so as to have a stereoscopic effect. The 3D object may be a PIP image, an EPG indicating broadcast program information, various menus of a video display device, a widget, an icon, and the like.

5,

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

The video display device 100 of this embodiment can communicate with an external communication device (S110). For example, the image display device 100 may be connected to an external communication device through a communication network. If the external communication device is a telephone, the user of the video display device 100 can communicate with the user of the external communication device.

The image display apparatus 100 may display a 3D object corresponding to a user of the external communication apparatus on the display unit 180 (S120). The 3D object corresponding to the user of the external communication device may be a 3D object generated according to the video signal included in the signal transmitted from the external communication device.

For example, the external communication device may include a camera. In this case, the external communication device can take a picture of the user of the external communication device and transmit the taken picture or moving picture to the video display device 100. The control unit 170 may generate a 3D image signal based on the image signal included in the signal received through the network interface unit 120. [ The control unit 170 can output the generated 3D video signal to the display unit 180. The display unit 180 may display a 3D object corresponding to the 3D image signal output from the controller 170. [

As another example, the 3D object corresponding to the user of the external communication device may be a 3D object corresponding to the virtual image information generated in the image display apparatus 100. [ For example, the 3D object corresponding to the user of the external communication device may be an avatar.

The gesture discrimination unit 140 of the image display apparatus 100 can discriminate the gesture of the user of the image display apparatus 100 at step S130. For example, the gesture judging unit 140 may photograph the movement of the user of the image display apparatus 100 and compare the pattern with a user movement pattern corresponding to the image display apparatus control command.

The gesture discrimination unit 140 may determine whether the user gesture is a gesture interacting with the 3D object (S140). For example, the gesture judging unit 140 can judge whether the user gesture is a gesture that is interfaced with the external communication device user 3D object displayed by the display unit 180. [

If the user gesture determined by the gesture determination unit 140 is a gesture that interacts with a 3D object corresponding to an external communication device, the video display device 100 can transmit and receive content with the external communication device (S150). In the present embodiment, when the gesture discrimination unit 140 determines that the user gesture interacts with the 3D object corresponding to the user of the external communication device, the control unit 170 instructs the transmission of the content, 100). Accordingly, the control unit 170 may control the network interface unit 120 to transmit content provided by the external communication device.

6,

FIG. 6 is a flowchart illustrating a method of controlling an image display apparatus according to an exemplary embodiment of the present invention. Referring to FIG.

In the present embodiment, the image display apparatus 100 may be connected to an external apparatus through an external apparatus input / output unit 130 in a wired or wireless manner (S210). For example, the user can connect the image display apparatus 100 to a camera or a personal computer.

The image display apparatus 100 may display a 3D object corresponding to the content on the display unit 180 (S220). The 3D object displayed by the display unit 180 may correspond to the content stored in the image display apparatus 100. Also, the 3D object displayed by the display unit 180 may correspond to the content transmitted to the image display apparatus 100.

The gesture discrimination unit 140 discriminates the gesture of the user of the image display apparatus 100 (S230). For example, the gesture discrimination unit 140 may photograph a user of the image display apparatus 100 through a camera to discriminate a user gesture.

If the user gesture determined by the gesture determination unit 140 is a gesture that interacts with the content corresponding 3D object at step S240, the control unit 170 displays the content corresponding to the 3D object with an external device connected to the video display device 100 The network interface unit 120 may be controlled so as to be transmitted (S250).

The gesture discrimination unit 140 may store information about the gesture interacting with the content-corresponding 3D object. The gesture discrimination unit 140 may compare the discriminated pattern of the user gesture with the stored gesture pattern and output the information related to the video display device control command corresponding to the user gesture to the control unit 170. [ The control unit 170 may transmit the contents to the external device according to the control information output from the gesture judging unit 140. [

In this embodiment, the controller 170 recognizes that an instruction to store the content stored in the video display device 100 or to transmit the content transmitted to the video display device 100 to the external device is input. Accordingly, the control unit 170 can transmit the content corresponding to the 3D object displayed by the display unit 180 of the image display device 100 to the external device.

7 to 10,

FIG. 7 is a diagram for describing a 3D object displayed on an image display device according to an embodiment of the present invention. Referring to FIG.

The image display apparatus 100 according to an embodiment of the present invention can be connected to an external communication device. In the present embodiment, the external communication device is a telephone capable of video communication. In this case, the image display apparatus 100 can display the 3D object 303 on the display unit 180 based on the image signal related to the user of the external communication device included in the signal transmitted from the external communication apparatus.

The 3D object 303 is an object to which a stereoscopic effect is applied so as to appear to protrude toward the user 301 of the image display apparatus 100. [ The image display device 100 can display at least two multi-view images constituting the 3D object 303 on the display unit 180 plane D1. The multi-view image is a parallax image. The user 301 can see that the 3D object 302 composed of the multi-view image displayed on the plane D1 of the display unit 180 is projected by the distance a from the plane 180 of the display unit 180 toward the user 301 .

The user 301 of the image display apparatus 100 that views the 3D object 302 can recognize that the user of the external communication apparatus is actually located in front of the image display apparatus 100 in this embodiment.

FIG. 8 is a view for explaining a case in which the video display device 100 according to the embodiment of the present invention receives content through an external communication device.

When an external communication device connected to the video display device 100 wants to transmit content to the video display device 100, the display state of the 3D object corresponding to the user of the external communication device can be changed. In the present embodiment, the video display apparatus 100 is configured so that the user of the external communication apparatus is allowed to correspond to the user of the external communication apparatus so as to be seen by the user 311 of the video display apparatus 100 as if he or she took a handshake The display state of the 3D object 312 can be changed.

At least two multi-view images constituting the 3D object 312 corresponding to the external communication device user may be displayed on the plane D2 of the display unit 180. [ The user can feel the 3D effect of the 3D object 312 composed of the multi-view image through the parallax of the multi-view image displayed on the plane D2 of the display unit 180. [

The user 311 desiring to receive the content provided by the external communication device can take a gesture interacting with the 3D object 312, as shown in Fig. 8B. The gesture judging unit 140 of the image display apparatus 100 photographs a user using a camera or the like to discriminate whether or not the user gesture matches a gesture interacting with the external communication device-corresponding 3D object 312.

In this embodiment, when an external communication device tries to transmit content to the video display device 100, the user 311 of the video display device 100 transmits a 3D object corresponding to the user of the external communication device, The video display device 100 determines that the content transfer acceptance command provided by the external communication device is input to the video display device 100. In this case, Accordingly, the control unit 100 may control the network interface unit 120 to receive the content provided by the external communication device.

FIG. 8C is a diagram for explaining a case where content is transmitted from an external communication device to the image display device 100. FIG. The OSD generating unit 174 of the video display device 100 may generate an OSD signal constituting the 3D object 314 corresponding to the transmitted content and output the generated OSD signal to the formatter 175. [ The display unit 180 displays the 3D object 314 corresponding to the content based on the OSD signal output by the OSD generating unit 174. [

In the present embodiment, the video display device 100 can change the display state of the 3D object 314 corresponding to the content transmitted corresponding to the transmission state of the content. That is, as the 3D object 314 moves from the user 312 of the external communication device toward the user 311 of the image display device, the depth of the 3D object 314 corresponding to the content can be adjusted. The 3D object 314 is shown to the user 311 of the image display device 100 as if moving along the arrow direction. The depth of the 3D object can be changed by adjusting the interval at which the image forming the 3D object is displayed on the plane D2 of the display unit 180. [

In addition, the image display apparatus 100 can display the 3D object 313 on the display unit 180 indicating the transmission status of the content. The OSD generating unit 174 generates an OSD signal so that a 3D object indicating a transmission state can be displayed on the display unit 180 when content is transmitted from the external communication device to the video display device 100, Can be output. The formatter 175 may output the OSD signal to the display unit 180. [ The formatter 175 processes the inputted OSD signal so that the OSD signal can be displayed on the display unit 180, and then outputs the processed OSD signal to the display unit 180. The display unit 180 displays a 3D object corresponding to the input OSD signal. 8C, in this embodiment, the display unit 180 displays a 3D object 313 indicating that content is being transmitted to the user 311 of the video display device 100. In this case,

9, the video display device 100 may transmit 3D objects 323 and 324 representing contents provided by an external communication device to the video display device 100 in order to transmit content from the external communication device to the video display device 100 Can be displayed.

9A, when an external communication device connected to the video display device 100 wishes to transmit content to the video display device 100, the 3D object 322 corresponding to the user of the external communication device transmits an external communication The display state changes as if the user of the device is asking for a handshake.

In addition, the image display apparatus 100 can display the 3D object 323 corresponding to the content provided by the external communication device on the display unit 180. [ The OSD generating unit 174 may generate an OSD signal so that the 3D object 323 corresponding to the content can be displayed on the display unit 180 and output the OSD signal to the formatter 175. [

The user 321 of the image display apparatus 100 can display the 3D image corresponding to the user of the external communication device through the 3D object 323 corresponding to the display state and contents of the 3D object 322, It is possible to recognize that the content is intended to be transmitted. The 3D object 323 corresponding to the content in the present embodiment is displayed on the display unit 180 plane D3 on which the multi-view image constituting the 3D object 323 is displayed by the user 321 of the image display apparatus 100 As shown in Fig.

The user of the video display device 100 may take a gesture that interacts with the 3D object 322 corresponding to the user of the external communication device as shown in Fig. 9B. The gesture judging unit 140 of the image display apparatus 100 photographs a user and discriminates a user's gesture. In this embodiment, the gesture determining unit 140 can determine that the user's gesture is a gesture corresponding to the content transfer acceptance command.

When the controller 170 determines the user gesture corresponding to the content transfer acceptance command discriminated by the gesture judging unit 140, the control unit 170 judges whether the content to be transferred from the external communication apparatus to the video display apparatus 100 And outputs the 3D image signal constituting the 3D object 324 to the display unit 180. The display unit 180 displays the 3D object 324 shown in FIG. 9B according to the 3D image signal output from the controller 170. The 3D object 324 representing the content appears to be protruding toward the user 321 of the image display device 100 by b at the display unit 180 plane D3.

In this embodiment, the OSD generation unit 174 generates an OSD signal indicating content provided by the external communication device and outputs the generated OSD signal to the formatter 175 when the content transfer acceptance command is input to the video display device 100. [ The OSD generation unit 174 can confirm the content transmitted by the external communication device from the data signal included in the signal transmitted from the external communication device. The OSD generating unit 174 may generate an OSD signal indicating content and output the generated OSD signal to the formatter 175 so that the user of the video display device 100 can recognize the content to be transmitted from the external communication device. In this embodiment, the content transmitted from the external communication device to the video display device 100 is a flower photograph.

9C shows that the display state of the 3D object 324 corresponding to the content is changed according to the transmission state of the content when the content is transmitted from the external communication device to the video display device 100. [ In this embodiment, when the content is transmitted to the video display device 100, the depth of the 3D object 324 corresponding to the content is changed. That is, the depth of the 3D object 324 is changed so as to be located at the position protruding by c toward the user 321 of the image display apparatus 100. The user can recognize the content transmission state by changing the depth of the 3D object 324. [

10 is a diagram for explaining a case where contents stored in the image display apparatus 100 or contents transmitted to the image display apparatus 100 are transmitted to an external apparatus connected to the image display apparatus 100. [

10A, the image display apparatus 100 is mounted on an external device (not shown) so as to appear to protrude from the display unit 180 plane D4 toward the user 331 of the image display apparatus 100 by d 333 corresponding to the content that can be transmitted to the 3D object 332. The user 331 of the video display device 100 may take a gesture interacting with the 3D object 332 corresponding to the content and transmit the content corresponding to the 3D object 332 to the external device 333. [

The gesture judging unit 140 of the image display apparatus 100 can judge that the gesture of the user is a gesture corresponding to the content transfer command. The control unit 170 may transmit the contents corresponding to the 3D object 332 displayed by the display unit 180 to the external device 333 according to the discrimination of the gesture judging unit 140. [ The control unit 170 can change the display state of the 3D object 332 corresponding to the content transmitted to the external device 333 to correspond to the content transmission state.

10B shows that the display state of the 3D object 332 corresponding to the content transmitted by the video display device 100 to the external device 333 changes according to the transmission state of the corresponding content. In the present embodiment, the video display device 100 changes the depth of the 3D object 332 corresponding to the content according to the transmission status of the content. That is, the depth of the 3D object 332 corresponding to the content may be increased so that the amount of content transfer may increase. When the depth of the 3D object 332 increases, the 3D object 332 is displayed so as to appear to be further projected toward the user 331 of the image display apparatus 100. [

In the present embodiment, the 3D object 332 appears to be projected by d in the plane D4 of the display unit 180, and the display state is changed so as to appear to be projected by e. The user can recognize the transmission state of the content corresponding to the 3D object 332 through changing the depth of the 3D object 332. [

In addition, the video display device 100 of the present embodiment can discriminate various user gestures and transmit / receive contents between the video display device 100 and an external communication device or between the video display device 100 and an external device.

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

Meanwhile, the present invention can be embodied as a code readable by a processor in a processor-readable recording medium provided in an 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 readable 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 also a carrier wave such as transmission over the Internet. In addition, the processor readable recording medium may be distributed over networked computer systems so that code readable by the processor in a distributed manner 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 detail may be made therein without departing from the spirit and scope of the present invention.

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

2 is an internal block diagram of a video display device according to an embodiment of the present invention.

3 is an internal block diagram of a control unit of the image display apparatus according to an embodiment of the present invention,

4 is a diagram illustrating a 3D image signal format that can be processed in an image display apparatus according to an exemplary embodiment of the present invention.

5 and 6 are flowcharts showing a flow of a method of controlling a video display device according to an embodiment of the present invention,

FIGS. 7 to 10 are views referred to the description of a method of controlling an image display apparatus according to an embodiment of the present invention.

Description of the Related Art [0002]

100: video display device 110: broadcast signal receiver

120: network interface unit 130: external device input / output unit

140: Gesture discrimination unit 170:

180: display 185: sound output section

Claims (16)

A control method of a video display device capable of communicating with an external communication apparatus, Initiating communication with an external communication device; Displaying a 3D object corresponding to a user of the external communication device; Displaying a 3D object corresponding to a predetermined content; Determining a gesture to be interfaced with the content-corresponding 3D object; And When the determined gesture corresponds to a content transfer command or a content transfer acceptance command, the content is transmitted to the external communication device or the content provided by the external communication device in accordance with the content transfer command or the content transfer acceptance command Comprising: The external communication device user corresponding 3D object display step may include: Processing a video signal included in a signal transmitted from the external communication device to generate a 3D video signal constituting a 3D object corresponding to the user of the external communication device; And And displaying a 3D object based on the generated 3D image signal. delete The method according to claim 1, Further comprising the step of storing information related to the video display device control command corresponding to the determined gesture. delete delete The method according to claim 1, Further comprising changing the display state of the content-corresponding 3D object to correspond to the transmission state of the content. The method according to claim 1, Connecting the video display device to an external device; And And transmitting the content transmitted from the external communication device to the video display device to the external device. 8. The method of claim 7, Further comprising the step of displaying a 3D object corresponding to the content transmitted to the external device. 9. The method of claim 8, Further comprising changing the display state of the content-corresponding 3D object to correspond to the transmission state of the content. A video display device capable of communicating with an external communication device, A network interface unit for communicating with an external communication device; A display unit for displaying a 3D object corresponding to a user of the external communication device and a 3D object corresponding to the predetermined content; A gesture discrimination unit for discriminating a user gesture by interfacing with the content corresponding 3D object among the gestures of the user of the image display apparatus; And When the determined gesture corresponds to a content transfer command or a content transfer acceptance command, the content is transmitted to the external communication device in accordance with the content transfer command or the content transfer acceptance command, And a control unit for controlling the network interface unit to be transmitted,  The control unit generates a 3D image signal constituting the 3D object corresponding to the user of the external communication device based on the image signal included in the external communication device transmission signal received through the network interface unit, And outputs the video signal to the video signal processor. delete 11. The method of claim 10, Wherein the gesture judging unit stores information on a video display device control command corresponding to the gesture of the user of the video display device. delete delete 11. The method of claim 10, Wherein the control unit changes the display state of the 3D object displayed by the display unit to correspond to the transmission state of the content. 11. The method of claim 10, Wherein the network interface unit communicates with an external device connected to the video display device by wire or wirelessly; Wherein the control unit controls the network interface unit to transmit the content transmitted from the external communication device to the video display device to the external device.

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