KR20120002852A - Method for operating an apparatus for displaying image - Google Patents
Method for operating an apparatus for displaying image Download PDFInfo
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- KR20120002852A KR20120002852A KR1020100063566A KR20100063566A KR20120002852A KR 20120002852 A KR20120002852 A KR 20120002852A KR 1020100063566 A KR1020100063566 A KR 1020100063566A KR 20100063566 A KR20100063566 A KR 20100063566A KR 20120002852 A KR20120002852 A KR 20120002852A
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- image
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- user
- video
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N13/00—Stereoscopic video systems; Multi-view video systems; Details thereof
- H04N13/10—Processing, recording or transmission of stereoscopic or multi-view image signals
- H04N13/106—Processing image signals
- H04N13/128—Adjusting depth or disparity
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N13/00—Stereoscopic video systems; Multi-view video systems; Details thereof
- H04N13/30—Image reproducers
- H04N13/332—Displays for viewing with the aid of special glasses or head-mounted displays [HMD]
- H04N13/341—Displays for viewing with the aid of special glasses or head-mounted displays [HMD] using temporal multiplexing
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N13/00—Stereoscopic video systems; Multi-view video systems; Details thereof
- H04N13/30—Image reproducers
- H04N13/356—Image reproducers having separate monoscopic and stereoscopic modes
- H04N13/359—Switching between monoscopic and stereoscopic modes
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N13/00—Stereoscopic video systems; Multi-view video systems; Details thereof
- H04N13/30—Image reproducers
- H04N13/398—Synchronisation thereof; Control thereof
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N2213/00—Details of stereoscopic systems
- H04N2213/005—Aspects relating to the "3D+depth" image format
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N2213/00—Details of stereoscopic systems
- H04N2213/008—Aspects relating to glasses for viewing stereoscopic images
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- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Controls And Circuits For Display Device (AREA)
- Testing, Inspecting, Measuring Of Stereoscopic Televisions And Televisions (AREA)
Abstract
A method of operating an image display apparatus according to an embodiment of the present invention for achieving the above object includes receiving a 3D image signal, receiving identification information of the 3D image viewing apparatus, and is included in the 3D image signal. Generating a driving signal of the 3D image viewing apparatus based on content information and the identification information, and transmitting the driving signal to the 3D image viewing apparatus or displaying an image differently according to the identification information. .
According to the present invention, the 3D image viewing apparatus or the image display apparatus can be controlled according to the user's preference and the viewing grade of the content, thereby providing a customized image for each user.
Description
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 watching a 3D image accurately and easily for each user.
The image display device is a device having a function of displaying an image that a user can watch. The user can watch the broadcast through the image display device. A video display device displays a broadcast selected by a user among broadcast signals transmitted from a broadcast station on a display. Currently, broadcasting is shifting from analog broadcasting to digital broadcasting worldwide.
Digital broadcasting refers to broadcasting for transmitting digital video and audio signals. Digital 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. In addition, unlike analog broadcasting, digital broadcasting is capable of bidirectional services.
Also. Recently, various researches on stereoscopic images have been conducted, and stereoscopic imaging techniques are becoming more and more common and practical in computer graphics as well as in various other environments and technologies. In addition, research has been conducted on the #D video viewing environment optimized for each user and viewing grade.
Accordingly, an object of the present invention is to provide a video display device and a method of operating the 3D image viewing apparatus which can operate a 3D image viewing apparatus according to a user, a viewing grade, or provide a customized 3D image.
According to an aspect of the present invention, there is provided a method of operating an image display apparatus, the method including: receiving a 3D image signal, receiving identification information of the 3D image viewing apparatus, content information included in the 3D image signal; Generating a driving signal of the 3D image viewing apparatus based on the identification information, and transmitting the driving signal to the 3D image viewing apparatus.
According to another aspect of the present invention, there is provided a method of operating an image display device, the method comprising: receiving a 3D image signal, receiving identification information of the 3D image viewing apparatus, and displaying an image differently according to the identification information. Displaying.
According to the present invention, the 3D image viewing apparatus or the image display apparatus can be controlled according to the user's preference and the viewing grade of the content, thereby providing a customized image for each user.
1 is an internal block diagram of an image display apparatus according to an embodiment of the present invention.
FIG. 2 is an internal block diagram of the controller of FIG. 1.
3 is a diagram illustrating an operation of a 3D image viewing apparatus according to a frame sequential format.
4 is a diagram illustrating an example of a 3D video signal format capable of implementing 3D video.
5 is a diagram illustrating various scaling methods of a 3D video signal according to an embodiment of the present invention.
6 is a view showing a state in which the depth of the 3D image or 3D object is variable according to an embodiment of the present invention.
7 is a diagram illustrating a state in which a sense of depth of an image or the like is controlled according to an embodiment of the present invention.
8 and 9 are views illustrating an image display device and a remote control device according to an embodiment of the present invention.
10 is a flowchart illustrating a method of operating an image display apparatus according to an embodiment of the present invention.
11 to 13 are views referred to for describing a method of operating an image display apparatus according to an exemplary embodiment of the present invention of FIG. 10.
14 is a flowchart illustrating a method of operating an image display apparatus according to an embodiment of the present invention.
FIG. 15 is a view referred to for describing a method of operating an image display apparatus according to an exemplary embodiment of the present invention of FIG. 14.
Hereinafter, the present invention will be described in more detail with reference to the drawings.
The suffixes "module" and "unit" for components used in the following description are merely given in consideration of ease of preparation of the present specification, and do not impart any particular meaning or role by themselves. Therefore, the "module" and "unit" may be used interchangeably.
1 to 2 are internal block diagrams of an image display apparatus according to an embodiment of the present invention.
Referring to FIG. 1, the
The
For example, if the selected RF broadcast signal is a digital broadcast signal, it is converted into a digital IF signal (DIF). If the selected RF broadcast signal is an analog broadcast signal, it is converted into an analog baseband image or voice signal (CVBS / SIF). That is, the
Also, the
Meanwhile, the
The
For example, when the digital IF signal output from the
For example, when the digital IF signal output from the
The
On the other hand, the
The stream signal output from the
The external
The external
The A / V input / output unit includes a USB terminal, a CVBS (Composite Video Banking Sync) terminal, a component terminal, an S-video terminal (analog), and a DVI so that video and audio signals of an external device can be input to the
The wireless communication unit can perform short-range wireless communication with other electronic devices. The
In addition, the external
The external
The
The
In addition, the
Meanwhile, the above-described IPTV may mean ADSL-TV, VDSL-TV, FTTH-TV, etc. according to the type of transmission network, and include TV over DSL, Video over DSL, TV overIP (TVIP), and Broadband TV ( BTV) and the like. In addition, IPTV may also mean an Internet TV capable of accessing the Internet, or a full browsing TV.
The
In addition, the
The
1 illustrates an embodiment in which the
The user
For example, the user
In addition, for example, the user
In addition, for example, the user
The
The image signal processed by the
The voice signal processed by the
Although not shown in FIG. 1, the
In addition, the
In addition, the
For example, the
As another example, the
The
In this case, the image displayed on the
Meanwhile, the
Such a 3D object may be processed to have a different depth than the image displayed on the
The
On the other hand, although not shown in the figure, it may be further provided with a channel browsing processing unit for generating a thumbnail image corresponding to the channel signal or the external input signal. The channel browsing processor may receive a stream signal TS output from the
The
The
The
The independent display method may implement a 3D image by the
On the other hand, the additional display method, as an additional display in addition to the
In the embodiment of the present invention, a 3D
The
The
Meanwhile, in order to detect a gesture of a user, as described above, a sensing unit (not shown) including at least one of a touch sensor, a voice sensor, a position sensor, and a motion sensor may be further provided in the
The
The
The
The
On the other hand, the video display device described in the present specification is a TV receiver, a mobile phone, a smart phone (notebook computer), a digital broadcasting terminal, PDA (Personal Digital Assistants), PMP (Portable Multimedia Player), etc. May be included.
Meanwhile, a block diagram of the
FIG. 2 is an internal block diagram of the controller of FIG. 1, and FIG. 3 is a diagram illustrating an operation of a shutter glass according to a frame sequential format among formats of a 3D image.
Referring to the drawings, the
The
The
The
The
For example, when the demultiplexed video signal is an encoded 2D video signal of MPEG-2 standard, it may be decoded by an MPEG-2 decoder.
Also, for example, the demultiplexed 2D video signal is a digital video broadcasting (DMB) method or a video signal of H.264 standard according to DVB-H, or a depth video of MPEC-C part 3 , Multi-view video according to Multi-view Video Coding (MVC) or free-view video according to Free-viewpoint TV (TV), respectively, decoded by H.264 decoder, MPEC-C decoder, MVC decoder or FTV decoder Can be.
Meanwhile, the image signal decoded by the
The
The image signal decoded by the
The format of the 3D video signal may include a side by side format in which the left eye video signal L and the right eye video signal R are arranged left and right, a frame sequential format arranged in time division, Top / Down format arranged up and down, Interlaced format that mixes the left and right eye signals by line, and Checker box that mixes the left and right eye signals by box Format and the like.
The
The
The
The
Meanwhile, in the present specification, a 3D video signal means a 3D object, and examples of such an object include a picture in picture (PIP) image (still image or a video), an EPG indicating broadcast program information, various menus, widgets, There may be an icon, text, an object in the image, a person, a background, a web screen (newspaper, magazine, etc.).
The
3 illustrates an operation relationship between the
Meanwhile, the external
The
The voice processing unit (not shown) in the
For example, if the demultiplexed speech signal is a coded speech signal, it can be decoded. Specifically, when the demultiplexed speech signal is an encoded speech signal of MPEG-2 standard, it may be decoded by an MPEG-2 decoder. In addition, when the demultiplexed speech signal is an encoded speech signal of MPEG 4 Bit Sliced Arithmetic Coding (BSAC) standard according to the terrestrial digital multimedia broadcasting (DMB) scheme, it may be decoded by an MPEG 4 decoder. In addition, when the demultiplexed speech signal is an encoded audio signal of the AAC (Advanced Audio Codec) standard of MPEG 2 according to the satellite DMB scheme or DVB-H, it may be decoded by the AAC decoder. In addition, when the demultiplexed speech signal is a encoded speech signal of the Dolby AC-3 standard, it may be decoded by the AC-3 decoder.
Also, the voice processing unit (not shown) in the
The data processor (not shown) in the
Meanwhile, although FIG. 2 illustrates that the signals from the
Meanwhile, a block diagram of the
In particular, according to an exemplary embodiment, the
4 is a diagram illustrating an example of a 3D video signal format capable of implementing 3D video. The 3D video signal format may be determined according to a method of disposing a left eye image and a right eye image generated to implement a 3D image.
The 3D image may be composed of a multi-view image. The user may view the multi-view image through the left eye and the right eye. The user may feel a three-dimensional effect of the 3D image through the difference of the image detected through the left eye and the right eye. According to an embodiment of the present invention, a multi-view image for implementing a 3D image includes a left eye image that can be recognized by the user through the left eye and a right eye image that can be recognized through the right eye.
As shown in FIG. 4A, a method in which the left eye image and the right eye image are arranged left and right is referred to as a side by side format. As shown in FIG. 4B, a method of disposing the left eye image and the right eye image up and down is referred to as a top / down format. As shown in FIG. 4C, a method of time-divisionally arranging a left eye image and a right eye image is called a frame sequential format. As shown in FIG. 4D, a method of mixing the left eye image and the right eye image for each line is called an interlaced format. As shown in FIG. 4E, a method of mixing the left eye image and the right eye image for each box is called a checker box format.
The image signal included in the signal input to the
5 is a diagram illustrating various scaling methods of a 3D video signal according to an embodiment of the present invention. For adjusting the size or tilt of the 3D object, see FIG. 5. 5 illustrates various ways of scaling of 3D video signals.
As shown in (a) of FIG. 5, the 3D image signal or the
As described above, increasing the slope may increase the length difference between the parallel sides of the trapezoidal shape 416, as shown in FIG. 5 (b), or as shown in FIG. It can mean getting bigger.
In this case, scaling of the 3D video signal may be performed by the
The
In addition, the
The
6 is a view showing a state in which the depth of the 3D image or 3D object is variable according to an embodiment of the present invention.
According to an embodiment of the present invention described above, the 3D image is composed of a multiview image, wherein the multiview image may be illustrated as a left eye image and a right eye image. In this case, FIG. 6 illustrates a state in which a position recognized as an image is formed from a user's point of view is changed by a distance between a left eye image and a right eye image. Referring to FIG. 6, a stereoscopic or perspective view of an image felt by a user according to an interval or parallax between a left eye image and a right eye image will be described.
In FIG. 6, a plurality of images or objects having different depths are illustrated. These objects are referred to as a
That is, the
The
The second object 625 is composed of a second right eye image (indicated by 623 and R2) and a second left eye image (indicated by 621 and L2). According to the present exemplary embodiment, the second right eye image 623 and the second left eye image 621 are displayed at the same position on the
The
The
The
The
That is, according to the description with reference to FIG. 6, the depth of the object composed of the left eye image and the right eye image has a positive value (+) or a negative value (-) according to the left and right display positions of the left eye image and the right eye image. It can be seen that it is determined. As described above, an object having a positive value (+) having a depth is an object that is recognized by the user as if it is positioned to protrude from the
6, the depth of the object, that is, the distance between the point recognized by the user as if the 3D image is located and the
7 is a diagram illustrating a state in which a sense of depth of an image is controlled according to an embodiment of the present invention. Referring to FIG. 7, it can be seen that the depth of the same image or the same 3D object varies depending on the distance between the
The interval between the
In this case, as described with reference to FIG. 6, the depth of the 3D image or the 3D object illustrated in FIG. 7B is greater than the depth of the 3D image or the 3D object illustrated in FIG. 7A. . In each case, when the depth is quantified and expressed as a 'and b', respectively, it can be seen that a '<b' relationship is also established according to a <b. In other words, when the 3D image is projected, the depth of the expression may be increased or decreased as the distance between the
8 and 9 are views illustrating an image display device and a remote control device according to an embodiment of the present invention.
The
The
In the embodiment described with reference to FIGS. 8 and 9, the spatial
In the present embodiment, the spatial
The user may move or rotate the space
In the example described with reference to FIG. 9, when the user moves the spatial
As illustrated in FIGS. 8 and 9, the
For the above-described series of operations or functions of the space
The remote control signal generated through the above process is transmitted to the image display device through the remote control wireless communication unit. More specifically, the remote control signal output through the remote control wireless communication unit is input to the remote control
The remote control information storage unit stores various types of programs and application data necessary for controlling or operating an image display device or a spatial remote controller. For example, when the wireless communication between the image display device and the spatial remote control is performed, the remote control information storage unit stores the used frequency band, so that the remote control information regarding the frequency band can be used for communication of the wall.
In addition, the power supply unit is a module for supplying power required for driving the spatial remote control. According to an example, when the power supply unit outputs a signal for commanding that the remote control unit temporarily stops or resumes the power supply according to the movement of the spatial remote controller detected by the sensing unit, the power supply unit supplies power according to the control signal. By varying t, power can be saved while the spatial remote control is not used or not in operation.
As another example, a predetermined command may be input to the
10 is a flowchart illustrating a method of operating an image display device according to an embodiment of the present invention, and FIGS. 11 to 13 are referred to for describing the method of operation of an image display device according to an embodiment of the present invention. It is a drawing.
According to an exemplary embodiment of the present invention, a method of operating an image display apparatus includes receiving a 3D image signal (S1010), receiving identification information of a 3D image viewing apparatus (S1020), and applying the 3D image signal to the 3D image signal. Generating a driving signal of the 3D image viewing apparatus based on the content information and the identification information included (S1030) and transmitting the driving signal to the 3D image viewing apparatus (S1040).
That is, by receiving the 3D image signal and the identification information of the 3D
The content information may include at least one of audience rating information and depth information of the 3D image.
The audience rating information may be set, for example, by classifying a rating of 5 or more, a rating of 12 or more, a rating of 15 or more, or a rating of 18 or more. The type of viewing grade may be preset in the
Meanwhile, the content information may include depth information of the 3D image, and the image display device may add or subtract the depth of the 3D image.
The identification information may include at least one of an identification name, an identification number, user information, and viewing grade information of the 3D image viewing apparatus. That is, the 3D video viewing device may include a name or number that can be distinguished from other 3D video viewing devices, or, in the case of a 3D video viewing device dedicated to an individual user, may include information about a corresponding user. Alternatively, since the 3D image viewing apparatus is often implemented in the form of glasses and is often divided into at least adult and children, it may be managed by dividing it into at least two or more grades.
Meanwhile, various environment setting values such as viewing grade information may be set for each of the divided 3D image viewing apparatuses, and the identification information may include viewing grade information. In addition, when there is a health singularity, such as a child, a pregnant woman, an elderly person, it may include an environment setting value for limiting viewing of the 3D image or reducing the depth of the 3D image.
The 3D image viewing apparatus may be a shutter glass. In an active method such as a shutter glass type, the left eye glass part and the right eye glass part may be opened or closed based on a driving signal received from the image display apparatus. Accordingly, the left eye glass part and the right eye glass part may be sequentially opened and closed by synchronizing with the 3D image, and in some cases, the left eye glass part and the right eye glass part may be closed or opened.
On the other hand, in the step of generating a drive signal (S1030), the drive signal is a signal for controlling to turn off the power of the 3D image viewing device, or to close the left eye glass and right eye glass included in the 3D image viewing apparatus. You can do
That is, if the user is an elderly person, such as a child or a pregnant woman, or if the 3D image restriction is set based on the identification information of the 3D image viewing device, the 3D image viewing device is turned off so that the user cannot view the 3D image, or the left eye glass part and the right eye You can completely block the viewing of the video by closing all the glass parts.
In addition, as shown in FIG. 11, when a plurality of users individually use the 3D image viewing apparatus, different driving signals may be generated and transmitted for each identified 3D image viewing apparatus. For example, when the displayed image corresponds to an adult or higher viewing grade, the normal driving signal is transmitted to the 3D image viewing apparatus 195A of the adult user, and the left eye glass unit is used as the 3D
On the other hand, the operation method of the image display device according to an embodiment of the present invention may further include the step of registering the identification information. The user may register an identification name or an identification number for each 3D image viewing apparatus, or register 3D image related setting information, such as user personal information such as age and viewing grade information, 3D image availability, and 3D image depth information.
12 illustrates a screen for registering identification information and setting information of the 3D image viewing apparatus. The
Meanwhile, the user may change the setting of the
Meanwhile, the operation method of the image display apparatus according to an embodiment of the present invention may further include displaying at least one of the
14 is a flowchart illustrating a method of operating an image display device according to an embodiment of the present invention, and FIG. 15 is a view referred to for describing the method of operating an image display device according to an embodiment of the present invention. .
According to an exemplary embodiment of the present invention, a method of operating an image display apparatus includes receiving a 3D image signal (S1410), receiving identification information of a 3D image viewing apparatus (S1420), and the identification information according to the identification information. It may include the step of displaying the image differently (S1030).
The difference from the embodiment described with reference to FIGS. 10 to 13 is to adjust and display an image displayed on the image display apparatus according to the identification information of the 3D image viewing apparatus.
On the other hand, the image display step (S1030), it may be characterized in that to display a multi-view image constituting a 3D image on the basis of the 3D image signal, in this case it can be displayed by reducing the depth of the 3D image. .
That is, when a pregnant woman, a minor, or the like, the user sets to reduce the depth of the 3D image, the depth of the
As described with reference to FIG. 9, the depth of the 3D image may be controlled by a method of adjusting the disparity interval between the left eye image and the right eye image.
Alternatively, in the image display step (S1030), the 3D image signal may be converted and displayed as a 2D image.
That is, when a pregnant woman, a minor, or the like watches a content, when the user sets not to watch a 3D video, the content may be displayed as a 2D video. The method of converting and displaying a 3D image into a 2D image may be implemented by various methods such as displaying only a left eye image on a full screen or displaying only a right eye image on a full screen.
According to the present invention, the 3D image viewing apparatus is controlled by comparing the 3D content and the information included in the video signal with the personal setting of the 3D image viewing apparatus set in the 3DTV. In addition, by setting the basic information for each 3D glasses, it is possible to provide a 3D service in accordance with the user information, such as viewing ratings.
According to the present invention, each 3D glasses can be individually set so that each member's screen is not changed or shown by viewing grades or other information so as not to adversely affect children or pregnant women.
In addition, according to the identification information of the 3D image viewing apparatus, the image displayed on the image display apparatus may be converted into a 2D image or the depth of display may be displayed.
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 may 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 devices that store data that can be read by the processor. Examples of the processor-readable recording medium include ROM, RAM, CD-ROM, magnetic tape, floppy disk, optical data storage device, and the like, and may also be implemented in the form of a carrier wave such as transmission over the Internet. . The processor-readable recording medium can also be distributed over network coupled computer systems so that the processor-readable code is stored and executed in a distributed fashion.
In addition, while the preferred embodiments of the present invention have been shown and described above, the present invention is not limited to the specific embodiments described above, but the technical field to which the invention belongs without departing from the spirit of the invention claimed in the claims. Of course, various modifications can be made by those skilled in the art, and these modifications should not be individually understood from the technical spirit or the prospect of the present invention.
100: video display device
170:
180: display
195: 3D video viewing device
200: remote control device
Claims (15)
Receiving identification information of the 3D image viewing apparatus;
Generating a driving signal of the 3D image viewing apparatus based on the content information and the identification information included in the 3D image signal; And,
Transmitting the driving signal to the 3D image viewing apparatus.
And the content information includes at least one of audience rating information and depth information of a 3D image.
And the identification information includes at least one of an identification name, an identification number, user information, and viewing grade information of the 3D image viewing apparatus.
And the 3D image viewing device is a shutter glass.
And the driving signal is a signal for turning off the power of the 3D image viewing device or controlling the left eye glass part and the right eye glass part included in the 3D image viewing device to be closed.
And registering the identification information.
And displaying at least one of the content information and the identification information.
Receiving identification information of the 3D image viewing apparatus; And,
And displaying the image differently according to the identification information.
In the image displaying step, a multi-view image constituting a 3D image is displayed based on the 3D image signal.
In the image displaying step, the depth of the 3D image is reduced and displayed.
In the image displaying step, the 3D image signal is converted and displayed as a 2D image.
And the content information includes at least one of audience rating information and depth information of a 3D image.
And the identification information includes at least one of an identification name, an identification number, user information, and viewing grade information of the 3D image viewing apparatus.
And registering the identification information.
And displaying at least one of the content information and the identification information.
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KR1020100063566A KR20120002852A (en) | 2010-07-01 | 2010-07-01 | Method for operating an apparatus for displaying image |
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KR1020100063566A KR20120002852A (en) | 2010-07-01 | 2010-07-01 | Method for operating an apparatus for displaying image |
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KR1020100063566A KR20120002852A (en) | 2010-07-01 | 2010-07-01 | Method for operating an apparatus for displaying image |
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