KR20100084386A - Digital television and method for setting operating environment of digital television according to each user - Google Patents

Abstract

PURPOSE: A digital television(DTV) and a method for setting an operational environment for each user in the DTV are provided to load the operational environment for a corresponding user when the user is changed. CONSTITUTION: A user registration window is displayed on a first displaying unit in order to set an operational environment for a user(S210). Management information for a user is inputted in the user registration window through a key input(S220). When the input related to environment information is requested, the environment information is inputted(S240). A controller generates icons for the user. The icons are displayed on a second displaying unit(S250).

Description

{Digital television and method for setting operating environment of digital television according to each user}

The present invention relates to a method for setting an operating environment for each user in DTV and DTV, and more particularly, to set an operating environment for each user, and to display a user-specific icon corresponding to the set operating environment for each user on a separate display. And it relates to a user-specific operating environment setting method in the DTV.

Recently, digital televisions (DTVs) capable of outputting high-definition video and high-quality audio have been widely used and commercialized. Moreover, as a kind of DTV, the Internet Protocol Television (IPTV) which can connect to the Internet is expected to spread.

On the other hand, the recent trend of electronic devices is a trend that aims at satisfying the needs of users having different personalities from each other, instead of pursuing only improvements and improvements in performance and design. As a result, production and sales systems have been established in consideration of individual preferences such as customized products and diversification of user options. In addition, the user-oriented interface that can adjust the use environment to the user's preference in the device itself is developing trend.

Currently, DTV using LCD, PDP, etc. provides a function that viewers can set the operating environment of the device, such as viewing environment according to their preferences. However, due to the characteristics of the TV that the environment setting function is not occupied independently by each individual but is occupied and watched by the members who reside in the place where it is provided, such as a home, the environment setting is not made separately for each individual. The environment setting is made uniformly without distinguishing the audience to watch.

However, there are differences in personal preferences among members who share the TV, such as at home.Therefore, there may be a difference in the environment required for the TV. A method that can be set is required.

In addition, in the case of the conventional DTV, there is a problem in that an electronic program guide (EPG) or the like is displayed on a screen for watching a broadcast program, which may interfere with a broadcast program currently being viewed.

Accordingly, an object of the present invention is to provide a method for setting an operating environment for each user in a DTV and a DTV that can set an operating environment for each user.

Another object of the present invention is to provide a method for setting an operating environment for each user in DTV and DTV, which can acquire various additional information without disturbing the broadcast program being viewed.

Technical problems to be achieved by the present invention are not limited to the above-mentioned technical problems, and other technical problems not mentioned above will be clearly understood by those skilled in the art from the following description. Could be.

Operating environment for each user of the DTV according to an embodiment of the present invention for achieving the technical problem includes a first display unit for receiving a broadcast signal and a second display unit physically installed separately from the first display unit In the digital television (DTV), providing a function for receiving management information for each user, and if user-specific management information is input to the provided function, a user-specific icon corresponding to the input user-specific management information is provided. Generating and displaying on the second display unit.

The method may further include providing a function of receiving environment information corresponding to the management information for each user.

The management information for each user may include at least one of a user's name, gender, age, and hobbies.

The user-specific management information may further include password information.

The environment information may include at least one of a preference channel list, an image setting value, an audio setting value, and viewing restriction channel information.

The icon for each user may display at least one of a user's name, a last viewing channel, an image of the user, and a password setting display.

According to another aspect of the present invention, there is provided a method for setting an operating environment for each user of a DTV, comprising: a first display unit receiving a broadcast signal and a second physically installed separately from the first display unit; A digital television (DTV) including a display unit, the method comprising: displaying at least one user icon corresponding to user management information preset in the second display unit; And applying the environmental information corresponding to the step of operating the DTV.

The management information for each user may include at least one of a user's name, gender, age, hobby, and password information.

The step of operating the DTV may be performed after the input of the password information is preceded.

The environment information may include at least one of a preference channel list, an image setting value, an audio setting value, and viewing restriction channel information.

The method may further include displaying additional information corresponding to the selected user-specific icon on the second display unit.

The additional information may include at least one of a channel analyzed through the management information for each user, a channel according to a viewing history of a user corresponding to the selected user icon, a preference channel set as the environment information, and channel information corresponding to the channels. It may include one.

The additional information may be displayed in either text or thumbnail image format.

The method may further include displaying at least one of data broadcasting, text broadcasting, subtitles, advertisements, stock information, weather information, and an instant message window on the second display unit.

Power of the first display unit and the second display unit are independently supplied

DTV according to another embodiment of the present invention for achieving the technical problem display including a memory, a first display unit for receiving a broadcast signal and a second display unit physically installed separately from the first display unit The second display unit provides a function for receiving the management information for each user and the user, and if the management information for each user is input to the provided function, generates an icon for each user corresponding to the input user management information. It includes a control unit displayed on.

DTV according to another embodiment of the present invention for achieving the technical problem is a memory for storing the management information for each user and the management information for each user, a first display unit for receiving a broadcast signal and the A display unit including a second display unit that is physically installed separately from the first display unit, and at least one user icon corresponding to the management information for each user on the second display unit; It includes a control unit for operating the DTV by applying the environmental information corresponding to the icon for each user selected from the icon.

Specific details of other embodiments are included in the detailed description and the drawings. Advantages and features of the present invention and methods for achieving them will be apparent with reference to the embodiments described below in detail with the accompanying drawings.

In the mobile DTV and the DTV setting method according to an embodiment of the present invention described above, viewers using the DTV can set the operating environment of the DTV according to their preferences and needs. If you need to change the operating environment for a specific user, you can easily and easily load the saved configuration values for that user.

In addition, according to the present invention, there is an effect that can increase the satisfaction of the DTV user can utilize the various functions of the DTV without disturbing the viewing of the broadcast program through the DTV.

Hereinafter, a DTV capable of receiving data through a mobile communication network and a control method thereof according to an embodiment of the present invention will be described in detail with reference to the accompanying drawings.

1 is a block diagram of a DTV according to another embodiment of the present invention.

Referring to FIG. 1, the DTV 10 according to an embodiment of the present invention includes a tuner unit 11, a demodulator 12, a demultiplexer 13, and an audio / video decoder 14. ), Display unit 15, PSI / PSIP (Program and System Information / Program and System Information Protocol) database (16), PSI / PSIP decoder (17), Channel Manager (Channel Manager, 18), a channel map 19, an application controller 20, a flash memory 21, and the like.

The tuner unit 11 may receive a digital broadcast signal including a PSI / PSIP table. Meanwhile, the operation of the tuner unit 11 may be controlled by the channel manager 18. Therefore, the tuner unit 11 records the result of the received digital broadcast signal in the channel manager 18. The tuner unit 11 may be equipped with a plurality of tuners may enable multi-channel reception.

The demodulator 12 receives a signal tuned by the tuner 11 and demodulates the signal into a VSB / EVSB (Vestigal Side Band / Enhanced Vestigal Side Band) signal.

The demultiplexer 13 demultiplexes audio, video and PSI / PSIP table data from the transport packets demodulated by the demodulator 12.

In this case, demultiplexing of the PSI / PSIP table data may be controlled by the PSI / PSIP decoder 17, and demultiplexing of audio and video may be controlled by the channel manager 18.

When the demultiplexer 13 sets the PID for the desired table as a condition in the PSI / PSIP decoder 17, the PSI / PSIP table is made of sections of the PSI / PSIP table that satisfy the PID from the transport packets. Transmit to decoder 17. In addition, when the A / V PID of the corresponding virtual channel is set by the channel manager 18 as the condition, the demultiplexer 13 demultiplexes the A / V elementary stream and transmits the demultiplexer to the A / V decoder 14. The A / V decoder 14 decodes the received broadcast data according to a corresponding coding scheme.

The PSI / PSIP decoder 17 parses the PSI / PSIP table section, reads all remaining sections of the actual section data which are not performed by the section filtering of the demultiplexer 13, and then reads the PSI / PSIP table section. Write to database 16.

The channel manager 18 may request the reception of the channel related information table and receive the result with reference to the channel map 19. At this time, the PSI / PSIP decoder 17 demultiplexes the channel related information table and transmits an A / V PID (Packet IDentifier) list to the channel manager 18.

The channel manager 18 may control the A / V decoder 14 by directly controlling the demultiplexer 13 using the received A / V PID.

In addition, the application controller 20 may control a graphical user interface (GUI) for displaying a state of a receiver system on an on screen display (OSD). In addition, the components are controlled, and the overall operation of the DTV 10 is overseen.

The display unit 15 implements audio and video of the broadcast data output from the A / V decoder 14. The display unit 15 includes a first display unit 31 and a second display unit 32. remind

The first display unit 31 may receive and output broadcast data, and retain all display functions of a conventional DTV.

The second display unit 32 may be physically installed separately from the first display unit 31, and may display data broadcasts, text broadcasts, subtitles, advertisements, etc. separated from or separately received from the broadcast data. have. The second display unit may display additional information such as stock information, weather information, and an instant message window. Unlike the first display unit 31, the second display unit 32 may omit an audio function, and the first display unit 31 and the second display unit 32 independently supply power. Can be driven independently. More details on this will be described later.

2 is a flowchart illustrating a method for setting a user-specific operating environment of a DTV according to an embodiment of the present invention. The method for setting a user-specific operating environment of the DTV according to an embodiment of the present invention may be implemented in the DTV 10 shown in FIG. 1. With reference to FIG. 2 and necessary drawings, a method of setting a user-specific operating environment of a DTV according to an embodiment of the present invention, and the operation of the DTV 10 for its implementation will be described in detail.

The controller 20 receives a command signal for applying power of the DTV 10 through a key button input from the remote controller 22 and turns on the power of the DTV 10 [S200]. When the power of the DTV 10 is turned on, the control unit 20 displays a predetermined initial screen from the memory 21 on the first display unit 31 and the second display unit 32. .

The controller 20 displays a user registration window 35 on the display unit 15 for setting an operation environment for each user [S210]. The user-specific management information is input to the displayed user registration window 35 through a key input or the like [S220]. 3 is an example of a screen on which a screen for registering a user is displayed on the display unit. As shown in FIG. 3, the first display unit 31 displays a user registration window 35 and a user input auxiliary window 36 for receiving user-specific management information.

Here, the management information for each user may include at least one of a user's name, gender, age, and hobbies. In addition, the management information for each user may further include password information. The input of the password information is a unique number that can be set by a specific user in a family member. When there is an input of password information in user-specific management information of the specific user, the DTV 10 is entered into an operation environment of the specific user only. It can be driven.

Stock information 33, time information 34, and the like may be displayed on the second display unit 32 that is physically installed separately from the first display unit 31. In FIG. 3, the user registration window 35 receiving user management information for each user is illustrated and described as being displayed on the first display unit 31. However, the present disclosure is not limited thereto, and is displayed on the second display unit 32. User can receive management information for each user. Accordingly, while watching a broadcast program or the like on the first display unit 31, the user-specific management information can be input without being disturbed by the broadcast program.

Meanwhile, as shown in FIG. 3, a user input auxiliary window 36 for assisting in inputting user-specific management information may be displayed to allow a user to recognize an order of key input of the remote controller 22.

After inputting the management information for each user, the controller 20 inquires whether to input environmental information of the specific user [S230], and when receiving a request for inputting the environmental information, inputs the environmental information [ S240]. 4 is an example of a screen on which a screen for registering environmental information is displayed on a display unit. As shown in FIG. 4, an environment setting registration window 38 for registering environment information is displayed on the first display unit 31.

Here, the environment information may include a preference channel list, an hourly channel, viewing restriction channel information, an image setting value, a voice setting value, and the like. The image setting value may include an image mode such as brightness, color density, sharpness or color, and color temperature. The voice setting value may include values related to a sound mode and a voice effect, for example, an equalizer, a treble / base, a spatial effect value, and the like. As described above, the DTV 10 may be driven according to the input user environment information by inputting environment information such as a preference channel list, an hourly channel, viewing restriction channel information, an image setting value, and an audio setting value. .

The controller 20 completes the input of the management information and the environment information for each user, and when the user registration is completed, stores the management information and the environment information for the specific user in the memory 21.

The controller 20 generates a user-specific icon 38 of a specific user corresponding to the input user-specific management information and displays the same on the second display unit 32 [S250]. 5 is an example of a screen in which an icon for each user is displayed on the second display unit. As shown in FIG. 5, an icon for each user 38 for a specific user registered in steps S220 to S240 is displayed on the second display unit 32. When the user-specific icon 38 has a user registration of a plurality of specific users, a plurality of user-specific icons 38 may be generated and displayed on the second display unit 32.

The icon 38 for each user may include a user's name, a last viewing channel, an image of the user, and a password setting display. The user's name and the user's image displayed on the user-specific icon 38 identify a specific user among a plurality of users. In addition, when the password information is input in step S220, a password setting is displayed on the user-specific icon 38, thereby preventing access of a user other than a specific user.

In addition, any one of a plurality of user-specific icons 38 may be selected to drive the DTV 10 according to user-specific management information and environment information corresponding to the selected user-specific icon. In addition, while watching a broadcast program or the like through the first display unit 31, the plurality of user-specific icons 38 displayed on the second display unit 32 are not disturbed. You can easily change the user by changing.

6 is a flowchart illustrating a method of driving a DTV through a user-specific operating environment set in the DTV according to an embodiment of the present invention. The method for setting a user-specific operating environment of the DTV according to an embodiment of the present invention may be implemented in the DTV 10 shown in FIG. 1. Referring to FIG. 6 and necessary drawings, a method of driving a DTV through a user-specific operating environment set in the DTV according to an embodiment of the present invention, and an operation of the DTV 10 for implementation thereof will be described in detail.

The controller 20 receives a command signal for applying power of the DTV 10 through a key button input from the remote controller 22 and turns on the power of the DTV 10 [S300].

When the power of the DTV 10 is turned on, the control unit 20 displays a predetermined initial screen from the memory 21 on the first display unit 31 and the second display unit 32. . In this case, when there is a predetermined user registration in the memory 21, the controller 20 displays an icon for each user 38 on the second display unit 32 [S310]. 7 is an example of a screen on which a user-specific icon 38 is displayed on the display unit. As illustrated in FIG. 7, the control unit 20 displays a plurality of user-specific icons 38 on the second display unit 32. The number of icons 38 for each user displayed on the second display unit 32 corresponds to a preset number of user registrations.

The controller 20 detects the selection of any one user icon among the displayed plurality of user icons 38 [S320]. The selection may be made by inputting a key button from the remote controller 22, and the selected user icon 38 may be displayed to be distinguished from the user-specific icon 38 that is not selected. For example, the selected user-specific icon 38 may be highlighted.

The controller 20 determines whether or not a password is set in the selected user-specific icon 38 [S330]. As a result of the determination in step S330, when the selected user-specific icon 38 has a password setting, the corresponding password is input to the password information input window 39 on the second display 32 [S340]. As a result of the determination in step S330, when there is no password setting in the selected user-specific icon 38 or when there is input of password information in the step S340, management information and environment of the user corresponding to the selected user-specific icon 38 The DTV 10 is driven by reflecting information and the like [S350].

The driving of the DTV 10 may reflect management information and environment information at the time of user registration. For example, the DTV 10 may be driven through an image and an audio of a specific user's taste by reflecting an image setting value, an audio setting value, and the like, among environment information upon user registration.

In addition, additional information based on management information and environment information at the time of user registration may be displayed on the second display unit 32. The additional information may include a channel analyzed through management information for each user, a channel according to a user's viewing history corresponding to the selected user icon, a preference channel set as the environment information, and the like. It may be channel information for each.

Here, the channel analyzed through management information for each user is based on the gender, age, and hobbies of the user at the time of user registration, and the user's viewing tendency through electronic program guide (EPG) information included in the broadcast signal. It may be a broadcast program channel suitable for and preference.

The channel according to the viewing history of the user corresponding to the icon for each selected user is a channel in which statistics are stored by accumulating the viewing frequency during a specific period when viewing the DTV 10 by selecting an icon for a specific user. Can be.

8 to 13 illustrate examples of DTV screens according to embodiments of the present invention. 8 to 13, examples of the DTV screen according to embodiments of the present invention will be described. When any one user icon of the plurality of user icons 38 is selected, a plurality of menus corresponding to the selected user icon are displayed on one side of the user icon.

8 illustrates an example of a screen displaying a preference channel input as the environment information on the second display unit 32 during user registration. As shown in FIG. 8, the selected user-specific icon 38 is displayed on the second display unit 32, and a preferred channel is selected from a plurality of menus displayed on one side of the selected user-specific icon. In this case, the Quick Channel menu among the plurality of menus is displayed to be distinguished from other menus. In addition, the other side of the user-specific icon 38 is displayed on the second display unit 32, the preferred channel (Quick Channel) related information (40).

The quick channel related channel information 40 may display a plurality of channels and channel information of each of the plurality of channels. The Quick Channel related information 40 may be displayed through a text format or a thumbnail image.

When any one of a plurality of channels displayed in the Quick Channel related information 40 is selected through a key button input from the remote controller 22, the selected channel is switched to broadcast corresponding to the switched channel. A program or the like is output to the first display unit 31.

As described above, the first display is displayed by displaying the preferred channel of the specific user corresponding to the icon for each user through the channel information 40 related to the quick channel displayed on the second display unit 32. By watching the program 31 and the like through the unit 31, the channel can be easily searched and switched without being disturbed by the program.

FIG. 9 illustrates an example of a screen displaying channels analyzed through user-specific management information input during user registration on the second display unit 32. As illustrated in FIG. 9, the selected user-specific icon 38 is displayed on the second display unit 32, and a multi-channel is selected from a plurality of menus displayed on one side of the selected user-specific icon. In this case, a multi-channel menu among the plurality of menus is displayed to be distinguished from other menus. In addition, on the other side of the user-specific icon 38, multi-channel related information 41 is displayed on the second display unit 32.

Here, the multi-channel may be a channel analyzed through management information for each user and a channel according to a viewing history of a user corresponding to the selected user-specific icon.

The multi-channel related information 41 may display a plurality of channels and channel information about each of the plurality of channels. The Quick Channel related information 40 may be displayed through a text format or a thumbnail image.

When any one of a plurality of channels displayed on the multi-channel related information 41 is selected through a key button input from the remote controller 22, the selected channel is switched to broadcast corresponding to the switched channel. A program or the like is output to the first display unit 31.

As described above, by displaying the channels reflecting the viewing history or viewing preference of the specific user corresponding to the icon for each user through the multi channel related information 41 displayed on the second display unit 32. In addition, while watching a broadcast program through the first display unit 31, it is possible to easily search and switch channels without being disturbed by viewing the broadcast program.

10 is an example of a screen displaying an instant message window on the second display unit 32. As shown in FIG. 10, the selected user-specific icon 38 is displayed on the second display unit 32, and an instant message service among a plurality of menus displayed on one side of the selected user-specific icon. If is selected, an instant message menu among the plurality of menus is displayed to be distinguished from other menus. In addition, an instant message window 40 is displayed on the second display unit 32 on the other side of the user-specific icon 38. The instant message window 40 may include an image display window 43 displaying an image of the other party and a message input window 44 displaying a message transmitted and received.

As described above, by selecting one user icon among a plurality of user icons, an instant message service may be used as a specific user corresponding to the selected user icon without a separate login procedure. In addition, since the instant message window 40 is located on the second display unit 32, the instant message service can be used without being disturbed by viewing of a broadcast program output from the first display unit 31. have.

11 and 12 show examples of screens displaying additional information such as captions on the second display unit. As illustrated in FIG. 11, when the selected user-specific icon 38 is displayed on the second display unit 32, and caption is selected from a plurality of menus displayed on one side of the selected user-specific icon, The caption menu of the plurality of menus is displayed to be distinguished from other menus. In addition, the caption data 45 is displayed on the second display unit 32 on the other side of the user-specific icon 38. The caption data may be data separated from the broadcast data or separately received. Although not shown in FIG. 11, in addition to the caption data, the second display unit 32 may display data such as data broadcast, text broadcast, and advertisement.

As described above, data such as subtitles, data broadcasting, text broadcasting, advertisements, etc. are displayed on the second display unit 32, thereby adding various kinds of images such as broadcast programs output through the first display unit 31. There is an advantage that you can watch without disturbing information.

12 is an example of a screen displaying a volume control window on the second display unit. As shown in FIG. 12, the volume control window 46 may be displayed on the second display unit 32. Accordingly, while watching a broadcast program through the first display unit 31 and adjusting the volume through the volume control window 46 displayed on the second display unit 32, viewing of the broadcast program can be achieved. It may not be disturbed.

13 is an example of a screen displayed on the second display unit when the first display unit is powered off. As shown in FIG. 13, the first display unit 31 and the second display unit 32 may be independently powered and may be driven independently. Therefore, even when the power of the first display unit 31 is turned off, the stock information 33 and the time information 34 may be displayed on the second display unit 32. In addition, weather information and advertisements may be displayed.

The method for setting a user-specific operating environment of the DTV according to the present invention described above may be provided by recording on a computer-readable recording medium as a program for executing on a computer. The user-specific operating environment setting method of the DTV according to the present invention can be executed through software. When implemented in software, the constituent means of the present invention are code segments that perform the necessary work. The program or code segments may be stored on a processor readable medium or transmitted by a computer data signal coupled with a carrier on a transmission medium or network. Computer-readable recording media include all kinds of recording devices that store data that can be read by a computer system. Examples of the computer-readable recording device include ROM, RAM, CD-ROM, DVD ± ROM, DVD-RAM, magnetic tape, floppy disk, hard disk, optical data storage device, and the like. The computer-readable recording medium may also be distributed to networked computer devices so that computer readable code can be stored and executed in a distributed manner.

Although the embodiments of the present invention have been described above with reference to the accompanying drawings, those skilled in the art to which the present invention pertains can understand that the present invention can be implemented in other specific forms without changing the technical spirit or essential features. will be. Therefore, the above-described embodiments are to be understood as illustrative and not restrictive in all respects, and the scope of the present invention is indicated by the appended claims rather than the detailed description, and the meaning and scope of the claims and All changes or modifications derived from the equivalent concept should be interpreted as being included in the scope of the present invention.

1 is a block diagram of a DTV according to another embodiment of the present invention.

2 is a flowchart illustrating a method for setting a user-specific operating environment of a DTV according to an embodiment of the present invention.

3 is an example of a screen on which a screen for registering a user is displayed on the display unit.

4 is an example of a screen on which a screen for registering environmental information is displayed on a display unit.

5 is an example of a screen in which an icon for each user is displayed on the second display unit.

6 is a flowchart illustrating a method of driving a DTV through a user-specific operating environment set in the DTV according to an embodiment of the present invention.

7 is an example of a screen on which a user-specific icon 38 is displayed on the display unit.

8 to 13 illustrate examples of DTV screens according to embodiments of the present invention.

Claims (31)

In the digital television (DTV) comprising a first display unit for receiving a broadcast signal and a second display unit physically installed separately from the first display unit, Providing a function for receiving user-specific management information; And When the user-specific management information is input to the provided function, generating a user-specific icon corresponding to the input user-specific management information, and displaying on the second display unit, the user-specific operating environment setting method of the DTV . The method of claim 1, And providing a function of receiving environmental information corresponding to the management information for each user. The method of claim 1, The user-specific management information is a method of setting a user-specific operating environment of the DTV including at least one of a user's name, gender, age and hobbies.  The method of claim 3, The user-specific management information is a user-specific operating environment setting method of the DTV further comprises password information. The method of claim 2, The environment information includes at least one of a preference channel list, an image setting value, an audio setting value, and viewing restriction channel information. The method of claim 1, The user-specific icon is a method of setting a user-specific operating environment for a DTV, characterized in that at least one of the user's name, the last viewing channel, the user's image and password setting display. In the digital television (DTV) comprising a first display unit for receiving a broadcast signal and a second display unit physically installed separately from the first display unit, Displaying at least one icon for each user corresponding to preset management information for each user on the second display unit; And operating the DTV by applying environment information corresponding to a selected user icon among the at least one user icon. The method of claim 7, wherein The management information for each user includes a user's name, gender, age, hobby and password information of at least any one of the operating environment setting method of the DTV. 9. The method of claim 8, wherein operating the DTV is Method for setting a user-specific operating environment of the DTV, characterized in that after the input of the password information is made. The method of claim 8, The environment information includes at least one of a preference channel list, an image setting value, an audio setting value, and viewing restriction channel information. The method of claim 8, And displaying additional information corresponding to the selected user-specific icon on the second display unit. The method of claim 11, wherein the additional information And at least one of a channel analyzed through the management information for each user, a channel according to a viewing history of a user corresponding to the selected user icon, a preference channel set as the environment information, and channel information corresponding to the channels. User-specific operating environment setting method of the DTV. The method of claim 11, The additional information is a user-specific operating environment setting method of the DTV, characterized in that displayed in any one of the text or thumbnail image format. The method of claim 7, wherein And displaying at least one of data broadcasting, text broadcasting, caption, advertisement, stock information, weather information, and instant message window on the second display unit. The method of claim 7, wherein Method for setting a user-specific operating environment of the DTV, characterized in that the power supply of the first display unit and the second display unit is independently supplied. Memory; A display unit including a first display unit for receiving a broadcast signal and a second display unit physically installed separately from the first display unit; And Provides a function to receive the user-specific management information, if the user-specific management information is input to the provided function, generates a user icon corresponding to the input user-specific management information to display on the second display unit DTV comprising a control unit to. The method of claim 16, wherein the control unit DTV, characterized in that to provide a function to receive the environmental information corresponding to the management information for each user. The DTV of claim 16, wherein the controller stores the management information for each user and the environment information in the memory. The method of claim 16, The management information for each user includes at least one of a user's name, gender, age, hobby, and password information. The method of claim 17, The environment information includes at least one of a preference channel list, an image setting value, an audio setting value, and viewing restriction channel information. The method of claim 16, wherein the control unit DTV for displaying at least one of the user's name, the last viewing channel, the user's image and password setting display on the user-specific icon. A memory for storing management information for each user and environment information corresponding to the management information for each user; A display unit including a first display unit for receiving a broadcast signal and a second display unit physically installed separately from the first display unit; And A controller configured to display at least one icon for each user corresponding to the management information for each user on the second display unit, and operate the DTV by applying environment information corresponding to a user icon selected from the at least one user icon; DTV comprising a. The method of claim 22, The user-specific management information for each user includes at least one of a user's name, gender, age, hobby, and password information. The method of claim 23, wherein the control unit After the input of the password information, the DTV to operate the DTV by applying the environment information corresponding to the icon for each selected user. 24. The method of claim 23, The environment information includes at least one of a preference channel list, an image setting value, an audio setting value, and viewing restriction channel information. The method of claim 23, wherein the control unit And displaying additional information corresponding to the selected user-specific icon on the second display unit. The method of claim 26, wherein the additional information And at least one of a channel analyzed through the management information for each user, a channel according to a viewing history of a user corresponding to the selected user icon, a preference channel set as the environment information, and channel information corresponding to the channels. DTV characterized in that. 27. The DTV of claim 26, wherein the additional information is displayed in one of a text and a thumbnail image format. The method of claim 22, wherein the control unit And displaying at least one of data broadcasting, text broadcasting, caption, advertisement, stock information, weather information, and instant message window on the second display unit. The method of claim 22, wherein the control unit DTV, characterized in that for supplying power independently of the first display unit and the second display unit. The method of claim 16 or 22, The second display unit is a DTV, characterized in that located on the lower end of the first display unit.

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