KR101980643B1 - Display apparatus and control method thereof - Google Patents

Abstract

According to an aspect of the present invention, a display apparatus for displaying an image, a first image processing unit for processing an image signal, a connection unit to which an upgrade apparatus provided to upgrade a display apparatus is connected, and a first application program are executed to execute the first application program. Displaying a first image signal corresponding to the execution of the display unit and receiving a second image signal corresponding to the execution of the second application program executed by the upgrade apparatus from the upgrade apparatus connected through the connection unit. And a first control unit which controls the second image signal to be displayed on the display unit together with the first image signal.

Description

Display Device and Control Method {DISPLAY APPARATUS AND CONTROL METHOD THEREOF}

The present invention relates to a display apparatus and a control method thereof, and more particularly, to a display apparatus and a method of controlling the same, by connecting an external upgrade apparatus to the display apparatus and utilizing the functions of the upgrade apparatus.

The display apparatus is a device that displays an image signal received from an external image source or image data stored therein as an image on a display panel through a series of signal processing processes, and typically includes a TV. In the conventional TV, only the function of outputting the received broadcast signal through the screen was performed, but due to the development of technology and consumer demand, various applications can be utilized through the TV.

Meanwhile, in order to utilize new hardware / software functions through the display device, a new display device must be purchased, which is burdensome for the user. In addition, the physical configuration of the display device, that is, physically replacing the circuit board is not easy in terms of manufacturing and use, and in order to execute new software, correspondingly designed hardware may be required. It is not easy to replace.

In addition, even when an external device is intended to be mounted and utilized on a display device, it is not preferable that the device to be equipped has all the hardware configurations required for the display.

SUMMARY OF THE INVENTION An object of the present invention is to provide a function of displaying an image together from a display apparatus and an upgrade apparatus connected thereto by operating one display apparatus.

In addition, through the communication function of the display device to receive the application program from the external server can be utilized through the upgrade device.

In addition, when an error occurs in the upgrade apparatus, it is possible to perform a normal function of the display apparatus even before error recovery.

According to the present invention, there is provided a display apparatus, comprising: a display unit for displaying an image; A first image processor which processes an image signal; A connection unit to which an upgrade device provided to upgrade the display device is connected; And executing a first application program to display a first image signal corresponding to the execution of the first application on the display unit, and the second application program executed by the upgrade apparatus from the upgrade apparatus connected through the connection unit. When receiving a second video signal corresponding to the execution of the display device, characterized in that it comprises a first control unit for controlling to display the second video signal along with the first video signal to the display unit Can be.

Here, when the upgrade apparatus is connected through the connection unit, the first control unit may transmit data necessary for executing the second application program to the upgrade apparatus.

Here, when the upgrade apparatus is connected through the connection unit, the first control unit may receive data necessary for executing the re-application program from the upgrade apparatus and execute the first program.

The first image processor may be configured to combine the first image signal and the second image signal to be displayed on the display unit.

The upgrade apparatus may further include a second controller configured to execute the second application program, and a second signal processor configured to process a second image signal corresponding to the execution of the second program to be displayed on the display. The second controller may transmit a second image signal processed by the second signal processor to the display apparatus.

Here, the first application and the second application may be the same application program.

Here, the UI generating unit for generating a menu screen for displaying a selection option for the screen combining method of the first image signal and the second image signal; The apparatus may further include a user input unit for inputting the selection option. The screen combining method may include at least one of a picture-in-picture (PIP), a picture-on-picture (POP), and a picture-by-picture (PBP). It may include any one.

The apparatus may further include a communication unit configured to communicate with an external server to receive an application program, wherein the controller is further configured to display any one of a display device or a unique ID of the upgrade apparatus when there is a request for receiving the application program from the connected upgrade apparatus. By transmitting one to the external server through the communication unit, it is possible to request an authentication for receiving the application program and to control the transmission of the received application program to the upgrade.

Here, the controller may check whether the upgrade apparatus stores the second unique ID for identifying the upgrade apparatus, and transmit the second unique ID to the external server through the communication unit.

Here, the control right for the application received by authentication through the second unique ID may depend on the upgrade apparatus.

Herein, the control unit may receive the control right for the application program from the upgrade apparatus and execute the application program.

Here, further comprising a storage unit for storing the first unique ID for identifying the display device; When the upgrade apparatus does not store the second unique ID, the controller may transmit the first unique ID stored in the storage to the external server through the communication unit.

Here, the control right for the application program received through authentication by the first unique ID depends on the control unit, and the upgrade apparatus may receive the control right from the control unit and execute the application program.

Here, the application program received from the external server may be stored in the upgrade apparatus.

The control unit may control the connection unit to monitor an operation state of the upgrade apparatus, and when an error is detected in the operation of the upgrade apparatus as a result of the monitoring, the controller may control the image signal to be processed by the image processor.

The controller may control the connection unit to periodically receive a predetermined signal from the upgrade apparatus, and determine that an error has occurred in the upgrade apparatus if the signal is not received from the upgrade apparatus.

Here, the controller may control the connection unit to periodically transmit a predetermined signal to the upgrade apparatus, and determine that an error has occurred in the upgrade apparatus if a response signal to the transmitted signal is not received.

Here, when the error of the upgrade apparatus is detected, the controller may execute at least one application program for performing a function provided by the upgrade apparatus.

Here, when it is detected that the upgrade apparatus has been recovered from the error, the controller transmits an image signal received from at least one image supply source to the upgrade apparatus and receives the processed image signal from the upgrade apparatus. Can be controlled.

The controller may control the display unit to display a user interface for an error of the upgrade apparatus.

The apparatus may further include a communication unit configured to communicate with a management server, and the control unit may control the communication unit to notify the management server of an error of the upgrade apparatus.

In addition, the object of the present invention, in the control method of the display device, the step of connecting the upgraded device provided to upgrade the display device; Executing a first application program and displaying a first image signal corresponding to the execution of the first application program; Receiving a second video signal corresponding to the execution of a second application program executed by the upgrade apparatus from the connected upgrade apparatus; It may be achieved by a control method of a display apparatus, including displaying the second image signal together with the first image signal.

Here, the method may further include transmitting data necessary for executing the second application program.

Here, the method may further include receiving data necessary for executing the first application program from the connected upgrade apparatus.

Processing the first image signal corresponding to the execution of the first application program; The method may further include combining the first image signal and the second image signal.

The receiving of the second image signal may further include the step of processing the display apparatus to display the second image signal corresponding to the execution of the second application program in the upgrade apparatus.

Here, the first application program and the second application program may be the same application program.

Generating and displaying a menu screen displaying a selection option for a screen combining method of the first video signal and the second video signal; Receiving a user selection and combining and displaying the first image signal and the second image signal in a screen combining method corresponding to the user selection; The screen combining method may include at least one of a picture-in-picture (PIP), a picture-on-picture (POP), and a picture-by-picture (PBP).

Here, the step of receiving a request for receiving an application from the upgraded device connected; Requesting authentication for receiving the application by transmitting one of the unique IDs of the display apparatus or the upgrade apparatus to an external server; And receiving the application program from the external server and storing the application program in the upgrade apparatus.

Wherein the upgrading device further comprises checking whether the upgrade device stores a second unique ID for identifying the upgrade device; When the upgrade apparatus stores the second unique ID, the requesting of the authentication may transmit the second unique ID to the external server.

Here, the control right for the application received by authentication through the second unique ID may depend on the upgrade apparatus.

Here, the display apparatus may receive the control right for the application program from the upgrade apparatus and execute the application program.

Wherein the display device stores a first unique ID for identifying the display device; When the upgrade apparatus does not store the second unique ID, the requesting authentication may transmit the stored first unique ID to the external server.

Here, the control right for the application program received through authentication by the first unique ID depends on the control unit, and the upgrade apparatus may receive the control right from the display device to execute the application program.

Monitoring the operation state of the upgrade apparatus; Processing an image signal by the display apparatus when an error is detected in the operation of the upgrade apparatus as a result of the monitoring; And displaying the processed video signal.

The monitoring may include receiving a predetermined signal periodically from the upgrade apparatus; If the signal is not received from the upgrade apparatus may include determining that an error has occurred in the upgrade apparatus.

The monitoring may include: periodically transmitting a predetermined signal to the upgrade apparatus; Receiving a response signal to the transmitted signal; If the response signal is not received may include determining that an error has occurred in the upgrade apparatus.

The processing of the image signal by the display apparatus may include executing at least one application on the display apparatus to perform a function provided by the upgrade apparatus.

Here, the step of detecting that the upgrade device is recovered from the error; Transmitting an image signal received from an image source to the upgrade apparatus; The method may further include receiving the processed video signal from the upgrade apparatus.

Here, the method may further include displaying a user interface for an error of the upgrade apparatus.

Here, the method may further include notifying the management server of the error of the upgrade apparatus.

1 briefly illustrates a display apparatus and an upgrade apparatus according to the present invention.
2 is a control block diagram of a display apparatus and an upgrade apparatus according to the first embodiment of the present invention.
3 is an example of a display apparatus displaying a plurality of images together.
4 illustrates another form of the display device and the upgrade device according to the first embodiment of the present invention.
5 is a view showing another form of a display apparatus and an upgrade apparatus according to the first embodiment of the present invention.
6 is a flowchart illustrating an image display control operation of the display apparatus of FIG. 2.
7 is a flowchart illustrating an image display control operation of the display apparatus of FIG. 3.
8 is a flowchart illustrating an image display control operation of the display apparatus of FIG. 4.
9 is a control block diagram of a display apparatus according to a second embodiment of the present invention.
10 is a control flowchart of a display apparatus according to a second embodiment of the present invention.
FIG. 11 illustrates a part of the control flowchart of FIG. 10 in detail.
12 is a block diagram showing a configuration of a display system according to a third embodiment of the present invention.
13 is a block diagram showing the configuration of a display apparatus and an upgrade apparatus according to the third embodiment of the present invention.
14 and 15 are exemplary views illustrating a method of upgrading an image processing process of a display apparatus by an upgrade apparatus in the display system of FIG. 13.
16 and 17 illustrate screens displayed on the display unit.
18 is a flowchart illustrating a control method of a display apparatus according to a third embodiment of the present invention.
19 is a flowchart illustrating a control method of the upgrade apparatus according to the third embodiment of the present invention.

Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings so that those skilled in the art may easily implement the present invention. As those skilled in the art would realize, the described embodiments may be modified in various different ways, all without departing from the spirit or scope of the present invention. In order to clearly describe the present invention, parts irrelevant to the description are omitted, and like reference numerals designate like elements throughout the specification.

1 briefly illustrates a display apparatus and an upgrade apparatus according to the present invention.

The display device according to the present invention can process the video signal provided from an external video source (not shown) or the video data stored therein in accordance with a predetermined image processing process and display the video, and from the external server to play games, learning, etc. It can receive and execute various application programs that can be utilized. As shown, the display apparatus may be equipped with an upgrade apparatus to utilize hardware / software functions included in the upgrade apparatus.

Although the display apparatus is described as being implemented as a TV, the spirit of the present invention is not limited to the exemplary implementation of the display apparatus, and various kinds of implementation examples capable of displaying images may be applied in addition to the TV.

The upgrade apparatus is provided to upgrade an existing hardware / software configuration of the connected display apparatus, and may include a memory for storing an application program and a central processing unit (CPU) for executing the application program. The upgrade apparatus may provide a function not supported by the display apparatus. For example, the upgrade apparatus may execute an application that cannot be executed on the display apparatus and display the same on a display unit provided in the display apparatus. In addition, the upgrade apparatus may provide a function for improving an existing operation of the display apparatus. For example, a video signal may be processed by the upgraded configuration, including an upgraded configuration than the hardware / software configuration built into the display apparatus, and thus, the image may be transmitted to the display.

As an example in which the upgrade apparatus is connected to the display apparatus, in FIG. 1, the upgrade apparatus is directly connected through a connector provided at the rear of the display apparatus. However, the upgrade apparatus may be connected by transmitting and receiving signals to each other using known wired / wireless communication. have.

According to the present invention, the display device may be implemented as a smart TV. Smart TVs can receive and display broadcast signals in real time, and have a web browser function, which enables the display of real-time broadcast signals and the search and consumption of various contents through the Internet. to be. Smart TVs also include an open software platform that can provide interactive services to users. Accordingly, the smart TV may provide a user with an application that provides various contents, for example, a predetermined service, through an open software platform. Such applications are applications that can provide various kinds of services, and include, for example, applications that provide services such as SNS, finance, news, weather, maps, music, movies, games, and e-books. When the display device is implemented as a smart TV, the display device includes a first block (not shown) for receiving and processing broadcast signals, video signals, and the like; It may be functionally separated into a second block (not shown) that provides an Internet service function through a web browser and an application through an open software platform.

The upgrade apparatus may be provided to upgrade a function of a second block (not shown) among the separated blocks of the display apparatus. Therefore, when the upgrade apparatus is connected to the display apparatus, the internet service or application providing function may be performed by the display apparatus or the upgrade apparatus.

In the present invention, the display device may execute the first application program to process and display the first image signal generated by the execution of the first application program, and the connected upgrade apparatus may execute the second application program to execute the first application program. The second image signal generated by the execution of the application program may be processed and transmitted to the display apparatus, and the display apparatus may receive the second image signal and display the second image signal together with the first image signal.

Hereinafter, each embodiment of the present invention will be described in detail. First, the first embodiment will be described with reference to FIGS. 2 to 8.

2 is a control block diagram of the display apparatus 100 and the upgrade apparatus 200 according to the first embodiment of the present invention.

As illustrated, the display apparatus 100 may include a first storage unit 110, a first image processing unit 120, a display unit 130, a first connection unit 140, a user input unit 150, and a UI generation unit ( 160 and a first controller 170 for controlling them, and the upgrade apparatus 200 includes a second connector 210, a second image processor 220, and a second controller 230 for controlling them.

The first storage unit 110 stores a plurality of programs that perform a predetermined function. For example, the first storage unit 110 stores an operating system (OS), a web browser, an open software platform, and a plurality of applications selected and downloaded by the user through the open software platform. The first storage unit 110 stores version information and the like of each program along with the various programs described above. The first storage unit 110 may be implemented as a nonvolatile memory such as a flash memory and a hard disk drive. The first storage unit 110 is accessed by the first control unit 170 and read / write / modify / delete / update of data by the first control unit 170. The first storage unit 110 may store data performed by the first control unit 170. As another embodiment, when the upgrade apparatus 200 is connected through the first connection unit 140 to be described later, the first storage unit 110 may be accessed by the upgrade apparatus 200. The data may be read / recorded / modified / deleted / updated by the second control unit 230 of the upgrade apparatus 200.

When the first program of the first storage unit 110 is executed by the first controller 170, the first image processor 120 displays the first image signal corresponding to the execution of the first program. Process to be displayed in. For example, the first image processor 120 may progressively de-multiplex a video signal of each characteristic, decode the video signal of a video signal of an image signal, and deinterlace the video signal of an interlace method. (de-interlacing) to convert in a progressive manner, scaling to adjust the video signal to a preset resolution, noise reduction for improving image quality, detail enhancement, and frame refresh rate At least one of various image processing processes including a frame refresh rate conversion may be performed.

The first image processing unit 120 performs a synthesis process on the second image signal received from the first connection unit 140 by the first control unit 170 and the first image signal, and outputs it to the display unit 130. can do. The synthesis process may be performed according to the screen combination method according to the user selection among the screen combination methods to be described later. The screen combining method may include picture-in-picture (PIP), picture-on-picture (POP), and picture-by-picture (PBP). The first image processor 120 may further include a voice signal processor (not shown) capable of processing a voice signal in addition to the image processing described above. Accordingly, the display apparatus 100 may include the voice signal processor (not shown). It may further include a speaker (not shown) that can output a voice corresponding to the voice signal processed by the).

The display 130 may display a first image signal corresponding to the execution of the first program output from the image processor. In addition, the second image signal corresponding to the execution of the second program may be displayed together with the first image signal from the upgrade apparatus 200 which will be described later. The first image signal and the second image signal may be displayed on the display 130 in any one of picture-picture (PIP), picture-on-picture (POP), and picture-by-picture (PBP). Can be.

The display unit 130 may include a display panel (not shown) and a panel driver (not shown) for driving the display panel. The display panel may be, for example, a liquid crystal, a plasma, a light emitting diode, an organic light-emitting diode, a surface-conduction electron-emitter, The display device may be implemented in various display methods such as carbon nanotubes and nano-crystals.

The first connection unit 140 may be implemented as an interface to which the upgrade apparatus 200 may be connected. The first connection unit 140 may include an interface through which various data signals, video signals, control signals, power, and the like may be transmitted and received between the display apparatus 100 and the upgrade apparatus 200. For example, the first connection unit 140 may include a connection terminal corresponding to a high definition multimedia interface (HDMI) or a component (component) standard for transmission and reception of an image signal. It may include a USB terminal to transmit and receive. In addition, all signals transmitted from the display apparatus 100 to the upgrade apparatus 200 may be encrypted for content security. Of course, the encrypted signal will be processed after decryption in the upgrade apparatus 200.

The user input unit 150 may transmit various preset control commands or unlimited information to the first control unit 170 by a user's manipulation and input. The user input unit 150 may be implemented as a menu key and an input panel installed outside the display apparatus 100, or a remote controller separated from the display apparatus 100. Alternatively, the user input unit 150 may be integrated with the display unit 130. That is, when the display 130 is a touch screen, the user may transmit a preset command to the first controller 170 through an input menu (not shown) displayed on the display 130. According to another embodiment, the user selection input through the user input unit 150 may be transmitted to the upgrade apparatus 200 through the connection unit.

The UI generator 160 generates a menu screen displaying a selection option for a screen combining method of the first image signal and the second image signal under the control of the first controller 170, and displays the same on the display 130. Be sure to The menu screen may include an option for selecting a screen combining method of at least one of Picture-in-Picture (PIP), Picture-on-Picture (POP), and Picture-by-Picture (PBP). .

The first control unit 170 executes at least one program stored in the first storage unit 110. The first controller 170 executes a first program corresponding to the first user selection input through the user input unit 150, and controls the first image processor 120 to correspond to the execution of the first program. One image signal is processed so that the processed first image signal is displayed on the display 130. In addition, the first controller 170 may perform a signal / information / data transmission / reception operation through the first connection unit 140 and a control operation corresponding to a command from the user input unit 150.

The first controller 170 checks whether a user selection input through the user input unit requests execution by a multi-user of a predetermined program, that is, requests execution of the multi-user mode. When the user selection is a request for execution by a multi-user, and the upgrade apparatus 200 is connected to the first connection unit 140, the first control unit 170 stores the second program stored in the first storage unit 110. The data necessary for the execution of the transmission to the upgrade apparatus 200. The data necessary for the execution of the program includes a program stored in the first storage unit 110, version information of the program, and the like. In addition, the execution command of the second program is also transmitted to the upgrade apparatus 200. When the upgrade apparatus 200 receives the data necessary for the execution of the second program and the execution command, the upgrade apparatus 200 executes the second program and outputs a second image signal corresponding to the execution of the second program. The signal is processed to be displayed on the display unit 130 and then transmitted to the display device. When the second image signal is received from the display apparatus 100, the first controller 170 combines the second image signal with the first image signal according to a screen combining method according to a user selection. The image processor 120 is controlled and the combined signal is displayed on the display 130. In this case, the first controller 170 is a master controller, and the second controller 230 of the upgrade apparatus 200 connected to the display apparatus 100 may serve as a slave controller. Accordingly, the first controller 170 may transmit necessary data and commands to the second controller 230 according to the reception of a user selection requesting execution by a multi-user for a predetermined program.

According to another embodiment, the upgrade apparatus 200 may access the first storage unit 110 of the display apparatus 100. If the user input through the user input unit requests execution by multiple users, the first control unit 170 transmits the user selection to the upgrade apparatus 200. In response to the user selection, the first control unit 170 executes the first program of the first storage unit 110. When the upgrade apparatus 200 receives the user selection, the upgrade apparatus 200 accesses the first storage unit 110 according to the user selection, reads and executes a second program, and corresponds to execution of the second program. The second image signal is processed and transmitted to the display apparatus 100. When the second image signal is received from the upgrade apparatus 200, the first controller 170 combines the second image signal with the first image signal according to a screen combining method according to a user selection. The image processor 120 is controlled and the combined signal is displayed on the display 130.

The upgrade apparatus 200 includes a second connector 210, a second image processor 220, and a second controller 230.

The second connector 210 is connected to the first connector 140 to enable communication between the upgrade apparatus 200 and the display apparatus 100. The second connector 210 is provided according to a standard corresponding to the first connector 140 so as to be connected to the first connector 140. Accordingly, the second connector 210 may provide an interface through which various data signals, video signals, control signals, power, and the like may be transmitted and received between the upgrade apparatus 200 and the display apparatus 100 in response to the first connector 140. It may include. For example, the second connection unit 210 may include a connection terminal corresponding to a high definition multimedia interface (HDMI) or a component (component) standard for transmitting / receiving an image signal. It may include a USB terminal to transmit and receive.

The second image processor 220 performs signal processing so that the display unit 130 of the display apparatus 100 can display a second image signal corresponding to the execution of the second program under the control of the second controller 230. can do. The second image processor 220 may perform the same or similar function as the first image processor 120 of the display apparatus 100. In addition, an upgraded image processing process may be performed than the image processing process performed by the first image processing unit 120.

In the second controller 230, the upgrade apparatus 200 is connected to the display apparatus 100 through the second connector 210, and data and / or execution commands necessary for executing the second program from the display apparatus 100 are provided. When receiving the second program, the second program is executed and the second signal processor controls the second image signal corresponding to the execution of the second program so as to perform signal processing on the display 130. In addition, the second controller 230 controls the second connector 210 to transmit the signal processed second image signal to the display apparatus 100.

As another example, the upgrade apparatus 200 may access the first storage unit 110 of the display apparatus 100. When a user input from the display apparatus 100 receives a user selection requesting execution by a multi-user, the first storage unit 110 is accessed to read and execute the second program, and to execute the second program. The second image processor 220 is controlled to process the second image signal corresponding to the execution. In addition, the second connection unit 210 is controlled to transmit the second image signal processed by the second image processor 220 to the display apparatus 100.

The upgrade apparatus 200 may further include a storage unit (not shown). The storage unit may store data received from the display apparatus 100 or store a program execution result as data by the second controller 230. Can be. In the present exemplary embodiment, the first program executed by the display apparatus 100 and the second program executed by the upgrade apparatus 200 may be the same program.

3 is a diagram illustrating an example of a display apparatus 100 that displays a plurality of images together, and will be described with reference to FIG. 3. The first storage unit 110 stores an application corresponding to game 1 capable of executing a multiplayer. When an execution command of the application of the game 1 is input through the user input unit 150, and a command for selecting execution by the multi-user of the application of the game 1 is input, the first controller 170 may be configured as the first storage unit. The data necessary for the execution of the application of the game 1 stored in the 110 and the execution command of the application are transmitted to the upgrade apparatus 200. The first controller 170 executes the application of game 1, and the first image signal corresponding to the execution is processed by the first image processor 120 to be displayed on the display 130. When the upgrade apparatus 200 receives data necessary for executing the application of the game 1 and an execution command of the application from the display apparatus 100, the second controller 230 executes the application of the game 1 using the data. The second image processing unit 220 is controlled to process the second image signal corresponding to the execution so that the display unit 130 can display the second image signal. The second controller 230 controls the second connector 210 to transmit the signal-processed second image signal to the display apparatus 100. When the second image signal is received from the upgrade apparatus 200, the first controller 170 of the display apparatus 100 controls the first image processor 120 to synthesize the first image signal and the second image signal. do. In this case, the second controller 230 controls the UI generator 160 to generate a menu screen displaying a selection option for a combination method of the two image signals, and any one from the user input unit 150 for the menu screen. When a user selection for selecting a selection option is input, the display unit 130 synthesizes the first and second video signals in a screen synthesis method corresponding to the input user selection. In the case of FIG. 3, when a user selection of the PBP method is input, the first image processor 120 synthesizes the first image signal A of FIG. 3 and the second image signal B of FIG. 3 by using the PBP method. To be displayed on the display 130. Since the display apparatus 100 and the upgrade apparatus 200 are communicatively connected through the first connection unit 140 and the second connection unit 210, the same game 1 application is displayed in the display apparatus 100 and the upgrade apparatus 200. When executed in each, it is possible to transmit and receive data according to the execution. Therefore, from the user's point of view, by controlling one device (the display device 100 and the 100), the game 1 application is executed in the multiplayer mode so that the display unit 130 simultaneously displays the execution result. It can enjoy the effect such as playing the game by connecting the network, the user convenience can be increased. In the present embodiment, a case where the program is a game application is taken as an example, but may include any kind of application that can be executed by a multi-user such as an SNS application.

In another embodiment, the first program executed by the display apparatus 100 and the second program executed by the upgrade apparatus 200 may be different programs. The game application and the SNS application are stored in the first storage unit 110, and the first user selection requesting the execution of the game application and the second user selection requesting the execution of the SNS application are received through the user input unit 150. can do. The first user selection and the second user selection may be sequentially input. The first controller 170 executes the game application of the first storage unit 110 according to the first user selection, and displays the first image signal corresponding to the execution of the game application on the display 130. Also, data and execution commands necessary for executing the SNS application are transmitted to the upgrade apparatus 200 for the second user selection. The upgrade apparatus 200 executes the SNS application according to the received data and the command, processes the second image signal corresponding to the execution to be displayed on the display 130, and processes the processed second image signal. To the display device 100 again. The first controller 170 of the display apparatus 100 displays the second image signal on the display 130 together with the first image signal. Since the synthesis process is the same as described in the above embodiment, it is omitted here.

4 is a control block diagram of the display apparatus 100 and the upgrade apparatus 200 according to another embodiment of the first embodiment of the present invention.

Referring to FIG. 4, the display apparatus 100 includes a receiver 180, a first image processor 120, a display 130, a first storage 110, a first connection unit 140, and a user input unit 150. ), The UI generator 160, and the first controller 170 to control them, and the upgrade apparatus 200 includes a second connector 210, a second image processor 220, and a second controller to control them. 230). Since the display apparatus 100 of FIG. 4 performs a function substantially the same as or similar to that of the corresponding components of the display apparatus 100 of FIG. 2 except for the receiver 180, the same description will be omitted. In addition, since the components of the upgrade apparatus 200 of FIG. 4 perform substantially the same / similar functions as the corresponding components of the upgrade apparatus 200 of FIG. 2, the same description will be omitted.

The receiver 180 transmits an image signal received from an external image source (not shown) to the first image processor 120, and the receiver 180 receives a broadcast signal transmitted from a transmitting device (not shown) of a broadcasting station. can do. For example, the receiver 180 may include an antenna (not shown) and / or a tuner (not shown) to receive the broadcast signal. In addition, the receiver 180 may receive an image signal from an external image source (not shown). The receiving unit 180 may have various methods corresponding to the standard of the received image signal or an implementation method of the image source (not shown) and the display apparatus 100. For example, the receiver 180 may receive signals / data according to standards such as High Definition Multimedia Interface (HDMI), USB, and component, and a plurality of connection terminals corresponding to the respective standards (not shown). May include).

The first image processor 120 processes the broadcast signal received by the receiver 180 and outputs the broadcast signal to the display 130. The broadcast signal processing process is the same as or similar to that of the first image processing unit 120 of the display apparatus 100 of FIG. 2, and the same description will be omitted.

The first controller 170 executes any one program of the first storage unit 110 from the user input unit 150 while the broadcast signal processed by the first image processing unit 120 is displayed on the display unit 130. When a user selection requesting the input is input, the first controller 170 transmits data and an execution command for executing the requested program to the upgrade apparatus 200 connected to the first connection unit 140. The second controller 230 of the upgrade apparatus 200 executes the program using the data and the command, and displays an image signal corresponding to the execution of the program on the display 130 of the display apparatus 100. The second image processor 220 is controlled to process the image to be processed. In addition, the second controller 230 controls the second connector 210 to transmit the processed video signal to the display apparatus 100. The first controller 170 of the display apparatus 100 controls the first image processor 120 and the display 130 to display the received image signal together with the broadcast signal. At this time, the first controller 170 controls the UI generator 160 to generate a menu screen including a selection option for the screen combining method of the video signal and the broadcast signal to display on the display 130, The first image processor 120 controls the first image processor 120 to synthesize the video signal and the broadcast signal so as to correspond to any one of the selection options input through the user input unit 150. In the present exemplary embodiment, the first controller 170 is a master controller, and the second controller 230 of the upgrade apparatus 200 connected to the display apparatus 100 may serve as a slave controller. Accordingly, the first controller 170 may transmit necessary data and commands to the second controller 230 according to the reception of a user selection requesting execution by a multi-user for a predetermined program.

5 is a control block diagram of the display apparatus 100 and the upgrade apparatus 200 according to still another embodiment of the first embodiment of the present invention.

Referring to FIG. 5, the display apparatus 100 may include a first image processing unit 120, a display unit 130, a first connection unit 140, a user input unit 150, a UI generating unit 160, and a control unit for controlling them. The first control unit 170, the upgrade apparatus 200 includes a second connection unit 210, a second image processing unit 220, a second storage unit 240 and a second control unit 230 for controlling them. .

Since the components of the display apparatus 100 of FIG. 5 perform substantially the same / similar functions as the corresponding components of the display apparatus 100 of FIG. 2 or 4, the same description will be omitted herein. In addition, the components of the upgrade apparatus 200 of FIG. 5 perform the same functions as those of the corresponding components of the upgrade apparatus 200 of FIG. 2 or 4 except for the second storage unit 240. Will be omitted.

The configuration disclosed in FIG. 5 differs from FIGS. 2 and 4 in that a storage unit for storing a plurality of programs that perform a predetermined function is provided in the upgrade apparatus 200. The second storage unit 240 includes a plurality of programs that perform a predetermined function. Like the first storage unit 110 of FIG. 2, the second storage unit 240 includes an operating system (OS), a web browser, an open software platform, and a plurality of applications selected and downloaded by the user through the open software platform. Save it. The second storage unit 240 stores the version information of each program and the like together with the various programs described above. The second storage unit 240 may be implemented as a nonvolatile memory such as a flash memory and a hard disc drive. The second storage unit 240 is accessed by the second control unit 230 and read / write / modify / delete / update of data by the second control unit 230. The second storage unit 240 may store data performed by the second controller 230.

When a user selects a request for execution of a specific program through the user input unit 150 of the display apparatus 100 and a user selection requesting execution by a multi-user for the requested program is input, the first control unit 170 returns the above-mentioned information. The input user selection is transmitted to the upgrade apparatus 200. When the user's selection is received, the second controller 230 of the upgrade apparatus 200 displays data and an execution command necessary to execute a program stored in the second storage unit 240 corresponding to the user's selection. To send. The first controller 170 of the display apparatus 100 executes the program according to the received data and the execution command, and controls the first image processor 120 to process the first image signal according to the execution of the program. Then, the display 130 is displayed.

In addition, the second controller 230 accesses the second storage unit 240 to execute the program, and controls the second image processor 220 to process the second image signal corresponding to the execution. The second connector 210 is controlled to transmit the processed second image signal to the display apparatus 100.

The first controller 170 of the display apparatus 100 controls the first image processor 120 to display the second image signal together with the first image signal on the display 130. Since the combining process of the two video signals is the same as described above with reference to FIG. 2, the description thereof will be omitted.

In the present embodiment, unlike the embodiment described with reference to FIG. 2, the second controller 230 of the upgrade apparatus 200 connected to the display apparatus 100 is a master controller, and the first controller 170 of the display apparatus 100 is used. May serve as a slave controller. Accordingly, the second controller 230 may transmit necessary data and commands to the first controller 170 in response to receiving a user selection requesting execution by a multi-user for a predetermined program.

6 is a flowchart illustrating a control operation of the display apparatus 100 of FIG. 2.

Referring to FIG. 6, a plurality of programs that perform a predetermined function are stored in the first storage unit 110 of the display apparatus 100 (S101). When a user selection requesting execution of any one of the stored programs is received through the user input unit 150 (S102), the first controller 170 may determine whether the user selection requests multi-user execution. Check (S103). As a result of the checking, if the multi-user execution is not requested, the first image processing unit 120 is executed to execute a first program corresponding to the user selection and process a first image signal corresponding to the execution of the first program. In operation S104, the control unit 1 displays the processed first image signal on the display unit 130.

In step S103, when it is confirmed that the user selection requests multi-user performance, the first controller 170 checks whether the upgrade apparatus 200 is connected to the first connection unit 140 (S105). ). When it is confirmed in step S105 that the upgrade apparatus 200 is connected, the first controller 170 transmits data and execution commands necessary for the execution of the first program to the upgrade apparatus 200 (S106). The upgrade apparatus 200 executes the first program based on the received data and the execution command, and transmits a second image signal corresponding to the execution to the display apparatus 100 (S107). The first control unit 170 accesses the first storage unit 110 to execute the first program (S108), and the first image signal according to the execution from the second image signal received from the upgrade apparatus 200; Together, the first image processor 120 is controlled to be displayed on the display 130 (S109). If it is confirmed in step S105 that the upgrade apparatus 200 is not connected, the process proceeds to step S104.

After the step S104, when a user selection requesting to execute another program is received (S110), the first controller 170 checks whether the upgrade apparatus 200 is connected (S111). As a result of the check, when the upgrade apparatus 200 is connected, data and an execution command for executing the second program corresponding to the user selection are transmitted to the upgrade apparatus 200 (S112). The upgrade apparatus 200 executes the second program based on the received data and the execution command, and transmits a third image signal corresponding to the execution to the display apparatus 100 (S113). The first controller 170 controls the first image processor 120 to synthesize the first image signal and the second image signal, and displays the synthesized image on the display 130 (S114). ).

7 is a flowchart illustrating a control operation of the display apparatus 100 of FIG. 4.

Referring to FIG. 7, when the display apparatus 100 receives a broadcast signal through the receiver 180, the first controller 170 controls the first image processor 120 to process the received broadcast signal. The processed broadcast signal is displayed on the display unit 130 (S201). In addition, a plurality of programs that perform a predetermined function are stored in the first storage unit 110 (S202). When a user selection requesting execution of a predetermined program is received from the user input unit 150 (S203), the first controller 170 checks whether the upgrade apparatus 200 is connected (S204). As a result of the check, when the upgrade apparatus 200 is connected, data and execution commands necessary for the execution of the program corresponding to the user selection are transmitted to the upgrade apparatus 200 (S205). The upgrade apparatus 200 executes the program based on the data and the command, processes the image signal corresponding to the execution, and transmits the image signal to the display apparatus 100 (S206). When the first control unit 170 receives an image signal from the upgrade apparatus 200, the first control unit 170 displays the broadcast signal and the image signal together on the display unit 130 (S207).

8 is a flowchart illustrating a control operation of the display apparatus 100 of FIG. 5.

Referring to FIG. 8, a plurality of programs for performing a predetermined function are stored in the second storage unit 240 of the upgrade apparatus 200 (S301). When the upgrade apparatus 200 is connected to the display apparatus 100 (S302) and a user selection requesting execution of a predetermined program is received through the user input unit 150, the first controller 170 of the display apparatus 100 is received. ) Transmits the user selection to the upgrade apparatus 200 (S303). The second controller 230 of the upgrade apparatus 200 checks whether the user selection requests multi-user performance (S304). If it is determined that the multi-user execution is requested, the upgrade apparatus 200 transmits data and execution commands necessary for the execution of the first program corresponding to the user selection to the display apparatus 100 (S305). The display apparatus 100 executes a first program based on the received data and command, and displays a first image signal corresponding to the execution (S306). The upgrade apparatus 200 executes the first program and transmits a second image signal corresponding to the execution to the display apparatus 100 (S307). The display apparatus 100 synthesizes the first image signal and the received second image signal and displays them together on the display 130 (S308).

If it is determined in step S304 that the user selection does not require multi-user performance, the upgrade apparatus 200 sends the second image signal corresponding to the execution of the first program corresponding to the user selection to the display apparatus 100. In operation S310, the display apparatus 100 displays the second image signal on the display unit 130.

Thereafter, when a user selection for requesting execution of another program is received from the user input unit 150, the display apparatus 100 transmits the selection to the upgrade apparatus 200 (S311). The upgrade apparatus 200 transmits data and execution commands necessary for the execution of the second program to the display apparatus 100 (S312), and the display apparatus 100 is configured to execute the second program based on the data and the command. The display unit 130 processes the corresponding second image signal to be displayed. The display apparatus 100 synthesizes the second image signal and the third image signal and displays them together on the display 130 (S313).

Hereinafter, a second embodiment of the present invention will be described with reference to FIGS. 9 to 11.

As shown in the first embodiment, the display apparatus according to the second embodiment may connect the upgrade apparatus to utilize its functions, and the form in which the upgrade apparatus is connected is preferably as shown in FIG.

9 is a control block diagram of a display apparatus 300 according to the present invention.

As shown in the drawing, the display apparatus 300 includes a display unit 310, a connection unit 320, a communication unit 330, and a control unit 340.

The display 310 displays an image. The display unit 310 may be implemented as a plasma display panel (PDP), a liquid crystal display (LCD), organic light emitting diodes (OLEDs), a flexible display, or the like.

The connection unit 320 is connected to an upgrade apparatus 400 provided to upgrade the display apparatus 300. The connection unit 320 may be implemented as a connector according to a standard such as HDMI (High Definition Multimedia Interface), USB (Universal Serial Bus), Component, etc., and the upgrade apparatus 400 and the display device through the connection unit 320. The 300 may transmit and receive various signals, and may supply power to the upgrade apparatus 400.

The communication unit 330 communicates with the external server 10 by using a known wired or wireless communication, and receives various application programs from the external server 10. In order for the display apparatus 300 to receive an application program from the external server 10, a unique ID is required to determine the application program receiving authority of the display apparatus 300, and the display apparatus 300 sets the unique ID to an external server ( When requesting the transmission of the application program while transmitting to 10), the external server 10 determines the receiving authority through the unique ID to determine whether to transmit the application program. The upgrade apparatus 400 may also receive and execute an application program. When the upgrade apparatus 400 is mounted on the display apparatus 300 even when the upgrade apparatus 400 does not include a communication function, the upgrade unit 400 may communicate with the communication unit 330 of the display apparatus 300. Through the external server 10 can be connected to receive the application program.

The external server 10 stores the information on the device having the right to receive the application together with the application program data, and determines the purchase history and compatibility of the application program for each device through the unique ID.

The controller 340 may control each component of the display apparatus 300, execute an application program, and be implemented as a central processing unit (CPU).

The control unit 340 checks whether the upgrade apparatus 400 is connected through the connection unit 320, and when there is a request for receiving an application program from the connected upgrade apparatus 400, receiving the application program from the external server 10. Ask. As described above, in order to receive the application program, an authentication process through a unique ID for identifying the device receiving the application program is required. When there is a request for receiving the application program from the upgrade apparatus 400, the display apparatus 300 Or by transmitting any one of the unique ID of the upgrade apparatus 400 to the external server 10 through the communication unit 330 to request authentication for reception of the application program.

Hereinafter, a unique ID stored in the display apparatus 300 to identify the display apparatus 300 as a first unique ID, and stored in the upgrade apparatus 400 to provide a unique ID for identifying the upgrade apparatus 400. 2 Unique ID. The controller 340 checks whether the upgrade apparatus 400 stores the second unique ID. According to the verification result, the authentication process for the external server 10 constitutes a separate embodiment, and each embodiment according to whether or not the second unique ID is stored will be described below.

First, a case in which the upgrade apparatus 400 stores the second unique ID will be described.

When the upgrade apparatus 400 stores the second unique ID, the controller 340 of the display apparatus 300 transmits the second unique ID to the external server 10 through the communication unit 330. The external server 10 having received the second unique ID checks whether the upgrade apparatus 400 has the right to receive the application program and transmits the application program to the display apparatus 300. In this case, the display apparatus 300 transmits the application program received through the communication unit 330 to the upgrade apparatus 400, and the application program is stored in a memory provided in the upgrade apparatus 400.

The control right for the application program received and authenticated by the display apparatus 300 through the second unique ID depends on the upgrade apparatus 400. That is, in principle, the application can be executed only by the upgrade apparatus 400, and even after the application program is stored and connected to another display apparatus 300 in addition to the display apparatus 300 at the time of receiving the application program. The application program may be executed by the upgrade apparatus 400. However, even in this case, the controller 340 of the display apparatus 300 may execute the application program by receiving the control right for executing the application program stored in the upgrade apparatus 400 from the upgrade apparatus 400.

Hereinafter, the case where the upgrade apparatus 400 does not store the second unique ID will be described.

The display apparatus 300 may further include a storage 350 that stores a first unique ID for identifying the display apparatus 300. The storage unit 350 may be provided as a mass storage device such as a hard drive disk (HDD), and may store various information including an application program. If the controller 340 determines that the upgrade apparatus 400 does not store the second unique ID when a request for receiving an application program is received from the upgrade apparatus 400, the controller 340 stores the first unique ID stored in the storage 350. By transmitting to the external server 10 through the communication unit 330, the authentication request for receiving the application program. In this case, the application program is stored in the upgrade apparatus 400 that has received the request.

The control right for the application program authenticated and received through the first unique ID depends on the controller 340. Therefore, the upgrade apparatus 400 may execute the application program by receiving the control right for the application program from the controller 340, and the display apparatus other than the display apparatus 300 at the time of the upgrade apparatus 400 receiving the application program. When connected to 300, the upgrade apparatus 400 cannot execute the stored application program.

According to the display apparatus 300 described above, an application program received from the external server 10 through the communication function of the display apparatus 300 may be utilized through the upgrade apparatus 400.

The controller 340 may execute the application program provided in the storage 350 regardless of the upgrade apparatus 400, and the first image and the upgrade apparatus 400 generated by the display apparatus 300 by executing the application program may be executed. The second image generated by executing the application program is formed as a separate layer. The controller 340 may synthesize the first image and the second image based on the preset priority and display the synthesized image on the display 310.

10 is a control flowchart of the display apparatus 300 according to the second embodiment of the present invention.

The upgrade apparatus 400 is connected to the display apparatus 300 (S410). The display apparatus 300 may be implemented as a TV, and the upgrade apparatus 400 is provided to upgrade an existing hardware / software configuration of the display apparatus 300, and executes a memory and an application program for storing the application program. Central Processing Unit (CPU) and the like.

The display apparatus 300 receives a request for receiving an application program from the upgrade apparatus 400 (S430). The display apparatus 300 may communicate with the external server 10 by using a known wired or wireless communication, and may receive various application programs from the external server 10, and the upgrade apparatus 400 may communicate with the display apparatus 300. The function allows you to receive an application program from an external device. In this case, in order to receive the application program from the external server 10, the unique ID is transmitted to the external server 10 for authentication, and the external server 10 determines the receiving authority through the unique ID of the application program. Determine whether to send.

The display apparatus 300 transmits any one of the unique IDs of the display apparatus 300 or the upgrade apparatus 400 to the external server 10, thereby requesting authentication for receiving the application program (S450). If the receiving authority is recognized, the external server 10 transmits the application program to the display apparatus 300 (S470), and the transmitted application program is stored in the upgrade apparatus 400 (S490).

The display apparatus 300 may execute the application stored therein regardless of the upgrade apparatus 400, and the first image and the upgrade apparatus 400 generated by the display apparatus 300 executing the application may execute the application program. The second image generated by the execution is formed as a separate layer. The display apparatus 300 may synthesize and display the first image and the second image based on the preset priority.

FIG. 11 illustrates a part of the control flowchart of FIG. 10 in detail.

When the display apparatus 300 receives a request for receiving an application from the upgrade apparatus 400 (S430), the display apparatus 300 checks whether the upgrade apparatus 400 stores a second unique ID for identifying the upgrade apparatus 400 ( S440), the authentication request for the external server 10 according to the storage of the second unique ID constitutes a separate embodiment.

When the upgrade apparatus 400 stores the second unique ID, the display apparatus 300 transmits the second unique ID to the external server 10 (S451). In this case, the control right for the application received by authentication through the second unique ID depends on the upgrade apparatus 400. That is, in principle, the application can be executed only by the upgrade apparatus 400, and even after the application program is stored and connected to another display apparatus 300 in addition to the display apparatus 300 at the time of receiving the application program. The application program may be executed by the upgrade apparatus 400. However, even in this case, the display apparatus 300 may execute the application program by receiving a control right for executing the application program stored in the upgrade apparatus 400 from the upgrade apparatus 400.

If the upgrade apparatus 400 does not store the second unique ID, the display apparatus 300 transmits the first unique ID for identifying the display apparatus 300 to the external server 10 (S453). In this case, the control right for the application program authenticated and received through the first unique ID depends on the display apparatus 300. Therefore, the upgrade apparatus 400 may execute the application program by receiving the control right for the application program from the display apparatus 300, and display other than the display apparatus 300 at the time of the upgrade apparatus 400 receiving the application program. When connected to the apparatus 300, the upgrade apparatus 400 may not execute the stored application program.

According to the control method of the display apparatus 300 described above, the application program received from the external server 10 through the communication function of the display apparatus 300 may be utilized through the upgrade apparatus 400.

Hereinafter, a third embodiment of the present invention will be described with reference to FIGS. 12 to 19.

12 is a block diagram showing the configuration of the display system 1 according to the third embodiment of the present invention.

As shown in FIG. 12, the display system 1 according to the present exemplary embodiment includes a display apparatus 500 and an upgrade apparatus 600. The display apparatus 500 and the upgrade apparatus 600 are connected to communicate with each other. Here, the upgrade apparatus 600 is connected to the display apparatus 500, that is, an existing device (hereinafter, also referred to as an original device) to serve as an expansion device. The display apparatus 500 and the upgrade apparatus 600 connected to each other transmit and receive image signals such as broadcast signals and control signals including various data and power. The display apparatus 500 processes an image signal provided from an external image source (not shown) according to a preset image processing process to display the image.

In the system 1 of the present embodiment, a description will be given of a case in which the display apparatus 500 is implemented as a TV displaying a broadcast image based on a broadcast signal / broadcast information / broadcast data received from a transmitting device of a broadcast station. However, the spirit of the present invention is not limited to the implementation example of the display apparatus 500. The display apparatus 500 may be implemented with various kinds of implementation examples capable of displaying an image in addition to the TV.

In addition, the display apparatus 500 is not limited to the type of images that can be displayed, for example, the display apparatus 500 may include a video based on signals / data received from various types of image sources (not shown), An image such as a still image, an application, an on-screen display (OSD), and a graphic user interface (GUI) for controlling various operations can be displayed.

The upgrade apparatus 600 is communicatively connected to the display apparatus 500. The upgrade apparatus 600 upgrades the existing hardware / software configuration of the connected display apparatus 500 and processes the video signal by the hardware / software configuration of the upgraded display apparatus 500, thereby improving image quality. Can be displayed.

For example, the upgrade apparatus 600 may be an apparatus for upgrading hardware of a TV, such as an image processing circuit, and may be detachable from the display apparatus 500.

Meanwhile, unlike the case of the present embodiment, the upgrade apparatus 600 may be wirelessly connected to the display apparatus 500. In this case, the upgrade apparatus 600 may receive operating power from a separate external power source or a battery. have. However, in the present embodiment, a case in which the upgrade apparatus 600 is connected to the display apparatus 500 by wire is described.

The display apparatus 500 may process an image signal received from the outside according to a predetermined image processing process and display it as an image.

According to the present embodiment, the upgrade apparatus 600 is connected to the display apparatus 500 so that the hardware / software configuration of the display system 1 performing the image processing process is upgraded. The upgrade apparatus 600 receives and processes an image signal from the display apparatus 500 and transmits the processed image signal to the display apparatus 200. The display apparatus 500 displays an image corresponding to the image signal received from the upgrade apparatus 600. Accordingly, an image with relatively improved image quality may be provided to the user.

FIG. 13 is a block diagram illustrating a configuration of a display apparatus 500 and an upgrade apparatus 600 constituting the display system 1 according to an exemplary embodiment.

As shown in FIG. 13, the display apparatus 500 includes a first connection unit 510 to which at least one image source 20 is connected, and an image received from the image source 20 through the first connection unit 510. A first image processing unit 520 for processing a signal, a display unit 530 for displaying an image signal processed by the first image processing unit 520 as an image, and a user input unit for outputting a preset command according to a user input 540, a first storage unit 550 for storing unlimited data / information, a communication unit 560 for performing wired and wireless communication with the outside, and an operation for controlling operations of various components of the display apparatus 500. One control unit 570 is included.

The first connection unit 510 is an input / output (I / O) device that transmits an image signal received from at least one image source 20 to the first image processing unit 520. Corresponding to the implementation method of the supply source 20 and the display device 500 has a variety of ways. For example, the first connection unit 510 may receive signals / data according to standards such as high definition multimedia interface (HDMI), universal serial bus (USB), component, and the like, and correspond to each standard. It includes a plurality of connection terminals (not shown). Various external devices including the image supply source 20 are connected to each of the connection terminals (not shown), thereby enabling communication via the first connection unit 510.

That is, the external device connected to the first connector 510 may not be limited to the image supply source 20, and the device capable of transmitting / receiving signals / data to and from the display apparatus 500 through the first connector 510 may be used. The upgrade apparatus 600 may be connected to the first connector 510 according to the present embodiment, as it may be connected to the first connector 510.

The first image processor 520 performs various preset image processing processes on the image signal received from the first connector 510. The first image processor 520 outputs an image signal on which the process is performed to the display unit 530 so that the image corresponding to the image signal is displayed on the display unit 530.

The type of the image processing process performed by the first image processor 520 is not limited. For example, de-multiplexing for distributing a predetermined signal into signals for each characteristic may correspond to an image format of an image signal. Decoding, de-interlacing converting interlaced video signals to progressive, scaling to adjust video signals to preset resolutions, and noise reduction to improve image quality (noise reduction), detail enhancement, frame refresh rate conversion, and the like.

The first image processor 520 may include various chipsets (not shown), memory (not shown), electronic components (not shown), and wirings (not shown) for performing the process. It is implemented as an image processing board (not shown) mounted on the.

The display unit 530 displays an image based on the image signal output from the first image processor 520. Implementation of the display unit 530 is not limited, such as liquid crystal, plasma, light-emitting diode, organic light-emitting diode, surface conduction electron gun (surface) It can be implemented by various display methods such as -conduction electron-emitter, carbon nano-tube, and nano-crystal.

The display unit 530 may further include additional components according to its implementation. For example, when the display unit 530 is a liquid crystal system, the display unit 530 drives a liquid crystal display panel (not shown), a backlight unit (not shown) that supplies light thereto, and a panel (not shown). And a panel driving substrate (not shown).

The user input unit 540 transmits various preset control commands or unlimited information to the first control unit 570 by a user's manipulation and input. The user input unit 540 may be implemented as a menu key and an input panel installed outside the display apparatus 500 or a remote controller separated from the display apparatus 500.

The user input unit 540 may be integrated with the display unit 530. That is, when the display unit 530 is a touch screen, the user may transmit a preset command to the first controller 570 through an input menu (not shown) provided in the display unit 530.

The first storage unit 550 stores unlimited data under the control of the first controller 570. The first storage unit 550 may be implemented as a nonvolatile storage medium such as a flash memory and a hard disk drive. The first storage unit 550 is accessed by the first control unit 570, and read / write / modify / delete / update of data by the first control unit 570.

The data stored in the first storage unit 550 includes, for example, an operating system for driving the display apparatus 500, various applications executable on the operating system, image data, additional data, and the like.

The communication unit 560 communicates with an external, for example, management server 30. The communication unit 560 includes a wired / wireless communication module capable of network communication with the outside including the management server 30.

The first controller 570 performs a control operation on various components of the display apparatus 500. For example, the first controller 570 may perform an image processing process processed by the first image processor 520, execute an application that performs graphic processing such as a GUI, and signal / information through the first connector 510. The overall operation of the display apparatus 500 is controlled by performing data transmission / reception operations and corresponding control operations for commands from the user input unit 540.

The display apparatus 500 having such a configuration needs to be upgraded due to various factors including the development of technology as the use time elapses. In the case of requiring an upgrade, for example, when receiving a video signal of a new format that has not been proposed at the manufacturing stage of the display apparatus 500, or in accordance with a trend that requires a high quality image, the display apparatus 500 itself There are various cases in which a video signal having a resolution higher than a supported level is received or a case in which a system load of the display apparatus 500 is to be further reduced.

The upgrade of the display apparatus 500 has aspects of hardware and software, respectively. According to the present exemplary embodiment, the upgrade apparatus 600 provided to upgrade the display apparatus 500 is connected to the first connector 510 to upgrade at least one of the existing hardware configuration and software configuration of the display apparatus 500.

The upgrade apparatus 600 includes a hardware / software configuration corresponding to at least some of the hardware / software resources of the display apparatus 500. These components included in the upgrade apparatus 600 are provided to perform an improved function than at least some of the above-described resources of the display apparatus 500. When the upgrade apparatus 600 is connected to the display apparatus 500, the upgrade apparatus 600 replaces at least some of the existing resources of the display apparatus 500, thereby finally improving the quality of the image displayed on the display apparatus 500.

In this embodiment, when the upgrade apparatus 600 is connected, the upgrade apparatus 600 (expansion device) obtains the control right for the image processing process possessed by the display apparatus 500 (original device). As a result, the upgrade apparatus 600 (expansion device) replaces the resources of the display apparatus 500 (the existing device), and the existing resources of the display apparatus 500, for example, the first image processor 520 are not used. It exists as a reserve resource.

In addition, the existing resources of the display apparatus 500 that have passed the control right of the image processing process exist in the standby state, and the display unit 530 receives the processed image signal from the upgrade apparatus 600 and receives the received image signal. The corresponding image is displayed.

Hereinafter, the configuration of the upgrade apparatus 600 will be described.

The upgrade apparatus 600 may process a process corresponding to at least part of an image processing process of the second connector 610 and the first image processor 520 that are connected to the first connector 510 of the display apparatus 500. The second image processor 620, a second storage unit 650 for storing unlimited data / information, and a second controller 670 for controlling all operations of the upgrade apparatus 600 are included.

The second connector 610 is connected to the first connector 510 to enable communication between the upgrade apparatus 600 and the display apparatus 500. The second connection unit 610 may be connected to at least one or more connection terminals (not shown) of the plurality of connection terminals (not shown) of the first connection unit 510.

For example, the second connector 610 is an HDMI terminal (not shown) to transmit and receive an image signal between the display apparatus 500 and the upgrade apparatus 600 among a plurality of connection terminals (not shown) of the first connector 510. And a USB terminal (not shown) to transmit and receive data and power, respectively. However, this is only one example, and the connection method between the first connector 510 and the second connector 610 may be implemented in various forms in addition to the above-described embodiments.

The second image processor 620 may perform a second process corresponding to the first process with respect to at least some of the first processes performed by the first image processor 520 in the display apparatus 500. The first process and the second process are referred to for convenience in order to distinguish each other, and may also be one unit process or may be a plurality of unit processes. The second process is functionally improved over the first process, which is realized by improvements in hardware such as chipset or software such as algorithms / executable code / programs.

The second image processor 620 replaces the first process according to the control of the first controller 570 or the second controller 670 when the display apparatus 500 and the upgrade apparatus 600 are connected to each other. Perform As described above, when the image processing process is performed, the second process, which is functionally improved over the first process, is performed instead of the first process, and as a result, the overall image processing process can be improved. Detailed embodiments related to this will be described later.

The second storage unit 650 stores unlimited data. The second storage unit 650 is implemented as a nonvolatile storage medium such as a flash memory and a hard disk drive. The second storage unit 650 is accessed by the first control unit 570 or the second control unit 670 and read / write / modify / delete / update of data by them. Meanwhile, the first storage unit 550 may also be accessed by the second control unit 670 as well as the first control unit 570, depending on the implementation manner.

The second controller 670 performs control operations for various components of the upgrade apparatus 600 for performing the overall image processing process. For example, the second controller 670 performs an image processing process processed by the second image processor 620, and transmits / receives signals / information / data through the second connection unit 610, thereby improving the upgrade apparatus ( To control the overall operation of 600).

The second controller 670 and the first controller 570 may be implemented as a central processing unit (CPU). If the second controller 670 can perform an improved function than the first controller 570, the second controller 670 may disable the first controller 570 and replace the first controller 570 to control the operation of the entire display system 1. Alternatively, the second controller 670 may control the operation of the entire display system 1 together with the first controller 570.

The second controller 670 and the first controller 570 may further include a memory such as a graphic processing unit (GPU), a digital signal processor (DSP), and a DDR RAM to assist the CPU.

Hereinafter, a specific embodiment of upgrading the display apparatus 500 by the upgrade apparatus 600 will be described with reference to FIGS. 14 and 15. 14 and 15, the upgrade apparatus 600 operates as a main device and the display apparatus 500 operates as a spare device by mounting the upgrade apparatus 600.

14 is a flowchart illustrating a method of upgrading an image processing process of the display apparatus 500 by the upgrade apparatus 600 in the display system 1 according to the present exemplary embodiment.

As shown in FIG. 14, when the display apparatus 500 receives a predetermined signal from the image source 20, for example, a broadcast signal (711), the display apparatus 500 processes the image processing processes 712, 713 of the preset sequence. 714). The examples of the image processing processes 712, 713, and 714 shown in the drawings only show a few examples to more concisely express an embodiment of the present invention. In fact, all of the image processing processes implemented in the display apparatus 500 are described. It is not shown.

The display apparatus 500 performs demultiplexing to classify the received broadcast signal into a video signal, an audio signal, and additional data (712). The display apparatus 500 performs processing on each signal on which demultiplexing is performed. For example, the display apparatus 500 decodes an image signal into a predetermined image format (713). The display apparatus 500 scales the decoded video signal with a predetermined resolution to display the decoded video signal as an image on the display unit 530 (714), and displays the scaled video signal as an image (715).

In the sequence, the upgrade apparatus 600 may be provided to perform a process 723 corresponding to the decoding process 713 of the display apparatus 500. The decoding process 723, which the upgrade apparatus 600 can perform, is the same in terms of decoding as compared to the decoding process 713 that the display apparatus 500 can perform, while being functionally improved. 723 may be performed to improve the image processing process.

For example, the former 723 may process a video signal having a resolution higher than that of the latter 713, or may process a video signal of a format that cannot be processed by the latter 713, or the latter 713. ) May be applied to the video signal.

As a result, the sequence of the image processing process according to the present embodiment may be decoded by the display apparatus 500 after the demultiplexing step 712 under the control of the first controller 570 or the second controller 670. ), The decoding step 723 of the upgrade apparatus 600 is performed. The scaling step 714 is performed after the decoding step 723 of the upgrade apparatus 600.

According to such a sequence, an image signal and a control signal are transmitted and received between the display apparatus 500 and the upgrade apparatus 600, which are performed under the control of the first controller 570 or the second controller 670.

On the other hand, unlike the case of FIG. 14 in which some processes are replaced in the image processing process, the second image processor 620 of the upgrade apparatus 600 replaces the first image processor 520 of the display apparatus 500. Where possible, this will be described below with reference to FIG. 15. FIG. 15 is a block diagram illustrating a process of transmitting an image signal received by the first connector 510 in the display system 1 according to the present exemplary embodiment.

Referring to FIG. 15, when the upgrade apparatus 600 is not connected to the display apparatus 500, when an image signal is received at the first connection unit 510 (731), it is transmitted to the first image processing unit 520. (732). The first image processor 520 processes and outputs an image signal to the display unit 530 (733), whereby the display unit 530 displays the image signal processed by the first image processor 520 as an image. do.

As shown in FIG. 15, when the upgrade apparatus 600 is connected to the display apparatus 500, after the image signal is received by the first connection unit 510 (731), the first image processing unit 520 is In operation 734, the image is transmitted to the second image processor 620. The second image processor 620 performs an image processing process on the image signal instead of the first image processor 520, and the image signal processed by the second image processor 620 is transmitted to the display apparatus 500. (735).

The video signal is bypassed so as not to be transmitted to the first image processor 520 and is transmitted to the display unit 530 (736), whereby the display unit 530 is processed by the second image processor 620. Display the video signal.

On the other hand, when the display apparatus 500 and the upgrade apparatus 600 are connected, the second controller 670 disables the first controller 570 and operates the first image processor 520 and the second image processor 620. Can be controlled. Alternatively, when the operating system stored in the second storage unit 650 is version-up than the operating system stored in the first storage unit 550, the operating system of the first storage unit 550 is converted into the second storage unit 650. The operating system of the second storage unit 650 may be updated, and the updated operating system may be operated, or the operating system of the second storage unit 650 may be driven instead of the operating system of the first storage unit 550.

According to such a configuration, the upgrade apparatus 600 according to the present embodiment may upgrade the display apparatus 500.

Meanwhile, as shown in the above-described embodiment, when the display apparatus 500 and the upgrade apparatus 600 are connected, the first controller 570 of the display apparatus 500 may upgrade the upgrade apparatus 600 through the first connector 510. The state of the main device is monitored, that is, monitored.

In detail, the first controller 570 may monitor the state of the upgrade apparatus 600 by controlling the first connector 510 to periodically receive a predetermined signal from the upgrade apparatus 600.

To this end, the second controller 670 of the upgrade apparatus 600 periodically transmits a predetermined signal to the display apparatus 500 indicating that the upgrade apparatus 600 is operating normally. The upgrade apparatus 600 according to the present exemplary embodiment may periodically transmit a heat bit signal to the display apparatus 500 through the second connection unit 610.

In some cases, the second controller 670 of the upgrade apparatus 600 may transmit a heat bit signal, which is a response signal to a predetermined signal periodically received from the display apparatus 500, to the display apparatus 500. 610 may be controlled. That is, the first controller 570 of the display apparatus 500 periodically transmits a predetermined signal to the upgrade apparatus 600, and receives the heat bit signal from the upgrade apparatus 600 as a response signal thereto. 510 is controlled.

The first controller 570 monitors the heat bit signal periodically received from the upgrade apparatus 600, and determines that an error has occurred in the upgrade apparatus 600 when the heat bit signal is not received as a result of the monitoring.

If an error occurs in the upgrade apparatus 600, control of the image processing process is transferred to the display apparatus 500. Then, by the connection of the upgrade apparatus 600, the image processing process is performed on the original device remaining as a reserve resource. The first controller 570 performs a preparation operation for performing an image processing process on the display apparatus 500.

In addition to the image processing process, the first controller 570 executes at least one application for performing a function provided by the upgrade apparatus 600. Here, the at least one application includes an application that performs various services (eg, graphic processing such as a GUI) that can be provided by the smart TV.

Specifically, when the first controller 570 detects that an error occurs in the upgrade apparatus 600 (the expansion device or the main device), the first controller 570 does not transmit the image signal received from the image supply source 20 to the upgrade apparatus 600. Instead, the first image processing unit 520 provided in the display apparatus 500 (the original device or the preliminary device) controls the processing. The first controller 570 controls the display 530 to display an image corresponding to the image signal processed by the first image processor 520.

Accordingly, even if an error occurs in the upgrade apparatus 600 (main device), the video signal is normally processed and displayed by the display apparatus 500 (spare device) without interruption. In addition, the display apparatus 500 processes and displays all functions provided by the upgrade apparatus 600, including execution of various applications of the smart TV, as well as the image processing process. Therefore, user inconvenience due to service interruption can be prevented.

Here, the first controller 570 displays the user interface (hereinafter, also referred to as a graphical user interface (GUI) or user interface (UI)) 51 and 52 for an error of the upgrade apparatus 600. ).

16 and 17 illustrate screens displayed on the display unit 530.

As illustrated in FIG. 16, when an error of the upgrade apparatus 600 (the main device) is detected, the first controller 570 indicates that the control right including the image processing process is switched to the display apparatus 500 (the spare device). The UI 51 is displayed on the display unit 530. Accordingly, the user may recognize that an error occurs in the upgrade apparatus 600 while watching the image without interruption.

When it is detected that an error occurs in the upgrade apparatus 600, the first controller 570 controls the communication unit 560 to notify the management server 30 of the error. This allows an administrator to more easily manage the display system 1.

The second controller 670 recovers the error of the upgrade apparatus 600. Here, the first controller 270 may recover the error by resetting or rebooting the upgrade apparatus 600.

When the error of the upgrade apparatus 600 is restored by the reset or reboot, the second controller 670 controls the second connector 610 to periodically transmit the interrupted heat bit signal to the display apparatus 500 again. Here, the heat bit signal may be a response signal to a predetermined signal periodically transmitted from the display apparatus 500 to the upgrade apparatus 600.

When the first controller 570 detects that the heat bit signal is received from the upgrade apparatus 600 through the first connector 510, the first controller 570 determines that an error of the upgrade apparatus 600 has been recovered. The control right of the display apparatus 500 is switched to the upgrade apparatus 600.

Accordingly, the first controller 570 transmits the video signal received from the video supply source 20 to the upgrade apparatus 600, and sends the first connection unit 510 to receive the processed video signal from the upgrade apparatus 600. The control unit 530 controls the display unit 530 to display an image corresponding to the received image signal.

The second controller 670 of the upgrade apparatus 600 receives the image signal from the display apparatus 500 through the second connector 610 and controls the second image processor 620 to process the image signal. The processed image signal is transmitted to the display apparatus 500 through the second connection unit 610. The first image processor 520 of the display apparatus 500 becomes a reserve resource again. In addition, the second control unit 670 executes at least one application including graphic processing such as a GUI and transmits the processed signal to the display apparatus 500 through the second connection unit 610. The second controller 670 controls the second connector 610 to periodically transmit the heat bit signal to the display apparatus 500.

As shown in FIG. 17, the first controller 570 displays a UI 52 for displaying a UI 52 indicating that the error of the upgrade apparatus 600 is restored and control is switched to the upgrade apparatus 600 (the main device). 530 is controlled. Therefore, the user can recognize that the error of the upgrade apparatus 600 is recovered and operates normally.

On the other hand, when the error of the upgrade apparatus 600 is not recovered even by a reset or reboot, the first control unit 570 maintains the control right on the display device 500, the user is not recovered from the error The display unit 530 may be controlled to display a UI for notifying and requesting A / S. In addition, the first controller 570 may perform remote diagnosis and recovery of the upgrade apparatus 600 from the management server 30 through the communication unit 560.

18 is a flowchart illustrating a control method of the display apparatus 500 according to the third embodiment of the present invention.

As shown in FIG. 18, the first control unit 570 of the display apparatus 500 is a state of the upgrade apparatus 600 connected to the first connection unit 510 of the display apparatus 500 to upgrade the hardware / software. Monitor (S602). Here, the first controller 570 may monitor the state of the upgrade apparatus 600 by a heat bit signal periodically received from the upgrade apparatus 600.

By monitoring the step S602, the first controller 570 determines whether an error is detected in the upgrade apparatus 600 (S604). Here, when the heat bit signal is not received from the upgrade apparatus 600, the first controller 570 may determine that an error has occurred in the upgrade apparatus 600.

When it is detected in step S604 that the error occurs in the upgrade apparatus 600, the first controller 570 switches the control right to the display apparatus 500, and the first image to process the image signal received from the image source 20 The processor 520 is controlled (S606). Here, the first controller 570 further executes at least one application for performing a function provided by the upgrade apparatus 600. The display unit 530 displays an image signal processed by the first image processor 520 and a signal processed by various applications as an image.

The first controller 570 controls the display unit 530 to display a user interface (UI) 51 for an error of the upgrade apparatus 600 (S608).

The first controller 570 continuously monitors the state of the upgrade apparatus 600 to determine whether the upgrade apparatus 600 recovers from an error (S610). Here, if the hit bit signal, which was interrupted in step S604, is periodically received again, the first controller 570 may determine that the upgrade apparatus 600 has recovered from an error.

If it is determined in step S610 that the upgrade apparatus 600 has recovered from the error, the first controller 570 switches the control right to the upgrade apparatus 600, and the upgrade apparatus 600 processes the image signal. Various applications are executed (S612). Here, the first control unit 570 transmits the image signal received from the image source 20 to the upgrade apparatus 600, and controls the first connection unit 510 to receive the image signal processed by the upgrade apparatus 600. do. The received image signal is displayed as an image on the display unit 530.

In addition, the first controller 570 controls the display 530 to display a user interface (UI) 52 for error recovery of the upgrade apparatus 600 (S614).

On the other hand, if the upgrade apparatus 600 is not recovered from the error as a result of the determination in step S610, the first control unit 570 may control the communication unit 560 to notify the management server 30. Here, the first control unit 570 may notify the management server 30 when the error is not recovered after the time that the upgrade apparatus 600 can recover the error by resetting or rebooting. have.

19 is a flowchart illustrating a control method of the upgrade apparatus 600 according to the third embodiment of the present invention.

As shown in FIG. 19, the upgrade apparatus 600 is connected to the first connection unit 510 of the display apparatus 500 for upgrading hardware / software, and periodically outputs a predetermined signal, that is, a heat bit signal, to the display apparatus ( 500) (S702). Here, the upgrade apparatus 600 may transmit the heat bit signal to the display apparatus 500 as a response signal to a predetermined signal periodically received from the display apparatus 500.

The second controller 670 determines whether an error occurs in the upgrade apparatus 600 (S704).

If it is determined that an error has occurred in step S704, the heat bit signal transmitted periodically in step S702 is stopped (S706).

If it is determined in step S704 that an error has occurred, the control right of the image processing process is switched to the display apparatus 500, and the display apparatus 500 receives, processes and displays the image signal (S608). Here, the second controller 670 may control the second connector 610 to transmit a command to process the image signal in the display apparatus 500.

The second controller 670 recovers the error of the upgrade apparatus 600 (S710). Here, the second controller 670 may recover the error by resetting or rebooting the upgrade apparatus 600.

The second controller 670 determines whether the upgrade apparatus 600 recovers from an error by resetting or rebooting the device at step S710 (S712).

As a result of the determination in step S712, when the error of the upgrade apparatus 600 is recovered, the second controller 670 periodically transmits the hit bit signal, which has been stopped in step S706, to the display apparatus 500 again. Control (S714).

On the other hand, when the error of the upgrade apparatus 600 is not recovered by a reset or reboot in step S712, the second control unit 670 of the present embodiment is the communication unit 560 (not shown) or provided in the upgrade apparatus 600 or It may be transmitted to the management server 30 through the communication unit 560 of the display apparatus 500, and may perform remote diagnosis and recovery from the management server 30.

As described above, according to the embodiment of the present invention, even if an error occurs in the upgrade apparatus 600, since the display apparatus 500, which is a preliminary resource, performs various processes including image processing without interruption, it may occur due to service interruption due to an error. It can minimize user inconvenience.

In addition, since the spare resource due to the upgrade of the display apparatus 500 is properly utilized, it is possible to continuously perform the service efficiently without adding a separate configuration.

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 may be embodied in other specific forms without changing the technical spirit or essential features of the present invention. It will be understood that. Therefore, it should be understood that the embodiments described above are exemplary in all respects and not restrictive. The scope of the present invention is shown by the following claims rather than the detailed description, and all changes or modifications derived from the meaning and scope of the claims and their equivalents should be construed as being included in the scope of the present invention. do.

Claims (41)

In the display device,
A display unit displaying an image;
A first image processor which processes an image signal;
A connection unit to which an upgrade device provided to upgrade the display device is connected;
A user input unit to receive a user input; And
Executing a first application program to display a first image corresponding to the first image signal generated by the first application program on the display;
When receiving the user input for requesting to execute the multi-user mode while the first application is running, the upgrade apparatus to execute the second application corresponding to the first application, the second application of the second application. Transfer the data necessary for execution to the connected upgrade apparatus,
When receiving the second image signal generated by the second application program executed by the upgrade apparatus from the upgrade apparatus connected through the connection unit, the second image based on the second image signal is transferred to the first image. And a first control unit for controlling the display unit to be displayed on the display unit. delete The method of claim 1,
And the first control unit receives the data necessary for the execution of the first application program from the upgrade apparatus and executes the first application when the upgrade apparatus is connected through the connection unit. The method of claim 1,
The first image processor,
And displaying the display unit by combining the first image signal and the second image signal. The method of claim 4, wherein
The upgrade device,
A second controller which executes the second application program;
A second signal processor configured to process a second image signal corresponding to execution of the second application program to be displayed on the display unit;
And the second controller transmits a second image signal processed by the second signal processor to the display device. The method of claim 5,
And the first application program and the second application program are the same application program. The method of claim 5,
A UI generator configured to generate a menu screen displaying a selection option for a screen combining method of the first image signal and the second image signal;
Further comprising a user input unit for inputting the selection option,
The screen combining method may include at least one of a picture-in-picture (PIP), a picture-on-picture (POP), and a picture-by-picture (PBP). The method of claim 1,
Communication with an external server, further comprising a communication unit for receiving an application program,
The first control unit,
When there is a request for receiving the application program from the connected upgrade apparatus, request for authentication to receive the application program by transmitting one of a display device or a unique ID of the upgrade apparatus to the external server through the communication unit. And transmitting the received application program as the upgrade. The method of claim 8,
The first controller checks whether the upgrade apparatus stores a second unique ID for identifying the upgrade apparatus, and transmits the second unique ID to the external server through the communication unit. Display device. The method of claim 9,
And a control right for the application program authenticated and received through the second unique ID is dependent on the upgrade apparatus. The method of claim 10,
And the first control unit receives control of the application program from the upgrade apparatus and executes the application program. The method of claim 9,
A storage unit for storing a first unique ID for identifying the display apparatus;
And the first control unit transmits the first unique ID stored in the storage unit to the external server through the communication unit when the upgrade apparatus does not store the second unique ID. The method of claim 12,
The control right for the application program received through authentication using the first unique ID depends on the first control unit, and the upgrade apparatus receives the control right from the first control unit and executes the application program. Device. The method of claim 8,
The application program received from the external server is stored in the upgrade apparatus. delete delete delete delete delete delete delete In the control method of the display device,
Connecting an upgrade apparatus provided to upgrade the display apparatus;
Executing a first application program and displaying a first image corresponding to the execution of the first application program;
When receiving the user input for requesting to execute the multi-user mode while the first application is running, the upgrade apparatus to execute the second application corresponding to the first application, the second application of the second application. Transmitting data necessary for execution to the connected upgrade apparatus;
Receiving a second video signal generated by a second application program executed by the upgrade apparatus from the connected upgrade apparatus;
And displaying a second image based on the second image signal together with the first image. delete The method of claim 22,
And receiving data necessary for executing the first application program from the connected upgrade apparatus. The method of claim 22,
Processing a first image signal of a first image corresponding to the execution of the first application program;
And combining the first image signal with the second image signal. The method of claim 25,
The second image signal receiving step,
And processing the display device to display, on the display device, a second image signal corresponding to the execution of the second application program in the upgrade apparatus. The method of claim 26,
And the first application program and the second application program are the same application program. The method of claim 26,
Generating and displaying a menu screen displaying a selection option for a screen combining method of the first video signal and the second video signal;
Receiving a user selection and combining and displaying the first image signal and the second image signal in a screen combining method corresponding to the user selection;
The screen combining method includes at least one of a picture-in-picture (PIP), a picture-on-picture (POP), and a picture-by-picture (PBP). The method of claim 22,
Receiving a request for receiving an application program from the connected upgrade apparatus;
Requesting authentication for receiving the application by transmitting one of the unique IDs of the display apparatus or the upgrade apparatus to an external server; And
And receiving the application program from the external server and storing the application program in the upgrade apparatus. The method of claim 29,
Confirming whether the upgrade apparatus stores a second unique ID for identifying the upgrade apparatus;
And when the upgrade apparatus stores the second unique ID, requesting authentication, transmitting the second unique ID to the external server. The method of claim 30,
And a control right for an application program authenticated and received through the second unique ID is dependent on the upgrade apparatus. The method of claim 31, wherein
And receiving the control right for the application program from the upgrade apparatus in the display device, and executing the application program. The method of claim 30,
The display device stores a first unique ID for identifying the display device;
If the upgrade apparatus does not store the second unique ID, the requesting of the authentication comprises transmitting the stored first unique ID to the external server. The method of claim 33,
The control right for the application program authenticated and received through the first unique ID depends on the display device, and the upgrade apparatus receives the control right from the display device to execute the application program. Control method. delete delete delete delete delete delete delete

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