KR20150098060A - Video display device and operating method thereof - Google Patents

Video display device and operating method thereof Download PDF

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Publication number
KR20150098060A
KR20150098060A KR1020140019139A KR20140019139A KR20150098060A KR 20150098060 A KR20150098060 A KR 20150098060A KR 1020140019139 A KR1020140019139 A KR 1020140019139A KR 20140019139 A KR20140019139 A KR 20140019139A KR 20150098060 A KR20150098060 A KR 20150098060A
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KR
South Korea
Prior art keywords
application
key
event
key focus
focus
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KR1020140019139A
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Korean (ko)
Inventor
박지호
Original Assignee
엘지전자 주식회사
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Priority to KR1020140019139A priority Critical patent/KR20150098060A/en
Publication of KR20150098060A publication Critical patent/KR20150098060A/en

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    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/048—Interaction techniques based on graphical user interfaces [GUI]
    • G06F3/0484—Interaction techniques based on graphical user interfaces [GUI] for the control of specific functions or operations, e.g. selecting or manipulating an object, an image or a displayed text element, setting a parameter value or selecting a range
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/47—End-user applications
    • H04N21/472—End-user interface for requesting content, additional data or services; End-user interface for interacting with content, e.g. for content reservation or setting reminders, for requesting event notification, for manipulating displayed content
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/47—End-user applications
    • H04N21/478—Supplemental services, e.g. displaying phone caller identification, shopping application

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • General Engineering & Computer Science (AREA)
  • Human Computer Interaction (AREA)
  • Theoretical Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Databases & Information Systems (AREA)
  • Controls And Circuits For Display Device (AREA)

Abstract

The present invention provides a video display device and an operating method capable of executing a plurality of different applications at the same time and operating a key focus between executed applications by moving mutually. The operating method of the video display device according to an embodiment of the present invention includes the steps of: executing a first application; registering an event relates to a key focus in the executed first application; executing a second application on the first application; delivering the key focus to the executed second application; ending the key focus of the second application when a preset event is occurred in the second application; delivering the occurrence of the event which relates to the key focus corresponding to the key focus ending, to the first application; and delivering the key focus from the second application to the first application according the occurrence of the event.

Description

TECHNICAL FIELD [0001] The present invention relates to a video display device and an operation method thereof.

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an image display apparatus and an operation method thereof, and more particularly, to an image display apparatus and an operation method thereof that can move a key focus between applications in an image in which different kinds of applications are simultaneously executed.

In recent years, digital TV services using wired or wireless communication networks have become popular. The digital TV service can provide various services that can not be provided by the existing analog broadcasting service.

For example, in the case of IPTV (Internet Protocol Television) service, which is one kind of digital TV service, it provides a bidirectionality allowing the user to actively select the type of viewing program, viewing time, and the like. The IPTV service may provide various additional services such as Internet search, home shopping, online game, etc. based on the bidirectionality.

On the other hand, in order for each of the hardware of the digital TV and software, which is a variety of application programs, to operate together, an operating system is required, and such an operating system is a middleware. In data broadcasting, middleware is software installed in a digital TV or set-top box, commands the hardware according to a broadcasting signal inputted by a user or an input of a user, and displays an application program on a screen.

2. Description of the Related Art [0002] In recent years, various kinds of applications have appeared with various middleware installed in electronic products, and interaction and operation between different kinds of applications have been performed.

Particularly, in the case of data broadcasting, which is an interactive service based on TV, different applications are simultaneously supported, so that each application can be simultaneously executed on one screen of a TV.

However, even if each different application runs simultaneously on one screen of the TV, the applications that are executed are different applications, so that each application can not use the key focus simultaneously. In addition, since a plurality of applications executed are different applications, it is difficult to implement an operation of exchanging key focus among a plurality of executed applications. Thus, there is a problem in that it is impossible for the user of the TV to manipulate the key focus of the TV screen on which a plurality of different applications are executed to mutually move the respective applications.

Accordingly, even if a plurality of different applications are simultaneously executed in a TV-based interactive service, there is a problem that it is difficult to substantially utilize a plurality of executed applications.

It is an object of the present invention to provide an image display device and an operation method thereof that can execute a plurality of different applications simultaneously on one screen and move the key focus among the executed applications.

A method of operating an image display device according to an embodiment of the present invention includes: executing a first application; Registering an event for key focus in a first application executed; Executing a second application on the first application; Transmitting key focus to the second application executed; Terminating the key focus of the second application when a predetermined event occurs in the second application; Transmitting an event occurrence to the first application in response to the key focus termination; And transferring the key focus from the second application to the first application in accordance with the occurrence of the event.

An image display apparatus according to an embodiment of the present invention includes a storage unit for storing a first application and a second application; And executing the second application on the first application, registering an event for key focus in the first application executed, and terminating the key focus of the second application when a preset event occurs in the second application And a control unit for transferring the key focus from the second application to the first application by transmitting an event occurrence to the first application in response to the end of the key focus.

According to various embodiments of the present invention, the present invention can move key focus between different concurrently running applications, thereby realizing various driving operations in a plurality of application operations.

1 is a block diagram illustrating a configuration of a video display device according to an embodiment of the present invention.
2 illustrates a plurality of middleware and applications operating on an operating system of an image display device according to an exemplary embodiment of the present invention.
3 illustrates a Java application, an HTML application, a Java middleware 335, and an HTML middleware operating on an operating system of an image display device according to an exemplary embodiment of the present invention.
4 illustrates interoperability between a plurality of applications in accordance with an embodiment of the present invention.
5 is a flowchart illustrating an operation method of an image display apparatus according to an exemplary embodiment of the present invention.
6 shows a display according to the execution of a plurality of applications in accordance with an embodiment of the present invention.
FIGS. 7 and 8 illustrate positions of key focuses according to an embodiment of the present invention.
9 and 10 are ladder diagrams of a method for moving key focus among a plurality of applications according to an embodiment of the present invention.

Hereinafter, embodiments related to the present invention will be described in detail with reference to the drawings. The suffix "module" and " part "for the components used in the following description are given or mixed in consideration of ease of specification, and do not have their own meaning or role.

Hereinafter, a screen display control method according to an embodiment of the present invention and an image display device using the same will be described in detail with reference to the accompanying drawings.

The video display device according to the embodiment of the present invention is an intelligent video display device that adds a computer support function to a broadcast reception function, for example, and is equipped with an internet function while being faithful to a broadcast reception function, It is more convenient to use interface such as touch screen or space remote control. Also, it can be connected to the Internet and a computer by the support of a wired or wireless Internet function, and can perform functions such as e-mail, web browsing, banking or game. A standardized general-purpose OS can be used for these various functions.

Therefore, the video display device described in the present invention can freely add or delete various applications, for example, on a general-purpose OS kernel, so that various user-friendly functions can be performed. More specifically, the video display device may be, for example, a network TV, an HBBTV, a smart TV, an LED TV, an OLED TV, or the like, and may be applicable to a smartphone in some cases.

1 is a block diagram illustrating a configuration of a video display device according to an embodiment of the present invention.

1, the video display device 100 includes a broadcast receiving unit 130, an external device interface unit 135, a storage unit 140, a user input interface unit 150, a control unit 170, a display unit 180 An audio output unit 185, and a power supply unit 190. The broadcast receiver 130 may include a tuner 131, a demodulator 132, and a network interface 133.

The external device interface unit 135 may receive an application or application list in an adjacent external device and may transmit the received application or application list to the control unit 170 or the storage unit 140.

The network interface unit 133 may provide an interface for connecting the video display device 100 to a wired / wireless network including the Internet network. The network interface unit 133 can transmit or receive data to another user or another electronic device via the network connected thereto or another network linked to the connected network.

Further, it is possible to transmit some content data stored in the video display device 100 to another user registered in advance in the video display device 100 or a selected user or selected one of the other electronic devices.

The network interface unit 133 can access a predetermined web page through the connected network or another network linked to the connected network. That is, it is possible to access a predetermined web page through a network and transmit or receive data with the server.

The network interface unit 133 may receive content or data provided by the content provider or the network operator. That is, the network interface unit 133 can receive contents such as a movie, an advertisement, a game, a VOD, a broadcast signal, and related information provided from a content provider or a network provider through a network.

In addition, the network interface unit 133 can receive update information and an update file of the firmware provided by the network operator, and can transmit data to the Internet or a content provider or a network operator.

The network interface unit 133 can select and receive a desired application among applications open to the public via the network.

The storage unit 140 stores programs for signal processing and control in the controller 170, and can store image-processed video, audio, or data signals.

The storage unit 140 may perform a function for temporarily storing video, audio, or data signals input from the external device interface unit 135 or the network interface unit 133, It may also store information about the image.

The storage unit 140 may store a list of applications or applications input from the external device interface unit 135 or the network interface unit 133. [

In addition, the storage unit 140 may store a plurality of applications, and may store a plurality of middleware for each application.

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

The user input interface unit 150 may transmit a signal input by the user to the control unit 170 or may transmit a signal from the control unit 170 to the user. For example, the user input interface unit 150 may be implemented by various communication methods such as Bluetooth, Ultra Wideband (WB), ZigBee, RF (Radio Frequency) communication, and infrared (IR) It is possible to receive and process control signals such as power on / off, channel selection, screen setting, and the like from the remote control device 200, or transmit control signals from the control unit 170 to the remote control device 200. [

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

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

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

Meanwhile, the control unit 170 can control the video display device 100 through a user command or an internal program input through the user input interface unit 150, and can connect to the network and display a list of applications or applications desired by the user And can be downloaded into the display device 100.

The control unit 170 can output the video or audio signal processed through the channel information selected by the user through the display unit 180 or the audio output unit 185.

The control unit 170 controls the operation of the external device through the external device interface unit 135 according to an external device video playback command received through the user input interface unit 150. For example, So that a video signal or a voice signal can be output through the display unit 180 or the audio output unit 185.

The control unit 170 may control the display unit 180 to display an image and may output the broadcast image input through the tuner 131 or the external input through the external device interface unit 135, The image input through the network interface unit or the image stored in the storage unit 140 may be displayed on the display unit 180. [ In this case, the image displayed on the display unit 180 may be a still image or a moving image, and may be a 2D image or a 3D image.

In addition, the controller 170 may control the content stored in the video display device 100, the received broadcast content, and external input content input from the outside to be reproduced, and the content may be a broadcast video, an external input video, , A still image, a connected web screen, and a document file.

The control unit 170 can operate a plurality of applications stored in the storage unit 140, and can simultaneously operate a plurality of applications.

In addition, when a plurality of applications are operating simultaneously, the controller 170 can perform mutual operation between applications such as key focus movement between different applications through the middleware for each application.

The control unit 170 may operate in an event-driven manner to change the execution behavior of the application in response to the event for the executed application.

The display unit 180 converts the video signal, the data signal, the OSD signal, the video signal, the data signal, and the like received from the external device interface unit 135 into R, G, and B signals, respectively, Signal can be generated.

Since the image display device 100 shown in FIG. 1 is only an embodiment of the present invention, Some of the illustrated components may be integrated, added, or omitted depending on the specifications of the image display device 100 actually implemented.

That is, two or more constituent elements may be combined into one constituent element, or one constituent element may be constituted by two or more constituent elements, if necessary. In addition, the functions performed in each block are intended to illustrate the embodiments of the present invention, and the specific operations and apparatuses do not limit the scope of the present invention.

1, the video display device 100 may include a tuner 131 and a demodulator 132 and may be connected to the network interface 133 or the external device interface 140. [ It is also possible to receive and reproduce an image through the display unit 135.

For example, the video display device 100 may be divided into an image processing device such as a set-top box for receiving broadcast signals or contents according to various network services, and a content playback device for playing back content input from the image processing device .

In this case, the image display method according to an embodiment of the present invention to be described below may be applied not only to the image display apparatus 100 as described with reference to FIG. 1, but also to the image processing apparatus such as the set- And an audio output unit 185. The audio output unit 185 may be an audio output unit or an audio output unit.

The remote control device 200 can input a command related to the image display device 100. [

The remote control device 200 can exchange signals with the image display device 100 through various wireless methods.

For example, the remote control device 200 can exchange signals with the image display device 100 through the RF communication standard, the IR communication standard, and the Bluetooth communication standard.

Next, with reference to Fig. 2, the execution of the application of the control unit 170 and the mutual operation of a plurality of applications will be described.

Figure 2 shows a plurality of middleware and applications running on an operating system.

Referring to FIG. 2, the controller 170 may operate the first application 310 and the second application 370, which are a plurality of different applications, based on an operation system 300. Here, the operating system 300 is a system software that not only manages hardware of the system but also provides a hardware abstraction platform and a common system service for executing application software. Thus, the operating system 300 enables application programs to use resources such as a memory, a CPU, and an input / output device, which are hardware of the system, and abstracts them to provide a service such as a file system. Also, when multitasking is supported, the operating system 300 may schedule all the processes when a plurality of application programs are executed, so that a plurality of application programs appear to be simultaneously executed. Where the application can be an application.

Meanwhile, the control unit 170 can operate the middleware, which is the relay software for each application to exchange data with other applications.

2, the controller 170 may operate the first middleware 330, which is the middleware for the first application 310, and the second middleware 350 for the second application 370, . Accordingly, the controller 170 may transmit the data of the first application 310 to the second application 370 through the first middleware 330 and the second middleware 350. The control unit 170 may transmit the data of the second application 370 to the first application 310 through the second middleware 350 and the first middleware 330. [

This will be described with reference to FIG.

3 shows a browser 352 that is a Java virtual machine 332 and an HTML middleware 355 that is a Java application 312 and an HTML application 372 and a Java middleware 335 that run on the operating system.

In one embodiment, as shown in FIG. 3, the control unit 170 can operate a Java application 312 and an HTML application 372, which are different applications, respectively. The control unit 170 can operate the JAVA virtual machine 332 as the middleware for the Java application 312 and the browser 352 as the middleware for the HTML application 372. The control unit 170 may transmit the data of the Java application 312 to the HTML application 372 through the Java virtual machine 332 and the browser 352. [

The control unit 170 may transmit the data of the second application 370 to the first application 310 through the second middleware 350 and the first middleware 330. [

The mutual operation among the plurality of applications of the control unit 170 will be described with reference to FIG.

Figure 4 shows the interoperation between a plurality of applications.

The control unit 170 can operate the application program based on the first application through the first application 310. [ The controller 170 can operate the application program based on the second application through the second application 370. [

Meanwhile, the controller 170 may transmit data of an application program operating through the first application 310 to the first middleware 330. [

The controller 170 may transmit data of an application program operating through the first application 310 to the second middleware 350 through the first middleware 330.

The controller 170 may transmit the data of the first application 310 received through the second middleware 350 to the second application 370. [

The controller 170 can operate the second application based on the data of the first application 310 received through the second middleware 350. [

In this manner, the controller 170 can perform mutual operations such as data transfer between different types of applications through a plurality of applications and a plurality of middleware.

An operation method of the video display device 100 will be described with reference to FIG.

5 is a flowchart showing an operation method of the video display device 100. FIG.

Referring to FIG. 5, the controller 170 executes the first application to operate the first application 310 (S100).

The control unit 170 may execute the first application 310 through one or more of the following: receiving execution input and output of a user, receiving broadcast signals, and receiving data via a network.

Then, the control unit 170 can control the first application 310 where the key focus is executed.

The control unit 170 registers the key event of the first application 310 so that the first application 310 can receive the key event information of the second application 370 at step S110.

Here, a key event refers to an event related to a key, which is a display on a screen for an executed application and is an indication of a location where a user can input.

The key focus includes a focus on which the displayed key is located on the executed application. For example, the key event may mean movement of a key, position of a key, operation of a key, movement of a key focus, position of a key focus, termination of use of a key focus, and the like.

The controller 170 can operate in an event driven manner that changes the execution behavior of the application in response to an event for the executed application so that the key of the second application 370, which is an application different from the first application 310, The controller 170 may register the key event of the first application 310 so that the first application 310 can recognize the event.

Then, the controller 170 delivers the key event registered in the first application 310 to the first middleware 330.

Specifically, the controller 170 transmits the key event registered in the first application 310 to the first middleware 330 and transmits the key event, which is a middleware different from the first middleware 330, through the first middleware 330 2 middleware 350. In this case,

The controller 170 transfers the registered key event from the first middleware 330 to the second middleware 350.

Accordingly, the controller 170 can transmit the key event converted through the first middleware 330 to the second middleware 350. [ Accordingly, the controller 170 may transmit the key event information about the key event generated by the second middleware 350 in response to the key event generated in the second application 370, to the first application 310.

The control unit 170 executes the second application to operate the second application 370 on the first application 310 (S120).

The control unit 170 may execute the second application 370 through one or more of receiving the execution input of the user, receiving the broadcast signal, and receiving data via the network. Thus, the control unit 170 can simultaneously execute the first application 310 and the second application 370, which are different kinds of applications.

This will be described with reference to FIG.

6 shows a display according to the execution of a plurality of applications.

6, the control unit 170 simultaneously displays the area A, which is the area where the first application 310 is displayed, and the area B, which is the area where the second application 370 is displayed, Lt; / RTI >

Meanwhile, the controller 170 may place the key focus in the first application 310 when the first application 310 and the second application 370 are simultaneously executed.

7, the controller 170 displays a cursor 400 in an area A in which the first application 310 is displayed, and displays a cursor 400 in the first application 310, 400) may be used.

See FIG. 5 again.

The control unit 170 may transmit the key focus from the first application 310 to the second application 370 (S130).

The control unit 170 may transmit the key focus located in the first application 310 to the second application 370 based on the execution operation of the second application so that the key focus is placed in the second application 370 .

8, the controller 170 displays the cursor 400 in the area B where the second application 370 is displayed, and displays the cursor 400 in the second application 370. [ Can be used.

On the other hand, as the control unit 170 transmits the key focus to the second application 370, the first application 310 can not use the key focus.

The control unit 170 may transfer the key focus from the first application to the second application simultaneously with the execution of the second application in step S120. Accordingly, step S130 may be omitted.

The control unit 170 terminates the use of the key focus of the second application 370 when a predetermined event occurs (S140).

The control unit 170 may terminate the use of the key focus of the second application 370 when a predetermined event such as reception of a user's end input, a predetermined time elapse, or the like occurs.

Meanwhile, when the controller 170 terminates the use of the key focus of the second application 370, the key event information is transmitted to the first application 310 according to the occurrence of the key focus termination event.

The control unit 170 moves the key focus from the second application 370 to the first application 310 based on the key event information (S150).

The control unit 170 transmits key event information on the occurrence of the key focus termination event to the first application 310 and moves the key focus that was located in the second application 370 to the first application 310. [ Accordingly, the controller 170 can cause the key focus to be located in the first application 310. [

7, the controller 170 displays a cursor 400 in an area A in which the first application 310 is displayed, and displays a cursor 400 in the first application 310, 400) may be used. The control unit 170 can execute the second application in the first application 310 and can control the key focus to move between the first application 310 and the second application 370 which are different kinds of applications can do.

Hereinafter, with reference to FIG. 10, an operation method when the control unit 170 simultaneously operates the HTML application 372 in the Java application 312 with a plurality of different applications will be described.

Meanwhile, the HTML application 372 may be a Nested Context Language (NCL) application that extends HTML (Hyper Text Markup Language).

9 is a ladder diagram of a method of moving a key focus among a plurality of applications of the control unit 170. [

The control unit 170 executes the Java application 312 corresponding to the first application (S200). Accordingly, the control unit 170 can control the key focus to be positioned in the Java application 312. [

The control unit 170 registers the key event of the Java application 312 so that the Java application 312 can receive the key event information of the HTML application 372 at step S210.

In the Java application 312, there is a class br.org.sbtvd.bridge.NCLPlayer which controls the HTML application 372. Here, an event ID (event_id) of br.org.sbtvd.bridge.NCLPlayerEvent is present, And expands the key event of the HTML application 372 so that the Java application 312 can receive the key event.

For example, the following can be shown.

class NCLPlayerEvent

   field: public static int FOCUS_LOST = 64

On the other hand, when key focus is terminated in the HTML application 372, the above-described key event is generated, whereby the Java application 312 can recognize termination of use of the key focus of the HTML application 372. [

For example, the following can be shown.

NCLPlayer player = new NCLPlayer ()

Player.addNCLPlayerEventListener (NCLPlayerEventListener);

...

NCLPlayerEventDispatched (NCLPlayerEvent);

If (NCLPlayerEvent.getID () == FOCUS_LOST) {

...

}

The control unit 170 delivers the above-described key focus event registration to the Java middleware 335 in the Java application 312, for example, as shown below (S212).

NCLPlayer.addNCLPlayerEventListener ()

Then, the control unit 170 transmits the key focus event registration to the HTML middleware 355 in the Java middleware 335, for example, as shown below (S214).

addNCLPlayerEventListener

The control unit 170 executes the HTML application 372 (S220).

The control unit 170 transfers the execution of the HTML application 372 to the Java middleware 335 in the Java application 312, and may be expressed as follows (S222).

NCLPlayer.startDocument ()

The control unit 170 transfers the execution of the HTML application 372 to the HTML middleware 355 in the Java middleware 335, for example, as shown below (S224).

startDocument ()

The control unit 170 transfers the execution of the HTML application 372 to the HTML application 372 in the HTML middleware 355, and may be expressed as follows (S226).

Launch App ()

The control unit 170 executes the HTML application 372 in the Java application 312 so that the control unit 170 simultaneously displays the area for the Java application 312 and the area for the HTML application 372 (S228).

The control unit 170 transfers the key focus from the Java application 312 to the HTML application 372 (S230).

Accordingly, the controller 170 delivers the key focus from the Java application 312 to the Java middleware 335, for example, as follows (S232).

NCLPlayer.requestFocus ()

The control unit 170 delivers the key focus to the HTML middleware 355 in the Java middleware 335, for example, as shown below (S234).

focusGaind ()

The control unit 170 delivers the key focus from the HTML middleware 355 to the HTML application 372, for example, as follows (S236).

Document.getElementByld (XXX) .focus ()

The control unit 170 moves the key focus from the Java application 312 to the HTML application 372 (S238). Accordingly, the control unit 170 can control the key focus to be positioned in the HTML application 372 operating in the Java application 312. [

The controller 170 terminates the use of the key focus of the HTML application 372 when a predetermined event occurs (S240).

The control unit 170 notifies the HTML middleware 355 of the HTML application 372 that the key focus termination event has occurred in the HTML application 372. For example, the control unit 170 may indicate as follows (S242).

Document.getElementByld (XXX) .removeFocus ()

The control unit 170 notifies the HTML middleware 355 that the key focus termination event has occurred in the HTML application 372 as the Java middleware 335 and can be expressed as follows (S244).

NCLPlayerEvent (FOCUS_LOST)

The control unit 170 notifies the Java middleware 335 that the key application termination event has occurred in the HTML application 372 as the Java application 312. For example, the control unit 170 may indicate (S246) as follows.

NCLPlayerEvent (FOCUS_LOST)

The control unit 170 transmits the key event information about the occurrence of the key focus termination to the Java application 312 and controls the key application to move from the HTML application 372 to the Java application 312 at step S250.

The control unit 170 transmits the key event information for the occurrence of an event called key focus termination to the Java application 312 so that the Java application 312 can recognize that the key focus use is ended in the HTML application 372 . Thus, the control unit 170 can control the key focus to move from the HTML application 372 to the Java application 312. The control unit 170 may control the key application to be located in the Java application 312. [

Hereinafter, with reference to FIG. 10, a description will be made of an operation method when the control unit 170 simultaneously operates the Java application 312 in the HTML application 372 with a plurality of different applications according to an embodiment of the present invention.

Meanwhile, the HTML application 372 may be a Nested Context Language (NCL) application that extends HTML (Hyper Text Markup Language).

10 is a ladder diagram of a method of moving a key focus between a plurality of applications of the control unit 170. [

The control unit 170 executes the HTML application 372 corresponding to the first application (S300). Accordingly, the control unit 170 can control the key application to place the key focus in the HTML application 372.

The control unit 170 registers the key event of the HTML application 372 so that the HTML application 372 can receive the key event information of the Java application 312 at step S310.

A media element is used to execute the Java application 312 in the HTML application 372. [ By defining onfocuslost as an attribute of a media element and setting an API (Application Program Interface) for the attribute, the Java application 312 can determine the key focus state of the Java application 312 by extending the media element If the key focus is terminated, the API set for that property can be called. For example, the following can be shown.

<media onfocuslost = doSomething () ... ... />

The control unit 170 delivers the key focus event registration to the HTML middleware 355 in the HTML application 372, and may be expressed as follows (S312).

onFocusLost (doActionForFocus)

Then, the control unit 170 delivers the key focus event registration to the Java middleware 335 in the HTML middleware 355, for example, as shown below (S314).

addFocustLostListener ()

The control unit 170 executes the Java application 312 (S320).

The control unit 170 transfers the execution of the Java application 312 to the HTML middleware 355 in the HTML application 372 and may be expressed as follows (S322).

startXlet ()

The control unit 170 transfers the execution of the Java application 312 to the Java middleware 335 in the HTML middleware 355 and may be represented as follows (S324).

startXlet ()

The control unit 170 transfers the execution of the Java application 312 to the Java application 312 in the Java middleware 335 and may be expressed as follows (S326).

Launch App ()

The control unit 170 executes the Java application 312 in the HTML application 372 so that the control unit 170 simultaneously displays the area for the HTML application 372 and the area for the Java application 312 (S328).

On the other hand, when the control unit 170 operates the Java application 312 in the HTML application 372 differently from the case of operating the HTML application 372 in the Java application 312, .

Accordingly, the controller 170 can move the key focus from the HTML application 372 to the Java application 312 according to the operation of the HTML application 372 without a separate key focus transfer process. Thus, the control unit 170 can control the key focus to be placed in the Java application 312 operating in the HTML application 372. [

When the preset event occurs, the control unit 170 terminates the use of key focus of the Java application (S330).

The control unit 170 notifies the Java middleware 335 of the Java application 312 that the key focus termination event has occurred in the Java application 312 and may be expressed as follows at step S332.

NodeManage.notifyFocusLost ()

The control unit 170 notifies the HTML middleware 355 of the Java middleware 335 that the key focus termination event has occurred in the Java application 312 and may be expressed as follows (S334).

notifyFocusLost ()

The control unit 170 notifies the HTML middleware 355 that the key application termination event has occurred in the Java application 312 as the HTML application 372. For example, the control unit 170 may display the following event (S336).

doActionForFocus ()

The control unit 170 transmits the key event information about the occurrence of the key focus termination to the HTML application 372 and controls the key application to move from the Java application 312 to the HTML application 372 at step S340.

The control unit 170 may transmit the key event information for the occurrence of the key focus termination event to the HTML application 372 so that the HTML application 372 can recognize that the key focus use is ended in the Java application 312 .

Thus, the control unit 170 can control the key focus to move from the Java application 312 to the HTML application 372. [ The control unit 170 may control the key application to be positioned in the HTML application 372.

According to an embodiment of the present invention, the above-described method can be implemented as a code readable by a processor on a medium on which a program is recorded. Examples of the medium that can be read by the processor include ROM, RAM, CD-ROM, magnetic tape, floppy disk, optical data storage, etc., and may be implemented in the form of a carrier wave (e.g., transmission over the Internet) .

The image display device described above can be applied to a configuration and a method of the embodiments described above in a limited manner, but the embodiments may be modified so that all or some of the embodiments are selectively combined .

Claims (8)

A method of operating a video display device,
Executing a first application;
Registering an event for key focus in a first application executed;
Executing a second application on the first application;
Passing the key focus to a second application executed;
Terminating the key focus of the second application when a predetermined event occurs in the second application;
Transmitting an event occurrence to the first application corresponding to the end of the key focus; And
And transferring the key focus from the second application to the first application in accordance with the occurrence of the event
A method of operating a video display device. The method according to claim 1,
Wherein the key focus includes focus on which the key displayed on the executed first application or the second application is located and the key focus is located only on the application of one of the first application or the second application
A method of operating a video display device. The method according to claim 1,
Wherein the event for the key focus includes an end of the key focus of the second application
A method of operating a video display device. The method according to claim 1,
Wherein the predetermined event includes at least one of receiving a user's end input for the second application,
A method of operating a video display device. The method according to claim 1,
The method of transferring the event of the key focus to the first application corresponding to the termination of the key focus is an event-driven method of changing the execution operation of the application in response to the registered event
A method of operating a video display device. A video display device comprising:
A storage unit for storing a first application and a second application; And
The method comprising: executing the second application on the first application, registering an event for key focus on the executed first application, terminating the key focus of the second application when a predetermined event occurs in the second application, And transferring the key focus from the second application to the first application by forwarding an event occurrence for the key focus to the first application in response to termination of the key focus
Video display device. The method according to claim 6,
Wherein the key focus includes a focus on which a key displayed on the first application or the second application is located,
The control unit
Controlling the key focus to be located only on the application of one of the first application or the second application
Video display device. The method according to claim 6,
The control unit
In response to the key focus termination, when an event occurrence of the key focus is transferred to the first application, the key focus is transferred in an event driven manner in which the execution execution of the application is changed in response to the registered event
Video display device.
KR1020140019139A 2014-02-19 2014-02-19 Video display device and operating method thereof KR20150098060A (en)

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Application Number Priority Date Filing Date Title
KR1020140019139A KR20150098060A (en) 2014-02-19 2014-02-19 Video display device and operating method thereof

Publications (1)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20190019137A (en) 2016-06-17 2019-02-26 이데미쓰 고산 가부시키가이샤 Oxide sintered body and sputtering target
KR20190127750A (en) 2017-03-30 2019-11-13 이데미쓰 고산 가부시키가이샤 Garnet compounds, oxide sintered bodies, oxide semiconductor thin films, thin film transistors, electronic devices, and image sensors

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20190019137A (en) 2016-06-17 2019-02-26 이데미쓰 고산 가부시키가이샤 Oxide sintered body and sputtering target
KR20190127750A (en) 2017-03-30 2019-11-13 이데미쓰 고산 가부시키가이샤 Garnet compounds, oxide sintered bodies, oxide semiconductor thin films, thin film transistors, electronic devices, and image sensors

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