KR20090120549A - Movile communication terminal having plural screen and displaying method thereof - Google Patents

Abstract

PURPOSE: A mobile communication terminal having plural screens and a displaying method thereof are provided to enable a user to execute a previous application continuously by displaying the information of the previous application when another application is executed while an application is executed. CONSTITUTION: A first display unit(140) displays the still screen of the previous application or a current application signal. A second display unit(150) displays the additional information of the current application or the current application signal. A signal processor(160) selects the additional information from the current application signal. The selected information is selectively outputted to the second display unit. If the current application is completed, a controller(170) judges whether or not the previous application which is temporarily paused exists.

Description

Mobile communication terminal having a plurality of screens and a display method thereof {MOVILE COMMUNICATION TERMINAL HAVING PLURAL SCREEN AND DISPLAYING METHOD THEREOF}

The present invention relates to a mobile communication terminal having a plurality of screens and a display method thereof, and more particularly to a mobile communication terminal having a plurality of screens for displaying more information by extending the screen of the mobile communication terminal and a display method thereof. It is about.

The conventional mobile communication terminal performs only a voice call function, but in recent years, as communication technology has developed, many people have a mobile communication terminal, and various applications are mounted in the mobile communication terminal to satisfy the needs of consumers.

The application includes a game, the Internet, a camera, a Short Message Service (SMS), a Multimedia Messaging System (MMS), an MPEG Audio Layer-3 (MP3), and a Digital Multimedia Broadcasting (DMB).

As such, as various applications are mounted and executed, the amount of information to be displayed on the screen of the mobile communication terminal increases according to the type of the executed application.

Accordingly, a mobile communication terminal is required for a screen capable of displaying additional information required during execution of a corresponding application in view of user convenience.

Accordingly, an object of the present invention is to provide a mobile communication terminal having a plurality of screens to display a signal of an application being executed on one screen and to display additional information of the corresponding application on another screen.

Another object of the present invention is to provide a mobile communication terminal that displays information of a previous application so that a user can continuously execute the previous application when executing another application while the application is running.

Accordingly, the mobile communication terminal having a plurality of screens according to the present invention comprises: a first display unit for displaying a signal of a current application or a still image of a previous application; A second display unit displaying a signal of the current application or additional information of the current application; A signal processing unit which processes the signal of the current application and outputs the signal to the first display unit, and separates the additional information and selectively outputs the additional information to the second display unit when the signal of the current application includes additional information; And when the current application is terminated, determines whether there is a paused previous application, and if the paused previous application exists, the signal processing unit to display a still image of the previous application on the first display unit. It includes a control unit for controlling.

The second display unit is a touch screen panel.

When the second display unit according to the present invention is a foldable mobile communication terminal, the second display unit is disposed on an inner surface of the main body unit provided with the keypad unit.

As another example of a foldable mobile communication terminal, the second display part is an external display part of a folder part, and the external display part has a hinge part at an upper side or a side surface to which the folder part and the external display part are connected, and can rotate upward or sideward. It is done.

In the case of the slide type mobile communication terminal, the second display unit is inserted into the rear surface of the slide unit to be slid and is slid sideward or upward.

On the other hand, the display method of the mobile communication terminal having a plurality of screens according to the present invention, the first step of displaying a signal of the current application on the first display unit; A second step of displaying additional information of the current application on a second display unit when additional information of the current application exists; A third step of determining whether there is a previous paused application when the current application is terminated; And a fourth step of displaying a still image of the existing previous application on the first display unit when the paused previous application exists as a result of the determination.

According to the present invention, the first display unit and the second display unit may be provided to separately display the signal of the application and the additional information of the application. At this time, in the case of a folder type, it is possible to reduce the space of the keypad portion, or to have a plurality of screens by utilizing an external screen. In addition, in the case of a slide type, a screen sliding on the rear of the slice unit may be provided so that a plurality of screens may be provided without increasing the size of the mobile communication terminal.

In addition, even if another application is executed during execution of the application, the previous application information can be displayed on one of the plurality of screens, so that the user can continue to execute the previous application.

Hereinafter, the present invention will be described in detail with reference to the accompanying drawings.

However, in describing the present invention, when it is determined that a detailed description of a related known function or configuration may unnecessarily obscure the subject matter of the present invention, a detailed description thereof will be omitted.

1 is a block diagram illustrating a configuration of a mobile communication terminal having a plurality of screens according to the present invention.

Referring to FIG. 1, the mobile communication terminal includes a wireless communication unit 110, an analog voice processing unit 120, an OSD generating unit 130, a keypad unit 135, a first display unit 140, and a first communication unit. The display unit 150 includes a display unit 150, a signal processor 160, and a controller 170. It is apparent that the configuration of the mobile communication terminal may further include another configuration as an example for describing the present invention.

The wireless communication unit 110 transmits and receives signals wirelessly through the antenna 111. Although not shown in the drawing, the wireless communication unit 110 includes a duplexer, a transmitter, and a receiver. In detail, the duplexer separates a signal transmitted and received wirelessly through an antenna, a transmitter converts a predetermined intermediate frequency signal into a radio frequency and outputs the radio signal to the duplexer, and a receiver outputs a radio signal received through the antenna to the duplexer. It receives through and converts into a predetermined intermediate frequency signal and outputs it.

The analog voice processing unit 120 converts and amplifies the digital voice signal into an analog voice signal and outputs the amplified analog voice signal from the microphone (MIC) 121 to the digital voice signal. To convert.

The OSD (On Screen Display) generation unit 130 generates various menus and messages related to various applications provided by the mobile communication terminal as OSD signals.

The keypad 135 generates a key signal according to a selected key including one or more menu keys and keys for inputting characters including numbers.

The first display unit 140 displays a signal of the current application or a still image of the previous application.

The second display unit 150 is a touch screen panel including a touch panel 151 and a position detector 153. That is, the second display unit 150 is equipped with the touch panel 151 to display various menus or messages on the screen, and when the contact occurs on the screen, the coordinate information of the position where the contact is generated through the position detector 153. Is detected and output. Accordingly, the user may draw letters and pictures including numbers on the second display unit 150 and control the information displayed on the screen of the first display unit 140 by operating the second display unit 150 with a mouse. Will be.

In addition, the second display unit 150 displays one of a signal of the current application, additional information of the current application, and information of a previous application.

Here, the first display unit 140 and the second display unit 150 will be described in detail with reference to the drawings.

Figure 2 is a view showing the appearance of a typical clamshell mobile communication terminal, Figures 3a and 3b is a view showing an example of the appearance of a clamshell mobile communication terminal to which the present invention is applied, Figures 4a and 4b Figure 1 shows an example of the appearance of the slide-type mobile communication terminal to which the invention is applied.

Referring to FIG. 2, the folder type mobile communication terminal includes a folder 210 and a main body 230 which are rotated and opened around the hinge unit 220.

The folder unit 210 includes a display unit 211, and the display unit 211 is disposed on the inner side of the folder unit 210 to appear when the folder unit 210 is rotated and opened. In this case, the folder unit 210 may further include an external display unit (not shown) on the outer surface.

The main body 230 includes a keypad 231 having a plurality of keys.

Meanwhile, referring to the folding mobile communication terminal according to the present invention, as shown in FIG. 3A, the folder unit 310 includes a first display unit 140 on an inner side thereof, and the main body 330 on an inner side thereof. A keypad 331 and a second display unit 150 are included.

In another embodiment, referring to FIG. 3B, the second display unit 150 of the clamshell mobile communication terminal is an external display unit disposed on an outer surface of the main body unit 310. In this case, hinge parts 305, 307, and 309 are provided on an upper side or a side of the second display unit 150 to which the folder unit 310 and the second display unit 150 are connected. Accordingly, the second display unit 150 may be disposed up and down with the first display unit 140 by rotating about the upper hinge portion 305. In addition, the second display unit 150 may be disposed in parallel with the first display unit 140 by rotating about the hinge parts 307 and 309 on the side surfaces thereof. That is, when rotated around the right hinge portion 309 of the second display portion 150, the first display portion 140 is disposed in parallel with each other as shown in ②, and the left hinge portion 307 of the second display portion 150 is centered. When rotated, the first display unit 140 is disposed side by side as shown in ③.

In addition, referring to the slide-type mobile communication terminal according to the present invention, as shown in FIGS. 4A and 4B, the second display unit 150 is connected to the main body 420 and an elastic member and slides 410. It is attached to the back of the side is characterized in that the sliding to the side (Fig. 4a) or the top (Fig. 4b).

Accordingly, the foldable or slide-type mobile communication terminal according to the present invention is characterized by having a screen for displaying additional information of an application without increasing the size of the terminal itself so that the user is not inconvenienced to carry it.

The signal processor 160 may signal-process an input signal under the control of the controller 170 and simultaneously or selectively output the signal to the first display unit 140 or the second display unit 150.

In other words, when a signal of the current application is input, the signal processor 160 simultaneously outputs the signal of the current application to the first display unit 140 or the second display unit 150 or additional information on the signal of the current application. If is included, the additional information is separated and selectively output to the second display unit 150.

The controller 170 controls the units and generates operation commands according to the key signals generated by the keypad unit 135.

In addition, when a next application command is input while the current application is being executed, the controller 170 may pause the current application and execute the next application to display a signal of the next application on the first display unit 140. The signal processor 160 is controlled so as to be controlled. In addition, when the additional information is included in the signal of the next application, the controller 170 controls the signal processor 160 to display the additional information of the next application on the second display unit 150.

When the current application or the next application is terminated, the controller 170 determines whether the previous application is paused and if there is a previous application, a still image of the previous application is displayed on the first display unit 140. The signal processor 160 is controlled such that information of a previous application is displayed on the second display unit 150. The previous application information displayed on the second display unit 150 includes a list of previous applications.

In addition, if there is more than one paused previous application, the controller 170 displays a still image of the last executed previous application on the first display unit 140, and the paused previous application information is displayed on the second display unit 150. The signal processor 160 is controlled to be displayed on the screen.

In addition, when a previous application is selected through the information of the previous application displayed on the second display unit 150, the controller 170 executes the selected previous application to display a signal of the selected previous application on the first display unit 140. The signal processor 160 is controlled so as to be able to do so. If the previous application information displayed on the second display unit 150 is displayed as a list, information on the previous application except for the selected previous application is displayed on the second display unit 150.

Meanwhile, when a call connection signal is input while the current application is running, the controller 170 pauses the current application so that a still image of the current application is displayed on the first display unit, and call connection information corresponding to the call connection signal is displayed. The signal processor 160 is controlled so that is displayed on the second display unit 150. The call connection information includes at least one of a caller's telephone number (if the user applied for a caller ID display service), a message indicating that a call is received, and a message for selecting whether to call.

In addition, the controller 170 connects the telephone when the call connection is selected in the message for selecting whether to connect the call.

In addition, the controller 170 may display a menu related to each application generated by the OSD generator 130 on the first display unit 140, and a message generated during the execution of a predetermined application may be displayed on the second display unit 150. The signal processor 160 is controlled to be displayed on the screen.

5A to 5B are flowcharts illustrating a display method of a mobile communication terminal having a plurality of screens according to the present invention. Here, the second display unit is a touch screen panel which not only displays information but also receives information from the user.

When the current application execution command is input (S501), the mobile communication terminal displays a signal of the current application on the first display unit 140 (S503), and determines whether additional information of the current application exists (S505). .

As a result of the determination, if the additional information of the current application exists, the additional information of the current application is displayed on the second display unit 150 (S507). Here, the application includes a voice call, a game, a camera, a text message, the Internet or a multimedia service function provided by a mobile communication terminal.

When a signal of a next application is input (S509) while executing the current application, the mobile communication terminal pauses the current application, executes the next application, and displays a signal of the next application on the first display unit 140 ( S511). If the additional information is included in the signal of the next application, the additional information of the next application is displayed on the second display unit 150.

When the next application is terminated (S513), the mobile communication terminal displays a still image of the previous application paused on the first display unit 140 and displays information of the previous application paused on the second display unit 150. (S515).

When the user selects one of the previous applications displayed on the second display unit 150 (S517), the selected previous application is executed to display a signal of the previous application on the first display unit 140 (S519). Here, when there is more than one paused previous application, the still image of the last executed previous application is displayed on the first display unit 140, and the information of the previous application displayed on the second display unit is displayed as a list of previous applications. This is preferred. In addition, the second display unit 150 displays information on the previous application except for the previous application selected through the second display unit 150.

On the other hand, in step S507, the mobile communication terminal determines whether the currently running application is terminated (S523), and when the currently running application is terminated, it is determined whether there is a previous paused application. do. As a result of the determination, if the previous application is paused (S523), a still image of the previous application is displayed on the first display unit 140, and information of the previous application is displayed on the second display unit 150 (S515).

When the application executed in step S519 is terminated (S521), it is determined whether all applications are terminated (S527), and when all applications are terminated, the mobile communication terminal until a signal (command) is input. Stand by.

In operation S507, when a call connection signal is input while the mobile communication terminal is executing the current application, the mobile communication terminal pauses the current application to display a still image of the current application on the first display unit 140. The second display unit 150 displays call connection information corresponding to the connection signal and a message for selecting whether to connect the call.

6A and 6B are flowcharts illustrating an example of a display method of a mobile communication terminal having a plurality of screens according to the present invention.

When a game application execution command is input (S601), the mobile communication terminal executes the game application to display a signal of the game application on the first display unit 140 and display additional information of the game application on the second display unit 150. (S603).

If a call connection signal is input while executing the game application (S605), the mobile communication terminal pauses the game application and displays a still image of the game application on the first display unit 140 (S607). In addition, call connection information corresponding to the call connection signal and a message for selecting whether to connect the call are displayed on the second display unit 150 (S609).

If the call connection is accepted through the message displayed on the second display unit 150, the mobile communication terminal connects the phone (S611).

When a phone book search application execution command is input during the phone connection (S613), the mobile communication terminal displays a list of phone numbers for searching for a phone number on the first display unit 140 (S615). Alternatively, when a phone number storage application execution command is input, the mobile communication terminal provides a screen for storing a phone number to the first display unit 140 to store the caller's phone number. When the phonebook search application or the phone number storage application is terminated (S617), the still image of the game application is displayed on the first display unit 140 (S619).

On the other hand, when the Internet application execution command is input during the telephone connection (S621), the mobile communication terminal displays the Internet screen on the first display unit 140 (S623).

When the telephone connection is terminated while executing the Internet application (S625), the mobile communication terminal displays the information of the game application and the information of the Internet application on the second display unit 150 (S627).

When the Internet application is selected on the second display unit 150 (S629), the mobile communication terminal displays the Internet screen on the first display unit 140, and displays information on the game application on the second display unit 150 (S631). ). In other words, the information of the previous paused application is not erased, and the information is continuously displayed so that the user can execute the previously executed application again.

Then, when a termination command is input from the user (S633), the mobile communication terminal terminates all applications. Alternatively, when an end command for the Internet application is input, the execution of the Internet application is terminated, and when the game application paused through the second display unit is selected, the pause of the game application is released to output a signal of the game application to the first display unit ( 140).

While the invention has been shown and described with reference to certain preferred embodiments, it will be apparent to those skilled in the art that the present invention may be modified without departing from the scope of the invention. It can be readily appreciated that modifications and variations can be made. Therefore, the scope of the present invention should not be limited to the described embodiments, but should be defined by the claims below and equivalents thereof.

1 is a block diagram showing the configuration of a mobile communication terminal having a plurality of screens according to the present invention;

2 is a view showing the appearance of a typical clamshell mobile communication terminal;

3a and 3b is a view showing an example of the appearance of a clamshell mobile communication terminal to which the present invention is applied;

4a and 4b is a view showing an example of the appearance of the slide-type mobile communication terminal to which the present invention is applied;

5A and 5B are a flowchart illustrating a display method of a mobile communication terminal having a plurality of screens according to the present invention; and

6A and 6B are flowcharts illustrating an example of a display method of a mobile communication terminal having a plurality of screens according to the present invention.

* Description of the main symbols in the drawing

140: first display unit 150: second display unit

151: touch panel 160: signal processing unit

Claims (21)

A first display unit displaying a signal of a current application or a still image of a previous application; A second display unit displaying a signal of the current application or additional information of the current application; A signal processing unit which processes the signal of the current application and outputs the signal to the first display unit, and separates the additional information and selectively outputs the additional information to the second display unit when the signal of the current application includes additional information; And When the current application is terminated, it is determined whether there is a paused previous application, and if the paused previous application exists, the signal processor controls the signal processing unit to display a still image of the previous application on the first display unit. A mobile communication terminal having a plurality of screens, characterized in that it comprises a control unit. The method of claim 1, The second display unit A mobile communication terminal having a plurality of screens, characterized in that the touch screen panel. The method of claim 1, The control unit When a next application execution command is input while executing the current application, the signal processing unit is controlled to execute the next application so that the signal of the next application is displayed on the first display unit. Mobile terminal. The method of claim 3, wherein The control unit And a next application execution command is input while the current application is executed, wherein the current application is paused. The method of claim 3, wherein The control unit And when the next application is terminated, controlling the signal processing unit to display a still image of a paused previous application on a first display unit. The method according to claim 1 or 5, The still image of the paused previous application displayed on the first display unit is A mobile communication terminal having a plurality of screens, characterized in that the still image of the last executed application of one or more of the paused previous applications. The method according to claim 1 or 5, The control unit And when the one or more paused previous applications exist, controlling the signal processor to display information on the one or more paused previous applications on the second display unit. The method of claim 7, wherein The control unit When any one previous application is selected based on the information of the previous application displayed on the second display unit, the selected previous application is executed to display a signal of the previous application on the first display unit, and the previous application except the selected previous application is executed. A mobile communication terminal having a plurality of screens, characterized in that for controlling the signal processing unit so that information of the application is displayed on the second display unit. The method of claim 1, The control unit When a call connection signal is input during execution of the current application, the signal processor controls the signal processor to display the call connection information corresponding to the call connection signal and a message for selecting whether to connect the call. A mobile communication terminal having a plurality of screens. The method of claim 9, The control unit When a call connection signal is input while executing the current application, the signal processing unit is controlled to pause the current application to display the still image of the current application on a first display unit. Communication terminal. The method of claim 1, The second display unit In the case of a clamshell mobile communication terminal, a mobile communication terminal having a plurality of screens, characterized in that disposed on the inner surface of the main body portion provided with a keypad. The method of claim 1, The second display unit In case of a folder type mobile communication terminal, it is an external display part of a folder part. The external display unit A mobile communication terminal having a plurality of screens, characterized in that the hinge portion is provided on the upper side or side to which the folder unit and the external display unit are connected. The method of claim 1, The second display unit In the case of a slide type mobile communication terminal, the mobile communication terminal having a plurality of screens, characterized in that the slide is inserted into the rear of the sliding portion to the side or the upper side. A first step of displaying a signal of a current application on a first display unit; A second step of displaying additional information of the current application on a second display unit when additional information of the current application exists; A third step of determining whether there is a previous paused application when the current application is terminated; And And a fourth step of displaying a still image of the existing previous application on the first display unit when the paused previous application exists as a result of the determination. The method of claim 14, In the second step, if the execution command of the next application is input while executing the current application, executing the next application to display the signal of the next application on the first display unit A display method of a mobile communication terminal having a plurality of screens. The method of claim 15, And pausing the current application before the execution command of the next application is input and executing the next application. 2. The method of claim 1, further comprising: pausing the current application. The method of claim 15, further comprising displaying a still image of a paused previous application on the first display unit when the next application is terminated. . The method according to claim 14 or 17, When there is more than one paused previous application displayed on the first display unit, And displaying a still image of a last executed previous application among the one or more paused previous applications on the first display unit. The method according to claim 14 or 17, If the paused previous application exists, displaying the information on the paused previous application further comprising displaying the second display on the second display unit. The method of claim 14, Before the third step, if a call connection signal is input while executing the current application, displaying the call connection information corresponding to the call connection signal and a message for selecting whether to connect the call to the second display unit. A display method of a mobile communication terminal having a plurality of screens further comprising. The method of claim 20, Pausing the current application and displaying a still image of the current application on the first display unit before displaying the call connection information and a message for selecting whether to connect the call to the second display unit. A display method of a mobile communication terminal having a plurality of screens, characterized in that.

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