KR102089707B1 - Display apparatus and method for controlling thereof - Google Patents

Abstract

Disclosed is a control method of a display device displaying an application execution window on a screen. The control method according to the present invention may include displaying at least one window for executing an application, determining whether a lock command is input to a specific window among the at least one window, and determining that the lock command is input. And locking only the window in which the lock command is input.

Description

Display device and its control method {DISPLAY APPARATUS AND METHOD FOR CONTROLLING THEREOF}

The present invention relates to a display device and a control method thereof, and more particularly, to a display device and a control method for controlling the display of a window in which an application is executed.

A desktop computer has at least one display device (eg, monitor). A mobile device using a touch screen (eg, a mobile phone, smart phone, or tablet PC) has one display device.

The user of the desktop computer may use the screen of the display device according to the working environment by dividing the screen (eg, horizontally or vertically by dividing a plurality of windows and working). When the web browser is executed, the page up button or the page down button on the keyboard may be used to move up or down the web page. When a mouse is used instead of the keyboard, the scroll bar on the side of the web page can be selected with the mouse cursor to move up or down the web page. You can also go to the top part of the web page by selecting the top button, which is displayed as a text or icon at the bottom of the web page.

The mobile device has a smaller size of the displayed screen compared to a desktop computer, and has a limitation in input. Mobile devices are difficult to use by dividing the screen.

In addition, various applications such as basic applications produced by the manufacturer of the device and installed on the device and additional applications downloaded through an application sales site on the Internet may be executed on the mobile device. The additional applications are developed by general users and can be registered on the sales site. Therefore, anyone can freely sell their own applications to the user of the mobile device through the application sales site. Accordingly, tens to hundreds of thousands of applications are currently provided to mobile devices for free or paid depending on the product.

 As described above, various applications that stimulate consumer's curiosity and satisfy the consumer's desire are provided in the mobile device, but since the mobile device is manufactured in a portable size, the size of the display and the user interface (UI) There are limitations. Accordingly, there is a user's inconvenience in executing multiple applications on the mobile device. For example, in a mobile device, when one application is executed, the entire display area of the display is displayed. And, in order to execute another desired application, the currently running application must first be terminated, and then an execution key for executing the desired application must be selected again. That is, in the mobile device, in order to execute various applications, there is a hassle of repeating execution and termination processes for each application. In addition, a method for simultaneously executing multiple applications on a mobile device is not provided.

Meanwhile, in a mobile device, after a user executes a plurality of applications, the mobile device may be used by other users. In such a case, there is a possibility that the privacy of the user is violated, and accordingly, the development of a technology that prevents other users from using a specific application is required. The conventional screen lock technology adopts a configuration that locks the entire screen rather than a specific application, and accordingly, there is a problem that other users cannot use the mobile device itself.

The present invention solves the above-mentioned problems, and was devised in response to the above-described technology development request. The object of the present invention is to display a display device capable of locking each window rather than to lock the entire screen and a control method thereof In providing it.

In order to achieve the above, a control method of a display device displaying an application execution window on a screen according to an embodiment of the present invention includes: displaying at least one window for executing an application; Determining whether a lock command is input to a specific window among the at least one window; And if it is determined that the lock command has been input, locking only the window to which the lock command has been input.

On the other hand, the display device according to another aspect of the present invention, a touch screen for displaying at least one window for executing each application; And a controller configured to determine whether a lock command is input to a specific window among the at least one window, and to control to display only the window to which the lock command is input when the lock command is determined to be input.

On the other hand, the control method of the display device for displaying the application execution window on the screen according to another embodiment of the present invention, while the application is executed, displaying a locked window; Determining whether an unlock command is input to the locked window; Displaying the password input screen for inputting a password when the unlock command is input to the locked display window; And when a preset password is input, replacing the locked display screen of the window in which the unlocking command is inputted with an application execution screen and displaying it.

On the other hand, the display device according to another embodiment of the present invention, while the application is executed, a touch screen for displaying a locked window; And determining whether a lock release command is input to the locked window, and when the unlock command is input to the locked window, display a password input screen for entering a password, and when the preset password is input, the lock is displayed. It includes; a control unit for controlling to display by replacing the locked screen of the window input the release command with the application execution screen.

On the other hand, the display device according to another aspect of the present invention, a touch screen for displaying at least one window for executing each application; And a control unit that determines whether a lock command is input to the entire window, and when it is determined that the lock command is input, controls to display a lock on all executed windows.

On the other hand, according to another embodiment of the present invention, the control method for releasing the lock, while the application is running, a touch screen for displaying a lock window on the entire window; And determining whether an unlock command is input to at least one of the locked and displayed windows, and when the unlock command is input to the locked displayed window, displays a password input screen for entering a password, and a preset password is input. When the lock release command is input, the control unit controls to display the locked display screen of the input window by replacing it with the application execution screen.

On the other hand, according to another embodiment of the present invention, a control method of a display device displaying an application execution window on a screen includes: displaying a window executing an application outputting sound; Determining whether a lock command is input to a specific window among the at least one window; And if it is determined that the lock command has been input, controlling to not output a sound output from the window where the lock command has been input.

On the other hand, the display device according to another embodiment of the present invention, a touch screen for displaying a window for executing an application for outputting a sound; A speaker module that outputs the sound by the application; And a controller configured to determine whether a lock command is input to a specific window among the at least one window, and to control that the sound output from the window where the lock command is input is not output when it is determined that the lock command is input. do.

According to various embodiments of the present invention, a display device capable of locking each window rather than locking the entire screen and a control method thereof can be provided. Accordingly, the user can lock only the window that the other user does not want to use, so that the user's privacy can be protected. In addition, the user can lock and display the window by inputting a simple gesture, so that an effect of maximizing user convenience can be created.

1 is a schematic block diagram showing an apparatus according to an embodiment of the present invention.
2A is a perspective view of an apparatus according to an embodiment of the present invention.
2B is a conceptual diagram for explaining the framework according to the present invention.
3 is a flowchart illustrating a method of controlling a display device according to an embodiment of the present invention.
4A to 4F are conceptual views of a display device for explaining a control method of the display device of FIG. 3.
5A to 5B are conceptual diagrams for explaining an example of a split mode rather than a freestyle mode.
6 is a method of controlling a display device according to an embodiment of the present invention.
7A to 7E are conceptual views of a display device for describing a control method of the display device of FIG. 6.
8A to 8E are conceptual views illustrating a lock command and a lock release command according to another embodiment of the present invention.
9A to 9D are conceptual views illustrating a lock release command according to another embodiment of the present invention.
10A to 10E are conceptual views illustrating a lock screen according to another embodiment of the present invention.
11A to 11E are conceptual views illustrating a method of controlling a display device according to another embodiment of the present invention.
12A to 12E are conceptual views illustrating a method for controlling a display device according to another embodiment of the present invention.
13A to 13C are conceptual views of a display device according to another embodiment of the present invention.
14A to 14C are conceptual views of a display device according to another embodiment of the present invention.

Hereinafter, exemplary embodiments according to the present invention will be described in detail with reference to the contents described in the accompanying drawings. However, the present invention is not limited or limited by the exemplary embodiments. The same reference numerals in each drawing denote members that perform substantially the same function.

1 is a schematic block diagram showing an apparatus according to an embodiment of the present invention.

Referring to FIG. 1, the display device 100 may be connected to an external device (not shown) using the mobile communication module 120, the sub-communication module 130 and the connector 165. “External device” includes other devices (not shown), mobile phones (not shown), smartphones (not shown), tablet PCs (not shown), and servers (not shown).

Referring to FIG. 1, the display device 100 includes a touch screen 190 and a touch screen controller 195. In addition, the display device 100 includes a control unit 110, a mobile communication module 120, a sub communication module 130, a multimedia module 140, a camera module 150, a GPS module 155, an input / output module ( 160), a sensor module 170, a storage unit 175 and a power supply unit 180. The sub-communication module 130 includes at least one of a wireless LAN module 131 and a short-range communication module 132, and the multimedia module 140 includes a broadcast communication module 141, an audio playback module 142, and a video playback module. (143). The camera module 150 includes at least one of the first camera 151 and the second camera 152, and the input / output module 160 includes a button 161, a microphone 162, a speaker 163, vibration Motor 164, connector 165, and keypad 166.

The control unit 110 stores a signal or data input from the outside of the display device 100 or a ROM (ROM) 112 in which a control program for controlling the CPU 111, the display device 100 is stored, or the display device ( It may include a RAM (RAM, 113) used as a storage area for the work performed in 100). The CPU 111 may include a single core, dual core, triple core, or quad core. The CPU 111, the ROM 112, and the RAM 113 may be interconnected through an internal bus.

The control unit 110 includes a mobile communication module 120, a sub communication module 130, a multimedia module 140, a camera module 150, a GPS module 155, an input / output module 160, and a sensor module 170. , The storage unit 175, the power supply unit 180, the first touch screen 190a, the second touch screen 190b, and the touch screen controller 195.

The mobile communication module 120 allows the display device 100 to be connected to an external device through mobile communication using at least one- or multiple-antennas (not shown) under the control of the controller 110. The mobile communication module 120 is a mobile phone (not shown), a smart phone (not shown), a tablet PC or other device (not shown) having a phone number input to the display device 100, a voice call, a video call , Send / receive wireless signals for text messages (SMS) or multimedia messages (MMS).

The sub-communication module 130 may include at least one of a wireless LAN module 131 and a short-range communication module 132. For example, it may include only the wireless LAN module 131, only the short-range communication module 132, or both the wireless LAN module 131 and the short-range communication module 132.

The wireless LAN module 131 may be connected to the Internet in a place where a wireless access point (AP) (not shown) is installed under the control of the controller 110. The wireless LAN module 131 supports a wireless LAN standard (IEEE802.11x) of the American Institute of Electrical and Electronic Engineers (IEEE). The short-range communication module 132 may perform short-range communication wirelessly between the display apparatus 100 and an image forming apparatus (not shown) under the control of the control unit 110. The short-range communication method may include Bluetooth, infrared data association (IrDA), and the like.

The display device 100 may include at least one of a mobile communication module 120, a wireless LAN module 131, and a short-range communication module 132 according to performance. For example, the display device 100 may include a combination of the mobile communication module 120, the wireless LAN module 131, and the short-range communication module 132 according to performance.

The multimedia module 140 may include a broadcast communication module 141, an audio playback module 142, or a video playback module 143. The broadcast communication module 141 is a broadcast signal (eg, TV broadcast signal, radio broadcast signal or data broadcast signal) transmitted from a broadcast station through a broadcast communication antenna (not shown) under the control of the control unit 110, and a broadcast unit information (Eg, EPS (Electric Program Guide) or ESG (Electric Service Guide)) can be received. The audio playback module 142 may play digital audio files (eg, files having a file extension of mp3, wma, ogg, or wav) that are stored or received under the control of the controller 110. The video playback module 143 may play digital video files (eg, files having a file extension of mpeg, mpg, mp4, avi, mov, or mkv) that are stored or received under the control of the controller 110. The video playback module 143 can play digital audio files.

The multimedia module 140 may include an audio playback module 142 and a video playback module 143 except for the broadcast communication module 141. Also, the audio playback module 142 or the video playback module 143 of the multimedia module 140 may be included in the control unit 100.

The camera module 150 may include at least one of the first camera 151 and the second camera 152 for capturing a still image or a video under the control of the controller 110. Also, the first camera 151 or the second camera 152 may include an auxiliary light source (eg, a flash (not shown)) that provides an amount of light required for photographing. The first camera 151 may be disposed on the front surface of the display device 100, and the second camera 152 may be disposed on the back surface of the display device 100. In a different way, the first camera 151 and the second camera 152 are adjacent (eg, the distance between the first camera 151 and the second camera 152 is greater than 1 cm and less than 8 cm). It can be arranged to shoot a 3D still image or a 3D video.

The GPS module 155 receives radio waves from a plurality of GPS satellites (not shown) on Earth orbit, and uses a time of arrival from the GPS satellites (not shown) to the display device 100. By doing so, the position of the display device 100 can be calculated.

The input / output module 160 may include at least one of a plurality of buttons 161, a microphone 162, a speaker 163, a vibration motor 164, a connector 165, and a keypad 166.

The button 161 may be formed on the front, side, or rear of the housing of the display device 100, and the power / lock button (not shown), volume button (not shown), menu button, home button, return At least one of a back button and a search button 161 may be included.

The microphone 162 receives voice or sound under control of the controller 110 to generate an electrical signal.

The speaker 163 may control various signals (eg, wireless signals, broadcast signals, etc.) of the mobile communication module 120, the sub communication module 130, the multimedia module 140, or the camera module 150 under the control of the controller 110. A sound corresponding to a digital audio file, a digital video file, or a photo shoot) may be output to the outside of the display device 100. The speaker 163 may output a sound (for example, a button operation sound corresponding to a phone call, or a call connection sound) corresponding to a function performed by the display device 100. The speaker 163 may be formed in one or a plurality of appropriate positions or positions of the housing of the display device 100.

The vibration motor 164 may convert electrical signals into mechanical vibrations under the control of the controller 110. For example, when a voice call is received from another device (not shown), the display device 100 in the vibration mode operates the vibration motor 164. One or a plurality of housings may be formed in the housing of the display device 100. The vibration motor 164 may operate in response to a user's touch operation touching the touch screen 190 and continuous movement of the touch on the touch screen 190.

The connector 165 may be used as an interface for connecting the display device 100 and an external device (not shown) or a power source (not shown). Under the control of the control unit 110, data stored in the storage unit 175 of the display device 100 is transmitted to an external device (not shown) through a wired cable connected to the connector 165, or an external device (not shown) ) To receive data. Power may be input from a power source (not shown) or a battery (not shown) may be charged through a wired cable connected to the connector 165.

The keypad 166 may receive a key input from a user for control of the display device 100. The keypad 166 includes a physical keypad (not shown) formed on the display device 100 or a virtual keypad (not shown) displayed on the touch screen 190. The physical keypad (not shown) formed in the display device 100 may be excluded depending on the performance or structure of the display device 100.

The sensor module 170 includes at least one sensor that detects the state of the display device 100. For example, the sensor module 170 may be a proximity sensor that detects whether the user has access to the display device 100, an illuminance sensor (not shown) that detects the amount of light around the display device 100, or a display. It may include a motion sensor (not shown) that detects the operation of the device 100 (eg, rotation of the display device 100, acceleration or vibration applied to the display device 100). At least one sensor may detect a state, generate a signal corresponding to the detection, and transmit it to the controller 110. The sensor of the sensor module 170 may be added or deleted depending on the performance of the display device 100.

The storage unit 175 is a mobile communication module 120, a sub communication module 130, a multimedia module 140, a camera module 150, a GPS module 155, an input / output module under the control of the control unit 110 160, a signal or data input / output corresponding to the operation of the sensor module 170 or the touch screen 190 may be stored. The storage unit 175 may store control programs and applications for control of the display device 100 or the control unit 110.

 The term “storage unit” refers to a memory card (not shown) mounted in the storage unit 175, the control unit 110, the ROM 112, the RAM 113, or the display device 100 (eg, SD card, memory) Stick). The storage unit may include a non-volatile memory, a volatile memory, a hard disk drive (HDD) or a solid state drive (SSD).

The power supply unit 180 may supply power to one or a plurality of batteries (not shown) disposed in the housing of the display device 100 under the control of the control unit 110. One or a plurality of batteries (not shown) supplies power to the display device 100. Further, the power supply unit 180 may supply power input from an external power source (not shown) to the display device 100 through a wired cable connected to the connector 165.

The touch screen 190 may provide a user interface corresponding to various services (eg, calls, data transmission, broadcasting, and photography) to the user. The touch screen 190 may transmit an analog signal corresponding to at least one touch input to the user interface to the touch screen controller 195. The touch screen 190 may receive at least one touch through a user's body (eg, a finger including a thumb) or a touchable input means (eg, a stylus pen). Also, the touch screen 190 may receive a continuous movement of one touch among at least one touch. The touch screen 190 may transmit an analog signal corresponding to the continuous movement of the input touch to the touch screen controller 195.

In the present invention, the touch is not limited to the contact between the touch screen 190 and the user's body or touchable input means, and a non-contact (eg, the touch screen 190 and the user's body or touchable input means are detectable intervals). 1 mm or less). The interval detectable on the touch screen 190 may be changed according to the performance or structure of the display device 100.

The touch screen 190 may be implemented by, for example, a resistive method, a capacitive method, an infrared method, or an ultrasonic wave method.

The touch screen controller 195 converts the analog signal received from the touch screen 190 into a digital signal (eg, X and Y coordinates) and transmits it to the control unit 110. The control unit 110 may control the touch screen 190 using a digital signal received from the touch screen controller 195. For example, the controller 110 may cause a shortcut icon (not shown) displayed on the touch screen 190 to be selected or execute a shortcut icon (not shown) in response to the touch. Also, the touch screen controller 195 may be included in the control unit 110.

2A is a perspective view of an apparatus according to an embodiment of the present invention.

Referring to FIG. 2A, the touch screen 190 is disposed at the center of the front surface 100a of the display device 100. The touch screen 190 is largely formed to occupy most of the front surface 100a of the display device 100. A first camera 151 and an illuminance sensor 170a may be disposed on the edge of the front surface 100a of the display device 100. The side 100b of the display device 100 includes, for example, a power / reset button 160a, a volume button 161b, a speaker 163, a terrestrial DMB antenna 141a for broadcast reception, a microphone (not shown), A connector (not shown) may be disposed, and a second camera (not shown) may be disposed on the back (not shown) of the display device 100.

The touch screen 190 includes a main screen 210 and a bottom bar 390. In FIG. 2A, the display device 100 and the touch screen 190 are arranged such that the length in each horizontal direction is greater than the length in the vertical direction. In this case, the touch screen 190 is defined as being arranged in a horizontal direction.

The main screen 196 is an area in which one or more applications are executed. 2A shows an example in which a home screen is displayed on the touch screen 190. The home screen is the first screen displayed on the touch screen 190 when the display device 100 is turned on. On the home screen, execution keys 197 for executing a plurality of applications stored in the display device 100 are displayed arranged in rows and columns. The execution keys 197 may be formed of icons, buttons, text, or the like. When each execution key 197 is touched, an application corresponding to the touched execution key 197 is executed and displayed on the main screen 196.

The bottom bar 390 is elongated in the horizontal direction from the bottom of the touch screen 190, and includes standard function buttons 391 to 394. The home screen move button 391 displays the home screen on the main screen 196. For example, when the home screen moving key 391 is touched while applications are being executed on the main screen 196, the home screen shown in FIG. 2A is displayed on the main screen 196. The back button 392 displays a screen that was executed immediately before the currently executing screen, or terminates the most recently used application. The multi-view mode button 393 displays applications on the main screen 196 in a multi-view mode according to the present invention. The mode switching button 394 displays a plurality of currently executing applications by switching to different modes on the main screen 196. For example, when the mode switch button 394 is touched, the display device 100 freely displays a plurality of applications at the same location, and a freestyle mode in which some of the applications are overlapped, and the plurality of applications The split mode may be switched between split modes displayed separately on different areas on the main display screen 196.

In addition, an upper bar (not shown) may be formed on the top of the touch screen 190 to display the state of the display device 100 such as a battery charging state, a received signal strength, and a current time.

Meanwhile, the lower bar 390 and the upper bar (not shown) are displayed on the touch screen 190 according to an operating system (OS) of the display device 100 or an application executed in the display device 100. It may not be. If both the lower bar 390 and the upper bar (not shown) are displayed on the touch screen 190, the main screen 196 may be formed in the entire area of the touch screen 190. In addition, the lower bar 390 and the upper bar (not shown) may be translucently displayed on the main screen 196.

2B is a conceptual diagram for explaining the framework according to the present invention.

2B, in the framework 270, the activity manager 291, the window manager 292, and the view system 294 may be compatible with the multi-window framework 400. Here, the compatibility with the multi-window framework 400 may be, for example, an API (Application Program Interface) call.

The multi-window framework 400 includes a multi-window manager 320 and a multi-window service 330.

The activity manager 291, the window manager 292, and the view system 294 may perform a function of calling an application program interface (API) 311,312,313,314 for multi windows. Meanwhile, as will be described later in more detail, the window manager 292 may generate title bars for each window.

The multi-window manager 320 provides the function of the multi-window service 330 to the user in the form of an API, and the Manager / Service structure can operate based on IPC.

The multi-window service 330 tracks the lifecycle of applications executed by the multi-window, and manages states such as the size and location of each application.

The called API can manage the size, position, and visibility of each window.

As described above, the framework according to the present invention can be performed by providing an independent multi-window framework to call an API.

In addition, the application layer 260 may directly call 404 the API from the multi-window manager 320. That is, the user can receive and use the API provided from the multi-window manager 320 even when developing a new application.

As described above, the present invention adopts a multi-window framework 400 and can display two or more applications simultaneously.

3 is a flowchart illustrating a method of controlling a display device according to an embodiment of the present invention. The control method of the display device of FIG. 3 will be described with reference to conceptual diagrams of FIGS. 4A to 4F.

The display device may display on a touch screen that displays at least one window that executes each application (S301). 4A is a conceptual diagram of a screen displayed in step S301.

4A, first windows 411 and 412, second windows 421 and 422, and third windows 431 and 432 are displayed on the touch screen 410 of the display device 400. The first windows 411 and 412 may include a first title bar 411 and an execution screen 412 of the first application. The second windows 421 and 422 may include a second title bar 421 and an execution screen 422 of the second application. The third windows 431 and 432 may include a third title bar 431 and an execution screen 432 of the third application.

The window may be an area including an execution screen of a specific application and a title bar and a control area for an application to be executed. Objects related to the application may be displayed on the execution screen of the application. Objects may be made of various shapes such as text, shapes, icons, buttons, checkboxes, photos, videos, web, maps, and the like. When an object is touched by a user, it may be performed in an application to which a predetermined function or event corresponds to the object. The object may be called a view depending on the operating system. The title bar may include at least one control key that controls the display of the window. For example, the control key may be a window display minimize button, a window display maximize button, and a window end button.

Meanwhile, the applications are programs implemented independently of each other by a display device 400 manufacturer or an application developer. Accordingly, it is not required that another application is executed in advance in order to execute one application. In addition, even if one application is terminated, other applications may continue to run.

Since the applications are programs implemented independently of each other, a composite function application (or dual) in which some functions (memo function, message transmission / reception function) provided by another application in one application (for example, a video application) is added Application). However, the composite function application is a single application newly manufactured to have various functions, and is different from existing applications. Therefore, the composite function application does not provide various functions like the existing applications, provides limited functions, and the user has a burden of separately purchasing the new composite function application.

Meanwhile, the first windows 411 and 412, the second windows 421 and 422, and the third windows 431 and 432 may be displayed in a freestyle mode, which is displayed at an unconstrained position with different sizes, respectively. Although not illustrated, the first windows 411 and 412, the second windows 421 and 422, and the third windows 431 and 432 may be displayed overlapping, respectively.

On the first title bar 411, at least one control key for controlling the display of the first window may be included. For example, the control key may be a first window display minimize button, a first window display maximize button, and a first window end button.

Meanwhile, the display device 400 controls to further display the first lock control button 413 on the first title bar 411 on the touch screen 410. Here, the first lock control button 413 may be a button designated for a lock display command or a lock display release command of the first windows 411 and 412. More specifically, the window manager 292 or the multi window manager 320 of FIG. 2B includes a first title bar 411, a second title bar 412, and a third title bar 413. The first lock control button 413, the second lock control button 423, and the third lock control button 433 are displayed in each phase.

Meanwhile, the display device 400 further includes a front camera module 401, which will be described later in more detail.

Referring back to FIG. 3, after the step (S301) of displaying at least one window for executing each application, the display device 400 may determine whether a lock command is input to a specific window among the at least one window. (S303).

4B is a conceptual diagram of a screen displayed in step S303. In the embodiment of FIG. 4B, a lock command for a specific window, for example, the second windows 421 and 422 may be a gesture of touching (424) the second lock control button 423.

Referring to FIG. 3 again, when it is determined that the lock command is input (S303-Y), the display device 400 locks only the window in which the lock command is input (S305). 4C is a conceptual diagram in which only the second windows 421 and 422 to which the lock command has been input are locked.

As illustrated in FIG. 4C, the second lock display screen 425 may be displayed by replacing the execution screen 422 of the second application with another screen that cannot be identified. When the window is locked, the controller (not shown) may not process the gesture input on the window. For example, the control unit (not shown) controls to generate a dummy view (not shown) on the second lock display screen 425, and a gesture input on the second lock display screen 425 It can be controlled to be dispatched to the dummy view (not shown). Accordingly, even if another user inputs a predetermined gesture on the second lock display screen 425, the controller (not shown) may control the second application so that a command corresponding to the gesture is not input.

Other users may use the first application and the third application to which the lock command is not input. However, another user cannot use the second application that is locked by inputting a lock command.

Hereinafter, the lock command according to various embodiments of the present invention will be described with reference to FIGS. 4D to 4F.

4D is a conceptual diagram illustrating a process of locking and displaying the second windows 421 and 422. In the embodiment of FIG. 4D, the lock command may be a drag input 426 from the second title bar 421 downward. More specifically, the lock command may be a drag input of a predetermined distance or more downward from the second title bar 421. The preset distance can be changed. The above-described drag input to the downward direction may conform to a user's intuition with a gesture of closing a window to be locked.

The control unit (not shown) may recognize the drag input 426 downward from the second title bar 421 as a lock command, and accordingly, the second application screen 422 as shown in FIG. 4C as the second lock screen ( 425).

4E is a conceptual diagram illustrating a process of locking and displaying the second windows 421 and 422. In the embodiment of FIG. 4E, the lock command may be a gesture that covers the camera module 401. At the same time as the user 10 covers the camera module 401, the amount of light incident to the camera module 401 may be less than a threshold, and the control unit (not shown) controls the user 10 to hide the camera module 401. Gestures can be recognized. The controller (not shown) may confirm that the user inputs a lock command based on the recognized gesture.

The control unit (not shown) controls to display the window having the highest task ranking. The task rank means a rank in the task stack, and a high task rank may be set in an application to which a control event has been recently input. In the embodiment of FIG. 4E, it is assumed that the second application has the highest task rank.

The control unit (not shown) may recognize a gesture that covers the camera module 401 as a lock command, thereby controlling the second application screen 422 shown in FIG. 4C to be replaced by the second lock screen 425. You can.

4F is a conceptual diagram illustrating a process of locking and displaying the second windows 421 and 422 according to another embodiment of the present invention. In the embodiment of FIG. 4F, the lock command may be a gesture that covers a specific window, and a gesture for covering the first windows 411 and 412 is assumed.

As shown in FIG. 4F, when the user 10 covers the first windows 411 and 412, the camera module 401 may photograph 440 a gesture that covers the first window 411 and 412 described above. The controller (not shown) may recognize that the user 10 hides the first windows 411 and 412 based on the photographing information, and may confirm that the user inputs a lock command based on the recognized gesture. The controller (not shown) may recognize a gesture that hides a specific window for a predetermined time as a lock command in order to distinguish a gesture for a lock command from a gesture that is normally covered by a window.

Meanwhile, it is a simple example to recognize a lock command based on the above-described shooting information, and the control unit (not shown) may determine that the first windows 411 and 412 are blocked by the touch of the user's palm. For example, the control unit (not shown) may determine that a touch of a predetermined area or more is input on the first windows 411 and 412, thereby determining that the user covers the first windows 411 and 412 with a touch of the palm. can do.

The control unit (not shown) controls the first application screen 412 to which the lock command is input to be displayed by replacing the lock screen (not shown).

As described above, the display device according to the present invention can receive various types of lock commands. In addition, the display device controls to lock and display only the window in which the lock command is input, thereby creating an effect that enables the continuous use of the remaining windows.

However, the fact that the application is locked does not mean that the application is stopped. Depending on the type or nature of the application, it can be in an activated state or a stopped state. For example, in the case of the media play, the music playback is continuously activated even in the locked state, whereas in the case of the video play, the video play is changed to the stopped state in the locked state.

Hereinafter, in FIGS. 5A to 5B, an example of a split mode rather than a freestyle mode is illustrated.

5A is a conceptual diagram of a screen displayed in step S301.

As illustrated in FIG. 5A, the first windows 511 and 512 and the second windows 521 and 522 are displayed on the touch screen 510 of the display device 500. The first windows 511 and 512 may include a first title bar 511 and an execution screen 512 of the first application. The second windows 521 and 522 may include a second title bar 521 and an execution screen 522 of the second application. Meanwhile, in contrast to FIG. 4A, in FIG. 5A, the first windows 511 and 512 and the second windows 521 and 522 are displayed without overlapping while sharing a boundary line. For example, the first windows 511 and 512 may be displayed on the left half of the entire touch screen 510, and the second windows 521 and 522 may be displayed on the right half of the entire touch screen 510.

On the first title bar 511, at least one control key for controlling the display of the first window may be included. For example, the control key may be a first window display minimize button, a first window display maximize button, and a first window end button.

Meanwhile, the display apparatus 500 controls to further display the first lock control button 513 on the first title bar 511 on the touch screen 510. Meanwhile, the display device 500 further includes a front camera module 501, which will be described later in more detail.

In the embodiment of FIG. 5B, a lock command for a specific window, for example, the second windows 521 and 522 may be a gesture to touch 524 the second lock control button 523.

If it is determined that a lock command is input, the display device 500 locks only the window to which the lock command is input. 5C is a conceptual diagram in which only the second windows 521 and 522 to which the lock command has been input are locked.

As illustrated in FIG. 5C, the second lock display screen 525 may be displayed by replacing the execution screen 522 of the second application with another screen that cannot be identified. Here, the second lock screen may have a different color or a different brightness from the execution screen 522 of the second application. Alternatively, the second lock screen may include a lock-shaped view in the center.

Other users may use the first application to which the lock command is not input. However, another user cannot use the second application that is locked by inputting a lock command.

Hereinafter, the lock command according to various embodiments of the present invention will be described with reference to FIGS. 5D to 5F.

5D is a conceptual diagram illustrating a process of locking and displaying the second windows 521 and 522. In the embodiment of FIG. 5D, the lock command may be a drag input 526 from the second title bar 521 downward. More specifically, the lock command may be a drag input of a predetermined distance or more downward from the second title bar 521. The preset distance can be changed.

The control unit (not shown) may recognize the drag input 526 downward from the second title bar 521 as a lock command, and accordingly the second application screen 522 as shown in FIG. 525).

5E is a conceptual diagram illustrating a process of locking and displaying the second windows 521 and 522. In the embodiment of FIG. 5E, the lock command may be a gesture covering the camera module 501. At the same time as the user 10 covers the camera module 501, the amount of light incident to the camera module 501 may be less than a threshold, and the control unit (not shown) controls the user 10 to hide the camera module 501. Gestures can be recognized. The controller (not shown) may confirm that the user inputs a lock command based on the recognized gesture.

The control unit (not shown) controls to display the window having the highest task ranking. In the embodiment of FIG. 5E, it is assumed that the second application has the highest task rank.

The control unit (not shown) may recognize a gesture that masks the camera module 501 as a lock command, thereby controlling the second application screen 522 shown in FIG. 5C to be replaced by the second lock screen 525. You can.

5F is a conceptual diagram illustrating a process of locking and displaying second windows 521 and 522 according to another embodiment of the present invention. In the embodiment of FIG. 5F, the lock command may be a gesture that covers a specific window, and a gesture that covers the first windows 511 and 512 is assumed.

As shown in FIG. 5F, when the user 10 hides the first windows 511 and 512, the camera module 501 may photograph 540 the gesture covering the first windows 511 and 512 described above. The controller (not shown) may recognize that the user 10 hides the first windows 511 and 512 based on the photographing information, and may confirm that the user inputs a lock command based on the recognized gesture. For example, the controller (not shown) may recognize a gesture in which a palm of the user exists longer than a preset time in a portion corresponding to the left side of the touch screen 510 as a lock command.

Meanwhile, it is a simple example to recognize a lock command based on the above-described shooting information, and the control unit (not shown) may determine that the first windows 511 and 512 are blocked by the touch of the user's palm. The lock command input by the touch of the palm will be described later in more detail.

The control unit (not shown) controls the first application screen 512 to which the lock command is input to be displayed by replacing the lock screen (not shown).

As described above, the display device according to the present invention can receive various types of lock commands in the split mode as well as the freestyle mode. The display device controls to lock and display only the window in which the lock command is input, thereby creating an effect that enables the continuous use of the remaining windows.

6 is a method of controlling a display device according to an embodiment of the present invention. In FIG. 6, a process of unlocking a window marked with lock will be described. The control method of FIG. 6 will be described with reference to FIGS. 7A to 7E.

The display device displays at least one window in which at least one is locked (S601). As shown in FIG. 7A, the first windows 711,712, the second windows 721,725, and the third windows 731,732 are displayed on the touch screen 710 of the display device 700. The first windows 711 and 712 may include a first title bar 711 and an execution screen 712 of the first application. The second windows 721 and 725 may include a second title bar 721 and a second lock screen 725. The third windows 731 and 732 may include a third title bar 731 and an execution screen 732 of the third application. That is, the user may input a lock command to the second windows 721 and 725 prior to FIG. 7A. In response, the display apparatus 700 replaces and displays the execution screen (not shown) of the second application with the second lock screen 725. Meanwhile, the first lock control button 713 is displayed on the first title bar 711, and the second lock control button 723 is displayed on the second title bar 721, and the third title bar On 731, a third lock control button 733 is displayed.

Referring again to FIG. 6, the control unit may determine whether a lock release command is input to the locked window (S603). In FIG. 7A, the unlock command may be a gesture of touching a lock control button of a locked window. As in FIG. 7A, when the second lock control button 723 on the second title bar 721 is touched, the controller (not shown) may determine that a lock release command is input.

Referring to FIG. 6 again, when a lock release command is input to the locked window (S603-Y), the display device may receive a password (S605). More specifically, the display device provides a screen through which a password can be input, and a password can be input into the provided screen.

7C is a conceptual diagram of a password input screen capable of inputting a password according to an embodiment of the present invention. As shown in FIG. 7C, the password input screen 726 includes a four-digit input space, which means that the password is composed of four digits. The user can enter a password by entering a four-digit number. However, the password input screen 726 is merely exemplary, and may further include a keypad interface capable of touching numbers. In addition, it is merely an example that the password is composed of four digits, and may be formed of a combination of numbers / numbers without limitation. In this case, the password input screen 726 may further include a keyboard interface rather than a keypad interface.

The controller (not shown) may replace the second lock screen 725 with the second application screen 722 as shown in FIG. 7D according to whether the input password is matched with the preset password and match. Meanwhile, the control unit (not shown) may control to display the initial application screen by restarting the second application screen 722. Alternatively, the control unit (not shown) controls to store the execution state of the application at the time the lock command is input, and when the unlock command is input, the application screen may be restarted according to the execution state of the application at the time the lock command is input. . Alternatively, the control unit (not shown) may control the execution state not to be displayed while maintaining the execution of the application even when a lock command is input. In this case, when a lock release command is input, the controller (not shown) may control the execution state to be displayed.

8A to 8E are conceptual views illustrating a lock command and a lock release command according to another embodiment of the present invention.

In FIG. 8A, the windows 811 and 812 may include a title bar 811 and an application execution screen 812. A lock control button 813 may be displayed on the title bar 811. Meanwhile, the lock command in FIG. 8A may be a drag gesture downward from the title bar 811. For example, the lock command may be a drag gesture using the title bar 811 as a starting point and a specific point 815 as an ending point.

In FIG. 8B, the control unit (not shown) controls to display the lock screen 821 in response to the input lock command. The control unit (not shown) controls the position of the title bar 811 to be changed to the end point 815 of the drag gesture in FIG. 8A and displayed.

The unlock command in FIG. 8C may be an upward drag gesture from the title bar 811. The controller (not shown) controls to display the password input screen 840 as shown in FIG. 8D in response to the upward drag gesture. The control unit (not shown) controls the title bar 811 to be displayed at the top again. When a preset password is input, the control unit (not shown) controls to display the application execution screen 812 again.

As described above, the user can input a lock command or a unlock command according to a change in the position of the title bar 811, so that the user's intuition can be met.

9A to 9D are conceptual views illustrating a lock release command according to another embodiment of the present invention.

As shown in FIG. 9A, a first window 911,912, a second window 921,925 and a third window 931,932 are displayed on the touch screen 910 of the display device 900. The first windows 911 and 912 may include a first title bar 911 and an execution screen 912 of the first application. The second windows 921 and 925 may include a second title bar 921 and a second lock screen 925. The third windows 931 and 932 may include a third title bar 931 and an execution screen 932 of the third application. That is, the user may input a lock command to the second windows 921 and 925 before FIG. 9A. In response, the display device 900 replaces and displays the execution screen (not shown) of the second application with the second lock screen 925. Meanwhile, the first lock control button 913 is displayed on the first title bar 911, and the second lock control button 923 is displayed on the second title bar 921, and the third title bar On 393, a third lock control button 933 is displayed.

In FIG. 9B, the unlock command may be a drag gesture upward from a lower boundary line of the lock screen. The user may input an upward drag gesture 960 from the lower boundary of the second lock screen 925 to unlock the second windows 921 and 925. The control unit (not shown) controls to display the password input screen 926 as shown in FIG. 9C in response to the input unlock command. When a preset password is input, the control unit (not shown) controls the second lock screen 925 to be replaced with the second application screen 922 as shown in FIG. 9D.

10A to 10E are conceptual views illustrating a lock screen according to another embodiment of the present invention.

As shown in FIG. 10A, the first windows 1011 and 1012, the second windows 1021 and 1021, and the third windows 1031 and 1032 are displayed on the touch screen 1010 of the display apparatus 1000. The first windows 1011 and 1012 may include a first title bar 1011 and an execution screen 1012 of the first application. The second windows 1021 and 1025 may include a second title bar 1021 and a second application execution screen 1025. The third windows 1031 and 1032 may include a third title bar 1031 and an execution screen 1032 of the third application. On the other hand, the first lock control button 1013 is displayed on the first title bar 1011, while the second lock control button 1023 is displayed on the second title bar 1021, and the third title bar A third lock control button 1033 is displayed on 1031. In FIG. 10A, the lock command may be a gesture to touch 1030 the second lock control button 1023.

When a lock command is input, the control unit (not shown) controls to display the second lock screen. 10B is a conceptual diagram for displaying a lock screen according to an embodiment of the present invention. As shown in FIG. 10B, the control unit (not shown) controls the second title bar 1040 to be located at the bottom of the touch screen 1010, and also does not display the second application execution screen 1022. . Accordingly, another user cannot execute the second application. In addition, even if another user touches the second title bar 1040, the control unit (not shown) controls not to process the gesture input to the second title bar 1040.

In FIG. 10C, the unlock command is to touch the lock control button 1050. When a lock release command is input, the control unit (not shown) controls to display the password input screen 1060. In more detail, the control unit (not shown) returns the second title bar 1040 disposed at the bottom of the touch screen 1010 in FIG. 10C to a position that was placed before the lock command as shown in FIG. 10D and displays it. Control. When a preset password is input, the control unit (not shown) controls to display the second application screen 1022 as shown in FIG. 10E.

11A to 11E are conceptual views illustrating a method of controlling a display device according to another embodiment of the present invention.

11A, the first windows 1111 and 1112, the second windows 1121 and 1121, and the third windows 1131 and 1132 are displayed on the touch screen 1110 of the display device 1100. The first windows 1111 and 1112 may include a first title bar 1111 and an execution screen 1112 of the first application. The second windows 1121 and 1125 may include a second title bar 1121 and a second application execution screen 1125. The third windows 1131 and 1132 may include a third title bar 1131 and an execution screen 1132 of the third application. Meanwhile, the first lock control button 1113 is displayed on the first title bar 1111, and the second lock control button 1123 is displayed on the second title bar 1121, and the third title bar On 1113, a third lock control button 1133 is displayed. In FIG. 11A, the lock command may be a drag gesture 1130 downward from the second lock control button 1123.

When a lock command is input, the control unit (not shown) controls to display the second lock screen. 11B is a conceptual diagram for displaying a lock screen according to an embodiment of the present invention. As shown in FIG. 11B, the control unit (not shown) controls the second title bar 1140 to be located at the bottom of the touch screen 1110, and also does not display the second application execution screen 1122. . Accordingly, another user cannot execute the second application. In addition, even if another user touches the second title bar 1140, the controller (not shown) controls not to process the gesture input to the second title bar 1140.

The unlock command in FIG. 11C is to touch the lock control button 1150. When a lock release command is input, the control unit (not shown) controls to display the password input screen 1160. Here, the unlock command may be an upward drag gesture 1150 from the lock control button 1123. More specifically, the control unit (not shown) displays the second title bar 1140 disposed at the bottom of the touch screen 1110 in FIG. 11C by returning to the position that was placed before the lock command as in FIG. 11D. Control. When a preset password is input, the control unit (not shown) controls to display the second application screen 1122 as shown in FIG. 11E.

12A to 12E are conceptual views illustrating a method for controlling a display device according to another embodiment of the present invention.

12A, first windows 1211 and 1212 and second windows 1221 and 1221 are displayed on the touch screen 1210 of the display device 1200. The first windows 1211 and 1212 may include a first title bar 1211 and an execution screen 1212 of the first application. The second windows 1221 and 1225 may include a second title bar 1221 and a second application execution screen 1225. Meanwhile, the first lock control button 1213 is displayed on the first title bar 1211, and the second lock control button 1223 is displayed on the second title bar 1221. Meanwhile, the first windows 1211 and 1212 may be displayed while covering the second windows 1221 and 1222. When the display areas of the first windows 1211 and 1212 and the second windows 1221 and 1222 overlap, the control unit (not shown) may check the task ranking of the first application and the second application. The control unit (not shown) may confirm that the task ranking of the first application is set higher than the task ranking of the second application, so that the first windows 1211 and 1212 overlap the second windows 1221 and 1222 in overlapping portions. It can be marked to cover.

Meanwhile, the user may input a batch lock command for both the first windows 1211 and 1212 and the second windows 1221 and 1222. For example, the user may simultaneously touch the first lock control button 1213 and the second lock control button 1223. Alternatively, the user may simultaneously input a downward drag gesture from the first title bar 1211 and a downward drag gesture from the second title bar 1221. Alternatively, the user may input a batch lock command with a gesture that covers the camera module 1201.

When a batch lock command is input, the control unit (not shown) controls to display the first application execution screen 1212 by replacing it with the first lock screen 1214 as shown in FIG. 12B, and displays the second application execution screen 1222. The display is replaced with the first lock screen 1224.

In FIG. 12C, a user may input a lock release command for an application to be used, for example, a second application. For example, the user may unlock the second windows 1221 and 1225 by touching 1230 the second lock control button 1223. When a lock release command is input, the control unit (not shown) controls to display the password input screen 1225 as shown in FIG. 12D. When a preset password is input, the controller (not shown) controls to display the second lock screen 1225 by replacing the second application execution screen 1222 as shown in FIG. 12E.

13A to 13C are conceptual views of a display device according to another embodiment of the present invention.

13A, first windows 1311 and 1312 and second windows 1321 and 1321 are displayed on the touch screen 1310 of the display device 1300. The first windows 1311 and 1312 may include a first title bar 1311 and an execution screen 1312 of the first application. The second windows 1321 and 1325 may include a second title bar 1321 and a second application execution screen 1325. Meanwhile, a first lock control button 1313 is displayed on the first title bar 1311, and a second lock control button 1323 is displayed on the second title bar 1321. In FIG. 13A, the user may input a lock command to the first windows 1311 and 1312 by touching the first lock control button 1313.

When a lock command for the first windows 1311 and 1312 is input, the control unit (not shown) controls the first windows 1311 and 1312 to not be displayed as shown in FIG. 13B. For example, the control unit (not shown) may control the display positions of the first windows 1311 and 1312 to be set at a point outside the coordinates set on the touch screen 1310. Alternatively, the control unit (not shown) sets the transparency of the first windows 1311 and 1312 to 0, so that the first windows 1311 and 1312 are not displayed.

The user may input a lock release command as shown in FIG. 13C. In FIG. 13C, the unlocking command may be a tilting or shaking gesture of the display device 1300 from side to side.

When a lock release command is input, the control unit (not shown) controls the password input screen 1314 to be displayed as shown in FIG. 13D.

14A to 14C are conceptual views of a display device according to another embodiment of the present invention.

In FIG. 14A, the display device executes an application set to output a predetermined sound, for example, a video player. The display device displays windows 1411 and 1412. The windows 1411 and 1412 include a title bar 1411 and a video player execution screen 1412. In addition, the audio module 1402 outputs the sound 11 output from the video player.

In FIG. 14B, the user 10 may cover the windows 1411, 1412. The control unit (not shown) may check a gesture of covering the windows 1411 and 1412 by the image captured from the camera module 1401. Alternatively, the control unit (not shown) may confirm that the user 10 touches the windows 1411 and 1412 over a predetermined area and gestures to cover the windows 1411 and 1412. The control unit (not shown) may recognize the gesture as an audio lock command, and accordingly control so that the sound 11 is not output. In addition, the user 10 may operate to output sound again by not covering the windows 1411 and 1412.

As illustrated in FIG. 14C, when the two applications that output sound are executed, the user 10 may cover the second windows 1451 and 1452 so that the sound output from the second application is not output.

It will be appreciated that embodiments of the invention are feasible in the form of hardware, software or a combination of hardware and software. Any such software may be, for example, volatile or non-volatile storage, such as a storage device such as a ROM, or memory, such as a RAM, memory chip, device or integrated circuit, regardless of whether it is erasable or rewritable. Alternatively, it may be stored in a storage medium readable by a machine (eg, a computer) while being optically or magnetically recordable, for example, a CD, DVD, magnetic disk, or magnetic tape. The method for updating a graphic screen of the present invention may be implemented by a computer or a portable terminal including a control unit and a memory, and the memory is a machine suitable for storing programs or programs including instructions for implementing embodiments of the present invention. You will see that it is an example of a readable storage medium. Accordingly, the present invention includes a program comprising code for implementing the apparatus or method described in any claim of the present specification and a storage medium readable by a machine (computer, etc.) storing the program. In addition, these programs can be transferred electronically through any medium, such as communication signals, transmitted over a wired or wireless connection, and the present invention suitably includes this equivalent.

In addition, the device may receive and store the program from a program providing device connected by wire or wirelessly. The program providing device is configured to perform a wired or wireless communication with a memory for storing a program including instructions for allowing the graphic processing device to perform a predetermined content protection method, information necessary for the content protection method, and the graphic processing device. It may include a communication unit for performing, and a controller for automatically requesting the graphic processing device or transmitting the corresponding program to the transceiver.

Claims (44)

A method for controlling a mobile terminal,
Displaying a plurality of windows displaying a first screen corresponding to a locked state on the touch screen of the mobile terminal-each of the plurality of windows executes the corresponding application, and the first screen displays the content of the corresponding application Does not contain-;
A method of detecting a lock release command input to a specific window among the plurality of windows; In the method for controlling the mobile terminal,
Displaying a plurality of windows displaying a first screen corresponding to a locked state on the touch screen of the mobile terminal-each of the plurality of windows executes the corresponding application, and the first screen displays the content of the corresponding application Without including, at least one window among the plurality of windows in the locked state is located in the lower area of the touch screen, and the at least one window located in the lower area displays a title bar as the first screen. -;
Detecting a lock release command input to a specific window among the plurality of windows in the locked state;
Among the plurality of windows, at least one window excluding the specific window displays the first screen, and a second screen including an interface for unlocking the specific window by inputting a password corresponds to the specific window Displaying through a first window, wherein the second screen does not include content of an application corresponding to the specific window;
Obtaining the password for unlocking the specific window through the interface included in the second screen while the content of the application corresponding to the specific window is not displayed; And
When the password matches a preset password, while each of the at least one remaining window except the specific window is displaying the first screen, an execution screen of an application corresponding to the specific window is displayed on the first window. Including actions,
The unlock command is a method of controlling a mobile terminal including a drag gesture in an upward direction with respect to the specific window.
delete According to claim 1, The operation of displaying the execution screen of the application,
And changing the specific window from a locked state to a unlocked state. According to claim 1, The operation of detecting the unlock command,
And detecting that a lock release control button is touched on the specific window. According to claim 1, The operation of detecting the unlock command,
And detecting, on the specific window, a drag gesture in an upward direction from a title bar included in the specific window toward an upper boundary of the specific window. According to claim 1, The operation of detecting the unlock command,
And detecting, on the specific window, a drag gesture in an upward direction directly from a lower boundary of the specific window toward a title included in the specific window. delete The method of claim 1, wherein displaying the second screen comprises:
And when the first screen is located at the bottom of the touch screen, displaying the second screen by changing to a position before the locked state of the specific window. According to claim 1, The operation of detecting the unlock command,
And detecting a gesture for tilting or shaking the mobile terminal in at least one of a left direction and a right direction. According to claim 1, The operation of displaying the execution screen of the application,
Restarting the application to display contents in an initial state; or
And displaying content of an execution state of the application when the specific window is locked. In the mobile terminal,
touch screen; And
And at least one processor connected to the touch screen, wherein the at least one processor comprises:
A plurality of windows displaying a first screen corresponding to a locked state is displayed on the touch screen-each of the plurality of windows executes the corresponding application, and the first screen does not include the content of the corresponding application, At least one window among the plurality of windows in the locked state is positioned in a lower region of the touch screen, and the at least one window positioned in the lower region displays a title bar as the first screen-,
A lock release command input to a specific window among the plurality of windows in the locked state is detected,
Among the plurality of windows, at least one window excluding the specific window displays the first screen, and a second screen including an interface for unlocking the specific window by inputting a password corresponds to the specific window Displayed through a first window to be displayed-the second screen does not include the content of the application corresponding to the specific window-,
While the content of the application corresponding to the specific window is not displayed, the password for unlocking the specific window is acquired through the interface included in the second screen, and
If the password matches a preset password, while each of the at least one remaining window except the specific window is displaying the first screen, an execution screen of an application corresponding to the specific window is displayed on the first window. Being set,
The unlocking command includes a drag gesture in an upward direction with respect to the specific window.
delete The method of claim 11, wherein the at least one processor,
A mobile terminal set to change the specific window from the locked state to the unlocked state. The method of claim 11, wherein the at least one processor,
A mobile terminal set to determine that the unlocking control button is touched on the specific window as the unlocking command. The method of claim 11, wherein the at least one processor,
On the specific window, a mobile terminal set to determine an upward drag gesture from a title bar included in the specific window toward an upper boundary of the specific window as the unlock command. The method of claim 11, wherein the at least one processor,
On the specific window, a mobile terminal set to determine an upward drag gesture from a lower boundary of the specific window toward a title included in the specific window as the unlock command. delete The method of claim 11, wherein the at least one processor,
When the first screen is located at the bottom of the touch screen, the mobile terminal is set to display the second screen by changing to a position before the lock state of the specific window. The method of claim 11, wherein the at least one processor,
A mobile terminal configured to determine a gesture for tilting or shaking the mobile terminal in at least one of a left direction and a right direction as the unlock command. The method of claim 11, wherein the at least one processor,
A mobile terminal set to display contents in an initial state by restarting the application or contents in an execution state of the application when the specific window is locked.


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