KR101335426B1 - Portable terminal and keypad displaying method thereof - Google Patents

Abstract

The present invention relates to a portable terminal and a method for displaying a keypad thereof. The present invention relates to a first display area into which data is input, a second display area including a keypad for inputting data, and a predetermined factor. And controlling the display unit to display scroll means for scrolling the keypad when the second display area becomes smaller than a predetermined size. As described above, the present invention displays the keypad using the scroll function, so that the display area for displaying the edited contents is enlarged so that the user can check more edited contents.

Touch screen, keypad, scrolling

Description

Mobile terminal and its keypad display method {PORTABLE TERMINAL AND KEYPAD DISPLAYING METHOD THEREOF}

1 is a block diagram of a portable terminal according to the present invention

2 is a perspective view of a mobile terminal according to the present invention;

3 is a diagram illustrating a screen displaying scroll means on a mobile terminal according to an embodiment of the present invention.

4 is a flowchart illustrating a method of displaying a keypad by a portable terminal according to an exemplary embodiment of the present invention.

5 is a diagram illustrating a screen displaying a keypad of a mobile terminal according to an embodiment of the present invention.

6 is a flowchart illustrating a method of displaying a keypad by a mobile terminal according to an exemplary embodiment of the present invention.

7 is a diagram illustrating a screen of a mobile terminal according to the embodiment of FIG. 6.

8 is a flowchart illustrating a method in which a mobile terminal displays a keypad according to another embodiment of the present invention.

9 is a diagram illustrating a screen of a mobile terminal according to the embodiment of FIG. 8.

10 is a flowchart illustrating a method for displaying a keypad by a mobile terminal according to another embodiment of the present invention.

11 is an exemplary view of a screen of a mobile terminal according to the embodiment of FIG. 10.

12 is a flowchart illustrating a method of displaying a keypad by a mobile terminal according to another embodiment of the present invention.

FIG. 13 is a diagram illustrating a screen of a mobile terminal according to the embodiment of FIG. 12.

<Description of the symbols for the main parts of the drawings>

110: wireless communication unit 120: display unit

130: memory 140: control unit

150: function key 160: microphone

170: speaker

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a mobile terminal, and more particularly, to a mobile terminal for displaying only a desired row of a keypad by using a scroll function and a keypad display method thereof.

In general, the portable terminal implements a liquid crystal display (LCD) for displaying a variety of information and a keypad for inputting numbers and letters. However, a portable terminal equipped with a touch screen does not implement the keypad in hardware, but displays the keypad on the touch screen and allows a user to input desired data by touching the touch screen. The touch screen is implemented because a touch panel is mounted on a general monitor screen, and the touch panel plays a role of identifying a position when a touch is made with a human hand or a specific object.

A conventional portable terminal having such a touch screen simultaneously displays edits and a keypad on a screen of a limited display. At this time, since the keypad occupies more than half of the display screen, the user cannot check many edits.

Accordingly, an object of the present invention is to provide a portable terminal and a keypad display method thereof, which display only a desired row of keypads using a scroll function.

The present invention for achieving the above object is a first display area for entering data, a second display area having a keypad for inputting the data, and the second display by a predetermined factor (Predetermined factor) And a control section for displaying scroll means for scrolling the keypad when the area becomes smaller than a predetermined size.

According to another aspect of the present invention, the present invention provides a mobile terminal for inputting data into a first display area using a keypad provided in a second display area, the method comprising the steps of: inputting data into the first display area; And displaying scroll means for scrolling the keypad on the second display area when the second display area becomes smaller than the predetermined size by a predetermined factor.

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

1 is a block diagram of a portable terminal according to the present invention, Figure 2 is a perspective view of a portable terminal according to the present invention. 3 is an exemplary view showing a scroll button displayed on a mobile terminal according to the present invention.

As shown in FIG. 1, the mobile terminal 100 includes a wireless communication unit 110 for performing wireless communication, a display unit 120 for inputting and outputting various information, and a memory 130 for storing various programs and data. And a controller 140 for controlling the operation of each component.

The wireless communication unit 110 transmits and receives data such as voice, video, and video through a wireless network under the control of the controller 140.

The display unit 120 includes a liquid crystal display (LCD) for displaying a state and a result according to the operation of the mobile terminal 100, and a touch panel for detecting a touch and outputting corresponding position information. It is implemented as a touch screen. Therefore, in the present invention, the display 120 is used not only as a display device for visually displaying data on the screen but also as an input device for receiving data and control commands from a user.

The entire screen of the display unit 120 may be configured with at least one display area. However, in the present exemplary embodiment, the entire screen is configured with two display areas. The full screen of the display unit 120 displays a first display area 122 that displays data such as an image, a video, and text, a keypad 200 and / or scroll means. The second display area 124 is formed. The scroll means may be embodied as a scroll bar 302 and / or scroll buttons 304 to 308.

The scroll button 304 may be implemented in software as shown in FIG. 3, and in addition, a plurality of keys assigned to perform a predetermined function are implemented in the form of a soft key. Accordingly, the user may input desired information by touching the keypad 200, the scroll bar 302, the scroll button 304, etc. displayed on the screen by the display 120.

In addition, the scroll buttons 306 and 308 may be implemented in hardware as shown in FIG. 2, and may be disposed on the side or the front of the mobile terminal 100 to facilitate a user's operation. The user may move the scroll buttons 306 and 308 up and down to check a plurality of items while using a menu, or select a predetermined function by pressing the scroll buttons 306 and 308. In addition, a plurality of function keys 150 assigned to perform a specific function may be mounted in hardware.

The memory 130 stores various programs and data necessary for the operation of the mobile terminal 100. In addition, various data generated according to the operation of the mobile terminal 100 and various contents downloaded by the user through the wireless communication unit 110 are stored. The memory 130 may be implemented as an external memory that can be attached and detached, such as an internal memory or a flash memory mounted in the portable terminal 100.

The controller 140 controls the operation of the various components, and if the second display area is reduced to a predetermined size or less by a predetermined factor, display the scroll means for scrolling the keypad. To control. Here, the predetermined size is set by the user or defaulted. In addition, the element means that the keypad type displayed on the screen of the display unit 120 is set by a menu operation.

The keypad type is divided into a general keypad and a scroll keypad. When the keypad type is set as a general keypad, the entire keypad (ie, all rows) is displayed on the second display area 124 of the display unit 120. When the keypad type is set to the scroll keypad, a predetermined row of scroll means and keypad 200 is displayed on the second display area 124 and scrolled according to the operation of the scroll bar 302 to allow the keypad 200 to be displayed. The corresponding row of is displayed. In this case, the controller 140 displays at least one or more rows of the plurality of rows of the keypad, and scrolls at least one or more rows in a vertical or horizontal direction in one scroll.

In other words, the predetermined element means that the user changes the keypad form to the scroll keypad through a menu operation while the display 120 displays the general keypad.

Alternatively, the predetermined element indicates that the user selects a function required to use the keypad, such as 'note' or 'send message' while the user sets the keypad type as the scroll keypad through a menu operation on the standby screen in advance. .

Alternatively, since the user drags the boundary between the first and second display areas 122 and 124, the boundary moves so that the first and second display areas 122 and 124 change. It is shown. In this case, when the boundary between the first and second display areas 122 and 124 is moved, the controller 120 readjusts the first and second display areas 122 and 124 of the display unit 120. For example, when the boundary between the first and second display areas 122 and 124 moves toward the second display area 124, the controller 120 moves the first display area 122 as much as the boundary moves. It enlarges and reduces the second display area 124. The controller 140 determines whether to display the keypad 200 and the scroll means according to the change of the second display area 124.

Alternatively, the predetermined element means that the first and second display areas are changed in excess of the amount of data currently displayed in the first display area. For example, three rows of data may be currently displayed in the first display area. When the input data fills all three rows and the cursor moves to the next row, the controller 140 detects the first row and the first row. 2 Readjust the display area.

The mobile terminal 100 includes a microphone 160 for receiving a voice of a user and a speaker 170 for outputting a sound or a voice signal, an audio signal, etc. generated according to the operation of the mobile terminal 100.

4 is a flowchart illustrating a method of displaying a keypad by a portable terminal according to an exemplary embodiment of the present invention, and FIG. 5 is an exemplary view of a screen on which a portable terminal according to the present invention displays a keypad.

Referring to FIG. 4, the control unit 140 of the mobile terminal 100 detects changes of the first and second display areas due to a predetermined element (S100). When the detected second display area is smaller than or equal to a predetermined size, the keypad 200 and scrolling means for scrolling the keypad 200 are displayed on the second display area 124 of the display unit 120 (S102 and S104). ). In this case, the controller 140 readjusts the size and position of the keypad 200 displayed on the first display area 122, the second display area 124, and the second display area 124, and the keypad 200. The display unit 120 is controlled to display only a part of rows. The controller 140 controls to display at least one or more rows of the plurality of rows of the keypad 200. The predetermined element indicates a menu setting previously input, and means a change of the first and second display areas 122 and 124. The change of the first and second display areas 122 and 124 may be performed by dragging the boundary of the first and second display areas 122 and 124 or presently displayed in the first display area 122. This is done because it exceeds the amount of data that can be.

In a state where the keypad 200 and the scroll means are displayed on the second display area 124, when the user touches the scroll means to perform a scroll operation, the display 120 generates a corresponding signal to generate the corresponding signal. The control unit 140 transmits (S106). When the controller 140 scrolls the keypad 200 by a predetermined row according to a scroll means, the display 120 displays the scrolled keypad 200 under the control of the controller 140 in the second display area. Indicated at 124 (S108). Here, the controller 140 scrolls at least one or more rows in a vertical or horizontal direction in one scroll. For example, when scrolling in the vertical direction, a new row of the keypad 200 appears in the bottom row of the second display area 124, and the top row disappears. When scrolled to the last row of the keypad 200, the keypad 200 does not scroll even if the scroll operation is maintained through the scroll means, or the first row of the keypad 200 is the last row as shown in FIG. It is possible to make it appear next.

6 is a flowchart illustrating a method of displaying a keypad by a portable terminal according to an exemplary embodiment of the present invention, and FIG. 7 is an exemplary view of a screen of the portable terminal according to the exemplary embodiment of FIG. 6. In the present embodiment, a scroll bar is used as the scroll means.

In the state where the keypad form displayed on the second display area 124 of the display unit 120 is a general keypad, the user manipulates the menu key to change the keypad form to the scroll keypad and completes the setting (S200 and S202). In this case, as shown in FIG. 7, when the user touches the menu key 400, the controller 140 executes a keypad type setting function, and according to the execution, the user selects a setting screen displayed on the display 120. Setting the keypad form and touching the confirmation key 410, the setting is completed.

When the setting is completed, the controller 140 readjusts the first and second display areas 122 and 124 allocated to the display unit 120 according to the setting information, and the keypad to be displayed on the second display area 124. Adjust the size and position of the 200 and place the output position of the scroll bar 302. Subsequently, the display 120 displays the keypad 200 and the scroll bar 302 on the second display area 124 under the control of the controller 140 (S204). As shown in FIG. 7, the first display area 122 is enlarged, the second display area 124 is reduced, and the scroll bar 302 and the keypad 200 of the second display area 124 are enlarged. The predetermined row is displayed.

In the present exemplary embodiment, two lines of the keypad 200 of a plurality of rows are displayed, but the number of rows displayed may be changed by a user's menu operation.

When a touch occurs on the scroll bar 302 displayed on the second display area 124, the controller 140 receives information about the position from the display 120 to detect that a scroll operation has occurred. (S206). The control unit 140 moves the row of the keypad 200 as much as scrolled according to the operation of the scroll bar 302, and the display unit 120 controls the keypad 200 to be scrolled by the control unit 140. It displays on the two display areas 124 (S208). Here, the number of lines moved by the scroll operation once can be changed by the user by the menu operation as shown in FIG. 6.

8 is a flowchart illustrating a method of displaying a keypad by a portable terminal according to another embodiment of the present invention, and FIG. 9 is an exemplary view of a screen of the portable terminal according to the embodiment of FIG. 8. In the present embodiment, a scroll bar is used as the scroll means.

As shown in FIG. 8, when a user sets a keypad type as a scroll keypad through a menu operation on a setting screen and touches the confirmation key 410, the controller 140 stores the changed setting information in the memory 130. (S300).

Subsequently, when the user selects a corresponding function requiring a keypad input such as 'memo' or 'send message' on the standby screen, the controller 140 executes the selected function (S302). In this case, the controller 140 reads and confirms the setting information stored in the memory 130, and allocates the first and second display regions 124 to the entire screen of the display 120 accordingly. The controller 140 arranges the keypad 200 and the scroll bar 302 to be displayed on the second display area 124. The display unit 120 displays the keypad 200 and the scroll bar 302 on the second display area 124 according to a control command of the controller 140 (S304).

When a touch is detected on the scroll bar 302 displayed on the second display area 124, the touch panel 122 of the display unit 120 transmits the corresponding position information to the controller 140 (S306). The controller 140 transmits a control signal corresponding to the location information to the display unit 120. The display unit 120 scrolls the keypad 200 displayed on the second display area 124 according to the control signal to display a corresponding row (S308).

10 is a flowchart illustrating a method of displaying a keypad by a portable terminal according to another embodiment of the present invention, and FIG. 11 is an exemplary view of a screen of the portable terminal according to the embodiment of FIG. 10.

The user moves the boundary between the first and second display areas 122 and 124 of the display unit 120 to check the edited content while using the general keypad (S400 and S402). In this case, the user may move the boundary because the user drags the boundary while touching the boundary as shown in FIG. 11.

As the boundary moves, the controller 140 readjusts the first and second display areas 122 and 124. In other words, as shown in FIG. 11, the controller 140 enlarges or reduces the first and second display areas 122 and 124, respectively, as the boundary moves. In addition, the controller 140 arranges the scroll bar 302 on the second display area 124 where only the keypad 200 is displayed, and readjusts the size and position of the keypad 200. The display unit 120 displays the keypad 200 and the scroll bar 302 rearranged by the controller in the second display area 124 (S404).

When a touch occurs on the scroll bar 302 displayed on the second display area 124, the controller 140 receives information about the position from the display 120 to detect that a scroll operation has occurred. (S406). When the controller 140 scrolls the keypad 200 by a predetermined row according to the scroll bar 302 operation, the display 120 displays the scrolled keypad 200 on the second display area 124 ( S408). For example, when one scroll is set to scroll by two lines, when the scroll bar 302 is touched to scroll once, the controller 140 scrolls two rows of the keypad 200.

12 is a flowchart illustrating a method of displaying a keypad by a portable terminal according to an embodiment of the present invention, and FIG. 13 is an exemplary view of a screen of the portable terminal according to the embodiment of FIG. 12.

When a user inputs data using a general keypad displayed on the second display area 124 of the display unit 120, the controller 140 exceeds the amount of data currently displayed on the first display area 122. It is detected whether (S500, S502). The controller 140 readjusts the first and second display areas 122 and 124 when the amount of data is exceeded. In other words, the first display area 122 is enlarged to check more edits, and the second display area 124 is reduced relative to the first display area 122.

For example, as shown in FIG. 13, data input is performed in a state in which there are currently three rows of data that can be displayed in the first display area 122. When the data fills three rows and the cursor moves to the next row. At this moment, the controller 140 detects this and readjusts the first and second display areas 122 and 124.

The controller 140 displays a predetermined row of the keypad 200 on the second display area 124 and displays a scroll bar 302 for scrolling the keypad (S504).

Subsequently, when a scrolling operation occurs through the scroll bar 302, the controller 140 detects this and scrolls the keypad 200, and the display unit 120 scrolls through the keypad 140 by the controller 140. 200 is displayed on the second display area 124 (S506, S508).

The scope of the present invention is not limited to the above-described embodiments, and many other modifications based on the present invention will be possible to those skilled in the art.

In the present invention as described in detail above, by applying the scroll function to the keypad, only the necessary rows of the plurality of keypads may be displayed. Therefore, the display area on which the keypad is displayed can be reduced, and the display area on which the edit contents are displayed can be enlarged to allow more editing contents to be checked and work, thereby providing convenience to the user.

Claims (18)

A touch screen capable of sensing a touch, the touch screen including a first display area into which data is input and a second display area including a keypad for inputting the data; And And a controller configured to simultaneously change sizes of the first and second display areas based on the touch applied to the touch screen. If the size of the second display area is smaller than a predetermined size, the controller outputs scrolling means for scrolling the keypad on the second display area, And the size of the first display area increases in response to the size of the second display area becoming smaller. delete delete The method of claim 1, wherein the touch on the touch screen is And a drag input to a boundary between the first and second display areas. The method of claim 1, wherein the scroll means, A mobile terminal comprising a scroll bar and a scroll button. delete The method of claim 1, wherein the scroll means A mobile terminal, characterized in that for scrolling the keypad in the horizontal or vertical direction under the control of the controller. The apparatus of claim 1, And displaying at least one row of the plurality of rows of the keypad and scrolling at least one row in one scroll. The method of claim 1, wherein the predetermined size is, A mobile terminal, characterized in that set by the user or by default. In a mobile terminal that can sense a touch, and having a touch screen for inputting data into the first display area using a keypad provided in the second display area, Changing the sizes of the first and second display areas together based on the touch applied to the touch screen; And If the size of the second display area is smaller than a predetermined size, displaying scroll means for scrolling the keypad on the second display area; And a size of the first display area increases in response to a decrease in the size of the second display area. delete delete The method of claim 10, wherein the touch on the touch screen, A keypad display method of a portable terminal, characterized in that the drag input to the boundary of the first and second display area. The method of claim 10, wherein the scroll means, A keypad display method of a mobile terminal comprising a scroll bar and a scroll button. delete The method of claim 10, wherein the scroll means, The keypad display method of the mobile terminal, characterized in that for scrolling the keypad in the horizontal or vertical direction. The method of claim 10, wherein the keypad, At least one row of the plurality of rows is displayed, the keypad display method of a mobile terminal, characterized in that scrolling at least one row in one scroll. The method of claim 10, wherein the predetermined size is, Keypad display method of a mobile terminal, characterized in that set by the user or by default.

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