KR100698139B1 - Mobile Phone and Key Inputing Device thereof and Control Method thereof - Google Patents

Abstract

An object of the present invention is to provide a beautiful appearance by displaying only the key information corresponding to the operation state of the mobile communication terminal on the button by configuring the keypad with a button that emits light by the organic EL, and provide sufficient brightness by the self-illumination of the button The present invention provides a mobile communication terminal, a key input device, and a method of controlling the same, which display information in response to any operation state.

The key input device of the present invention for achieving the above object is, in the key input device used for key input of the mobile communication terminal, each organic organic EL element is arranged on the rear surface when pressed by the user while outputting the key information image A plurality of buttons for generating a key input signal by operating the switched switch; A driver for driving a button made of the organic EL element to output key information; And a controller for controlling the key information outputted to the button and driving the driver.

Terminal, keystroke, organic EL

Description

Mobile terminal and its key input device and control method thereof

1 is a cross-sectional view showing a conventional key input device

2 is a block diagram of a mobile communication terminal having a key input device according to the present invention.

3 to 6 is a state diagram of use of the key input device of the present invention

7 is a flowchart illustrating a control method of a key input device according to the present invention.

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

10: prior art keypad 11: button

12: Push Button 13: Transparent Part

20: switch 21: metal dome

22: contact 23: circuit board

30: light emitting element

200: memory

300: wireless signal transmission and reception unit 400: display unit

500: key input device 510: button

520: driver 530: controller

540: keypad 550: switch

600: 2-axis swivel hinge

610: folder unit 620: terminal body

The present invention relates to a mobile communication terminal, a key input device, and a control method thereof. In particular, a button constituting a keypad of a mobile communication terminal is an organic EL, and variously outputs information on a key. And a key input device and a control method thereof.

The mobile communication terminal is provided with a key input device as an input interface for controlling the state of the terminal, inputting a phone number, and inputting Korean / English characters.

In the conventional key input device, as shown in FIG. 1, a switch for detecting pressing of each button 11 under a keypad (key pad: 10) in which a plurality of buttons 11 having elasticity are typically formed ( 20 is implemented on the circuit board 23, the switch 20 is made of a metal dome 21 is provided on the circuit board 23, the contact 22 is formed, when the button 11 is pressed button 11 The pressing protrusion 12 protruding in the lower portion of the) presses the metal dome 21, and in response thereto, the metal dome 21 presses the contact 22 to generate a key input signal.

Each button 11 displays key information such as a control command of the terminal, numbers, Korean / English characters, and a light emitting device (LED: 30) formed at random intervals on the circuit board 23 when the lighting is required to emit light. While leaking to the outside through the transparent portion of 13, the key information of the button 11 can be confirmed even in the absence of lighting.

However, the conventional key input device made in this way has a problem that the appearance is not neat because all the key information that can be input by the operation of the corresponding button must be displayed in advance on each button.

In addition, since light emitted from the light emitting device leaks to the outside only through the transparent part, there was a problem that the illumination was not sufficient.

Furthermore, in a folder type mobile communication terminal in which a folder unit and a terminal body are combined by using a swivel hinge, the terminal body may be laid on its side according to the rotation state of the folder unit. There was a very uncomfortable problem.

An object of the present invention is to solve the problems of the prior art by configuring a keypad with a button that emits light by the organic EL, thereby providing a beautiful appearance by displaying only the key information corresponding to the operating state of the mobile communication terminal on the button, It is possible to provide sufficient brightness by self-luminescence of the present invention, and to provide a mobile communication terminal, a key input device, and a control method thereof, in which the mobile communication terminal displays information appropriately in any operation state.

The key input device of the present invention for achieving the above object is, in the key input device used for key input of the mobile communication terminal, each organic organic EL element is arranged on the rear surface when pressed by the user while outputting the key information image A plurality of buttons for generating a key input signal by operating the switch; A driver for driving a button made of the organic EL element to output key information; And a controller for controlling the key information outputted to the button and driving the driver.

The plurality of buttons are formed integrally on the keypad having elasticity.

The driver is provided for each button, it is characterized in that built in the keypad.

On the other hand, the control method of the key input device made in this way, the sensing step of detecting the state of the mobile communication terminal or a predetermined operation applied; An information determining step of determining key information to be outputted to the button according to the state or operation of the mobile communication terminal detected in the sensing step; And an information output step of configuring the key information determined in the information determination step into an image and outputting the image from the button.

In the detecting step, it is characterized in that the folder unit rotation state of the folder-type mobile communication terminal is detected.

In the detecting step, an operation for changing a user's button display setting may be sensed.

The button display setting may be a setting for font, font, color, brightness, and arrangement of key information output from the button.

In the sensing step, it is characterized in that it detects what key information is to be input through the key input device.

The key information may be numeric, Korean, English or symbol.

In the information output step, the key information is separated and output for each button.
On the other hand, the mobile communication terminal according to the present invention, the terminal body; A display unit connected to the terminal body to display predetermined information, and coupled to the terminal body to perform at least one of rotation, rotation, and sliding; A plurality of buttons provided in the main body of the terminal and formed of an organic EL element to output key information; A driver provided in each of the plurality of buttons to drive a button of the organic EL element to output an image; And a controller for controlling the driver to detect an operation state of the terminal body and the display unit, an input state of the terminal, and manipulation of the button to control key information outputted to the button.

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

Figure 2 is a block diagram of a mobile communication terminal having a key input device of the present invention, Figures 3 to 6 is a state diagram of the use of the key input device of the present invention, Figure 7 is a control method of the key input device of the present invention It is a flow chart.

Referring to FIG. 2, a mobile communication terminal typically includes a controller 530 for controlling the overall operation of the mobile communication terminal, a memory 200 for storing programs and data necessary for performing various operations of the mobile communication terminal, and movement. Wireless signal transmission and reception unit 300 for performing the overall processing of the wireless signal transmission and reception between the communication terminal and the base station subscribed to the terminal, the display unit 400 for displaying the current state of the mobile communication terminal for the user, and It comprises a key input device 500 which is an information input means of.

At this time, the key input device 500 of the present invention is a plurality of buttons (each of which is an organic EL element and outputs key information, while operating a switch 550 disposed on the rear surface when pressed by the user to generate a key input signal) 510; A driver 520 for driving the button 510 made of the organic EL element to output key information; And a controller 530 for controlling key information outputted to the button 510 and driving the driver 520.

Each button 510 is provided to protrude in a predetermined arrangement on the keypad 540 having elasticity such that the direction in which the organic EL element outputs predetermined key information is external.

An organic EL device is a display device that emits light while outputting image information while combining negative / positive charges in a light emitting layer made of an organic thin film, and thus, a detailed description thereof will be omitted.

The keypad 540 is integrally formed of a material having elasticity, and a bottom protrusion protruding from a button of the keypad is provided, so that the switch 550 is interlocked when the button 510 is pressed. Do.

The controller 530 controls key information to be output from the button 510 according to the state or manipulation of the mobile communication terminal.

The driver 520 drives the button 510 under the control of the controller 530 to display key information.

The driver 520 may be configured to drive a plurality of buttons 510 simultaneously at the outside of the keypad 540, but may be separately provided at each button 510 in the keypad 540 to be individually driven. Keypads have built-in signal lines to send signals to each driver.

The mobile communication terminal to which the key input device of the present invention is applied may be a flip type, a folder type, a slide type, or any other type. In this embodiment, as shown in FIG. 620 is a folder-type mobile communication terminal coupled to the two-axis swivel hinge 600.

In the folding mobile communication terminal, a folder unit 610 having a rectangular display unit 400 on its inner surface is fastened to the terminal body 620 using a two-axis swivel hinge 600, and the folder unit 610 rotates in addition to the opening and closing operation. By enabling the operation, the display unit 400 may be rotated by 90 degrees while the folder unit 610 is open so that the display unit 400 is horizontally long to realize a wide screen, and the operation state of the folder unit 610 is sensed. It is recognized by the means and transmitted to the controller 530.

The control method of the key input device configured as described above includes: a sensing step (S100) of detecting a state of a mobile communication terminal and detecting a predetermined operation when it is applied; An information determination step (S200) of determining key information to be output to the button according to the state or manipulation of the mobile communication terminal detected in the detection step (S100); And an information output step (S300) for outputting the key information to the button.

The control of the key input device is based on the state of the mobile communication terminal, in particular, the terminal being not used or being used while the folder unit 610 is closed in the terminal body 620, or the folder unit 610 being used in the terminal body 620. The key information to be outputted by the button 510 is controlled by the operation of changing the operation state of the folder unit 610 or the like.

In the sensing step S100, the operation state or operation of the mobile communication terminal is sensed through the sensing device.

In the information determination step (S200), the controller 530 determines the key information to be output from the button 510 according to the state of the terminal detected by the sensing device.

The key information drives off output from the button when the folder portion 610 is closed, and if the terminal is being used while the folder portion 610 is open in the normal direction, the buttons 510 in the normal arrangement order and direction are used. Information to be printed.

Alternatively, if the screen of the display unit 400 is output in a vertically long direction while the folder unit 510 is rotated 90 degrees, the key information is shown in FIG. Information to be output in the arrangement and direction as shown.

Alternatively, when the rotational state of the folder unit 510 is manipulated so as to be changed, it is information for changing the key information output from the button accordingly.

In the information output step (S300), the controller 530 configures the screen to actually output the information of each button 510 according to the determined key information, and displays the key information by driving the organic EL element by the driver 520. do.

In addition, the mobile communication terminal is provided with a button display setting menu for adjusting the font, font, color, brightness, arrangement, etc. of the key information displayed on the button 510, the user through the predetermined key input button display setting menu It is possible to change the button display setting directly by entering, and the control of the key input device is made according to the button display setting.

In the detecting step S100, the user recognizes that the button display setting is changed through key input.

In the information determination step (S200) according to the operation state of the folder unit 610 by reading the data of the font, font, color, brightness, arrangement, etc. of the key information stored in the memory 200 according to the button display setting changed by the user It is applied to the controller 530 together with the key information.

In the information output step (S300) by applying data such as font information, font, color, brightness, arrangement of the key information to the operation state of the folder unit 610 to configure the information to be actually output from the button 510 to the screen, the driver The organic EL element is driven by 520 to display key information as shown in FIG.

Meanwhile, the control of the key input device is performed by controlling the key information to be displayed on the button according to which key information is to be input through the key input device.

That is, in the detection step (S100), whether the current terminal state is a state in which a number must be inputted in order to make a phone call or in other situations, or in a state in which a Korean character must be input in order to create an SMS message or input other information. It detects whether you need to enter English or symbolic input.

In the information determination step (S200), it is determined that the key information to be displayed on the button 510 is numbers, Korean, English, and symbols, and the result is applied to the controller 530.

In the information output step (S300), the controller 530 is composed of numbers, Korean, English, and symbols. The key information arranged to correspond to each button 510 is configured as a screen, and the driver 520 is driven to drive the organic EL device. To be output as shown in FIG.

According to the mobile communication terminal, the key input device, and the control method thereof according to the present invention as described above, only the information corresponding to the operation state of the mobile communication terminal is displayed on the button, thereby providing a beautiful appearance, and the organic EL device. Since light emits light to display information, sufficient brightness can be provided, and the information is displayed according to various operating states of the mobile communication terminal.

Claims (11)

In the key input device used for key input of the mobile communication terminal, A plurality of buttons each formed of an organic EL element for outputting key information and causing a switch disposed on the back to be manipulated to generate a key input signal when pressed by the user; A driver provided adjacent to each of the buttons and electrically connected to each other to drive a button of the organic EL element to output key information; And a controller for controlling key information outputted to the button and driving the driver. The method according to claim 1, The key input device, characterized in that the plurality of buttons are integrally formed on the keypad having elasticity. The method according to claim 2, And the driver is built in the keypad. In the control method of the key input device made as described in claim 1, A sensing step of detecting an operation state, an input state, and a predetermined operation applied by a key input of the mobile communication terminal; An information determination step of determining key information to be outputted to a button among key information stored in a memory according to an operation state, an input state or an operation of the mobile communication terminal detected in the detection step and applying the same to a controller; A key input comprising a information output step in which a driver is driven by the key information applied to the controller in the information determination step and an organic EL element is driven by the driver to output the key information to a button Control method of the device. The method according to claim 4, In the detecting step, the control method of the key input device, characterized in that for detecting the folder rotation state of the folder-type mobile communication terminal. The method according to claim 4, And in the detecting step, detecting an operation for changing a button display setting of a user. The method according to claim 6, And the button display setting is a setting for font, font, color, brightness, and arrangement of key information outputted from the button. The method according to claim 4, And in the detecting step, detecting what type of key information is to be input through the key input device. The method according to claim 8, And the key information is numeric, Korean, English, or symbol. The method according to any one of claims 6, 7, and 9, And in the information outputting step, output the image by separating the key information for each button. Terminal body; A display unit connected to the terminal body to display predetermined information, and coupled to the terminal body to perform at least one of rotation, rotation, and sliding; A plurality of buttons provided in the main body of the terminal and formed of an organic EL element to output key information; A driver provided in each of the plurality of buttons to drive a button of the organic EL element to output an image; And And a controller for controlling the driver to detect an operation state of the terminal body and the display unit, an input state of the terminal, and manipulation of the button to control key information outputted to the button.

Images