KR200299428Y1 - Keyboard With Keybutton Carrying A Liquid Crystal Display(LCD) - Google Patents

Abstract

The present invention relates to a keyboard used as an input device such as a computer device, and when a desired language is selected by using a switching button mounted on the keyboard, a liquid crystal display in which each key button corresponding to the selected language is mounted on each key button. It is an object of the present invention to provide a keyboard equipped with a liquid crystal display device in a key button for allowing a user to work while viewing a keyboard arrangement of a currently selected language by being displayed through the device. To this end, the present invention is a keyboard equipped with a liquid crystal display device in a key button, comprising a plurality of key buttons equipped with a liquid crystal display device for outputting characters and a lamp for adjusting the brightness of the liquid crystal display device, The key button includes one or more switching buttons for converting characters to be displayed on the liquid crystal display, one or more brightness adjusting buttons for adjusting the brightness of the lamp, and one or more character buttons for displaying characters for various languages. A key button unit 70 including a; A key arrangement storage unit 33 for storing keyboard arrangement information for each language to be outputted to each character button; A key input recognition unit 34 for recognizing key input of the key button unit; A keyboard controller 32 which communicates with a computer main body through an interface, receives a key input from the key input unit from the key input recognition unit, and performs a control function according to the key input; An LCD driver 36 for driving the liquid crystal display of the key button unit under the control of the keyboard controller; And a brightness controller 35 for driving the lamp of the key button unit under the control of the keyboard controller.

Description

Keyboard with liquid crystal display on key button {Keyboard With Keybutton Carrying A Liquid Crystal Display (LCD)}

The present invention relates to a keyboard used as an input device such as a computer device.

Recently, with the rapid spread of computer devices, most of them carry out many tasks such as office management and work through these computer devices, and accordingly, the number of people using computer devices is also increasing.

The input device of the computer device is also diversified, and various devices such as a mouse, a touch screen, and a scanner are used in addition to a keyboard. However, in general, the keyboard is used as the most useful device for entering a variety of information.

On the other hand, the keyboard generally used consists of key buttons (hereinafter, simply referred to as "letter buttons") in Korean and English, and key buttons in which numbers, symbols, or commands are displayed. When you execute, the letters, numbers, symbols, commands, etc. through the key input are transmitted to the main body of the computer, and the main body of the computer processes the data according to the key input from the keyboard and outputs the progress status and the result. ) Will be displayed.

However, as the society becomes more and more informational, the frequency of using computers is increasing, and according to internationalization, it is necessary to write documents using various foreign languages. In other words, in addition to Korean and English, it is frequently required to write a document using various languages such as Japanese, Chinese, Russian, and French. In this case, languages other than Korean and English cannot be input until the language is complicated. Not only that, there are many problems with its use.

That is, in case of Korean and English, it is generally possible to freely convert to Korean and English by using a specific button on the keyboard. However, in other languages, the keyboard layout must be clicked on the program in multiple steps in the program. There is a problem that can be modified. Also, even if you change the keyboard layout to your preferred language, you may not be familiar with the keyboard layout for the language unless you use the language frequently. There is a problem that should be.

In addition, since there is no separate light emitting device in the case of a general keyboard currently used, there is a problem in that it is barely available to use the light of the monitor in a dark place.

The present invention is to solve the above-mentioned problems, and when the desired language is selected by using a switching button mounted on the keyboard, the liquid crystal display device having a letter for each key button corresponding to the selected language is mounted on each key button. It is an object of the present invention to provide a keyboard equipped with a liquid crystal display device in a key button for allowing a user to work while viewing a keyboard arrangement of a currently selected language.

1 is a configuration diagram of an embodiment of a key button equipped with a liquid crystal display device applied to the present invention.

Figure 2 is an exemplary view showing the configuration of a computer including a keyboard equipped with a liquid crystal display on a key button according to the present invention.

3A and 3B are diagrams illustrating an embodiment of a keyboard equipped with a liquid crystal display in a key button according to the present invention.

4 is a flowchart illustrating an operation of a keyboard equipped with a liquid crystal display in a key button according to the present invention.

The present invention for achieving the above object, in the keyboard equipped with a liquid crystal display device in the key button, a liquid crystal display device for outputting characters and a plurality of keys equipped with a lamp for adjusting the brightness of the liquid crystal display device The key button includes one or more switching buttons for converting characters to be displayed on the liquid crystal display, one or more brightness adjusting buttons for adjusting brightness of the lamp, and displaying various language characters. A key button unit 70 including one or more character buttons for; A key arrangement storage unit 33 for storing keyboard arrangement information for each language to be outputted to each character button; A key input recognition unit 34 for recognizing a key input of the key button unit; A keyboard controller 32 which communicates with a computer main body through an interface, receives a key input from the key input unit from the key input recognition unit, and performs a control function according to the key input; An LCD driver 36 for driving the liquid crystal display of the key button unit under the control of the keyboard controller; And a brightness controller 35 for driving the lamp of the key button unit under the control of the keyboard controller.

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

1 is a configuration diagram of an embodiment of a key button equipped with a liquid crystal display device applied to the present invention.

As shown in the figure, the key button 37 applied to the present invention has a liquid crystal display device that can change and display characters of a corresponding language for various languages (Korean, English, Japanese, Chinese, French, etc.) (Liquid Crystal). Display (LCD) 38 (hereinafter, simply referred to as "liquid crystal display device") is mounted. In addition, in addition to the liquid crystal display, the key button 37 is equipped with a lamp 39 capable of adjusting the brightness so that the output characters of the liquid crystal display can be easily seen even in a dark place.

In this case, the key button 37 refers to one of a plurality of buttons mounted on the keyboard, and one letter for each language (for example, a, b, c, ... for Korean). Etc.). In addition to the above-described character button, the concept includes a function key (for example, F1, F2, ..., etc.) and a numeric button.

That is, the upper surface of the key button 37 as shown in Figure 1 has a liquid crystal display device 38 to display the letters assigned to the key button 37 so that the user can check the corresponding letter for each key button The lamp 39 is mounted to adjust the brightness of the screen of the liquid crystal display device 38.

In this case, the liquid crystal display device 38 and the lamp 39 are connected to the LCD driver 36 and the brightness controller 35, which will be described below. In addition, the lower part of the key button has a terminal that can be connected to the key input recognition unit 34, when the user clicks on the key button, the signal of the key button clicked on the key input recognition unit 34 is transmitted. Since the general method of using the keyboard is the same as the conventional method, it is omitted.

The configuration and operation of the keyboard including the key button 37 having the above configuration will be described with reference to FIGS. 2 to 4.

2 is an exemplary view showing the configuration of a computer including a keyboard having a liquid crystal display device mounted on a key button according to the present invention, and FIGS. 3A and 3B illustrate a keyboard having a liquid crystal display device mounted on a key button according to the present invention. One embodiment of the configuration.

That is, as shown in FIG. 2, the computer to which the present invention is applied is largely composed of an output device 10, a computer main body 20, and an input device 30.

In this configuration, the output device 10 in the above configuration generally refers to a monitor, and the input device 30 refers to a keyboard equipped with a liquid crystal display in a key button according to the present invention.

The computer main body 20 has a central processing unit (CPU) 21 responsible for operation and control, a storage unit 22 for storing various information, a power supply unit 23 for supplying power and a computer main body and inputs. It consists of an interface 24 for relaying various data between devices (or output devices).

Meanwhile, the input device (keyboard) (hereinafter, simply referred to as a "keyboard") 30 includes an interface 31, a keyboard controller 32, a key array storage unit 33, a key input recognition unit 34, and a brightness controller. 35, an LCD driver 36 and a key button unit 70, each key button of the key button unit 70 has a key button 37 structure as shown in FIG. have.

That is, the key button unit 70 shown in FIG. 2 is a general term for various key buttons that are generally protruded on the keyboard 30 as described above, and letters forming various languages including Korean. (That is, a letter button 60 indicating Korean consonants / vowels, an English alphabet, etc.), a switching button 40, 41, 42 used in the present invention to modify the arrangement of the keyboard, in the present invention Brightness control buttons (50, 51) for adjusting the brightness of the key button and various number buttons and function buttons are included. That is, the character button 60, the switching buttons 40, 41, 42, the brightness control buttons 50, 51, and various numeric buttons and function buttons may be manufactured in the form of the key button 37 shown in FIG. have.

In the above configuration, the interface 31 of the keyboard 30 is connected to the interface 24 of the computer main body 20 to transmit various kinds of information, while supplying power from the power supply unit 23 of the computer main body 20. Received to supply power to each device of the keyboard, the keyboard array information for various languages and special characters for applying to the present invention is stored in the key array storage 33. In this case, the key array storage unit 33 may include mode information on the language currently being used, and may set the keyboard layout of the keyboard using the stored mode information when the computer main body is rebooted. have.

Meanwhile, various functions performed on the keyboard are performed by the keyboard controller 32. That is, when the user presses each key button of the key button unit 70, the key input recognition unit 34 transmits the coordinates or key button information of the corresponding key button to the keyboard control unit 32, and the keyboard control unit 32 Is to transmit the information on the character of the key button to the computer body 20 through the interface 31. The central processing unit 21 of the computer main body 20 performs various operations and control by combining the transmitted character information of the key button.

In addition, as described above, a liquid crystal display (LCD) is attached to each key button of the key button unit 70, and the liquid crystal display of each key button is driven by the LCD driver 36. . At this time, the liquid crystal display device as described above may be mounted on all the key buttons in the key button unit 70, but only the key buttons that need to change the corresponding characters for each language, such as the character button 60, are used. It is also possible to attach the display device 38.

In this case, the keyboard according to the present invention includes switching buttons 40, 41, and 42 for displaying various characters on the liquid crystal display of the character button 60, as shown in FIGS. 3A and 3B. The switching buttons 40, 41, and 42 select a language (Korean, English, Chinese, Japanese, etc.) or special characters that the user desires. That is, when the keyboard 30 is manufactured, selection buttons such as English, Korean, Chinese, Japanese, and the like are made in advance as shown in the drawing. In this case, in addition to the language, the corresponding switching buttons 40, 41, and 42 may be manufactured as many as the number of languages desired by the keyboard maker or the user.

The switching buttons 40, 41.42 may also be referred to as one key button 37, and the key input recognition unit 34 recognizes the switching buttons 40, 41, and 42 selected by the user to the keyboard controller 32. Upon transmission, the keyboard controller 32 reads information on the keyboard arrangement composed of the languages (or special characters) of the selected switching buttons 40, 41, and 42 from the key array storage 33, and the LCD driver ( 36) to reconfigure the liquid crystal display of each key button according to the read keyboard layout information. Switching button 40 can be configured in the same shape as the general key button as shown in Figure 3a, it is composed of a switch shape 41 with a handle as shown in Figure 3b is adjusted to the left or right or up and down You can also choose the language (or special characters).

In addition, the switching button 40 in the shape of a general key button is also configured to include a liquid crystal display device 38 and a lamp 39 as shown in Figure 1, the name of the corresponding language for each switching button 40 May be outputted to the liquid crystal display device 38, and in particular, in the case of the switching button 40 selected by the user, the lamp 39 may be turned on to make it brighter to distinguish it from other switching buttons. In addition, the lamp 43 of the selected switching button 40 is lit by attaching a separate lamp 43 to the top or bottom of the switching button 40 even if the lamp 39 is not mounted on the switching button 40. It can be identified.

On the other hand, it is also possible to make as many switching buttons 40 and 41 as the corresponding language as described above, but since the number of languages is large, it is practically difficult to make all of the switching buttons 40 and 41 for those languages. In this case, in this case, for the important languages, the switching buttons 40 and 41 are made as shown in the drawing, while for other languages, one key button shaped like the key button shown in FIG. Or simply " integrated switching button " That is, the integrated switching button is a key button having the same function as the currently used English / Korean conversion key, and the name of the corresponding language is expressed by the liquid crystal display device 38 every time one click is performed. The keyboard arrangement for the language can be performed by the same process as the switching buttons 40 and 41 described above.

That is, the key array storage 33 stores a list of languages matched with the integrated switching button 42, and the keyboard controller 32 is provided whenever the user clicks the integrated switching button 42. The list is queried and the name of the corresponding language is output through the liquid crystal display device 38 of the integrated switching button 42, and the arrangement of the character buttons 60 is modified to be the arrangement for the language.

In addition, as illustrated in FIGS. 3A and 3B, various integrated languages may be selected using only one integrated switching button 42 without having to switch the buttons 40 and 41 for each language.

In addition, as described above, the key button 37 in which the liquid crystal display device 38 is mounted in the key button unit 70 is equipped with a lamp 39 for adjusting brightness in addition to the liquid crystal display device. It is driven by the brightness control unit 36.

In this case, the keyboard 30 according to the present invention has a brightness control button 50 for adjusting the brightness of the liquid crystal display device 38 of the key button 37 including the liquid crystal display device as shown in FIGS. 3A and 3B. 51), and the user selects the desired brightness of the liquid crystal display device 38 through the brightness adjustment buttons 50 and 51. FIG. In addition, although not shown in the drawing, the brightness control button may be configured in the form of a key button 37 on which the liquid crystal display device 38 described above is mounted. That is, the user may adjust the brightness of each key button by pressing the brightness adjustment button indicating the desired brightness.

The brightness control buttons 50 and 51 may also be referred to as one key button in the key button unit 70. The key control unit 34 recognizes the brightness control buttons 50 and 51 selected by the user and controls the keyboard. When transmitted to 32, the keyboard controller 32 drives the brightness controller 35 to adjust the lamp 39 of each key button 37 to the brightness desired by the user. Brightness adjustment button (50, 51) may be a structure (50) to adjust the brightness by moving the handle up and down or left and right as shown in Figure 3a, the brightness by rotating the knob as shown in Figure 3b It may be a structure 51 that can adjust.

In addition, although not shown in the figure, a lamp independent of the brightness control buttons 50 and 51 may be used to identify the selected brightness control buttons 50 and 51 (same function as reference numeral 43).

Hereinafter, a method of changing the output characters or adjusting the brightness of the liquid crystal display device mounted on each key button in the keyboard having the above structure will be described with reference to FIG. 4. At this time, the core process according to the present invention will be described in order, and detailed description of each part described above will be omitted.

4 is a flowchart illustrating an operation of a keyboard equipped with a liquid crystal display in a key button according to the present invention.

First, when the computer main body 20 is booted and the power of the power supply unit 23 is transmitted to the keyboard 30, the keyboard control unit 32 displays the keyboard arrangement of the language set as the default language in the keyboard storage unit 33. Meanwhile, the LCD driver 36 is driven to display each character according to the keyboard arrangement through the liquid crystal display device 38 in the key button unit 70 (402).

In this case, the computer may be output as a keyboard array for the basic language when the computer is booted, but the information (mode) of the keyboard array used by the user immediately before booting is stored in the key array storage unit 33 and then booted. Each character may be displayed according to the keyboard arrangement.

On the other hand, when the user wants to use a language different from the language used for the article, the user presses the switching buttons 40, 41, and 42 matching the language to be changed, and the key input recognition unit 34 switches the switching button 40 Recognizing the input or change of the input, 41, 42, and transmits the information on the input of the corresponding switching button to the keyboard control unit 32 (404).

At this time, the keyboard controller 32 reads the keyboard arrangement matched with the input switching buttons 40, 41, and 42 from the key array storage 33 (406), and drives the LCD driver 36 to drive the LCD. Information on the keyboard arrangement is transmitted to the LCD driver 36 (408).

The LCD driver 36 modifies the keyboard arrangement in a language desired by the user by transmitting the characters corresponding to each key button according to the keyboard arrangement information and outputting the characters to the liquid crystal display of each key button (410). . At this time, the user can visually check the keyboard arrangement of the desired language through the liquid crystal display.

On the other hand, when the user wants to adjust the brightness of the liquid crystal display device 38 of each key button while using the keyboard, if the desired brightness is selected by adjusting the brightness control buttons 40 and 41 of the keyboard, The input recognition unit 34 recognizes the input or change of the brightness control buttons 50 and 51 and transmits information on the input of the brightness control button to the keyboard controller 32 (404).

At this time, the keyboard control unit 32 drives the brightness control unit 35 (408), the brightness control unit 35 adjusts the lamps mounted on each key button to adjust the liquid crystal display device to the desired brightness 410.

The present invention is not limited to the embodiments described above, and various modifications and changes can be made by those skilled in the art, which are included in the spirit and scope of the present invention defined in the appended claims.

The present invention as described above can be easily changed to the keyboard arrangement of the desired language only by clicking the key button, there is an excellent effect that can provide convenience in writing documents of various languages.

In addition, the present invention has the excellent effect that it is possible to directly check the keyboard arrangement for the language selected by the user through the liquid crystal display device, it can provide convenience to users who are not familiar with the keyboard arrangement for each language.

In addition, the present invention has an excellent effect that it is possible to easily write a document in a dark place by attaching a lamp to the liquid crystal display of each key button to adjust the brightness.

Claims (4)

In a keyboard equipped with a liquid crystal display device in a key button, It is composed of a plurality of key buttons equipped with a liquid crystal display device for outputting a character and a lamp for adjusting the brightness of the liquid crystal display device, the key button has one or more for converting the characters to be displayed on the liquid crystal display device A key button unit 70 including a switching button, at least one brightness adjusting button for adjusting brightness of the lamp, and at least one letter button for displaying characters for various languages; A key arrangement storage unit 33 for storing keyboard arrangement information for each language to be outputted to each character button; A key input recognition unit 34 for recognizing key input of the key button unit; A keyboard controller 32 which communicates with a computer main body through an interface, receives a key input from the key input unit from the key input recognition unit, and performs a control function according to the key input; An LCD driver 36 for driving the liquid crystal display of the key button unit under the control of the keyboard controller; And Brightness control unit 35 for driving the lamp of the key button unit under the control of the keyboard control unit Keyboard equipped with a liquid crystal display device on the key button including. The method of claim 1, The switching buttons 40 and 41 of the key button unit are Consists of a liquid crystal display and a key button equipped with a lamp, or a switch that moves up and down or left and right, and when configured in the form of a key button, the lamp of the clicked switching button lights up, or the outside of the clicked switching button The keyboard equipped with a liquid crystal display device on the key button, characterized in that the lamp of the lamp. The method of claim 1, The switching button 42 of the key button unit, And a key button equipped with a liquid crystal display device and a lamp, wherein a name of a corresponding language is output to the liquid crystal display device whenever a key button is clicked. The method according to any one of claims 1 to 3, The brightness control buttons (50, 51) of the key button unit, And a key button mounted with the liquid crystal display device and a lamp, or a key button equipped with a liquid crystal display device.