JPH08220982A - Matrix display - Google Patents

Abstract

(57) [Abstract] [Purpose] To provide a matrix display device capable of sequentially lighting the writing order of characters and the like. [Configuration] A display unit 2 having a matrix may be provided, the characters displayed on the display unit 2 may be arranged in a writing order, the screens may be sequentially switched to complete the characters, and a function of inputting a writing order and a determination thereof may be provided. It is characterized by being able to do it.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a matrix display device capable of displaying characters such as kana characters, kanji, numbers, alphabets, etc., and particularly has a function of learning not only the character form but also the stroke order of the characters. The present invention relates to a provided matrix display device.

[0002]

2. Description of the Related Art A conventional matrix display device displays only the forms of characters such as kana and kanji, and the writing order of the characters can be shown on a blackboard or the like in classes such as schools and cram schools. At home etc., I was able to learn by writing in the order of the strokes written in the text.

[0003]

However, in the lesson, the same character is not repeatedly written on the blackboard, and the learner has to learn the writing order with a small number of times.
In addition, even when practicing with texts and the like, there was a problem that it was not possible to know whether the writing order was correct without seeing the writing process.

In view of the above problems, the present invention has a function of displaying characters according to their writing order, and also having a function of determining whether a character entered by the user through the input means or its writing order is correct. Another object of the present invention is to provide a matrix display device.

[0005]

In order to achieve the above object, the first aspect of the present invention provides kana characters such as Katakana or Hiragana, characters such as Kanji, numbers and alphabets according to the stroke order of the characters. It is characterized by having a function of displaying dots in a single color or in multiple colors by using, for example, an LED element or an LCD element.

In order to achieve the above-mentioned object, the second aspect of the present invention is to store in advance the character selection means for selecting the character for practicing the writing order and the writing order of the character selected by the character selection means. A writing order storage means, a user writing and inputting the same character as the character selected by the character selecting means, and a writing order of the character selected by the character selecting means. Called from the order storage means, comparing with the writing order of the characters input by the input means, a determination means for determining whether the writing order of the user is correct, and notifying the determination result by the determination means, For example, it is characterized by including a notification means such as a pilot lamp, a buzzer, and a speaker.

[0007]

The first aspect of the present invention has a learning function not only by expressing the character form in the matrix display but also by sequentially displaying the characters in the writing order. In addition, the change in the display attracts the user's interest, and the stroke order can be naturally remembered by simply looking repeatedly.

The second aspect of the present invention has a function of determining whether or not the writing order actually input to the input section by the user is correct, so that the writing order can be accurately learned as a self-study.

[0009]

Embodiments of the present invention will be described below with reference to the drawings. 1 and 2 are views for explaining a first embodiment of the present invention. FIG. 1 shows a matrix display device with a numeral "5".
Is displayed, and FIG. 2 is a view showing the writing order of the numeral "5" in time series.

Reference numeral 1 in the figure denotes a matrix display device, and a large number of display elements 2 made of, for example, LEDs are regularly arranged in a matrix in the matrix display device 1. In this example, the corresponding display elements 2 are sequentially turned on from the left to the right in FIG.
The writing order is displayed in time series according to the lighting order of the display element 2.

3 to 5 are views for explaining a second embodiment of the present invention, FIG. 3 is a conceptual diagram of an LED bare chip used in a matrix display device, and FIG. 4 is a matrix display device using the LED bare chip. FIG. 5 is a diagram showing the writing order of the numeral “5” on the matrix display device in time series.

In FIGS. 3 and 4, 4 in the drawings is LE.
The D bare chip has a P-type layer 5 on its upper surface and an N-type layer 6 on its lower surface, and the P-type layer 5 is a metal layer 7 made of solder.
And the power supply 1 via the wiring 9 to which the resistor 8 is connected
0 is connected to the positive electrode, and the N-type layer 6 on the lower surface is connected to the negative electrode of the power source 10 via the wiring 9.

The material of this LED bare chip 4 emits light of green, red, etc. to give a red LED bare chip 4R.
When the LED bare chip 4G and the green LED bare chip 4G are brought close to each other to emit light at the same time, it looks orange.

FIG. 4 is a lighting circuit diagram of the matrix display device, in which 4R is a red light emitting LED bare chip and 4G.
Is a green light emitting LED bare chip, 11 is an X-axis wiring, 12
Is a Y-axis wiring, and in the case of this embodiment, a red light emitting LED
Bare chip 4R and green light emitting LED bare chip 4G are X
A large number of them are alternately arranged in the (horizontal) direction, and the X-axis wirings 11 and the Y-axis wirings 12 are patterned respectively on the front side and the back side of the printed wiring board to form a regular matrix. In the figure, 12R is a Y-axis wiring for red light emission, and 12G is a Y-axis wiring for green light emission.

In such a structure, when a certain address of the X-axis wiring 11 and the Y-axis wiring 12 is energized, the LED bare chip 4 connected to the position corresponding to the intersection is turned on.

FIG. 5 shows an example in which the writing order is displayed by using these red light emitting LED bare chip 4R and green light emitting LED bare chip 4G. As shown at the left end of FIG. The LED bare chip 4G is turned on to display the number "5" (hatched portion in the drawing).
Then, by sequentially lighting the red light-emitting LED bare chips 4R according to the writing order of the number "5" (as it goes from the left side to the right side in the figure), the portion turns orange (the black portion in the drawing), and finally The whole number "5" is displayed in orange.

In this example, the green bare LED bare chip 4 is used.
The writing order is shown by changing to orange by turning on G and turning on the red light emitting LED bare chip 4R sequentially. The red light emitting LED bare chip 4R is turned on, and at the same time, the green light emitting LED bare chip adjacent to it is turned on. 4G
By turning off, it is possible to indicate the writing order by changing to red.

If the writing order of characters such as green to orange or green to red is displayed in different colors in this way, the display becomes conspicuous and becomes easier to understand. Further, it is possible to add a function of outputting the pronunciation of the displayed characters by voice from a speaker.

6 and 7 are views for explaining a third embodiment of the present invention. FIG. 6 is a schematic plan view of a matrix display device according to the embodiment, and FIG. 7 is a block diagram showing the configuration of the matrix display device. It is a figure. In the figure, 15 is a panel touch type input / display unit, 16 is a display character selection button, 17
Is a pilot lamp as a notification means, 18 is a user's hand, 26 is a storage means including a memory such as a ROM, 27
Is a determination means such as a CPU. In the case of this embodiment, first, the character whose learning order is to be learned, for example, the alphabet "H" is selected from the character selection button 16 and is pressed. By this operation, the character selection signal is input to the storage means 26 shown in FIG. The proper writing order of the characters selected from the character selection button 16 is stored in the storage means 26 in advance.

Next, the user writes the alphabet "H" on the panel touch type input section / display section 15 with the finger of his / her hand 18, and the display element in the input section / display section 15 is touched by the finger. The lights are sequentially turned on in accordance with the movement, and finally the character “H” is displayed on the input / display unit 15.

On the other hand, the input signal of the writing order by the finger to the input section / display section 15 is transmitted to the judging means 27 shown in FIG.
It is compared with the proper writing order called from the above-mentioned storage means 26, and it is judged whether or not the writing order input by the user on the input section / display section 15 is correct. When the strokes are the same as the strokes of the characters selected with the display character selection button 16, the pilot lamp 5 on the ○ side of the ○ and × side pilot lamps 5 in the upper right part lights up, and If so, the pilot lamp 5 on the x side lights up and the user can be informed. As the notification means 17,
In addition to the pilot lamp 5, it may be notified by voice or melody, for example.

FIG. 8 is a diagram for explaining the fourth embodiment of the present invention. In the figure, 21 is an input panel, 22 is a connection cable, 23 is, for example, a pen-shaped input device, 24 is a sound or voice output unit such as a buzzer or a small speaker that is a notification means, and 25 is a touch panel type input unit, for example. Is.

In the case of this embodiment, the matrix display device 1
The input panel 21 which is an input means is a separate unit. Therefore, when the same character as the character selected by the character selection button 16 is input from the input unit 25 through the input device 23, the writing order is displayed on the matrix display device 1 by lighting a large number of display elements 2.

A determination means (not shown) determines whether or not the stroke order input from the input unit 25 is the same as the character selected by the character selection button 16, and the determination result of correctness is output to the output unit 24 at the upper right. Will be notified by sound or voice.

In each of the above-mentioned embodiments, self-luminous display elements such as LEDs are used for use in group applications such as classes, but non-self-luminous display elements such as LCD are used for personal purposes. You can also

[0026]

The first aspect of the present invention has a learning function not only by expressing the form of characters in a matrix display but also by sequentially displaying the characters in the writing order. In addition, the change in the display attracts the user's interest, and the stroke order can be naturally remembered by simply looking repeatedly.

The second aspect of the present invention has a function of determining whether or not the writing order actually input by the user to the input section is correct, so that the writing order can be accurately learned as a self-study.

Since the writing order can be practiced without using paper, resource saving can be achieved.

[Brief description of drawings]

FIG. 1 is a diagram showing a display state of a matrix display device according to a first embodiment of the invention.

FIG. 2 is a diagram showing the writing order of numbers in the matrix display device in time series.

FIG. 3 is a conceptual diagram of an LED bare chip used in a matrix display device according to Example 2 of the present invention.

FIG. 4 is an LED lighting circuit diagram in the matrix display device.

FIG. 5 is a diagram showing the writing order of numbers in the matrix display device in time series.

FIG. 6 is a schematic plan view of a matrix display device according to a third embodiment of the invention.

FIG. 7 is a block configuration diagram of the matrix display device.

FIG. 8 is a schematic plan view of a matrix display device according to Example 4 of the present invention.

[Explanation of symbols]

 1 Matrix Display 2 Display Part 4 LED Bare Chip 4R Red Light Emitting LED Bare Chip 4G Green Light Emitting LED Bare Chip 11 X Axis Wiring 12 Y Axis Wiring 15 Input and Display 16 Display Character Selection Button 17 Pilot Lamp 18 User's Hand 21 Input panel 22 Connection cable 23 Input device 24 Sound or voice output section 25 Input section 26 Storage means 27 Judging means

 ─────────────────────────────────────────────────── ─── Continuation of the front page (72) Inventor Takashi Tayama 1 Kitano, Masaki, Mizusawa City, Iwate Prefecture Hitachi Mizusawa Electronics Co., Ltd.

Claims (3)

[Claims] 1. A matrix display device having a function of displaying characters such as kana characters, kanji, numbers, and alphabets in the writing order of the characters. 2. The device according to claim 1, wherein the first and second light emitting elements having different emission colors are arranged adjacent to each other in a matrix, and the entire character to be displayed is displayed by turning on the first light emitting element. The matrix display device is characterized in that the second light emitting elements are sequentially turned on in accordance with the writing order of the characters. 3. A character selection unit capable of appropriately selecting a character for practicing writing order, a writing order storage unit in which a writing order of the character selected by the character selection unit is stored in advance, and selected by the character selection unit. The input means for the user to write and input the same character as the input character, and the writing order of the character selected by the character selection means is called from the writing order storage means, and the writing of the character input by the input means is performed. A matrix display device comprising: a determination unit that determines whether or not the writing order of the user is correct by comparison with the order, and an informing unit that notifies the determination result by the determination unit.