JP2532243Y2 - Day display device - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION [Technical Field of the Invention] The present invention relates to a day display device.

[Prior Art and its Problems] Conventionally, a day display device has been put to practical use, in which a plurality of square dot displays arranged in a matrix are selectively turned on to display the days of the week in dots in Chinese characters.

By the way, in this type of device, each dot lit in the dot display has a rectangular shape as described above. Therefore, when displaying a diagonal line in a character, a right angle portion of the rectangular dot is formed along the outer edge thereof. Is very unnatural. Therefore, the display of kanji including oblique lines was not so recognizable. In particular, the letter “Friday” indicating Friday is Because the two oblique lines that constitute are unnatural, those who are unfamiliar may not even be able to recognize that the characters are “gold”. In addition, conventionally, when displaying Chinese characters, they are displayed with small dots for clear display because the shape is complicated. However, since the width of the kanji line is displayed by a plurality of square dots, there is a disadvantage that the yield is low in the manufacture of a display.

[Purpose of the Invention] The present invention has been made in view of the above-mentioned circumstances, and has kanji characters “Mon”, “Tu”, “Wed”, “Thu”,
The object of the present invention is to provide a day display device that makes the display of diagonal lines during "Fri", "Sat", and "Sun" more natural, enables easy viewing of each of the above kanji, and has a high yield in the manufacture of a display. And

[Gist of the Invention] In the present invention, in order to achieve the above object, based on the day of the week information obtained by the clock circuit, kanji characters of the day from “day” to “sat” representing seven days including Friday are switched and displayed. A day display device, wherein the day display device has a rectangular display body, a triangular display body, and a triangular or trapezoidal shape obtained by dividing the square into two parts, and the pair has the square shape. A pair of divided display bodies formed so that the pair of divided display bodies are provided at the position of the upper symbol `` Λ '' portion of the day-of-the-week kanji of `` Fri '', The lower part of the day of the week The triangular display body is provided at the position of When displaying the day-of-the-week kanji of “Fri”, the square-shaped display body is located at a position necessary for displaying the day-of-the-week kanji of “Fri”. In addition to displaying the display body, while turning on one of the pair of divided display bodies, turning off the other, and lighting each of the triangular display bodies,
When displaying other day-of-the-week kanji characters other than the day-of-the-week kanji of “Fri”, the square-shaped display body is displayed at a position necessary for displaying the other day-of-the-week kanji, among the square-shaped display bodies. Display control means for turning on or off both of the pair of divided display bodies.

Hereinafter, the present invention will be specifically described based on an embodiment shown in the drawings.

Configuration As shown in FIGS. 1 to 10, the day display device of this embodiment is based on the day information obtained by a time counting circuit 3 and the like constituting a clock circuit, and is a "day" representing seven days including Friday. Is a day-of-the-week display device in which day-of-the-week kanji characters from to are displayed.

As shown in FIG. 3, the day display device has a rectangular display body 30, a triangular display body 31, and a triangular or trapezoidal shape obtained by dividing the square into two parts. And a pair of divided display bodies 32 formed in a square shape.

The pair of divided display bodies 32 is provided at the position of the "Λ" part of the upper image of the day-of-the-week kanji of "Fri", and the lower image of the day-of-the-week kanji of "Fri". And the triangular display body
31 is the lower figure And as shown in FIG. 9,
When displaying the day-of-the-week kanji of "Fri", in addition to displaying the display of the square 30 at a position necessary to display the day-of-the-week kanji of "Fri" among the square-shaped display bodies, While turning on one of the pair of split display bodies 32, turning off the other, and turning on each of the triangular display bodies 31, as shown in FIGS. 4 to 8 and FIG. When displaying other day-of-the-week kanji characters other than the day-of-the-week kanji of “Fri”, of the square-shaped display body 30, the square-shaped display body 30 at a position necessary for displaying the other day-of-the-week kanji is displayed. In addition to displaying, the pair of divided display bodies
It comprises a day of the week counting circuit 5 and a display driving circuit 12 which constitute display control means for turning on or off both of the 32.

FIG. 1 shows a circuit configuration of the present embodiment, and an oscillation circuit 1
Is a circuit which always sends out a signal of a constant frequency. . The time counting circuit 3 counts the 1 Hz signal to obtain the current time data, sends it to the AND gate 7 described later, and counts the day carry every time 12:00 pm is counted. This is a circuit to be sent to the circuit 5.
The date counting circuit 4 is a circuit that counts the day carry from the time counting circuit 3, obtains date data of the day, and sends it to the AND gate 8 described later. Day of the week counting circuit 5
Is a circuit for obtaining day data of the day based on the day carry from the time counting circuit 3 and sending it to the AND gate 11 described later.

The T flip-flop 6 is a flip-flop that obtains a signal sent each time the switch Sw is operated, and alternately sends an output Q or an inverted output. And Gate 7
Is a circuit which is opened by the inverted output and sends the current time data from the time counting circuit 3 to the OR gate 9. The AND gate 8 is opened by the output Q and sends the date data from the date counting circuit 4 to the OR gate 9. The OR gate 9 is a circuit that sends the current time data or date data sent via the AND gate 7 or 8 to the display drive circuit 10. The display drive circuit 10 is a circuit for displaying the transmitted current time data or date data on the numeric display section 13a of the liquid crystal display panel 13.

The AND gate 11 is opened by the output Q described above, and outputs the day data from the day counting circuit 5 to the display driving circuit 12.
Circuit. The display drive circuit 12 is a circuit for displaying the transmitted day data on the day display section 13b of the liquid crystal display panel 13.

The liquid crystal display panel 13 is provided with a 7-segment type display, etc., and is provided with a numeric display section 13a on which current time data or date data is displayed, and segments and common electrodes described later. And a day of the week display section 13b for displaying the day of the week data in kanji using these.

FIG. 2 shows the arrangement of the electrodes in the day display section 13b. That is, in the figure, the front panel of the liquid crystal display panel 13 is used as a substrate, and a number of segment electrodes SE disposed inside the substrate are represented by solid lines, and the rear panel of the liquid crystal display panel 13 is used as a substrate. A large number of first common electrodes C1 and second common electrodes C2 disposed on the front surface are represented by dotted lines and alternate long and short dash lines, respectively. Note that the first common electrode C1 and the second common electrode C2 are collectively connected to each other, and a common signal is alternately supplied for 1 / 2-duty time-division driving. Also, as shown in FIG.
The portion that displays dots sandwiched between the common electrode C1 or the second common C2 has a substantially rectangular shape,
In principle, they are arranged in 7 rows and 7 columns, but in the first, fourth, and fifth rows, those in the first and seventh columns are excluded.

In the third and fifth columns of the first row, the second and sixth columns of the second row, and the first and seventh columns of the third row, the common electrode is divided into a first common electrode C1 and a second common electrode C2. On the other hand, in the third and fifth columns of the second row and the second and sixth columns of the third row, the segment electrode SE is divided to be of a different system, and divided lighting is performed. It is possible.
Further, in the second and sixth columns of the sixth row, the segment electrodes SE are divided so as to be of different systems, so that they can be separately lit. In the third and fifth columns of the same row, the segment electrodes SE are arranged.
SE has a triangular shape so that only triangular dots can be displayed. Thus, when all the dots that can be displayed on the day display section 13b are displayed, the display is as shown in FIG.

Operation Next, the operation of the present embodiment configured as described above will be described.

For example, the day counting circuit 5 counts Sundays, and the day counting circuit 5 sends the day data indicating the Sunday to the display driving circuit 12 to the display driving circuit 12 via the opened AND gate 11. It is assumed that In this case, the display drive circuit 12 includes a number of segment electrodes SE, a first common electrode C1, and a second common electrode C2 of the day display section 13b.
Is driven by a 1/2 duty, 1/2 bias drive method,
Each of the display dots is selectively turned on to display a kanji character “day” indicating Sunday. Thus, the display of the day display section 13b is as shown in FIG. In the figure, square dots with diagonal lines indicate that both of the dot display bodies that can be divided and lit are lit.

Hereinafter, when the day counting circuit 5 counts each day of the week on Monday, Tuesday, Wednesday, and Thursday, the same operation as described above is performed, and the day of the week display section 13b is displayed on the day of the week display section 13b as shown in FIGS. Is displayed.

Further, the day counting circuit 5 counts the Friday and displays a display driving circuit.
When the day data indicating Friday is sent to 12, the third and fifth columns of the first row, the second and second columns of the second row of the day display section 13b are displayed.
Each of the dot display bodies in the third, fifth and sixth columns, the first, second, sixth and seventh columns in the third row, and the second and sixth columns in the sixth row are divided and lit to display only one of them. Thus, the very natural "gold" characters are displayed on the day of the week display section 13b as shown in FIG. In this case, the triangular dot display in the third row and the fifth column of the sixth row is also turned on, and the character of "gold" is more easily understood.

Further, when the day counting circuit 5 counts Saturdays, the same operation as described above is performed and the tenth day display section 13b displays the tenth day.
A dot is displayed as shown in the figure.

The present invention is not limited to the above embodiment, and various modifications can be made without departing from the present invention.

[Effects of the Invention] As described in detail above, this invention is located at a position required to display the day-of-the-week kanji of "gold" in the rectangular display when displaying the day-of-the-week kanji of "gold". In addition to displaying the rectangular display, one of the pair of divided displays is turned on, the other is turned off, and each of the triangular displays is turned on, while other than the day of the week kanji of "Fri" When displaying other day-of-the-week kanji, in addition to displaying the square-shaped display at the position required to display the other day-of-the-week kanji, of the square-shaped display, a pair of divided display Is turned on or off, so that the kanji "Mon", "Tue", "Wed",
Day of the week display device that makes the display of diagonal lines during "tree", "gold", "soil", and "day" more natural, allows easy viewing of each of the above-mentioned kanji characters, and has a high yield in the manufacture of display devices. Can be provided.

[Brief description of the drawings]

FIG. 1 is a diagram showing a circuit configuration of an embodiment of the present invention, FIG.
FIG. 3 is a diagram showing the arrangement of the electrodes of the dot display in the day display section in the above embodiment, FIG. 3 is a diagram showing the display when all the dots are lit, and FIGS.
The figure shows a display example displayed using the dot display. 1 oscillating circuit, 2… frequency dividing circuit, 3… time counting circuit, 4… date counting circuit, 5… day counting circuit, 6…
T flip-flops, 10, 12 ... Display drive circuit, 13 ...
Liquid crystal display panel, 13a: Numeric display, 13b: Day display, SE: Segment electrode, C1: First common electrode, C2
... Second common electrode.

 ──────────────────────────────────────────────────続 き Continuation of the front page (56) References JP-A-52-132695 (JP, A) JP-A-58-43488 (JP, A) JP-A-61-67884 (JP, A) JP-A-59-1983 193487 (JP, A) Actually open 1-75293 (JP, U)

Claims (2)

(57) [Scope of request for utility model registration] 1. A day display device in which day kanji characters from “day” to “sat” representing seven days including Friday are switched and displayed based on day information obtained by a clock circuit. A rectangular display body, a triangular display body, and a pair of divided display bodies that form a triangular or trapezoidal shape obtained by dividing the rectangular shape into two, and are formed as a pair with the rectangular shape. The pair of divided display bodies are provided at the position of the upper symbol “上部” of the day-of-the-week kanji of “Fri”, and
The lower part of the day of the week The triangular display body is provided at the position of When displaying the day-of-the-week kanji of "Fri", the square-shaped display body is located at a position necessary for displaying the day-of-the-week kanji of "Fri". In addition to the display of the display body, one of the pair of divided display bodies is turned on, the other is turned off, and each of the triangular display bodies is turned on. When displaying the day-of-the-week kanji, in addition to displaying the square-shaped display at a position required to display the other day-of-the-week kanji, the pair of divided displays A day display device, comprising: display control means for turning on or off both of the bodies. 2. The utility model registration according to claim 1, wherein the width of the rectangular display body is formed to be the same as the width of a vertical line constituting the day of the week kanji. Day of the week display.