JPH11235408A - Numeral display device for sport contest - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a numeral display device for sport contest which an be used regardless of indoors or outdoors by allowing clear visual recognition of displayed numerals as well as numerals displayed according to the intensity of outdoor light even when the outdoor light such as sun light directly hits it. SOLUTION: This numeral display device 1 which is installed at a sport facility indoors or outdoors to display numerals of time, scores and the like includes a liquid crystal display device comprising a transmission type liquid crystal, a white based board arranged on the rear of the liquid crystal display device, a lighting device to light the white based board integrally arranged on the white based board and a controller 3 to actuate the lighting device according to the intensity of outdoor light while controlling the display of the liquid crystal display device.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a number display device for sports competitions, which is installed in an outdoor sports facility or an indoor sports facility, and is capable of clearly displaying numbers such as time and scores in various sports.

[0002]

2. Description of the Related Art Conventionally, a large number display device is installed in various grounds as, for example, outdoor sports facilities, and a number such as a time of a competitor, a competition time, or a score is displayed. As this type of numeral display device, a self-luminous display device using a high-luminance light-emitting diode is provided, and this display device is configured to display a predetermined numeral.

[0003]

However, in such a numeric display device, especially when the device is installed outdoors, if the sunlight directly hits the light emitting surface of the display, the sunlight will be reflected on the display. There has been a problem that the displayed numbers are reflected on the surface and cannot be clearly seen. Especially,
This kind of problem is likely to occur in the daytime where sunlight is strong, and it is actually desired that a numeric display device that allows the audience and competitors to clearly see the time, score, etc. at all times is desired. is there.

[0004] Further, the light emitting diode of the display device has a high luminance but is set to be substantially constant, so that it can be clearly recognized in a relatively dark environment such as indoors. When installed outdoors, it becomes difficult to see due to the external light intensity as described above,
There is a problem that it is difficult to make the displayed number clear and visible according to the external light intensity.

The present invention has been made in view of such circumstances, and an object of the invention described in claim 1 is to provide a method for displaying numbers even when external light such as sunlight is directly applied. It is an object of the present invention to provide a number display device for a sports competition, which allows the player to clearly recognize the number. Further, an object of the invention described in claim 2 is that even when external light such as sunlight is directly applied, the displayed number can be clearly recognized and displayed according to the external light intensity. It is an object of the present invention to provide a number display device for a sports competition that allows a user to clearly recognize a number in use and can be used both indoors and outdoors.

[0006]

In order to achieve the above object, the invention according to claim 1 of the present invention is a numeral display device which is installed in indoor and outdoor sports facilities and displays numerals such as time and score. A liquid crystal display comprising a transmissive liquid crystal; display means comprising a white board disposed on the back of the liquid crystal display; and control means for controlling the display of numbers on the display means. Features.

With such a configuration, each segment of the liquid crystal display of the display means is turned on by a control signal of the control means, and a predetermined number is displayed. This figure indicates that even when external light such as sunlight hits the liquid crystal display, the external light passes through the liquid crystal display and is reflected by the white board because the liquid crystal display is formed of transmissive liquid crystal. Also, by introducing external light from the upper side of the liquid crystal display, this external light can be reflected by the white board, whereby the numbers on the liquid crystal display can be clearly seen,
This visibility improves as the intensity of external light such as sunlight increases.

According to a second aspect of the present invention, there is provided a numeral display device which is installed in an indoor or outdoor sports facility and displays a number such as a time or a score, the liquid crystal display comprising a transmissive liquid crystal; A white board placed on the back of the display,
It is characterized by comprising a lighting device integrally provided on the white board and illuminating the white board, and a control device for controlling the liquid crystal display and operating the lighting device according to the intensity of external light. .

According to this structure, each segment of the liquid crystal display is turned on by the control device to display a predetermined numeral, and the numeral is determined by the white board disposed on the back surface. Similarly to the above, even when installed outside where the external light intensity is strong, the displayed numbers can be clearly recognized.

When installed in an indoor sports facility where the external light intensity is weak, the lighting device is turned on by the control device to brighten the white board, so that the displayed numbers can be clearly recognized as in the case of outdoors. Can be done.
Thereby, the displayed number can be clearly recognized in accordance with the external light intensity, and can be used both indoors and outdoors.

[0011]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below in detail with reference to the drawings. 1 to 4 show an embodiment of a number display device for sports competition according to the present invention. FIG. 1 is a basic block diagram, FIG. 2 is a perspective view of the display, and FIG. FIG. 4 is a front view of the display showing an example of a numerical display state, as viewed from the direction of the arrow A in FIG.

In FIG. 1, a numeral display device 1 comprises a display device 2 and a control device 3 for controlling the display of the display device 2. The display 2 has a transmissive liquid crystal unit 4 as a liquid crystal display and an illumination lamp 5 as an illumination device, and is configured as shown in FIGS. 2 and 3.

That is, the transmission type liquid crystal unit 4 of the display 2 is formed in a rectangular shape which is elongated in a front view, and is fixed in the case 6 via the fixing plate 7. As shown in FIG. 2, the transmission type liquid crystal unit 4 includes four number display portions 8a to 8d each including seven segments, two number display portions 9a and 9b each displaying a number "1", and a number display portion. Part 8b
And a colon display 10 composed of two segments provided between the number display 9b. Each segment is a transparent electrode and connection cable 11 (not shown).
Is connected to the control device 3 via the. The size of each of the numeral display portions 8a to 8d is, for example, 200 mm × 150.
mm.

On the front surface of the transmission type liquid crystal unit 4,
A transparent protective glass 12 is provided, and a white board 13 is provided on the rear side of the transmissive liquid crystal unit 4 at a predetermined interval. The case 6 in which the transmissive liquid crystal unit 4 is accommodated is provided with transparent external light at least on its upper and lower surfaces so that external light such as sunlight can be introduced into the case 6 from outside as shown by an arrow A in FIG. A portion 6a is formed. Further, a cushion member 14 is interposed between the transmission type liquid crystal unit 4 and the protective glass 12.

Further, an illumination lamp case 15 is fixed on the back side of the white board 13, and the illumination lamp 5 composed of a fluorescent lamp or the like is accommodated in the illumination lamp case 15.
In the illumination lamp case 15, a reflector 16 having a predetermined curvature is arranged from the rear of the illumination lamp 5 to the white board 13, and the illumination light of the illuminated lamp 5 is turned on by the reflection plate 16 in FIG. The white board 13 is illuminated by being reflected as indicated by the arrow B. In addition, the white boat 13 arranged in front of the lighting lamp 5 is provided with the illumination light of the lighting lamp 5 directly or the reflecting plate 16.
It is formed so that the surface side becomes bright white by being reflected by and irradiated from the back side.

As shown in FIG. 1, the control device 3 has a control circuit 18 composed of, for example, a microcomputer or the like.
The control circuit 18 includes a liquid crystal display driving circuit 19 for operating the transmission type liquid crystal unit 4 and a lighting lamp 5.
Is connected to an illuminating light driving circuit 20 for turning on. The control circuit 18 has an input operation panel 2 for inputting numbers and the like.
1, and a sensor 22 for measuring the external light intensity are connected. The sensor 22 outputs a predetermined signal to the control circuit 18 when the external light intensity becomes equal to or less than a predetermined value, thereby operating the illumination lamp driving circuit 20 to turn on the illumination lamp 5.

Next, the operation of the numeral display device 1 will be described. First, when the numerical display device 1 is installed on a ground having a track outdoors, a soccer field, a baseball field, or the like, and when the external light intensity can be sufficiently obtained by sunlight in the daytime, the control circuit 18 of the control device 3 Corresponds to the transmission type liquid crystal unit 4 of the display 2 via the liquid crystal display drive circuit 19, corresponding to the input signal of the input operation panel 21, or to the measurement time of a timer (not shown) connected to the control circuit 18. Display the number that was set.

As this display, for example, when the sport being played is a 100 m competition, as shown in FIG. 4, it is displayed that the time of the competitor is 10 seconds 13. Since the number displayed on the transmission type liquid crystal unit 4 is transmitted through the unit 4 without being reflected on the surface of the transmission type liquid crystal unit 4 even when the sunlight directly hits the transmission type liquid crystal unit 4 and reflected on the white board 13, The back side of the LCD panel is illuminated, and the displayed number is clearly visible when viewed from the front side of the transmission type liquid crystal unit 4.

In particular, external light also enters from the external light introducing portion 6a of the case 6 in which the transmissive liquid crystal unit 4 is disposed, and the external light illuminates the white board 13 to be whiter, that is, the external light is Since the light is reflected by the white board 13 and passes through the transmissive liquid crystal unit 4 from the rear side, the visibility of the displayed numbers is further improved.

If the outside light intensity falls below a predetermined value due to nighttime or weather, for example, the sensor 2
2 detects this and outputs a predetermined signal to the control circuit 18. When a predetermined signal is input from the sensor 22, the control circuit 18 outputs a control signal to the illumination lamp driving circuit 20 and turns on the illumination lamp 5. The white board 13 is illuminated with the illumination light by the lighting of the illumination lamp 5 to become white, and the displayed numbers are clearly visible from the front side of the transmissive liquid crystal unit 4 as in the daytime part.

On the other hand, when the numerical display device 1 is installed indoors such as a gymnasium or a dome stadium, the external light intensity is relatively weak. The illuminating lamp 5 is turned on via the circuit 18 and the illuminating lamp driving circuit 20, and the number displayed on the transmissive liquid crystal unit 4 is clearly visible.

As described above, the numeral display device 1 of the above embodiment
According to this, since the transmissive liquid crystal unit 4 is used for the display 2 and the white board 13 is arranged on the back side, when installed outdoors, for example, sunlight directly hits the transmissive liquid crystal unit 4. However, the light can be transmitted through the transmissive liquid crystal unit 4 and reflected by the white board 13, and the displayed number can be clearly seen from the front side of the transmissive liquid crystal unit 4.

Further, since external light can be introduced into the case 6 from the external light introducing portion 6a of the case 6 in which the transmissive liquid crystal unit 4 is disposed, sunlight entering from the upper and lower portions of the case 6 can be removed. The light can be reflected by the white board 13.
As a result, when the external light intensity is high, the displayed numbers can be more clearly recognized, and even when the external light intensity is low, the displayed numbers can be visually recognized clearly. Can be.

Further, an illumination lamp 5 is integrally provided on the back side of the white board 13 and the illumination lamp 5 is connected to the sensor 2.
2 can be turned on based on the detection signal,
For example, when the external light intensity is not sufficient due to nighttime or weather due to being installed outdoors, or in the daytime when the external light intensity is not sufficient due to being installed indoors, the white board 13 can be illuminated by turning on the illumination lamp 5. As a result, the numbers displayed on the transmissive liquid crystal unit 4 can be clearly recognized. This allows the numbers displayed on the transmission type liquid crystal unit 4 to be clearly visible regardless of the indoor / outdoor or external light intensity, and can be suitably used for time display of various indoor and outdoor sports facilities.

FIG. 5 is a front view showing another embodiment of the numeral display device according to the present invention. The characteristic of the numeral display device of this embodiment is that the transmission type liquid crystal unit 4 has a score, not a time. Is displayed. The same parts as those in the above embodiment are denoted by the same reference numerals, and detailed description thereof will be omitted.

In the numeral display device of this embodiment, the transmission type liquid crystal unit 4 is divided into two parts on the left and right sides, and two numeral display parts 8a, 8b and 8c, 8d are provided on the left and right sides, respectively. For example, the scores of Team A and Team B are displayed on the left and right number display sections 8a and 8b and the number display sections 8c and 8d, respectively. Even with such a configuration, the same operation and effect as those of the numeral display device 1 of the above embodiment can be obtained.

In the above embodiment, the protective glass 12 is provided on the front surface of the transmissive liquid crystal unit 4. However, especially when used only indoors, the protective glass 12 is omitted and the transmissive liquid crystal unit 4 is omitted. The surface (glass surface) of No. 4 may be directly exposed to the outside. Further, in the above-described embodiment, a general sport such as land sports and ball games competing for time and scores has been described as an example of the sport. However, the sport in the present invention includes a sport having a gambling property, for example, an odds table. And the like.

Further, in the above embodiment, the sensor 22 for detecting the external light intensity is provided, and the illumination lamp 5 is turned on by the detection signal of the sensor 22.
An operation switch (not shown) may be connected to the (illumination lamp driving circuit 20), and the illumination lamp 5 may be turned on by manual operation of the operation switch.

In the above embodiment, one illumination lamp 5 is provided in the illumination lamp case 15, and the lighting of the illumination lamp 5 maintains the clarity (visibility) of the number according to the intensity of external light. However, for example, a plurality of illuminating lights 5 are arranged in the illuminating light case 15, and the number of lighting of the illuminating lights 5 is appropriately increased or decreased according to the external light intensity so as to obtain predetermined clarity. May be. In this case, a plurality of sensors 22 may be provided, and the illumination intensity may be automatically controlled by the control circuit 18 or may be adjusted manually.

Further, in the above embodiment, the display 2 and the control device 3 are connected by the connection cable 11. However, as shown by a two-dot chain line in FIG. 2, for example, the antenna 23 and the receiver ( (Not shown) may be provided to control the numerical display of the display 2 by a radio signal from the control device 3.

Further, the white board 13 in the above embodiment is used.
The color of the white can also be used as appropriate color,
Numerical display units 8a to 8d, 9a, 9b in the above embodiment
The shape of the numerals and the size of each numeral, the size and shape of the case 6, the shape of the illumination light case 15, the shape of the illumination light 5, and the like are merely examples, and can be variously changed without departing from the gist of the present invention. Needless to say, there is.

[0032]

As described in detail above, according to the first aspect of the present invention, the number displayed on the display means under the control of the control means is formed of a transmissive liquid crystal having a white board disposed on the back. Since the image is displayed on the liquid crystal display, external light or the like transmitted through the liquid crystal display can be reflected by the white board on the rear surface, and the number displayed on the liquid crystal display can be clearly recognized.

According to the second aspect of the present invention, in addition to the effect of the first aspect, the illumination device is integrally provided on the white board, so that the illumination according to the intensity of external light. You can turn on the device to illuminate the white board,
In addition to being able to clearly see the number displayed according to the external light intensity, there are effects such as being able to be used indoors and outdoors.

[Brief description of the drawings]

FIG. 1 is a basic block diagram showing one embodiment of a number display device for a sports competition according to the present invention.

FIG. 2 is a perspective view of the display.

FIG. 3 is a sectional view taken along line AA of FIG. 2;

FIG. 4 is a front view of a display showing an example of the same numeric display state.

FIG. 5 is a front view of a display device showing another embodiment of the number display device for sports competition according to the present invention.

[Explanation of symbols]

 1 Numerical display device 2 Display 3 Control device 4 Transmissive liquid crystal unit 5 ...... Illumination light 6 ... Case 6a ... External light introduction part 8a-8d ... Numerical display part 9a, 9b ... Numerical display part 10 colon display unit 13 white board 15 illumination case 16 reflector 18 Control circuit 19 ······ Liquid crystal display drive circuit 20 ······ Illumination lamp drive circuit 22 ····· Sensor

Claims (2)

[Claims] 1. A numerical display device which is installed in sports facilities indoors and outdoors and displays numbers such as time and score, comprising a liquid crystal display made of a transmissive liquid crystal and a white color arranged on the back of the liquid crystal display. A number display device for a sports competition, comprising: display means comprising a system board; and control means for controlling display of numbers on the display means. 2. A numerical display device installed in sports facilities indoors and outdoors for displaying numbers such as time and score, comprising a liquid crystal display made of transmissive liquid crystal and a rear surface of the liquid crystal display. A white board, an illuminating device provided integrally with the white board to illuminate the white board, and a control device for controlling the display of the liquid crystal display and operating the illuminating device according to the intensity of external light And a numeric display device for a sports competition.