WO1986004439A1

WO1986004439A1 - Information board apparatus

Info

Publication number: WO1986004439A1
Application number: PCT/JP1985/000034
Authority: WO
Inventors: Masami Tsuzawa; Muneharu Tominaga; Hiroshi Kato; Tadahiro Morikawa; Yoshinori Uchiyama; Osamu Waki
Original assignee: Japan Traffic Management Technology Association; Koito Industries, Ltd.; Stanley Electric Co., Ltd.
Priority date: 1985-01-26
Filing date: 1985-01-26
Publication date: 1986-07-31
Also published as: EP0210274B1; EP0210274A1; KR860700368A; EP0210274A4; KR890005294B1

Abstract

An information board apparatus has a display mechanism unit formed by arranging multiplicity of multicolor light-emitting members in a grid pattern, each of the members being constituted by a plurality of light-emitting diodes housed in a lamp case which has a heat-dissipating bore formed in its side plate portion at which the respective lead portions of the diodes are located. The display mechanism unit is attached to the front frame of the body of the apparatus. When this apparatus is employed for displaying, for example, road traffic information, the apparatus strongly attracts attention and permits the displayed information to be clearly seen.

Description

Specification

'' Information board equipment

Technical field

The present invention relates to an information board device which is used as a display element of a large number of multicolor luminous bodies, and has an improved attraction, visibility and alertness.

Background art

Conventionally, a plurality of light-emitting groups forming a predetermined display pattern are turned on from among a large number of light-emitting bodies such as a light bulb or a light-emitting diode arranged in a grid pattern to provide predetermined information. Information boards configured to be able to be displayed have been proposed. However, the luminous elements used in conventional information boards simply turn on individual bulbs or light-emitting diodes and dimming or blinking them! ) However, the display contents cannot be visually emphasized any more, and when various types of light-emitting information boards flood the limited display area, the attractiveness and visibility are relatively high. And alertness is reduced. Under these circumstances, in order to make the display of a specific information board stand out, it is necessary not only to simply turn on a predetermined display pattern and dimming or blinking it, but also to change its emission color as appropriate. There is a need. Therefore, in the present invention, a “multicolor luminous body” which was previously devised by the present inventors and filed with the Japan Patent Office as a utility model registration application No. 55-1171752 is filed. Is used. Here, the “multicolor light-emitting body” refers to a plurality of light-emitting diodes having different light-emitting colors, for example, red, yellow, and blue, one by one or a combination of a plurality of light-emitting diodes on a substrate. Array After connecting these light emitting diodes, they are fixed with a base shell having pins or bases, and a single light emitting body is designated. It is possible to change the emission color by emitting light alone or two or more colors simultaneously.] In the present invention, this is further used as a display mechanism of the information board in a grid pattern It has been improved so that it can be arranged in large numbers. That is, a plurality of light emitting diodes are simply arranged and fixed on a substrate, and these light emitting diodes are arranged.

-In a structure in which a group of diodes is simply connected and fixed with a base shell or the like, the group of light-emitting diodes constituting the multicolor light-emitting body generates heat during use, and the temperature of the light-emitting diode group increases due to a rise in temperature. Fools that lower the brightness of the LED] 7, shorten the life of the light emitting diode itself, and also cause failure of the multicolor light emitter and the information board. In addition, when used outside the volume, dustproof and waterproof properties are required for the multicolor illuminant.

Therefore, an object of the present invention is to provide a display device having a multi-colored light-emitting body as a display element and arranging a large number of such light-emitting bodies in a grid pattern to change a predetermined display pattern. An object of the present invention is to provide an information board device which can be freely lit and light-controlled or flashed, and whose emission color is appropriately changed to enhance the attraction, visibility and alertness.

Another object of the present invention is to form a multi-color light-emitting body by accommodating a plurality of light-emitting diodes. A large number of multicolored light-emitting elements that have heat dissipation properties are arranged in a grid pattern and information is displayed. Accordingly, it is an object of the present invention to provide an information board device capable of efficiently dissipating high-temperature air in a lamp case to the outside even if a structural part is configured.

Still another object of the present invention is to provide a dustproof and waterproof property to the front exposed portion of the multicolor illuminant so that the display panel can be effectively used for outdoor use. Board equipment will be provided.

Disclosure of the invention

That is, the present invention provides a display mechanism section in which a large number of multicolor light-emitting elements are arranged in a grid pattern over substantially the entire opening of the front frame constituting the main body of the information board device! ) It is attached.

In addition, each multicolor light-emitting body is located at a lead portion of the lamp that houses a plurality of light-emitting diodes constituting each multicolor light-emitting body, particularly where the temperature rises remarkably. When a heat radiation hole is formed in the side plate and a large number of multicolored light emitters are arranged in a grid pattern to form a display device, the heat radiation hole differs in the vertical direction or the left and right direction and the air flow A passage is formed so that air in the display mechanism can be convected. In addition, a light-transmitting cover is placed on the front side of the lamp case, that is, on the light-emitting part side of the light-emitting diode, to provide dustproof and waterproof properties to the outside of the main body.

Brief description of drawings

FIG. 1 is a front view showing an embodiment of an information board device according to the present invention, FIG. 2 is a plan view, FIG. 3 is a side view in which a part of a housing is cut away to clearly show an internal structure, FIG. The figure is A in Fig. 3. FIG. 5 is an enlarged perspective view showing an example of a display mechanism section in which a multiplicity of multicolor light emitters are arranged in a grid pattern. FIG. 6 is a plan view showing an example of a multicolor light emitter. The figure is the same as the front view, Fig. 8 is the same as the bottom view, Fig. 9 is the same as the side view, Fig. 10 and Fig. 9 if Fig. 9] B-B line sectional view, Fig. 11 is the same Fig. 12 (a) and (¾) are side views of a side plate piece of a lamp case, Fig. 13 is a front view showing another embodiment relating to a multicolor luminous body, Fig. 14 is the same plan view, and Fig. 15 is the same as Fig. 13! ) —! ) Line cross-sectional view, FIG. 16 parts cross 10 side view showing a modified example of the above other embodiments, _c invention for implementing a reference diagram Figure 17 is showing an example of a display path Turn-down. Best form

By the invention of this]? To explain in detail, _c to be described with reference to the accompanying drawings

1 to 12 · 1 is a main body of the information is plate device according to the present invention, which is rotatable via a hinge 2 on a housing 2 and a lower edge of a front opening of the housing 2. It is constituted by a front frame 5 which is fixed to the upper edge of the front opening of the housing 2 by using the fastener 4 at all times. Attach the display panel 6 to the front frame 5 of the main body 1 and

20 Block light rays entering the display panel 6 from both sides.

-Install C7. The display panel 6 covers almost the entire surface]? A plurality of light-shielding windows 8 arranged in a grid pattern, and a socket or a base plate 9 is arranged at the rear of the light-shielding windows 8 in the main body 1 to form a socket. Alternatively, mount a large number of multicolor 25 light-emitting bodies 10 on the substrate 9 and connect the light-shielding window 8 and the light-emitting part of the multicolor light-emitting bodies 10 to each other. Make it correspond. Between the rear side of the display panel 6 and the light-emitting section side of the multicolor light-emitting body 10, a transparent plate 11 for dust-proof and waterproofing can be arranged as desired. Reference numeral 12 denotes a drive print board that drives the individual multicolor light-emitting bodies 10 to blink.

The multicolor light-emitting body 10 has a plurality of light-emitting diodes 14 having a predetermined length of a lead portion 13 and having different emission colors arranged and fixed on the surface side of a fixed substrate 15. Wires are connected on the back side, and a predetermined number of electrodes 16 are protruded on the back side. In the illustrated embodiment, two types of light-emitting diodes 14 having different emission and light colors are used as the light-emitting diodes 14, and a plurality of the light-emitting diodes 14 are alternately and squarely arranged to form a light-emitting diode group. Although the number is shown, the number of the light emitting diodes 14 arranged on the 'fixed' fixed substrate 15, the kind of the light emitting color and the combination thereof are constituted by the multicolor light emitting body 10. The information board can be freely selected and changed according to the purpose of use, and is not particularly limited to the above. The lamp case 17 for surrounding the plurality of light emitting diodes 14 formed as a group as described above to form one multicolor light emitting body 10 is provided. Attach. This lamp case 17 is provided with a heat radiating hole 18 on each side plate surface which is located at the lead portion 13 of the light emitting diode 14 and faces each other! When a large number of multicolor light-emitting bodies 10 are arranged in a grid pattern to constitute a display mechanism of an information board device, heat-dissipating holes 18 of the multicolor light-emitting bodies 10 arranged adjacent to each other are connected to each other. Can be communicated with. Thus, high-temperature air generated in the lead portion 13 of the light-emitting diode 14 is radiated through the heat radiation holes 18. In the illustrated embodiment, the air can be ventilated from below to above through the following to prevent the temperature of the display mechanism of the information board device from rising. The lamp case 17 is made up of two side plate pieces 17a and 17 having a substantially U-shaped cross section! ), These side plate pieces 17a, 17¾ are combined to form a single rectangular lamp case 17. That is, each of the side plate pieces 17a and 17¾ is provided with the above-described heat radiating hole 18 on the undivided side plate and the groove 19 for fitting the end of the fixed substrate 15 at the lower end thereof. ]), And the divided surface which is adjacent to each other and forms a single side plate as a lamp case 17 is hooked to the edge of the divided surface of one side plate piece 17a. A hook 20 for hooking the 'hook 20' is formed at an end 'of the divided surface of the piece 20 and the other side plate 17', and the side plate 'pieces 17a, 17b are formed on the side 17'. ] · When assembling the lamp case 17, the above-mentioned hooking pieces 20 and the hooking 接近 21 are engaged while the divided surfaces of the two are closely joined from the left and right directions, and the hooking pieces are 20 Hooks Formed hooks 22 are engaged with the ends of hooking edges 21. When the lamp case 17 is divided, the hook piece 20 is pushed out of the side plate piece 17a so as to be spread out, and the hook 22 is moved to the end of the hook edge 21. Then, the side plates 17a and 17 17 may be separated. 23 is a guide piece formed on one of the side plate pieces 17a, 17 ，, and 24 is a guide groove formed on the other of the side plate pieces 17a, 17 to which the above guide piece 23 is fitted.

The lamp case 17 can be formed in advance as a single cylindrical body. In this case, on the fixed substrate 15 A plurality of light emitting diodes 14 arranged in a fixed manner are inserted into the lamp case 17 from below the lamp case 17, and the lower end of the lamp case 17 is inserted. What is necessary is just to fit the edge of the fixed substrate 15 into the groove 19 of the lamp case 17 while pushing and expanding the edge. In addition, five holes for heat radiation 18 can be formed on all side plates of the lamp case 17 to allow high-temperature air generated in the light-emitting diode 14's lead 13 to be ventilated to the left and right. obtain.

In addition, at the front opening of the lamp case, it is desirable.] A milky plate or a filter 10 for adjusting the emission color of the light emitting diode group, or the light emitting diode group A lens or the like (not shown) for expanding the visual recognition area for the camera can be detachably attached.

'. In this invention, the lamp case 17 has a hood function. That is, when the light emitting diode 14 constituting the multicolor light emitting body 10 is irradiated with external light, depending on the irradiation direction, the light emitting diode 14 is liable to cause a harsh state. Also, the visibility is significantly reduced. Generally, this external light is shielded by the light-shielding window 8 of the display panel 9, but the terminal of the lamp case 17 is located forward of the light-emitting diodes 14.

It can also be prevented by making it protrude. The protruding length at the edge of the lamp case 17 should be individually and specifically determined according to the usage state of the multicolor light-emitting body 10, but generally, the external light It is sufficient that the projection length on the irradiation direction side is 10 to 15 mm. In this way, 25 multicolor luminous bodies with a structure of 10 are used! ) Remove the light blocking window 8 of the display panel 9 and It can be one display window.

Information such as characters, figures, and symbols to be displayed on the display panel 6, for example, information such as "warning declaration issuance" as shown in Fig. 17, is provided in advance by a semiconductor of a control mechanism (not shown). Memory Selects one or more display patterns from among the multiple display patterns stored in the five elements, and sends control signals related to the selected display patterns to the display mechanism side. The group of multicolor light emitters 10 corresponding to the display pattern is turned on from among the multicolor light emitters 10 and the light is adjusted or blinked to drive the display.

1 0 Perform the operation. The above-mentioned control mechanism can be housed in the housing 2 of the main body 1 together with other electrical devices, or can be a device outside the housing 2 if desired. .

FIG. 13 to FIG. 15 show another embodiment relating to a multicolor illuminant! In order to provide anti-dust and waterproof properties to the inside of the lamp case 17 and to enhance adaptability to outdoor installation, a translucent cover 25 is provided at the front opening of the lamp case 17. It is covered. As the cover 25, a milky plate, a colored filter, a lens, or the like can be used according to the application. In this embodiment, lamp case 17 is used.

2 0 formed in a cylindrical shape, its entire circumference into six louvers 18 formed to. There, its permeability設数further this _c not always limited to this run-up to case 17 A screw 26 is threaded at a predetermined position on the outer peripheral surface of the radiating hole, usually the front of the heat radiating hole 18, a flange 27 is protruded at the end of the screw 26, and a nut 28 is screwed into the screw 26. Congruence

25 These collars 27 and nuts 28 are used to This is used to clamp the mounting plate 29 when the array is fixed to the display mechanism.) By tightening and tightening the nut 28, the individual multicolor light-emitting elements are separated from the mounting plate 29. 14 can be freely attached and detached. The structure for holding the mounting plate 29 is not limited to the combination of the thread 26 and the nut 28 as described above.

FIG. 16 shows a modified example of the above embodiment relating to the front opening of the lamp case 17 in which j9 is slightly protruded forward of the cover 25. In addition, it is possible to prevent external light such as sunlight from directly shining on the light-emitting surface of the cover 25, thereby lowering the contrast between the two and reducing visibility. The protruding edge is usually about 10 to 15 baskets in front of the cover 25. A sufficient degree is sufficient.

According to the present invention thus configured, a specific display pattern corresponding to the road information of the installation area of the information board device according to the present invention is selected from the predetermined display pattern group. This can be selected to display this at the desired luminance, and the emission color can be changed appropriately to enhance the attractiveness, visibility, and alertness.

In addition, the high-temperature air generated in the lamp case is ventilated through the radiator holes to suppress the temperature rise in the lamp case and to reduce the brightness of the light emitting diode due to the high heat and other failures. eliminate the occurrence cause further dust resistance can and this for on adaptability of outdoor installation of O information plate device and this pick excellent multicolored light emitting waterproofness direction is _c Industrial applicability

As described above, the information board device according to the present invention is suitable for application as a road traffic information apparatus to be installed outdoors and other information boards.

Claims

5 ^

Range of SE request

A display mechanism in which a large number of multicolored light emitters are arranged in a grid pattern, and one or more arbitrary display patterns from a plurality of display patterns stored in a semiconductor storage element. A control mechanism for selecting and transmitting a control signal relating to the selected display pattern to the display mechanism side, and illuminating a multicolor illuminant group corresponding to the selected display pattern, and adjusting its dimming or Blinks, and furthermore, an information board device comprising a switch mechanism for appropriately switching the emission colors of the multicolor illuminant group.

2. A plurality of types of light-emitting diodes, each of which has a lead part of a predetermined length on the front side, are fixed and arranged one by one or a plurality of them, or electrodes are formed on the back side. And a lamp case for detachably holding the substrate and accommodating a light-emitting diode, and a plurality of light-emitting diodes are provided on a side plate of the lamp case. The information board device according to claim 1, wherein a heat radiation hole is formed at a lead portion of the door and penetrates in a left-right direction or a vertical direction.

3. The information board according to claim 2, wherein the opening edge of the lamp case on the side of the light emitting diode in the projection direction is protruded by a predetermined length forward of the light emitting diode. apparatus.

4. The information board as set forth in claim 2, wherein a light-transmitting cover is covered on a front opening of the lamp case.

5. The information board device according to claim 3, wherein the cover is a milky white or colored filter.

6. The information board device according to claim 3, wherein the cover has a lens function.