JP3157255U - Interior-lit signboard - Google Patents

Interior-lit signboard Download PDF

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JP3157255U
JP3157255U JP2009008374U JP2009008374U JP3157255U JP 3157255 U JP3157255 U JP 3157255U JP 2009008374 U JP2009008374 U JP 2009008374U JP 2009008374 U JP2009008374 U JP 2009008374U JP 3157255 U JP3157255 U JP 3157255U
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advertising board
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大野　隆
隆 大野
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株式会社総合廣告社
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Abstract

【課題】発光ダイオードによる内照式看板における広告板の明るさのムラを、簡単な内部構造で、重量も増加させることなく低減できるようにすることである。【解決手段】矩形状の看板枠１の対向する縦辺の内面側に、複数の発光ダイオード３を共通の細長基板４に配列したＬＥＤ蛍光灯５を、互いに対向する相手方の縦辺に向けて取り付け、これらのＬＥＤ蛍光灯５から所定の照射角で拡がる光を、相手方の縦辺側の広告板２ａ、２ｂの裏面に斜めに照射して、これらの両方の縦辺側から斜めに照射される光の照射領域が、各広告板２ａ、２ｂの裏面を対向する縦辺間の全域でカバーするようにすることにより、簡単な内部構造で、重量も増加させることなく、各広告板２ａ、２ｂの明るさのムラを低減することができるようにした。【選択図】図５An object of the present invention is to make it possible to reduce unevenness in the brightness of an advertising board in an internally illuminated signboard by a light emitting diode without increasing the weight with a simple internal structure. An LED fluorescent lamp 5 in which a plurality of light emitting diodes 3 are arranged on a common elongated substrate 4 is arranged on the inner side of opposing vertical sides of a rectangular signboard frame 1 toward the opposing vertical sides of the other. Attach and spread light from these LED fluorescent lamps 5 at a predetermined irradiation angle obliquely to the other side of the other side of the advertising board 2a, 2b and irradiate obliquely from both of these vertical sides. Each of the advertising boards 2a, 2a, 2b, with a simple internal structure and without increasing the weight. The brightness unevenness of 2b can be reduced. [Selection] Figure 5

Description

本考案は、文字や絵等が描かれた広告板の裏面に内側から光を照射して、広告板を照明する内照式看板に関する。   The present invention relates to an internally illuminated signboard that illuminates an advertising board by irradiating light on the back side of the advertising board on which characters, pictures, and the like are drawn.

内照式看板は、看板枠の片面側または両面側に、文字や絵等が描かれた光を透過する広告板を設け、内部に配置した光源から広告板の裏面に光を照射して、夜間でも広告板を視認できるように照明するものであり、看板枠の形状は殆どのものが矩形状とされている。以前は、看板の光源には蛍光灯が多く用いられていたが、蛍光灯は寿命が短くメンテナンス周期が短くなることや、消費電力が大きくなることから、近年は、発光ダイオードが用いられるようになってきている。   The internally-illuminated signboard is provided with an advertisement board that transmits light on which characters and pictures are drawn on one side or both sides of the signboard frame, and light is applied to the back of the advertisement board from a light source arranged inside, The billboard is illuminated so that the billboard can be seen even at night, and the signboard frame is almost rectangular in shape. In the past, fluorescent lamps were often used as light sources for signboards. However, fluorescent lamps have recently been used with light-emitting diodes because of their short lifespan and short maintenance cycles and high power consumption. It has become to.

発光ダイオードは寿命が長く、少ない消費電力で高い輝度が得られるが、光が拡がる照射角が１２０°程度以下となり、蛍光灯よりも光の指向性が高いので、そのまま広告板の裏面に光を照射すると、広告板に明るさのムラが生じる問題がある。このような広告板の明るさのムラを低減する手段としては、反射板を介して広告板に光を照射する手段（例えば、特許文献１参照）や、光分散部材を介して広告板に光を照射する手段（例えば、特許文献２参照）が提案されている。また、広告板自体に光拡散性を持たせる手段（例えば、特許文献３参照）も提案されている。   Light-emitting diodes have a long lifetime and high brightness with low power consumption. However, the illumination angle at which light spreads is about 120 ° or less, and the directivity of light is higher than that of fluorescent lamps. When irradiated, there is a problem that unevenness of brightness occurs on the advertising board. As a means for reducing such unevenness in the brightness of the advertising board, a means for irradiating the advertising board with light through a reflector (for example, see Patent Document 1), or a light to the advertising board through a light dispersion member. The means (for example, refer patent document 2) is irradiated. In addition, means (for example, see Patent Document 3) for giving the advertising board itself light diffusibility has been proposed.

特許文献１に記載されたものは、図６に示すように、両面側に広告板５１が設けられた内照式看板の内部に、傾斜させた反射板５２を配置し、広告板５１と平行に向けた各発光ダイオード５３の光を反射板５２に反射させて、両面側の広告板５１の裏面に照射するようにしている。   As described in Patent Document 1, as shown in FIG. 6, an inclined reflecting plate 52 is arranged inside an internally illuminated signboard provided with advertising plates 51 on both sides, and is parallel to the advertising plate 51. The light of each light-emitting diode 53 directed toward is reflected by the reflecting plate 52 and irradiated on the back surface of the advertising board 51 on both sides.

特許文献２に記載されたものは、図７に示すように、両面側の広告板５１の裏面に直角に向けた各発光ダイオード５３を椀状の光分散部材５４で覆い、各発光ダイオード５３の光を光分散部材５４に通して、両面側の広告板５１の裏面に照射するようにしている。   As shown in FIG. 7, each of the light-emitting diodes 53 oriented at right angles to the back surface of the double-sided advertising board 51 is covered with a bowl-shaped light dispersion member 54 as shown in FIG. Light is passed through the light dispersion member 54 to irradiate the back surface of the advertising board 51 on both sides.

実用新案登録第３１３３０１４号公報Utility Model Registration No. 3133014 特開２００６−３１３２７１号公報JP 2006-313271 A 特開２００５−２８３８８９号公報Japanese Patent Laid-Open No. 2005-282889

特許文献１、２に記載されたように、内部に反射板や光分散部材を配置した発光ダイオードによる内照式看板は、内部構造が複雑になり、重量も増加する問題がある。また、広告板の面積が大きいものでは、看板枠に補強部材が差し渡されるので、反射板や光分散部材が補強部材と干渉しないようにする必要もある。   As described in Patent Documents 1 and 2, internally-illuminated signboards using light-emitting diodes in which reflectors and light dispersion members are arranged have a problem in that the internal structure becomes complicated and the weight increases. Further, when the advertising board has a large area, the reinforcing member is passed to the signboard frame. Therefore, it is necessary to prevent the reflecting plate and the light dispersion member from interfering with the reinforcing member.

一方、特許文献３に記載されたように、広告板自体に光拡散性を持たせた内照式看板は、内部構造は簡単にできるが、光拡散性を持たせた広告板が、肉厚が厚くて高価なものとなり、面積が大きいものは重量もかなり重くなるので、あまり実用的ではない。   On the other hand, as described in Patent Document 3, the internally illuminated signboard having the light diffusibility in the advertisement board itself can be simplified in the internal structure, but the advertisement board having the light diffusibility is thick. Becomes thick and expensive, and those with a large area are considerably impractical because they are quite heavy.

そこで、本考案の課題は、発光ダイオードによる内照式看板における広告板の明るさのムラを、簡単な内部構造で、重量も増加させることなく低減できるようにすることである。   Accordingly, an object of the present invention is to reduce unevenness in the brightness of an advertising board in an internally illuminated signboard using light emitting diodes with a simple internal structure without increasing the weight.

上記の課題を解決するために、本考案は、矩形状の看板枠の片面側または両面側に光を透過する広告板を設け、内部に配置した発光ダイオードの光源から前記広告板の裏面に光を照射する内照式看板において、前記矩形状の看板枠の対向する２辺の内面側に沿って、複数の前記発光ダイオードを、互いに対向する相手方の辺に向けて配列し、これらの発光ダイオードから所定の照射角で拡がる光を、相手方の辺側の前記広告板の裏面に斜めに照射し、これらの両方の辺側から斜めに照射される光の照射領域が、前記広告板の裏面を前記対向する辺間の全域でカバーするようにした構成を採用した。   In order to solve the above-described problems, the present invention provides an advertising board that transmits light on one side or both sides of a rectangular signboard frame, and light is emitted from a light source of a light emitting diode disposed inside to the back side of the advertising board. In the internally illuminated signboard, the plurality of light emitting diodes are arranged toward the opposing sides facing each other along the inner surfaces of two opposing sides of the rectangular signboard frame, and these light emitting diodes The light spreading at a predetermined irradiation angle is obliquely applied to the back side of the advertising board on the side of the other party, and the irradiation area of the light that is obliquely applied from both sides of the side of the advertising board A configuration was adopted in which the entire area between the opposing sides was covered.

すなわち、看板枠の対向する２辺の内面側に沿って、互いに対向する相手方の辺に向けて配列した発光ダイオードの光を、相手方の辺側の広告板の裏面に斜めに照射することにより、指向性の高い発光ダイオードによる広告板の裏面の照射領域を拡げ、両方の辺側から斜めに照射されて所定の照射角で拡がる発光ダイオードの光の照射領域が、広告板の裏面を対向する辺間の全域でカバーするようにすることにより、反射板や光分散部材を不要として、簡単な内部構造で、重量も増加させることなく、広告板の明るさのムラを低減できるようにした。また、この内照式看板は、看板枠の内面側に沿って発光ダイオードを配列したので、光源取り付け用の余分な梁部材を差し渡たす必要がなく、看板枠の内部構造をより簡単にできるとともに、重量もより軽減することができる。   That is, by illuminating the back surface of the advertising board on the side of the other side obliquely with the light of the light emitting diodes arranged toward the opposite side facing each other along the inner side of the two opposite sides of the signboard frame, The irradiation area of the back side of the advertising board with highly directional light emitting diodes is expanded, and the light irradiation area of the light emitting diode that is irradiated obliquely from both sides and spreads at a predetermined irradiation angle is the side that faces the back side of the advertising board By covering the entire area, it is possible to reduce the unevenness of the brightness of the advertising board without the need for a reflector or a light dispersion member, with a simple internal structure, and without increasing the weight. In addition, since this internally illuminated signboard has light emitting diodes arranged along the inner surface of the signboard frame, there is no need to pass an extra beam member for mounting the light source, making the internal structure of the signboard frame easier. In addition, the weight can be further reduced.

前記発光ダイオードの先端にレンズを取り付けて、前記照射角の拡がりを調整し、前記両方の辺側から斜めに広告板の裏面に照射される光の照射領域のラップ量が少なくなるようにすることにより、余分な照射領域を減らして、効率よく広告板を照明することができる。   A lens is attached to the tip of the light emitting diode to adjust the spread of the irradiation angle so that the amount of wrapping of the irradiation area of the light irradiated obliquely from the both sides to the back of the billboard is reduced. Thus, it is possible to efficiently illuminate the advertising board by reducing an excessive irradiation area.

前記対向する各辺の内面側に沿って配列した複数の発光ダイオードの全部または一部を、各辺の内面側に沿わせて配置され、共通の電源端子を設けた細長基板に配列することにより、発光ダイオードの取り付けやメンテナンスを容易に行うことができる。   By arranging all or a part of the plurality of light emitting diodes arranged along the inner surface side of each of the opposing sides on an elongated substrate arranged along the inner surface side of each side and provided with a common power supply terminal The light emitting diode can be easily attached and maintained.

前記広告板を前記看板枠の両面側に設ける場合は、これらの両面側の各広告板の裏面に光を照射する前記発光ダイオードを、前記看板枠の対向する２辺の内面側に沿って別々に配列するとよい。   When the advertising board is provided on both sides of the signboard frame, the light emitting diodes that irradiate light on the back surfaces of the advertising boards on both sides are separated along the inner surfaces of the two opposite sides of the signboard frame. It is good to arrange in.

本考案の内照式看板は、矩形状の看板枠の対向する２辺の内面側に沿って、複数の発光ダイオードを、互いに対向する相手方の辺に向けて配列し、これらの発光ダイオードから所定の照射角で拡がる光を、相手方の辺側の広告板の裏面に斜めに照射し、これらの両方の辺側から斜めに照射される光の照射領域が、広告板の裏面を対向する辺間の全域でカバーするようにしたので、簡単な内部構造で、重量も増加させることなく、広告板の明るさのムラを低減することができる。また、この内照式看板は、看板枠の内面側に沿って発光ダイオードを配列したので、光源取り付け用の余分な梁部材を差し渡たす必要がなく、看板枠の内部構造をより簡単にできるとともに、重量もより軽減することができる。   The internally illuminated signboard according to the present invention has a plurality of light emitting diodes arranged toward the opposite sides facing each other along the inner surfaces of two opposing sides of a rectangular signboard frame, and a predetermined number of these light emitting diodes are used. Light that spreads at an irradiation angle of the other side is irradiated obliquely to the back side of the other side's advertising board, and the irradiation area of the light that is irradiated diagonally from both sides is between the sides facing the back side of the advertising board Since the entire area is covered, it is possible to reduce unevenness in the brightness of the advertising board with a simple internal structure without increasing the weight. In addition, since this internally illuminated signboard has light emitting diodes arranged along the inner surface of the signboard frame, there is no need to pass an extra beam member for mounting the light source, making the internal structure of the signboard frame easier. In addition, the weight can be further reduced.

（ａ）は内照式看板の実施形態を示す一部省略縦断正面図、（ｂ）は（ａ）の縦断側面図(A) is a partially omitted vertical front view showing an embodiment of an internally illuminated signboard, and (b) is a vertical side view of (a). 図１の内照式看板の一部切欠き外観斜視図1 is a partially cutaway perspective view of the internally illuminated signboard of FIG. （ａ）は図１のＬＥＤ蛍光灯を示す一部省略正面図、（ｂ）は（ａ）のIIIb−IIIb線に沿った断面図(A) is a partially omitted front view showing the LED fluorescent lamp of FIG. 1, (b) is a cross-sectional view taken along line IIIb-IIIb of (a). （ａ）は図１（ｂ）の上部を拡大して示す縦断側面図、（ｂ）は（ａ）のIVb−IVb線に沿った断面図(A) is a longitudinal side view showing the upper part of FIG. 1 (b) in an enlarged manner, and (b) is a sectional view taken along line IVb-IVb of (a) 図４（ａ）のＶ−Ｖ線に沿った断面図Sectional drawing along the VV line of Fig.4 (a) 従来の内照式看板を示す縦断側面図Longitudinal side view showing a conventional internally illuminated signboard 他の従来の内照式看板を示す横断面図Cross-sectional view showing another conventional internally illuminated signboard

以下、図面に基づき、本考案の実施形態を説明する。この内照式看板は、図１（ａ）、（ｂ）および図２に示すように、縦長の矩形状の看板枠１の前面側と後面側に光を透過する広告板２ａ、２ｂを設け、建物等の外壁Ａに直角に取り付ける大寸法のものであり、看板枠１の対向する各縦辺の内面側に、後述するように、複数の発光ダイオード３を細長基板４に配列した、いわゆるＬＥＤ(Light Emitting Diode）蛍光灯５が、上下に２本ずつ前後に２列に取り付けられている。看板枠１はアルミニウムで形成され、上下方向の中央部には、補強部材１ａが差し渡されている。   Hereinafter, embodiments of the present invention will be described with reference to the drawings. As shown in FIGS. 1A, 1B, and 2, this internally illuminated signboard is provided with advertising boards 2a and 2b that transmit light on the front side and the rear side of a vertically long rectangular signboard frame 1. A large-sized one that is attached to an outer wall A of a building or the like at right angles, and a plurality of light-emitting diodes 3 are arranged on an elongated substrate 4 on an inner surface side of each opposing vertical side of the signboard frame 1, as will be described later. Two LED (Light Emitting Diode) fluorescent lamps 5 are mounted in two rows on the front and back. The signboard frame 1 is formed of aluminum, and a reinforcing member 1a is provided at the center in the vertical direction.

図３（ａ）、（ｂ）に示すように、前記ＬＥＤ蛍光灯５は、細長基板４の長手方向に発光ダイオード３を千鳥状に３列に配列し、樋状の支持部材６に支持した細長基板４を円筒状の透明なプラスチック管７で覆ったものであり、後述する蛍光灯用のソケット１０ａに適合する電源端子としての２本のピン端子８が両端に設けられている。３列に配列された各発光ダイオード３は、細長基板４の上面に垂直方向に向けて取り付けられ、その先端に照射角の拡がりを調整する凸レンズ９が取り付けられている。   As shown in FIGS. 3A and 3B, in the LED fluorescent lamp 5, the light emitting diodes 3 are arranged in three rows in a zigzag manner in the longitudinal direction of the elongated substrate 4, and supported by a bowl-shaped support member 6. The elongated substrate 4 is covered with a cylindrical transparent plastic tube 7, and two pin terminals 8 as power terminals suitable for a fluorescent lamp socket 10a described later are provided at both ends. The light emitting diodes 3 arranged in three rows are attached to the upper surface of the elongated substrate 4 in the vertical direction, and a convex lens 9 for adjusting the spread of the irradiation angle is attached to the tip thereof.

図４（ａ）、（ｂ）に示すように、前記ＬＥＤ蛍光灯５は、通常の蛍光灯と同様に、蛍光灯保持具１０の両端のソケット１０ａにピン端子８を差し込まれて保持されている。蛍光灯保持具１０の上下部は、看板枠１の上下端部と中央部にそれぞれビス止めされた取り付け金具１１ａ、１１ｂに、樹脂製の取り付け板１２ａ、１２ｂを介してビス止めされている。したがって、看板枠１には取り付け金具１１ａ、１１ｂ用のビス孔のみが開けられ、これらのビス孔には防水処理が施されているので、内部に雨水等が浸入することはない。   As shown in FIGS. 4A and 4B, the LED fluorescent lamp 5 is held by inserting pin terminals 8 into sockets 10a at both ends of the fluorescent lamp holder 10 in the same manner as a normal fluorescent lamp. Yes. The upper and lower parts of the fluorescent lamp holder 10 are screwed to mounting brackets 11a and 11b that are screwed to the upper and lower ends and the center of the signage frame 1 via resin mounting plates 12a and 12b, respectively. Accordingly, only the screw holes for the mounting brackets 11a and 11b are opened in the signboard frame 1, and since the waterproofing is applied to these screw holes, rainwater or the like does not enter inside.

また、前記各取り付け板１２ａ、１２ｂには、前後２列のＬＥＤ蛍光灯５の蛍光灯保持具１０が共用で取り付けられ、中央部の取り付け板１２ｂには、上側の蛍光灯保持具１０の下部と下側の蛍光灯保持具１０の上部が共用で取り付けられている。各取り付け板１２ａ、１２ｂの背面側には、看板枠１の内面に当接される絶縁性の緩衝部材１３が取り付けられている。   Each of the mounting plates 12a and 12b is mounted with the fluorescent lamp holders 10 of the front and rear rows of LED fluorescent lamps 5 in common, and the lower part of the upper fluorescent lamp holder 10 is attached to the central mounting plate 12b. And the upper part of the lower fluorescent lamp holder 10 is attached in common. An insulating buffer member 13 that is in contact with the inner surface of the signboard frame 1 is attached to the back side of each mounting plate 12a, 12b.

図５に示すように、前記発光ダイオード３を配列した前後２列のＬＥＤ蛍光灯５は、看板枠１の対向する各縦辺の内面側に、対向する相手方の縦辺に直角方向に向けて取り付けられており、前列のＬＥＤ蛍光灯５は前面側の広告板２ａの裏面を、後列のＬＥＤ蛍光灯５は後面側の広告板２ｂの裏面を、それぞれ相手方の縦辺側で斜めに照射するようになっている。なお、各列のＬＥＤ蛍光灯５は、両側の各広告板２ａ、２ｂ側へ斜め外側に向けて各縦辺に取り付けることもできる。   As shown in FIG. 5, the front and rear two rows of LED fluorescent lamps 5 in which the light emitting diodes 3 are arranged are directed to the inner surface side of each of the opposing vertical sides of the signboard frame 1 and directed perpendicularly to the opposing counterpart's vertical sides. The LED fluorescent lamp 5 in the front row irradiates the back surface of the advertising board 2a on the front side, and the LED fluorescent lamp 5 in the rear row irradiates the back surface of the advertising board 2b on the rear side obliquely on the other side of the other side. It is like that. In addition, the LED fluorescent lamp 5 of each row | line | column can also be attached to each vertical side toward diagonally outside toward each advertising board 2a, 2b side.

この実施形態では、前記各発光ダイオード３に取り付けた凸レンズ９によって、各ＬＥＤ蛍光灯５からの光の照射角θが約３０°に設定され、両方の縦辺側から斜めに照射される光の照射領域が、互いのラップ領域を少なくして、各広告板２ａ、２ｂの裏面を対向する縦辺間の全域でカバーするようになっている。したがって、各広告板２ａ、２ｂの明るさのムラが低減される。   In this embodiment, the convex lens 9 attached to each light emitting diode 3 sets the irradiation angle θ of light from each LED fluorescent lamp 5 to about 30 °, and the light irradiated obliquely from both vertical sides. An irradiation area reduces the mutual wrapping area, and covers the back surface of each advertising board 2a, 2b in the whole area between the opposing vertical sides. Therefore, unevenness in brightness of each advertising board 2a, 2b is reduced.

上述した実施形態では、複数の発光ダイオードを共通の細長基板に配列したＬＥＤ蛍光灯を光源として用いたが、複数の発光ダイオードをそのまま看板枠の内面側に配列することもできる。   In the above-described embodiment, the LED fluorescent lamp in which a plurality of light emitting diodes are arranged on a common elongated substrate is used as a light source. However, the plurality of light emitting diodes can be arranged as they are on the inner surface side of the signboard frame.

また、上述した実施形態では、内照式看板を両面側に広告板を設けたものとしたが、本考案に係る内照式看板は、片面側のみに広告板を設けたものにも採用することができる。   In the above-described embodiment, the internally illuminated signboard is provided with the advertisement board on both sides. However, the internally illuminated signboard according to the present invention is also used for the advertisement board provided with the advertisement board only on one side. be able to.

１ 看板枠
１ａ 補強部材
２ａ、２ｂ 広告板
３ 発光ダイオード
４ 細長基板
５ ＬＥＤ蛍光灯
６ 支持部材
７ プラスチック管
８ ピン端子
９ 凸レンズ
１０ 蛍光灯保持具
１０ａ ソケット
１１ａ、１１ｂ 取り付け金具
１２ａ、１２ｂ 取り付け板
１３ 緩衝部材 DESCRIPTION OF SYMBOLS 1 Signboard frame 1a Reinforcing member 2a, 2b Advertising board 3 Light emitting diode 4 Elongated board 5 LED fluorescent lamp 6 Support member 7 Plastic tube 8 Pin terminal 9 Convex lens 10 Fluorescent lamp holder 10a Socket 11a, 11b Mounting bracket 12a, 12b Mounting board 13 Buffer member

Claims (4)

矩形状の看板枠の片面側または両面側に光を透過する広告板を設け、内部に配置した発光ダイオードの光源から前記広告板の裏面に光を照射する内照式看板において、前記矩形状の看板枠の対向する２辺の内面側に沿って、複数の前記発光ダイオードを、互いに対向する相手方の辺に向けて配列し、これらの発光ダイオードから所定の照射角で拡がる光を、相手方の辺側の前記広告板の裏面に斜めに照射し、これらの両方の辺側から斜めに照射される光の照射領域が、前記広告板の裏面を前記対向する辺間の全域でカバーするようにしたことを特徴とする内照式看板。   In an internally illuminated signboard that illuminates the back surface of the advertising board from a light source of a light emitting diode disposed inside, provided an advertising board that transmits light on one side or both sides of a rectangular signboard frame, the rectangular shape A plurality of the light emitting diodes are arranged toward the opposing sides facing each other along the inner surfaces of the two opposing sides of the signboard frame, and light spreading from the light emitting diodes at a predetermined irradiation angle is transmitted to the other side. The back surface of the advertising board on the side is irradiated obliquely, and the irradiation area of the light irradiated obliquely from both of these sides covers the entire back surface of the advertising board between the opposing sides. An internally illuminated signboard characterized by that. 前記発光ダイオードの先端にレンズを取り付けて、前記照射角の拡がりを調整し、前記両方の辺側から斜めに広告板の裏面に照射される光の照射領域のラップ量が少なくなるようにした請求項１に記載の内照式看板。   A lens is attached to the tip of the light emitting diode to adjust the spread of the irradiation angle so that the amount of wrapping of the irradiation area of the light irradiated obliquely from the both sides to the back of the billboard is reduced. Item 1. An internally illuminated signboard according to item 1. 前記対向する各辺の内面側に沿って配列した複数の発光ダイオードの全部または一部を、各辺の内面側に沿わせて配置され、共通の電源端子を設けた細長基板に配列した請求項１または２に記載の内照式看板。   All or a part of the plurality of light emitting diodes arranged along the inner surface side of each of the opposing sides is arranged along an inner surface side of each side and arranged on an elongated substrate provided with a common power supply terminal. The internally illuminated signboard according to 1 or 2. 前記広告板を前記看板枠の両面側に設け、これらの両面側の各広告板の裏面に光を照射する前記発光ダイオードを、前記看板枠の対向する２辺の内面側に沿って別々に配列した請求項１乃至３のいずれかに記載の内照式看板。   The advertising boards are provided on both sides of the signboard frame, and the light emitting diodes that irradiate light on the back surfaces of the advertising boards on both sides are separately arranged along the inner surfaces of the two opposite sides of the signboard frame. The internally illuminated signboard according to any one of claims 1 to 3.
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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2013026131A (en) * 2011-07-25 2013-02-04 ▲高▼村電機工業株式会社 Straight tube fluorescent lamp type led lamp for signboard
JP2013050620A (en) * 2011-08-31 2013-03-14 Edakin:Kk Illumination signboard device

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2013026131A (en) * 2011-07-25 2013-02-04 ▲高▼村電機工業株式会社 Straight tube fluorescent lamp type led lamp for signboard
JP2013050620A (en) * 2011-08-31 2013-03-14 Edakin:Kk Illumination signboard device

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