JP4699828B2 - Surface light emitter and internally illuminated signboard using the same - Google Patents
Surface light emitter and internally illuminated signboard using the same Download PDFInfo
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- JP4699828B2 JP4699828B2 JP2005214618A JP2005214618A JP4699828B2 JP 4699828 B2 JP4699828 B2 JP 4699828B2 JP 2005214618 A JP2005214618 A JP 2005214618A JP 2005214618 A JP2005214618 A JP 2005214618A JP 4699828 B2 JP4699828 B2 JP 4699828B2
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Description
本発明は、ＬＥＤ光源を内蔵したフィルム状又はシート状の面発光体及びこの面発光体を使用した内照式看板に関する。 The present invention relates to a film-like or sheet-like surface light emitter incorporating an LED light source and an internally illuminated signboard using the surface light emitter.
インクジェットの大型化、高精細化、低コスト化により、屋外看板が大型化している。大型内照式看板では、蛍光灯本数が大幅に増えて、消費電力が一段と増える傾向にある。日本国内に限らず、世界的にエネルギー削減が課題である現代社会において、このことは大きな問題である。 Outdoor signboards are becoming larger due to the increased size, higher definition, and lower cost of inkjets. In large internally illuminated signboards, the number of fluorescent lamps has greatly increased, and power consumption tends to increase further. This is a major problem not only in Japan but also in modern society where energy reduction is a global issue.
従来の蛍光灯に代わり、消費電力の少ないＬＥＤを使ってこの問題に対応しようとする考えが例えば下記特許文献１により提案されている。しかし、ＬＥＤは点発光であり、これを面発光に変換するには、アクリル導光板などを使う必要があるが、それはコストアップと、重量アップにつながり、大面積への実用化が難しかった。 For example, the following Patent Document 1 proposes an idea to deal with this problem by using an LED with low power consumption instead of a conventional fluorescent lamp. However, an LED is a point light emission, and it is necessary to use an acrylic light guide plate or the like to convert it into a surface light emission. However, this leads to an increase in cost and weight, and it is difficult to put it into practical use in a large area.
フィルム状又は板状基板に電気配線と共に複数のＬＥＤを並べて発光体とする発明も下記特許文献２により知られている。しかし、この発明の実施例で使用するＬＥＤは２〜５個であり、用途も、「夜間における作業者又は行為者の安全性を確保するために用いられる各種物品、例えば、道路工事における夜間識別用点滅装置；ガソリンスタンドにおける夜間境界識別標識；自動車、自転車、交通整理員着用のチョッキ等の作業服、ヘルメット、靴、犬の首輪、階段の上がり口等に装着される夜間自己識別用標識等」（同公報［０００１］参照）が考えられており、大型看板は全く考慮されていない。
上記特許文献２は、本願発明と比較的近い構成を有するものの、大型面発光体にすることができなかったのは、下記する本発明成立条件に気が付かなかったためであると思われる。その条件とは、広角発光ＬＥＤチップを上下・左右均等間隔で並べ、その間隔に応じて、発光面と看板画像面の距離を調整すると均一な明るさが得られることである。
Although the above Patent Document 2 has a structure that is relatively close to that of the present invention, it was considered that the large surface light emitter could not be obtained because the following conditions for establishing the present invention were not noticed. The condition is that uniform brightness can be obtained by arranging wide-angle light emitting LED chips at equal intervals in the vertical and horizontal directions and adjusting the distance between the light emitting surface and the signboard image surface according to the intervals.
本発明は、この知見に基づくもので、ＬＥＤ光源を内蔵したフィルム状又はシート状の面発光体及びこの面発光体を使用した内照式看板を提供することを目的とする。 The present invention is based on this finding, and an object of the present invention is to provide a film-like or sheet-like surface light emitter incorporating an LED light source and an internally illuminated signboard using the surface light emitter.
本発明の内照式看板は、少なくとも看板表面と、側板と、背板を有する箱の中に、面発光体を設置してなる内照式看板であって、前記面発光体は、フイルム状又はシート状の基板上に、上下・左右とも１０ｍｍ〜６０ｍｍの範囲で均等に、発光角度が、６０°〜１２０°である広角発光ＬＥＤチップを３０〜３００個並べて点滅が可能なように電気配線すると共に、その上から、隙間が発生しないように前記ＬＥＤチップの外形に密着させるようにして透明プラスチックフィルムで被覆しており、前記看板表面と前記面発光体の距離が約１５ｍｍ〜７０ｍｍであることを特徴とする。
The internally illuminated signboard of the present invention is an internally illuminated signboard in which a surface light emitter is installed in a box having at least a signboard surface, a side plate, and a back plate, and the surface light emitter has a film shape. Or on the sheet-like substrate, electrical wiring so that 30-300 wide-angle light-emitting LED chips with a light emission angle of 60 ° -120 ° are evenly arranged in the range of 10 mm- 60 mm both vertically and horizontally In addition , it is covered with a transparent plastic film so as to be in close contact with the outer shape of the LED chip so as not to generate a gap, and the distance between the signboard surface and the surface light emitter is about 15 mm to 70 mm. It is characterized by that.
本発明の内照式看板は、少なくとも看板表面と、側板と、背板を有する箱の中に前記面発光体を設置するものであり、看板画像面と前記面発光体の距離が約１５ｍｍ〜７０ｍｍであることを特徴とする。 The internally illuminated signboard of the present invention is one in which the surface light emitter is installed in a box having at least a signboard surface, a side plate, and a back plate, and the distance between the signboard image surface and the surface light emitter is about 15 mm to It is 70 mm.
本発明の面発光体は、フイルム状又はシート状で、薄く、軽く、長寿命で，設置に必要な資材を大幅に削減できる。この面発光体を縦、横に繋ぎ合わせていく事で、大面積の発光体が簡単に出来上がる。この大面積の発光体を使用すれば、省エネルギー、かつ、大型看板が低コストで提供できる。 The surface light emitter of the present invention is in the form of a film or sheet, is thin, light, has a long life, and can greatly reduce the materials required for installation. By connecting the surface light emitters vertically and horizontally, a large-area light emitter can be easily made. If this large-area light emitter is used, energy saving and a large signboard can be provided at low cost.
本発明に用いられるフィルム状又はシート状基板の材質としては、フィルム状又はシート状に加工が可能で、絶縁性及び可撓性があるものであれば特に制限はない。しかし、取り扱いやすさ、加工性、等の見地からプラスチックが好ましい。プラスチックの中でも、耐熱性、耐光性、機械的強度等に優れた、ポリエステル、ポリイミド、塩化ビニル、エポキシ樹脂等が好ましい。 The material of the film or sheet substrate used in the present invention is not particularly limited as long as it can be processed into a film or sheet and has insulation and flexibility. However, plastic is preferred from the standpoint of ease of handling, workability, and the like. Among plastics, polyester, polyimide, vinyl chloride, epoxy resin, etc., which are excellent in heat resistance, light resistance, mechanical strength and the like are preferable.
本発明に用いられる基板上には、電気配線する面とは反対側の面（被装着物と対向する面）に粘着剤層及び剥離材層をこの順に設けることが好ましい。このように構成することにより、特別の道具を用いることなしに面発光体を容易に被装着面に貼着することができる。この粘着剤層については、特に制限はなく、装着して用いる各種物品の材質に合わせて汎用の粘着剤、例えば、アクリル系、シリコーン系、合成ゴム系等の粘着剤を適宜用いることができる。剥離材層についても特に制限はなく、汎用のものを用いることができる。 On the substrate used in the present invention, it is preferable to provide an adhesive layer and a release material layer in this order on the surface opposite to the surface to be electrically wired (the surface facing the object to be mounted). By comprising in this way, a surface light-emitting body can be easily affixed on a to-be-mounted surface, without using a special tool. The pressure-sensitive adhesive layer is not particularly limited, and general-purpose pressure-sensitive adhesives such as acrylic, silicone-based, and synthetic rubber-based pressure-sensitive adhesives can be appropriately used according to the materials of various articles that are mounted and used. There is no restriction | limiting in particular also about a peeling material layer, A general purpose thing can be used.
本発明に用いられる電気配線は、後述する電源及びＬＥＤ光源と電気的に接続されて、電源部からの信号によりＬＥＤ光源を点滅させることを可能とするように前記フィルム状又はシート状基板上に設けられる。 The electrical wiring used in the present invention is electrically connected to a power source and an LED light source, which will be described later, on the film-like or sheet-like substrate so that the LED light source can be blinked by a signal from the power source unit. Provided.
フィルム状又はシート状基板上に、電気配線を形成する方法については、特に制限はない。例えば、
１）両面粘着テープの片面又は粘着テープの粘着面に金属箔の線条を貼着する、
２）フィルム状又はシート状基板上に粘着剤付き金属箔の線条を貼着する、
３）フィルム状又はシート状基板上に金属膜を蒸着により形成する、
４）フィルム状又はシート状基板上に導電性ペイントを印刷する、
５）フィルム状又はシート状基板及び金属箔の積層体の金属箔部分をエッチングする、
６）両面粘着テープの片面又は粘着テープの粘着面に金属線を貼着する、及び
７）両面粘着テープの片面又は粘着テープの粘着面にフラットケーブルを貼着する等の方法を挙げることができる。
There is no particular limitation on the method for forming the electrical wiring on the film or sheet substrate. For example,
1) Adhere a strip of metal foil on one side of the double-sided adhesive tape or the adhesive surface of the adhesive tape.
2) Affixing a strip of metal foil with adhesive on a film or sheet substrate,
3) A metal film is formed on the film or sheet substrate by vapor deposition.
4) Printing conductive paint on a film or sheet substrate,
5) Etching the metal foil portion of the laminate of the film or sheet substrate and the metal foil,
6) Adhere a metal wire to one side of a double-sided adhesive tape or the adhesive side of an adhesive tape, and 7) Adhere a flat cable to one side of a double-sided adhesive tape or the adhesive surface of an adhesive tape. .
本発明に用いられるＬＥＤ光源は、広角発光ＬＥＤチップであり、その発光角度は、６０°〜１２０°が好ましく、形状としては、平面丸型又は角形のＬＥＤを用いるのが好ましい。ＬＥＤ光源は、大型看板製作用としては、少なくとも３０個を必要とする。好ましくは１ユニットを３０個〜３００個とし、必要に応じて複数ユニット使用する。このように複数のＬＥＤ光源をユニット化すれば配線や取り付けを簡便にすることができるので、好ましい。 The LED light source used in the present invention is a wide-angle light emitting LED chip, and the light emission angle is preferably 60 ° to 120 °, and the shape is preferably a planar round or square LED. At least 30 LED light sources are required for producing a large signboard. Preferably, one unit is 30 to 300, and a plurality of units are used as necessary. If a plurality of LED light sources are unitized in this way, wiring and mounting can be simplified, which is preferable.
本発明において、ＬＥＤを配置する間隔は、上下・左右とも１０ｍｍ〜６０ｍｍの範囲で均等間隔とすることが好ましい。最も外側のＬＥＤと面発光体の縁部との距離は、ＬＥＤ同士の距離の半分であるのが好ましい。 In this invention, it is preferable that the space | interval which arrange | positions LED is made into a uniform space | interval in the range of 10 mm-60 mm both vertically and horizontally. The distance between the outermost LED and the edge of the surface light emitter is preferably half the distance between the LEDs.
本発明において、ＬＥＤをフィルム状又はシート状基板上の電気配線に接続する方法としては、
１）ＬＥＤのリード線と金属箔との接点をハンダで固定する方法、
２）ＬＥＤのリード線と金属箔との接点を接着剤で接点を保護するように全体を被覆するようにして固定する方法、
３）ＬＥＤのリード線と金属箔との接点を接着テープでシールするようにして固定する方法等を挙げることができる。
In the present invention, as a method of connecting the LED to the electrical wiring on the film-like or sheet-like substrate,
1) A method of fixing the contact point between the LED lead wire and the metal foil with solder,
2) A method of fixing the contact between the LED lead wire and the metal foil so as to cover the whole so as to protect the contact with an adhesive,
3) A method of fixing the contact point between the LED lead wire and the metal foil by sealing with an adhesive tape can be exemplified.
本発明に用いられる電源としては、通常、外部の交流又は直流電源が用いられるが、電池を使用することも可能である。 As the power source used in the present invention, an external AC or DC power source is usually used, but a battery can also be used.
本発明のフィルム状又はシート状面発光体の全体的な防水性を高め、かつ外力及び太陽光からの保護を強化するため、装置全体の防水機構として、フィルム状又はシート状基板及び電気配線等をプラスチックシートで被覆する。この被覆材の材質としては、機械的強度が大きく、耐候性（耐水性、耐熱性及び耐光性等）に優れ、加工性の良いものであれば特に制限はなく、例えば、ポリスチレン、ポリエステル、塩化ビニル、ＡＢＳ等を挙げることができる。被覆は、できるだけ隙間が発生しないように、ＬＥＤの外形に密着させる形で行うのが好ましい。 In order to enhance the overall waterproofness of the film-like or sheet-like surface light emitter of the present invention and enhance the protection from external force and sunlight, as a waterproof mechanism of the entire device, a film-like or sheet-like substrate, electrical wiring, etc. Is covered with a plastic sheet. The material of the covering material is not particularly limited as long as it has high mechanical strength, excellent weather resistance (water resistance, heat resistance, light resistance, etc.), and good workability. For example, polystyrene, polyester, chloride Examples thereof include vinyl and ABS. The covering is preferably performed in close contact with the outer shape of the LED so that a gap is not generated as much as possible.
この面発光体は、外表面に看板表面を有する箱状看板の内部の背面板にとりつける。その際、前記剥離材層を剥がして粘着剤層を露出させて、そのまま内部背面板に貼付するのが簡便である。箱状看板はアルミ板等の金属で製作されることが多いことを考慮すると、面発光体を金属背板に直接貼付できるというのは、面発光体による発熱を逃がす効果もある。 This surface light emitter is attached to a back plate inside a box-shaped signboard having a signboard surface on the outer surface. At this time, it is convenient to peel off the release material layer to expose the pressure-sensitive adhesive layer and to apply it directly to the internal back plate. Considering that box-shaped signboards are often made of metal such as an aluminum plate, the fact that a surface light emitter can be directly attached to a metal back plate has the effect of releasing heat generated by the surface light emitter.
本発明では、面発光体と看板画像面の距離は、ＬＥＤの設置間隔に応じて離すことを特徴としている。ＬＥＤの設置間隔が約１０ｍｍのときは面発光体と看板画像面の距離を約１０ｍｍとし、ＬＥＤの設置間隔が６０ｍｍ程度のときは面発光体と看板画像面の距離を約７０ｍｍとするのが、発散する光が均一となるので好ましい。 The present invention is characterized in that the distance between the surface light emitter and the signboard image surface is separated according to the LED installation interval. When the LED installation interval is about 10 mm, the distance between the surface light emitter and the signboard image surface is about 10 mm, and when the LED installation interval is about 60 mm, the distance between the surface light emitter and the signboard image surface is about 70 mm. This is preferable because the diverging light becomes uniform.
以下、添付の図面に基づき、本発明の実施例を説明する。 Embodiments of the present invention will be described below with reference to the accompanying drawings.
図１は本発明の面発光体１０の正面図であり、図２は断面図である。この面発光体のサイズは４５ｃｍｘ４５ｃｍ＝０．２ｍ2である。 FIG. 1 is a front view of a surface light emitter 10 of the present invention, and FIG. 2 is a cross-sectional view. The size of this surface light emitter is 45 cm × 45 cm = 0.2 m 2 .
ＬＥＤ１１（豊田合成製E1S42-AW0C6-03）は、広角発光ＬＥＤチップであり、その発光角度は、６０°〜１２０°であり、形状は外形がほぼ平面四角で発光部が平面丸型である。図１の実施例では、ＬＥＤは、３０個使用しており、それぞれプリント配線１３で接続されている。ＬＥＤ相互の間隔は上下・左右共に３５ｍｍである。電源はリード線１４を通じて外部電源（図示せず）から取得する。この実施例では、過剰に電流が流れないように抵抗１５も併設している。同じ目的で低電流半導体素子を設けることもできる。 The LED 11 (E1S42-AW0C6-03 manufactured by Toyoda Gosei) is a wide-angle light-emitting LED chip. In the embodiment of FIG. 1, 30 LEDs are used, and each is connected by a printed wiring 13. The distance between the LEDs is 35 mm both vertically and horizontally. The power source is obtained from an external power source (not shown) through the lead wire 14. In this embodiment, a resistor 15 is also provided so that an excessive current does not flow. A low current semiconductor element may be provided for the same purpose.
図２の断面図に示すように、ＬＥＤ１１は１００μのポリエステル樹脂からなる基板１２上に、プリント配線１３と共に並べられる。ＬＥＤ１１とプリント配線１３は、プラスチックシート１６により熱ラミネートされている。プラスチックシートは、ＬＥＤの外形に添う形でラミネートされるので、隙間が発生しない。なお、図面は各部品及びその関係を概念的に描いており、必ずしも実物の模写ではない。 As shown in the cross-sectional view of FIG. 2, the LEDs 11 are arranged together with a printed wiring 13 on a substrate 12 made of 100 μ polyester resin. The LED 11 and the printed wiring 13 are thermally laminated by a plastic sheet 16. Since the plastic sheet is laminated so as to conform to the outer shape of the LED, no gap is generated. Note that the drawings conceptually depict each component and its relationship, and are not necessarily a replica of the actual product.
ＬＥＤ１１とプリント配線１３とは反対側の面（被装着物と対向する面）に粘着剤層１７及び剥離材層１８がこの順に設けられている。 An adhesive layer 17 and a release material layer 18 are provided in this order on the surface opposite to the LED 11 and the printed wiring 13 (the surface facing the object to be mounted).
この面発光体１０は、耐水性、耐湿性があり、振動に強く外部からの障害に強い。また、汚れが付きにくく、汚れても直ぐ落とせる。さらに、薄く、柔らかいので、例えば、図１の一点鎖線（Ｘ−Ｘ，Ｙ−Ｙ）に沿って鋏で切って分割して使用することもできる。 The surface light emitter 10 has water resistance and moisture resistance, and is strong against vibration and strong against external obstacles. In addition, it is hard to get dirt and can be removed immediately even if it gets dirty. Furthermore, since it is thin and soft, for example, it can be used by being cut along the one-dot chain line (XX, YY) in FIG.
図３は、実施例１の面発光体１０を光源とする内照式看板（看板）２０の断面図である。この看板２０は、看板表面２１と、側板２２と、背板２３を有する箱の中に前記面発光体１０を設置してなるものである。看板表面２１と前記面発光体１０の距離は約３０ｍｍである。面発光体１０は、剥離材層１８を剥がして、看板の背板２３に貼付されている。 FIG. 3 is a cross-sectional view of an internally illuminated signboard (signboard) 20 using the surface light emitter 10 of Example 1 as a light source. The signboard 20 is obtained by installing the surface light emitter 10 in a box having a signboard surface 21, a side plate 22, and a backplate 23. The distance between the signboard surface 21 and the surface light emitter 10 is about 30 mm. The surface light emitter 10 is peeled off the release material layer 18 and attached to the back plate 23 of the signboard.
看板表面２１としては、強度のある繊維でできた基材に、両面を半透明樹脂層で一体化した繊維シートが好ましい。この実施例で使用した繊維シートはアイケーシー株式会社製「ルミジェットＷ」（商標）のＹ−１４０で、光線透過率は３０％である。 The signboard surface 21 is preferably a fiber sheet in which both surfaces are integrated with a translucent resin layer on a substrate made of strong fiber. The fiber sheet used in this example is Y-140 of “Lumijet W” (trademark) manufactured by ICC Corporation, and the light transmittance is 30%.
出願人は理論による拘束を受けたくないが、ＬＥＤ同士の配置間隔（Ｌ）と、ＬＥＤと看板表面２１間の距離（Ｈ）の関係を示す理論として現時点で最も可能性の高いと思われるのは次のものである。図４に示すように、ＬＥＤチップの発散する光は最大点において最も広がり、この高さをＨとするのが好ましい。このＨにおける平面円を図５で示している。この円の直径をＲとすると、これに当接する正方形の一辺は、ＬＥＤ同士の配置間隔Ｌに等しい。なぜなら、図６から分かるように、ＬＥＤが最大平面円を同士が効率よく並ぶのはＬＥＤ同士の配置間隔がＬのときだからである。したがって、２の平方根を１．４１４２で計算すると、
Ｌ＝Ｒ／１．４１４２
Ｈ＝１／２Ｒ
から
Ｌ＝２Ｈ／１．４１４２
又は
Ｈ＝１．４１４２Ｌ／２
という関係が導き出される。
Although the applicant does not want to be bound by theory, it seems to be the most likely theory at the present time as a theory showing the relationship between the LED spacing (L) and the distance between the LED and the signboard surface 21 (H). Is the following: As shown in FIG. 4, the light emitted from the LED chip spreads most at the maximum point, and this height is preferably H. The plane circle at H is shown in FIG. Assuming that the diameter of this circle is R, one side of the square abutting on the circle is equal to the arrangement interval L between the LEDs. This is because, as can be seen from FIG. 6, the LEDs are arranged in a maximum plane circle efficiently because the arrangement interval between the LEDs is L. Therefore, if the square root of 2 is calculated as 1.4142,
L = R / 1.4142
H = 1 / 2R
To L = 2H / 1.4142
Or H = 1.4142L / 2
This relationship is derived.
この式によれば、ＬＥＤ同士の配置間隔（Ｌ）と、ＬＥＤと看板表面間の距離（Ｈ）は、例えば表１のように計算される。
実際には様々な理由で、必ずしもこの通りとはならないが、一つの目安とはなると思われる。
According to this formula, the arrangement interval (L) between the LEDs and the distance (H) between the LED and the signboard surface are calculated as shown in Table 1, for example.
Actually, this is not necessarily true for various reasons, but it seems to be a guide.
図７に示すように、前記面発光体１０を複数（ここでは作図上の都合により２枚）に繋ぎ合わせ、その上で、大型の看板箱を用いることにより、５０ｍ２〜３００ｍ２までの大型内部照明看板が簡単に低コストで出来る。 As shown in FIG. 7, the surface light-emitting body 10 joined to a plurality (two the circumstances in drawing in this case), on its, by using a large signboard boxes, large up 50 m 2 ～300M 2 Internal lighting signs can be made easily and at low cost.
ここで、隣接する面発光体１０のＬＥＤ同士が一定間隔を以て並ぶようにするには、最外部のＬＥＤと縁部の距離は２／Ｌとすべきである。 Here, the distance between the outermost LED and the edge should be 2 / L so that the LEDs of the adjacent surface light emitters 10 are arranged at a constant interval.
本発明の実施例２及び３の看板２０は、厚みが薄く、軽量である。しかも、ＬＥＤは省エネルギーかつ長寿命（５万時間の耐久性がある）であるので、電球取替えの手間が少なくてすむ。 The signboard 20 of the second and third embodiments of the present invention is thin and lightweight. In addition, since the LED is energy saving and has a long life (durable for 50,000 hours), the effort for replacing the light bulb can be reduced.
例えば、エネルギーについて見ると、寸法２．７ｍ×３．６ｍ＝約１０ｍ2の看板では、従来４０Ｗ蛍光灯を４２本使用していたので、１６８０Ｗ／ｈであったが、本発明では、１２Ｗのフィルム状ＬＥＤを４８枚使用し、６９１Ｗ／ｈとなる。省エネルギー量は１６８０−６９１＝９８９Ｗ／ｈとなり、５９％の削減となる。 For example, in terms of energy, a signboard with a size of 2.7 m × 3.6 m = about 10 m 2 has conventionally used 42 40 W fluorescent lamps, so it was 1680 W / h. Forty-eight film-like LEDs are used, which is 691 W / h. The energy saving amount is 1680-691 = 989 W / h, which is a reduction of 59%.
１０ 面発光体
１１ ＬＥＤ
１２ 基板
１３ プリント配線
１５ リード線
１６ プラスチックシート
１７ 粘着剤層
１８ 剥離材層
２０ 看板
２１ 看板表面
２２ 側板
２３ 背板
10 Surface light emitter 11 LED
12 Substrate 13 Printed wiring 15 Lead wire 16 Plastic sheet 17 Adhesive layer 18 Release material layer 20 Signboard 21 Signboard surface 22 Side plate 23 Back plate
Claims (1)
前記面発光体（１０）は、フイルム状又はシート状の基板（１２）上に、上下・左右とも１０ｍｍ〜６０ｍｍの範囲で均等に、発光角度が、６０°〜１２０°である広角発光ＬＥＤチップ（１１）を３０〜３００個並べて点滅が可能なように電気配線（１３）すると共に、その上から、隙間が発生しないように前記ＬＥＤチップ（１１）の外形に密着させるようにして透明プラスチックフィルム（１６）で被覆しており、
前記看板表面（２１）と前記面発光体（１０）の距離が約１５ｍｍ〜７０ｍｍであることを特徴とする内照式看板。
An internally illuminated signboard in which a surface light emitter (10) is installed in a box having at least a signboard surface (21), a side plate (22), and a backplate (23),
The surface light emitter (10) is a wide-angle light emitting LED chip having a light emission angle of 60 ° to 120 ° uniformly on a film or sheet substrate (12) in the range of 10 mm to 60 mm both vertically and horizontally. 30 to 300 (11) are arranged in an electrical wiring (13) so as to be able to flash, and from above, a transparent plastic film is brought into close contact with the outer shape of the LED chip (11) so as not to generate a gap. (16)
An internally illuminated signboard, wherein a distance between the signboard surface (21) and the surface light emitter (10) is about 15 mm to 70 mm .
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| JP5126944B2 (en) * | 2007-02-28 | 2013-01-23 | 株式会社大一商会 | Pachinko machine |
| KR100867402B1 (en) | 2007-06-05 | 2008-11-06 | 한국기계연구원 | Transparent signboard unsing carbon nanotube and fabricating method thereof |
| CN101836032B (en) | 2007-10-22 | 2014-07-02 | 株式会社爱姆克鲁 | Surface emitting body and internally illuminated sign having the surface emitting body assembled therein |
| AU2011203151B2 (en) * | 2007-10-22 | 2012-03-15 | Amcrew Incorporated | Surface emitting body and internally illuminated sign having the surface emitting body assembled therein |
| JP5638214B2 (en) * | 2009-09-09 | 2014-12-10 | 株式会社アムクルー | Method of manufacturing surface light emitter with electrical wiring by ink jet printing |
| JP2011076834A (en) * | 2009-09-30 | 2011-04-14 | I-Ene Planning Co Ltd | Waterproof edge light |
| JP2013187052A (en) * | 2012-03-08 | 2013-09-19 | Koito Mfg Co Ltd | Planar light-emitting body |
| KR101823436B1 (en) * | 2016-11-11 | 2018-01-30 | (주)팜 | LED Tinting paper |
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