JPH03296089A - Light emitting plate - Google Patents
Light emitting plateInfo
- Publication number
- JPH03296089A JPH03296089A JP2099811A JP9981190A JPH03296089A JP H03296089 A JPH03296089 A JP H03296089A JP 2099811 A JP2099811 A JP 2099811A JP 9981190 A JP9981190 A JP 9981190A JP H03296089 A JPH03296089 A JP H03296089A
- Authority
- JP
- Japan
- Prior art keywords
- light
- optical waveguide
- light emitting
- emitting plate
- leaks
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 230000003287 optical effect Effects 0.000 claims abstract description 26
- 239000000758 substrate Substances 0.000 claims abstract description 8
- 238000005034 decoration Methods 0.000 abstract 1
- 238000000034 method Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 239000004793 Polystyrene Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 239000010408 film Substances 0.000 description 4
- 229920002223 polystyrene Polymers 0.000 description 4
- 229920003229 poly(methyl methacrylate) Polymers 0.000 description 3
- 239000004926 polymethyl methacrylate Substances 0.000 description 3
- VVQNEPGJFQJSBK-UHFFFAOYSA-N Methyl methacrylate Chemical compound COC(=O)C(C)=C VVQNEPGJFQJSBK-UHFFFAOYSA-N 0.000 description 2
- UHESRSKEBRADOO-UHFFFAOYSA-N ethyl carbamate;prop-2-enoic acid Chemical compound OC(=O)C=C.CCOC(N)=O UHESRSKEBRADOO-UHFFFAOYSA-N 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 229920003023 plastic Polymers 0.000 description 2
- NIXOWILDQLNWCW-UHFFFAOYSA-M Acrylate Chemical compound [O-]C(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-M 0.000 description 1
- 239000004925 Acrylic resin Substances 0.000 description 1
- KRHYYFGTRYWZRS-UHFFFAOYSA-M Fluoride anion Chemical compound [F-] KRHYYFGTRYWZRS-UHFFFAOYSA-M 0.000 description 1
- CERQOIWHTDAKMF-UHFFFAOYSA-M Methacrylate Chemical compound CC(=C)C([O-])=O CERQOIWHTDAKMF-UHFFFAOYSA-M 0.000 description 1
- 239000004809 Teflon Substances 0.000 description 1
- 229920006362 Teflon® Polymers 0.000 description 1
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 1
- 238000000149 argon plasma sintering Methods 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000011111 cardboard Substances 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 125000002897 diene group Chemical group 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 238000010894 electron beam technology Methods 0.000 description 1
- 239000010419 fine particle Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000005342 ion exchange Methods 0.000 description 1
- 238000005468 ion implantation Methods 0.000 description 1
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 description 1
- 229910052753 mercury Inorganic materials 0.000 description 1
- 239000000178 monomer Substances 0.000 description 1
- 239000000123 paper Substances 0.000 description 1
- 239000011087 paperboard Substances 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000011342 resin composition Substances 0.000 description 1
- 229920005573 silicon-containing polymer Polymers 0.000 description 1
- 238000004544 sputter deposition Methods 0.000 description 1
- 238000000992 sputter etching Methods 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
Landscapes
- Optical Integrated Circuits (AREA)
- Illuminated Signs And Luminous Advertising (AREA)
Abstract
Description
【発明の詳細な説明】
〔産業上の利用分野〕
この発明は、グリーテイングカード、装飾品、ゲーム機
、玩具などに使用できる発光板に関するものである。DETAILED DESCRIPTION OF THE INVENTION [Industrial Application Field] The present invention relates to a light emitting board that can be used for greeting cards, ornaments, game machines, toys, and the like.
グリーテイングカードや装飾用平板に発光ダイオードを
取付け、赤や緑の光を発光する発光板が知られている。2. Description of the Related Art Light-emitting plates are known in which light-emitting diodes are attached to greeting cards or decorative flat plates to emit red or green light.
第３図は、平板に複数のＬＥＤを取付けた従来の装飾用
平板の概要を示すものである。基板１の上部には８字に
沿って開口部２が形成されており、その内部には複数の
ＬＥＤ３が一定間隔で配置されている。これらのＬＥＤ
３は、ＬＥＤ制御回路４により制御されている。制御回
路４は電源５に接続されている。電源５は、発光板の小
型化、軽量化、薄肉化の為に、−船釣に小型電池が採用
されている。電源５を入れると、基板１に配列されたＬ
ＥＤ３が所定のタイミングで点灯するので、文字（ある
いはデザイン）が光により形づくられ装飾効果や情報伝
達効果が向上する。FIG. 3 shows an outline of a conventional decorative flat plate in which a plurality of LEDs are attached to the flat plate. An opening 2 is formed along the figure 8 in the upper part of the substrate 1, and a plurality of LEDs 3 are arranged at regular intervals inside the opening 2. These LEDs
3 is controlled by an LED control circuit 4. Control circuit 4 is connected to power supply 5 . As the power source 5, a small battery is used for boat fishing in order to make the light emitting plate smaller, lighter, and thinner. When the power supply 5 is turned on, the L arrayed on the board 1
Since the ED3 lights up at a predetermined timing, the characters (or designs) are shaped by the light, improving the decorative effect and the information transmission effect.
しかしながら、従来の発光板はＬＥＤ３の数が多くなる
と、小型電池では容量が足りず、それぞれのＬＥＤ３に
供給される電流が不足したり、電池の寿命が短くなると
いう問題があった。その為、ＬＥＤ数の制限、デザイン
上の制約、発光上の制限が生じていた。However, in the conventional light emitting board, when the number of LEDs 3 increases, the capacity of a small battery is insufficient, and there is a problem that the current supplied to each LED 3 is insufficient and the life of the battery is shortened. Therefore, there are restrictions on the number of LEDs, restrictions on design, and restrictions on light emission.
そこで本発明は、上記問題点を解決することを目的とす
る。Therefore, the present invention aims to solve the above problems.
上記課題を達成する為、この発明は基板上に形成された
光導波路と、前記光導波路内に光を入射する光源と、前
記先導波路内に伝送された光を表面側に漏光させる漏光
手段とを含んで構成されている。In order to achieve the above object, the present invention includes an optical waveguide formed on a substrate, a light source that inputs light into the optical waveguide, and a light leakage means that leaks the light transmitted in the guide waveguide to the surface side. It is composed of:
この発明は以上のように構成されているので、光導波路
内の伝送光は漏光手段の作用により、光導波路の表面側
に放射される。従って、先導波路でデザインを形成すれ
ば、そのデザインが発光してみえる。Since the present invention is configured as described above, the transmitted light within the optical waveguide is radiated to the surface side of the optical waveguide by the action of the light leakage means. Therefore, if a design is formed using the leading waveguide, the design will appear to emit light.
以下、この発明の一実施例に係る発光板を添附図面に基
づき説明する。なお、説明において同一要素には同一符
号を使用し、重複する説明は省略する。Hereinafter, a light emitting plate according to an embodiment of the present invention will be described based on the accompanying drawings. In addition, in the description, the same reference numerals are used for the same elements, and redundant description will be omitted.
第１図は実施例に係る装飾用平板を用いた発光板を示す
ものである。同図（ａ）は８字をデザインした発光板を
示す斜視図、同図（ｂ）、（Ｃ）、（ｄ）は本実施例に
係る発光板に使用できる漏光手段の原理を示す縦断面図
である。FIG. 1 shows a light emitting plate using a decorative flat plate according to an embodiment. Figure (a) is a perspective view showing a light emitting plate with a character 8 design, and Figures (b), (C), and (d) are longitudinal sections showing the principle of a light leakage means that can be used in the light emitting plate according to this embodiment. It is a diagram.
基板６の上部には、光に対する屈折率が少なくとも基板
６より高い導光部７がＳ字状に形成されている。この導
光部７の周囲には、導光部７より光に対する屈折率が低
い低屈折部８が形成されている。導光部７の端部には、
光源９が配置されている（同図（ａ））。A light guiding portion 7 having a refractive index for light at least higher than that of the substrate 6 is formed in an S-shape above the substrate 6 . A low refraction section 8 having a lower refractive index for light than the light guide section 7 is formed around the light guide section 7 . At the end of the light guide section 7,
A light source 9 is arranged ((a) in the same figure).
基板６は例えば紙、プラスチック、板、あるいはそれら
の複合体で形成することができ、導光部７は可視光に対
して透明性の高い少なくとも一つのジエン基を持つモノ
マー重合体（例えば、アクリル系プラスチック、シリコ
ーン重合体）で形成することができる。また、光源９は
導光部７の端部に直接結合しても、光学系を介して間接
的に結合してもよい。さらに、導光部７を一筆書き状態
で連続した構造にすれば１色につき１つの光源でよいが
、導光部７を非連続的に構成して複数の光源を使用して
もよい。The substrate 6 can be made of, for example, paper, plastic, a board, or a composite thereof, and the light guide part 7 is made of a monomer polymer having at least one diene group that is highly transparent to visible light (for example, acrylic). plastics, silicone polymers). Further, the light source 9 may be directly coupled to the end of the light guide section 7 or may be coupled indirectly through an optical system. Further, if the light guide section 7 is made continuous in one stroke, one light source is required for each color, but the light guide section 7 may be arranged discontinuously to use a plurality of light sources.
次に、この実施例に適用できる漏光手段の一例を同図（
ｂ）、（ｃ）、（ｄ）を参照して説明する。同図（ｂ）
に示す漏光手段では、導光部７の表面を荒れ状！！Ａに
しておき、この部分から光が漏れるように構成されてい
る。同図（ｂ）に示す漏光手段では、導光部７の内部に
光散乱体Ｂを分散させ、伝送光を表面に放射させるよう
に構成されている。同図（ｃ）に示す漏光手段では、低
屈折部８の上に光に対する屈折率の高い高屈折部Ｃを塗
布して構成されている。この場合、導光部７と高屈折部
Ｃとの間に光カップリングが生じ光が表面に放射される
。なお、漏光手段としては同図（ｂ）、（Ｃ）、（ｄ）
を組合わせてもよい。この場合、漏光効果が向上する。Next, an example of a light leaking means that can be applied to this embodiment is shown in the same figure (
This will be explained with reference to b), (c), and (d). Same figure (b)
In the light leakage means shown in the figure, the surface of the light guide section 7 is roughened! ! It is set to A and is configured so that light leaks from this part. The light leaking means shown in FIG. 2B is configured to disperse light scattering bodies B inside the light guide section 7 and radiate transmitted light to the surface. The light leaking means shown in FIG. 2(c) is constructed by applying a high refraction portion C having a high refractive index to light on the low refraction portion 8. In this case, optical coupling occurs between the light guide section 7 and the high refraction section C, and light is emitted to the surface. Note that the light leakage means are shown in (b), (C), and (d) in the same figure.
may be combined. In this case, the light leakage effect is improved.
また、光源として白色光源を使用して導光部上に色付き
半透明膜を形成してもよい。この場合、導光部に沿って
任意の有色光を放射することができる。Alternatively, a colored semi-transparent film may be formed on the light guide by using a white light source as the light source. In this case, any colored light can be emitted along the light guide.
次に、第２図に基づき、発光体の形成方法を説明する。Next, a method for forming a light emitter will be explained based on FIG.
まず、白色のボール板紙９上にポリスチレン板１０を貼
り付ける（同図（ａ））。次に、テフロン樹脂を用いて
型抜きしてデザイン型板１１をポリスチレン板１０上に
のせ、紫外線硬化性メチルメタクリレート１２を型に流
し込む（同図（ｂ））。次に、型に入れたメタクリレー
ト１２を紫外線で硬化させた後、デザイン型板１１を取
り除き、導光部となったポリメチルメタクリレート層１
３を例えば１２００番のサンドペーパで荒くする（同図
（Ｃ））。この後、ポリメチルメタクリレート層１３よ
り光に対する屈折率が低いウレタンアクリレート１４を
塗布して紫外線で硬化させる。最後に、端部の垂直研磨
により入射部１３ａを形成する（同図（ｄ））。この入
射部１３ａに光源（図示せず）を結合させると発光体が
形成される。First, a polystyrene plate 10 is pasted on a white cardboard 9 (FIG. 9(a)). Next, the design template 11 is cut out using Teflon resin and placed on the polystyrene plate 10, and ultraviolet curable methyl methacrylate 12 is poured into the mold (FIG. 2(b)). Next, after curing the methacrylate 12 placed in the mold with ultraviolet rays, the design template 11 was removed, and the polymethyl methacrylate layer 1 which became the light guide part was removed.
3 with, for example, 1200-grit sandpaper (FIG. 3(C)). Thereafter, urethane acrylate 14 having a lower refractive index to light than the polymethyl methacrylate layer 13 is applied and cured with ultraviolet light. Finally, the entrance portion 13a is formed by vertical polishing of the end portion (FIG. 4(d)). When a light source (not shown) is coupled to this incident portion 13a, a light emitting body is formed.
なお、発光体の形成方法は上記実施例に限定されるもの
ではない。例えば、ポリフッ化ビニデンフィルム上に１
〜１０μｍのポリスチレン微粒子を含有した多官能アク
リレートを主成分とする感光性樹脂組成物の膜を形成し
、フォトマスクを介して高圧水銀灯を用いて紫外線を照
射する。その後、未露光部を現像液で溶解・除去する。Note that the method for forming the light emitter is not limited to the above embodiment. For example, 1 on polyvinidene fluoride film.
A film of a photosensitive resin composition mainly composed of polyfunctional acrylate containing polystyrene fine particles of ~10 μm is formed, and ultraviolet rays are irradiated using a high-pressure mercury lamp through a photomask. Thereafter, the unexposed areas are dissolved and removed using a developer.
以上の工程により導光部を形成することができる。次に
、この導光部より光に対する屈折率が低いアクリレート
系樹脂膜層を形成し、最後に導光部が形成された平面と
直交する端部を研磨し、光源を結合する。The light guide portion can be formed through the above steps. Next, an acrylate resin film layer having a lower refractive index for light than the light guide is formed, and finally the end portion perpendicular to the plane on which the light guide is formed is polished to couple the light source.
このように、上記実施例に係る発光板は光導波路から漏
れる光を利用する為に、最少限に必要な光源で複雑なデ
ザインの装飾体を形成することができ、より小型で安価
な電源で発光させることができる。In this way, since the light emitting plate according to the above embodiment utilizes the light leaking from the optical waveguide, it is possible to form a decorative body with a complicated design using the minimum necessary light source, and it is possible to form a decorative body with a complicated design using a smaller and cheaper power source. It can be made to emit light.
また、印刷により形成することができるので、量産性が
良い。さらに、発光板は板紙上にも形成できるので、曲
げることができ、デザイン上の自由度が増加する。Moreover, since it can be formed by printing, it is easy to mass-produce. Furthermore, since the light emitting plate can also be formed on paperboard, it can be bent, increasing the degree of freedom in design.
なお、この発明は上記実施例に限定されるものではない
。例えば、光導波路としては２次元光導波路（平面光導
波路）、３次元光導波路（リッジ形、埋込み形、装荷形
）を使用することができる。Note that this invention is not limited to the above embodiments. For example, a two-dimensional optical waveguide (planar optical waveguide) or a three-dimensional optical waveguide (ridge type, embedded type, loaded type) can be used as the optical waveguide.
また、発光体の形成方法は上記実施例に限定されない。Furthermore, the method of forming the light emitter is not limited to the above embodiment.
例えば、加熱、スパッタ蒸着、あるいはエピタキシャル
成長した高屈折率薄膜をエツチングすることによりリッ
ジ形光導波路を形成することができる。さらに、拡散、
イオン交換、イオン注入、光あるいは電子ビーム照射等
の手法を用いて埋込み形光導波路を形成することができ
る。For example, a ridge-shaped optical waveguide can be formed by heating, sputter deposition, or etching an epitaxially grown high refractive index thin film. Furthermore, diffusion,
A buried optical waveguide can be formed using techniques such as ion exchange, ion implantation, light or electron beam irradiation.
この発明は、以上説明したように構成されているので、
より少ない電源容量で発光板を発光させることができ、
電池寿命等が向上する。Since this invention is configured as explained above,
The light emitting board can be made to emit light with less power supply capacity,
Battery life etc. will be improved.
第１図は本発明の一実施例に係る発光板を示す図、第２
図は本発明の一実施例に係る発光板の形成方法を示す工
程図、第３図は従来技術に係る発光板を示すブロック図
である。
１．６・・・基板、２・・・開口部、３・・・ＬＥＤ。
４・・・制御回路、５・・・電源、７・・・導光部、８
・・・低屈折部、９・・・光源、１０・・・ポリスチレ
ン板、１１・・・デザイン型板、１２・・・メチルメタ
クリレート、１３・・・ポリメチルメタクリレート層、
１４・・・ウレタンアクリレート、Ａ・・・荒れ状態、
Ｂ・・・光散乱体、Ｃ・・・高屈折率。FIG. 1 is a diagram showing a light emitting plate according to an embodiment of the present invention, and FIG.
The figure is a process diagram showing a method of forming a light emitting plate according to an embodiment of the present invention, and FIG. 3 is a block diagram showing a light emitting plate according to the prior art. 1.6... Board, 2... Opening, 3... LED. 4... Control circuit, 5... Power source, 7... Light guide section, 8
...Low refraction part, 9...Light source, 10...Polystyrene plate, 11...Design template, 12...Methyl methacrylate, 13...Polymethyl methacrylate layer,
14... Urethane acrylate, A... Rough condition,
B...Light scatterer, C...High refractive index.
Claims (1)
を入射する光源と、前記光導波路内に伝送された光を表
面側に漏光させる漏光手段とを含んで構成されている発
光板。A light emitting plate configured to include an optical waveguide formed on a substrate, a light source that inputs light into the optical waveguide, and a light leaking means that leaks the light transmitted within the optical waveguide to the surface side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2099811A JP2814684B2 (en) | 1990-04-16 | 1990-04-16 | Luminescent plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2099811A JP2814684B2 (en) | 1990-04-16 | 1990-04-16 | Luminescent plate |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH03296089A true JPH03296089A (en) | 1991-12-26 |
| JP2814684B2 JP2814684B2 (en) | 1998-10-27 |
Family
ID=14257242
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2099811A Expired - Fee Related JP2814684B2 (en) | 1990-04-16 | 1990-04-16 | Luminescent plate |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2814684B2 (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0876703A (en) * | 1994-09-05 | 1996-03-22 | Tsukamoto Fukuo | Light emitting body |
| JP2009524082A (en) * | 2006-01-12 | 2009-06-25 | ピーピージー インダストリーズ オハイオ， インコーポレイテッド | Display panel having function of redirecting light introduced by laser |
| EP2075603A1 (en) * | 2007-12-25 | 2009-07-01 | Nitto Denko Corporation | Optical waveguide for luminescent device and manufacturing method thereof |
| US7575355B2 (en) | 2006-01-27 | 2009-08-18 | Megapull, Inc. | Apparatus for illuminating channel letters and light boxes |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5378996U (en) * | 1976-12-02 | 1978-06-30 | ||
| JPS6070878U (en) * | 1983-10-19 | 1985-05-18 | 横河電機株式会社 | fiber optic display device |
-
1990
- 1990-04-16 JP JP2099811A patent/JP2814684B2/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5378996U (en) * | 1976-12-02 | 1978-06-30 | ||
| JPS6070878U (en) * | 1983-10-19 | 1985-05-18 | 横河電機株式会社 | fiber optic display device |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0876703A (en) * | 1994-09-05 | 1996-03-22 | Tsukamoto Fukuo | Light emitting body |
| JP2009524082A (en) * | 2006-01-12 | 2009-06-25 | ピーピージー インダストリーズ オハイオ， インコーポレイテッド | Display panel having function of redirecting light introduced by laser |
| US7575355B2 (en) | 2006-01-27 | 2009-08-18 | Megapull, Inc. | Apparatus for illuminating channel letters and light boxes |
| EP2075603A1 (en) * | 2007-12-25 | 2009-07-01 | Nitto Denko Corporation | Optical waveguide for luminescent device and manufacturing method thereof |
| US7844157B2 (en) | 2007-12-25 | 2010-11-30 | Nitto Denko Corporation | Optical waveguide for luminescent device and manufacturing method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2814684B2 (en) | 1998-10-27 |
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