JPS62241382A - Light-emitting diode structure - Google Patents
Light-emitting diode structureInfo
- Publication number
- JPS62241382A JPS62241382A JP61084569A JP8456986A JPS62241382A JP S62241382 A JPS62241382 A JP S62241382A JP 61084569 A JP61084569 A JP 61084569A JP 8456986 A JP8456986 A JP 8456986A JP S62241382 A JPS62241382 A JP S62241382A
- Authority
- JP
- Japan
- Prior art keywords
- light
- emitting diode
- light emitting
- substrate
- diode structure
- 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.)
- Pending
Links
- 239000000758 substrate Substances 0.000 claims abstract description 28
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 abstract description 2
- 229910052802 copper Inorganic materials 0.000 abstract description 2
- 239000010949 copper Substances 0.000 abstract description 2
- 230000003287 optical effect Effects 0.000 abstract 3
- 239000004593 Epoxy Substances 0.000 description 2
- 238000009792 diffusion process Methods 0.000 description 2
- 239000005357 flat glass Substances 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 230000000007 visual effect Effects 0.000 description 2
- 241001391944 Commicarpus scandens Species 0.000 description 1
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 238000013475 authorization Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 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
- 229920003229 poly(methyl methacrylate) Polymers 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 239000004926 polymethyl methacrylate Substances 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
- 230000002269 spontaneous effect Effects 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
Landscapes
- Led Device Packages (AREA)
Abstract
Description
【発明の詳細な説明】
〔産業上の利用分野〕
本発明は、発光ダイオード構造物に関し、詳細には照明
燈、或いは特に自動車の制動燈、前照燈または尾燈等の
ランプの発光源として用いるのに最適な発光ダイオード
構造物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 diode structure, particularly for use as a light emitting source for lighting lights, or in particular for lamps such as brake lights, headlights or taillights of automobiles. This invention relates to a light emitting diode structure that is most suitable for
〔従来の技術・発明が解決しようとする問題点〕従来、
この種の特に自動車の制動燈、前照燈または尾燈等のラ
ンプの発光源としては、たとえばフィラメントを使用し
たものがあるが、フィラメントを使用したランプは消費
電力が２〜ＩＯＡと比較的多く、そのため発熱が著しい
ので断線し易く、しかもランプ自体が大、きくかつ重く
なる。このような問題点を解決するために、複数の発光
ダイオードからなる構造物をフィラメントの代わりに発
光源として用いたものがある。この発光ダイオード構造
物は、基板の一方の面に導電パターンを介して複数の発
光ダイオードを取付けたものであり、これをランプの発
光源として用いた場合は、消費電力がＩＡ程度以下と非
常に少なく、断線するようなことはないので、半永久的
に使用することができ、加えてランプ自体も軽くかつ小
さくなる。[Problems to be solved by conventional technology/invention] Conventionally,
For example, filaments are used as a light source for lamps such as brake lights, headlights, and taillights of automobiles, but lamps using filaments consume a relatively large amount of power at 2 to IOA. As a result, the lamp generates a significant amount of heat, making it easy to break, and the lamp itself becomes larger, louder, and heavier. In order to solve these problems, there is a structure that uses a plurality of light emitting diodes as a light emitting source instead of a filament. This light emitting diode structure has a plurality of light emitting diodes attached to one surface of a substrate via a conductive pattern, and when used as a light emitting source for a lamp, the power consumption is very low, less than about IA. Since there is no possibility of wire breakage, it can be used semi-permanently, and in addition, the lamp itself is lighter and smaller.
しかしながら、この発光ダイオード構造物は、発光ダイ
オードを取付けるための基板が透光性でないため、基板
の後方に発散する光の一部が基板に吸収されたり、また
光を反射する機能を有していないので、光の一部が基板
の後方に発散してしまい、発光ダイオードの発光を効率
よく得ることができないという不都合を有する。However, in this light-emitting diode structure, since the substrate on which the light-emitting diode is attached is not translucent, some of the light emitted toward the rear of the substrate is absorbed by the substrate, and the substrate also has the function of reflecting light. As a result, part of the light is scattered behind the substrate, resulting in the inconvenience that the light emitted from the light emitting diode cannot be efficiently obtained.
従って本発明の目的は、上記の発光ダイオード構造物の
不都合を克服して、発光ダイオードの発光を効率良く利
用できると共に、ランプの発光源として使用した場合に
その発光色の輝度を高めることができる発光ダイオード
構造物を提供することにある。Therefore, an object of the present invention is to overcome the disadvantages of the above-mentioned light emitting diode structure, to efficiently utilize the light emitted from the light emitting diode, and to increase the brightness of the emitted light color when used as a light source for a lamp. An object of the present invention is to provide a light emitting diode structure.
前記目的を達成するために、本発明の発光ダイオード構
造物は、透光性の基板の一方の面に形成した導電パター
ンと、この導電パターン上に取付けた複数の発光ダイオ
ードと、基板の他方の面に設けた光反射板とからなるこ
とを特徴とするものである。In order to achieve the above object, the light emitting diode structure of the present invention includes a conductive pattern formed on one side of a transparent substrate, a plurality of light emitting diodes mounted on the conductive pattern, and a light emitting diode structure formed on the other side of the substrate. It is characterized by comprising a light reflecting plate provided on the surface.
本発明の発光ダイオード構造物に使用する基板としては
、透光性を有するものならば特に制限はなく、たとえば
、ガラス、透光性のポリマー〔たとえばエポキシ（特に
ガラスエポキシ）、ポリメチルメタアクリレート〕等が
ある。光反射板は発光ダイオードの発光のうち基板を通
過してくる光を反射することができるものであればよく
、たとえば鏡、或いは金、銀、水銀またはアルミニウム
を反射面に諺着した薄膜上のものであってもよく、その
他光を反射できるものであるなら限定されない。The substrate used in the light emitting diode structure of the present invention is not particularly limited as long as it has translucency, such as glass, translucent polymers [e.g., epoxy (especially glass epoxy), polymethyl methacrylate] etc. The light reflecting plate may be anything that can reflect the light emitted by the light emitting diode that passes through the substrate, such as a mirror or a thin film with gold, silver, mercury, or aluminum on the reflective surface. It is not limited to any other material as long as it can reflect light.
また、発光ダイオードは市販されているもので構わず、
その発光色にも別に特定はなく、たとえば自動車等の制
動項に使用する場合は赤色、方向指示燈の場合は黄色、
緑色の信号燈では緑色等、用途に応じて所望の発光色の
ものを選択すればよい。In addition, the light emitting diode can be any commercially available one.
There is no specific color for the emitted light; for example, red when used for braking in automobiles, yellow for direction indicators, etc.
For a green signal light, a desired light emitting color may be selected depending on the purpose, such as green.
本発明の発光ダイオード構造物は、特に自動車の制動項
の発光源に適するものであるが、ここでいう制動項は、
自動車のりャバンパの上方の位置に取付けられている通
常の制動項のみではなく、たとえば庫室の内部において
後部窓ガラスを通して自動車の後方から良く見える位置
に取付ける制動項をも包含するものであり、この制動項
は通常の制動項よりも高い位置に取付けるということか
らハイマウント制動項と呼称されている。The light emitting diode structure of the present invention is particularly suitable as a light source for the braking term of an automobile, and the braking term here is
It includes not only normal braking devices installed above the rear bumper of a car, but also braking devices installed inside a storage compartment in a position that can be clearly seen from the rear of the car through the rear window glass. The braking term is called a high-mounted braking term because it is mounted at a higher position than a normal braking term.
以下、本発明の発光ダイオード構造物の実施例を図面に
基づいて説明する。Hereinafter, embodiments of the light emitting diode structure of the present invention will be described based on the drawings.
第１図及び第２図に示した一実施例の発光ダイオード構
造物は、ランプの発光源として用いる場合を示したもの
である。透光性の基板１の一方の面には銅等からなる導
電パターン２が形成され、さらにこの導電パターン２上
に複数の発光ダイオード素子３が取付けられている。第
２図から明らかなように、基板ｌ上の導電パターン２は
発光ダイオード素子が縦ｎ行方向に並列接続、並びに横
ｍ列方向に直列接続されるように設定されており、行方
向に並んだ発光ダイオード素子は互いにボンディングワ
イヤ４によって接続されている。これにより、リード線
５から電気が供給され、各発光ダイオード素子３がそれ
ぞれ発光することになる。The light emitting diode structure of one embodiment shown in FIGS. 1 and 2 is used as a light emitting source for a lamp. A conductive pattern 2 made of copper or the like is formed on one surface of a transparent substrate 1, and a plurality of light emitting diode elements 3 are mounted on this conductive pattern 2. As is clear from FIG. 2, the conductive pattern 2 on the substrate l is set so that the light emitting diode elements are connected in parallel in the vertical n rows and in series in the horizontal m columns. The light emitting diode elements are connected to each other by bonding wires 4. As a result, electricity is supplied from the lead wire 5, and each light emitting diode element 3 emits light.
そして、基板１の他方の面には前述したような光反射板
６が設けられている。A light reflecting plate 6 as described above is provided on the other surface of the substrate 1.
このような発光ダイオード構造物は、透光性の基板ｌを
使用し、さらに基板１に光反射板６を設けたことにより
、発光ダイオード素子３からの発光のうち基板１の後方
に発散する光を光反射板６によって基板１の前方（図中
の矢印方向）に反射することができるので、発光を効率
良く利用することができる。Such a light emitting diode structure uses a light-transmitting substrate 1 and further provides a light reflecting plate 6 on the substrate 1, so that the light emitted from the light emitting diode element 3 that diverges toward the rear of the substrate 1 is reduced. Since the light can be reflected forward of the substrate 1 (in the direction of the arrow in the figure) by the light reflecting plate 6, the light emitted can be used efficiently.
この構造物を実際に使用する場合、第２図に示したよう
に、たとえば縦ｎ行×横ｍ列を５×１２とし計６０個の
発光ダイオード素子を使用したものを発光源としてラン
プに設置する。第１図に示したランプは、第２図に示し
た発光ダイオード構造物を使用したもので、基板１に取
付けられた光ガイド７の内面に光沢性のある金、銀、水
銀またはアルミニウム等が蒸着され、光ガイド７の前面
には光拡散板８が取付けられている。When actually using this structure, as shown in Figure 2, for example, a structure using a total of 60 light emitting diode elements (n rows x m columns x 5 x 12) is installed in a lamp as a light source. do. The lamp shown in FIG. 1 uses the light emitting diode structure shown in FIG. A light diffusing plate 8 is attached to the front surface of the light guide 7.
第３図は上記構造のランプを自動車のハイマウント制動
項のケーシング９に組み込んだ場合の一例を示す、この
ハイマウント制動項は、前述した如く自動車の車室内に
おいて後部窓ガラスを通して自動車の後方から良く見え
る位置に取付けるためのものである。この場合、光拡散
板８から発散される光が赤色であれば、発光ダイオード
の発光色や光拡散板８の色には特に限定はな（、たとえ
ば、赤色発光ダイオード及び赤色の光拡散板を使用して
もよいが、赤色発光ダイオードを用いた場合は必ずしも
赤色の光拡散板を使用する必要はなく、たとえば無色の
光拡散板であっても構わない。FIG. 3 shows an example of a case in which a lamp with the above structure is incorporated into the casing 9 of a high-mounted brake system of an automobile.As mentioned above, this high-mounted brake system is installed from the rear of the vehicle through the rear window glass in the interior of the vehicle. It is intended to be installed in a position where it can be seen clearly. In this case, as long as the light emitted from the light diffusing plate 8 is red, there is no particular limitation on the emitted light color of the light emitting diode or the color of the light diffusing plate 8 (for example, if the light emitted from the light emitting diode and the red light diffusing plate 8 is However, if a red light emitting diode is used, it is not necessarily necessary to use a red light diffusion plate; for example, a colorless light diffusion plate may be used.
本発明の発光ダイオード構造物は前述したように従来の
発光ダイオード構造物よりも一段と発光輝度が向上した
ものであるため、これを自動車等の制動燈に使用すれば
、鮮明な赤色光を外部に発散して、視覚に対して注意を
強力に働き掛け、確実に視認することができ、交通安全
上においても大変有用である。As mentioned above, the light emitting diode structure of the present invention has much improved luminance compared to conventional light emitting diode structures, so if it is used in brake lights for automobiles, it will emit clear red light to the outside. The light diverges and strongly draws attention to the visual sense, allowing for reliable visual recognition, which is also very useful for traffic safety.
以上説明したように、本発明の発光ダイオード構造物は
、透光性の基板の一方の面に複数の発光ダイオードを導
電パターンを介して取付け、基板の他方の面に光反射板
を設けたことにより、基板の後方に発散する光が基板に
よって吸収されることなく、光反射板によって基板の前
方に反射され、発光ダイオードからの発光を効率良く活
用することができ、照明燈等では実用工種めて有用であ
り、たとえば自動車等のハイマウント制動項、前照燈、
尾燈、方向指示燈等に使用すれば、発光色の輝度の向上
による視認性の向上が計れるため、交通安全上有効なも
のである。さらに、第１図に示したように発光ダイオー
ド構造物に予め光ガイドや光拡散板を取付けて一体化し
ておけば、第３図に示したようなハイマウント制動項等
のケーシングに組み込む時の作業性が良くなり、制動燈
等の量産性が向上する。As explained above, the light emitting diode structure of the present invention has a plurality of light emitting diodes attached to one side of a transparent substrate via a conductive pattern, and a light reflecting plate is provided on the other side of the substrate. As a result, the light that diverges toward the rear of the board is not absorbed by the board, but is reflected in front of the board by the light reflecting plate, making it possible to efficiently utilize the light emitted from the light emitting diode. For example, it is useful for high-mounted braking devices such as automobiles, headlights, etc.
When used in taillights, direction indicator lights, etc., visibility can be improved by improving the luminance of the emitted color, which is effective for traffic safety. Furthermore, if a light guide and a light diffusing plate are attached and integrated with the light emitting diode structure in advance as shown in Figure 1, it is possible to incorporate it into a casing such as a high-mounted damper as shown in Figure 3. Improves work efficiency and improves mass production of brake lights, etc.
第１図は本発明の発光ダイオード構造物をランプの発光
源として使用した場合のそのランプの断面図、第２図は
第１図に示したランプの発光源として使用した本発明の
発光ダイオード構造物の一実施例の平面図、第３図は第
１図に示したランプを自動車のハイマウント制動項に組
み込んだ時の斜視図である。
１ ：基板
２ ：導電パターン
３ ：発光ダイオード素子
６ ：光反射板
７ ：光ガイド
８ ：光拡散板
９ ：ケーシング
特許出願人 大日日本電線株式会社手続ネ甫正書
（自発）Fig. 1 is a cross-sectional view of a lamp in which the light emitting diode structure of the present invention is used as a light emitting source of the lamp, and Fig. 2 is a light emitting diode structure of the present invention used as a light emitting source of the lamp shown in Fig. 1. FIG. 3 is a plan view of one embodiment of the invention, and is a perspective view when the lamp shown in FIG. 1 is installed in a high-mounted brake system of an automobile. 1: Substrate 2: Conductive pattern 3: Light emitting diode element 6: Light reflecting plate 7: Light guide 8: Light diffusing plate 9: Casing Patent applicant Dainichi Nippon Electric Cable Co., Ltd. Procedural Negotiation Authorization (spontaneous)
Claims (2)
と、この導電パターン上に取付けた複数の発光ダイオー
ドと、基板の他方の面に設けた光反射板とからなること
を特徴とする発光ダイオード構造物。(1) It is characterized by consisting of a conductive pattern formed on one side of a translucent substrate, a plurality of light emitting diodes mounted on this conductive pattern, and a light reflecting plate provided on the other side of the substrate. light emitting diode structure.
光源であることを特徴とする特許請求の範囲第（１）項
記載の発光ダイオード構造物。(2) The light emitting diode structure according to claim (1), wherein the light emitting diode structure is a light emitting source for a brake light of an automobile.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP61084569A JPS62241382A (en) | 1986-04-11 | 1986-04-11 | Light-emitting diode structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP61084569A JPS62241382A (en) | 1986-04-11 | 1986-04-11 | Light-emitting diode structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS62241382A true JPS62241382A (en) | 1987-10-22 |
Family
ID=13834296
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP61084569A Pending JPS62241382A (en) | 1986-04-11 | 1986-04-11 | Light-emitting diode structure |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS62241382A (en) |
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-
1986
- 1986-04-11 JP JP61084569A patent/JPS62241382A/en active Pending
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