JP2005193892A - 自動車用の信号または照明装置 - Google Patents
自動車用の信号または照明装置 Download PDFInfo
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- JP2005193892A JP2005193892A JP2004364197A JP2004364197A JP2005193892A JP 2005193892 A JP2005193892 A JP 2005193892A JP 2004364197 A JP2004364197 A JP 2004364197A JP 2004364197 A JP2004364197 A JP 2004364197A JP 2005193892 A JP2005193892 A JP 2005193892A
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- B60Q1/30—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to indicate the vehicle, or parts thereof, or to give signals, to other traffic for indicating rear of vehicle, e.g. by means of reflecting surfaces
- B60Q1/302—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to indicate the vehicle, or parts thereof, or to give signals, to other traffic for indicating rear of vehicle, e.g. by means of reflecting surfaces mounted in the vicinity, e.g. in the middle, of a rear window
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
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- Optics & Photonics (AREA)
- Microelectronics & Electronic Packaging (AREA)
- General Physics & Mathematics (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
- Lighting Device Outwards From Vehicle And Optical Signal (AREA)
- Arrangements Of Lighting Devices For Vehicle Interiors, Mounting And Supporting Thereof, Circuits Therefore (AREA)
- Light Guides In General And Applications Therefor (AREA)
Abstract
【解決手段】 本発明は、主要発光方向X−Xを定める少なくとも1つの光源Lと、少なくとも1つの細長い光ガイドG1とを備え、光ガイドの一端が、前記光源によって照明され、その長手方向に対して横方向に光を拡散するようになっている、特に自動車用の信号または照明装置に関する。前記光ガイドは前記光源の近くに長手方向軸線Y1を有し、この長手方向軸線は、前記主要発光方向に対して横方向に配置されており、よって、前記光源からの光束の一部が前記光ガイドとは独立して比較的強い光強度を有する第1信号機能または照明機能を提供し、更に前記光ガイドG1、G2の長手方向に沿って、より弱い光強度の直線状の第2信号機能または照明機能が提供される。
【選択図】 図1
Description
発光ダイオード1を点灯すると、方向X−Xに主な発光が生じる。輝度強度は、レンズ4および補助レンズ34を構成する光学的装置により集中させられる。
E1 端面
G1 光ガイド
G2 第2光ガイド
L 光源
S 信号装置
1 発光ダイオード
2 光学系
3 補助レンズ
3a ステップ
3c タイル要素
4 半凸レンズ要素
5a ハウジング
5b ハウジング
6 ノコギリ歯要素
7 ストリップ
8 平らな面
9 中立ゾーン
10 ハウジング
10a アパーチャー
11 ゾーン
14 可視面
18 光学系
Claims (16)
- 主要発光方向(X−X)を定める少なくとも1つの光源(L、La、Lc)と、少なくとも1つの細長い光ガイドとを備え、この光ガイドの一端が前記光源によって照明され、光ガイドが、その長手方向に対して横方向に光を拡散するようになっている、自動車用の信号または照明装置において、
前記光ガイド(G1、G2;G1a、G1b、G2b;Ga、Gb;G1c、G2c)が、少なくとも前記光源(L、La、Lc)の近くに長手方向軸線(Y1、Y2)を有し、この長手方向軸線が、前記主要発光方向(X−X)に対して横方向に配置されており、もって、前記光源(L、La、Lc)からの光束の一部が、前記光ガイドとは独立して、比較的強い光強度を有する第1信号機能または照明機能を発揮し、更に、前記光ガイド(G1、G2;G1a、G1b、G2b;Ga、Gb;G1c、G2c)の長手方向に沿って、より弱い光強度の直線状の第2信号機能または照明機能が提供されるようになっていることを特徴とする、信号または照明装置。 - 前記光源(L)が、斜め方向(B)にも発光するようになっていて、この光源(L)が、主要発光方向に第1信号機能または照明機能を発揮し、一方、斜め方向の発光により、光ガイド(G1、G2;G1a、G1b、G2b;Ga、Gb;G1c、G2c)の長手方向に沿って、直線状の第2の信号機能または照明機能が提供されるようになっていることを特徴とする、請求項1記載の装置。
- 前記主要方向への発光を集光するための、前記光源(L)に関連した光学系(2)を含むことを特徴とする、請求項1または2記載の装置。
- 前記光源(L)が、球面にわたって実質的に照明する少なくとも1つの発光ダイオード(1)を有し、かつ前記光ガイド(G1、G2;G1a;G1b、G2b;Ga、Gb;G1c、G2c)が、少なくとも前記光源の近くに、前記主要発光方向に対して直角の長手方向軸線を有することを特徴とする、請求項1〜3のいずれかに記載の装置。
- 複数の光ガイド(G1、G2、G1b、G2b)が、1つの共通の光源(L1、1)に関連しており、かつ前記主要発光方向を中心として、円周方向に離間していることを特徴とする、請求項1〜4のいずれかに記載の装置。
- 前記光ガイド(G1a、G1b、G2b)が、湾曲していることを特徴とする、請求項1〜5のいずれかに記載の装置。
- 前記光源(L、1)が、少なくとも2つの光ガイド(G1、G2;G1a、G1b)の間の中心位置に位置することを特徴とする、請求項1〜6のいずれかに記載の装置。
- 前記光源に関連する前記光学系(2)が、透明材料の補助レンズ(3)を含み、光が放出される前に光の内部反射を生じさせるとともに、ターゲット機能を奏するように、前記補助レンズが適当な角度に配向されたファセット(3a)を有することを特徴とする、請求項3記載の装置。
- 横方向に拡散するようになっている光ガイド(Ga)によって、共に一体となるように接合された複数の光源(La)を有することを特徴とする、請求項1〜8のいずれかに記載の装置。
- 光ガイド(10b)が、少なくとも1つの中立ゾーン(9)を有し、この中立ゾーンにおいて、光の横方向の拡散が生じないようになっていることを特徴とする、請求項1〜9のいずれかに記載の装置。
- 主要ビームを形成するように配向された収束レンズ(12)を有することを特徴とする、請求項1〜10のいずれかに記載の装置。
- 前記光ガイド内で光線を集光するよう、前記光源の近くにおいて、各光ガイドの端部に集束レンズ(M)が配置されていることを特徴とする、請求項1〜11のいずれかに記載の装置。
- 前記光源の両側に位置する前記光ガイド(G1、G2)が、前記光源のためのハウジング(10)を含む単一部品を構成し、前記光ガイドの端部に対応する前記ハウジングの面が、前記ガイド内に光線を集めるように凸状となっていることを特徴とする、請求項1〜12のいずれかに記載の装置。
- プリズム、ストリップ、および光学マイクロモチーフから成る群から選択された要素を含む面(F)により、前記光ガイドによる光の拡散が保証されていることを特徴とする、請求項1〜13のいずれかに記載の装置。
- プリズム、ストリップ、または光学マイクロモチーフを含む面(F)が、光透過率を改善するように金属被覆されていることを特徴とする、請求項14記載の装置。
- 前記光源(Lc)が、少なくとも2つのサブアセンブリ(1b、1b;1c、1c)に分割された複数の基本的光源(1b、1c)を有し、前記2つのサブアセンブリ(1b、1b)が、主要信号機能または照明機能を保証するための光学系(図6)に関連しており、一方、別のサブアセンブリ(1c、1c)が、長い長さにわたって、二次機能を保証するよう少なくとも1つの光ガイド(G1c、G2c)と協働するようになっていることを特徴とする、請求項1記載の装置。
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FR0315115A FR2864204B1 (fr) | 2003-12-19 | 2003-12-19 | Dispositif de signalisation ou d'eclairage, en particulier pour vehicule automobile |
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US (1) | US7452114B2 (ja) |
EP (1) | EP1547865B1 (ja) |
JP (1) | JP4664662B2 (ja) |
AT (1) | ATE352454T1 (ja) |
DE (1) | DE602004004490T2 (ja) |
ES (1) | ES2280919T3 (ja) |
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JP2014154522A (ja) * | 2013-02-14 | 2014-08-25 | Stanley Electric Co Ltd | 導光レンズ及び灯具 |
DE102015101301A1 (de) | 2014-02-03 | 2015-08-06 | Panasonic Intellectual Property Management Co., Ltd. | Beleuchtungsvorrichtung und Fahrzeug mit derselben |
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JP2020147273A (ja) * | 2019-03-08 | 2020-09-17 | ミツミ電機株式会社 | 導光体及び発光装置 |
JP7343783B2 (ja) | 2019-03-08 | 2023-09-13 | ミツミ電機株式会社 | 導光体及び発光装置 |
Also Published As
Publication number | Publication date |
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DE602004004490D1 (de) | 2007-03-15 |
US7452114B2 (en) | 2008-11-18 |
ES2280919T3 (es) | 2007-09-16 |
ATE352454T1 (de) | 2007-02-15 |
JP4664662B2 (ja) | 2011-04-06 |
US20050141213A1 (en) | 2005-06-30 |
DE602004004490T2 (de) | 2008-01-03 |
EP1547865B1 (fr) | 2007-01-24 |
FR2864204A1 (fr) | 2005-06-24 |
PL1547865T3 (pl) | 2007-06-29 |
EP1547865A1 (fr) | 2005-06-29 |
FR2864204B1 (fr) | 2006-10-27 |
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