JP2007311352A - 自動車用照明及び/又は信号用装置 - Google Patents
自動車用照明及び/又は信号用装置 Download PDFInfo
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Abstract
【解決手段】 導光シート(28)が、その一端に反射層(30)を備えて、この反射層(30)が光線の向きを前記導光シート(28)方向に変え、更にこの導光シート(28)の出力側外形(36)が、反射層(30)から離れた端部に、前記シート(28)の長手方向の軸に対して傾斜している反射体(38)を備え、これにより、前記光線が、前記長手方向の軸に対して実質的に平行な発光方向に反射するようにした。
【選択図】図2
Description
−光線を放射する少なくとも1個の光源と、
−光源から放射された光線が、連続的に反射することによって広がる少なくとも1個の光導光シート、
とを備えている。
出力ビームを供給する。
−そのプロファイルがどのようであろうと、対象表面を処理して本質的に反射性を有するようにする。これは、特に、公知の方法でアルミニウムめっきを行って、薄い反射層を被覆することである。
−横方向の面に沿って広がる第1の部材と、
−長手方向の面に沿って広がり、かつ第1の部材に対して実質的に直角に配置された第2の部材を備え、
かつ導光シートの第1の部材と第2の部材の交点に、特に導光シートの長手方向の軸に対して傾斜し、これにより、光が導光シートの出力側外形に向けて反射する反射フェースを備える、
こととして知られる折り曲げ導光シートを備えている。
−その基部が、発光方向に対して、後面側にあり、かつ光源が収容されている円筒状の空間、及び
−光源から発光される全ての光を導光シート内に反射させるように、円筒状空間に対して形成され、発光方向に対して前面側にある、回転により生成されたプリズムを備え、
−かつ光源は、光を長手方向の発光方向に発光する光源である。
前述の説明では、光源32を、導光シート28内のオリフィス37中に配置した。
12 光学的束
16 屈曲部
18 光ガイド
28 導光シート
30 反射層
32 光源
33 前面
34 入力側層
35 後面
36 出力側外形
37 オリフィス
38 反射体
40 出力側フェース
41 基部
42 空間
44 回転体
50 扇形部分
Claims (16)
- −光線を発光する少なくとも1個の光源(32)と、
−光源(32)から発光された光線が連続的な反射によって広がる少なくとも1個の光導光シート(28)を、
備える長手方向(F)の照明のための自動車用照明及び/又は信号装置において、
前記導光シート(28)が、その一端に反射層(30)を備えて、この反射層(30)が光線の向きを前記導光シート(28)方向に変え、更にこの導光シート(28)の出力側外形(36)が、反射層(30)から離れた端部に、前記シート(28)の長手方向の軸に対して傾斜している反射体(38)を備え、これにより、前記光線が、前記長手方向の軸に対して実質的に平行な発光方向に反射するようにしたことを特徴とする自動車用照明及び/又は信号装置。 - 導光シート(28)が、発光方向(F)と実質的に直角な平面上を広がっていることを特徴とする請求項1記載の照明及び/又は信号装置。
- 出力側外形(36)が、導光シート(28)の端部に対して横方向の平面上にある、円形プロファイルの弧状の凹面を有することを特徴とする請求項1又は2記載の照明及び/又は信号装置。
- 導光シート(28)の反射層(30)が、この反射層(30)で反射する任意の光が実質的に直角に出力側外形(36)に到達するようなプロファイルを有することを特徴とする請求項1〜3のいずれか1項に記載の照明及び/又は信号装置。
- 導光シート(28)の反射層(30)が、長円形のプロファイルを有し、かつ光源(32)が、長円形のプロファイルの第1の焦点に配置され、環状の出力側外形(36)の弧の中央が第2の焦点に配置され、これにより反射層(30)で反射する任意の光が実質的に直角に出力側外形(36)に到達するようにしたことを特徴とする請求項1〜4のいずれか1項に記載の照明及び/又は信号装置。
- 導光シート(28)の反射層(30)が、フレネリの光学的性質を有し、これにより反射層(30)で反射する任意の光が実質的に直角に出力側外形(36)に到達するようにしたことを特徴とする請求項1〜5のいずれか1項に記載の照明及び/又は信号装置。
- 出力側外形(36)が、導光シート(28)に対して、横方向かつ長手方向の平面に、出力フェース(40)を備え、かつこの出力フェース(40)が、その形状が、シート(28)から発光された光線が、装置の長手方向の軸に実質的に平行な出力ビームを形成するようなプロファイルを有することを特徴とする請求項1〜6のいずれか1項に記載の照明及び/又は信号装置。
- 導光シート(28)が、装置の後方に向かって広がる湾曲したシートであることを特徴とする請求項3〜7のいずれか1項に記載の照明及び/又は信号装置。
- −横方向の面に沿って広がる第1の部材(27)と、
−長手方向の面に沿って広がり、かつ第1の部材(27)に対して実質的に直角に配置された第2の部材(29)を備え、
かつ導光シート(28)の第1の部材(27)と第2の部材(29)の交点に、導光シート(28)の長手方向の軸に対して傾斜し、これにより光が導光シート(28)の出力側外形(36)に向けて反射する反射フェース(31)を備える、
こととして知られる折り曲げ導光シート(28b)を備えることを特徴とする請求項1〜7のいずれか1項に記載の照明及び/又は信号装置。 - 光源(32)が、折り曲げ導光シート(28b)として知られる第1の部材(27)の反射層(30)の長円形プロファイルの第1の焦点に配置されていることを特徴とする請求項9に記載の照明及び/又は信号装置。
- 光源(32)が、折り曲げ導光シート(28b)として知られる第1の部材(27)の反射層(30)の長円形プロファイルの第2の焦点に配置されていることを特徴とする請求項9に記載の照明及び/又は信号装置。
- 光源(32)が、光線を放射状に発光する発光ダイオードで、装置の横方向の面に対して、最大で約50°、好ましくは約30°の角度を有する円錐孔の長手方向軸の周囲に発光することを特徴とする請求項1〜11のいずれか1項に記載の照明及び/又は信号装置。
- 導光シート(28)が、
−その基部(41)が、発光方向(F)に対して、後面(35)側にあり、かつ光源(32)が収容されている円筒状の空間(42)及び
−光源(32)から発光される全ての光を導光シート(28)内に反射させるように、円筒状空間(42)に対して形成され、発光方向(F)に対して前面側にある、回転により生成されたプリズム(44)を備え、
かつ光源(32)が、光を長手方向の発光方向(F)に発光する光源であることを特徴とする請求項2〜12のいずれか1項に記載の照明及び/又は信号装置。 - 光源(32)が、光ガイドの端部に配置された光源であり、かつ光ガイドの他端が、平面状の基部(41)を有する空間(42)に配置され、これにより光線が導光シート(28)内に向かうようにしたことを特徴とする請求項13に記載の照明及び/又は信号装置。
- モジュールの長手方向の軸の周りの横方向の面に、放射状に分散された、請求項1〜14のいずれか1項に記載の複数の装置を備えることを特徴とする自動車用照明及び/又は信号モジュール。
- 各々が、光源(32)と導光シート(28)を備える、放射状に配置された少なくとも4個の装置を備え、これにより環状の光ビームを生成させることを特徴とする請求項15に記載の自動車用照明及び/又は信号モジュール。
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FR0604341A FR2901345B1 (fr) | 2006-05-16 | 2006-05-16 | Dispositif d'eclairage et/ou de signalisation pour vehicule automobile. |
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Also Published As
Publication number | Publication date |
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FR2901345B1 (fr) | 2008-07-18 |
FR2901345A1 (fr) | 2007-11-23 |
US7661860B2 (en) | 2010-02-16 |
EP1857732B1 (fr) | 2009-09-02 |
DE602007002219D1 (de) | 2009-10-15 |
ES2330969T3 (es) | 2009-12-17 |
EP1857732A1 (fr) | 2007-11-21 |
US20070268715A1 (en) | 2007-11-22 |
JP5248808B2 (ja) | 2013-07-31 |
ATE441815T1 (de) | 2009-09-15 |
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