JP2006147448A - 車両用照明灯具 - Google Patents
車両用照明灯具 Download PDFInfo
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- JP2006147448A JP2006147448A JP2004338663A JP2004338663A JP2006147448A JP 2006147448 A JP2006147448 A JP 2006147448A JP 2004338663 A JP2004338663 A JP 2004338663A JP 2004338663 A JP2004338663 A JP 2004338663A JP 2006147448 A JP2006147448 A JP 2006147448A
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B19/00—Condensers, e.g. light collectors or similar non-imaging optics
- G02B19/0033—Condensers, e.g. light collectors or similar non-imaging optics characterised by the use
- G02B19/0047—Condensers, e.g. light collectors or similar non-imaging optics characterised by the use for use with a light source
- G02B19/0061—Condensers, e.g. light collectors or similar non-imaging optics characterised by the use for use with a light source the light source comprising a LED
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21K—NON-ELECTRIC LIGHT SOURCES USING LUMINESCENCE; LIGHT SOURCES USING ELECTROCHEMILUMINESCENCE; LIGHT SOURCES USING CHARGES OF COMBUSTIBLE MATERIAL; LIGHT SOURCES USING SEMICONDUCTOR DEVICES AS LIGHT-GENERATING ELEMENTS; LIGHT SOURCES NOT OTHERWISE PROVIDED FOR
- F21K9/00—Light sources using semiconductor devices as light-generating elements, e.g. using light-emitting diodes [LED] or lasers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S41/00—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps
- F21S41/10—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by the light source
- F21S41/14—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by the light source characterised by the type of light source
- F21S41/141—Light emitting diodes [LED]
- F21S41/143—Light emitting diodes [LED] the main emission direction of the LED being parallel to the optical axis of the illuminating device
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S41/00—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps
- F21S41/10—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by the light source
- F21S41/14—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by the light source characterised by the type of light source
- F21S41/141—Light emitting diodes [LED]
- F21S41/155—Surface emitters, e.g. organic light emitting diodes [OLED]
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S41/00—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps
- F21S41/20—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by refractors, transparent cover plates, light guides or filters
- F21S41/24—Light guides
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S41/00—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps
- F21S41/20—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by refractors, transparent cover plates, light guides or filters
- F21S41/25—Projection lenses
- F21S41/255—Lenses with a front view of circular or truncated circular outline
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S41/00—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps
- F21S41/20—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by refractors, transparent cover plates, light guides or filters
- F21S41/285—Refractors, transparent cover plates, light guides or filters not provided in groups F21S41/24-F21S41/28
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S41/00—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps
- F21S41/30—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by reflectors
- F21S41/32—Optical layout thereof
- F21S41/321—Optical layout thereof the reflector being a surface of revolution or a planar surface, e.g. truncated
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S41/00—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps
- F21S41/30—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by reflectors
- F21S41/32—Optical layout thereof
- F21S41/322—Optical layout thereof the reflector using total internal reflection
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S41/00—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps
- F21S41/30—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by reflectors
- F21S41/32—Optical layout thereof
- F21S41/36—Combinations of two or more separate reflectors
- F21S41/365—Combinations of two or more separate reflectors successively reflecting the light
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V7/00—Reflectors for light sources
- F21V7/0091—Reflectors for light sources using total internal reflection
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B17/00—Systems with reflecting surfaces, with or without refracting elements
- G02B17/08—Catadioptric systems
- G02B17/0856—Catadioptric systems comprising a refractive element with a reflective surface, the reflection taking place inside the element, e.g. Mangin mirrors
- G02B17/086—Catadioptric systems comprising a refractive element with a reflective surface, the reflection taking place inside the element, e.g. Mangin mirrors wherein the system is made of a single block of optical material, e.g. solid catadioptric systems
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B19/00—Condensers, e.g. light collectors or similar non-imaging optics
- G02B19/0004—Condensers, e.g. light collectors or similar non-imaging optics characterised by the optical means employed
- G02B19/0028—Condensers, e.g. light collectors or similar non-imaging optics characterised by the optical means employed refractive and reflective surfaces, e.g. non-imaging catadioptric systems
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
- F21Y2115/00—Light-generating elements of semiconductor light sources
- F21Y2115/10—Light-emitting diodes [LED]
Abstract
【解決手段】 灯具前後方向に延びる光軸Ax上に灯具前方へ向けて配置された発光素子12からの光を、第1リフレクタ16で灯具後方へ向けて反射させ、これを第2リフレクタ18で灯具前方へ向けて反射させる構成とする。その際、第1リフレクタ16の反射面16aとして、発光素子12近傍の点を第1焦点F1とするとともに該反射面16a近傍の点を第2焦点F2とする楕円Eを、光軸Axまわりに回転させることにより形成される略ドーム状の回転体形状を有する構成とし、その第2焦点F2の円環軌跡を跨ぐ帯状領域を透光部14Acとして構成する。これにより、第1リフレクタ16からの反射光を、光軸Axを含む各断面内において、第2焦点F2に一旦収束させた後、発散光として第2リフレクタ18に入射させ、その反射光制御を容易化する。
【選択図】 図3
Description
灯具前後方向に延びる光軸上に灯具前方へ向けて配置された発光素子と、この発光素子からの光を灯具後方へ向けて反射させる第1リフレクタと、この第1リフレクタで反射した上記発光素子からの光を灯具前方へ向けて反射させる第2リフレクタと、を備えてなる車両用照明灯具において、
上記第1リフレクタの反射面が、上記発光素子近傍の点を第1焦点とするとともに該反射面近傍の点を第2焦点とする楕円を、上記光軸まわりに回転させることにより形成される略ドーム状の回転体形状を有しており、
上記第1リフレクタにおいて、上記第2焦点を上記光軸まわりに回転させたときの円環軌跡を跨ぐ帯状領域が、透光部として構成されている、ことを特徴とするものである。
12、112 発光素子
14、114、214、314、414、614 透光ブロック
14A、214A、314A 中央ブロック
14Aa、14Ba、214Aa、314Aa、314Ba、414a、614Ba 前面
14Ab、14Bb 後面
14Ab1 凹部
14Ac、314Aa1、414a1、516c 透光部
14B、314B、614B 周縁ブロック
14Bb1 環状フランジ部
14Bc 内周面
16、516、716 第1リフレクタ
16a、18a、418a、516a、518a、716a、718a 反射面
18、418、518、718 第2リフレクタ
20 支持プレート
22 発光チップ
24 ベース部材
26 封止樹脂部材
214Aa1 直射光出射面
516b ピラー
614Bs 拡散レンズ素子
740 投影レンズ
Ax 光軸
E 楕円
F 後側焦点
F1 第1焦点
F2 第2焦点
HZ ホットゾーン
LF2 円環軌跡
PH ハイビーム用配光パターン
Pa、Pb、Pb0、Pb1、Pc、Pd、Pe、Pf 配光パターン
Claims (4)
- 灯具前後方向に延びる光軸上に灯具前方へ向けて配置された発光素子と、この発光素子からの光を灯具後方へ向けて反射させる第1リフレクタと、この第1リフレクタで反射した上記発光素子からの光を灯具前方へ向けて反射させる第2リフレクタと、を備えてなる車両用照明灯具において、
上記第1リフレクタの反射面が、上記発光素子近傍の点を第1焦点とするとともに該反射面近傍の点を第2焦点とする楕円を、上記光軸まわりに回転させることにより形成される略ドーム状の回転体形状を有しており、
上記第1リフレクタにおいて、上記第2焦点を上記光軸まわりに回転させたときの円環軌跡を跨ぐ帯状領域が、透光部として構成されている、ことを特徴とする車両用照明灯具。 - 上記第1リフレクタが、該第1リフレクタの表面における所定領域が反射面として構成された透光ブロックからなり、該透光ブロックに入射した上記発光素子からの光を上記反射面で内面反射させるように構成されている、ことを特徴とする請求項1記載の車両用照明灯具。
- 上記透光ブロックの表面において上記光軸を中心とする所定範囲の領域が、該透光ブロックに入射した上記発光素子からの光を該透光ブロックから灯具前方へ向けて直接出射させる直射光出射面として構成されている、ことを特徴とする請求項2記載の車両用照明灯具。
- 上記第2リフレクタが、上記第1リフレクタを構成する透光ブロックにより該第1リフレクタと一体で形成されており、
上記第2焦点の円環軌跡が、上記透光ブロック内に位置している、ことを特徴とする請求項2または3記載の車両用照明灯具。
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004338663A JP4393971B2 (ja) | 2004-11-24 | 2004-11-24 | 車両用照明灯具 |
DE102005054660A DE102005054660A1 (de) | 2004-11-24 | 2005-11-16 | Fahrzeug-Leuchtvorrichtung |
US11/282,679 US7416322B2 (en) | 2004-11-24 | 2005-11-21 | Vehicle lighting device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004338663A JP4393971B2 (ja) | 2004-11-24 | 2004-11-24 | 車両用照明灯具 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2006147448A true JP2006147448A (ja) | 2006-06-08 |
JP4393971B2 JP4393971B2 (ja) | 2010-01-06 |
Family
ID=36371566
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2004338663A Expired - Fee Related JP4393971B2 (ja) | 2004-11-24 | 2004-11-24 | 車両用照明灯具 |
Country Status (3)
Country | Link |
---|---|
US (1) | US7416322B2 (ja) |
JP (1) | JP4393971B2 (ja) |
DE (1) | DE102005054660A1 (ja) |
Cited By (13)
Publication number | Priority date | Publication date | Assignee | Title |
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JP2009064729A (ja) * | 2007-09-07 | 2009-03-26 | Stanley Electric Co Ltd | 車両用灯具ユニット |
JP2010153076A (ja) * | 2008-12-24 | 2010-07-08 | Koito Mfg Co Ltd | 車両用照明灯具 |
JP2011003459A (ja) * | 2009-06-19 | 2011-01-06 | Panasonic Corp | 照明用レンズ、発光装置、面光源および液晶ディスプレイ装置 |
JP2011003461A (ja) * | 2009-06-19 | 2011-01-06 | Panasonic Corp | 照明用レンズ、発光装置、面光源および液晶ディスプレイ装置 |
JP2011243400A (ja) * | 2010-05-18 | 2011-12-01 | Sharp Corp | リフレクタ・システム及びプロジェクタ |
JP2012099228A (ja) * | 2010-10-29 | 2012-05-24 | Koito Mfg Co Ltd | 車両用照明灯具 |
JP2013033647A (ja) * | 2011-08-02 | 2013-02-14 | Toki Corporation Kk | 発光装置および照明装置 |
US8469554B2 (en) | 2009-02-12 | 2013-06-25 | Panasonic Corporation | Illuminating lens, lighting device, surface light source, and liquid-crystal display apparatus |
US8508688B2 (en) | 2009-02-12 | 2013-08-13 | Panasonic Corporation | Illuminating lens, lighting device, surface light source, and liquid-crystal display apparatus |
US8558967B2 (en) | 2009-02-12 | 2013-10-15 | Panasonic Corporation | Illuminating lens, lighting device, surface light source, and liquid-crystal display apparatus |
US8576351B2 (en) | 2009-02-12 | 2013-11-05 | Panasonic Corporation | Illuminating lens, lighting device, surface light source, and liquid-crystal display apparatus |
US8582053B2 (en) | 2009-02-12 | 2013-11-12 | Panasonic Corporation | Illuminating lens, lighting device, surface light source, and liquid-crystal display apparatus |
JP2017521832A (ja) * | 2014-07-11 | 2017-08-03 | ヴァレオ ビジョンValeo Vision | 自動車用の照明モジュール |
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JP2008535199A (ja) * | 2005-04-05 | 2008-08-28 | アルセリック,ツールハン | 眩しくない長距離照明を提供するヘッドランプ |
US7942556B2 (en) * | 2007-06-18 | 2011-05-17 | Xicato, Inc. | Solid state illumination device |
DE102007053597A1 (de) * | 2007-11-09 | 2009-06-10 | Bausch & Lomb Inc. | Beleuchtungsvorrichtung, die eine erhöhte Strahldichte liefert |
US7967479B2 (en) * | 2008-03-21 | 2011-06-28 | GE Lighting Solutions, LLC | LED signal with lens for sun phantom effect reduction |
US20090273933A1 (en) * | 2008-04-30 | 2009-11-05 | Woodward Ronald O | Compact High Efficient Optic |
WO2010079397A1 (en) * | 2009-01-06 | 2010-07-15 | Koninklijke Philips Electronics N.V. | Led-based lamp |
US8535477B2 (en) * | 2009-02-21 | 2013-09-17 | Sofradim Production | Medical devices incorporating functional adhesives |
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DE102010014099A1 (de) * | 2010-04-07 | 2011-10-13 | Siteco Beleuchtungstechnik Gmbh | Leuchte mit Abdeckscheibe |
JP5518607B2 (ja) * | 2010-07-08 | 2014-06-11 | 株式会社小糸製作所 | 車両用照明灯具 |
JP5567435B2 (ja) * | 2010-09-06 | 2014-08-06 | 株式会社小糸製作所 | 車両用灯具 |
JP5657358B2 (ja) * | 2010-12-02 | 2015-01-21 | スタンレー電気株式会社 | 車両用灯具 |
US9464784B2 (en) * | 2012-02-03 | 2016-10-11 | GE Lighting Solutions, LLC | Optical system and lighting device comprised thereof |
JP5955110B2 (ja) * | 2012-06-05 | 2016-07-20 | 株式会社小糸製作所 | 車両用灯具 |
US9416937B2 (en) | 2012-06-06 | 2016-08-16 | Coast Cutlery Co. | Thin profile lens for flashlight |
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JP2015041448A (ja) * | 2013-08-21 | 2015-03-02 | 東芝ライテック株式会社 | 照明装置および移動体用照明装置 |
DE102013220218A1 (de) * | 2013-10-07 | 2015-04-09 | Osram Gmbh | Leuchte mit TIR-Reflektor |
FR3035228B1 (fr) * | 2015-04-14 | 2017-05-26 | Ayrton | Systeme optique |
CN105278165B (zh) * | 2015-11-27 | 2018-02-13 | 深圳市华星光电技术有限公司 | 背光模块及具有该背光模块的液晶显示器 |
AT519119B1 (de) | 2016-11-22 | 2018-04-15 | Zkw Group Gmbh | Beleuchtungseinrichtung eines kraftfahrzeugscheinwerfers |
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FR3118131A1 (fr) * | 2020-12-18 | 2022-06-24 | Valeo Vision | Dispositif d'éclairage d'un projecteur d’automobile |
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JP3810976B2 (ja) * | 2000-02-15 | 2006-08-16 | 株式会社小糸製作所 | 自動車用赤外光照射ランプ |
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JP2001283616A (ja) | 2000-04-03 | 2001-10-12 | Stanley Electric Co Ltd | 車両用灯具 |
EP1219887B1 (en) * | 2000-12-25 | 2006-09-27 | Stanley Electric Co., Ltd. | Vehicle light capable of changing light distribution pattern between low-beam mode and high-beam mode by a movable shade and a reflecting surface |
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2004
- 2004-11-24 JP JP2004338663A patent/JP4393971B2/ja not_active Expired - Fee Related
-
2005
- 2005-11-16 DE DE102005054660A patent/DE102005054660A1/de not_active Ceased
- 2005-11-21 US US11/282,679 patent/US7416322B2/en not_active Expired - Fee Related
Cited By (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2009064729A (ja) * | 2007-09-07 | 2009-03-26 | Stanley Electric Co Ltd | 車両用灯具ユニット |
JP2010153076A (ja) * | 2008-12-24 | 2010-07-08 | Koito Mfg Co Ltd | 車両用照明灯具 |
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JP4393971B2 (ja) | 2010-01-06 |
DE102005054660A1 (de) | 2006-06-01 |
US7416322B2 (en) | 2008-08-26 |
US20060109669A1 (en) | 2006-05-25 |
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