JP2009259667A - 車両用灯具 - Google Patents
車両用灯具 Download PDFInfo
- Publication number
- JP2009259667A JP2009259667A JP2008108563A JP2008108563A JP2009259667A JP 2009259667 A JP2009259667 A JP 2009259667A JP 2008108563 A JP2008108563 A JP 2008108563A JP 2008108563 A JP2008108563 A JP 2008108563A JP 2009259667 A JP2009259667 A JP 2009259667A
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- JP
- Japan
- Prior art keywords
- reflector
- projection lens
- lens
- focal point
- light
- 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.)
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Classifications
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- 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
- F21S41/60—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by a variable light distribution
- F21S41/67—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by a variable light distribution by acting on reflectors
- F21S41/675—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by a variable light distribution by acting on reflectors by moving reflectors
-
- 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
- F21S41/20—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
- F21S41/30—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
- F21S41/36—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
- 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
- F21S41/40—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by screens, non-reflecting members, light-shielding members or fixed shades
- F21S41/43—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by screens, non-reflecting members, light-shielding members or fixed shades characterised by the shape thereof
-
- 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
- F21S41/60—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by a variable light distribution
Abstract
【解決手段】駆動手段19により平面リフレクタ12を所定方向に所定量移動することにより、平面リフレクタ12で反射されて投影レンズ14に向かう反射光路L1,L2が変化し、投影レンズ14から灯具前方に投射される配光パターンの配光方向が変化される。この結果、平面リフレクタ12の可変制御により、ヘッドランプにあっては、すれ違い用配光パターンと、走行用配光パターンとの複数の配光パターンが得られる。
【選択図】図1
Description
10 半導体型光源
11 凹面リフレクタ
11a 反射面
F1 第1焦点
F2 第2焦点
12 平面リフレクタ
12a 反射面
14 投影レンズ
Z1 レンズ光軸
19 駆動手段
20 回転軸
Claims (4)
- 光源として半導体型光源を使用するプロジェクタタイプの車両用灯具において、
凹型の反射面を有し、第1焦点と第2焦点とを結ぶ直線が投影レンズのレンズ光軸と略直交し、前記半導体型光源からの光を反射する凹面リフレクタと、
発光部が凹面リフレクタの第1焦点に位置するように配置された前記半導体型光源と、
前記凹面リフレクタからの反射光を反射させる平面状の反射面を有する平面リフレクタと、
レンズ光軸が略水平をなし、前記平面リフレクタにより反射された光を灯具前方に向けて投射する前記投影レンズと、を備え、
前記平面リフレクタは、前記投影レンズと該投影レンズのレンズ焦点との間にレンズ光軸と交差して配設され、かつ、駆動手段により可動構造とされて、前記投影レンズに対する反射光路が可変とされていることを特徴とする車両用灯具。 - 前記平面リフレクタは、投影レンズのレンズ光軸方向または凹面リフレクタの第1焦点と第2焦点とを結ぶ直線方向に平行移動されることを特徴とする請求項1に記載の車両用灯具。
- 前記平面リフレクタは、回転軸を中心に回転移動されることを特徴とする請求項1に記載の車両用灯具。
- 前記回転軸は、投影レンズのレンズ光軸上に配設されていることを特徴とする請求項3に記載の車両用灯具。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2008108563A JP4895224B2 (ja) | 2008-04-18 | 2008-04-18 | 車両用灯具 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2008108563A JP4895224B2 (ja) | 2008-04-18 | 2008-04-18 | 車両用灯具 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2009259667A true JP2009259667A (ja) | 2009-11-05 |
JP4895224B2 JP4895224B2 (ja) | 2012-03-14 |
Family
ID=41386833
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2008108563A Expired - Fee Related JP4895224B2 (ja) | 2008-04-18 | 2008-04-18 | 車両用灯具 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JP4895224B2 (ja) |
Cited By (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2011181314A (ja) * | 2010-03-01 | 2011-09-15 | Ichikoh Ind Ltd | 車両用灯具 |
JP2011249184A (ja) * | 2010-05-28 | 2011-12-08 | Koito Mfg Co Ltd | 車両用前照灯 |
CN102798067A (zh) * | 2011-03-23 | 2012-11-28 | 株式会社小糸制作所 | 车辆用照明灯具 |
KR101220063B1 (ko) * | 2010-11-19 | 2013-01-08 | 주식회사 에스엘라이팅 | 차량의 지능형 헤드 램프 어셈블리 |
JP2013020709A (ja) * | 2011-07-07 | 2013-01-31 | Koito Mfg Co Ltd | 車輌用前照灯 |
EP2522897A3 (en) * | 2011-05-10 | 2015-05-06 | Koito Manufacturing Co., Ltd. | Vehicle headlamp |
WO2017220394A1 (en) * | 2016-06-22 | 2017-12-28 | Lumileds Holding B.V. | A vehicle headlight assembly and a corresponding lamp |
JP2019133799A (ja) * | 2018-01-30 | 2019-08-08 | 日亜化学工業株式会社 | 照明装置 |
CN112013350A (zh) * | 2019-05-29 | 2020-12-01 | 株式会社小糸制作所 | 车辆用灯具 |
WO2020241263A1 (ja) * | 2019-05-29 | 2020-12-03 | 株式会社小糸製作所 | 車両用灯具 |
US20220107070A1 (en) * | 2019-11-13 | 2022-04-07 | Hasco Vision Technology Co., Ltd. | Reflection-type headlamp module, headlamp module, headlamp and vehicle |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH04118504U (ja) * | 1991-04-03 | 1992-10-23 | スタンレー電気株式会社 | プロジエクタ型前照灯 |
JP2006079943A (ja) * | 2004-09-09 | 2006-03-23 | Koito Mfg Co Ltd | 車両用前照灯 |
JP2006078843A (ja) * | 2004-09-10 | 2006-03-23 | Fuji Photo Film Co Ltd | 液体レンズ、レンズユニット、および撮像装置 |
JP2007311141A (ja) * | 2006-05-17 | 2007-11-29 | Ichikoh Ind Ltd | 車両用灯具 |
JP2008066190A (ja) * | 2006-09-08 | 2008-03-21 | Stanley Electric Co Ltd | 可変配光ヘッドライト |
-
2008
- 2008-04-18 JP JP2008108563A patent/JP4895224B2/ja not_active Expired - Fee Related
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH04118504U (ja) * | 1991-04-03 | 1992-10-23 | スタンレー電気株式会社 | プロジエクタ型前照灯 |
JP2006079943A (ja) * | 2004-09-09 | 2006-03-23 | Koito Mfg Co Ltd | 車両用前照灯 |
JP2006078843A (ja) * | 2004-09-10 | 2006-03-23 | Fuji Photo Film Co Ltd | 液体レンズ、レンズユニット、および撮像装置 |
JP2007311141A (ja) * | 2006-05-17 | 2007-11-29 | Ichikoh Ind Ltd | 車両用灯具 |
JP2008066190A (ja) * | 2006-09-08 | 2008-03-21 | Stanley Electric Co Ltd | 可変配光ヘッドライト |
Cited By (21)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2011181314A (ja) * | 2010-03-01 | 2011-09-15 | Ichikoh Ind Ltd | 車両用灯具 |
US8632233B2 (en) | 2010-03-01 | 2014-01-21 | Ichikoh Industries, Ltd. | Vehicle lighting device with heat sink member and shade |
EP2366938B1 (en) * | 2010-03-01 | 2017-06-21 | Ichiko Industries, Ltd. | Vehicle lighting device |
JP2011249184A (ja) * | 2010-05-28 | 2011-12-08 | Koito Mfg Co Ltd | 車両用前照灯 |
KR101220063B1 (ko) * | 2010-11-19 | 2013-01-08 | 주식회사 에스엘라이팅 | 차량의 지능형 헤드 램프 어셈블리 |
US8602618B2 (en) | 2010-11-19 | 2013-12-10 | Hyundai Motor Company | Intelligent head lamp assembly for vehicle |
CN102798067A (zh) * | 2011-03-23 | 2012-11-28 | 株式会社小糸制作所 | 车辆用照明灯具 |
EP2522897A3 (en) * | 2011-05-10 | 2015-05-06 | Koito Manufacturing Co., Ltd. | Vehicle headlamp |
JP2013020709A (ja) * | 2011-07-07 | 2013-01-31 | Koito Mfg Co Ltd | 車輌用前照灯 |
CN109416158A (zh) * | 2016-06-22 | 2019-03-01 | 亮锐控股有限公司 | 车辆前灯组件和相应的灯 |
WO2017220394A1 (en) * | 2016-06-22 | 2017-12-28 | Lumileds Holding B.V. | A vehicle headlight assembly and a corresponding lamp |
US20190242544A1 (en) * | 2016-06-22 | 2019-08-08 | Lumileds Llc | A vehicle headlight assembly and a corresponding lamp |
US10775014B2 (en) | 2016-06-22 | 2020-09-15 | Lumileds Llc | Vehicle headlight assembly and a corresponding lamp |
JP2019133799A (ja) * | 2018-01-30 | 2019-08-08 | 日亜化学工業株式会社 | 照明装置 |
JP7047240B2 (ja) | 2018-01-30 | 2022-04-05 | 日亜化学工業株式会社 | 照明装置 |
CN112013350A (zh) * | 2019-05-29 | 2020-12-01 | 株式会社小糸制作所 | 车辆用灯具 |
JP2020194722A (ja) * | 2019-05-29 | 2020-12-03 | 株式会社小糸製作所 | 車両用灯具 |
WO2020241263A1 (ja) * | 2019-05-29 | 2020-12-03 | 株式会社小糸製作所 | 車両用灯具 |
JP7273277B2 (ja) | 2019-05-29 | 2023-05-15 | 株式会社小糸製作所 | 車両用灯具 |
US20220107070A1 (en) * | 2019-11-13 | 2022-04-07 | Hasco Vision Technology Co., Ltd. | Reflection-type headlamp module, headlamp module, headlamp and vehicle |
US11841121B2 (en) * | 2019-11-13 | 2023-12-12 | Hasco Vision Technology Co., Ltd. | Reflection-type headlamp module, headlamp module, headlamp and vehicle |
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