JP2011113732A - 車両用前照灯 - Google Patents
車両用前照灯 Download PDFInfo
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- JP2011113732A JP2011113732A JP2009267625A JP2009267625A JP2011113732A JP 2011113732 A JP2011113732 A JP 2011113732A JP 2009267625 A JP2009267625 A JP 2009267625A JP 2009267625 A JP2009267625 A JP 2009267625A JP 2011113732 A JP2011113732 A JP 2011113732A
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- reflecting surface
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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
- F21S41/68—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by a variable light distribution by acting on screens
- F21S41/683—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by a variable light distribution by acting on screens by moving screens
- F21S41/689—Flaps, i.e. screens pivoting around one of their edges
-
- 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
-
- 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
-
- 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
- F21S41/30—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
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Optics & Photonics (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
- Led Device Packages (AREA)
Abstract
【解決手段】走行ビームとすれ違いビームとを切り替え可能な車両用前照灯において、光源と、前記光源から放射された光線が透過し当該透過した光線がすれ違いビーム用配光パターンを形成するように構成されたレンズと、前記光源とレンズとの間に配置され、走行ビーム時に、前記光源から放射され前記レンズに向かう光線を遮光し当該光線を予め定められた方向に反射する遮光位置に位置し、すれ違いビーム時に、前記光源から前記レンズに向かう光線を通過させる開放位置に位置する第1反射面と、前記第1反射面の反射方向に配置され、前記第1反射面からの反射光線を反射し当該反射光線が走行ビーム用配光パターンを形成するように構成された第2反射面と、を備えることを特徴とする。
【選択図】 図1
Description
Claims (3)
- 走行ビームとすれ違いビームとを切り替え可能な車両用前照灯において、
光源と、
前記光源から放射された光線が透過し当該透過した光線がすれ違いビーム用配光パターンを形成するように構成されたレンズと、
前記光源とレンズとの間に配置され、走行ビーム時に、前記光源から放射され前記レンズに向かう光線を遮光し当該光線を予め定められた方向に反射する遮光位置に位置し、すれ違いビーム時に、前記光源から前記レンズに向かう光線を通過させる開放位置に位置する第1反射面と、
前記第1反射面の反射方向に配置され、前記第1反射面からの反射光線を反射し当該反射光線が走行ビーム用配光パターンを形成するように構成された第2反射面と、
を備えることを特徴とする車両用前照灯。 - 前記第1反射面は、第1上反射面、第1下反射面を含んでおり、
前記第1上反射面は、前記光源の光軸に対し上側に配置され、上端縁側の上回転軸を中心に回転し、前記遮光位置又は前記開放位置のいずれかに位置し、
前記第1下反射面は、前記光源の光軸に対し下側に配置され、下端縁側の下回転軸を中心に回転し、前記遮光位置又は前記開放位置のいずれかに位置し、
前記第1上反射面、前記第1下反射面はそれぞれ、前記遮光位置に位置した場合に、前記光源の光軸に対して所定角度傾斜した姿勢かつ前記第1上反射面の下端縁と前記第1下反射面の上端縁とが当接することで閉じた状態となり、一方、前記開放位置に位置した場合に、前記第1上反射面の下端縁と前記第1下反射面の上端縁との間に前記光源から前記レンズに向かう光線を通過させるためのスペースを形成することで開いた状態となることを特徴とする請求項1に記載の車両用前照灯。 - 前記第1反射面は、平面の反射面又は回転楕円系の反射面であることを特徴とする請求項1又は2に記載の車両用前照灯。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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JP2009267625A JP5401750B2 (ja) | 2009-11-25 | 2009-11-25 | 車両用前照灯 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2009267625A JP5401750B2 (ja) | 2009-11-25 | 2009-11-25 | 車両用前照灯 |
Publications (2)
Publication Number | Publication Date |
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JP2011113732A true JP2011113732A (ja) | 2011-06-09 |
JP5401750B2 JP5401750B2 (ja) | 2014-01-29 |
Family
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Application Number | Title | Priority Date | Filing Date |
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JP2009267625A Expired - Fee Related JP5401750B2 (ja) | 2009-11-25 | 2009-11-25 | 車両用前照灯 |
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JP (1) | JP5401750B2 (ja) |
Cited By (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2013020831A (ja) * | 2011-07-12 | 2013-01-31 | Koito Mfg Co Ltd | 車輌用前照灯 |
EP2610545A2 (en) | 2011-12-27 | 2013-07-03 | Ichikoh Industries, Ltd. | Vehicle headlamp |
EP2610547A2 (en) | 2011-12-27 | 2013-07-03 | Ichikoh Industries, Ltd. | Vehicle headlamp |
EP2543927A3 (en) * | 2011-07-07 | 2014-08-06 | Koito Manufacturing Co., Ltd. | Vehicle headlamp |
WO2014185510A1 (ja) | 2013-05-17 | 2014-11-20 | 市光工業株式会社 | 車両用前照灯 |
JP2014229341A (ja) * | 2013-05-17 | 2014-12-08 | 市光工業株式会社 | 車両用前照灯 |
JP2014229354A (ja) * | 2013-05-17 | 2014-12-08 | 市光工業株式会社 | 車両用前照灯 |
JP2014229342A (ja) * | 2013-05-17 | 2014-12-08 | 市光工業株式会社 | 車両用前照灯 |
JP2014229340A (ja) * | 2013-05-17 | 2014-12-08 | 市光工業株式会社 | 車両用前照灯 |
EP2610546A3 (en) * | 2011-12-27 | 2017-11-15 | Ichikoh Industries, Ltd. | Vehicle headlamp |
EP2610548A3 (en) * | 2011-12-27 | 2017-11-15 | Ichikoh Industries, Ltd. | Vehicle headlamp |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH01244934A (ja) * | 1988-03-28 | 1989-09-29 | Nissan Motor Co Ltd | 車両用前照灯装置 |
JPH02123003U (ja) * | 1989-03-23 | 1990-10-09 | ||
JPH0371501A (ja) * | 1989-08-09 | 1991-03-27 | Nissan Motor Co Ltd | 自動車用可変色ヘッドランプ |
JP2000353412A (ja) * | 1999-06-09 | 2000-12-19 | Ichikoh Ind Ltd | ヘッドランプ |
JP2003100121A (ja) * | 2001-07-26 | 2003-04-04 | Valeo Vision | 横向きの旋回軸を有するマスクを備える楕円型のヘッドランプ |
JP2007258000A (ja) * | 2006-03-23 | 2007-10-04 | Stanley Electric Co Ltd | 車両前照灯 |
JP2007335301A (ja) * | 2006-06-16 | 2007-12-27 | Koito Mfg Co Ltd | 車両用前照灯の灯具ユニット |
-
2009
- 2009-11-25 JP JP2009267625A patent/JP5401750B2/ja not_active Expired - Fee Related
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH01244934A (ja) * | 1988-03-28 | 1989-09-29 | Nissan Motor Co Ltd | 車両用前照灯装置 |
JPH02123003U (ja) * | 1989-03-23 | 1990-10-09 | ||
JPH0371501A (ja) * | 1989-08-09 | 1991-03-27 | Nissan Motor Co Ltd | 自動車用可変色ヘッドランプ |
JP2000353412A (ja) * | 1999-06-09 | 2000-12-19 | Ichikoh Ind Ltd | ヘッドランプ |
JP2003100121A (ja) * | 2001-07-26 | 2003-04-04 | Valeo Vision | 横向きの旋回軸を有するマスクを備える楕円型のヘッドランプ |
JP2007258000A (ja) * | 2006-03-23 | 2007-10-04 | Stanley Electric Co Ltd | 車両前照灯 |
JP2007335301A (ja) * | 2006-06-16 | 2007-12-27 | Koito Mfg Co Ltd | 車両用前照灯の灯具ユニット |
Cited By (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2543927A3 (en) * | 2011-07-07 | 2014-08-06 | Koito Manufacturing Co., Ltd. | Vehicle headlamp |
JP2013020831A (ja) * | 2011-07-12 | 2013-01-31 | Koito Mfg Co Ltd | 車輌用前照灯 |
US9150144B2 (en) | 2011-12-27 | 2015-10-06 | Ichikoh Industries, Ltd. | Vehicle headlamp |
EP2610545A2 (en) | 2011-12-27 | 2013-07-03 | Ichikoh Industries, Ltd. | Vehicle headlamp |
EP2610547A2 (en) | 2011-12-27 | 2013-07-03 | Ichikoh Industries, Ltd. | Vehicle headlamp |
EP2610547A3 (en) * | 2011-12-27 | 2017-11-15 | Ichikoh Industries, Ltd. | Vehicle headlamp |
EP2610545A3 (en) * | 2011-12-27 | 2017-11-15 | Ichikoh Industries, Ltd. | Vehicle headlamp |
EP2610548A3 (en) * | 2011-12-27 | 2017-11-15 | Ichikoh Industries, Ltd. | Vehicle headlamp |
EP2610546A3 (en) * | 2011-12-27 | 2017-11-15 | Ichikoh Industries, Ltd. | Vehicle headlamp |
US9033562B2 (en) | 2011-12-27 | 2015-05-19 | Ichikoh Industries, Ltd. | Vehicle headlamp |
WO2014185510A1 (ja) | 2013-05-17 | 2014-11-20 | 市光工業株式会社 | 車両用前照灯 |
CN105229371A (zh) * | 2013-05-17 | 2016-01-06 | 市光工业株式会社 | 车辆用前照灯 |
JP2014229340A (ja) * | 2013-05-17 | 2014-12-08 | 市光工業株式会社 | 車両用前照灯 |
JP2014229342A (ja) * | 2013-05-17 | 2014-12-08 | 市光工業株式会社 | 車両用前照灯 |
JP2014229354A (ja) * | 2013-05-17 | 2014-12-08 | 市光工業株式会社 | 車両用前照灯 |
JP2014229341A (ja) * | 2013-05-17 | 2014-12-08 | 市光工業株式会社 | 車両用前照灯 |
US9939122B2 (en) | 2013-05-17 | 2018-04-10 | Ichikoh Industries, Ltd. | Vehicle headlamp |
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