JP6008637B2 - 車両用前照灯 - Google Patents
車両用前照灯 Download PDFInfo
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- JP6008637B2 JP6008637B2 JP2012164732A JP2012164732A JP6008637B2 JP 6008637 B2 JP6008637 B2 JP 6008637B2 JP 2012164732 A JP2012164732 A JP 2012164732A JP 2012164732 A JP2012164732 A JP 2012164732A JP 6008637 B2 JP6008637 B2 JP 6008637B2
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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
- F21S41/10—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
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60Q—ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
- B60Q1/00—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor
- B60Q1/02—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to illuminate the way ahead or to illuminate other areas of way or environments
- B60Q1/04—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to illuminate the way ahead or to illuminate other areas of way or environments the devices being headlights
- B60Q1/06—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to illuminate the way ahead or to illuminate other areas of way or environments the devices being headlights adjustable, e.g. remotely-controlled from inside vehicle
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60Q—ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
- B60Q1/00—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor
- B60Q1/02—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to illuminate the way ahead or to illuminate other areas of way or environments
- B60Q1/04—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to illuminate the way ahead or to illuminate other areas of way or environments the devices being headlights
- B60Q1/14—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to illuminate the way ahead or to illuminate other areas of way or environments the devices being headlights having dimming means
- B60Q1/1415—Dimming circuits
- B60Q1/1423—Automatic dimming circuits, i.e. switching between high beam and low beam due to change of ambient light or light level in road traffic
- B60Q1/143—Automatic dimming circuits, i.e. switching between high beam and low beam due to change of ambient light or light level in road traffic combined with another condition, e.g. using vehicle recognition from camera images or activation of wipers
-
- 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]
- F21S41/151—Light emitting diodes [LED] arranged in one or more lines
-
- 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]
- F21S41/151—Light emitting diodes [LED] arranged in one or more lines
- F21S41/153—Light emitting diodes [LED] arranged in one or more lines arranged in a matrix
-
- 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
- F21S41/65—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by a variable light distribution by acting on light sources
- F21S41/663—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by a variable light distribution by acting on light sources by switching light sources
-
- 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
- F21S41/698—Shaft-shaped screens rotating along its longitudinal axis
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60Q—ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
- B60Q1/00—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor
- B60Q1/02—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to illuminate the way ahead or to illuminate other areas of way or environments
- B60Q1/04—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to illuminate the way ahead or to illuminate other areas of way or environments the devices being headlights
- B60Q1/14—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to illuminate the way ahead or to illuminate other areas of way or environments the devices being headlights having dimming means
- B60Q1/1415—Dimming circuits
- B60Q1/1423—Automatic dimming circuits, i.e. switching between high beam and low beam due to change of ambient light or light level in road traffic
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60Q—ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
- B60Q2300/00—Indexing codes for automatically adjustable headlamps or automatically dimmable headlamps
- B60Q2300/05—Special features for controlling or switching of the light beam
- B60Q2300/056—Special anti-blinding beams, e.g. a standard beam is chopped or moved in order not to blind
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60Q—ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
- B60Q2300/00—Indexing codes for automatically adjustable headlamps or automatically dimmable headlamps
- B60Q2300/30—Indexing codes relating to the vehicle environment
- B60Q2300/32—Road surface or travel path
- B60Q2300/322—Road curvature
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60Q—ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
- B60Q2300/00—Indexing codes for automatically adjustable headlamps or automatically dimmable headlamps
- B60Q2300/40—Indexing codes relating to other road users or special conditions
- B60Q2300/41—Indexing codes relating to other road users or special conditions preceding vehicle
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60Q—ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
- B60Q2300/00—Indexing codes for automatically adjustable headlamps or automatically dimmable headlamps
- B60Q2300/40—Indexing codes relating to other road users or special conditions
- B60Q2300/42—Indexing codes relating to other road users or special conditions oncoming vehicle
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60Q—ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
- B60Q2300/00—Indexing codes for automatically adjustable headlamps or automatically dimmable headlamps
- B60Q2300/40—Indexing codes relating to other road users or special conditions
- B60Q2300/45—Special conditions, e.g. pedestrians, road signs or potential dangers
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Optics & Photonics (AREA)
- Mechanical Engineering (AREA)
- Mathematical Physics (AREA)
- Lighting Device Outwards From Vehicle And Optical Signal (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
Description
図1は、本発明の一実施形態に係る車両用前照灯10の概略正面図である。車両用前照灯10は、車体の前部に配置される左側灯具10Lと右側灯具10Rとを有する。左側灯具10Lは、LEDアレイ方式の灯具ユニット(以下「第1灯具ユニット」とも呼ぶ)20と、ハイ/ロー切替灯具ユニット60Lとを有する。右側灯具10Rは、水平方向のカットオフラインを機械的に変更可能に構成されたメカ切替方式の灯具ユニット(以下「第2灯具ユニット」とも呼ぶ)30と、ハイ/ロー切替灯具ユニット60Rとを有する。このように、本実施形態では、左側灯具10Lと右側灯具10Rとでそれぞれ異なる種類の灯具ユニットが設けられる。
図10は、本発明の別の実施形態に係る車両用前照灯210の概略正面図である。車両用前照灯210は、車体の前部に配置される左側灯具210Lと右側灯具210Rとを有する。左側灯具210Lは、LEDアレイ方式の第1灯具ユニット220Lと、メカ切替方式の第2灯具ユニット230Lとを有する。右側灯具210Rは、LEDアレイ方式の第1灯具ユニット220Rと、メカ切替方式の第2灯具ユニット230Rとを有する。このように、本実施形態では、実施の形態1と異なり、左側灯具210Lと右側灯具210Rとに同一の灯具ユニットが設けられる。
Claims (7)
- 水平方向に照射範囲を変更可能である第1灯具ユニットと、
上下方向に照射範囲を変更可能である第2灯具ユニットと、を備え、
前記第1灯具ユニットは、ロービーム用配光パターンの水平カットオフラインから上方の領域を水平方向に分割した照射範囲をそれぞれ有する、個別点灯可能に構成された複数の発光素子からなり、
前記第2灯具ユニットは、アクチュエータの駆動により前記水平カットオフラインの高さを変更可能に構成され、
当該車両用前照灯は、前記第1灯具ユニットの点消灯および第2灯具ユニットのアクチュエータの駆動を制御する制御部をさらに備えることを特徴とする車両用前照灯。 - 前記第2灯具ユニットの照射範囲の分解能が、前記第1灯具ユニットの照射範囲の分解能よりも大きい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灯具ユニットは、車体前部の左右いずれか一方の側に配置され、
前記第2灯具ユニットは、車体前部の他方の側に配置されるとともに、シェードを動かして、ロービーム用配光パターンの水平カットオフラインの上下方向位置が異なる複数の配光パターンを形成可能であることを特徴とする請求項1または2に記載の車両用前照灯。 - 前記制御部は、車両前方の車両または歩行者の位置、あるいは走行中の道路の曲率に応じて、前記第1灯具ユニットの複数の発光素子のうち点灯すべき発光素子と、前記第2灯具ユニットで形成されるロービーム用配光パターンの水平カットオフラインの上下方向位置を決定することを特徴とする請求項3に記載の車両用前照灯。
- 前記第1および第2灯具ユニットが車体前部の左右の側にそれぞれ設置され、
車体の右側に配置された第1灯具ユニットの複数の発光素子による照射範囲と、車体の左側に配置された第1灯具ユニットの複数の発光素子による照射範囲が、仮想スクリーン上で垂直線を挟み両側にそれぞれ位置するように構成され、
前記第2灯具ユニットは、ロービーム用配光パターンとハイビーム用配光パターンを形成可能であることを特徴とする請求項1または2に記載の車両用前照灯。 - 前記発光素子の個々の照射範囲が、仮想スクリーン上で垂直線から外側に向かうにつれて拡大するように構成されることを特徴とする請求項5に記載の車両用前照灯。
- 前記制御部は、車両前方の車両または歩行者の位置、あるいは走行中の道路の曲率に応じて、前記複数の発光素子のうち、点灯すべき発光素子または照度を高めるべき発光素子を決定することを特徴とする請求項6に記載の車両用前照灯。
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2012164732A JP6008637B2 (ja) | 2012-07-25 | 2012-07-25 | 車両用前照灯 |
CN201310303064.4A CN103574460B (zh) | 2012-07-25 | 2013-07-18 | 车辆用前照灯 |
EP13177556.1A EP2690351A3 (en) | 2012-07-25 | 2013-07-23 | Vehicle headlamp |
US13/949,646 US9358918B2 (en) | 2012-07-25 | 2013-07-24 | Vehicle headlamp |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2012164732A JP6008637B2 (ja) | 2012-07-25 | 2012-07-25 | 車両用前照灯 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2014024399A JP2014024399A (ja) | 2014-02-06 |
JP6008637B2 true JP6008637B2 (ja) | 2016-10-19 |
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2012164732A Expired - Fee Related JP6008637B2 (ja) | 2012-07-25 | 2012-07-25 | 車両用前照灯 |
Country Status (4)
Country | Link |
---|---|
US (1) | US9358918B2 (ja) |
EP (1) | EP2690351A3 (ja) |
JP (1) | JP6008637B2 (ja) |
CN (1) | CN103574460B (ja) |
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JP4663548B2 (ja) * | 2006-02-24 | 2011-04-06 | 株式会社小糸製作所 | 車両用前照灯の灯具ユニット |
JP4708285B2 (ja) * | 2006-08-04 | 2011-06-22 | トヨタ自動車株式会社 | 車両用ヘッドランプ |
JP4688220B2 (ja) * | 2006-10-10 | 2011-05-25 | 株式会社小糸製作所 | 車輌用灯具 |
JP5226985B2 (ja) * | 2007-08-22 | 2013-07-03 | 株式会社小糸製作所 | 車輌用前照灯 |
ES2367875T3 (es) * | 2007-09-24 | 2011-11-10 | HELLA KGAA HUECK & CO. | Disposición de faros de proyección para vehículos. |
JP4995748B2 (ja) * | 2008-01-29 | 2012-08-08 | 株式会社小糸製作所 | 車両用前照灯装置及び車両用前照灯装置の制御方法 |
JP2009179113A (ja) * | 2008-01-29 | 2009-08-13 | Koito Mfg Co Ltd | 車両用前照灯装置およびその制御方法 |
JP5255301B2 (ja) * | 2008-03-12 | 2013-08-07 | 株式会社小糸製作所 | 車両用前照灯装置 |
JP2009301763A (ja) * | 2008-06-11 | 2009-12-24 | Koito Mfg Co Ltd | 車輌用前照灯 |
JP5341465B2 (ja) * | 2008-10-20 | 2013-11-13 | スタンレー電気株式会社 | 車両用前照灯 |
JP5424742B2 (ja) * | 2009-06-30 | 2014-02-26 | 株式会社小糸製作所 | 車両用前照灯装置 |
JP5398443B2 (ja) * | 2009-09-15 | 2014-01-29 | 株式会社小糸製作所 | 車両用前照灯装置 |
KR101398225B1 (ko) * | 2012-12-27 | 2014-05-23 | 현대모비스 주식회사 | 차량용 헤드 램프 |
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JP2014024399A (ja) | 2014-02-06 |
US9358918B2 (en) | 2016-06-07 |
EP2690351A2 (en) | 2014-01-29 |
EP2690351A3 (en) | 2018-03-07 |
US20140029289A1 (en) | 2014-01-30 |
CN103574460B (zh) | 2017-04-26 |
CN103574460A (zh) | 2014-02-12 |
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