JP6360699B2 - ヘッドランプ - Google Patents
ヘッドランプ Download PDFInfo
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- JP6360699B2 JP6360699B2 JP2014061823A JP2014061823A JP6360699B2 JP 6360699 B2 JP6360699 B2 JP 6360699B2 JP 2014061823 A JP2014061823 A JP 2014061823A JP 2014061823 A JP2014061823 A JP 2014061823A JP 6360699 B2 JP6360699 B2 JP 6360699B2
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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
- F21S41/10—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
- F21S41/16—Laser light sources
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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
- B60Q1/076—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 by electrical means including means to transmit the movements, e.g. shafts or joints
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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
- B60Q1/08—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 automatically
-
- 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
- F21S41/176—Light sources where the light is generated by photoluminescent material spaced from a primary light generating element
-
- 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
- F21S41/33—Multi-surface reflectors, e.g. reflectors with facets or reflectors with portions of different curvature
- F21S41/334—Multi-surface reflectors, e.g. reflectors with facets or reflectors with portions of different curvature the reflector consisting of patch like sectors
- F21S41/336—Multi-surface reflectors, e.g. reflectors with facets or reflectors with portions of different curvature the reflector consisting of patch like sectors with discontinuity at the junction between adjacent areas
-
- 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
- F21S41/60—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
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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
- G02B19/0004—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
-
- 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
- G02B19/0052—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 laser diode
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B26/00—Optical devices or arrangements for the control of light using movable or deformable optical elements
- G02B26/08—Optical devices or arrangements for the control of light using movable or deformable optical elements for controlling the direction of light
- G02B26/10—Scanning systems
- G02B26/105—Scanning systems with one or more pivoting mirrors or galvano-mirrors
-
- 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
- B60Q1/08—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 automatically
- B60Q1/12—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 automatically due to steering position
- B60Q1/122—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 automatically due to steering position with electrical actuating means
-
- 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
-
- 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
- B60Q2300/10—Indexing codes relating to particular vehicle conditions
- B60Q2300/13—Attitude of the vehicle body
- B60Q2300/134—Yaw
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Optics & Photonics (AREA)
- General Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
- Lighting Device Outwards From Vehicle And Optical Signal (AREA)
Description
図1は、車両に装備されるヘッドランプ1のブロック図である。撮像装置2は、車両の前部に配備され、車両前方を所定の制御周期で撮影し、撮像信号を映像信号として出力する。撮像装置2は、典型的には赤外線カメラや可視光カメラであるが、レーダーであってもよい。映像信号入力部3は、撮像装置2からの映像信号を映像エンジンCPU4が処理可能な信号に変換して、映像エンジンCPU4に入力する。
図6は、自動車旋回時に使用する配光パターンの例を示している。図7は図6の配光パターンを得るための水平走査アクチュエータ24の圧電膜に供給する駆動電圧の波形を示している。駆動電圧の波形は、直進及び旋回に関係なく正弦波が使用される。
図8は分割走査光学系49の構成図である。分割走査光学系49において、分割走査光学系13の要素と同一の要素については、同符号で指示して、説明は省略し、分割走査光学系13との相違点について説明する。
図9は4分割走査光学系60の構成図である。(a)は、図4と同様に、光偏向器12の反射部22からの反射光Lbをそのまま、すなわち図9の4分割走査光学系60を通すことなく、蛍光板14の結像面33に照射したときの配光パターンを示している。(b)は、4分割走査光学系60が光偏向器12と蛍光板14との間に介在するときの蛍光板14の結像面33に生成される配光パターンを示している。
Claims (5)
- 光源と、
前記光源からの光を反射する反射部と、第1及び第2駆動電圧により駆動されて、前記反射部を直交する第1及び第2回転軸線の回りに往復回動させるアクチュエータ部とを有し、前記第1及び前記第2回転軸線の回りの前記反射部の回動により前記反射部からの反射光を、第1及び第2回動角範囲で往復回動させて出射する光偏向器と、
前記第1及び前記第2回動角範囲で前記光偏向器から出射されて来る反射光を、照射領域を水平方向及び垂直方向に走査する走査光として出射する光学系とを備え、
前記光学系は、
前記第1回動角範囲の反射光を、前記第1回動角範囲の一端角から中間角までの第1角度部分の反射光と、前記第1回動角範囲の前記中間角から他端角までの第2角度部分の反射光とに分割する分割部と、
前記第1角度部分の反射光において前記一端角に近い反射光ほど水平方向左側を進行させて、前記照射領域の水平方向の右側領域部分を走査する走査光として出射する右側走査光生成部と、
前記第2角度部分の反射光において前記他端角に近い反射光ほど水平方向右側を進行させて、前記照射領域の水平方向の左側領域部分を走査する走査光として出射する左側走査光生成部と、
菱形断面のプリズムとを有し、
前記プリズムにおける前記菱形断面の一方の半部は、前記光偏向器からの前記第1角度部分の反射光が入射して、入射した反射光を内部で屈折させてから前記右側領域部分へ向けて出射することにより、前記分割部と前記右側走査光生成部とを兼ねるものであり、
前記プリズムにおける前記菱形断面の他方の半部は、前記光偏向器からの前記第2角度部分の反射光が入射して、入射した反射光を内部で屈折させて前記左側領域部分へ向けて出射することにより、前記分割部と前記左側走査光生成部とを兼ねることを特徴とするヘッドランプ。 - 請求項1に記載のヘッドランプにおいて、
前記中間角は、前記第1回動角範囲の中心の回動角に設定されていることを特徴とするヘッドランプ。 - 請求項1又は2に記載のヘッドランプにおいて、
前記第1駆動電圧は正弦波であり、前記第1駆動電圧の中心電圧及び振幅を調整して前記アクチュエータ部に供給する駆動電圧供給部を備えることを特徴とするヘッドランプ。 - 請求項1〜3のいずれか1項に記載のヘッドランプにおいて、
前記光学系は、
前記第2回動角範囲の反射光を、前記第2回動角範囲の別の一端角から別の中間角までの第3角度部分の反射光と、前記第2回動角範囲の前記別の中間角から別の他端角までの第4角度部分の反射光とに分割する別の分割部と、
前記第3角度部分の反射光において前記別の一端角に近い反射光ほど垂直方向上側を進行させて、前記照射領域の垂直方向の下側領域部分を走査する走査光として出射する下側走査光生成部と、
前記第4角度部分の反射光において前記別の他端角に近い反射光ほど垂直方向下側を進行させて、前記照射領域の垂直方向の上側領域部分を走査する走査光として出射する上側走査光生成部とを有することを特徴とするヘッドランプ。 - 請求項4に記載のヘッドランプにおいて、
前記第2駆動電圧は正弦波又はのこぎり波であり、前記第2駆動電圧の中心電圧及び振幅を調整して前記アクチュエータ部に供給する別の駆動電圧供給部を備えることを特徴とするヘッドランプ。
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2014061823A JP6360699B2 (ja) | 2014-03-25 | 2014-03-25 | ヘッドランプ |
PCT/JP2015/053285 WO2015146309A1 (ja) | 2014-03-25 | 2015-02-05 | ヘッドランプ |
EP15768589.2A EP3128228B1 (en) | 2014-03-25 | 2015-02-05 | Headlight |
CN201580014086.6A CN106133438B (zh) | 2014-03-25 | 2015-02-05 | 头灯 |
US15/123,903 US9772084B2 (en) | 2014-03-25 | 2015-02-05 | Headlight having a division scan optical system |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2014061823A JP6360699B2 (ja) | 2014-03-25 | 2014-03-25 | ヘッドランプ |
Publications (2)
Publication Number | Publication Date |
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JP2015185427A JP2015185427A (ja) | 2015-10-22 |
JP6360699B2 true JP6360699B2 (ja) | 2018-07-18 |
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ID=54194848
Family Applications (1)
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JP2014061823A Active JP6360699B2 (ja) | 2014-03-25 | 2014-03-25 | ヘッドランプ |
Country Status (5)
Country | Link |
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US (1) | US9772084B2 (ja) |
EP (1) | EP3128228B1 (ja) |
JP (1) | JP6360699B2 (ja) |
CN (1) | CN106133438B (ja) |
WO (1) | WO2015146309A1 (ja) |
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AT516422B1 (de) * | 2014-10-21 | 2016-07-15 | Zizala Lichtsysteme Gmbh | Verfahren und Scheinwerfer zum Erzeugen einer Lichtverteilung auf einer Fahrbahn |
DE102014016853A1 (de) * | 2014-11-13 | 2016-05-19 | Audi Ag | Einzelscheinwerfer für ein Kraftfahrzeug |
CN108027503B (zh) | 2015-05-18 | 2020-09-01 | 亮锐控股有限公司 | 照明系统 |
DE102015212758B3 (de) * | 2015-07-08 | 2016-12-01 | Volkswagen Aktiengesellschaft | Projektionsoptik und Projektionseinheit für ein Kraftfahrzeug |
DE102015224981A1 (de) * | 2015-12-11 | 2017-06-14 | Robert Bosch Gmbh | Projektionssystem und Herstellungsverfahren für ein Projektionssystem für einen Projektor oder ein Fahrzeuglicht |
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JP6791644B2 (ja) | 2016-03-24 | 2020-11-25 | 株式会社小糸製作所 | 車両用前照灯 |
US10052998B2 (en) * | 2016-07-14 | 2018-08-21 | Ford Global Technologies, Llc | Vehicle with headlight sweep |
EP3488146B1 (en) * | 2016-07-20 | 2022-09-07 | Lumileds LLC | Adaptive illumination method for vehicle headlight |
JP6837776B2 (ja) * | 2016-08-10 | 2021-03-03 | 株式会社小糸製作所 | 車両用前照灯 |
JP6872413B2 (ja) * | 2017-04-28 | 2021-05-19 | 株式会社小糸製作所 | 車両用灯具 |
CN109398220A (zh) * | 2017-08-18 | 2019-03-01 | 深圳市绎立锐光科技开发有限公司 | 车前大灯调节装置及系统 |
FR3072444B1 (fr) | 2017-10-13 | 2021-06-04 | Aml Systems | Systeme d'eclairage a miroir oscillant pour phare de vehicule automobile. |
CN109737355A (zh) * | 2019-03-14 | 2019-05-10 | 华域视觉科技(上海)有限公司 | 自动调节高度的汽车大灯以及高度自动调节方法 |
US11450083B2 (en) * | 2019-09-27 | 2022-09-20 | Honeywell International Inc. | Dual-pattern optical 3D dimensioning |
US11639846B2 (en) | 2019-09-27 | 2023-05-02 | Honeywell International Inc. | Dual-pattern optical 3D dimensioning |
DE102020115790A1 (de) | 2020-06-16 | 2021-12-16 | HELLA GmbH & Co. KGaA | Beleuchtungsvorrichtung und Beleuchtungsverfahren für Fahrzeuge |
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JP2864561B2 (ja) * | 1989-09-28 | 1999-03-03 | 日本電気株式会社 | 走査型撮像装置 |
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JP5304380B2 (ja) * | 2008-07-23 | 2013-10-02 | 株式会社リコー | 光走査装置、これを用いた画像投影装置、ヘッドアップディスプレイ装置および携帯電話機 |
JP5842467B2 (ja) * | 2010-11-16 | 2016-01-13 | 株式会社リコー | アクチュエータ装置、このアクチュエータ装置用の保護カバー、このアクチュエータの製造方法、このアクチュエータ装置を用いた光偏向装置、二次元光走査装置及びこれを用いた画像投影装置 |
JP5775340B2 (ja) * | 2011-03-25 | 2015-09-09 | スタンレー電気株式会社 | 光偏向器 |
JP5758717B2 (ja) | 2011-06-22 | 2015-08-05 | スタンレー電気株式会社 | 車両用照明装置 |
JP5887036B2 (ja) * | 2012-03-02 | 2016-03-16 | スタンレー電気株式会社 | 車両用前照灯 |
JP5808640B2 (ja) * | 2011-10-12 | 2015-11-10 | スタンレー電気株式会社 | 車両用前照灯 |
EP2581648B1 (en) * | 2011-10-12 | 2019-01-02 | Stanley Electric Co., Ltd. | Vehicle lighting unit |
JP5907384B2 (ja) * | 2012-06-27 | 2016-04-26 | スタンレー電気株式会社 | 車両用前照灯 |
JP6180091B2 (ja) | 2012-09-07 | 2017-08-16 | 株式会社小糸製作所 | 車両用灯具 |
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EP3128228B1 (en) | 2020-11-25 |
US9772084B2 (en) | 2017-09-26 |
EP3128228A4 (en) | 2017-12-13 |
US20170016588A1 (en) | 2017-01-19 |
WO2015146309A1 (ja) | 2015-10-01 |
CN106133438B (zh) | 2018-12-25 |
EP3128228A1 (en) | 2017-02-08 |
JP2015185427A (ja) | 2015-10-22 |
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