JP6581588B2 - 車両用前照灯 - Google Patents
車両用前照灯 Download PDFInfo
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- JP6581588B2 JP6581588B2 JP2016542536A JP2016542536A JP6581588B2 JP 6581588 B2 JP6581588 B2 JP 6581588B2 JP 2016542536 A JP2016542536 A JP 2016542536A JP 2016542536 A JP2016542536 A JP 2016542536A JP 6581588 B2 JP6581588 B2 JP 6581588B2
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- reflected
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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
- F21S41/141—Light emitting diodes [LED]
- F21S41/147—Light emitting diodes [LED] the main emission direction of the LED being angled 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
-
- 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]
- F21S41/147—Light emitting diodes [LED] the main emission direction of the LED being angled to the optical axis of the illuminating device
- F21S41/148—Light emitting diodes [LED] the main emission direction of the LED being angled to the optical axis of the illuminating device the main emission direction of the LED being perpendicular to the optical axis
-
- 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
- F21S41/30—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
- F21S41/33—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
- F21S41/335—Multi-surface reflectors, e.g. reflectors with facets or reflectors with portions of different curvature the reflector consisting of patch like sectors with continuity 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
- F21S41/33—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
- F21S41/40—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
- 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
-
- 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
- B60Q2300/40—Indexing codes relating to other road users or special conditions
- B60Q2300/41—Indexing codes relating to other road users or special conditions preceding vehicle
-
- 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S45/00—Arrangements within vehicle lighting devices specially adapted for vehicle exteriors, for purposes other than emission or distribution of light
- F21S45/40—Cooling of lighting devices
- F21S45/47—Passive cooling, e.g. using fins, thermal conductive elements or openings
Description
Claims (5)
- 個別に点消灯可能な複数の半導体発光素子からなる光源と、
回転放物面を基調とする反射面を有するリフレクタと、
を備え、
前記リフレクタは鉛直方向に分割された複数の部分リフレクタからなり、各部分リフレクタで反射された所定の投影面上における反射光の水平方向の広がりが略等しくなるように、各部分リフレクタの反射面が構成され、
前記部分リフレクタの反射面は水平方向に分割された複数の部分反射面からなり、各部分反射面による反射光の水平方向の角度が異なり、
前記部分リフレクタの反射面は、交互に並ぶ凹面と凸面の部分反射面からなることを特徴とする車両用前照灯。 - 個別に点消灯可能な複数の半導体発光素子からなる光源と、
回転放物面を基調とする反射面を有するリフレクタと、
を備え、
前記リフレクタは鉛直方向に分割された複数の部分リフレクタからなり、各部分リフレクタで反射された反射光が、所定の投影面上に形成される配光パターンの上端から下端まで広がるように、各部分リフレクタの反射面が構成され、
前記部分リフレクタの反射面は水平方向に分割された複数の部分反射面からなり、各部分反射面による反射光の水平方向の角度が異なり、
前記部分リフレクタの反射面は、交互に並ぶ凹面と凸面の部分反射面からなることを特徴とする車両用前照灯。 - 前記光源から前記部分リフレクタまでの距離が大きくなるほど、該部分リフレクタの焦点距離が小さくなるように、各部分リフレクタの車両前後方向の位置が調整され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。
- 各部分反射面による反射光の水平方向の向きが、中央に位置する部分反射面から端部に位置する部分反射面にかけて外側に広がるように、各部分反射面が構成されることを特徴とする請求項1ないし3のいずれかに記載の車両用前照灯。
- 光軸が鉛直下向きになるように前記光源が配置され、
前記光源の近傍かつ前記リフレクタとは反対側に、光源の光軸と略平行に延びる第2反射面をさらに備えることを特徴とする請求項1ないし4のいずれかに記載の車両用前照灯。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2014163763 | 2014-08-11 | ||
JP2014163763 | 2014-08-11 | ||
PCT/JP2015/071922 WO2016024489A1 (ja) | 2014-08-11 | 2015-08-03 | 車両用前照灯 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPWO2016024489A1 JPWO2016024489A1 (ja) | 2017-06-29 |
JP6581588B2 true JP6581588B2 (ja) | 2019-09-25 |
Family
ID=55304118
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2016542536A Active JP6581588B2 (ja) | 2014-08-11 | 2015-08-03 | 車両用前照灯 |
Country Status (5)
Country | Link |
---|---|
US (1) | US10415779B2 (ja) |
EP (1) | EP3181994A4 (ja) |
JP (1) | JP6581588B2 (ja) |
CN (1) | CN106574763B (ja) |
WO (1) | WO2016024489A1 (ja) |
Families Citing this family (23)
Publication number | Priority date | Publication date | Assignee | Title |
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JP2016181388A (ja) * | 2015-03-24 | 2016-10-13 | スタンレー電気株式会社 | 車両用灯具 |
JP6811554B2 (ja) * | 2016-06-15 | 2021-01-13 | 株式会社小糸製作所 | 車両用灯具 |
JP6872413B2 (ja) * | 2017-04-28 | 2021-05-19 | 株式会社小糸製作所 | 車両用灯具 |
KR102372389B1 (ko) * | 2017-05-23 | 2022-03-08 | 현대모비스 주식회사 | 헤드램프 장치 |
TWI615581B (zh) * | 2017-07-14 | 2018-02-21 | 達運精密工業股份有限公司 | 光反射罩及具有光反射罩的照明裝置 |
KR102418367B1 (ko) * | 2017-07-27 | 2022-07-08 | 에스엘 주식회사 | 차량용 램프 |
EP3450828A1 (en) * | 2017-08-31 | 2019-03-06 | Valeo Iluminacion | Lighting device for an automotive vehicle headlamp |
US10596952B2 (en) * | 2017-09-13 | 2020-03-24 | Shanghai Koito Automotive Lamp Co., Ltd. | Intelligent lighting system for automobile lamp, automobile lamp assembly and automobile |
KR102441571B1 (ko) * | 2017-10-12 | 2022-09-08 | 현대자동차주식회사 | 차량의 리어 램프 장치 |
CN107781781B (zh) * | 2017-11-21 | 2023-11-10 | 华域视觉科技(上海)有限公司 | 反射式聚光器、车灯及汽车 |
KR102470453B1 (ko) * | 2017-12-29 | 2022-11-24 | 에스엘 주식회사 | 차량용 램프 |
CN108561847A (zh) * | 2018-02-13 | 2018-09-21 | 上海小糸车灯有限公司 | 一种车灯系统与车灯 |
EP3543594A1 (de) * | 2018-03-19 | 2019-09-25 | ZKW Group GmbH | Kraftfahrzeug-scheinwerfer |
CN112135998B (zh) * | 2018-06-01 | 2023-03-10 | 市光工业株式会社 | 车辆用灯具 |
EP3847055B1 (en) | 2018-09-05 | 2023-12-20 | Flex-N-Gate Advanced Product Development, LLC | Adaptive headlamp for optically and electronically shaping light |
CN109519865B (zh) * | 2019-01-03 | 2024-01-26 | 华域视觉科技(上海)有限公司 | 增加光型宽度的方法、装置、模组单元、车灯及汽车 |
CN109827140A (zh) * | 2019-02-20 | 2019-05-31 | 华域视觉科技(上海)有限公司 | 一种led车灯及其近光模组 |
JP7350846B2 (ja) * | 2019-05-22 | 2023-09-26 | 株式会社小糸製作所 | 車輌用前照灯 |
EP3772610B1 (en) * | 2019-08-06 | 2022-04-20 | Nichia Corporation | Lighting device |
JP7275976B2 (ja) | 2019-08-07 | 2023-05-18 | 市光工業株式会社 | 車両用灯具 |
JP7374731B2 (ja) | 2019-11-21 | 2023-11-07 | 株式会社小糸製作所 | 車両用灯具 |
US11047543B1 (en) * | 2020-05-26 | 2021-06-29 | Valeo Vision Sas | Narrow aperture light system |
KR20220095889A (ko) * | 2020-12-30 | 2022-07-07 | 에스엘 주식회사 | 차량용 램프 |
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JPH0810561B2 (ja) * | 1988-11-30 | 1996-01-31 | 市光工業株式会社 | 前照灯の光学系 |
JP2813853B2 (ja) * | 1993-06-03 | 1998-10-22 | 株式会社小糸製作所 | 車輌用灯具の反射鏡 |
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JP3145930B2 (ja) * | 1996-08-02 | 2001-03-12 | 株式会社小糸製作所 | 車輌用前照灯 |
JP3193889B2 (ja) * | 1997-06-18 | 2001-07-30 | 株式会社小糸製作所 | 車輌用灯具 |
JP2001167614A (ja) * | 1999-12-08 | 2001-06-22 | Koito Mfg Co Ltd | 車両用標識灯 |
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DE102007049309B4 (de) * | 2007-10-15 | 2013-04-11 | Automotive Lighting Reutlingen Gmbh | Projektionsmodul eines Kraftfahrzeugscheinwerfers |
JP4582190B2 (ja) * | 2008-05-14 | 2010-11-17 | 市光工業株式会社 | 車両用灯具 |
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JP5391909B2 (ja) * | 2009-08-04 | 2014-01-15 | スタンレー電気株式会社 | 車両用灯具 |
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JP5582865B2 (ja) * | 2010-05-12 | 2014-09-03 | 株式会社小糸製作所 | 灯具 |
JP5526453B2 (ja) * | 2010-09-13 | 2014-06-18 | スタンレー電気株式会社 | 車両用前照灯 |
JP2012119219A (ja) * | 2010-12-02 | 2012-06-21 | Koito Mfg Co Ltd | 車両用前照灯 |
JP5772542B2 (ja) * | 2011-11-24 | 2015-09-02 | 市光工業株式会社 | 車両用前照灯 |
JP5945857B2 (ja) * | 2012-01-24 | 2016-07-05 | スタンレー電気株式会社 | 車両用前照灯及び導光レンズ |
DE102012202290B4 (de) * | 2012-02-15 | 2014-03-27 | Automotive Lighting Reutlingen Gmbh | Lichtmodul für ein blendungsfreies Kraftfahrzeug-Fernlicht |
JP6075969B2 (ja) | 2012-05-22 | 2017-02-08 | 株式会社小糸製作所 | 車両用前照灯 |
AT513444B1 (de) * | 2012-10-09 | 2014-07-15 | Zizala Lichtsysteme Gmbh | Lichtmodul mit zwei oder mehr Reflektoren für ein Kraftfahrzeug sowie Kraftfahrzeugscheinwerfer |
JP2014137896A (ja) * | 2013-01-16 | 2014-07-28 | Koito Mfg Co Ltd | 車両用灯具 |
DE102013206488A1 (de) * | 2013-04-11 | 2014-10-30 | Automotive Lighting Reutlingen Gmbh | Lichtmodul für eine Kraftfahrzeugbeleuchtungseinrichtung |
-
2015
- 2015-08-03 JP JP2016542536A patent/JP6581588B2/ja active Active
- 2015-08-03 WO PCT/JP2015/071922 patent/WO2016024489A1/ja active Application Filing
- 2015-08-03 CN CN201580043346.2A patent/CN106574763B/zh active Active
- 2015-08-03 EP EP15831602.6A patent/EP3181994A4/en not_active Withdrawn
-
2017
- 2017-02-09 US US15/428,409 patent/US10415779B2/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
US20170153000A1 (en) | 2017-06-01 |
US10415779B2 (en) | 2019-09-17 |
EP3181994A4 (en) | 2018-07-25 |
JPWO2016024489A1 (ja) | 2017-06-29 |
CN106574763A (zh) | 2017-04-19 |
EP3181994A1 (en) | 2017-06-21 |
WO2016024489A1 (ja) | 2016-02-18 |
CN106574763B (zh) | 2020-04-07 |
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