JP5350771B2 - 車両用照明灯具 - Google Patents

車両用照明灯具 Download PDF

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Publication number
JP5350771B2
JP5350771B2 JP2008327267A JP2008327267A JP5350771B2 JP 5350771 B2 JP5350771 B2 JP 5350771B2 JP 2008327267 A JP2008327267 A JP 2008327267A JP 2008327267 A JP2008327267 A JP 2008327267A JP 5350771 B2 JP5350771 B2 JP 5350771B2
Authority
JP
Japan
Prior art keywords
light
region
optical axis
translucent member
light emitting
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.)
Expired - Fee Related
Application number
JP2008327267A
Other languages
English (en)
Japanese (ja)
Other versions
JP2010153076A (ja
Inventor
直樹 内田
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Koito Manufacturing Co Ltd
Original Assignee
Koito Manufacturing Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Koito Manufacturing Co Ltd filed Critical Koito Manufacturing Co Ltd
Priority to JP2008327267A priority Critical patent/JP5350771B2/ja
Priority to EP09178665.7A priority patent/EP2202454B1/en
Priority to CN2009110002214A priority patent/CN101922666B/zh
Publication of JP2010153076A publication Critical patent/JP2010153076A/ja
Application granted granted Critical
Publication of JP5350771B2 publication Critical patent/JP5350771B2/ja
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • 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
    • F21S41/10—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]
    • F21S41/155—Surface emitters, e.g. organic light emitting diodes [OLED]
    • 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 - F21S41/2805
    • 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
    • F21S41/322—Optical layout thereof the reflector using total internal reflection
    • 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
    • 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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21W—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO USES OR APPLICATIONS OF LIGHTING DEVICES OR SYSTEMS
    • F21W2102/00—Exterior vehicle lighting devices for illuminating purposes
    • F21W2102/10—Arrangement or contour of the emitted light
    • F21W2102/13—Arrangement or contour of the emitted light for high-beam region or low-beam region
    • F21W2102/135—Arrangement or contour of the emitted light for high-beam region or low-beam region the light having cut-off lines, i.e. clear borderlines between emitted regions and dark regions
    • F21W2102/155—Arrangement or contour of the emitted light for high-beam region or low-beam region the light having cut-off lines, i.e. clear borderlines between emitted regions and dark regions having inclined and horizontal cutoff lines
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21W—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO USES OR APPLICATIONS OF LIGHTING DEVICES OR SYSTEMS
    • F21W2102/00—Exterior vehicle lighting devices for illuminating purposes
    • F21W2102/20—Illuminance distribution within the emitted light
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
    • F21Y2115/00—Light-generating elements of semiconductor light sources
    • F21Y2115/10—Light-emitting diodes [LED]

Landscapes

  • 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)
  • Lighting Device Outwards From Vehicle And Optical Signal (AREA)
JP2008327267A 2008-12-24 2008-12-24 車両用照明灯具 Expired - Fee Related JP5350771B2 (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP2008327267A JP5350771B2 (ja) 2008-12-24 2008-12-24 車両用照明灯具
EP09178665.7A EP2202454B1 (en) 2008-12-24 2009-12-10 Vehicular illumination lamp
CN2009110002214A CN101922666B (zh) 2008-12-24 2009-12-24 车辆用照明灯具

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2008327267A JP5350771B2 (ja) 2008-12-24 2008-12-24 車両用照明灯具

Publications (2)

Publication Number Publication Date
JP2010153076A JP2010153076A (ja) 2010-07-08
JP5350771B2 true JP5350771B2 (ja) 2013-11-27

Family

ID=41818629

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2008327267A Expired - Fee Related JP5350771B2 (ja) 2008-12-24 2008-12-24 車両用照明灯具

Country Status (3)

Country Link
EP (1) EP2202454B1 (zh)
JP (1) JP5350771B2 (zh)
CN (1) CN101922666B (zh)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5518607B2 (ja) * 2010-07-08 2014-06-11 株式会社小糸製作所 車両用照明灯具
JP5518606B2 (ja) * 2010-07-08 2014-06-11 株式会社小糸製作所 車両用照明灯具
JP5681513B2 (ja) * 2011-02-08 2015-03-11 株式会社小糸製作所 車両用前照灯
JP5810755B2 (ja) 2011-08-31 2015-11-11 市光工業株式会社 車両用前照灯
JP5810756B2 (ja) 2011-08-31 2015-11-11 市光工業株式会社 車両用前照灯
FR2979593B1 (fr) * 2011-09-02 2014-09-12 Valeo Vision Dispositif optique, notamment pour vehicule automobile
CN103256541A (zh) * 2012-02-15 2013-08-21 宁波比格斯通光电科技有限公司 远近光一体的车灯
JP5988764B2 (ja) * 2012-08-10 2016-09-07 株式会社小糸製作所 車両用照明灯具
CN103062698B (zh) * 2013-01-30 2016-03-30 上海开腾信号设备有限公司 地面交通工具区域对应指向配光型led灯及其制造方法
JP6243712B2 (ja) * 2013-11-25 2017-12-06 株式会社小糸製作所 車両用灯具
US10663632B2 (en) 2015-07-15 2020-05-26 Coelux S.R.L. Reflective illumination systems for optically widened perception
JP6745330B2 (ja) 2015-07-15 2020-08-26 コエルクス・エッセ・エッレ・エッレＣｏｅＬｕｘ Ｓ．ｒ．ｌ． 色反射ユニット
CN110274211B (zh) * 2018-03-15 2021-06-15 株式会社小糸制作所 车辆用前照灯
WO2021166533A1 (ja) * 2020-02-18 2021-08-26 株式会社小糸製作所 灯具ユニット及び車両用灯具

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003272413A (ja) * 2002-03-14 2003-09-26 Koito Mfg Co Ltd 車両用前照灯
JP2004311101A (ja) * 2003-04-03 2004-11-04 Koito Mfg Co Ltd 車両用前照灯及び半導体発光素子
JP2004349130A (ja) * 2003-05-22 2004-12-09 Koito Mfg Co Ltd 車両用灯具
JP4339028B2 (ja) * 2003-06-19 2009-10-07 株式会社小糸製作所 灯具ユニットおよび車両用前照灯
JP4393971B2 (ja) * 2004-11-24 2010-01-06 株式会社小糸製作所 車両用照明灯具
JP4684952B2 (ja) * 2006-06-16 2011-05-18 株式会社小糸製作所 車両用前照灯の灯具ユニット
JP2008171743A (ja) * 2007-01-15 2008-07-24 Koito Mfg Co Ltd 車両用前照灯
JP5253888B2 (ja) * 2008-02-22 2013-07-31 株式会社小糸製作所 車両用照明灯具

Also Published As

Publication number Publication date
JP2010153076A (ja) 2010-07-08
EP2202454A2 (en) 2010-06-30
CN101922666A (zh) 2010-12-22
CN101922666B (zh) 2013-01-02
EP2202454B1 (en) 2016-05-18
EP2202454A3 (en) 2015-09-16

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