EP2525141A4 - Vehicle headlamp - Google Patents

Vehicle headlamp

Info

Publication number
EP2525141A4
EP2525141A4 EP11732839.3A EP11732839A EP2525141A4 EP 2525141 A4 EP2525141 A4 EP 2525141A4 EP 11732839 A EP11732839 A EP 11732839A EP 2525141 A4 EP2525141 A4 EP 2525141A4
Authority
EP
European Patent Office
Prior art keywords
vehicle headlamp
headlamp
vehicle
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.)
Granted
Application number
EP11732839.3A
Other languages
German (de)
French (fr)
Other versions
EP2525141B1 (en
EP2525141A1 (en
Inventor
Takayuki Yagi
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
Publication of EP2525141A1 publication Critical patent/EP2525141A1/en
Publication of EP2525141A4 publication Critical patent/EP2525141A4/en
Application granted granted Critical
Publication of EP2525141B1 publication Critical patent/EP2525141B1/en
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V7/00—Reflectors for light sources
    • F21V7/04—Optical design
    • F21V7/041—Optical design with conical or pyramidal surface
    • 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
    • F21S41/30—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by reflectors
    • F21S41/32—Optical layout thereof
    • F21S41/323—Optical layout thereof the reflector having two perpendicular cross sections having regular geometrical curves of a distinct nature
    • 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
    • F21S41/40—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
    • F21S41/20—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by refractors, transparent cover plates, light guides or filters
    • F21S41/25—Projection lenses
    • F21S41/26—Elongated lenses
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V7/00—Reflectors for light sources
    • F21V7/04—Optical design
    • F21V7/06—Optical design with parabolic curvature
    • 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)
  • Geometry (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
EP11732839.3A 2010-01-12 2011-01-06 Vehicle headlamp Not-in-force EP2525141B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2010003564A JP5442463B2 (en) 2010-01-12 2010-01-12 Vehicle headlamp
PCT/JP2011/050116 WO2011086969A1 (en) 2010-01-12 2011-01-06 Vehicle headlamp

Publications (3)

Publication Number Publication Date
EP2525141A1 EP2525141A1 (en) 2012-11-21
EP2525141A4 true EP2525141A4 (en) 2015-07-15
EP2525141B1 EP2525141B1 (en) 2018-03-07

Family

ID=44304242

Family Applications (1)

Application Number Title Priority Date Filing Date
EP11732839.3A Not-in-force EP2525141B1 (en) 2010-01-12 2011-01-06 Vehicle headlamp

Country Status (4)

Country Link
EP (1) EP2525141B1 (en)
JP (1) JP5442463B2 (en)
CN (1) CN102713420B (en)
WO (1) WO2011086969A1 (en)

Families Citing this family (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9273843B2 (en) * 2010-04-19 2016-03-01 Koninklijke Philips N.V. LED front lighting arrangement
JP5666882B2 (en) * 2010-11-18 2015-02-12 株式会社小糸製作所 High beam lamp unit
JP5793822B2 (en) * 2011-08-10 2015-10-14 スタンレー電気株式会社 Light source unit for vehicle headlamp and vehicle headlamp using the same
FR2979688A1 (en) 2011-09-05 2013-03-08 Valeo Vision OPTICAL MODULE FOR SIGNALING AND / OR LIGHTING DEVICE
FR2998036B1 (en) * 2012-11-12 2015-05-01 Valeo Vision LIGHTING MODULE FOR MOTOR VEHICLE PROJECTOR COMPRISING MULTIPLE LIGHT SOURCES
JPWO2015001733A1 (en) * 2013-07-01 2017-02-23 株式会社小糸製作所 Vehicle headlamp
JP6471457B2 (en) * 2014-10-23 2019-02-20 市光工業株式会社 Vehicle lighting
JP6550788B2 (en) * 2015-02-23 2019-07-31 市光工業株式会社 Vehicle lighting
TWI607181B (en) * 2015-07-06 2017-12-01 隆達電子股份有限公司 Light-guiding pillar and vehicle lamp using the same
JP6980377B2 (en) * 2016-12-15 2021-12-15 株式会社小糸製作所 Vehicle headlights
CN107044610A (en) * 2017-04-05 2017-08-15 成都恒坤光电科技有限公司 A kind of incident reflection shield in bottom and the car light using the reflection shield
CN106764818A (en) * 2017-04-05 2017-05-31 成都恒坤光电科技有限公司 A kind of reflection shield and the car light using the reflection shield
CN108302485A (en) * 2017-09-13 2018-07-20 上海小糸车灯有限公司 Car light intelligent illuminating system, vehicle lamp assembly and automobile
JP7149062B2 (en) * 2017-10-25 2022-10-06 スタンレー電気株式会社 vehicle lighting unit
JP6968686B2 (en) * 2017-12-22 2021-11-17 スタンレー電気株式会社 Vehicle lighting
FR3077365B1 (en) * 2018-01-30 2021-06-25 Valeo Vision ROAD LIGHTING DEVICE WITH CONTROLLED CAUSTIC-GENERATING SURFACE FORMING A LIGHTING BEAM
JP7130913B2 (en) * 2018-06-27 2022-09-06 日亜化学工業株式会社 Optical and lighting equipment
JP7265922B2 (en) * 2019-04-22 2023-04-27 スタンレー電気株式会社 vehicle headlight
CN111765426B (en) * 2019-05-20 2022-03-18 华域视觉科技(上海)有限公司 Optical device for vehicle lamp, vehicle lighting device, and vehicle
CN112628683B (en) * 2019-10-09 2023-02-28 坦德科技股份有限公司 Lighting device for vehicle
EP3865765A1 (en) * 2020-02-14 2021-08-18 Tan de Tech Co., Ltd. Light device for vehicle
CN111780049A (en) * 2020-06-28 2020-10-16 华域视觉科技(上海)有限公司 Vehicle reflecting mirror and dipped beam unit based on same
CN112944276B (en) * 2021-02-24 2021-10-01 华域视觉科技(上海)有限公司 Far and near light integrated optical device, automobile lighting device and automobile
WO2023189960A1 (en) * 2022-03-31 2023-10-05 株式会社小糸製作所 Vehicle lamp
WO2024065628A1 (en) * 2022-09-30 2024-04-04 珠海水立方照明科技有限公司 Vehicle lamp optical system

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0210406A2 (en) * 1985-07-31 1987-02-04 Robert Bosch Gmbh Motor vehicle headlight
DE19630409A1 (en) * 1995-07-28 1997-01-30 Koito Mfg Co Ltd Vehicle lamp
DE102005012649A1 (en) * 2004-03-18 2005-10-13 Koito Manufacturing Co., Ltd. Lighting unit for vehicles
DE102005014754A1 (en) * 2005-03-31 2006-10-05 Patent-Treuhand-Gesellschaft für elektrische Glühlampen mbH Car headlights
DE102007023786A1 (en) * 2006-05-16 2007-12-06 Visteon Global Technologies Inc., Van Buren Headlamp module and headlamp assembly with interior reflective, translucent element
JP2008282575A (en) * 2007-05-08 2008-11-20 Stanley Electric Co Ltd Led lamp for head lamp light source

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002050214A (en) * 2000-08-07 2002-02-15 Ichikoh Ind Ltd Signal lamp for vehicle
JP2007235079A (en) 2006-03-01 2007-09-13 Ikuo Iwai Light emitting device
JP2008258001A (en) * 2007-04-05 2008-10-23 Koito Mfg Co Ltd Lamp unit of vehicular headlamp
JP5152487B2 (en) * 2007-11-29 2013-02-27 スタンレー電気株式会社 Vehicle headlamp
JP5297701B2 (en) 2008-06-20 2013-09-25 三菱レイヨン株式会社 Method for producing electrode substrate for polymer electrolyte fuel cell

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0210406A2 (en) * 1985-07-31 1987-02-04 Robert Bosch Gmbh Motor vehicle headlight
DE19630409A1 (en) * 1995-07-28 1997-01-30 Koito Mfg Co Ltd Vehicle lamp
DE102005012649A1 (en) * 2004-03-18 2005-10-13 Koito Manufacturing Co., Ltd. Lighting unit for vehicles
DE102005014754A1 (en) * 2005-03-31 2006-10-05 Patent-Treuhand-Gesellschaft für elektrische Glühlampen mbH Car headlights
DE102007023786A1 (en) * 2006-05-16 2007-12-06 Visteon Global Technologies Inc., Van Buren Headlamp module and headlamp assembly with interior reflective, translucent element
JP2008282575A (en) * 2007-05-08 2008-11-20 Stanley Electric Co Ltd Led lamp for head lamp light source

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2011086969A1 *

Also Published As

Publication number Publication date
EP2525141B1 (en) 2018-03-07
WO2011086969A1 (en) 2011-07-21
JP5442463B2 (en) 2014-03-12
CN102713420A (en) 2012-10-03
EP2525141A1 (en) 2012-11-21
CN102713420B (en) 2014-11-05
JP2011146133A (en) 2011-07-28

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