EP2484960A3 - Fahrzeugscheinwerfer - Google Patents

Fahrzeugscheinwerfer Download PDF

Info

Publication number
EP2484960A3
EP2484960A3 EP12153195.8A EP12153195A EP2484960A3 EP 2484960 A3 EP2484960 A3 EP 2484960A3 EP 12153195 A EP12153195 A EP 12153195A EP 2484960 A3 EP2484960 A3 EP 2484960A3
Authority
EP
European Patent Office
Prior art keywords
light emitting
optical system
directions
normals
parabolic optical
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
EP12153195.8A
Other languages
English (en)
French (fr)
Other versions
EP2484960B1 (de
EP2484960A2 (de
Inventor
Akinori Matsumoto
Yuta Ugajin
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 EP2484960A2 publication Critical patent/EP2484960A2/de
Publication of EP2484960A3 publication Critical patent/EP2484960A3/de
Application granted granted Critical
Publication of EP2484960B1 publication Critical patent/EP2484960B1/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

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
    • F21S41/30—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
    • F21S41/10—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
    • F21S41/30—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by reflectors
    • F21S41/39—Attachment thereof

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)
EP12153195.8A 2011-02-03 2012-01-31 Fahrzeugscheinwerfer Active EP2484960B1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2011021407A JP5666934B2 (ja) 2011-02-03 2011-02-03 光学ユニットおよび車両用灯具

Publications (3)

Publication Number Publication Date
EP2484960A2 EP2484960A2 (de) 2012-08-08
EP2484960A3 true EP2484960A3 (de) 2017-09-20
EP2484960B1 EP2484960B1 (de) 2019-04-03

Family

ID=45655317

Family Applications (1)

Application Number Title Priority Date Filing Date
EP12153195.8A Active EP2484960B1 (de) 2011-02-03 2012-01-31 Fahrzeugscheinwerfer

Country Status (2)

Country Link
EP (1) EP2484960B1 (de)
JP (1) JP5666934B2 (de)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5792217B2 (ja) * 2013-03-22 2015-10-07 株式会社小糸製作所 車両用灯具

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0545803U (ja) * 1991-11-19 1993-06-18 株式会社小糸製作所 自動車用ヘツドランプ
US20040240219A1 (en) * 2003-02-03 2004-12-02 Koito Manufacturing Co., Ltd Vehicular headlamp and light-emitting module therefor
US20040252517A1 (en) * 2003-03-31 2004-12-16 Koito Manufacturing Co., Ltd Headlamp for vehicle
US20050041436A1 (en) * 2003-08-05 2005-02-24 Koito Manufacturing Co., Ltd Lighting device for vehicle
US20080225539A1 (en) * 2007-03-15 2008-09-18 Koito Manufacturing Co., Ltd. Vehicle headlamp system and vehicle headlamp for use therein

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0545803U (ja) * 1991-11-19 1993-06-18 株式会社小糸製作所 自動車用ヘツドランプ
US20040240219A1 (en) * 2003-02-03 2004-12-02 Koito Manufacturing Co., Ltd Vehicular headlamp and light-emitting module therefor
US20040252517A1 (en) * 2003-03-31 2004-12-16 Koito Manufacturing Co., Ltd Headlamp for vehicle
US20050041436A1 (en) * 2003-08-05 2005-02-24 Koito Manufacturing Co., Ltd Lighting device for vehicle
US20080225539A1 (en) * 2007-03-15 2008-09-18 Koito Manufacturing Co., Ltd. Vehicle headlamp system and vehicle headlamp for use therein

Also Published As

Publication number Publication date
EP2484960B1 (de) 2019-04-03
JP2012160419A (ja) 2012-08-23
EP2484960A2 (de) 2012-08-08
JP5666934B2 (ja) 2015-02-12

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