EP2366939A3 - Motor vehicle headlamp with a light source and at least two light-distributing optical elements - Google Patents

Motor vehicle headlamp with a light source and at least two light-distributing optical elements Download PDF

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Publication number
EP2366939A3
EP2366939A3 EP11000515.4A EP11000515A EP2366939A3 EP 2366939 A3 EP2366939 A3 EP 2366939A3 EP 11000515 A EP11000515 A EP 11000515A EP 2366939 A3 EP2366939 A3 EP 2366939A3
Authority
EP
European Patent Office
Prior art keywords
light
light source
motor vehicle
optical elements
vehicle headlamp
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
EP11000515.4A
Other languages
German (de)
French (fr)
Other versions
EP2366939A2 (en
EP2366939B1 (en
Inventor
Florian Stade
Michael Scholl
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.)
Marelli Automotive Lighting Reutlingen Germany GmbH
Original Assignee
Automotive Lighting Reutlingen GmbH
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
Family has litigation
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Application filed by Automotive Lighting Reutlingen GmbH filed Critical Automotive Lighting Reutlingen GmbH
Publication of EP2366939A2 publication Critical patent/EP2366939A2/en
Publication of EP2366939A3 publication Critical patent/EP2366939A3/en
Application granted granted Critical
Publication of EP2366939B1 publication Critical patent/EP2366939B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21SNON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S41/00Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps
    • F21S41/60Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by a variable light distribution
    • F21S41/65Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by a variable light distribution by acting on light sources
    • F21S41/663Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by a variable light distribution by acting on light sources by switching light sources
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21SNON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S41/00Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps
    • F21S41/10Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by the light source
    • F21S41/14Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by the light source characterised by the type of light source
    • F21S41/141Light emitting diodes [LED]
    • F21S41/147Light emitting diodes [LED] the main emission direction of the LED being angled to the optical axis of the illuminating device
    • F21S41/148Light 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
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21SNON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S41/00Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps
    • F21S41/10Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by the light source
    • F21S41/14Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by the light source characterised by the type of light source
    • F21S41/141Light emitting diodes [LED]
    • F21S41/151Light emitting diodes [LED] arranged in one or more lines
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21SNON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S41/00Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps
    • F21S41/20Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by refractors, transparent cover plates, light guides or filters
    • F21S41/25Projection lenses
    • F21S41/265Composite lenses; Lenses with a patch-like shape
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21SNON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S41/00Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps
    • F21S41/30Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by reflectors
    • F21S41/32Optical layout thereof
    • F21S41/33Multi-surface reflectors, e.g. reflectors with facets or reflectors with portions of different curvature
    • F21S41/334Multi-surface reflectors, e.g. reflectors with facets or reflectors with portions of different curvature the reflector consisting of patch like sectors
    • F21S41/336Multi-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
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21SNON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S41/00Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps
    • F21S41/30Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by reflectors
    • F21S41/32Optical layout thereof
    • F21S41/36Combinations of two or more separate reflectors
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21WINDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO USES OR APPLICATIONS OF LIGHTING DEVICES OR SYSTEMS
    • F21W2102/00Exterior vehicle lighting devices for illuminating purposes
    • F21W2102/10Arrangement or contour of the emitted light
    • F21W2102/17Arrangement or contour of the emitted light for regions other than high beam or low beam
    • F21W2102/19Arrangement or contour of the emitted light for regions other than high beam or low beam for curves

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)

Abstract

Vorgestellt wird ein Kraftfahrzeugscheinwerfer (10) mit einer Lichtquelle (12) und wenigstens zwei optischen Elementen (14, 16), die dazu eingerichtet sind, Licht der Lichtquelle (12) in vorbestimmter Weise zu verteilen, wobei ein erstes optisches Element (14) in einem vergleichsweise großen Abstand (d_14) zur Lichtquelle (12) angeordnet ist und ein zweites optisches Element (16) in einem vergleichsweise kleinen Abstand (d_16) zur Lichtquelle (12) so angeordnet ist, dass sich eine vom dem ersten optischen Element (14) erzeugte Lichtverteilung (LV_14) und eine vom zweiten optischen Element (16) erzeugte Lichtverteilung (LV_16) überlappen.

Figure imgaf001
Disclosed is a motor vehicle headlight (10) having a light source (12) and at least two optical elements (14, 16) which are adapted to distribute light from the light source (12) in a predetermined manner, wherein a first optical element (14) in a relatively large distance (d_14) to the light source (12) is arranged and a second optical element (16) at a comparatively small distance (d_16) to the light source (12) is arranged so that one of the first optical element (14) generated light distribution (LV_14) and a light generated by the second optical element (16) light distribution (LV_16) overlap.
Figure imgaf001

EP11000515.4A 2010-03-03 2011-01-22 Motor vehicle headlamp with a light source and at least two light-distributing optical elements Active EP2366939B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE202010003058U DE202010003058U1 (en) 2010-03-03 2010-03-03 Motor vehicle headlight with a light source and at least two light-distributing optical elements

Publications (3)

Publication Number Publication Date
EP2366939A2 EP2366939A2 (en) 2011-09-21
EP2366939A3 true EP2366939A3 (en) 2013-10-30
EP2366939B1 EP2366939B1 (en) 2020-06-17

Family

ID=42194651

Family Applications (1)

Application Number Title Priority Date Filing Date
EP11000515.4A Active EP2366939B1 (en) 2010-03-03 2011-01-22 Motor vehicle headlamp with a light source and at least two light-distributing optical elements

Country Status (3)

Country Link
EP (1) EP2366939B1 (en)
CN (1) CN102192460B (en)
DE (1) DE202010003058U1 (en)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5582865B2 (en) * 2010-05-12 2014-09-03 株式会社小糸製作所 Lamp
DE102010045394A1 (en) * 2010-09-15 2012-03-15 Osram Opto Semiconductors Gmbh lamp
DE102010056311A1 (en) * 2010-12-27 2012-06-28 Automotive Lighting Reutlingen Gmbh Lighting device for motor vehicle for generating different lighting functions, has semiconductor light source which comprises a light-emitting semiconductor chip, and primary optics for bundling light emitted from semiconductor light source
JP5707661B2 (en) * 2011-03-25 2015-04-30 スタンレー電気株式会社 VEHICLE LIGHT UNIT AND LIGHT GUIDE USED FOR VEHICLE LIGHT
JP5953665B2 (en) * 2011-07-26 2016-07-20 市光工業株式会社 Vehicle headlamp
JP5842435B2 (en) 2011-07-26 2016-01-13 市光工業株式会社 Vehicle headlamp
DE102011090181B4 (en) * 2011-12-30 2018-02-15 Automotive Lighting Reutlingen Gmbh Headlight for a motor vehicle, which generates a partial high-beam light distribution with the aid of a reflection system
JP5912539B2 (en) * 2012-01-10 2016-04-27 株式会社小糸製作所 Vehicle headlamp
DE102012202290B4 (en) * 2012-02-15 2014-03-27 Automotive Lighting Reutlingen Gmbh Light module for a glare-free motor vehicle high beam
DE102013215359B3 (en) * 2013-08-05 2015-02-19 Automotive Lighting Reutlingen Gmbh Mechanically-free bend lighting module
DE102013220192B4 (en) * 2013-10-07 2015-04-30 Automotive Lighting Reutlingen Gmbh LED module of a motor vehicle headlight
DE102014100727B4 (en) * 2014-01-23 2023-09-21 HELLA GmbH & Co. KGaA Method for basic adjustment of a headlight
DE102017001019A1 (en) * 2017-02-04 2018-08-09 GM Global Technology Operations LLC (n. d. Ges. d. Staates Delaware) vehicle headlights
CN109668111A (en) * 2019-02-14 2019-04-23 华域视觉科技(上海)有限公司 Automobile-used dipped headlight and automobile comprising it

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102004038065A1 (en) * 2003-08-05 2005-03-10 Koito Mfg Co Ltd Lighting device for vehicles
EP1970617A1 (en) * 2007-03-15 2008-09-17 Koito Manufacturing Co., Ltd. Lamp unit
EP2028411A2 (en) * 2007-08-21 2009-02-25 Koito Manufacturing Co., Ltd. Vehicle cornering lamp
EP2322848A2 (en) * 2009-11-12 2011-05-18 Stanley Electric Co., Ltd. Vehicle light

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2861831B1 (en) * 2003-10-31 2006-01-20 Valeo Vision LIGHTING MODULE FOR VEHICLE PROJECTOR
JP2008041557A (en) * 2006-08-09 2008-02-21 Ichikoh Ind Ltd Lamp unit for vehicle headlight
JP4979565B2 (en) * 2007-12-14 2012-07-18 株式会社小糸製作所 Vehicle lighting

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102004038065A1 (en) * 2003-08-05 2005-03-10 Koito Mfg Co Ltd Lighting device for vehicles
EP1970617A1 (en) * 2007-03-15 2008-09-17 Koito Manufacturing Co., Ltd. Lamp unit
EP2028411A2 (en) * 2007-08-21 2009-02-25 Koito Manufacturing Co., Ltd. Vehicle cornering lamp
EP2322848A2 (en) * 2009-11-12 2011-05-18 Stanley Electric Co., Ltd. Vehicle light

Also Published As

Publication number Publication date
DE202010003058U1 (en) 2010-05-20
EP2366939A2 (en) 2011-09-21
CN102192460A (en) 2011-09-21
EP2366939B1 (en) 2020-06-17
CN102192460B (en) 2015-08-05

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