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EP2799761A3 - Light module for a motor vehicle headlamp - Google Patents

Light module for a motor vehicle headlamp Download PDF

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Publication number
EP2799761A3
EP2799761A3 EP14160613.7A EP14160613A EP2799761A3 EP 2799761 A3 EP2799761 A3 EP 2799761A3 EP 14160613 A EP14160613 A EP 14160613A EP 2799761 A3 EP2799761 A3 EP 2799761A3
Authority
EP
European Patent Office
Prior art keywords
light
diaphragm
motor vehicle
light module
passes
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
EP14160613.7A
Other languages
German (de)
French (fr)
Other versions
EP2799761B1 (en
EP2799761A2 (en
Inventor
Wolfgang Hossfeld
Christian Buchberger
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
Application filed by Automotive Lighting Reutlingen GmbH filed Critical Automotive Lighting Reutlingen GmbH
Publication of EP2799761A2 publication Critical patent/EP2799761A2/en
Publication of EP2799761A3 publication Critical patent/EP2799761A3/en
Application granted granted Critical
Publication of EP2799761B1 publication Critical patent/EP2799761B1/en
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
    • F21S41/10—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
    • F21S41/20—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by refractors, transparent cover plates, light guides or filters
    • F21S41/25—Projection lenses
    • 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
    • F21S41/275—Lens surfaces, e.g. coatings or surface structures
    • 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
    • F21S41/321—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
    • F21S41/322—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
    • F21S41/33—Multi-surface reflectors, e.g. reflectors with facets or reflectors with portions of different curvature
    • F21S41/338—Multi-surface reflectors, e.g. reflectors with facets or reflectors with portions of different curvature the reflector having surface portions added to its general concavity
    • 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
    • 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
    • F21W2102/17—Arrangement or contour of the emitted light for regions other than high beam or low beam
    • F21W2102/18—Arrangement or contour of the emitted light for regions other than high beam or low beam for overhead signs

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)
  • Lighting Device Outwards From Vehicle And Optical Signal (AREA)

Abstract

Vorgestellt wird ein Lichtmodul (14) für einen Kraftfahrzeugscheinwerfer, mit einer Primäroptik (25), die von einer Lichtquelle ausgehendes Licht in eine Zwischenlichtverteilung überführt, wobei eine Blende (26) in Bezug auf eine Sekundäroptik (28) so angeordnet ist, dass Licht der Zwischenlichtverteilung, das auf einer ersten Seite (19) der Blende an der Blende vorbeigelangt, in einem ersten Strahlengang (31, 32) in einen auf einer ersten Seite der Hell-Dunkel-Grenze in der zweiten Lichtverteilung liegenden Bereich gelangt. Das Lichtmodul zeichnet sich dadurch aus, dass die Primäroptik dazu eingerichtet ist, einen Teil des von der Lichtquelle ausgehenden Lichtes so umzulenken, dass es auf einer zweiten Seite (20) der Blende an der Blende vorbei gelangt und von der Sekundäroptik in einem zweiten Strahlengang (33) in einen auf einer zweiten Seite der Hell-Dunkel-Grenze in der zweiten Lichtverteilung liegenden Bereich verteilt wird.

Figure imgaf001
The invention relates to a light module (14) for a motor vehicle headlight, having a primary optic (25) which converts light emanating from a light source into an intermediate light distribution, wherein a diaphragm (26) is arranged with respect to a secondary optic (28) such that light of the Intermediate light distribution, which passes on a first side (19) of the diaphragm at the diaphragm, passes in a first beam path (31, 32) in a lying on a first side of the light-dark boundary in the second light distribution area. The light module is characterized in that the primary optics is adapted to divert a part of the light emitted by the light source so that it passes on a second side (20) of the diaphragm on the diaphragm and of the secondary optics in a second beam path ( 33) is distributed to a region located on a second side of the cut-off line in the second light distribution.
Figure imgaf001
EP14160613.7A 2013-04-29 2014-03-19 Light module for a motor vehicle headlamp Active EP2799761B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102013207850.1A DE102013207850A1 (en) 2013-04-29 2013-04-29 Light module for a motor vehicle headlight

Publications (3)

Publication Number Publication Date
EP2799761A2 EP2799761A2 (en) 2014-11-05
EP2799761A3 true EP2799761A3 (en) 2016-08-31
EP2799761B1 EP2799761B1 (en) 2020-10-14

Family

ID=50289534

Family Applications (1)

Application Number Title Priority Date Filing Date
EP14160613.7A Active EP2799761B1 (en) 2013-04-29 2014-03-19 Light module for a motor vehicle headlamp

Country Status (4)

Country Link
US (1) US9249943B2 (en)
EP (1) EP2799761B1 (en)
CN (1) CN104121535B (en)
DE (1) DE102013207850A1 (en)

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JP6322931B2 (en) 2013-08-29 2018-05-16 市光工業株式会社 Vehicle lighting
JP6331797B2 (en) * 2014-07-14 2018-05-30 ウシオ電機株式会社 In-vehicle light source device
DE102014019344A1 (en) * 2014-12-22 2016-06-23 GM Global Technology Operations LLC (n. d. Ges. d. Staates Delaware) Motor vehicle headlight, vehicle headlight system, motor vehicle and method for operating a motor vehicle
CN104849844A (en) * 2015-03-19 2015-08-19 浙江大学 Dish type Fresnel reflection concentration method and apparatus thereof
DE112016002315T5 (en) * 2015-05-22 2018-03-01 Mitsubishi Electric Corporation Headlight module and headlight device
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CN105258057B (en) * 2015-11-03 2017-11-03 西安睿莱特汽车科技有限公司 A kind of LED headlight for vehicle
CN105276487A (en) * 2015-11-25 2016-01-27 海盐丽光电子科技有限公司 High beam and low beam integrated LED automobile lens
AT518083B1 (en) * 2015-12-22 2017-07-15 Zkw Group Gmbh Headlamp for vehicles with at least one laser light module
FR3048065B1 (en) * 2016-02-23 2019-11-29 Valeo Vision LIGHT-EMITTING LIGHT MODULE AND DEVICE FOR MOTOR VEHICLE
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CN106195665A (en) * 2016-08-24 2016-12-07 常州星宇车灯股份有限公司 The double optical lens module of many granules LED
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CN110220158B (en) * 2019-05-20 2020-04-21 华域视觉科技(上海)有限公司 Optical device for vehicle lamp, vehicle lighting device, and vehicle
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DE102019128320B4 (en) 2019-10-21 2025-03-13 Automotive Lighting Reutlingen Gmbh Motor vehicle lighting device for emitting a dimmed light distribution
EP3839324A1 (en) 2019-12-16 2021-06-23 ZKW Group GmbH Lighting device for a motor vehicle headlight
EP3839327A1 (en) * 2019-12-20 2021-06-23 ZKW Group GmbH Projection module for a motor vehicle headlight
KR102739073B1 (en) * 2019-12-27 2024-12-05 에스엘 주식회사 Lamp module for vehicle
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CN211694701U (en) * 2020-01-20 2020-10-16 华域视觉科技(上海)有限公司 Headlamp optical element, headlamp module, lamp and vehicle
CN113137585A (en) * 2020-01-20 2021-07-20 华域视觉科技(上海)有限公司 Headlamp optical element, lamp module, lamp and vehicle
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EP3971471B1 (en) * 2020-09-21 2024-01-03 ZKW Group GmbH Lighting device for a motor vehicle headlamp for generating a base light distribution with signlight
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Also Published As

Publication number Publication date
US20140321143A1 (en) 2014-10-30
CN104121535B (en) 2018-06-12
EP2799761B1 (en) 2020-10-14
US9249943B2 (en) 2016-02-02
EP2799761A2 (en) 2014-11-05
DE102013207850A1 (en) 2014-10-30
CN104121535A (en) 2014-10-29

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