EP2578929A3 - Arrangement of overhead elements on a projection lens of a motor vehicle headlamp - Google Patents

Arrangement of overhead elements on a projection lens of a motor vehicle headlamp Download PDF

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Publication number
EP2578929A3
EP2578929A3 EP20120187226 EP12187226A EP2578929A3 EP 2578929 A3 EP2578929 A3 EP 2578929A3 EP 20120187226 EP20120187226 EP 20120187226 EP 12187226 A EP12187226 A EP 12187226A EP 2578929 A3 EP2578929 A3 EP 2578929A3
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EP
European Patent Office
Prior art keywords
overhead
elements
overhead elements
arrangement
motor 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
EP20120187226
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German (de)
French (fr)
Other versions
EP2578929B1 (en
EP2578929A2 (en
Inventor
Markus Kiesel
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
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Publication date
Application filed by Automotive Lighting Reutlingen GmbH filed Critical Automotive Lighting Reutlingen GmbH
Publication of EP2578929A2 publication Critical patent/EP2578929A2/en
Publication of EP2578929A3 publication Critical patent/EP2578929A3/en
Application granted granted Critical
Publication of EP2578929B1 publication Critical patent/EP2578929B1/en
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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
    • F21S41/20—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
    • F21S41/25—Projection lenses
    • F21S41/255—Lenses with a front view of circular or truncated circular outline
    • 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)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)

Abstract

Vorgestellt wird ein Verfahren zur Anordnung von Overhead-Elementen einer Projektionslinse eines Kraftfahrzeug-Projektionsscheinwerfers, wobei die Overhead-Elemente (34) dazu eingerichtet sind, Licht in einen über der Hell-Dunkel-Grenze liegenden Overhead-Bereich der Lichtverteilung des Scheinwerfers zu richten. Das Verfahren zeichnet sich dadurch aus, dass in einem ersten Schritt Teilbereiche (54,56,58) der Grenzfläche (26) definiert werden, dass in einem zweiten Schritt Overhead-Elemente (34) definiert werden, die in den im ersten Schritt definierten Teilbereichen angeordnet sind, dass eine aus den simulierten Overhead-Elementen resultierende Overhead-Beleuchtung simuliert wird, wobei die Simulation der definierten Overhead-Elemente dazu verwendet wird, eine Zahl und/oder Form der definierten Overhead-Elemente iterativ so zu verändern, dass die simulierte Overhead-Beleuchtung vorbestimmten Bedingungen genügt. Ein unabhängiger Anspruch richtet sich auf einen mit solchen Overhead-Elementen ausgestatteten Scheinwerfer.

Figure imgaf001
Disclosed is a method for the arrangement of overhead elements of a projection lens of a motor vehicle projection headlamp, wherein the overhead elements (34) are adapted to direct light in a light-dark overlying the overhead range of the light distribution of the headlamp. The method is characterized in that, in a first step, subareas (54, 56, 58) of the boundary surface (26) are defined, that in a second step, overhead elements (34) are defined, which are in the subareas defined in the first step arranged to simulate an overhead illumination resulting from the simulated overhead elements, wherein the simulation of the defined overhead elements is used to iteratively change a number and / or shape of the defined overhead elements such that the simulated overhead Lighting predetermined conditions is sufficient. An independent claim is directed to a headlamp equipped with such overhead elements.
Figure imgaf001
EP12187226.1A 2011-10-04 2012-10-04 Arrangement of overhead elements on a projection lens of a motor vehicle headlamp Active EP2578929B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102011114636A DE102011114636A1 (en) 2011-10-04 2011-10-04 Arrangement and dimensioning of overhead elements on a projection lens of a motor vehicle headlight

Publications (3)

Publication Number Publication Date
EP2578929A2 EP2578929A2 (en) 2013-04-10
EP2578929A3 true EP2578929A3 (en) 2015-04-29
EP2578929B1 EP2578929B1 (en) 2020-05-20

Family

ID=46968079

Family Applications (1)

Application Number Title Priority Date Filing Date
EP12187226.1A Active EP2578929B1 (en) 2011-10-04 2012-10-04 Arrangement of overhead elements on a projection lens of a motor vehicle headlamp

Country Status (2)

Country Link
EP (1) EP2578929B1 (en)
DE (1) DE102011114636A1 (en)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR3048485B1 (en) * 2016-03-02 2019-04-05 Valeo Vision IMPROVED LENS FOR LIGHTING DEVICE OF MOTOR VEHICLE
FR3064339B1 (en) * 2017-03-21 2020-10-30 Valeo Vision LIGHT MODULE WITH CHROMATISM CORRECTION
DE102020109869A1 (en) 2019-05-03 2020-11-05 Docter Optics Se Process for the production of an optical element from glass
US20220298050A1 (en) 2019-07-13 2022-09-22 Docter Optics Se Method for producing an optical element from glass
WO2021104558A1 (en) 2019-11-28 2021-06-03 Docter Optics Se Method for producing an optical element from glass
DE102020115079A1 (en) 2020-06-05 2021-12-09 Docter Optics Se Process for the production of an optical element from glass
EP3974709A1 (en) * 2020-09-25 2022-03-30 ZKW Group GmbH Lighting device for a motor vehicle headlight
DE102020127639A1 (en) 2020-10-20 2022-04-21 Docter Optics Se Process for manufacturing an optical element from glass
DE112021002952A5 (en) 2020-10-20 2023-04-13 Docter Optics Se Process for manufacturing an optical element from glass
US11708289B2 (en) 2020-12-03 2023-07-25 Docter Optics Se Process for the production of an optical element from glass
DE102022101728A1 (en) 2021-02-01 2022-08-04 Docter Optics Se Process for manufacturing an optical element from glass
DE102021105560A1 (en) 2021-03-08 2022-09-08 Docter Optics Se Process for manufacturing an optical element from glass
DE102022100705A1 (en) 2022-01-13 2023-07-13 Docter Optics Se motor vehicle
DE102022109270A1 (en) 2022-04-14 2023-10-19 Marelli Automotive Lighting Reutlingen (Germany) GmbH Projection light module for a motor vehicle headlight with a projection lens having overhead elements

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4031352A1 (en) * 1990-10-04 1992-04-09 Bosch Gmbh Robert Headlamp with achromatic lens combination for motor vehicle - has corrugations on convex face at angle to horizontal for diffusion of boundary of bright field
FR2770617A1 (en) * 1997-10-30 1999-05-07 Valeo Vision Elliptical headlamp for motor vehicle with less strongly cut off beam
DE10309434A1 (en) * 2003-03-05 2004-09-16 Hella Kg Hueck & Co. Headlights for vehicles
DE202005004080U1 (en) * 2005-03-14 2005-07-07 Zizala Lichtsysteme Gmbh Lens for vehicle headlamp has laterally adjacent elongated recesses and/or raised sections extending essentially from above downwards along surface of optical element on convex front side of lens
DE102004024107A1 (en) * 2004-05-14 2005-12-08 Docter Optics Gmbh Headlight lens for motor vehicle, has body with upper surface that is turned towards light source, where deformation or embossing/coinage is provided on surface to deflect/refract part of light into auxiliary light area that is outside area
JP2009238470A (en) * 2008-03-26 2009-10-15 Stanley Electric Co Ltd Vehicular head lamp
DE102009020593A1 (en) * 2009-05-09 2010-11-11 Automotive Lighting Reutlingen Gmbh For generating a defined overhead lighting vehicle headlights
US20110205748A1 (en) * 2010-02-24 2011-08-25 Yasushi Yatsuda Vehicle light and multi-focal lens

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE9000395U1 (en) 1990-01-16 1991-05-16 Robert Bosch Gmbh, 7000 Stuttgart Headlights for motor vehicles
US5307247A (en) 1992-09-22 1994-04-26 Autopal, Statni Podnik Headlamp for motor vehicles
FR2841512B1 (en) 2002-06-28 2005-01-07 Valeo Vision PROJECTOR DEVICE FOR A MOTOR VEHICLE LIGHTING PORTIC POINTS
FR2853394B1 (en) 2003-04-03 2006-03-10 Valeo Vision PROJECTION DEVICE FOR A MOTOR VEHICLE LIGHTING PORTIC POINTS
KR20090064724A (en) 2007-12-17 2009-06-22 현대모비스 주식회사 Head lamp for vehicles
DE102008023551B4 (en) 2008-05-14 2019-05-09 Automotive Lighting Reutlingen Gmbh Lighting device in the form of a projection headlight for motor vehicles
KR101491989B1 (en) 2008-12-16 2015-02-10 현대모비스 주식회사 Head lamp for vehicles

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4031352A1 (en) * 1990-10-04 1992-04-09 Bosch Gmbh Robert Headlamp with achromatic lens combination for motor vehicle - has corrugations on convex face at angle to horizontal for diffusion of boundary of bright field
FR2770617A1 (en) * 1997-10-30 1999-05-07 Valeo Vision Elliptical headlamp for motor vehicle with less strongly cut off beam
DE10309434A1 (en) * 2003-03-05 2004-09-16 Hella Kg Hueck & Co. Headlights for vehicles
DE102004024107A1 (en) * 2004-05-14 2005-12-08 Docter Optics Gmbh Headlight lens for motor vehicle, has body with upper surface that is turned towards light source, where deformation or embossing/coinage is provided on surface to deflect/refract part of light into auxiliary light area that is outside area
DE202005004080U1 (en) * 2005-03-14 2005-07-07 Zizala Lichtsysteme Gmbh Lens for vehicle headlamp has laterally adjacent elongated recesses and/or raised sections extending essentially from above downwards along surface of optical element on convex front side of lens
JP2009238470A (en) * 2008-03-26 2009-10-15 Stanley Electric Co Ltd Vehicular head lamp
DE102009020593A1 (en) * 2009-05-09 2010-11-11 Automotive Lighting Reutlingen Gmbh For generating a defined overhead lighting vehicle headlights
US20110205748A1 (en) * 2010-02-24 2011-08-25 Yasushi Yatsuda Vehicle light and multi-focal lens

Also Published As

Publication number Publication date
EP2578929B1 (en) 2020-05-20
DE102011114636A1 (en) 2013-04-04
EP2578929A2 (en) 2013-04-10

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