EP3699486A1 - Phare pourvu d'une pluralité de sources lumineuses à semi-conducteurs et d'un champ optique primaire en une pièce - Google Patents

Phare pourvu d'une pluralité de sources lumineuses à semi-conducteurs et d'un champ optique primaire en une pièce Download PDF

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Publication number
EP3699486A1
EP3699486A1 EP20159053.6A EP20159053A EP3699486A1 EP 3699486 A1 EP3699486 A1 EP 3699486A1 EP 20159053 A EP20159053 A EP 20159053A EP 3699486 A1 EP3699486 A1 EP 3699486A1
Authority
EP
European Patent Office
Prior art keywords
primary optics
light
headlight
primary
optics
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
EP20159053.6A
Other languages
German (de)
English (en)
Other versions
EP3699486B1 (fr
Inventor
Dominik Wiedmaier
Henning Vogt
Philip Rudolf
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
Marelli Automotive Lighting Reutlingen Germany 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.)
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Publication date
Application filed by Marelli Automotive Lighting Reutlingen Germany GmbH filed Critical Marelli Automotive Lighting Reutlingen Germany GmbH
Publication of EP3699486A1 publication Critical patent/EP3699486A1/fr
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Publication of EP3699486B1 publication Critical patent/EP3699486B1/fr
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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
    • F21S41/10—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]
    • F21S41/151—Light emitting diodes [LED] arranged in one or more lines
    • 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
    • F21S41/10—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]
    • F21S41/151—Light emitting diodes [LED] arranged in one or more lines
    • F21S41/153—Light emitting diodes [LED] arranged in one or more lines arranged in a matrix
    • 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
    • F21S41/265—Composite lenses; Lenses with a patch-like shape
    • 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
    • F21S41/60—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
    • F21W2102/13—Arrangement or contour of the emitted light for high-beam region or low-beam region
    • F21W2102/165—Arrangement or contour of the emitted light for high-beam region or low-beam region the borderlines between emitted regions and dark regions other than cut-off lines being variable

Definitions

  • a specific application of a projection system with matrix-like arranged semiconductor light sources and primary optics for high beam functions is from DE 10 2008 036 193 A1 known.
  • the DE 10 2008 013 603 B4 as well as the DE 10 2008 044 967 B4 show details of an optical concept that works with a primary optics array and a secondary optics in the form of a lens.
  • This so-called primary optics array consists of a matrix arranged imaging elements that shape the light emanating from semiconductor light sources by total internal reflections on side surfaces of the imaging elements.
  • the DE 10 2008 044 968 A1 shows a light distribution of such a multi-row matrix system.
  • the light exit surface is mapped directly by the secondary optics as a headlight distribution.
  • the local intensities on the light exit surface are mapped directly onto the street.
  • Another preferred embodiment is characterized in that the optical surfaces (ie the light entry surfaces and the light exit surfaces) of the primary optics subregions are not all the same in the line direction lying transversely to their optical axis Have width. It is particularly advantageous to provide smaller primary optics sub-areas in the central area of the line than in the outer edge areas. Since each primary optics sub-area preferably converts light from exactly one semiconductor light source and the semiconductor light sources are preferably identical to one another, greater brightness and better resolution of the light distribution in their central area is achieved. At the same time, with an appropriate configuration of the outer primary optics subareas, a desired small brightness gradient can be achieved in the outer areas of the light distribution.
  • Another preferred embodiment is characterized in that the one-piece primary optics field is one-line.
  • a single-line version is particularly suitable for Generation of a high beam distribution and / or a partial high beam distribution.
  • the primary optical field has a two-line area and a single-line area, and that the two-line area extends in the line direction only over part of the length of the single-line area lying in the line direction.
  • such a matrix system can be adapted to new customer requirements simply by changing the individual lens elements within the ancillary optics, without having to rework a large number of components, which is time-consuming and costly.
  • the primary optics field in conjunction with a projection lens as secondary optics, due to only two optical components, leads to a robust system that has very low demands on manufacturing tolerances.
  • a complex adjustment of the optical components (primary optics field and secondary optics) to one another is not necessary.
  • the invention can be used to generate individual types of light distribution (mono function, single-line, high-beam function) and several types of light distribution (bi-function, multi-line, for example a combination of low beam and high beam functions). With a bi-function, some of the segments contribute to the low beam. These segments are usually arranged in the lower area of the light distribution. The remaining segments arranged further up form the matrix light distribution for a partial high beam function and a high beam function. Due to the one-piece primary optics field according to the invention, further optical components can possibly be dispensed with and thus considerable costs can be saved. The complexity of the overall system decreases.
  • rays that have entered the primary optics through the entry surface of the primary optics can also enter adjacent channels there in a disruptive manner due to total reflection. This possibility is also reduced by the sharp transition edges and pronounced curvature of the surfaces.
  • Figure 8 shows an embodiment of a primary optics component 32 with a two-line primary optics field 10
  • Figure 9 shows an embodiment of a primary optics component 34 with a single-line primary optics field 10.
  • Both Figures 8, 9 show the respective primary optics field 10 as part of a one-piece, simply constructed primary optics component 32, 34 which, in addition to the respective primary optics field 10, has screw-on points 36 and possibly also reference structures 38 in a frame structure 40 that are used for positioning.
  • This lens design also results in the design of the primary lens array in FIG Figure 8 in which the frame structure only runs above the lens array, while in the single-line primary optics component the frame structure can enclose the lens line ( Figure 9 ).
  • Figure 10 shows an embodiment of a motor vehicle headlight 42 according to the invention in the intended position in a horizontal section.
  • the headlight 42 has a housing 44, the light exit opening of which is covered by a transparent cover plate 46.
  • a transparent cover plate 46 Inside the housing 44 are a plurality of semiconductor light sources 22, for example LEDs, a one-piece primary optics field 10 and a secondary optics 48 arranged.
  • the secondary optics 48 is, for example, a cylinder lens which has a converging cross section in the xz plane, for example a plano-convex or biconvex cross section.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Optics & Photonics (AREA)
  • Mathematical Physics (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
EP20159053.6A 2019-02-25 2020-02-24 Phare pourvu d'une pluralité de sources lumineuses à semi-conducteurs et d'un champ optique primaire en une pièce Active EP3699486B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102019104722.6A DE102019104722A1 (de) 2019-02-25 2019-02-25 Scheinwerfer mit einer Mehrzahl von Halbleiterlichtquellen und einem einstückigen Primäroptikfeld

Publications (2)

Publication Number Publication Date
EP3699486A1 true EP3699486A1 (fr) 2020-08-26
EP3699486B1 EP3699486B1 (fr) 2023-08-30

Family

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Family Applications (1)

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EP20159053.6A Active EP3699486B1 (fr) 2019-02-25 2020-02-24 Phare pourvu d'une pluralité de sources lumineuses à semi-conducteurs et d'un champ optique primaire en une pièce

Country Status (2)

Country Link
EP (1) EP3699486B1 (fr)
DE (1) DE102019104722A1 (fr)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2022090642A1 (fr) * 2020-10-29 2022-05-05 Psa Automobiles Sa Fixation d'une lentille de module lumineux de vehicule
US20220205608A1 (en) * 2020-12-30 2022-06-30 Sl Corporation Lamp for vehicle
WO2023030808A1 (fr) * 2021-08-31 2023-03-09 Valeo Vision Module lumineux pour vehicule automobile
WO2024094280A1 (fr) * 2022-10-31 2024-05-10 HELLA GmbH & Co. KGaA Phare pour un véhicule automobile

Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102008044968A1 (de) 2008-08-29 2009-07-30 Daimler Ag Beleuchtungsvorrichtung mit mehreren auf einer Leuchtfläche angeordneten Lichtquellen
DE102008036193A1 (de) 2008-08-02 2010-02-04 Automotive Lighting Reutlingen Gmbh Beleuchtungseinrichtung für ein Kraftfahrzeug
DE102008044967B4 (de) 2008-08-29 2010-10-07 Daimler Ag Beleuchtungsvorrichtung mit mehreren Halbleiterlichtquellen
US7815350B2 (en) 2005-04-21 2010-10-19 Magna International Inc. Headlamp with beam patterns formed from semiconductor light sources
DE102009053581B3 (de) 2009-10-05 2011-03-03 Automotive Lighting Reutlingen Gmbh Lichtmodul für eine Beleuchtungseinrichtung eines Kraftfahrzeugs
EP2306075A2 (fr) * 2009-10-05 2011-04-06 Automotive Lighting Reutlingen GmbH Phare de véhicule automobile dirigé de manière à produire différentes répartitions de la lumière et doté de sources semi-conductrices
EP2799761A2 (fr) * 2013-04-29 2014-11-05 Automotive Lighting Reutlingen GmbH Module d'éclairage de phare de véhicule automobile
DE102013112639A1 (de) 2013-07-24 2015-01-29 Hyundai Motor Company Scheinwerfer für ein Fahrzeug, welcher ein blendfreies Fernlicht erzeugt
DE102013214116B4 (de) 2013-07-18 2015-05-07 Automotive Lighting Reutlingen Gmbh Scheinwerfer für ein blendungsfreies Fernlicht
DE102008013603B4 (de) 2008-03-11 2017-06-22 Automotive Lighting Reutlingen Gmbh Lichtmodul für eine Beleuchtungseinrichtung
DE102017112971A1 (de) * 2017-06-13 2018-12-13 Automotive Lighting Reutlingen Gmbh Kraftfahrzeugscheinwerfer mit wenigstens zwei Ausgangsteillinsen aufweisenden Mikroprojektionsmodulen

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102011085315A1 (de) * 2011-10-27 2013-05-02 Automotive Lighting Reutlingen Gmbh Scheinwerferprojektionsmodul für ein Kraftfahrzeug
DE102014210500A1 (de) * 2014-06-03 2015-12-03 Osram Gmbh Optik für eine Fahrzeug-Beleuchtungseinrichtung
WO2018172140A1 (fr) * 2017-03-21 2018-09-27 Lumileds Holding B.V. Module optique et système d'éclairage frontal automobile pour véhicule à moteur
DE102017213103A1 (de) * 2017-07-28 2019-01-31 Osram Gmbh Beleuchtungssystem und scheinwerfer

Patent Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7815350B2 (en) 2005-04-21 2010-10-19 Magna International Inc. Headlamp with beam patterns formed from semiconductor light sources
DE102008013603B4 (de) 2008-03-11 2017-06-22 Automotive Lighting Reutlingen Gmbh Lichtmodul für eine Beleuchtungseinrichtung
DE102008036193A1 (de) 2008-08-02 2010-02-04 Automotive Lighting Reutlingen Gmbh Beleuchtungseinrichtung für ein Kraftfahrzeug
DE102008044968A1 (de) 2008-08-29 2009-07-30 Daimler Ag Beleuchtungsvorrichtung mit mehreren auf einer Leuchtfläche angeordneten Lichtquellen
DE102008044967B4 (de) 2008-08-29 2010-10-07 Daimler Ag Beleuchtungsvorrichtung mit mehreren Halbleiterlichtquellen
DE102009053581B3 (de) 2009-10-05 2011-03-03 Automotive Lighting Reutlingen Gmbh Lichtmodul für eine Beleuchtungseinrichtung eines Kraftfahrzeugs
EP2306075A2 (fr) * 2009-10-05 2011-04-06 Automotive Lighting Reutlingen GmbH Phare de véhicule automobile dirigé de manière à produire différentes répartitions de la lumière et doté de sources semi-conductrices
EP2799761A2 (fr) * 2013-04-29 2014-11-05 Automotive Lighting Reutlingen GmbH Module d'éclairage de phare de véhicule automobile
DE102013214116B4 (de) 2013-07-18 2015-05-07 Automotive Lighting Reutlingen Gmbh Scheinwerfer für ein blendungsfreies Fernlicht
DE102013112639A1 (de) 2013-07-24 2015-01-29 Hyundai Motor Company Scheinwerfer für ein Fahrzeug, welcher ein blendfreies Fernlicht erzeugt
DE102017112971A1 (de) * 2017-06-13 2018-12-13 Automotive Lighting Reutlingen Gmbh Kraftfahrzeugscheinwerfer mit wenigstens zwei Ausgangsteillinsen aufweisenden Mikroprojektionsmodulen

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2022090642A1 (fr) * 2020-10-29 2022-05-05 Psa Automobiles Sa Fixation d'une lentille de module lumineux de vehicule
FR3115856A1 (fr) * 2020-10-29 2022-05-06 Psa Automobiles Sa Fixation d’une lentille de module lumineux de vehicule
US20220205608A1 (en) * 2020-12-30 2022-06-30 Sl Corporation Lamp for vehicle
US11644170B2 (en) * 2020-12-30 2023-05-09 Sl Corporation Lamp for vehicle
WO2023030808A1 (fr) * 2021-08-31 2023-03-09 Valeo Vision Module lumineux pour vehicule automobile
FR3127547A1 (fr) * 2021-08-31 2023-03-31 Valeo Vision Module lumineux à sources à partie émissive maximisée
WO2024094280A1 (fr) * 2022-10-31 2024-05-10 HELLA GmbH & Co. KGaA Phare pour un véhicule automobile

Also Published As

Publication number Publication date
EP3699486B1 (fr) 2023-08-30
DE102019104722A1 (de) 2020-08-27

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