EP2442013A3 - Lighting device for a motor vehicle with a semiconductor light source and a reflector - Google Patents

Lighting device for a motor vehicle with a semiconductor light source and a reflector Download PDF

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Publication number
EP2442013A3
EP2442013A3 EP11184485.8A EP11184485A EP2442013A3 EP 2442013 A3 EP2442013 A3 EP 2442013A3 EP 11184485 A EP11184485 A EP 11184485A EP 2442013 A3 EP2442013 A3 EP 2442013A3
Authority
EP
European Patent Office
Prior art keywords
reflector
light
light source
semiconductor light
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
EP11184485.8A
Other languages
German (de)
French (fr)
Other versions
EP2442013B1 (en
EP2442013A2 (en
Inventor
Hubert Zwick
Hermann Kellermann
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 EP2442013A2 publication Critical patent/EP2442013A2/en
Publication of EP2442013A3 publication Critical patent/EP2442013A3/en
Application granted granted Critical
Publication of EP2442013B1 publication Critical patent/EP2442013B1/en
Not-in-force 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
    • F21S43/00—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights
    • F21S43/40—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights characterised by the combination of reflectors and refractors
    • 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]
    • 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
    • F21S41/148—Light 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
    • 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
    • F21S41/24—Light guides
    • 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
    • F21S41/28—Cover glass
    • 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
    • F21S41/337—Multi-surface reflectors, e.g. reflectors with facets or reflectors with portions of different curvature the reflector having a structured surface, e.g. with facets or corrugations
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S43/00—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights
    • F21S43/10—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights characterised by the light source
    • F21S43/13—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights characterised by the light source characterised by the type of light source
    • F21S43/14—Light emitting diodes [LED]
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S43/00—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights
    • F21S43/20—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights characterised by refractors, transparent cover plates, light guides or filters
    • F21S43/235—Light guides
    • F21S43/251—Light guides the light guides being used to transmit light from remote light sources
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S43/00—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights
    • F21S43/20—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights characterised by refractors, transparent cover plates, light guides or filters
    • F21S43/26—Refractors, transparent cover plates, light guides or filters not provided in groups F21S43/235 - F21S43/255

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)
  • Planar Illumination Modules (AREA)

Abstract

Vorgestellt wird eine Beleuchtungseinrichtung (10) für ein Kraftfahrzeug, mit einer Halbleiterlichtquelle (12) und einem Reflektor (14). Die Beleuchtungseinrichtung (10) zeichnet sich dadurch aus, dass sie einen Licht (16) der Halbleiterlichtquelle (12) aufnehmenden und auf einen Reflektor (14) richtenden Lichtleiter (18) aufweist, der eine ebene, Licht (16) der Halbleiterlichtquelle (12) aufnehmende Lichteintrittsfläche (20) und eine gekrümmte Lichtaustrittsfläche (22) aufweist, und dass der Reflektor (14) eine durch Schwenken eines Parabelabschnitts (24) um eine gedachte Achse (26) entstandene Grundform aufweist, wobei der Lichtleiter (18) und der Reflektor (14) relativ zueinander so angeordnet sind und die Lichtaustrittsfläche (22) des Lichtleiters (18) so gekrümmt ist, dass eine Brennlinie (28) des Reflektors (14), die sich beim Schwenken durch die Bewegung des Brennpunkts (30) des Parabelabschnitts (24) entsteht, in der Lichtaustrittsfläche (22) liegt.

Figure imgaf001
Presented is a lighting device (10) for a motor vehicle, with a semiconductor light source (12) and a reflector (14). The illumination device (10) is characterized in that it comprises a light (16) of the semiconductor light source (12) receiving and on a reflector (14) directing optical fiber (18) having a planar, light (16) of the semiconductor light source (12). receiving light input surface (20) and a curved light exit surface (22), and that the reflector (14) by pivoting a parabola portion (24) about an imaginary axis (26) resulting basic shape, wherein the light guide (18) and the reflector ( 14) are arranged relative to each other and the light exit surface (22) of the light guide (18) is curved such that a focal line (28) of the reflector (14), which during pivoting by the movement of the focal point (30) of the parabola portion (24 ) is formed in the light exit surface (22).
Figure imgaf001
EP11184485.8A 2010-10-15 2011-10-10 Lighting device for a motor vehicle with a semiconductor light source and a reflector Not-in-force EP2442013B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102010048660A DE102010048660A1 (en) 2010-10-15 2010-10-15 Lighting device for a motor vehicle with a semiconductor light source and a reflector

Publications (3)

Publication Number Publication Date
EP2442013A2 EP2442013A2 (en) 2012-04-18
EP2442013A3 true EP2442013A3 (en) 2014-05-07
EP2442013B1 EP2442013B1 (en) 2018-04-11

Family

ID=45470253

Family Applications (1)

Application Number Title Priority Date Filing Date
EP11184485.8A Not-in-force EP2442013B1 (en) 2010-10-15 2011-10-10 Lighting device for a motor vehicle with a semiconductor light source and a reflector

Country Status (2)

Country Link
EP (1) EP2442013B1 (en)
DE (1) DE102010048660A1 (en)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102011004349A1 (en) * 2011-02-17 2012-08-23 Automotive Lighting Reutlingen Gmbh Lighting device of a motor vehicle
DE102012215124B4 (en) * 2012-08-24 2018-11-08 Automotive Lighting Reutlingen Gmbh Lighting device with multiple light sources and light guide bodies and a reflector
DE102013205303A1 (en) 2013-03-26 2014-10-02 Automotive Lighting Reutlingen Gmbh Lighting device for a motor vehicle
DE102013215471A1 (en) 2013-08-06 2015-03-05 Automotive Lighting Reutlingen Gmbh Plate-shaped light guide element made of a transparent material and light module for a motor vehicle lighting device with such a light guide element
DE102013110345A1 (en) 2013-09-19 2015-04-02 Hella Kgaa Hueck & Co. Lighting device for vehicles
CN107940388B (en) * 2013-11-19 2019-04-23 三菱电机株式会社 Headlamp module and front lamp device
EP3169547B1 (en) 2014-07-15 2022-01-26 Lumileds LLC Vehicle lighting module
JP6479412B2 (en) * 2014-10-24 2019-03-06 スタンレー電気株式会社 Vehicle lighting
DE102015202595A1 (en) 2015-02-12 2016-08-18 Automotive Lighting Reutlingen Gmbh Lighting device of a vehicle
DE102015205732A1 (en) 2015-03-30 2016-10-06 Automotive Lighting Reutlingen Gmbh A plate-shaped light guide element, light guide element arrangement with a plurality of such light guide elements and motor vehicle light with such a light guide element or such a light guide element arrangement
FR3079596B1 (en) * 2018-03-30 2022-12-30 Valeo Vision OPTICAL DEVICE WITH OPTICAL GUIDE AND INDEXED REFLECTOR
CN108758546A (en) * 2018-08-09 2018-11-06 华域视觉科技(上海)有限公司 Dipped beam lamp reflector, dipped beam car light and automobile
DE102018125438A1 (en) 2018-10-15 2020-04-16 HELLA GmbH & Co. KGaA Lighting device for vehicles
DE102019129369A1 (en) * 2019-10-30 2021-05-06 Marelli Automotive Lighting Reutlingen (Germany) GmbH Light module, lighting device and motor vehicle

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10311317A1 (en) * 2003-03-14 2004-09-23 Volkswagen Ag Lighting device for vehicle, e.g. flashing light in external mirror, has several output coupling structures arranged on surface of light conductor to lie essentially at reflector surfaces focal point
DE102004011961A1 (en) * 2003-03-11 2004-10-07 Koito Manufacturing Co., Ltd. vehicle light
US20040208019A1 (en) * 2003-03-11 2004-10-21 Koito Manufacturing Co., Ltd. Vehicular lamp
DE10336162A1 (en) * 2003-08-07 2005-02-24 Schefenacker Vision Systems Germany Gmbh & Co. Kg Lighting unit with light source and light guide
EP1744096A2 (en) * 2005-07-13 2007-01-17 Hella KG Hueck & Co. Vehicle light
DE102008012195A1 (en) * 2008-03-03 2009-09-10 Hella Kgaa Hueck & Co. Illumination device for motor vehicle, has flat light conducting element containing two flat sides and multiple narrow sides connected by flat sides, where light source is provided to narrow side of flat light conducting element
FR2934353A1 (en) * 2008-07-25 2010-01-29 Valeo Vision Sas Optical system for producing light beams in e.g. signaling or lighting device of motor vehicle, has reflector elements arranged at central zone's portion of diffusion module, and deviating light rays towards front of system
DE102008038668A1 (en) * 2008-08-12 2010-02-18 Hella Kgaa Hueck & Co. Signal light for use in motor vehicle for production of e.g. rear light, has lateral surface segment forming light decoupling surface of rod-shaped light guiding element and arranged at longitudinal side of light guiding element

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102004011961A1 (en) * 2003-03-11 2004-10-07 Koito Manufacturing Co., Ltd. vehicle light
US20040208019A1 (en) * 2003-03-11 2004-10-21 Koito Manufacturing Co., Ltd. Vehicular lamp
DE10311317A1 (en) * 2003-03-14 2004-09-23 Volkswagen Ag Lighting device for vehicle, e.g. flashing light in external mirror, has several output coupling structures arranged on surface of light conductor to lie essentially at reflector surfaces focal point
DE10336162A1 (en) * 2003-08-07 2005-02-24 Schefenacker Vision Systems Germany Gmbh & Co. Kg Lighting unit with light source and light guide
EP1744096A2 (en) * 2005-07-13 2007-01-17 Hella KG Hueck & Co. Vehicle light
DE102008012195A1 (en) * 2008-03-03 2009-09-10 Hella Kgaa Hueck & Co. Illumination device for motor vehicle, has flat light conducting element containing two flat sides and multiple narrow sides connected by flat sides, where light source is provided to narrow side of flat light conducting element
FR2934353A1 (en) * 2008-07-25 2010-01-29 Valeo Vision Sas Optical system for producing light beams in e.g. signaling or lighting device of motor vehicle, has reflector elements arranged at central zone's portion of diffusion module, and deviating light rays towards front of system
DE102008038668A1 (en) * 2008-08-12 2010-02-18 Hella Kgaa Hueck & Co. Signal light for use in motor vehicle for production of e.g. rear light, has lateral surface segment forming light decoupling surface of rod-shaped light guiding element and arranged at longitudinal side of light guiding element

Also Published As

Publication number Publication date
EP2442013B1 (en) 2018-04-11
DE102010048660A1 (en) 2012-04-19
EP2442013A2 (en) 2012-04-18

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