EP2372234A3 - Illumination device - Google Patents

Illumination device Download PDF

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Publication number
EP2372234A3
EP2372234A3 EP11156551.1A EP11156551A EP2372234A3 EP 2372234 A3 EP2372234 A3 EP 2372234A3 EP 11156551 A EP11156551 A EP 11156551A EP 2372234 A3 EP2372234 A3 EP 2372234A3
Authority
EP
European Patent Office
Prior art keywords
light
entry
elements
guiding
illumination device
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
EP11156551.1A
Other languages
German (de)
French (fr)
Other versions
EP2372234B1 (en
EP2372234A2 (en
Inventor
Martin Mügge
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.)
Hella GmbH and Co KGaA
Original Assignee
Hella KGaA Huek and Co
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 Hella KGaA Huek and Co filed Critical Hella KGaA Huek and Co
Publication of EP2372234A2 publication Critical patent/EP2372234A2/en
Publication of EP2372234A3 publication Critical patent/EP2372234A3/en
Application granted granted Critical
Publication of EP2372234B1 publication Critical patent/EP2372234B1/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
    • F21S43/00—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights
    • F21S43/30—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights characterised by reflectors
    • F21S43/31—Optical layout 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
    • 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
    • F21S43/236—Light guides characterised by the shape of the light guide
    • F21S43/241—Light guides characterised by the shape of the light guide of complex 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
    • 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
    • F21S43/242—Light guides characterised by the emission area
    • F21S43/243—Light guides characterised by the emission area emitting light from one or more of its extremities
    • 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
    • F21S43/249—Light guides with two or more light sources being coupled into the light guide
    • 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]

Abstract

Eine Beleuchtungseinrichtung (1) hat zumindest ein Leuchtmittel (2) und mindestens zwei diesem vorgelagerte Lichtleitelemente (11), die jeweils eine Lichteintrittsfläche (5) und eine davon beabstandete Lichtaustrittsfläche (6) aufweisen. Die Lichtleitelemente (11) sind jeweils derart ausgestaltet, dass das Licht des zumindest einen Leuchtmittels (2) zwischen der Lichteintrittsfläche (5) und der Lichtsaustrittsfläche (6) unter Ausnutzung der Totalreflexion an den Begrenzungswänden (7) des Lichtleitelements (11) in diesem in eine Hauptlichtleitrichtung (8) geführt. Die Lichtleitelemente (11) sind quer zur Hauptlichtleitrichtung (8) voneinander beabstandet. Zwischen mindestens einem Leuchtmittel (2) und der Lichteintrittsfläche (5) ist ein optischer Reflektor (4) angeordnet, der derart ausgestaltet ist, dass das von dem Leuchtmittel (2) ausgesendete Licht am Reflektor (4) derart zu den Lichteintrittsflächen (5) der mindestens zwei Lichtleitelemente (2) abgelenkt wird, dass es durch die Lichteintrittsflächen (5) hindurch in die Lichtleitelemente (11) eingekoppelt wird und im weiteren Verlauf seines Strahlengangs an den Lichtaustrittsflächen (6) aus diesen austritt. (Fig. 1)

Figure imgaf001
An illumination device (1) has at least one luminous means (2) and at least two upstream light-conducting elements (11), each having a light entry surface (5) and a light exit surface (6) spaced therefrom. The light-guiding elements (11) are each configured in such a way that the light of the at least one light-emitting means (2) between the light-entry surface (5) and the light-exit surface (6) exploits the total reflection at the boundary walls (7) of the light-guiding element (11) in this in a Hauptlichtleitrichtung (8) out. The light-guiding elements (11) are spaced apart from one another transversely to the main light-guiding direction (8). Between at least one light source (2) and the light entry surface (5), an optical reflector (4) is arranged, which is such that the light emitted by the light source (2) at the reflector (4) to the light entry surfaces (5) at least two light guide elements (2) is deflected such that it is coupled into the light guide elements (11) through the light entry surfaces (5) and emerges from the light exit surfaces (6) in the course of its beam path. (Fig. 1)
Figure imgaf001
EP11156551.1A 2010-03-25 2011-03-02 Illumination device Active EP2372234B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102010012747A DE102010012747A1 (en) 2010-03-25 2010-03-25 lighting device

Publications (3)

Publication Number Publication Date
EP2372234A2 EP2372234A2 (en) 2011-10-05
EP2372234A3 true EP2372234A3 (en) 2017-03-29
EP2372234B1 EP2372234B1 (en) 2021-07-07

Family

ID=44247967

Family Applications (1)

Application Number Title Priority Date Filing Date
EP11156551.1A Active EP2372234B1 (en) 2010-03-25 2011-03-02 Illumination device

Country Status (2)

Country Link
EP (1) EP2372234B1 (en)
DE (1) DE102010012747A1 (en)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102011055598B4 (en) * 2011-11-22 2023-09-28 HELLA GmbH & Co. KGaA Method for controlling at least one light function of a headlight or a lamp of a vehicle
DE102013205487A1 (en) * 2013-03-27 2014-10-02 Automotive Lighting Reutlingen Gmbh Motor vehicle light for dynamic lighting functions
DE102013222105B4 (en) * 2013-10-30 2015-09-03 Automotive Lighting Reutlingen Gmbh Automotive lighting device
DE102014110399A1 (en) 2014-07-23 2016-01-28 Dr. Ing. H.C. F. Porsche Aktiengesellschaft lighting device
US10066802B2 (en) 2014-09-30 2018-09-04 Maxell, Ltd. Vehicular lighting apparatus
DE102015201856A1 (en) * 2015-02-03 2016-08-04 Automotive Lighting Reutlingen Gmbh Motor vehicle headlight
US10875444B2 (en) 2016-02-16 2020-12-29 Rebo Lighting & Electronics, Llc Illumination device for a vehicle
FR3048057B1 (en) * 2016-02-18 2019-11-29 Valeo Vision HOMOGENEOUS PROGRESSIVE ILLUMINATION LUMINOUS DEVICE FOR A MOTOR VEHICLE
DE102017114476B4 (en) 2017-06-29 2022-03-10 Marelli Automotive Lighting Reutlingen (Germany) GmbH Lighting device of a motor vehicle
FR3099810A1 (en) * 2019-08-07 2021-02-12 Psa Automobiles Sa Optical element for luminous device with several photometric functions and anti-light leak wall.
CN117628423A (en) * 2022-08-12 2024-03-01 巨铠精密工业股份有限公司 Lamp set

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000133011A (en) * 1998-10-20 2000-05-12 Ichikoh Ind Ltd Luminaire for automobile
US20030123262A1 (en) * 2001-12-05 2003-07-03 Toyoda Gosei Co., Ltd. Light emitting apparatus and display
DE10219756A1 (en) * 2002-05-02 2004-02-19 Hella Kg Hueck & Co. Illumination device for motor vehicle, has reflector elements with common inner, and separate outer focal points; light reflected by first element can be switched between light conductors by control device
DE102008037264A1 (en) * 2008-08-11 2010-02-18 GM Global Technology Operations, Inc., Detroit Lamp glass for motor vehicle lamp, particularly rear lamp, has external disk for covering lamp housing, where external disk has attachment distant from external disk
EP2357396A2 (en) * 2010-02-08 2011-08-17 Automotive Lighting Reutlingen GmbH Motor vehicle lighting device with an integrated light

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10221683A1 (en) * 2002-05-16 2003-12-04 Hella Kg Hueck & Co vehicle light
DE10231326A1 (en) * 2002-07-11 2004-02-19 Hella Kg Hueck & Co. Light unit for automobile e.g. automobile headlamp, has spaced light source elements associated with light conduction elements positioned behind light disc
JP4118647B2 (en) * 2002-10-24 2008-07-16 株式会社小糸製作所 Vehicle sign light
DE102006036033A1 (en) * 2006-08-02 2008-02-07 Hella Kgaa Hueck & Co. Lighting unit for use at front end or rear end of motor vehicle, has laminar light conductor, whose rear side exhibiting dispersing area with high dispersing effect for formation of surface area of lighting unit
DE102007019688A1 (en) 2007-04-24 2008-10-30 Hella Kgaa Hueck & Co. Signal light for motor vehicles, has housing, in which light source unit and multiple light conducting elements are assigned to light source unit and housing is covered by translucent sealing disk

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000133011A (en) * 1998-10-20 2000-05-12 Ichikoh Ind Ltd Luminaire for automobile
US20030123262A1 (en) * 2001-12-05 2003-07-03 Toyoda Gosei Co., Ltd. Light emitting apparatus and display
DE10219756A1 (en) * 2002-05-02 2004-02-19 Hella Kg Hueck & Co. Illumination device for motor vehicle, has reflector elements with common inner, and separate outer focal points; light reflected by first element can be switched between light conductors by control device
DE102008037264A1 (en) * 2008-08-11 2010-02-18 GM Global Technology Operations, Inc., Detroit Lamp glass for motor vehicle lamp, particularly rear lamp, has external disk for covering lamp housing, where external disk has attachment distant from external disk
EP2357396A2 (en) * 2010-02-08 2011-08-17 Automotive Lighting Reutlingen GmbH Motor vehicle lighting device with an integrated light

Also Published As

Publication number Publication date
EP2372234B1 (en) 2021-07-07
DE102010012747A1 (en) 2011-09-29
EP2372234A2 (en) 2011-10-05

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