EP1077344A2 - Lampe - Google Patents

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Publication number
EP1077344A2
EP1077344A2 EP00116700A EP00116700A EP1077344A2 EP 1077344 A2 EP1077344 A2 EP 1077344A2 EP 00116700 A EP00116700 A EP 00116700A EP 00116700 A EP00116700 A EP 00116700A EP 1077344 A2 EP1077344 A2 EP 1077344A2
Authority
EP
European Patent Office
Prior art keywords
light
reflector
luminaire according
light source
reflectors
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.)
Withdrawn
Application number
EP00116700A
Other languages
German (de)
English (en)
Other versions
EP1077344A3 (fr
Inventor
Daniel Matthie
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.)
FER Fahrzeugelektrik GmbH
Original Assignee
FER Fahrzeugelektrik 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
Priority claimed from DE19938734A external-priority patent/DE19938734A1/de
Priority claimed from DE20004188U external-priority patent/DE20004188U1/de
Application filed by FER Fahrzeugelektrik GmbH filed Critical FER Fahrzeugelektrik GmbH
Publication of EP1077344A2 publication Critical patent/EP1077344A2/fr
Publication of EP1077344A3 publication Critical patent/EP1077344A3/fr
Withdrawn legal-status Critical Current

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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
    • 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
    • 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]

Definitions

  • the invention relates to a lamp, in particular a vehicle lamp in the Preamble of Claim 1 Art.
  • the invention is therefore based on the object of a lamp, in particular To create vehicle lamp of the type mentioned, which is characterized by a very simple construction, small dimensions and the production of an extremely homogeneous light beam.
  • the invention provides that summarized in claim 1 Characteristics before.
  • the light source having a directional radiation characteristic to arrange the reflector so that the light source central axis to the main emission direction of the reflector is not parallel and in particular not with this coincides.
  • the light source is arranged that their central axis at a preferably acute angle against the Main emission direction of the reflector is inclined.
  • the reflector it is not necessary to use the reflector as a complete, rotationally symmetrical To form hollow bodies, for example as a complete hollow parabola. Much more it is sufficient to make only those areas of the curved reflector surface real execute that actually from the light cone emanating from the light source to be hit.
  • parabolic reflector In the case of a parabolic reflector, one can change in the direction of radiation opposite viewing direction or projection on three side edges result in a straight-cut parabolic surface.
  • the light source can in the immediate vicinity of the straight connecting edge of two in the projection straight and parallel to each other side edges arranged so inclined be that they are practically outside of that reflected by the reflector Light beam is located and no essential parts of the reflective Concealed inside surface of the reflector.
  • Fig. 1 shows an arrangement corresponding to the prior art, in which a Light source, for example a light emitting diode 1, has a directional radiation characteristic such that it has its light symmetrical about a light source central axis 2 emitted distributed in a defined solid angle. It is in from behind a parabolically curved reflector 3 is used so that it is approximately is in its focal point and it is part of that emitted by the light-emitting diode 1 Reflects light and it forms an approximately parallel bundle of light 6 collects, which is symmetrical to the main radiation direction 5, which with the Light source central axis 2 coincides.
  • a Light source for example a light emitting diode 1
  • a Light source central axis 2 has a directional radiation characteristic such that it has its light symmetrical about a light source central axis 2 emitted distributed in a defined solid angle. It is in from behind a parabolically curved reflector 3 is used so that it is approximately is in its focal point and it is part of that
  • the entire inner surface of the reflector 3 are illuminated. Then this has if no further measures are taken, the result is that in a an appearance that is opposite to the direction of radiation gives an appearance, at which a central bright point, that of the direct light of the LED is formed, is surrounded by a dark ring, the unlit Part of the reflector surface comes and is surrounded by a bright ring is formed by the light of the light emitting diode 1 reflected by the reflector 3.
  • the LED 10 laterally from a partially parabolic Reflector 12 arranged so that the central axis 14 of the emitted by it Beam of light in the coinciding with the plane of the drawing in Fig. 2b Main plane 8 of the reflector lies, but in this the main emission direction 16 of the reflector 12 is directed obliquely.
  • This is practically the case total light emitted by the light emitting diode 10 onto the reflector 12 and is transmitted by this as an almost parallel beam of light.
  • the light emitting diode 10 covers practically no reflective surface areas of the reflector 12, so that a maximum light output and a homogeneous appearance in particular also with one opposite to the direction of radiation Viewing direction can be achieved.
  • Fig. 3 shows a perspective view of a light emitting diode 10, which is similar 2a and 2b is arranged opposite a reflector 12, However, the reflective inner surface is not smooth but divided into facets 18 whose size, shape and orientation vary within wide limits can be. These facets 18 are preferably designed such that each they produce roughly the same light distribution. Such an arrangement is particularly advantageous if the vehicle lamp described is not as Headlights but should serve as a signal light when viewed the most uniform possible appearance from different angles must offer.
  • FIGS. 2a and 2b show four row-like ", that is to say in a row of light-emitting diodes 10 arranged next to one another, each of which, as shown in FIGS. 2a and 2b for only one light-emitting diode, is directed towards an associated reflector 12.
  • the reflectors 12 are connected to one another at their adjacent side edges , so that there is a one-piece reflector arrangement 20.
  • This embodiment is particularly advantageous if an elongated vehicle lamp which is comparatively narrow perpendicular to the longitudinal direction is to be created, and the reflectors 12 can have a smooth reflective surface or the like, as shown in FIG 3, the latter also applies to all reflectors which are used in connection with the exemplary embodiments described below.
  • FIG. 5 shows three "column-like" reflectors 12, 12 arranged next to one another associated light sources 10, 10, the light source 10, which corresponds to that shown in FIG. each higher reflector 12 belongs in the region of the side edge of the underlying reflector 12 is arranged behind this, the side edge opposite, in the area of which belongs to the lower reflector Light source 10 is located.
  • This arrangement is only shown schematically here corresponding concrete embodiment of an inventive Vehicle lamp will be discussed below with reference to FIGS. 9 and 10 explained in more detail.
  • Fig. 6 shows one Matrix-like "reflector arrangement which comprises two reflector lines 20 and 20 ', each of which corresponds to the arrangement shown in FIG. 4 and which are arranged such that two of their longitudinal edges are adjacent to one another and all the main emission directions are parallel to one another.
  • the diode group belonging to the upper reflector line 20' in Fig. 6 lies behind the upper one Long edge of the lower reflector line 20 and is covered by this.
  • the embodiment shown in FIG. 7 also comprises two reflector lines 20 and 20 ', each of which consists of four reflectors 12 arranged side by side. But here are not only the side by side reflectors on theirs adjacent side edges but also the two rows of reflectors 20 and 20 ' integrally connected to one another at their adjacent longitudinal edges. All main emission directions are parallel to each other and those to the reflector line Group 20 'belonging to light-emitting diodes 10 is in the area of the upper one in FIG. 7 Longitudinal edge of the reflector line 20 'arranged, while the lower reflector line 20 belonging light emitting diodes 10 are positioned in the same way, as described in connection with FIGS. 4 and 6.
  • Fig. 8 are six reflectors 12, each of which has the shape of a parabolic segment, arranged and connected to one another, that they have a radially symmetrical reflector arrangement 25 about the x-axis form and their main emission directions are parallel to the x-axis.
  • the associated LEDs 10, of which in the perspective view of FIG. 8 only three are visible, are so close to the x-axis of the reflector arrangement 25 arranged that the central axis of the light beam emitted by them is directed into the associated reflector 12.
  • a disc 27 which also serves as a carrier can serve for the light emitting diodes 10.
  • the Reflector arrangement 25 At its outer peripheral edge is the Reflector arrangement 25 with a circular cylindrical protruding in the direction of the x-axis Boundary element 28 connected, the inner surface also mirrored can be.
  • FIGS. 9 and 10 is a concrete embodiment for an inventive Shown light, which is designed here as a side flashing light 30, such as it can be installed in the exterior rear-view mirror of a motor vehicle.
  • a matrix-like reflector arrangement similar to that 6 arrangement provided, but in each "line” only two reflectors 12 and in each "column” three reflectors 12 side by side are arranged.
  • the entire reflector arrangement is opposite to that 4 to 6 rotated by 90 °, so that from the "lines” there in FIGS. 9 and 10 "Columns” and from the “Columns” there in the installation position in a horizontal Direction "lines" have become.
  • the three reflectors 12 are so easily one behind the other staggered or arranged so that their marked by the arrows F. Beam directions are essentially parallel to each other and coincide approximately with the direction of travel of the motor vehicle, not shown.
  • the middle and the right-hand light emitting diode 10 in FIG. 9 are arranged in such a way that they are from the adjacent reflector 12 in the direction of radiation opposite direction of view and thus, as shown in Fig. 10, are not visible in this direction.
  • the light exit disc can be used 31 have an optical structure.
  • the reflectors 12 with facets or one To provide corrugation or the like.
  • the light for the arrows F that is, the direction of travel almost opposite Direction of radiation is generated with the help of one or more light-emitting diodes 33, which have approximately the same orientation as the other light-emitting diodes 10, without the reflectors 12 being assigned corresponding reflectors are. Instead, there is a prism 34 in the beam path of these light-emitting diodes 33 provided by which their light to an even greater extent in the arrows F opposite direction is deflected.
  • the light emitting diodes 10 and 33 can be mounted on individual, rigid printed circuit boards are electrically connected, or on one or more flexible Printed circuit boards or on a lead frame.
  • a particular advantage of this arrangement is its shallow depth. About that it is also advantageous that most light sources do not come from the outside are visible, since they are largely behind the neighboring reflector. In addition, this side flashing light can be produced very cost-effectively a large-area illumination of the light exit disc with a achieve a small number of LEDs.

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)
EP00116700A 1999-08-16 2000-08-02 Lampe Withdrawn EP1077344A3 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
DE19938734A DE19938734A1 (de) 1999-08-16 1999-08-16 Fahrzeugleuchte
DE19938734 1999-08-16
DE20004188U 2000-03-06
DE20004188U DE20004188U1 (de) 2000-03-06 2000-03-06 Leuchte

Publications (2)

Publication Number Publication Date
EP1077344A2 true EP1077344A2 (fr) 2001-02-21
EP1077344A3 EP1077344A3 (fr) 2004-01-28

Family

ID=26054613

Family Applications (1)

Application Number Title Priority Date Filing Date
EP00116700A Withdrawn EP1077344A3 (fr) 1999-08-16 2000-08-02 Lampe

Country Status (1)

Country Link
EP (1) EP1077344A3 (fr)

Cited By (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2004021460A3 (fr) * 2002-08-30 2004-06-24 Gelcore Llc Source de lumiere plane a diodes electroluminescentes et phare affleure conçu avec cette source de lumiere
FR2853046A1 (fr) * 2003-03-31 2004-10-01 Koito Mfg Co Ltd Phare pour vehicule a pastille photoemissive
EP1564481A1 (fr) * 2004-02-13 2005-08-17 Valeo Vision Module de projecteur lumineux pour véhicule automobile, réflecteur pour un tel module, et projecteur équipé de ce module
EP1674339A1 (fr) * 2004-12-22 2006-06-28 Arrow Electronics Ind. Co., Ltd. Gyrophare avec des LEDs
WO2006108929A1 (fr) 2005-04-12 2006-10-19 Planmeca Oy Lampe
EP1362740A3 (fr) * 2002-05-16 2006-12-27 Hella KGaA Hueck & Co. Feu de véhicule
EP1870633A1 (fr) * 2006-06-23 2007-12-26 Valeo Vision Module de projecteur avec diode électroluminescente
EP1631855A4 (fr) * 2003-06-10 2008-01-23 Samsung Electronics Co Ltd Module compact de diodes electroluminescentes et projecteur contenant ce dernier
EP1914116A3 (fr) * 2006-10-20 2009-04-01 Ichikoh Industries, Ltd. Appareil d'éclairage pour véhicule
FR2930496A1 (fr) * 2008-04-28 2009-10-30 Mercura Soc Par Actions Simpli Feu d'avertissement et de signalisation
US7677776B2 (en) 2006-11-02 2010-03-16 Ichikoh Industries, Ltd. Lighting device for vehicle and door mirror device
EP1848920A4 (fr) * 2005-02-17 2010-06-30 Alan Uke Systeme et procede d'eclairage et reflecteur s'utilisant dans ceux-ci
US7819538B2 (en) 2005-04-15 2010-10-26 Arrow Co., Ltd. Rotating lamp
DE102009052321A1 (de) * 2009-11-07 2011-05-12 Volkswagen Ag Kraftfahrzeug-Beleuchtungseinrichtung
DE102010020616A1 (de) * 2010-05-14 2011-11-17 Hella Kgaa Hueck & Co. Beleuchtungsvorrichtung für Fahrzeuge
ITTO20100886A1 (it) * 2010-11-05 2012-05-06 Sirio Panel Spa Dispositivo di illuminazione a led di un velivolo, in particolare per operazioni di atterraggio, decollo, rullaggio, e ricerca, e velivolo comprendente il dispositivo di illuminazione a led
DE102013103412A1 (de) * 2013-04-05 2014-10-23 Hella Kgaa Hueck & Co. Beleuchtungsvorrichtung für Fahrzeuge
EP3098505A1 (fr) 2015-05-28 2016-11-30 Zodiac Aero Electric Dispositif d'éclairage pour aéronef permettant l'intégration en son centre de fonctions additionnelles
US9616811B2 (en) 2012-07-10 2017-04-11 Emergency Technology, Inc. Emergency vehicle light fixture with reflective surface having alternating linear and revolved parabolic segments
DE102017105633A1 (de) 2017-03-16 2018-09-20 HELLA GmbH & Co. KGaA Beleuchtungsvorrichtung für Fahrzeuge
DE102018120733B4 (de) * 2017-08-24 2020-04-09 Hasco Vision Technology Co., Ltd. Beleuchtungseinrichtung einer Fahrzeugleuchte, Fahrzeugleuchten-Baugruppe und Fahrzeug
CN116136292A (zh) * 2021-11-16 2023-05-19 斯坦雷电气株式会社 车辆用灯具

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0762515A2 (fr) 1995-08-25 1997-03-12 Reitter & Schefenacker GmbH & Co. KG Corps optique pour au moins une diode émettrice de lumière
EP0762049A1 (fr) 1995-09-11 1997-03-12 Valeo Vision Feu de signalisation à plusieurs sources alignées, notamment feu stop complémentaire pour véhicule automobile

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1845628A (en) * 1928-07-30 1932-02-16 Trew F Poole Light
FR2580377A1 (fr) * 1985-04-10 1986-10-17 Cibie Projecteurs Feu de faible encombrement pour vehicule automobile
DE3929955A1 (de) * 1989-09-08 1991-03-14 Inotec Gmbh Ges Fuer Innovativ Lichtstrahler
US5471371A (en) * 1993-01-08 1995-11-28 Ford Motor Company High efficiency illuminator
JP3173453B2 (ja) * 1998-03-13 2001-06-04 スタンレー電気株式会社 車両用信号灯具
CZ35699A3 (cs) * 1999-02-03 2000-09-13 Autopal, S. R. O. Plochá automobilová svítilna s LED
DE20004188U1 (de) * 2000-03-06 2000-05-04 FER Fahrzeugelektrik GmbH, 99817 Eisenach Leuchte

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0762515A2 (fr) 1995-08-25 1997-03-12 Reitter & Schefenacker GmbH & Co. KG Corps optique pour au moins une diode émettrice de lumière
EP0762049A1 (fr) 1995-09-11 1997-03-12 Valeo Vision Feu de signalisation à plusieurs sources alignées, notamment feu stop complémentaire pour véhicule automobile

Cited By (34)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1362740A3 (fr) * 2002-05-16 2006-12-27 Hella KGaA Hueck & Co. Feu de véhicule
WO2004021460A3 (fr) * 2002-08-30 2004-06-24 Gelcore Llc Source de lumiere plane a diodes electroluminescentes et phare affleure conçu avec cette source de lumiere
US6945672B2 (en) 2002-08-30 2005-09-20 Gelcore Llc LED planar light source and low-profile headlight constructed therewith
FR2853046A1 (fr) * 2003-03-31 2004-10-01 Koito Mfg Co Ltd Phare pour vehicule a pastille photoemissive
EP1631855A4 (fr) * 2003-06-10 2008-01-23 Samsung Electronics Co Ltd Module compact de diodes electroluminescentes et projecteur contenant ce dernier
US8186854B2 (en) 2004-02-13 2012-05-29 Valeo Vision Headlight module for motor vehicle, reflector for such a module, and headlight equipped with this module
FR2866412A1 (fr) * 2004-02-13 2005-08-19 Valeo Vision Module de projecteur lumineux pour vehicule automobile, reflecteur pour un tel module, et projecteur equipe de de module
EP1564481A1 (fr) * 2004-02-13 2005-08-17 Valeo Vision Module de projecteur lumineux pour véhicule automobile, réflecteur pour un tel module, et projecteur équipé de ce module
EP1674339A1 (fr) * 2004-12-22 2006-06-28 Arrow Electronics Ind. Co., Ltd. Gyrophare avec des LEDs
EP1848920A4 (fr) * 2005-02-17 2010-06-30 Alan Uke Systeme et procede d'eclairage et reflecteur s'utilisant dans ceux-ci
WO2006108929A1 (fr) 2005-04-12 2006-10-19 Planmeca Oy Lampe
EP1869362A4 (fr) * 2005-04-12 2011-01-05 Planmeca Oy Lampe
US7819538B2 (en) 2005-04-15 2010-10-26 Arrow Co., Ltd. Rotating lamp
EP1870633A1 (fr) * 2006-06-23 2007-12-26 Valeo Vision Module de projecteur avec diode électroluminescente
FR2902861A1 (fr) * 2006-06-23 2007-12-28 Valeo Vision Sa Module de projecteur avec diode electroluminescente
US7708438B2 (en) 2006-10-20 2010-05-04 Ichikoh Industries, Ltd. Lighting fixture for vehicle
EP1914116A3 (fr) * 2006-10-20 2009-04-01 Ichikoh Industries, Ltd. Appareil d'éclairage pour véhicule
US7677776B2 (en) 2006-11-02 2010-03-16 Ichikoh Industries, Ltd. Lighting device for vehicle and door mirror device
WO2009133326A3 (fr) * 2008-04-28 2009-12-23 Mercura Feu d'avertissement et de signalisation
FR2930496A1 (fr) * 2008-04-28 2009-10-30 Mercura Soc Par Actions Simpli Feu d'avertissement et de signalisation
DE102009052321A1 (de) * 2009-11-07 2011-05-12 Volkswagen Ag Kraftfahrzeug-Beleuchtungseinrichtung
DE102009052321B4 (de) 2009-11-07 2020-06-18 Volkswagen Ag Kraftfahrzeug-Beleuchtungseinrichtung
DE102010020616A1 (de) * 2010-05-14 2011-11-17 Hella Kgaa Hueck & Co. Beleuchtungsvorrichtung für Fahrzeuge
US8807803B2 (en) 2010-11-05 2014-08-19 Sirio Panel S.P.A. LED lighting device of an aircraft, in particular for maneuvers of landing, take-off, taxiing, and searching, and aircraft comprising said device
EP2450279A1 (fr) * 2010-11-05 2012-05-09 Sirio Panel S.P.A. Dispositif d'éclairage à DEL d'un avion, en particulier pour les manýuvres d'atterrissage, de décollage, de roulement au sol et de recherche et avion comprenant ledit dispositif
ITTO20100886A1 (it) * 2010-11-05 2012-05-06 Sirio Panel Spa Dispositivo di illuminazione a led di un velivolo, in particolare per operazioni di atterraggio, decollo, rullaggio, e ricerca, e velivolo comprendente il dispositivo di illuminazione a led
US9616811B2 (en) 2012-07-10 2017-04-11 Emergency Technology, Inc. Emergency vehicle light fixture with reflective surface having alternating linear and revolved parabolic segments
DE102013103412A1 (de) * 2013-04-05 2014-10-23 Hella Kgaa Hueck & Co. Beleuchtungsvorrichtung für Fahrzeuge
EP3098505A1 (fr) 2015-05-28 2016-11-30 Zodiac Aero Electric Dispositif d'éclairage pour aéronef permettant l'intégration en son centre de fonctions additionnelles
DE102017105633A1 (de) 2017-03-16 2018-09-20 HELLA GmbH & Co. KGaA Beleuchtungsvorrichtung für Fahrzeuge
EP3385608A1 (fr) 2017-03-16 2018-10-10 HELLA GmbH & Co. KGaA Dispositif d'eclairage pour véhicules
US10253942B2 (en) 2017-03-16 2019-04-09 HELLA GmbH & Co. KGaA Lighting device for vehicles
DE102018120733B4 (de) * 2017-08-24 2020-04-09 Hasco Vision Technology Co., Ltd. Beleuchtungseinrichtung einer Fahrzeugleuchte, Fahrzeugleuchten-Baugruppe und Fahrzeug
CN116136292A (zh) * 2021-11-16 2023-05-19 斯坦雷电气株式会社 车辆用灯具

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