EP1176359A2 - Feu pour véhicule - Google Patents

Feu pour véhicule Download PDF

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Publication number
EP1176359A2
EP1176359A2 EP01116161A EP01116161A EP1176359A2 EP 1176359 A2 EP1176359 A2 EP 1176359A2 EP 01116161 A EP01116161 A EP 01116161A EP 01116161 A EP01116161 A EP 01116161A EP 1176359 A2 EP1176359 A2 EP 1176359A2
Authority
EP
European Patent Office
Prior art keywords
light
emitting means
light emitting
luminaire according
reflector
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
EP01116161A
Other languages
German (de)
English (en)
Other versions
EP1176359A3 (fr
EP1176359B1 (fr
Inventor
Klaus Henneböhle
Heinz-Albert Püttmann
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 EP1176359A2 publication Critical patent/EP1176359A2/fr
Publication of EP1176359A3 publication Critical patent/EP1176359A3/fr
Application granted granted Critical
Publication of EP1176359B1 publication Critical patent/EP1176359B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • F21S43/20—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]
    • 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
    • F21S43/239—Light guides characterised by the shape of the light guide plate-shaped
    • 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
    • F21S43/245—Light guides characterised by the emission area emitting light from one or more of its major surfaces
    • 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

Definitions

  • the invention relates to a lamp for vehicles with a light emitting means and a reflector housing, which is transparent Cover plate is covered, the reflector with a number of optical surfaces arranged at an angle to one another Reflecting elements is oriented towards the lens.
  • a lamp for vehicles is known with a a housing containing light source, covered by a lens is.
  • a reflector consisting of several reflector elements is arranged on one side of the lens facing the light source. These are used to keep the surrounding area on the lens striking light is totally reflected.
  • the reflector elements are line by line arranged, with cylindrical lenses between the reflector lines are formed, which form a light passage for the by means of an intermediate the lens and the light source arranged optical disc collected Light emitted by the light source. Because of the reflector elements occupied area of the lens for the passage of the light emitted by the light source ceases to be cylindrical lenses Optical disc matched to the cylindrical lenses of the cover lens his.
  • a disadvantage of the known lamp is that the lamp due to the light emission direction optics and cover lenses arranged one behind the other has a considerable depth.
  • a disadvantage of the known luminaire is that it enables the reflector function additional housing surfaces must be provided, which is the dimension the luminaire, especially the depth of the same, increase.
  • the object of the present invention is therefore a lamp for vehicles with a housing that accommodates a light emission means and a reflector to further develop such that the installation space depth of the Luminaire is reduced.
  • the lamp according to the invention is in connection with the preamble of patent claim 1, characterized in that a A light emission means is assigned to the number of reflection elements and that the retroreflective element with at least in the plane of the retroreflective element extending light passage is operatively connected.
  • the particular advantage of the invention is that the functional Coupling between the retroreflective elements on the one hand and the light emitting means on the other hand, the installation space depth of the lamp is significantly reduced can be.
  • the basic idea of the invention is to use the light emission means in the Arrange near a retroreflective element, the retroreflective element a light passage for the passage of that emitted by the light emitting means Has light. This results in a functional coupling between the reflector on the one hand and the light emitter on the other.
  • a plurality of distributed reflecting elements on the one hand and corresponding to Light emitting means arranged light passages on the other hand provided.
  • the light emitting agent can in front of, in or behind the light transmission of the retroreflective element be arranged.
  • the retroreflective element is coaxial with the Light emitting element arranged. This makes it more regular and harmonious Stylistic effect of the lamp achieved for the viewer.
  • the light emitting means is in such a way Area of an opening of a retroreflective element arranged that the the light emitted by the light emitting means on the optical surfaces of the retroreflective element is reflected.
  • the optical surfaces By using the optical surfaces for reflection the light rays emitted by the light emitting means can be advantageous the luminous flux of the light function can be increased.
  • the light passage can be used as one Light opening can be designed to accommodate at least one front area of the light emission means.
  • Installation space depth of the luminaire can be reduced and secondly a better one Utilization of the optical surfaces to increase the usable luminous flux Luminaire can be achieved.
  • a retroreflective field is in the direction of light emission in front of one consisting of several light emission means
  • Light emission field upstream, the reflection field a plurality of has reflecting elements arranged in a surface.
  • the retroreflective function and the light emission function are in two spaced apart and substantially perpendicular arranged to the optical axis of the light-emitting elements planes. In this way, a homogeneous areal light function can be advantageous on the one hand and the retroreflective function on the other.
  • the light emission means is as one Light-emitting diode or as one upstream of the light-emitting diode in the direction of light emission Optical fiber trained.
  • the light guide can advantageously be made in one piece with the transparent light transmission or the reflection field.
  • the reflector field can thus, for example, in one work step Injection molding are produced, followed by the optical surfaces of the retroreflective elements be provided with a reflective coating.
  • the retroreflective element is made of one Triple prism with at least three each at an obtuse angle to each other arranged optical surfaces, the longitudinal extent of the optical surfaces is much larger, preferably two to six times that Transverse extent of the light passage and / or the light emitting means. Due to the relatively large volume of such a retroreflective element can in particular the lighting function when the light emitting means is arranged be supported in the light opening.
  • a lamp for vehicles usually has a housing, not shown on, in the direction of light emission through a lens, not shown is covered. Inside the housing is in the direction of light emission or more light emitting means arranged. As can be seen from Figures 1 to 3 is, the light emitting means as one or more on a support plate arranged LED 1 may be formed. These LEDs 1 are each in a preferably central receiving opening 2 of a retroreflective element 3 positioned.
  • the retroreflective element 3 consists of a triple prism with optical surfaces 4 arranged at an obtuse angle to one another, which with are coated with a reflective coating.
  • the LEDs 1 are arranged in such a way to the retroreflective elements 3 that a light head 5 of the Light-emitting diode 1 almost completely in the direction of light emission 6 opening optical surfaces 4 formed space.
  • the optical surfaces 4 are in their longitudinal extension by two to six times longer formed as the transverse extension of the lamp head 5. Due to the relative position the optical surfaces 4 to the light head 5 on the one hand and due to the size of the optical surfaces 4, they can be reflected by the light emitting diodes 1 emitted light beams in the light emission direction 6 to increase the luminous flux the LED 1 contribute.
  • the fact that the reflective elements 3 are oriented coaxially with the light head 5, the efficiency of the light source 1 can be increased further.
  • the optical surfaces 4 are oriented to one another in such a way that this is parallel to the optical axis of the light emitting diode 1 incident light after a multiple Reflection in its direction of incidence is reflected back.
  • a A plurality of light emitting diodes 1 are arranged, which are compared to the Reflective elements 3 have a small transverse extent, the styling of the lamp by having a plurality of retroreflective elements 3 Reflector 7 shaped. Due to the direct installation of the LEDs 1 at the apex of the retroreflective elements 3, the lamp with a relatively shallow component depth can be realized.
  • the housing has a front reflector field 8 in the light emission direction 6 and a have light emission field 9 lying behind in light emission direction 6.
  • the Reflector field 8 is spaced from the light emission field 9 and between the light emission field 9 on the one hand and a transparent cover plate 10 arranged on the other hand.
  • the reflector field 8 is arranged like a checkerboard, where reflective elements 11 alternate with light passages 12.
  • the retroreflective elements 11 are - as in the previous embodiment - formed by triple prisms that parallel the incident light from the environment reflect back.
  • the light passages 12 are transparent and essentially just formed, so that the light is each one of the light passage assigned LED 13 in the light emission direction 6 essentially can pass through the light passage 12 unaffected.
  • the Light passage 12 is integrally connected to the retroreflective elements 11.
  • the reflector 14 thus formed is preferably made of a transparent one Made of plastic material, the reflective elements 11 on one of the End plate 10 facing side by means of a reflective Coating are mirrored.
  • the reflector field 8 and the light emission field 9 are regular are provided with retroreflective elements 11 or light-emitting diodes 13 homogeneous styling of the lamp can be realized. There is a vertical one full-area and evenly distributed to the light emission direction 6 Reflecting and lighting function.
  • a Reflector field 15 in comparison to the previously described reflector field from a plurality of retroreflective elements 16 arranged in a frame-like manner and a central strip 17 can be formed by light passages 18.
  • the light-emitting means can also be used as light-emitting diodes as one or more Incandescent lamps 19 are formed, the light rays 20 emitted by a Reflector 21 are reflected in the direction of the light passage 18.
  • the Light passages 18 are arranged adjacent to each other so that the light is emitted in the form of a strip.
  • Light guide 24 may be formed on the other hand as light emitting means.
  • the light guide 24 in one piece with the Reflector field 22 be connected and extends as an extension of Reflector field 22 on a side facing away from the lens 25 of the reflector field 22 in the direction of an LED 26 Light source.
  • the light-emitting diode 26 is at the free end of the light guide 24 arranged so that the light rays 27 emitted by the light-emitting diode 26 the outer surfaces of the light guide 24 are totally reflected until they reach one Exit the end plate 25 facing end.
  • a light guide 28 is in a receiving opening 29 of the Reflector field 22 positioned.

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)
  • Optical Elements Other Than Lenses (AREA)
EP01116161A 2000-07-29 2001-07-04 Feu pour véhicule Expired - Lifetime EP1176359B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10037005A DE10037005A1 (de) 2000-07-29 2000-07-29 Leuchte für Fahrzeuge
DE10037005 2000-07-29

Publications (3)

Publication Number Publication Date
EP1176359A2 true EP1176359A2 (fr) 2002-01-30
EP1176359A3 EP1176359A3 (fr) 2004-10-06
EP1176359B1 EP1176359B1 (fr) 2012-03-21

Family

ID=7650657

Family Applications (1)

Application Number Title Priority Date Filing Date
EP01116161A Expired - Lifetime EP1176359B1 (fr) 2000-07-29 2001-07-04 Feu pour véhicule

Country Status (3)

Country Link
EP (1) EP1176359B1 (fr)
AT (1) ATE550601T1 (fr)
DE (1) DE10037005A1 (fr)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1519107A1 (fr) * 2003-09-23 2005-03-30 Hella KGaA Hueck & Co. Feu de véhicule
EP1996857A1 (fr) * 2006-03-13 2008-12-03 TIR Technology LP Dispositif optique destine a melanger et a rediriger de la lumiere
EP2592332A1 (fr) * 2011-11-10 2013-05-15 Valeo Vision Dispositif optique comportant une pluralité de faces réfléchissantes
WO2015049264A1 (fr) * 2013-10-01 2015-04-09 Hella Kgaa Hueck & Co. Dispositif d'éclairage destiné à des véhicules

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101228848B1 (ko) 2004-09-20 2013-02-01 코닌클리즈케 필립스 일렉트로닉스 엔.브이. Ｌｅｄ 시준기 소자, 헤드라이트 및 시준기
DE102004061691A1 (de) * 2004-12-22 2006-07-06 Daimlerchrysler Ag Heckleuchte eines Kraftfahrzeuges
DE102004061693A1 (de) * 2004-12-22 2006-07-06 Daimlerchrysler Ag Heckleuchte eines Fahrzeuges
CN101326400B (zh) 2005-12-12 2011-02-23 皇家飞利浦电子股份有限公司 用于具有低光束功能的车辆前灯的发光二极管准直仪元件
JP6445818B2 (ja) 2014-09-19 2018-12-26 株式会社小糸製作所 車両用灯具

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE9002245U1 (de) 1990-02-26 1990-05-03 Hella KG Hueck & Co, 4780 Lippstadt Mehrkammerleuchte für Kraftfahrzeuge
DE3438154C2 (de) 1984-10-18 1994-09-15 Teves Gmbh Alfred Rückleuchte für Kraftfahrzeuge
WO1999009349A1 (fr) 1997-08-12 1999-02-25 Decoma International Inc. Lentille bireflective
DE19946850A1 (de) 1999-09-30 2001-04-05 Hella Kg Hueck & Co Lichttechnische Einrichtung für Fahrzeuge

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU4272272A (en) * 1971-06-23 1973-11-29 Joseph Lucas (Industries) Limited Combined lens and reflector fora vehicle lamp
JPH01197141A (ja) * 1988-02-02 1989-08-08 Stanley Electric Co Ltd 自動車用リアコンビネーションランプ
DE19547861A1 (de) * 1995-12-21 1997-06-26 Reitter & Schefenacker Gmbh Rückleuchte für Fahrzeuge, vorzugsweise Kraftfahrzeuge
DE19852999A1 (de) * 1998-11-17 2000-06-21 Volkswagen Ag Heckleuchte mit einer Seitenoptik für Fahrzeuge

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3438154C2 (de) 1984-10-18 1994-09-15 Teves Gmbh Alfred Rückleuchte für Kraftfahrzeuge
DE9002245U1 (de) 1990-02-26 1990-05-03 Hella KG Hueck & Co, 4780 Lippstadt Mehrkammerleuchte für Kraftfahrzeuge
WO1999009349A1 (fr) 1997-08-12 1999-02-25 Decoma International Inc. Lentille bireflective
DE19946850A1 (de) 1999-09-30 2001-04-05 Hella Kg Hueck & Co Lichttechnische Einrichtung für Fahrzeuge

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1519107A1 (fr) * 2003-09-23 2005-03-30 Hella KGaA Hueck & Co. Feu de véhicule
EP1996857A1 (fr) * 2006-03-13 2008-12-03 TIR Technology LP Dispositif optique destine a melanger et a rediriger de la lumiere
EP1996857A4 (fr) * 2006-03-13 2013-07-24 Koninkl Philips Electronics Nv Dispositif optique destine a melanger et a rediriger de la lumiere
EP2592332A1 (fr) * 2011-11-10 2013-05-15 Valeo Vision Dispositif optique comportant une pluralité de faces réfléchissantes
FR2982658A1 (fr) * 2011-11-10 2013-05-17 Valeo Vision Dispositif optique comportant une pluralite de faces reflechissantes
WO2015049264A1 (fr) * 2013-10-01 2015-04-09 Hella Kgaa Hueck & Co. Dispositif d'éclairage destiné à des véhicules
US9915406B2 (en) 2013-10-01 2018-03-13 Hella Kgaa Hueck & Co. Illumination device for vehicles

Also Published As

Publication number Publication date
EP1176359A3 (fr) 2004-10-06
DE10037005A1 (de) 2002-02-07
EP1176359B1 (fr) 2012-03-21
ATE550601T1 (de) 2012-04-15

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