EP1357334A1 - Elliptische Beleuchtungsbaugruppe ohne Lichtblende zur Erzeugung eines Abblendlichtes und Scheinwerfer mit einer derartigen Beleuchtungsbaugruppe - Google Patents

Elliptische Beleuchtungsbaugruppe ohne Lichtblende zur Erzeugung eines Abblendlichtes und Scheinwerfer mit einer derartigen Beleuchtungsbaugruppe Download PDF

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Publication number
EP1357334A1
EP1357334A1 EP03290971A EP03290971A EP1357334A1 EP 1357334 A1 EP1357334 A1 EP 1357334A1 EP 03290971 A EP03290971 A EP 03290971A EP 03290971 A EP03290971 A EP 03290971A EP 1357334 A1 EP1357334 A1 EP 1357334A1
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EP
European Patent Office
Prior art keywords
reflector
lighting
lighting module
module
plane
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
EP03290971A
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English (en)
French (fr)
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EP1357334B2 (de
EP1357334B1 (de
Inventor
Pierre Albou
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.)
Valeo Vision SAS
Original Assignee
Valeo Vision SAS
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
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Application filed by Valeo Vision SAS filed Critical Valeo Vision SAS
Priority to SI200331115T priority Critical patent/SI1357334T1/sl
Publication of EP1357334A1 publication Critical patent/EP1357334A1/de
Application granted granted Critical
Publication of EP1357334B1 publication Critical patent/EP1357334B1/de
Publication of EP1357334B2 publication Critical patent/EP1357334B2/de
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Expired - Lifetime legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V13/00—Producing particular characteristics or distribution of the light emitted by means of a combination of elements specified in two or more of main groups F21V1/00 - F21V11/00
    • F21V13/02—Combinations of only two kinds of elements
    • F21V13/04—Combinations of only two kinds of elements the elements being 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]
    • 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
    • F21S41/25—Projection lenses
    • F21S41/255—Lenses with a front view of circular or truncated circular outline
    • 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
    • F21S41/321—Optical layout thereof the reflector being a surface of revolution or a planar surface, e.g. truncated
    • 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
    • F21S41/36—Combinations of two or more separate reflectors
    • F21S41/365—Combinations of two or more separate reflectors successively reflecting the light
    • 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
    • F21S41/40—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by screens, non-reflecting members, light-shielding members or fixed shades
    • F21S41/43—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by screens, non-reflecting members, light-shielding members or fixed shades characterised by the shape thereof
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V7/00—Reflectors for light sources
    • F21V7/04—Optical design
    • F21V7/08—Optical design with elliptical curvature
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V7/00—Reflectors for light sources
    • F21V7/0008—Reflectors for light sources providing for indirect lighting
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
    • F21Y2115/00—Light-generating elements of semiconductor light sources
    • F21Y2115/10—Light-emitting diodes [LED]

Definitions

  • the present invention relates to a lighting module and a motor vehicle lighting projector.
  • the present invention relates more particularly to a lighting module for a motor vehicle headlight realizing a cut-off type lighting beam comprising, arranged from rear to front globally along an optical axis longitudinal axis, an elliptical reflector defining a reflection volume for light rays and which involves a substantially elliptical reflection surface, at least one light source which is arranged in the vicinity of a first focus of the reflector, and a converging lens whose focal plane is arranged in the vicinity of the second focus of the reflector.
  • Elliptical projectors or optical projectors image reproduction, are well known, especially for the realization of a cut-off lighting beam.
  • a beam of cut-off lighting means a beam lighting that has a directional limit, or cutoff, above from which the luminous intensity emitted is weak.
  • dipped beam and fog lamp are examples of cut-off light beams, in accordance with the European legislation in force.
  • the cut is made by means of a cover, which is formed of a vertical plate of adapted profile, which is interposed axially between the reflector elliptical and convergent lens, and which is arranged at neighborhood of the second focus of the reflector.
  • the cache allows to hide the light rays from the light source and reflected by the reflector towards the lower part of the focal plane of the convergent lens, and which would, in no cache, emitted by the projector above the cutoff.
  • a disadvantage of this type of projector is that part significant amount of light energy emitted by the source dissipates in the back side of the cache.
  • Document US-A-4 914 747 discloses a projector of which the reflector has upper and lower parts in semi-ellipsoids with the same optical axis, the latter of which homes are merged, the first focus of the upper reflector being located in front of the lower reflector.
  • the projector has a lamp with two filaments, each placed at one of the first foci of the reflectors.
  • a flat screen is arranged in parallel to the optical axis of the reflectors, the front edge of this screen being arranged in the vicinity of the second foci, coinciding themselves with the focus of a converging lens.
  • EP-A-1 193 440 discloses a projector a cut-off type lighting beam, comprising a semi-elliptical reflector, a light source arranged in the vicinity of the first focus of the reflector, a converging lens whose focal plane is arranged in the vicinity of the second focus of the reflector, and a flat horizontal plane of reflection, whose upper side is reflective, the flat surface has a front end edge which is arranged in the vicinity of the second focus of the reflector, so as to form the cut in the beam lighting.
  • the flat surface is pivotally mounted around its trailing edge so as to form a passing beam when it is parallel to the optical axis, and a driving beam when it is tilted.
  • the invention proposes a lighting module for a projector of a motor vehicle carrying a lighting beam of the cut-off type, comprising, arranged from rear to front overall along a longitudinal horizontal optical axis, a reflector of the elliptical type which delimits a volume of reflection for light rays and having a reflection surface substantially elliptical, at least one light source which is arranged in the vicinity of a first focus of the reflector, and a lens convergent whose focal plane is arranged in the vicinity of the second focus of the reflector, the reflector having a horizontal flat surface of reflection, whose upper surface is reflective, which delimits vertically down the volume of reflection, the flat surface of the reflector having a front end edge, said cutting edge, which is arranged in the vicinity of the second focus reflector, so as to form the cut in the beam lighting, the flat surface of the reflector being arranged in a horizontal plane generally passing through the reflector foci.
  • the flat surface of the reflector extends longitudinally towards the rear, from its cutting edge, at least to the vicinity of the first focus of the reflector;
  • the majority the luminous flux emitted by the source is used in the beam luminous produced by the module, in order to achieve the function associated regulatory lighting.
  • the invention also relates to a lighting projector of vehicle, characterized in that it comprises at least one module lighting according to one of the preceding features.
  • Diagrams 1 to 3 show schematically a lighting module 10 which is produced according to the teachings of the invention.
  • the lighting module 10 comprises, arranged from rear to front along a horizontal longitudinal optical axis A-A, a reflector 12 of the elliptical type, a light source 14 which is arranged in the vicinity of a first focus F1 of the reflector 12, and a convergent lens 16 whose focal plane is arranged in the vicinity of the second focus F2 of the reflector 12.
  • the reflector 12 and the lens 16 form the optical system 11 of the lighting module 10.
  • the optical axis A-A defines here, in a non-limiting way, a direction horizontal longitudinal and an orientation from back to front, which corresponds to a left-to-right orientation in the figures 2 and 3.
  • the optical axis A-A is for example substantially parallel to the longitudinal axis of a vehicle (not shown) equipped of the lighting module 10.
  • the convergent lens 16 is here a piece of revolution around the longitudinal optical axis A-A.
  • the lens 16 comprises, vis-à-vis the reflector 12, a transverse input surface 17 for light rays.
  • the reflector 12 has an elliptical surface 18 which is made in the form of a substantially angular sector of a piece of revolution, and which extends in the half space above a horizontal axial plane passing through the longitudinal optical axis A-A.
  • the inner face 20 of the elliptical surface 18 is reflective.
  • the elliptical surface 18 may not be perfectly elliptical and she can have several specific profiles designed to optimize the light distribution in the beam lighting produced by module 10, according to the lighting function module 10. This implies that the reflector not perfectly revolution.
  • the reflector 12 has a horizontal flat surface 22 whose upper face 24 is reflective.
  • the reflector 12 delimits a reflection volume for the light rays emitted by the source 14, ie a volume in which the light rays are emitted and in which the light rays are reflected. This volume of reflection is delimited, in its upper part, by the inner side of reflection 20 of the elliptical surface 18, and vertically downwards by the reflective face 24 of the flat surface 22.
  • the flat surface 22 extends here in a horizontal axial plane.
  • the flat surface 22 is delimited, at the rear, at its intersection with the elliptical surface 18, by an elliptical edge 26, and at the front, by a longitudinal end edge before 28. It can be provide as a variant that the flat surface 22 be delimited at the rear by a line segment perpendicular to the axis A-A and passing in the immediate vicinity of the source 14, in front of this last.
  • the front end edge 28 of the flat surface 22 is arranged in the vicinity of the second focus F2 of the reflector 12, so to form a sufficiently sharp cut in the beam lighting produced by the lighting module 10.
  • the shape curve of this profile is more or less complex, and can to approximate in a first approximation to an arc of circle.
  • the cutoff edge 28 has a profile curve, in the horizontal plane, so as to follow globally the profile of the focal plane of the lens 16.
  • the surface reflective plane 22 comprises a semi-ellipsoidal rear section 30, which is delimited by the elliptical edge 26, and by the diameter 32 of the front edge 34 semicircular elliptical surface 18.
  • the reflective flat surface 22 comprises a section before 36 isosceles trapezoidal overall, which is delimited by the diameter 32 of the elliptical surface 18, by two lateral edges 38, 40, and by the cutting edge 28.
  • the width cross-section of the front section 36 progressively increases towards the front, so that the transverse width of the cut edge 28 is substantially equal to the diameter of the surface input of the lens 16.
  • the flat surface 22 may comprise only one front section 36, which extends axially towards the rear, since the cutting edge 28 to a given point in the optical axis A-A located between the first F1 and the second F2 reflector foci 12.
  • the light source 14 is provided for emit light energy in less than half a space located above the flat surface 22, and to emit its energy light towards the inner face 20 of the elliptical surface 18.
  • the light source 14 is a diode electroluminescent encapsulated 44.
  • light emitting diode 44 the junction which produces the luminous energy as well as the globe, or the capsule, of light scattering, which envelops the upper part from the junction.
  • the light-emitting diode 44 is mounted on an electronic support plate 42, which is shown in FIG. 3, which is arranged here in parallel under the flat surface 22.
  • the light-emitting diode 44 has a diffusion axis luminous B-B which is here substantially perpendicular to the flat surface 22.
  • the light-emitting diode 44 emits its light energy in a solid angle globally centered around its axis light scattering B-B, and less than 180 degrees.
  • This arrangement allows the diode 44 to emit the majority from its luminous energy towards the inner face 20 of the surface elliptical 18.
  • the principle of operation of the lighting module 10 according to the invention is the following.
  • the light source 14 is of small extent around a point coincides with the first focus F1 of the reflector elliptical 18.
  • the light source 14 is arranged at the first F1 focus of elliptical reflector 18, most of the rays R1 primaries emitted by the source 14, after having reflected on the inner face 20 of the elliptical surface 18, is returned to the second focus F2 of the reflector 18, or in the vicinity thereof.
  • These primary light rays R1 form, at the focus F2 of the lens 16, a concentrated luminous image that is projected, to the front of the lighting module 10, by the lens 16, in one direction substantially parallel to the longitudinal axis A-A.
  • These secondary light rays R2 are reflected by the inner face 20 of the elliptical surface 18 to the flat surface reflective 22, so that they reflect one second times forward.
  • An advantage of the lighting module 10 according to the invention is that its optical system 11 does not hide an important part light rays emitted by the source 14, as is the case in a conventional lighting module having a cache.
  • Reflective flat surface 22 makes it possible to "fold" the images of the light source 14 that are reflected by the elliptical surface 18 of the reflector 12 to the second focus F2 of the reflector 12.
  • the "fold” formed by this "folding" of images contributes to form a clean cut in the beam of light projected by the lens 16.
  • the lighting module 10 also has particular advantages, in the context of the use of a light-emitting diode 44 as a light source 14 in a lighting module.
  • the image of the virtual source corresponding to a Diode is usually round and diffuse.
  • the light source is a filament
  • its image virtual has the shape of a rectangle, so it is relatively easy to achieve a clean cut by aligning the edges of the rectangles.
  • the light source is a diode, it is a lot more difficult to make a clean cut by aligning the images corresponding, round shapes.
  • the lighting module 10 makes it possible to a clean cut with a diode 44 because it projects to the front the image of an edge of the optical system 11, ie the image of the cutting edge 28.
  • the shape of the cut in the lighting beam is therefore determined by the profile of the cutoff edge 28, in a projection on a vertical and transverse plane.
  • Another difficulty for the realization of a module lighting from a diode arises from the fact that the distribution of light energy in the light beam emitted by the diode is not homogeneous. Therefore, it is very difficult to create a homogeneous lighting beam from the images direct from the diode.
  • the lighting module 10 overcomes this difficulty in exploiting a property of elliptical lighting modules which is to "mix" the images of the light source at the second focus F2 of the reflector 12, which improves the homogeneity of the lighting beam produced.
  • An advantage of the lighting module 10 according to the invention is that it exploits the property of encapsulated diodes 44 to emit overall in a half space, which allows to capture more eighty percent of the luminous flux emitted by the diode 44, whereas, in a traditional elliptical code projector, one captures less than fifty percent of the luminous flux.
  • the lighting module 10 is achieved by an assembly of discrete elements.
  • the lighting module 10 comprises, for example, an element 18 forming the elliptical portion of the reflector 12, an element 22 forming the flat surface of the reflector 12, and an element 16 forming the converging lens.
  • the inner face of the elliptical portion 18 and the upper face of the flat surface 22 are for example coated with a reflective material.
  • the light source 14 is a light emitting diode 44
  • the discrete elements in the form of polymer parts, assembled for example by interlocking.
  • the lens 16 may be a Fresnel lens.
  • the optical system 11 of the lighting module 10 is made in one piece solid optics, made of transparent material, for example PMMA (polymethyl methacrylate).
  • the solid optical part is for example made by molding, or by machining.
  • the outer surface of the elliptical portion 18 of the reflector 12 and the outer surface, here below, of the flat surface 22 of the reflector 12 are coated with a reflective material.
  • the total reflection properties in a higher index medium in the air to cause reflection of the light rays in the reflection volume delimited by the reflector 12, without using reflective material.
  • the light rays which are emitted by the light source 14 propagate to inside the material constituting the optical system 11 of the module 10, then they exit the optical system 11 by the front side of converging lens 16.
  • the reflecting flat surface 22 comprises a cavity of complementary shape to the capsule of the electroluminescent diode 44.
  • the cavity is substantially hemispherical.
  • the reflector 12 is made in one piece of transparent material, which is distinct from the piece forming the converging lens 16.
  • the light source 14 can be realized by means of several light-emitting diodes 44.
  • the light-emitting diodes 44 must be very close to each other, so that they are arranged generally at the first focus F1 of the reflector 12.
  • two diodes 44 are aligned, advantageously in a perpendicular direction to the longitudinal optical axis A-A.
  • the resulting light source 14 is then equivalent to a light source extended in width because the beams lighting produced by each light-emitting diode 44 overlap.
  • This arrangement of the diodes 44 therefore makes it possible to widen the light beam produced by the lighting module 10.
  • a vehicle headlamp is produced by means of several identical lighting modules operating simultaneously.
  • the lighting modules 10 are arranged in parallel, that is, their A-A optical axes are substantially parallel between them.
  • the lighting beams produced by each of the lighting modules 10 are superimposed on the front of the vehicle of to form the regulatory lighting beam cutoff.
  • FIG. 6 there is shown in Figure 6 a projector 46 of a vehicle that performs a low beam function, or codes, and which uses four identical lighting modules.
  • crossover lighting beam must have a cut having a portion inclined at a determined angle, for example fifteen degrees
  • two lighting modules 48 of the projector 46 are rotated fifteen degrees, around their longitudinal optical axis A-A, so as to form a beam lighting having a sloping cut of fifteen degrees by compared to a horizontal plane.
  • the other two lighting modules 50 form a beam lighting having a horizontal cut.
  • the superposition of the lighting beams produced by the four lighting modules 10 then form a lighting beam with a horizontal part and an inclined part fifteen degrees.
  • each lighting module 10 can be provided to individually achieve a lighting beam with a cut in accordance with a regulatory beam of low beam.
  • the reflecting flat surface 22 has two parts 52, 54.
  • a first part of the reflective surface 22 extends in a first half-plane 52 delimited by the longitudinal optical axis A-A, and extending to the right in FIG.
  • This first half-plane 52 is contained in the horizontal plane. Its cutoff edge 56 is therefore horizontal, so that it realizes the horizontal part of the cut in the beam lighting produced by the module 10.
  • the reflective flat surface 22 comprises a second reflecting part 54 which extends in a second half-plane, delimited by the longitudinal optical axis A-A, and this flat surface secondary 54 has, at the front, a cutting edge 58 which is inclined, relative to the horizontal plane, by a determined angle ⁇ , for example fifteen degrees.
  • the light source 14 may be formed by the end free of an optical fiber bundle.
  • optical fibers form a light source having a light core and a ring dark, due to the sheath surrounding the heart of the fiber.
  • This type of light source when used in a vehicle lighting projector using for example a reflector of the complex surface type, thus forms in the beam lighting, images in the form of pixels surrounded by a dark area, due to the sheath.
  • An advantage of the lighting module 10 according to the invention is that it allows to mix all the images of the light source 14 at the second focus F2 of the reflector 12, so that not find in the lighting beam the pixels of the fiber optical.

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  • 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)
  • Vessels And Coating Films For Discharge Lamps (AREA)
EP03290971.5A 2002-04-25 2003-04-18 Elliptische Beleuchtungsbaugruppe ohne Lichtblende zur Erzeugung eines Abblendlichtes und Scheinwerfer mit einer derartigen Beleuchtungsbaugruppe Expired - Lifetime EP1357334B2 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
SI200331115T SI1357334T1 (sl) 2002-04-25 2003-04-18 Elipticni osvetljevalni modul brez zaslonke za tvorjenje zasencenega snopa in zaromet s taksnim modulom

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR0205323A FR2839139B1 (fr) 2002-04-25 2002-04-25 Module d'eclairage elliptique sans cache realisant un faisceau d'eclairage a coupure et projecteur comportant un tel module
FR0205323 2002-04-25

Publications (3)

Publication Number Publication Date
EP1357334A1 true EP1357334A1 (de) 2003-10-29
EP1357334B1 EP1357334B1 (de) 2007-11-07
EP1357334B2 EP1357334B2 (de) 2018-05-30

Family

ID=28686342

Family Applications (1)

Application Number Title Priority Date Filing Date
EP03290971.5A Expired - Lifetime EP1357334B2 (de) 2002-04-25 2003-04-18 Elliptische Beleuchtungsbaugruppe ohne Lichtblende zur Erzeugung eines Abblendlichtes und Scheinwerfer mit einer derartigen Beleuchtungsbaugruppe

Country Status (8)

Country Link
US (1) US6997587B2 (de)
EP (1) EP1357334B2 (de)
JP (1) JP4136773B2 (de)
AT (1) ATE377732T1 (de)
DE (1) DE60317254T2 (de)
ES (1) ES2297107T5 (de)
FR (1) FR2839139B1 (de)
SI (1) SI1357334T1 (de)

Cited By (27)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2851030A1 (fr) * 2003-02-10 2004-08-13 Koito Mfg Co Ltd Phare de vehicule a source, reflecteur et lentille
FR2853951A1 (fr) * 2003-04-21 2004-10-22 Koito Mfg Co Ltd Phare de vehicule pour faisceau de croisement
FR2860280A1 (fr) * 2003-09-29 2005-04-01 Koito Mfg Co Ltd Phare de vehicule a lampes a elements photoemissifs
EP1528312A1 (de) * 2003-10-31 2005-05-04 Valeo Vision Beleuchtungsmodul für Kfz-Scheinwerfer
FR2867839A1 (fr) * 2004-03-18 2005-09-23 Koito Mfg Co Ltd Bloc d'eclairage pour vehicule
EP1610057A1 (de) 2004-06-24 2005-12-28 Valeo Vision Beleuchtungseinheit für Kfz-Scheinwerfer und Scheinwefer mit einer derartigen Einheit
EP1357332A3 (de) * 2002-04-23 2006-02-08 Koito Manufacturing Co., Ltd Lichtquelleneinheit für Fahrzeugleuchte
EP1666787A1 (de) 2004-12-06 2006-06-07 Valeo Vision Beleuchtungseinrichtung für Kraftfahrzeugscheinwerfer
EP1715245A1 (de) * 2005-04-21 2006-10-25 Valeo Vision Beleuchtungseinheit für Kraftfahrzeuge mit einer Lichtverteilung mit einer Hell-Dunkel Grenze
FR2888916A1 (fr) * 2005-07-21 2007-01-26 Valeo Vision Sa Module optique pour dispositif d'eclairage automobile
EP1762776A1 (de) * 2005-09-09 2007-03-14 Valeo Vision Verfahren zur Herstellung eines Moduls eines Kraftfahrzeugscheinwerfers
FR2890721A1 (fr) * 2005-09-09 2007-03-16 Valeo Vision Sa Procede de construction d'un module de projecteur lumineux pour vehicule automobile, module et projecteur.
EP1548354A3 (de) * 2003-12-25 2007-07-11 Ichikoh Industries, Ltd. Projecktionsscheinwerfer mit Dioden
EP1936260A1 (de) * 2006-12-20 2008-06-25 Valeo Vision Modul eines Kraftfahrzeug-Scheinwerfers für einen Lichtstrahl mit Abschaltung
FR2962784A1 (fr) * 2010-07-19 2012-01-20 Valeo Vision Reflecteur du type elliptique corrige
FR2962785A1 (fr) * 2010-07-19 2012-01-20 Valeo Vision Plieuse sur lame transparente avec depouille
FR2962786A1 (fr) * 2010-07-19 2012-01-20 Valeo Vision Module d'eclairage avec reflecteur elliptique incline et inverse
WO2012072192A1 (de) * 2010-12-03 2012-06-07 Docter Optics Gmbh Fahrzeugscheinwerfer mit projektionslinse und lichtleiter
US8851722B2 (en) 2010-12-03 2014-10-07 Docter Optics Se Headlight lens for a vehicle headlight
US8899802B2 (en) 2010-12-03 2014-12-02 Docter Optics Se Optical component for illumination purposes
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FR2962786A1 (fr) * 2010-07-19 2012-01-20 Valeo Vision Module d'eclairage avec reflecteur elliptique incline et inverse
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US9599302B2 (en) 2011-11-11 2017-03-21 Docter Optics Se Headlight lens for a vehicle headlight
US10018323B2 (en) 2011-11-11 2018-07-10 Docter Optics Se Vehicle headlight
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JP4136773B2 (ja) 2008-08-20
EP1357334B2 (de) 2018-05-30
EP1357334B1 (de) 2007-11-07
DE60317254T2 (de) 2008-08-28
JP2003317515A (ja) 2003-11-07
US6997587B2 (en) 2006-02-14
ES2297107T3 (es) 2008-05-01
ATE377732T1 (de) 2007-11-15
FR2839139B1 (fr) 2005-01-14
SI1357334T1 (sl) 2008-04-30
US20030202359A1 (en) 2003-10-30
ES2297107T5 (es) 2018-12-12
DE60317254D1 (de) 2007-12-20

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