EP2742281B1 - Module de sources lumineuses à del pour un projecteur de véhicule automobile à del - Google Patents

Module de sources lumineuses à del pour un projecteur de véhicule automobile à del Download PDF

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Publication number
EP2742281B1
EP2742281B1 EP12750982.6A EP12750982A EP2742281B1 EP 2742281 B1 EP2742281 B1 EP 2742281B1 EP 12750982 A EP12750982 A EP 12750982A EP 2742281 B1 EP2742281 B1 EP 2742281B1
Authority
EP
European Patent Office
Prior art keywords
light source
led light
diaphragm
edge
source module
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.)
Active
Application number
EP12750982.6A
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German (de)
English (en)
Other versions
EP2742281A1 (fr
Inventor
Johannes Jungwirth
Andreas Moser
Günther Krenn
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.)
ZKW Group GmbH
Original Assignee
Zizala Lichtsysteme GmbH
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Publication date
Application filed by Zizala Lichtsysteme GmbH filed Critical Zizala Lichtsysteme GmbH
Publication of EP2742281A1 publication Critical patent/EP2742281A1/fr
Application granted granted Critical
Publication of EP2742281B1 publication Critical patent/EP2742281B1/fr
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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
    • 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]
    • F21S41/143—Light emitting diodes [LED] the main emission direction of the LED being parallel to the optical axis of the illuminating device
    • 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]
    • F21S41/151—Light emitting diodes [LED] arranged in one or more lines
    • 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
    • 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
    • F21S41/26—Elongated lenses
    • 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
    • F21S41/265—Composite lenses; Lenses with a patch-like 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
    • 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

Definitions

  • the invention relates to an LED light source module for an LED motor vehicle headlight, in particular for an LED motor vehicle headlight for generating a dynamic light distribution, wherein the LED light source module has at least one LED light source, wherein the at least one LED light source consists of at least one light emitting diode and wherein the at least one light-emitting diode of the at least one LED light source couples light into an associated primary optic element, wherein the coupled-in light at least partially emerges from a light exit surface of the primary optic element, and wherein the LED light source module has a secondary optic which corresponds to that of the at least a light exit surface of the at least one primary optics elements emerging light - in the vehicle installed state of the headlamp - as a light image in a front of the vehicle area.
  • the invention further relates to a headlamp with such an LED light source module and a corresponding headlamp system.
  • a headlamp with an LED light source module is off EP 2 306 074 A2 known.
  • the module has a primary optic, a diaphragm and a secondary optics.
  • light-emitting diodes are increasingly being used for the realization of main headlamp functions, such as e.g. for generating low beam and / or high beam but also of other light functions, such as motorway light, bad weather and daytime running lights.
  • headlight LED light sources are also particularly well suited for special applications, such as object lighting, where only certain LED light sources are visible or emit light, while the remaining LED light sources emit no light.
  • object lighting for example, objects on the roadside, such as pedestrians, but also traffic signs, with light, e.g. with infrared light, illuminated, and these objects can then be captured with an infrared camera.
  • visible light such as traffic sign lighting can be used.
  • the above tasks can be realized by selective activation or in the latter case by selectively deactivating certain LED light sources.
  • such a headlamp can be realized with conventionally available LED light sources.
  • individual light functions such as low beam, high beam, cornering light, etc.
  • the luminous area is divided into segments which can be switched separately.
  • the light originating from the LEDs is projected onto the roadway via the individual primary optics elements, which form the individual segments of the light exit surfaces, and the associated secondary optics as segmented light distribution.
  • the distortion error of the secondary optics becomes such that it is in an outer portion of the light image which is from the segment farthest from the optical axis (s) of the primary optic elements is formed, comes to a distortion of the light image, in particular to a pincushion distortion, which is primarily above the cut-off line.
  • a diaphragm arrangement is provided between the at least one light exit surface of the at least one primary optic element and the secondary optics, which diaphragm arrangement has at least one optically effective diaphragm edge which is arranged and / or runs such that occurring in an upper and / or lower region of the light image unwanted distortions are at least partially hidden in the photograph.
  • the LED light source module has two or more LED light sources, wherein an LED light source consists of at least one light emitting diode, and wherein the light emitting diodes of each LED light source light in coupling in each case one of the light source associated primary optic element, wherein the coupled light at least partially exits the light exit surface of the associated primary optics element again, and wherein the secondary optics generated by the light exit surfaces of the primary optics elements - in the vehicle installed state of the headlamp - in front of the vehicle lying area.
  • All secondary optics associated primary optics form the so-called "primary optics", the primary optic elements are preferably connected to each other, and in the Usually even one piece. This primary optic has an overall light exit surface formed by the individual light exit segments of the primary optic elements.
  • the total light exit surface formed by the light surface (s) of the one or more primary optic elements has a defined height and width extension, for example in the form of a rectangle, and wherein the focal point of the secondary optic element is in a lateral edge region Total light exit surface is located, and wherein the at least one edge has a course / contour in which the edge to the focal point has a greater normal distance than to a horizontal plane through the focal point of the Sekundäroptikettis in the focal point opposite edge region of the total light exit surface.
  • the diaphragm edge In the edge further away from the focal point, the diaphragm edge therefore has a smaller (normal) distance than in the region of the focal point (which is in the other edge region); for different modules, the focal point may be at different locations, but always in an edge area.
  • the focal point of the secondary optics lies in the plane of the light exit surfaces of the primary optics element or the primary optics, where the optical axis of the secondary optics "pierces" the plane.
  • the normal distance of the diaphragm edge to the focal point of the secondary optical element represents the greatest distance of the diaphragm edge to the horizontal plane, and that the distance to the horizontal plane decreases toward the edge region further away from the focal point.
  • the measures described above ensure that in the areas from which the distortions originate, light is correspondingly isolated, while light from the areas with little or no distortion in the photograph is little or not shielded.
  • the normal distance of the diaphragm edge to the focal point of the secondary optical element is the greatest distance of the diaphragm edge to the horizontal plane represents, and that preferably above the focal point having the edge region of the normal distance to the horizontal plane remains the same as the normal distance of the diaphragm edge to the focal point.
  • the diaphragm arrangement has two optically effective diaphragm edges, an upper diaphragm edge and a lower diaphragm edge, wherein the upper diaphragm edge above a horizontal plane through the optical axis of the secondary optics, runs, and the lower edge below this level.
  • the diaphragm arrangement consists of a diaphragm or two diaphragms which have or have at least one optically effective diaphragm edge, but preferably only one diaphragm component, ie exactly one diaphragm, with one or two diaphragm edges, is provided.
  • a compact and stable arrangement results when the shutter assembly, e.g. the one or both panels, integrally formed with a holder for the primary optics or attached to this holder.
  • the diaphragm arrangement e.g. the one or both diaphragms
  • the diaphragm arrangement is formed from an at least partially transparent in the optical region material, for example, the diaphragm arrangement or the at least one diaphragm is coated with the semi-transparent material.
  • the diaphragm arrangement or the at least one diaphragm is not complete in this case, i. not designed to be 100% light-shielding, but allows some of the light to pass through. In this way, softer spills in the light distribution, primarily at the cut-off line, can be realized.
  • a diaphragm formed from a transparent material is coated on the surface with, for example, metal. Depending on the thickness of the layer seems this is more or less translucent, so partially translucent.
  • This coating can for example be designed so that in the region of the diaphragm edge, this is completely translucent, with increasing distance from the diaphragm edge which is less transparent.
  • the at least one diaphragm is planar or that the at least one diaphragm edge extends in a vertical plane which is preferably parallel to the total light exit surface of the primary optical elements. lies.
  • the at least one aperture is flat and is normal to the light exit direction in the beam path.
  • the at least one diaphragm or the at least one diaphragm edge is curved in the horizontal direction, the curvature preferably corresponding substantially to the field curvature of the secondary optical element or following this field curvature.
  • the curvature of the at least one diaphragm edge follows the field curvature of the secondary optics, or the diaphragm (at least one diaphragm edge) is curved away from the light exit surface of the primary optic element.
  • the diaphragm edge or the projection of the at least one diaphragm edge in a vertical plane has a curved course.
  • An aperture edge thus consists of a projection in the vertical plane of one or more curved curve sections.
  • the diaphragm edge or the projection of the at least one diaphragm edge into a vertical plane consists of one or more rectilinear section (s).
  • transition between two rectilinear sections or between two curved curve sections discontinuously, e.g. in the form of an edge.
  • the diaphragm edge or the projection of the at least one diaphragm edge has a continuous or a discontinuous course.
  • the upper edge has a smaller normal distance, preferably along the entire horizontal extension, to a horizontal plane through the focal point of the secondary optical element than the lower edge.
  • a high beam or a partial high beam can be generated in an optimal manner.
  • the position of the plane EH basically depends on which light distribution is to be generated, so the invention is not limited to the fact that the plane EH is above the plane of symmetry.
  • the light exit surface of a primary optics in the vertical and horizontal directions is symmetrical.
  • the upper and the lower diaphragm edge have a horizontal plane that halves this light exit surface at approximately the same distance (at the same position along the plane in the horizontal direction); in some variants, the upper and lower edges are even mirrored around this plane, ie have identical distances.
  • the horizontal plane lies through the focal point of the secondary optics above this plane of symmetry, which is why the different distances of the two diaphragm edges to the horizontal plane result from the focal point of the secondary optics.
  • the light image is trimmed correspondingly less in the lower area than in the upper area (the lower area results from projection of the upper area of the light exit area by means of secondary optics and vice versa).
  • the upper and lower edges can have any desired shape, in particular any desired shape, with respect to the specific profile, i. Any symmetries between the upper and lower edge are not absolutely necessary.
  • the upper edge and the lower edge have a mirrored with respect to a horizontal plane of symmetry course. That the top edge, mirrored around the plane of symmetry, gives the bottom edge.
  • the horizontal plane through the focal point of secondary optics lies above this horizontal plane of symmetry through the total light exit surface (see above).
  • the light exit surfaces of the primary optics elements of an LED light source module are connected to each other by means of a translucent material such that light coupled into the primary optics elements enter the translucent material and via a light exit surface of the translucent material Material can escape from this again.
  • the light exit surfaces of the primary optic elements lie in a common area, and that the light exit surface of the translucent material also lies in the common area of the light exit surfaces of the primary optic elements.
  • This common surface is formed either as a plane or curved according to the field curvature of the secondary optics.
  • a part of the light entering a primary optic element is no longer emitted via the light exit surface of the primary optic element itself, but enters the light-transmissive material and exits via its light exit surface.
  • a part of the light which enters the primary optics element mixes and reduces or eliminates the inhomogeneities in the light image.
  • the light emerging from the translucent material thus contributes to the distribution of light.
  • the light exit surfaces of the primary optic elements are connected to one another in an upper and / or lower region.
  • the primary optic elements are in any case connected to one another in the upper region.
  • the terms “top” and “bottom” refer to the state of the module / headlamp installed in the vehicle.
  • This upper area is imaged via the secondary optics in the light image below the cut-off line, where the unwanted inhomogeneities occur first or most.
  • the compound in the lower region is of less importance optically and has advantages, especially in mechanical terms, to increase the stability of the entire element, formed from the individual Primärophkmaschinen.
  • At least one substantially horizontally extending connecting web which is formed from the translucent material, is provided, which connects the primary optics elements in the upper and / or lower region of their light exit surfaces.
  • the at least one connecting web is formed integrally with the light exit surfaces of the primary optic elements or with the primary optic elements, i. the individual primary optic elements and the connecting bridge or links form a single element, the so-called primary optic.
  • the light exit surfaces of the primary optic elements and those of the at least one connecting web form a common light exit surface, i. that they lie in a common plane and preferably also without interruption, i. without a gap, etc., are interconnected.
  • the at least one connecting web extends in the vertical direction upwards / downwards in each case beyond a certain, defined height beyond the light exit surfaces of the primary optics elements.
  • the at least one connecting web extends in the horizontal direction to the rear in the direction of the light sources and is connected to the primary optics over a certain extent.
  • the design of the one or more connecting webs in particular the extension of the / the connecting web (s) to the rear has on the one hand effects on the homogeneity of the light image, which on the other hand with a reduction of the maximum in the light distribution, ie, the more homogeneous the light image is selected more strongly the maximum is reduced.
  • the extension of the at least one connecting web downwards / upwards and / or the outward extension of the at least one connecting web laterally beyond the light exit surfaces of the primary optics and / or the extension of the at least one connecting web in the horizontal direction to the rear, in particular, the extension, via which the at least one connecting web is connected to the primary optical elements, is / are selected such that the desired degree with respect to the homogeneity of the photoimage and the desired degree of reduction of the maximum in the light distribution result.
  • Light from the LEDs propagates in the primary optic elements as a result of total internal reflection.
  • the translucent areas i. into which or the connecting webs can occur, it is therefore advantageous, as described above, if they are connected over a certain extent to the primary optics - in the sense of contacting one another, preferably being connected to one another, in particular in one piece.
  • the at least one, in particular the upper, connecting web in the direction of the light coupling points of the primary optic elements is designed to be, for example, wedge-shaped, tapered.
  • This embodiment brings significant improvements in optical terms in comparison with a cuboid, so not tapered embodiment of the connecting web. This applies in particular, the farther the connecting bridge extends to the rear. In addition, material can be saved by the wedge shape, which leads to a cost reduction. In particular, it may be favorable if the primary optic elements expand from their light coupling points to the light exit surfaces, with the primary optic elements expanding more towards the bottom than towards the top.
  • the primary optic elements have e.g. a wedge-shaped shape, wherein the element rises more towards the bottom.
  • light exit surfaces of different shapes e.g. be used with different widths (horizontal extent).
  • certain areas of the light distribution can be generated with narrower light exit surfaces, resulting in a finer segmentation of the light image there and smaller or narrower areas can be hidden.
  • the light exit surfaces of the primary optic elements are arranged parallel to one another and with identical orientation.
  • the light exit surfaces of the primary optic elements of an LED light source module are arranged at a horizontal distance next to each other.
  • each LED light source module is associated with secondary optics, which image the light segments generated by the light exit surfaces of the primary optics elements-in the vehicle-mounted state of the headlight-in a region located in front of the vehicle.
  • the inventive arrangement of the LED light sources in two or more LED light source modules allows a homogeneous light distribution, e.g. a high beam distribution, be generated by corresponding horizontal juxtaposition and / or superimposition of the individual light segments, from which light distribution by switching off one or more LED light sources very specific areas of the light distribution "hidden", i. can not be illuminated, for example, to avoid dazzling oncoming traffic.
  • a homogeneous light distribution e.g. a high beam distribution
  • the individual light segments can be arranged directly adjacent to one another in the horizontal direction.
  • one or more other light segments can additionally be superimposed in such regions of abutting light segments. This also has the advantage that, as discussed later in detail, by fading out e.g. two light segments areas of the light distribution can be "hidden" or not illuminated, which are narrower than a light segment.
  • the light exit surfaces are standing in the vertical direction, with a height greater than the width, are formed, e.g. in the form of rectangles or ellipses etc.
  • adjacent light exit surfaces of the primary optics elements of an LED light source module have a normal distance from each other, which corresponds to the width of a light exit surface, and preferably a first overall arrangement of the light exit surfaces occupies a first defined position with respect to the optical axis of their secondary optics , and wherein a second / third / fourth-nth overall arrangement with respect to the optical axis of its secondary optics by half / single / double / quadruple / ((n-1) / 2) compared to the first overall arrangement times the normal distance between two adjacent light exit surfaces of an LED light source module is shifted.
  • the distances between light exit surfaces of adjacent primary optics elements are the same for three or more primary optics elements, and preferably all distances between the light exit surfaces of adjacent LED light sources are identical over the entire headlamp.
  • An inventive LED motor vehicle headlight for generating a dynamic light distribution comprises two or more LED light source modules as described above, wherein preferably the Sekundäroptikimplantation the LED light source modules and the arrangement of the light exit surfaces of the primary optic elements are coordinated such that the light segments from the individual LED light source modules are shown offset in the horizontal direction to each other, and wherein the individual LED light sources are controlled separately.
  • the course of at least one aperture edge in all LED light source modules is identical, in particular that at two aperture edges per LED light source module, the upper panel edges a have identical course and / or the lower edge edges have an identical course.
  • the respective at least one diaphragm edge are arranged differently in relation to the total light exit surfaces in the different LED light source module.
  • the LED light source modules are arranged in a horizontal row.
  • the individual segments of the primary optics can be imaged side by side and overlapping to form the desired light distribution in front of the vehicle.
  • the focal points of the secondary optics elements of the LED light source modules lie in a common vertical plane, which is spanned by the total light exit surfaces of the primary optics of the LED light source modules, as well as in a common horizontal plane.
  • the focal points of the secondary optics of the individual LED light source modules will be laterally, i. are arranged offset in the horizontal direction to each other.
  • the foci of the secondary optical elements lie in a lateral edge region of the total light exit surface of the respectively associated primary optics, wherein in a first outer LED light source module, the focal point is closest to the edge of the total light exit surface, and with progression in the direction of the second outer LED light source module the focal point moves away from the edge.
  • the foci therefore move away from the one edge, but only to the extent that they still remain in the "edge area". That is, the two outer foci lie in approximately in the region of the width of a segment, ie the width of the light exit surface of a primary optic element apart.
  • the focal point comes closest to the edge of the total light exit surface of the primary optics, and in the vehicle outer LED light source module, the focal point furthest from the edge of the total light exit surface of the associated primary optics is removed.
  • all distances between light exit surfaces of adjacent LED light sources over the entire headlight are identical, resulting in a simple structure with identical modules, with which a basically homogeneous possible light distribution can be achieved.
  • the term “homogeneous” does not mean that the light image is the same everywhere over the illuminated area, but that the transitions between areas of different brightness are continuous in the light image and no sharp transitions occur be “blotchy” but have smooth transitions from lighter to darker areas.
  • the photograph can be further improved significantly.
  • the overall arrangement of the light exit surfaces of an LED light source module with respect to the optical axis of Sekundäroptikiatas occupies a defined position in the horizontal direction, and wherein the different overall arrangements of the individual LED light source modules from each other different defined position in have horizontal direction with respect to the optical axis of their respective associated Sekundäroptikimplantations.
  • the light exit surfaces of all LED light source modules of the headlamp are each arranged on one side of a vertical plane through the optical axis of their respective associated secondary optics.
  • an LED light source comprises at least two LEDs arranged horizontally one above the other, which light emitting diodes are independently controllable, and wherein each of the at least two light emitting diodes on the light exit surface of the primary optics as horizontal light segments - within the vertical light segment imaged by the primary optics - imaged become.
  • each LED of an LED light source can be controlled separately.
  • each LED headlamp Light source preferably each LED of the two headlights can be controlled separately.
  • the left and the right headlamps have a mirror-image construction with respect to the arrangement of the focal points of the secondary optics with respect to the associated primary optics and with regard to the course of the diaphragm edges.
  • FIG. 1 shows an LED motor vehicle headlight SW1 for generating a dynamic light distribution, here a left headlight, with four arranged in a row LED light source module M1 - M4.
  • Each LED light source module M1 - M4 has a secondary optic S1, S2, S3, S4, which images the light emerging from the total light exit surface GLF of a primary optic PG - in the vehicle-mounted state of the headlight SW1 - as a light image in an area ahead of the vehicle.
  • FIG. 2 shows such a LED light source module M1 (M2, M3, M4), without secondary optics, in a detailed representation.
  • the LED light source module M1 comprises a plurality of LED light sources LEQ, in this case four such LED light sources, which in turn each consist of at least one light-emitting diode.
  • LEQ each with exactly two LEDs LED1, LED2.
  • FIGS. 4 and 5 show the LED light source module FIG. 2 still in a view from above and in a perspective view obliquely from behind.
  • Each LED light source LEQ couples light into an associated primary optic element P1-P4, which exits via the respective light exit surface L1-L4 of the primary optic element P1-P4.
  • These light exit surface segments L1 - L4 are shown as light segments in the light image, the superimposition of the segments of the individual modules M1 - M4 of the (left) headlamp and those of the right headlamp then give the total light distribution.
  • the light exit surface L1 - L4 form the total light exit surface GLF, wherein in this variant of the invention advantageously the primary optic elements P1 - P4 are connected in an upper region with a connecting web VS1 and preferably also in a lower region with such a web VS2.
  • the primary optic elements P1 - P4 are connected in an upper region with a connecting web VS1 and preferably also in a lower region with such a web VS2.
  • these webs VS1, VS2 can also light from the LED light sources LEQ enter, which then exits via the light exit surfaces LF1, LF2 of the webs VS1, VS2 again and contributes to the light distribution and homogenized.
  • the light exit surfaces LF1, LF2 of the two webs are thus part of the total light exit surface GLF, and the primary optics P1 - P4 and the two webs VS1, VS2, which are preferably integrally formed from the same material, form the so-called primary optics.
  • a diaphragm assembly BAO which in the example shown two optically effective diaphragm edge BK1, BK2, which are arranged and / or extend that in an upper and / or lower portion of the light image, unwanted distortions are at least partially hidden in the photograph.
  • the two diaphragm edges BK1, BK2 are formed as edges of two planar diaphragms BLE1, BLE2.
  • the diaphragm edges BK1, BK2 or their projection into a vertical plane has, for example, a curved course.
  • An aperture edge thus consists of a projection in the vertical plane of one or more curved curve sections.
  • FIG. 3 schematically shows a vehicle headlamp system consisting of a right-hand headlight SWr, in the FIG. 3 is shown above, and a left-hand headlight SW1, which is shown below.
  • these two headlights are of course left and right, preferably arranged in the corner regions of the vehicle front of a vehicle and not, as shown, one above the other.
  • the modules M1 - M4 (M1 '- M4') of a headlamp are of almost identical construction, i. identical primary optics PG and identical diaphragm arrangements, i. identical diaphragm edges BK1, BK2 used.
  • the difference between the individual modules M1 - M4 (M1 '- M4') consists in the position of the diaphragm edges BK1, BK2 with respect to the light exit surfaces GLF of the primary optics PG, as will be discussed in more detail below.
  • the secondary optics are generally identical in principle, but differ within a headlight and between the headlamps by different Designbelie.
  • the total light exit surface GLF of the primary optics PG formed from the light exit surfaces L1 - L4 of the primary optics P1 - P4 and the light exit surfaces LF1, LF2 of the connecting webs VF1, VF2 has a defined height and width extension, for example in the form of a rectangle, on.
  • the total light exit surface GLF is then this rectangle, minus those areas in which there is no light exit surface, ie in particular those areas between the primary optic elements and laterally next to the two outer primary optic elements.
  • edges BK1, BK2 have a profile / contour in which the edges BK1, BK2 to the focal point FS1, FS2, FS3, FS4 (ie to a horizontal plane EH through the focal point in the focal point) have a greater normal distance than to the horizontal plane EH through the focal point in a the edge region RB1, in which the focal point FS1, FS2, FS3, FS4 is located, opposite edge region RB2 of the total light exit surface GLF.
  • the diaphragm edge thus has a smaller (normal) distance to this horizontal plane than in the region RB1 of the focal point.
  • the focus is as in FIG. 3 seen, at different locations, but always in the edge region RB1.
  • the focal point of a secondary optic lies in the (vertical) plane of the light exit surfaces of the primary optics, where the optical axis of the secondary optics "pierces" the plane.
  • the normal distance of the diaphragm edge BK1, BK2 to the focal point FS1, FS2, FS3, FS4 of the secondary optical element S1-S4 represents the largest distance of the diaphragm edge BK1, BK2 to the horizontal plane EH. To that of the focal point FS1, FS2, FS3, FS4 on distant edge region RB2 towards the normal distance to the horizontal plane EH decreases.
  • the measures described above ensure that in the areas from which the distortions originate, light is correspondingly isolated, while light from the areas with little or no distortion in the photograph is little or not shielded.
  • the normal distance of the diaphragm edges BK1, BK2 to the focal points FS1, FS2, FS3, FS4 represents the greatest distance of the respective diaphragm edge BK1, BK2 to the horizontal plane EH, and that preferably via the Focus point FS1, FS2, FS3, FS4 having edge region RB1 addition to the normal distance to the horizontal plane EH then remains the same.
  • the course of the diaphragm edges BK1, BK2 can be "independent" of each other, but the diaphragm edges of a module can also, as in FIG. 3 shown with respect to a horizontal plane of symmetry (which lies below the plane EH) mirrored course. That is, the upper edge, mirrored about the plane of symmetry, gives the lower edge.
  • the horizontal plane through the focal point of the secondary optics is in the example shown, in which a high beam and / or partial high beam is generated, above this horizontal plane of symmetry through the total light exit surface (see above).
  • the plane EH lies in the symmetry plane of the primary optics.
  • the upper edge BK1 has a smaller normal distance, preferably along the entire horizontal extent, to a horizontal plane EH through the focal point FS1, FS2, FS3, FS4 of the secondary optic element S1-S4 than the lower edge BK2 (in each case with respect to FIG a defined point along the horizontal plane).
  • the horizontal plane lies through the focal point of the secondary optics, above this plane of symmetry, which is why the different distances of the two diaphragm edges to the horizontal plane result from the focal point of the secondary optics.
  • the light image is trimmed correspondingly less in the lower area than in the upper area (the lower area results from projection of the upper area of the light exit area by means of secondary optics and vice versa).
  • the upper and lower edges can have any desired shape, in particular any desired shape, with respect to the specific profile, i. Any symmetries between the upper and lower edge are not absolutely necessary.
  • the secondary optics of the LED light source modules M1, M2, M3, M4; M1 ', M2', M3 ', M4' and the arrangement of the light exit surfaces GLF of the primary optics PG are coordinated such that the light segments from the individual LED light source modules M1, M2, M3, M4; M1 ', M2', M3 ', M4' are shown offset from one another in the horizontal direction.
  • the individual LED light sources can be controlled separately.
  • the LED light source modules M1 - M4; M1 - M4 'of a headlamp are each arranged in a horizontal row, so that the individual segments of the primary optics lie next to one another and are overlapped to form the desired light distribution in front of the vehicle.
  • the foci FS1 - FS4, FS1 '- FS4' of the secondary optics elements of the LED light source modules lie in a common vertical plane, which is spanned by the total light exit surfaces GLF of the primary optics PG of the LED light source modules, and in a common horizontal plane EH.
  • the foci FS1-FS4, FS1'-FS4 'of the secondary optics of the individual LED light source modules are laterally, i. arranged offset in the horizontal direction to each other.
  • the focal points FS1 - FS4, FS1 '- FS4' of the secondary optics are each in a lateral edge region RB1 of the total light exit surface GLF of the respectively associated primary optics PG, wherein in a first outer LED light source module M1, M1 '( the vehicle-inner module) the focal point FS1, FS1 'is closest to the edge of the total light exit surface GLF, and progressing in the direction the opposite outer LED light source module M4, M4 '(vehicle exterior) of the headlight, the focal point FS2 - FS4, FS2' - FS4 'moves away from the edge.
  • the foci thus move away from the one edge, but only to the extent that they still remain in the "edge region" RB1.
  • the two outer foci ( FIG. 3 : FS1, FS4 or FS1 ', FS4') are approximately in the range of the width of a segment, ie the width of the light exit surface of a primary optics element apart.
  • the displacement of the individual focal points with respect to the edge depends on the width of the segments (width of the light exit surfaces of the primary optic elements) and is chosen such that a desired homogeneity and resolution of the light distribution results.
  • the distance from focal point FS1 to FS3 is the same as the width of the light exit surface of the attachment optics.
  • module M1 and module M3 give full light distribution (i.e., module M3 illuminates into the gaps of module M1).
  • the foci of FS2 and FS4 also have the same distance to each other and also give a full light distribution.
  • the distance between FS1 and FS2 or FS3 and FS4 is not a whole, but only a half segment width.
  • the diaphragm or the diaphragm edges are fixedly arranged with respect to the focal point of the secondary optics, i. in a specific embodiment, the aperture can be fixed to the projection lens (secondary optics).
  • the primary optics are thus shifted horizontally laterally to the projection lenses and diaphragms.
  • the projection lens can thus preferably form a structural unit with the diaphragm, for example, the diaphragm can be mounted on the lens holder.
  • FIG. 6 shows an exemplary, schematic light distribution generated with a single LED light source module without aperture arrangement according to the invention. As you can see, the light image is increasingly distorted with increasing distance from the vertical 0 ° line.
  • FIG. 7 shows an exemplary, schematic light distribution of a module as in FIG. 6 used, but now with the interposition of a diaphragm arrangement according to the invention. As can be clearly seen in the figure, here the light image no longer has any appreciable distortions.
  • FIG. 8 shows again - analogous to FIG. 1 - A vehicle headlight with four LED light source modules M1 - M4 in a row.
  • the aperture arrangement BAO comprises here - see also in detail also FIG. 9 - Two optically effective diaphragm edges BK1, BK2, which are formed in a single diaphragm BLE.
  • the diaphragm edges BK1, BK2 or the projections of the two diaphragm edges BK1, BK2 consist of a vertical plane consisting of a plurality of rectilinear sections A11, A12, A13, A14, A15, A16, A21, A22, A23, A24, A25. A26.
  • the transition between two rectilinear sections takes place discontinuously, for example, as shown in the form of an edge.
  • FIGS. 11 and 12 show the module FIG. 8 Furthermore, in a view from the side or obliquely behind.
  • FIGS. 13 and 14 still show an LED light source module with a shutter assembly BAO as in FIG. 8 , with the difference that the diaphragm assembly BAO is formed integrally with a holder HAL for the primary optics PG.
  • the diaphragm edges BK1, BK2 are formed in the holder HAL for the primary optics PG.
  • the holder HAL basically consists - not only if the panel edges are formed on it - of a non-translucent material, otherwise light could also propagate in the holder, whereby the optical function would be impaired - even to non-functioning.
  • the holder attaches the primary optics PG to the LED-Print PRI.
  • the diaphragm is planar or that the diaphragm edges BK1, BK2 lie in a vertical plane which runs parallel to the total light exit surface PG of the primary optic element ,
  • the aperture is flat and is normal to the light exit direction in the beam path.
  • FIG. 15 shows a further variant in a view from above, in which the diaphragm BLE (and thus the one or both diaphragm edges) is curved in the horizontal direction, wherein the curvature preferably substantially corresponds to the field curvature of the Sekundäroptikiatas or this field curvature follows.
  • the diaphragm BLE is curved away from the light exit surface of the primary optic element.
  • the curvature of the at least one diaphragm edge (in a horizontal plane) follows the field curvature of the secondary optics.

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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)

Claims (28)

  1. Module de sources lumineuses à DEL (M1 - M4, M1' - M4') pour un projecteur de véhicule automobile à DEL (SWl, SWr), en particulier pour un projecteur de véhicule automobile à DEL (SWl, SWr) destiné à produire une répartition dynamique de la lumière,
    dans lequel le module de sources lumineuses à DEL (M1 - M4, M1' - M4') comprend au moins une source lumineuse à DEL (LEQ),
    dans lequel l'au moins une source lumineuse à DEL (LEQ) se compose d'au moins une diode électroluminescente (LED1, LED2), et l'au moins une diode électroluminescente (LED1, LED2) de l'au moins une source lumineuse à DEL (LEQ) injecte de la lumière dans un élément optique primaire correspondant (P1 - P4), la lumière injectée ressortant au moins partiellement par une surface de sortie de lumière (L1 - L4) de l'élément optique primaire (P1 - P4),
    et dans lequel
    le module de sources lumineuses à DEL (M1 - M4, M1' - M4') comprend une optique secondaire (S1, S2, S3, S4) qui - à l'état de montage du projecteur (SW) dans un véhicule - reproduit sous forme de photographie, dans une zone située en avant du véhicule, la lumière sortant de l'au moins une surface de sortie de lumière (L1 - L4) de l'au moins un élément optique primaire (P1 - P4),
    dans lequel
    entre l'au moins une surface de sortie de lumière (L1 - L4) de l'au moins un élément optique primaire (P1 - P4) et l'optique secondaire (S1 - S4) est prévu un agencement de diaphragmes (BAO), lequel comprend au moins une arête de diaphragme à effet optique (BK1, BK2), caractérisé en ce que la surface totale de sortie de lumière (PG) formée de la ou des surface(s) de lumière (L1 - L4) dudit ou desdits élément(s) optique(s) primaire(s) (P1 - P4) présente une hauteur et une largeur définies, par exemple sous la forme d'un rectangle, et dans lequel
    un point focal (FS1, FS2, FS3, FS4) de l'élément optique secondaire (S1 - S4) se situe dans une zone de bordure latérale de la surface totale de sortie de lumière (PG), et dans lequel l'au moins une arête de diaphragme (BK1, BK2) présente un parcours/contour dans lequel l'arête de diaphragme (BK1, BK2), par rapport au point focal (FS1, FS2, FS3, FS4), présente un intervalle normal plus important suivant une verticale par rapport à un plan horizontal (EH) traversant le point focal (FS1, FS2, FS3, FS4) de l'élément optique secondaire (S1 - S4) que par rapport au plan horizontal (EH) dans une zone de bordure de la surface totale de sortie de lumière (PG) opposée au point focal (FS1, FS2, FS3, FS4), l'intervalle normal de l'arête de diaphragme (BK1, BK2) par rapport au point focal (FS1, FS2, FS3, FS4) de l'élément optique secondaire (S1 - S4) représentant l'intervalle le plus important de l'arête de diaphragme (BK1, BK2) par rapport au plan horizontal (EH), et dans lequel l'intervalle normal par rapport au plan horizontal (EH) diminue en direction de la zone de bordure plus éloignée du point focal (FS1, FS2, FS3, FS4),
    de sorte que les distorsions indésirables apparaissant dans une zone supérieure et/ou inférieure de la photographie sont masquées au moins partiellement dans la photographie.
  2. Module de sources lumineuses à DEL selon la revendication 1, caractérisé en ce que l'intervalle normal de l'arête de diaphragme (BK1, BK2) par rapport au point focal (FS1, FS2, FS3, FS4) de l'élément optique secondaire (S1 - S4) représente l'intervalle le plus important de l'arête de diaphragme (BK1, BK2) par rapport au plan horizontal (EH), et en ce que de préférence au-delà de la zone de bordure présentant le point focal (FS1, FS2, FS3, FS4), l'intervalle normal par rapport au plan horizontal (EH) reste identique à l'intervalle normal de l'arête de diaphragme (BK1, BK2) par rapport au point focal (FS1, FS2, FS3, FS4).
  3. Module de sources lumineuses à DEL selon la revendication 1 ou 2, caractérisé en ce que l'agencement de diaphragmes (BAO) comprend deux arêtes de diaphragme à effet optique, une arête de diaphragme supérieure (BK1) et une arête de diaphragme inférieure (BK2), l'agencement de diaphragmes (BAO) étant composé de préférence d'un diaphragme (BLE) ou de deux diaphragmes (BLE1, BLE2) comprenant les arêtes de diaphragme à effet optique (BK1, BK2).
  4. Module de sources lumineuses à DEL selon l'une des revendications 1 à 3, caractérisé en ce que l'agencement de diaphragmes (BAO), par exemple le ou les deux diaphragme(s), est formé monobloc avec un support (HAL) pour l'optique primaire ou fixé sur ce support.
  5. Module de sources lumineuses à DEL selon l'une des revendications 1 à 4, caractérisé en ce que l'agencement de diaphragmes (BAO), par exemple le ou les deux diaphragme(s), est formé d'un matériau au moins partiellement transparent dans la zone optique, l'agencement de diaphragmes ou l'au moins un diaphragme étant de préférence revêtu d'un matériau semi-transparent.
  6. Module de sources lumineuses à DEL selon l'une des revendications 1 à 5, caractérisé en ce que l'au moins un diaphragme est formé plat ou en ce que l'au moins une arête de diaphragme (BK1, BK2) se situe dans un plan vertical de préférence parallèle à la surface totale de sortie de lumière (PG) des éléments optiques primaires.
  7. Module de sources lumineuses à DEL selon l'une des revendications 1 à 6, caractérisé en ce que l'au moins un diaphragme ou l'au moins une arête de diaphragme (BK1, BK2) est formé(e) courbé(e) en direction horizontale, la courbure correspondant de préférence sensiblement à la courbure du champ d'image de l'élément optique secondaire (S1 - S4) ou suivant de préférence cette courbure du champ d'image.
  8. Module de sources lumineuses à DEL selon l'une des revendications 1 à 7, caractérisé en ce que l'arête de diaphragme (BK1, BK2) ou la projection de l'au moins une arête de diaphragme (BK1, BK2) dans un plan vertical présente un parcours courbé, la transition entre deux sections de courbe courbées ayant lieu de préférence de manière discontinue, par exemple sous la forme d'une arête, ou en ce que l'arête de diaphragme (BK1, BK2) ou la projection de l'au moins une arête de diaphragme (BK1, BK2) dans un plan vertical se compose d'une ou de plusieurs section(s) rectiligne(s) (A11, A12, A13, A14, A15, A16, A21, A22, A23, A24, A25, A26), la transition entre deux sections de courbe rectilignes ayant lieu de préférence de manière discontinue, par exemple sous la forme d'une arête.
  9. Module de sources lumineuses à DEL selon l'une des revendications 1 à 8, caractérisé en ce que sont prévues exactement deux arêtes de diaphragme (BK1, BK2), l'arête supérieure (BK1) présentant, par rapport à un plan horizontal (EH) traversant le point focal de l'élément optique secondaire (S1 - S4), un intervalle normal moins important par rapport à l'arête inférieure (BK2), de préférence sur toute l'étendue horizontale.
  10. Module de sources lumineuses à DEL selon l'une des revendications 1 à 9, caractérisé en ce que sont prévues exactement deux arêtes de diaphragme (BK1, BK2), l'arête supérieure (BK1) et l'arête inférieure (BK2) présentant un parcours en miroir par rapport à un plan de symétrie horizontal.
  11. Module de sources lumineuses à DEL selon l'une des revendications 1 à 10, caractérisé en ce que les surfaces de sortie de lumière (L1 - L4) des éléments optiques primaires (P1 - P4) d'un module de sources lumineuses à DEL (M) sont reliées les unes aux autres à l'aide d'un matériau translucide, de telle sorte que la lumière injectée dans les éléments optiques primaires (P1 - P4) peut entrer dans le matériau translucide et en ressortir par une surface de sortie de lumière (LF1, LF2) du matériau translucide, les surfaces de sortie de lumière (L1 - L4) des éléments optiques primaires (P1 - P4) se situant de préférence sur une surface commune, et en ce que la surface de sortie de lumière (LF1, LF2) du matériau translucide se situe également sur la surface commune des surfaces de sortie de lumière des éléments optiques primaires.
  12. Module de sources lumineuses à DEL selon la revendication 11, caractérisé en ce qu'est prévue au moins une entretoise de liaison (VS1, VS2) sensiblement horizontale et formée du matériau translucide, qui relie les éléments optiques primaires (P1 - P4) les uns aux autres dans la zone supérieure et/ou inférieure de leurs surfaces de sortie de lumière (L1 - L4), deux entretoises de liaison (VS1, VS2) sensiblement horizontales et formées du matériau translucide étant de préférence prévues, qui relient les éléments optiques primaires (P1 - P4) les uns aux autres dans la zone supérieure et inférieure de leurs surfaces de sortie de lumière (L1 - L4).
  13. Module de sources lumineuses à DEL selon la revendication 11 ou 12, caractérisé en ce que les surfaces de sortie de lumière (L1 - L4) des éléments optiques primaires (P1 - P4) sont formées rectangulaires, les surfaces de sortie de lumière (L1 - L4), debout en direction verticale, étant formées de préférence avec une hauteur (h) supérieure à leur largeur (b).
  14. Module de sources lumineuses à DEL selon l'une des revendications 11 à 13, caractérisé en ce que toutes les surfaces de sortie de lumière (L1 - L4) présentent une forme identique.
  15. Module de sources lumineuses à DEL selon l'une des revendications 11 à 14, caractérisé en ce que les surfaces de sortie de lumière (L1 - L4) des optiques primaires (P1 - P4) sont agencées parallèlement les unes aux autres et selon une orientation identique.
  16. Module de sources lumineuses à DEL selon l'une des revendications 11 à 15, caractérisé en ce que les surfaces de sortie de lumière (L1 - L4) des éléments optiques primaires (P1 - P4) d'un module de sources lumineuses à DEL (M ; M1, M2, M3, M4) sont agencées les unes à côté des autres selon un intervalle horizontal (A).
  17. Module de sources lumineuses à DEL selon l'une des revendications 14 à 16, caractérisé en ce que, en cas de présence de trois optiques primaires (P1 - P4) ou plus, les intervalles (A) entre les surfaces de sortie de lumière (L1 - L4) d'optiques primaires (P1 - P4) adjacentes sont identiques.
  18. Projecteur de véhicule automobile à DEL (SWl, SWr) pour la production d'une répartition dynamique de la lumière, comprenant deux ou plusieurs modules de sources lumineuses à DEL (M1, M2, M3, M4 ; M1', M2', M3', M4') selon l'une des revendications 1 à 17, les éléments optiques secondaires (S1, S2, S3, S4) des modules de sources lumineuses à DEL (M1, M2, M3, M4 ; M1', M2', M3', M4') et l'agencement des surfaces de sortie de lumière (L1 - L4) des éléments optiques primaires étant de préférence coordonnés de telle sorte que les segments de lumière produits par les surfaces de sortie de lumière (L1 - L4) des éléments optiques primaires (P1 - P4) et issus des modules de sources lumineuses à DEL (M1, M2, M3, M4 ; M1', M2', M3', M4') individuels sont reproduits en quinconce les uns par rapport aux autres en direction horizontale, et les sources lumineuses à DEL individuelles pouvant être commandées séparément.
  19. Projecteur selon la revendication 18, caractérisé en ce que le parcours de l'au moins une arête de diaphragme (BK1, BK2) est identique pour tous les modules de sources lumineuses à DEL (M1, M2, M3, M4 ; M1', M2', M3' , M4'), en particulier en ce que, en cas de présence de deux arêtes de diaphragme (BK1, BK2) par module de sources lumineuses à DEL, les arêtes de diaphragme supérieures (BK1) présentent un parcours identique et/ou les arêtes de diaphragme inférieures (BK2) présentent un parcours identique.
  20. Projecteur selon l'une des revendications 18 ou 19, caractérisé en ce que l'au moins une arête de diaphragme (BK1, BK2) est agencée différemment par rapport aux surfaces totales de sortie de lumière (GLF) dans les différents modules de sources lumineuses à DEL.
  21. Projecteur selon l'une des revendications 18 à 20, caractérisé en ce que les modules de sources lumineuses à DEL (M1 -M4 ; M1 - M4') sont agencés en une ligne horizontale, les points focaux (SF1 - SF4) des éléments optiques secondaires (S1 - S4) des modules de sources lumineuses à DEL se situant de préférence dans un plan vertical commun formé par les surfaces totales de sortie de lumière (GLF) des optiques primaires (PG) des modules de sources lumineuses à DEL, ainsi que dans un plan horizontal (EH) commun, et les points focaux (SF1 - SF4) des optiques secondaires (S1 - S4) des modules de sources lumineuses à DEL (M1 - M4) individuels étant de préférence - par rapport à la surface totale de sortie de lumière (GLF) respective des optiques primaires (PG) - agencés latéralement en quinconce les uns par rapport aux autres, c'est-à-dire en direction horizontale.
  22. Projecteur selon la revendication 21, caractérisé en ce que les points focaux (FS1, FS2, FS3, FS4) des éléments optiques secondaires (S1 - S4) se situent dans une zone de bordure latérale de la surface totale de sortie de lumière (GLF) de l'optique primaire respectivement correspondante (PG), le point focal (FS1) étant le plus proche du bord de la surface totale de sortie de lumière (GLF) dans un premier module extérieur de sources lumineuses à DEL (M1), et le point focal (FS2, FS3, FS4) s'éloignant du bord en progressant en direction du deuxième module extérieur de sources lumineuses à DEL (M4), le point focal (FS1) se rapprochant de préférence le plus du bord de la surface totale de sortie de lumière (GLF) de l'optique primaire (PG) pour le module de sources lumineuses à DEL interne au véhicule (M1), et le point focal (FS4) étant le plus éloigné du bord de la surface totale de sortie de lumière (GLF) de l'optique primaire correspondante (PG) pour le module de sources lumineuses à DEL externe au véhicule (M1).
  23. Projecteur selon l'une des revendications 18 à 22, caractérisé en ce que les modules de sources lumineuses à DEL (M1 - M4 ; M1' - M4') individuels présentent des éléments optiques secondaires (S1, S2, S3, S4) identiques.
  24. Projecteur selon l'une des revendications 18 à 23, caractérisé en ce que tous les intervalles (A) entre les surfaces de sortie de lumière (L1 - L4) de sources lumineuses à DEL adjacentes sont identiques sur l'ensemble du projecteur.
  25. Projecteur selon l'une des revendications 18 à 24, caractérisé en ce que l'agencement global des surfaces de sortie de lumière (L1 - L4, LF1, LF2) d'un module de sources lumineuses à DEL (M1, M2, M3, M4) par rapport à l'axe optique (X) de l'élément optique secondaire (S1, S2, S3, S4) prend une position définie en direction horizontale, et dans lequel les différents agencements globaux des modules de sources lumineuses à DEL individuels (M1, M2, M3, M4) présentent une position définie différente les uns par rapport aux autres en direction horizontale par rapport à l'axe optique de leur élément optique secondaire respectivement affecté (S1, S2, S3, S4).
  26. Projecteur selon l'une des revendications 18 à 25, caractérisé en ce que chaque diode électroluminescente d'une source lumineuse à DEL peut être commandée séparément.
  27. Système de projecteur de véhicule avec deux projecteurs (SWl, SWr) selon l'une des revendications 18 à 26, dans lequel le projecteur gauche (SWl), à l'état monté dans le véhicule, produit sur la chaussée la partie gauche de la répartition de la lumière et le projecteur droit (SWr) produit la partie droite de la répartition de la lumière, au moins chaque source lumineuse à DEL, de préférence chaque diode électroluminescente des deux projecteurs, pouvant de préférence être commandée séparément.
  28. Projecteur de véhicule selon la revendication 26 ou 27, caractérisé en ce que le projecteur gauche et le projecteur droit présentent une structure renversée en termes d'agencement des points focaux des optiques secondaires par rapport aux optiques primaires correspondantes et en termes de parcours des arêtes de diaphragme.
EP12750982.6A 2011-08-08 2012-07-16 Module de sources lumineuses à del pour un projecteur de véhicule automobile à del Active EP2742281B1 (fr)

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ATA1140/2011A AT511760B1 (de) 2011-08-08 2011-08-08 Led-lichtquellenmodul für einen led-kraftfahrzeugscheinwerfer sowie led-kraftfahrzeugscheinwerfer und scheinwerfersystem
PCT/AT2012/050106 WO2013020156A1 (fr) 2011-08-08 2012-07-16 Module de sources lumineuses à del pour un projecteur de véhicule automobile à del

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EP2742281A1 EP2742281A1 (fr) 2014-06-18
EP2742281B1 true EP2742281B1 (fr) 2016-02-10

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EP (1) EP2742281B1 (fr)
JP (1) JP5768993B2 (fr)
CN (1) CN103732981B (fr)
AT (1) AT511760B1 (fr)
BR (1) BR112014000956A8 (fr)
MX (1) MX2014001565A (fr)
WO (1) WO2013020156A1 (fr)

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AT512246B1 (de) 2011-11-22 2014-02-15 Zizala Lichtsysteme Gmbh Led-projektionsmodul und scheinwerfer mit modul
AT513816B1 (de) 2012-12-20 2015-11-15 Zizala Lichtsysteme Gmbh Lichtführungseinheit für eine Leuchteinheit eines Scheinwerfers sowie Leuchteinheit und Schweinwerfer
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US20140204602A1 (en) 2014-07-24
EP2742281A1 (fr) 2014-06-18
CN103732981A (zh) 2014-04-16
WO2013020156A1 (fr) 2013-02-14
BR112014000956A8 (pt) 2018-04-03
AT511760A1 (de) 2013-02-15
JP2014524115A (ja) 2014-09-18
AT511760B1 (de) 2013-12-15
JP5768993B2 (ja) 2015-08-26
MX2014001565A (es) 2014-09-15
US9243771B2 (en) 2016-01-26
CN103732981B (zh) 2016-09-07
BR112014000956A2 (pt) 2017-02-21

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