EP2846077B1 - Optique de projection destinée à être utilisée dans un module à DEL d'un phare de véhicule automobile, et module à DEL et phare de véhicule automobile doté d'une telle optique de projection - Google Patents

Optique de projection destinée à être utilisée dans un module à DEL d'un phare de véhicule automobile, et module à DEL et phare de véhicule automobile doté d'une telle optique de projection Download PDF

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Publication number
EP2846077B1
EP2846077B1 EP14180018.5A EP14180018A EP2846077B1 EP 2846077 B1 EP2846077 B1 EP 2846077B1 EP 14180018 A EP14180018 A EP 14180018A EP 2846077 B1 EP2846077 B1 EP 2846077B1
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EP
European Patent Office
Prior art keywords
light
led module
exit surface
optic
images
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
EP14180018.5A
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German (de)
English (en)
Other versions
EP2846077A2 (fr
EP2846077A3 (fr
Inventor
Emil P Stefanov
Christian Buchberger
Markus Kiesel
Martin Licht
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.)
Marelli Automotive Lighting Reutlingen Germany GmbH
Original Assignee
Automotive Lighting Reutlingen GmbH
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Publication of EP2846077A2 publication Critical patent/EP2846077A2/fr
Publication of EP2846077A3 publication Critical patent/EP2846077A3/fr
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Publication of EP2846077B1 publication Critical patent/EP2846077B1/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
    • F21S41/153—Light emitting diodes [LED] arranged in one or more lines arranged in a matrix
    • 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
    • F21S41/255—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
    • F21S41/20—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by refractors, transparent cover plates, light guides or filters
    • F21S41/25—Projection lenses
    • F21S41/275—Lens surfaces, e.g. coatings or surface structures
    • 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
    • F21S41/285—Refractors, transparent cover plates, light guides or filters not provided in groups F21S41/24-F21S41/28
    • 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
    • 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
    • F21S41/323—Optical layout thereof the reflector having two perpendicular cross sections having regular geometrical curves of a distinct nature
    • 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
    • F21S41/60—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by a variable light distribution
    • F21S41/65—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by a variable light distribution by acting on light sources
    • F21S41/663—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by a variable light distribution by acting on light sources by switching light sources
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21W—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO USES OR APPLICATIONS OF LIGHTING DEVICES OR SYSTEMS
    • F21W2102/00—Exterior vehicle lighting devices for illuminating purposes
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21W—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO USES OR APPLICATIONS OF LIGHTING DEVICES OR SYSTEMS
    • F21W2102/00—Exterior vehicle lighting devices for illuminating purposes
    • F21W2102/10—Arrangement or contour of the emitted light
    • F21W2102/13—Arrangement or contour of the emitted light for high-beam region or low-beam region
    • F21W2102/135—Arrangement or contour of the emitted light for high-beam region or low-beam region the light having cut-off lines, i.e. clear borderlines between emitted regions and dark regions
    • F21W2102/155—Arrangement or contour of the emitted light for high-beam region or low-beam region the light having cut-off lines, i.e. clear borderlines between emitted regions and dark regions having inclined and horizontal cutoff lines
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21W—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO USES OR APPLICATIONS OF LIGHTING DEVICES OR SYSTEMS
    • F21W2102/00—Exterior vehicle lighting devices for illuminating purposes
    • F21W2102/20—Illuminance distribution within the emitted light
    • 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 an LED module of a motor vehicle headlight.
  • the LED module has a light source in the form of an LED matrix, which comprises a plurality of LED chips arranged side by side and / or one above the other, a primary optic which comprises a plurality of primary optical elements arranged side by side and / or one above the other, for bundling the one of the Light source emitted light and the projection optics.
  • the projection optics project an exit surface of the primary optics to generate a predetermined light distribution onto a roadway in front of a vehicle.
  • the present invention also relates to a motor vehicle headlight having such a headlight LED module.
  • Motor vehicle headlights with a light source in the form of an LED matrix which comprises a plurality of LED chips arranged side by side and / or one above the other, are also referred to as matrix headlights.
  • the LED matrix can consist of a single row or column with several LED chips or of several rows or columns arranged one above the other or next to one another, each with several LED chips.
  • Matrix headlights generate a light distribution on the road in front of the motor vehicle, which has a plurality of partial light distributions arranged next to or above one another in the form of pixels or strips. As a rule, each LED chip generates its own partial light distribution.
  • a matrix headlamp without movable parts can be used to generate an adaptive light distribution.
  • a low-beam headlight distribution with a horizontal light-dark boundary a conventional low-beam light distribution with an asymmetrical light-dark boundary, a high beam distribution, a partial high beam distribution in which areas are specifically excluded from the light distribution where other road users have been detected, or a marker light distribution in which the objects detected on the road ahead of the vehicle are generated.
  • Matrix headlights are known in different embodiments from the prior art, cf. e.g. EP 2 306 073 A2 , EP 2 306 074 A2 , EP 2 306 075 A2 or DE 10 2008 013 603 A1 .
  • each primary optic is assigned an individual projection optic (or secondary optic).
  • two light source modules, at least two primary optics modules and at least two secondary optics modules are therefore always combined.
  • At least two light exit surfaces per matrix headlight are therefore visible from the outside.
  • a so-called facet-eye headlight module is created.
  • the strip-shaped partial light distributions projected onto the roadway have a relatively large angular width of at least 2 ° horizontally or even significantly more. The superimposition of such wide stripes improves the homogeneity of the light distribution, but reduces the achievable resolution.
  • the known headlamp requires at least two complete, mutually independent light modules per headlamp, each light module having an LED matrix, a primary optic and a secondary optic. Such a headlamp thus consists of at least two light sources, two primary optics and two secondary optics.
  • the present invention is based on the object To design and develop an LED module of the type mentioned at the outset such that the headlight with a single primary optic and a single projection optic has improved homogeneity of the resulting light distribution, the light distribution being visible from the outside from a single light exit opening or from a single projection optic should emerge from the headlight.
  • the projection optics be designed in such a way that on its image side it generates at least two separate images of the exit surface of the primary optics which are offset from one another in the horizontal direction, so that superimposition of the images produced improves homogeneity of the light distribution .
  • the LED module according to the invention it is possible to generate the desired improved and more homogeneous matrix light distribution from a single visible and tangible outlet opening (so-called one-eye matrix headlights).
  • the proposed projection optics compensate for color effects and homogeneity or intensity fluctuations up to half a pixel width without the use of Special glasses or plastics are required and without reducing the image sharpness, in particular the pixel edge sharpness. Thanks to the proposed projection optics, color compensation and homogeneity improvement can thus be achieved in a matrix headlamp without additional loss of sharpness, in particular in relation to the periodically appearing color, homogeneity and imaging errors.
  • the LED module it is conceivable to vary one or more active optically active surfaces of the projection optics.
  • this can be a light entry surface, a light exit surface and / or any other surface in between (for example in the case of an achromatic lens).
  • the active optically active surface of the projection optics is preferably divided and / or shifted in such a way that the at least two separate images of the light exit surface of the primary optics which are shifted in the horizontal direction are produced.
  • Each of the images generated contributes part of the common luminous flux or part of the intensity and illuminance.
  • the proportion that each image contributes depends on the number of separate images generated.
  • the proportion is preferably 50% for two images and accordingly 33% for three images of the common value of the resulting light distribution.
  • the projection optics are advantageously designed such that the separate images of the exit surface of the primary optics are each offset by a value b / n, where b is a width, in particular an angular width, of a pixel formed by the imaging of an individual light exit surface of an individual primary optic element and n is a number of separate images of the exit surface of the primary optics generated by the projection optics.
  • b is a width, in particular an angular width, of a pixel formed by the imaging of an individual light exit surface of an individual primary optic element
  • n is a number of separate images of the exit surface of the primary optics generated by the projection optics.
  • the projection optics have at least two separate optical axes.
  • the separate optical axes of the projection optics preferably run in the same horizontal plane.
  • the horizontal plane preferably comprises a module axis of an LED module which is provided with the projection lens.
  • the module axis preferably runs from the center of the light exit surface of the primary optics in the direction of travel. The distance between the optical axes is relatively small. It is chosen so that separate images of the light exit surface of the primary optics are generated, which are offset from one another in the horizontal direction by a fraction of a pixel.
  • the different optical axes of the projection optics mean that different images of the light exit surface of the primary optics are generated.
  • the number of separate images generated by the projection lens corresponds to the number of separate optical axes.
  • the images of the light exit surface of the primary optics are offset from one another in accordance with the course of the optical axes.
  • the fact that the optical axes run in the same horizontal plane means that the separate images are only offset from one another in the horizontal direction. If the optical axes were arranged in different horizontal planes, this would result there is also a vertical offset of the images to each other.
  • the separate optical axes of the projection optics run parallel and at a distance from one another.
  • the separate optical axes of the projection optics run at an angle to one another.
  • the optical axes of the projection optics preferably intersect in a plane of the light exit surface of the primary optics.
  • the plane of the light exit surface is preferably perpendicular to the horizontal plane in which the optical axes are arranged. It is particularly preferred if the oblique optical intersect at an intersection of the module axis with the light exit surface of the primary optics.
  • At least one active optical surface of the projection optics be provided with alternating optical regions arranged next to and / or one above the other for generating essentially identical images of the exit surface of the primary optics, a first group of the optical ones Areas produces a first image of the exit surface of the primary optics and at least one further group of the optical regions generates an at least one further image of the exit surface of the primary optics, the generated images being arranged offset from one another in the horizontal direction in the resulting light distribution.
  • at least one active optical surface of the projection optics can be provided with the alternating regions in the manner of a strip or checkerboard. Each group of areas is assigned its own optical axis, which is separate from the optical axes of the other groups of areas.
  • the alternating optical regions are preferably formed on a light exit surface of the projection optics. It is further preferred that the alternating optical regions are designed in the form of strips, the strips extending in the vertical direction. If the projection optics produce two separate images of the light exit surface of the primary optics, the strip-shaped areas are preferably assigned alternately to one of two groups. Accordingly, every third strip-shaped area is preferably assigned to one of three groups if the projection optics generate three separate images of the light exit surface of the primary optics.
  • the active optical surface of the projection optics be provided with a plurality of prisms arranged alongside one another, which extend over the entire surface and whose longitudinal axes run parallel to one another, with a prism surface of the prisms being the first image of the exit surface of the Primary optics and the other prism surface of the prisms creates the second image of the exit surface of the primary optics.
  • the prism surfaces can be flat or curved.
  • a tip of the prisms be flattened over their entire longitudinal extent, so that there is a roof surface of the prisms, which produces a further image of the light exit surface of the primary optics, which corresponds to the other two images in FIG is offset in the horizontal direction.
  • the projection optics can be three separate ones in horizontal Create images of the light exit surface of the primary optics that are offset in relation to one another.
  • the images are preferably offset from one another by b / 3, where b is the width, in particular an angular width, of a pixel of the resulting light distribution, that is to say a partial image of a partial light exit surface of a primary optic element.
  • the prism surfaces of the prisms are each divided into two partial surfaces over their entire longitudinal extent, a line of contact of the partial surfaces of a prism surface of a prism running parallel to the longitudinal axis of the prism, the partial surfaces each being a separate one and generate a staggered image of the light exit surface of the primary optics to the other images.
  • the projection optics in a prism with a tip can produce four separate images of the light exit surface of the primary optics which are offset from one another in the horizontal direction.
  • the projection lens can even produce five separate images of the light exit surface of the primary optics which are offset from one another in the horizontal direction.
  • the images are preferably offset from one another by w '/ 4 or w' / 5, where w 'is the width, in particular an angular width, of a pixel of the resulting light distribution, that is to say a partial image of a partial light exit surface of a primary optic element.
  • the alternating optical regions formed on the at least one active optical surface of the projection optics have an amplitude of less than 0.1 mm, preferably less than a few tens of micrometers, very particularly preferably of a few micrometers.
  • a headlights according to the invention can be realized.
  • a motor vehicle headlight according to the invention is designated in its entirety with reference number 1.
  • the headlight 1 has a housing 2, which is preferably made of plastic.
  • the headlight housing 2 has a light exit opening 4, which is closed by means of a transparent cover plate 5.
  • the cover plate 5 is made of glass or plastic. At least in some areas, optically effective profiles (for example prisms or cylindrical lenses) can be arranged on the cover plate 5 in order to scatter the light passing through (so-called diffuser plate). However, it is also conceivable that the cover plate 5 is designed without such optically active elements (so-called clear plate).
  • a light module 6 is arranged in the interior of the headlight housing 2.
  • the light module 6 can be used to generate any headlight function or a part thereof.
  • the light module 6 can be used to generate a low beam distribution, a high beam distribution, a fog light distribution or any adaptive light distribution.
  • a further light module 7 can be arranged in the housing 2. This is used, for example, to generate a further headlight function. But it would also be conceivable that the light modules 6, 7 together form one generate certain headlight function.
  • the light module 7 could generate a low-beam basic light distribution with a relatively wide scatter and a horizontal cut-off line.
  • the light module 6 could then produce a low beam spot light distribution which is relatively strongly concentrated in comparison with the low beam basic light distribution of the light module 7 and has an asymmetrical light-dark boundary on the upper side. A superimposition of the basic light distribution and the spot light distribution results in a conventional low beam distribution.
  • further light modules are arranged in the headlight housing 2.
  • only one light module for example the light module 6 without the light module 7, can be arranged in the headlight housing 2.
  • one or more light modules, such as the light module 8 shown by way of example are also arranged in the housing 2.
  • the lamp module 8 is used to generate any lamp function, for example a flashing light, a position light, a daytime running light, etc.
  • the light module 6 is preferably designed as an LED module according to the invention.
  • the LED module 6 is in detail in Figure 2 shown.
  • the LED module 6 has a light source in the form of an LED matrix, which is designated in its entirety by the reference number 10.
  • the LED matrix 10 has a plurality of LED chips 11 arranged side by side and one above the other in a matrix.
  • the LED module 6 comprises a primary optic, which is designated in its entirety by the reference number 12.
  • the primary optics 12 have a plurality of primary optics elements 13 arranged side by side and one above the other in a matrix. In the illustrated In the exemplary embodiment, each LED chip 11 is assigned its own primary optical element 13.
  • the LED chip 11 emits light in a main emission direction 14, which largely couples into the primary optic element 13 via a light entry surface 15.
  • the primary optics element 13 itself can be designed as a conventional reflector for specular reflection or as a so-called attachment optics element made of a transparent material (for example glass or plastic) for total reflection.
  • the primary optics element 13 is designed as a totally reflective front lens made of a transparent plastic material.
  • the primary optics 12 can bundle the light emitted by the LED matrix 10.
  • the LED module 6 comprises projection optics 16 which are designed as an optical lens.
  • the projection optics 16 is also referred to as secondary optics.
  • the projection optics 16 can be designed as a conventional optical lens or as an achromatic lens.
  • the headlamp 1 with the LED module 6 is also referred to as a matrix headlamp, since it generates a light distribution with a plurality of pixel or strip-shaped partial light distributions arranged next to and / or one above the other.
  • the individual partial light distributions that are generated by the light of an LED 11 and the associated primary optical element 13 are also referred to as pixels.
  • Each of the partial light distributions is shown by imaging a partial light exit surface of an individual primary optical element 13 the primary optics 12 are generated by means of the projection optics 16.
  • a light distribution of a matrix headlight 1 known from the prior art is shown by way of example.
  • the light distribution 20 is shown on a measuring screen 21, which is arranged at a defined distance from the headlight 1 or the LED module 6 in front of the motor vehicle.
  • the light distribution 20 shown here by way of example has a large number of pixels 22, 23, 24 arranged next to and above one another.
  • the pixels 22, 23, 24 in the exemplary embodiment shown are arranged in three rows and in thirty columns.
  • the pixels of the upper row are designated by the reference symbol 22, the pixels of the middle row by the reference symbol 23 and the pixels of the lower row by the reference symbol 24.
  • Each pixel 22, 23, 24 of the light distribution 20 shown is generated by an LED chip 11 in cooperation with the associated primary optics element 13 after projection by the secondary optics 16.
  • the individual LED chips 11 of the LED matrix 12 By specifically controlling the individual LED chips 11 of the LED matrix 12, it is possible to vary the resulting light distribution 20 almost as desired. For example, it is conceivable to temporarily switch off those LED chips 11 in whose pixel area of the light distribution 20 other road users have been detected. In this way, driving can be carried out continuously with high beam, whereby glare to other road users is prevented by the pixels 22, 23, 24 which are locally removed from the light distribution 20 (so-called partial high beam). It would also be conceivable that the LED module 6 generates a low beam distribution with an asymmetrical upper cut-off line, the LED chips 11 for generating the upper row of pixels 22 are switched off except for a few LED chips 11 for generating pixels 22 on the own traffic side.
  • any other adaptive light distributions 20 can also be achieved by specifically switching the LEDs 11 on / off and / or dimming them.
  • the resulting light distribution 20 can have an undesirable color fringe.
  • the aim of the present invention is to improve the homogeneity of the light distribution 20 with regard to disturbing color effects and intensity fluctuations.
  • the present invention proposes a special homogenizing projection optics (or secondary optics) 16 as a component of a matrix headlight 1 for motor vehicles, in which a light exit surface 17 of the primary optics 12 consists of a plurality of periodic structures that are lined up in a pixel or stripe fashion by the special projection optics 16 is projected onto the road to implement a dynamic low beam, partial high beam, matrix light or high beam function.
  • the projection optics 16 generate at least two separate ones on the image side, ie on the roadway or on a measuring screen 21 Figures 25, 26 (cf. Figures 4 and 5 ) of the light exit surface 17 of the primary optics 12 on the object side.
  • a superimposition of the at least two separate images 25, 26 results in a resulting light distribution 27 (cf. Figure 6 ), the at least two images 25, 26 being offset from one another in the horizontal direction in such a way that there is a clear improvement in the homogeneity of the light distribution 27. In particular, undesired color effects or intensity fluctuations in the light distribution 27 are selectively reduced or even completely eliminated.
  • the separate images 25, 26 of the light exit surface 17 of the primary optics 12 are generated by a common projection optics 16.
  • a first image 25 of the light exit surface 17 of the primary optics 12, which can be generated by the projection optics 16 according to the invention, is exemplified in FIG Figure 4 shown.
  • Figure 25 from Figure 4 is offset by about 1/4 pixel to the left with respect to the vertical VV in the example shown.
  • a second image 26 of the light exit surface 17 of the primary optics 12 is shown.
  • the second separate figure 26 is shifted by about 1 ⁇ 4 pixel to the right with respect to the vertical VV in the exemplary embodiment shown.
  • the first and second images 25, 26 are thus offset relative to one another by approximately 1/2 pixel.
  • Each figure 25, 26 contributes half the common luminous flux to the resulting total light distribution 27, or half the intensity and half the illuminance to the total value of the light distribution 27.
  • the intensity of the individual images 25, 26 depends on the length of the prism surfaces or on the proportion of the prism base surface which is assigned to the corresponding prism surface.
  • a preferred embodiment comprises prisms with the same prism base area proportions.
  • FIG. 7 Shown is the light distribution 20 that was generated using a conventional LED module.
  • the light distribution 20 shown is a low beam or partial high beam, the entire area of the oncoming lane having been removed from the light distribution 20 in order to prevent oncoming road users from being dazzled.
  • the light distribution 20 is shown on a measuring screen 21. It can be clearly seen that the lines 30 of the same intensity or illuminance have inhomogeneities which are recognizable by the restless line course.
  • the lines 31 of the same intensity or illuminance have significantly fewer inhomogeneities in the light distribution 27 generated with the matrix headlamp 1 according to the invention or the LED module 6 according to the invention, which is recognizable by the much quieter line profile.
  • the Figures 7 and 8 show by way of example the same low beam pattern 20, 27 of a matrix headlight 1 with an LED matrix light source 10 with three lines. All LED chips 11 of the LED matrix 10 which generate pixels of the upper and lower lines on the left side of the light distribution 20, 27, plus one pixel on the right side of the light distribution 20, 27 next to the HV point, are switched off, so as not to dazzle oncoming traffic.
  • the ISO lines 30 in Figure 7 are much more restless.
  • the ISO lines 31 from the light distribution 27 Figure 8 on the other hand are smoother and have fewer deviations
  • FIG. 9 An LED module 6 according to the invention with a projection optics 16 according to the invention is shown in detail.
  • the embodiment of the projection optics 16 shown is used to generate two separate images 25, 26 of the light exit surface 17 of the primary optics 12.
  • the projection optics 16 can also be designed such that they produce more than two separate images that are shifted in the horizontal direction.
  • the projection optics 16 has two parallel optical axes, which are designated by the reference numerals 40 and 41.
  • the reference numeral 42 denotes a module axis of the LED module 6, which runs from the center of the primary optics 12 in the direction of travel 3.
  • the distance between the optical axes 40, 41 is small and only so large that the projection optics 16 can project two separate images 25, 26 with 1/2 pixel spacing onto the road in front of the motor vehicle.
  • the optical axes 40, 41 are preferably arranged on a common horizontal plane, which preferably also includes the module axis 42.
  • the projection optics 16 are in two halves 16a, 16b along a vertical central plane, which includes the module axis 42 divided.
  • the one half 16a is preferably assigned the optical axis 41 and the other half 16b is preferably the optical axis 40.
  • the projection optics 16 It is not necessary that all active optical surfaces of the projection optics 16 have to experience a division and / or displacement of the generating surfaces. It is entirely sufficient if only one of these surfaces is shaped in a corresponding manner. This can be, for example, a light entry surface, a light exit surface or an intermediate surface of the primary optics 16. At least one of the active optical surfaces of the projection optics 16 must, however, be modified such that the at least two images 25, 26 of the light exit surface 17 of the primary optics 12 can be generated, which are offset from one another in the horizontal direction.
  • FIG 10 Another embodiment of an LED module 6 according to the invention is shown with two optical axes 43, 44 which run obliquely to one another.
  • the optical axes 43, 44 preferably intersect in a plane of the light exit surface 17 of the primary optics 12.
  • the optical axes 43, 44 are preferably arranged on a common horizontal plane, which preferably also includes the module axis 42.
  • a first half 16a is assigned to the projection optics 16 of the optical axis 44 and a second half 16b is assigned to the projection optics 16 of the optical axis 43.
  • FIG. 11 is a corresponding one Embodiment shown, wherein alternating optical regions 16c, 16d arranged side by side are formed on the light exit surface of the projection optics 16.
  • the regions 16c, 16d are arranged in strips on the light exit surface of the projection optics 16.
  • the areas can also be designed like a checkerboard or in any other way.
  • the optical areas 16c, 16d are not formed on the light exit surface, but on the light entry surface or any other surface between the light entry surface and the light exit surface of the projection optics 16.
  • the optical regions 16c, 16d are designed to generate essentially identical images 25, 26 of the exit surface 17 of the primary optics 12. All areas 16c together produce a first image of the light exit surface 17 and all areas 16d together produce a second image 26 of the exit surface 17.
  • the first optical areas 16c are preferably the first optical axis 40 and the second optical areas 16d are preferably the second optical axis 41 assigned.
  • projection optics 16 can be implemented, which can produce several separate images 25, 26 of the light exit surface 17 of the primary optics 12, which are offset relative to one another in the horizontal direction.
  • the first optical regions 16c form a first group, which produce the first image 25 of the exit surface 17, and the second regions 16d form a second group, which generate the second image 26 of the exit surface 17 of the primary optics 12.
  • the first areas 16c are marked with hatching. However, this serves first Line for identification and for better differentiation of the two areas 16c, 16d from each other.
  • This does not necessarily mean that an optically effective structure, for example a scattering structure, is formed in the areas 16c on the light exit surface of the projection optics 16, whereas such a structure is not formed in the areas 16d. However, this would be entirely possible. It would also be conceivable to provide a scattering structure on the entire light exit surface of the projection optics 16.
  • FIG 12 A further exemplary embodiment of an LED module 6 according to the invention or a projection optics 16 according to the invention is shown.
  • an active optical surface of the projection optics 16 in the exemplary embodiment shown the light exit surface, is provided with a plurality of prisms which are arranged next to one another and which extend over the entire surface and whose longitudinal axes run parallel to one another and in the vertical direction.
  • a first prism surface 16e of the prisms produces a first image 25 of the exit surface 17 of the primary optics 12.
  • Another prism surface 16f of the prisms produces a second image 26 of the exit surface 17 of the primary optics 12.
  • a first prism surface 16e with a second prism surface 16f forms one of the Prisms on the light exit surface of the projection optics 16.
  • the first prism surfaces 16e are preferably assigned the first optical axis 41 and the other prism surfaces 16f the second optical axis 42. In this way too, separate images 25, 26 of the exit surface 17 of the primary optics 12 can be generated, which are offset from one another in the horizontal direction.
  • the amplitudes of the prism structure on the light exit surface of the projection optics 16 Figure 12 are relatively small, making them difficult to see with the naked eye.
  • the magnitude of the amplitudes is thought to be from a few micrometers to a few tens of micrometers.
  • the structures are perceived by an observer from outside the headlight 1 through the cover plate 5 at best as slightly indicated strips or alternatively as a relatively unobtrusive checkerboard pattern on the projection optics 16.
  • FIG. 13 Various design options for the prism structure are proposed on the optically active surface of the projection optics 16.
  • a cross section through one of the prisms is shown above, and below that are the images of the light exit surface 17 of the primary optics 12 that can be achieved by the prism structure shown.
  • the prism structure Figure 13a corresponds to the prism structure, which in the embodiment of the projection optics 16 Figure 12 was applied.
  • the images 25 and 26 that can be achieved in this way are offset from one another by 1/2 pixel width w '.
  • a tip of the prisms 16e, 16f is flattened over their entire longitudinal extent, so that there is a roof surface 16g of the prisms, which generates a further image 28 of the light exit surface 17 of the primary optics 12, which leads to the other two images 25, 26 which are formed by the prism surfaces 16e, 16f are generated, is offset in the horizontal direction.
  • the three images 25, 26, 28 are preferably offset from one another in the horizontal direction by 1/3 pixel width w '.
  • the prism angle ⁇ must be adapted in a suitable form.
  • the Surface 16g creates an image 28 in the center of the light distribution.
  • the prism surfaces 16e, 16f of the prisms over their entire longitudinal extent in each case in two partial surfaces 16e1, 16e2; 16f1, 16f2 divided.
  • the partial areas 16e1, 16e2; 16f1, 16f2 of a prism surface 16e; 16f produce two separate and offset images 25, 28; 26, 29, which also go with the other figures 26, 29; 25, 28 are offset.
  • the four images 25, 26, 28, 29 of the light exit surface 17 of the primary optics 12 are each offset by 1/4 pixel width w 'from one another.
  • FIG 14 Further possible configurations of the prism structure are shown on the optically active surface of the projection optics 16.
  • the real prisms of Figure 14a ), 14b), 14c) essentially correspond to the prisms from the Figures 13a ), 13b), 13c).
  • straight sections 16h are provided between the individual prisms 16e, 16f. This makes it possible to use the prism structure out Figure 14a ) to generate a total of two plus one three separate images of the light exit surface 17 of the primary optics 12. It is the same with the prism structure Figure 14b ) possible to create a total of two plus two four separate images.
  • the strips 16g and 16h can produce identical images, because the optical axes are not tilted towards one another, and the images therefore lie one above the other.
  • the prism structure can be used Figure 14c ) four plus one five images of the light exit surface 17 of the primary optics 12 are generated.
  • H 1 2nd Pixel offset w 2nd ⁇ sin ⁇ 4th n PMMA - cos ⁇ 4th
  • FIG. 16 is an example of a section of a surface structure for an optically active surface of a projection optics 16 according to the invention shown.
  • the structure of the 1st order is shown with a solid line 50, a structure of the 2nd order with a dashed line 51 and a sum of the two structures 50, 51 with the reference symbol 52.
  • the first-order structure 50 generates two separate images 25, 26 of the light exit surface 17 of the primary optics 12, which are shifted from one another by 1/2 pixel width.
  • the second-order prism structure 51 has half the frequency (double period) and, with one of its flanks (prism surfaces), always tilts two adjacent flanks (an entire period) of the first-order structure 50 and thus leads to a shift of the images from each other by 1 / 4 pixel width.
  • the prism structure 52 is the sum (resulting) of the 1st order prism structure 50 and the 2nd order prism structure 51.
  • the amplitude h of the 1st order structure 50 is related to the required deflection angle of +/- 0.3 °.
  • the second-order prism structure 51 has the same amplitude h as the first-order prism structure 50. In principle, higher-order adaptations can also be generated in the manner described.

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  • Engineering & Computer Science (AREA)
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  • Optics & Photonics (AREA)
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  • Non-Portable Lighting Devices Or Systems Thereof (AREA)

Claims (16)

  1. Module à DEL (6) d'un phare de véhicule automobile (1), ledit module à DEL (6) comprenant une source de lumière (10) sous la forme d'une matrice à DEL qui comprend une pluralité de puces DEL (11) disposées les unes à côté des autres et/ou les unes au-dessus des autres de type matrice, une optique primaire (12) qui comprend une pluralité d'éléments d'optique primaire (13) disposés les uns à côté des autres et/ou les uns au-dessus des autres de type matrice pour concentrer la lumière émise par la source de lumière (10), ainsi qu'une optique de projection (16) qui projette une surface de sortie (17) de l'optique primaire (12) pour générer une répartition de lumière (27) prédéterminée, sur une chaussée devant un véhicule, caractérisé par le fait que l'optique de projection (16) est conçue de telle sorte qu'elle génère, de son côté image, au moins deux images (25, 26) séparées de la surface de sortie (17) de l'optique primaire (12), qui sont décalées les unes par rapport aux autres dans la direction horizontale, de sorte qu'une superposition des images (25, 26) générées améliore une homogénéité de la répartition de lumière (27).
  2. Module à DEL (6) selon la revendication 1, caractérisé par le fait que les images (25, 26, 28, 29) séparées de la surface de sortie de lumière (17) de l'optique primaire (12) sont décalées chacune les unes par rapport aux autres d'une valeur w'/n, où w' est une largeur, en particulier une largeur angulaire, d'un pixel formé par l'image d'une surface de sortie de lumière individuelle d'un élément d'optique primaire (13) individuel, dans la répartition de lumière résultante (27), et n est un nombre des images (25, 26, 28, 29) séparées de la surface de sortie de lumière (17) de l'optique primaire (12), qui sont générées par l'optique de projection (16).
  3. Module à DEL (6) selon la revendication 1 ou 2, caractérisé par le fait que l'optique de projection (16) améliore l'homogénéité de la répartition de lumière (27) en vue de compenser des fluctuations d'intensité et des effets de couleur indésirables dans la répartition de lumière.
  4. Module à DEL (6) selon l'une quelconque des revendications 1 à 3, caractérisé par le fait que l'optique de projection (16) présente au moins deux axes optiques (40, 41; 43, 44) séparés.
  5. Module à DEL (6) selon la revendication 4, caractérisé par le fait que les axes optiques (40, 41; 43, 44) séparés de l'optique de projection (16) s'étendent dans le même plan horizontal.
  6. Module à DEL (6) selon la revendication 4 ou 5, caractérisé par le fait que les axes optiques (40, 41) séparés de l'optique de projection (16) s'étendent parallèlement les uns aux autres et en étant espacés les uns des autres.
  7. Module à DEL (6) selon la revendication 4 ou 5, caractérisé par le fait que les axes optiques (43, 44) séparés de l'optique de projection (16) s'étendent obliquement les uns par rapport aux autres.
  8. Module à DEL (6) selon la revendication 7, caractérisé par le fait que les axes optiques (43, 44) de l'optique de projection (16) se coupent dans un plan de la surface de sortie de lumière (17) de l'optique primaire (12).
  9. Module à DEL (6) selon l'une quelconque des revendications 1 à 3, caractérisé par le fait qu'au moins une surface optique active de l'optique de projection (16) est pourvue de zones optiques (16c, 16d) alternantes juxtaposées et/ou superposées pour générer des images (25, 26) pour l'essentiel identiques de la surface de sortie (17) de l'optique primaire (12), dans lequel un premier groupe (16c) des zones optiques génère une première image (25) de la surface de sortie de lumière (17) de l'optique primaire (12) et au moins un autre groupe (16d) des zones optiques génère au moins une autre image (26) de la surface de sortie (17) de l'optique primaire (12), dans lequel les images (25, 26) générées, dans la répartition de lumière (27) résultante sont disposées en étant décalées les unes par rapport aux autres dans la direction horizontale.
  10. Module à DEL (6) selon la revendication 9, caractérisé par le fait que les zones optiques (16c, 16d) alternantes sont formées sur une surface de sortie de lumière de l'optique de projection (16).
  11. Module à DEL (6) selon la revendication 9 ou 10, caractérisé par le fait que les zones optiques (16c, 16d) alternantes sont réalisées en forme de bande, les bandes s'étendant dans la direction verticale.
  12. Module à DEL (6) selon l'une quelconque des revendications 9 à 11, caractérisé par le fait que la surface optique active de l'optique de projection (16) est pourvue d'une pluralité de prismes (16e, 16f) qui s'étendent sur toute la surface et sont disposés les uns à côté des autres et dont les axes longitudinaux s'étendent parallèlement les uns aux autres, dans lequel une surface de prisme (16e) des prismes qui forme une première zone optique, génère la première image (25) de la surface de sortie de lumière (17) de l'optique primaire (12) et l'autre surface de prisme (16f) des prismes qui forme une autre zone optique génère la deuxième image (26) de la surface de sortie (17) de l'optique primaire (12).
  13. Module à DEL (6) selon la revendication 12, caractérisé par le fait qu'une pointe des prismes (16e, 16f) est aplatie sur toute leur étendue longitudinale de sorte qu'il en résulte une surface de toit (16g) des prismes qui génère une autre image (28) de la surface de sortie de lumière (17) de l'optique primaire (12), qui est décalée dans la direction horizontale par rapport aux deux autres images (25, 26).
  14. Module à DEL (6) selon la revendication 12 ou 13, caractérisé par le fait que les surfaces de prisme (16e, 16f) des prismes sont divisées chacune sur toute leur étendue longitudinale en deux surfaces partielles (16e1, 16e2; 16f1, 16f2), dans lequel une ligne de contact des surfaces partielles (16e1, 16e2; 16f1, 16f2) d'une surface de prisme (16e; 16f) d'un prisme s'étend parallèlement à l'axe longitudinal du prisme, dans lequel les surfaces partielles (16e1, 16e2, 16f1, 16f2) génèrent chacune une image séparée (25, 26, 28, 29) de la surface de sortie de lumière (17) de l'optique primaire (12), qui est disposée de manière décalée par rapport aux autres images (25, 26).
  15. Module à DEL (6) selon l'une quelconque des revendications 9 à 14, caractérisé par le fait que les zones optiques (16c, 16d; 16e, 16f) alternantes formées sur ladite au moins une surface optique active de l'optique de projection (16) présentent une amplitude de moins de 0,1 mm, de préférence de moins de quelques dizaines de micromètres, tout particulièrement de quelques micromètres.
  16. Phare de véhicule automobile (1) comprenant un module à DEL (6) qui présente une source de lumière (10) sous la forme d'une matrice à DEL qui comprend une pluralité de puces DEL (11) disposées les unes à côté des autres et/ou les unes au-dessus des autres de type matrice, une optique primaire (12) qui comprend une pluralité d'éléments d'optique primaire (13) disposés les uns à côté des autres et/ou les uns au-dessus des autres de type matrice pour concentrer la lumière émise par la source de lumière (10), ainsi qu'une optique de projection (16) qui projette une surface de sortie (17) de l'optique primaire (12) pour générer une répartition de lumière (27) prédéterminée, sur une chaussée devant un véhicule, caractérisé par le fait que l'optique de projection (16) est conçue de telle sorte qu'elle génère, de son côté image, au moins deux images (25, 26) séparées de la surface de sortie (17) de l'optique primaire (12), qui sont décalées les unes par rapport aux autres dans la direction horizontale, de sorte qu'une superposition des images (25, 26) générées améliore une homogénéité de la répartition de lumière (27).
EP14180018.5A 2013-09-06 2014-08-06 Optique de projection destinée à être utilisée dans un module à DEL d'un phare de véhicule automobile, et module à DEL et phare de véhicule automobile doté d'une telle optique de projection Active EP2846077B1 (fr)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3633263B1 (fr) * 2017-05-24 2022-12-28 Stanley Electric Co., Ltd. Accessoire de lampe

Families Citing this family (29)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT516836B1 (de) * 2015-04-10 2016-09-15 Zizala Lichtsysteme Gmbh Beleuchtungsvorrichtung mit Strahlenblende sowie Kraftfahrzeugscheinwerfer
JP6693052B2 (ja) * 2015-06-02 2020-05-13 市光工業株式会社 車両用灯具
JP6835737B2 (ja) * 2015-11-20 2021-02-24 株式会社小糸製作所 灯具ユニットおよび車両用前照灯
JP6709114B2 (ja) * 2016-06-22 2020-06-10 スタンレー電気株式会社 車両用灯具
FR3053010A1 (fr) * 2016-06-28 2017-12-29 Valeo Vision Systeme d'eclairage pour vehicule ayant un niveau d'intensite lumineuse modulable
FR3056694B1 (fr) * 2016-09-29 2020-06-19 Valeo Vision Dispositif d'eclairage pour vehicule automobile comportant un guide de lumiere
DE102016119321A1 (de) * 2016-10-11 2018-04-12 HELLA GmbH & Co. KGaA Beleuchtungsvorrichtung für ein Kraftfahrzeug, insbesondere Scheinwerfer eines Kraftfahrzeugs
TWI607179B (zh) 2016-11-30 2017-12-01 隆達電子股份有限公司 透鏡陣列、使用透鏡陣列的車燈透鏡組及使用車燈透鏡組的車燈總成
DE102016124800A1 (de) * 2016-12-19 2018-06-21 Automotive Lighting Reutlingen Gmbh Primäroptikbaugruppe zum Einsatz in einer Kraftfahrzeugbeleuchtungseinrichtung und Kraftfahrzeugbeleuchtungseinrichtung mit einer solchen Primäroptikbaugruppe
DE102016225583B4 (de) * 2016-12-20 2018-08-16 Audi Ag Steuerung einer Beleuchtungsvorrichtung durch Berührung
FR3062217B1 (fr) * 2017-01-20 2021-03-19 Valeo Vision Aboutage de sources lumineuses pixelisees
AT519125B1 (de) * 2017-01-20 2018-04-15 Zkw Group Gmbh Leuchtvorrichtung für einen Kraftfahrzeugscheinwerfer sowie Kraftfahrzeugscheinwerfer
EP3584496A4 (fr) * 2017-02-14 2020-12-16 Everlight Electronics Co., Ltd Composant de guidage de lumière, dispositif de guidage de lumière et module d'éclairage
DE102017204097A1 (de) 2017-03-13 2018-09-13 Osram Gmbh Optik, beleuchtungssystem und scheinwerfer
FR3068658B1 (fr) * 2017-07-06 2021-04-16 Valeo Vision Dispositif d'eclairage d'un vehicule automobile
FR3069045B1 (fr) * 2017-07-13 2019-10-04 Valeo Vision Dispositif d'eclairage projetant deux matrices de pixels lumineux decalees verticalement
CN107795952B (zh) * 2017-10-31 2024-04-02 马瑞利汽车零部件(芜湖)有限公司 实现自适应远光功能的矩阵式聚光透镜
KR102036749B1 (ko) * 2017-12-14 2019-10-28 에스엘 주식회사 차량용 램프
FR3077366B1 (fr) * 2018-01-29 2020-01-17 Valeo Vision Module lumineux comportant un element optique primaire equipe de deux nappes de mise en forme
CN108224355B (zh) * 2018-02-22 2024-02-13 华域视觉科技(上海)有限公司 车辆用灯具花纹及其生产方法
DE102018110793A1 (de) * 2018-05-04 2019-11-07 HELLA GmbH & Co. KGaA Projektionsscheinwerfer
DE102018207063A1 (de) * 2018-05-07 2019-11-07 Osram Gmbh Optik, optische anordnung und scheinwerfer
FR3084724B1 (fr) * 2018-07-31 2021-04-16 Valeo Vision Module lumineux a quatre parties de guidage
WO2020038774A1 (fr) * 2018-08-22 2020-02-27 Lumileds Holding B.V. Dispositif optique pour éclairage automobile comprenant des guides de lumière
EP3847056A4 (fr) 2018-09-05 2021-10-27 Flex-N-gate Advanced Product Development, LLC Phare à faisceau de conduite adaptable pour véhicule
CN111221112A (zh) * 2018-11-27 2020-06-02 扬明光学股份有限公司 图案投射装置及其制造方法
WO2020233297A1 (fr) * 2019-05-20 2020-11-26 华域视觉科技(上海)有限公司 Ensemble d'éléments optiques de lampe de véhicule, module d'éclairage de véhicule, lampe de véhicule et véhicule
DE102019127406A1 (de) * 2019-10-11 2021-04-15 Bayerische Motoren Werke Aktiengesellschaft Kraftfahrzeug mit einer Umfeldbeleuchtungseinrichtung
EP3862623B1 (fr) 2020-02-10 2022-11-02 Lumileds LLC Lentille d'imagerie destiné à être utilisé dans un module d'éclairage d'un phare de véhicule, module d'éclairage et phare de véhicule

Family Cites Families (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH08339704A (ja) * 1995-06-12 1996-12-24 Nippondenso Co Ltd 車両用灯具装置
US7563008B2 (en) * 2006-03-28 2009-07-21 Visteon Global Technologies, Inc. LED projector headlamps using single or multi-faceted lenses
JP4982269B2 (ja) * 2007-06-27 2012-07-25 株式会社小糸製作所 車両用照明灯具
DE102008005488B4 (de) * 2008-01-22 2016-10-06 Hella Kgaa Hueck & Co. Scheinwerfer für Fahrzeuge
DE102008013603B4 (de) 2008-03-11 2017-06-22 Automotive Lighting Reutlingen Gmbh Lichtmodul für eine Beleuchtungseinrichtung
TW201022592A (en) * 2008-12-15 2010-06-16 Create Electronic Optical Co Optical lens and light emitting diode (LED) illuminating device thereof
EP2211089A1 (fr) * 2009-01-26 2010-07-28 GLP German Light Products GmbH Appareil et procédé pour la génération d'un faisceau lumineux de couleur mixte
AT508604B1 (de) 2009-07-31 2012-07-15 Zizala Lichtsysteme Gmbh Led-kraftfahrzeugscheinwerfer zur erzeugung einer dynamischen lichtverteilung
DE102009053581B3 (de) 2009-10-05 2011-03-03 Automotive Lighting Reutlingen Gmbh Lichtmodul für eine Beleuchtungseinrichtung eines Kraftfahrzeugs
DE102010023360A1 (de) 2009-10-05 2011-04-07 Automotive Lighting Reutlingen Gmbh Zur Erzeugung verschiedener Lichtverteilungen eingerichteter Kraftfahrzeugscheinwerfer mit Halbleiterlichtquellen
DE102010029176A1 (de) 2009-10-05 2012-12-27 Automotive Lighting Reutlingen Gmbh Kraftfahrzeugscheinwerfer mit einem Halbleiterlichtquellen, eine Primäroptik und eine Sekundäroptik aufweisenden Lichtmodul
DE102010046626B4 (de) 2010-09-16 2013-05-16 Automotive Lighting Reutlingen Gmbh Farbkorrigierende Projektionsoptik für ein Lichtmodul eines Kraftfahrzeug-Scheinwerfers
DE102011077636A1 (de) 2011-04-27 2011-11-03 Automotive Lighting Reutlingen Gmbh Lichtmodul eines Kraftfahrzeugs zur Erzeugung einer Spotverteilung einer Fernlicht-Lichtverteilung und Kraftfahrzeugscheinwerfer mit einem solchen Modul
DE102011077132A1 (de) 2011-04-27 2012-01-12 Automotive Lighting Reutlingen Gmbh Lichtmodul eines Kraftfahrzeugs zur Erzeugung einer Grundverteilung für eine Fernlicht-Lichtverteilung
JP5950385B2 (ja) * 2012-01-25 2016-07-13 株式会社小糸製作所 車輌用前照灯
DE102012202508B4 (de) * 2012-02-17 2017-10-05 Automotive Lighting Reutlingen Gmbh Lichtleitervorrichtung für eine Kraftfahrzeugleuchte
AT513206B1 (de) * 2012-07-18 2015-04-15 Zizala Lichtsysteme Gmbh Leuchteinheit für einen Scheinwerfer
AT513341B1 (de) * 2012-09-03 2015-06-15 Zizala Lichtsysteme Gmbh Leuchteinheit für einen Scheinwerfer

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
None *

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3633263B1 (fr) * 2017-05-24 2022-12-28 Stanley Electric Co., Ltd. Accessoire de lampe

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US20150070926A1 (en) 2015-03-12
DE102013217843A1 (de) 2015-03-12
US9476558B2 (en) 2016-10-25
CN104421714A (zh) 2015-03-18
EP2846077A3 (fr) 2015-03-25
CN104421714B (zh) 2017-09-22

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