EP3721134A1 - Dispositif de projection pour un projecteur de véhicule à moteur - Google Patents

Dispositif de projection pour un projecteur de véhicule à moteur

Info

Publication number
EP3721134A1
EP3721134A1 EP18811492.0A EP18811492A EP3721134A1 EP 3721134 A1 EP3721134 A1 EP 3721134A1 EP 18811492 A EP18811492 A EP 18811492A EP 3721134 A1 EP3721134 A1 EP 3721134A1
Authority
EP
European Patent Office
Prior art keywords
optics
micro
diaphragm
light
projection device
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP18811492.0A
Other languages
German (de)
English (en)
Other versions
EP3721134B1 (fr
Inventor
Bernhard Mandl
Andreas Moser
Friedrich Bauer
Peter Schadenhofer
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
ZKW Group GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by ZKW Group GmbH filed Critical ZKW Group GmbH
Publication of EP3721134A1 publication Critical patent/EP3721134A1/fr
Application granted granted Critical
Publication of EP3721134B1 publication Critical patent/EP3721134B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

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
    • F21S41/40—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by screens, non-reflecting members, light-shielding members or fixed shades
    • F21S41/43—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by screens, non-reflecting members, light-shielding members or fixed shades characterised by the shape thereof
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • 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
    • F21S41/20—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
    • 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
    • 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
    • F21W2102/17—Arrangement or contour of the emitted light for regions other than high beam or low beam
    • F21W2102/18—Arrangement or contour of the emitted light for regions other than high beam or low beam for overhead signs
    • 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 invention relates to a projection device for a motor vehicle headlight, wherein the projection device is configured to image light of at least one light source associated with the projection device in an area in front of a motor vehicle in the form of at least one light distribution, namely a low-beam light distribution, wherein the projection device comprises:
  • an entrance optic comprising a total number of micro entrance optics (3a), which are preferably arranged in an array,
  • an exit optics comprising a total number of micro exit optics (4a), which are preferably arranged in an array, wherein each micro entrance optic is associated with exactly one micro exit optic, wherein the micro entrance optics are formed and / or the micro entrance optics Entry optics and the micro-exit optics are arranged such that substantially all the light emerging from a micro-entry optics light only enters the associated micro-exit optics, and wherein the pre-formed by the micro-entry optics of the micro-exit optics in a range in front of the motor vehicle as at least one light distribution is imaged, wherein each micro-entry optics focuses the light passing through them into at least one micro-entry optical focus, the micro-entry optical focus is between the micro-entry optics and the associated micro exit optics, wherein between the micro-entry optics un d the micro-exit optics at least one aperture device is arranged, in each case at least by the micro-entry optics, the associated micro exit optics and the intervening at least one
  • the invention further relates to a microprojection light module for a motor vehicle headlight, comprising at least one inventive
  • Projection device and at least one light source for feeding light into the projection device are provided.
  • the invention relates to a vehicle headlight, in particular motor vehicle headlight, comprising at least one microprojection light module according to the invention.
  • the document AT 514967 Bl has become known from the prior art, which shows a projection device of the type mentioned in the introduction. Therein is shown a projection device having a number of micro-entry optics and micro-exit optics with aperture devices disposed between the micro-entry and exit optics.
  • a projection device having a number of micro-entry optics and micro-exit optics with aperture devices disposed between the micro-entry and exit optics.
  • aperture devices disposed between the micro-entry and exit optics.
  • the disadvantage of this is that shading element darkens the shaded area strongly and a consistently uniform brightness transition to non-darkened areas could not be realized with such a shading element.
  • the area shaded in the light image was previously clearly visible to the naked eye as a local minimum of the intensity of the light distribution and thus adversely affected the overall impression of the light distribution. It is an object of the invention to overcome the above-mentioned disadvantages of the prior art. This object is achieved with a projection device of the aforementioned type, in which, according to the invention, the total number of low-beam micro-optics comprises at least two groups of low-beam micro-optics, namely
  • a second group of low-beam micro-optics having at least one second variant of diaphragm devices, wherein the embodiment of the second variant of diaphragm devices at least differs from the embodiment of the first variant of diaphragm devices by the second variant of diaphragm devices
  • An optically effective diaphragm edge is understood to mean a diaphragm edge which engages in the image of the light distribution for limiting the same.
  • the wording "essentially all the light emerging " means that it is intended to irradiate at least the majority of the total luminous flux that emerges from a micro-entry optic only in the associated micro-exit optics. In particular, it must be ensured that no luminous flux is introduced into the adjacent micro-outlet To radiate optics in such a way that thereby no adverse optical effects, such as stray light, which can lead to glare, etc., arise.
  • micro-entrance optics being designed in this way and / or the micro-entry optics and the micro-exit optics being arranged relative to one another
  • additional measures such as apertures (see below) may be provided either exclusively or preferably in addition to their actual function, they still have the function that the entire luminous flux is directed precisely to the associated micro-exit optics.
  • both the focal lengths and the dimensions of the micro-optics per se are significantly less than with a "conventional" optic As a result, the depth of the projection device can be significantly reduced compared to conventional optics.
  • the luminous flux can be increased or scaled, wherein an upper limit with regard to the number of micro-optics systems is limited primarily by the respectively available production methods.
  • a low beam function e.g. 200 to 400 micro-optical systems suffice or be favorable, this being neither a limiting value to describe above or below, but only an exemplary number.
  • Such a light module is also scalable, ie, it is possible to combine a plurality of identical or similarly constructed light modules to form a larger overall system, for example to a vehicle headlight.
  • the lens In a conventional projection system with a projection lens, the lens has typical diameters between 60 mm and 90 mm.
  • the individual micro-optical systems In a module according to the invention, the individual micro-optical systems have typical dimensions of approximately 2 mm ⁇ 2 mm (in V and H) and a depth (in Z, see, for example, FIG. 2) of approximately 6 mm-10 mm, so that in the Z direction results in a much smaller depth of a module according to the invention compared to conventional modules.
  • the light module according to the invention or the projection device can have a small overall depth and are basically freely formable, i. it is e.g. it is possible to design a first light module for generating a first partial light distribution separately from a second light module for a second partial light distribution and to make it relatively free, i. arranged vertically and / or horizontally and / or offset in depth to each other, so that design specifications can be realized easier.
  • a light module according to the invention or a projection device Another advantage of a light module according to the invention or a projection device is that the exact positioning of the light source (s) with respect to the projection device is eliminated. Precise positioning is less critical in that the distance of the illumination unit to the microlens array does not have to be exact. Now, however, since the micro-entry and micro-exit optics are already optimally matched to one another, since they form a quasi-system, an inaccurate positioning of the real light source (s) is less significant.
  • the real light sources are, for example, approximately point-like light sources such as e.g. Light-emitting diodes whose light is collimated by collimators such as Compound Parabolic Concentrators (CPC) or TIR (Total Inner Reflection) lenses.
  • CPC Compound Parabolic Concentrators
  • TIR Total Inner Reflection
  • the projection device or the light module may also contain additional micro-optics systems, with the help of which generates other types of light distributions than a low-beam distribution.
  • a certain type of the light distribution is understood to mean a light distribution generated according to relevant standards, for example a light distribution according to UN / ECE regulations in the European Union states, in particular regulations 123 and 48, or relevant standards in the other countries or regions .
  • the term "road surface” is used in the following only for the sake of simplicity, because of course it depends on the local conditions whether the light image is actually on the roadway or extends beyond it, for example to test the radiated light distributions, one creates one Projection of the photograph onto a vertical surface in accordance with relevant standards, for example, in accordance with Regulations No.
  • the first group has shading elements.
  • the independent claim of the present invention does not mean that the first group must be free of shading elements, but that the second group has at least a second variant of aperture device, which differs from the first variant, for example by a different type of shading elements is provided , Of course, the first group, however, also be free of shading elements.
  • each group forming a different light distribution which is selected, for example, from one of the following light distributions:
  • each low-beam micro-optics which has a diaphragm device of the second variant, has exactly one shading element projecting along a section of the course of the diaphragm edge.
  • the shading element preferably extends in the vertical direction in order to shade the point "50L" of the light distribution, although of course other shading elements may be provided which do not protrude from the diaphragm edge.
  • protrusion from the diaphragm edge is understood to mean that the diaphragm edge can still be seen as the diaphragm edge for a low-beam light distribution as such.
  • the longitudinal extent of the diaphragm edge which is composed of rectilinear diaphragm edge portions, which are inclined horizontally or obliquely, is thus interrupted by the protruding shading element.
  • the diaphragm edge in the region of a completely opaque shading element is no longer recognizable, since this due to the presence of the protruding shading element in this area no longer visible as an edge.
  • the diaphragm edge continues again (visually visible) before and after the shading element.
  • each Abbleriumtmikrooptik having a diaphragm device of the second variant exactly one of the diaphragm edge spaced shading element, which is completely enclosed by a light-transmissive region of the diaphragm device comprises.
  • These shading elements may be arranged to effect shading within the segment 10 of a low beam distribution.
  • a correspondingly homogeneous and uniform darkening within the segment 10 can be created, for example, by selecting a suitable number and dimensioning of dimming micro-optics with these shading elements.
  • the at least one diaphragm device is connected to a light-transmissive carrier, which is coated on its surface for forming a predefinable light distribution with an at least partially opaque material.
  • the at least partially opaque layer may e.g. be applied by means of a lithographic process.
  • another aperture device e.g. to avoid stray light, be provided.
  • At least individual shading elements of the diaphragm device of the second variant are completely opaque to light.
  • the configuration of the total shading can be varied by suitable selection of the number and the design of the shading elements.
  • individual shading elements of the diaphragm device of the second variant for limiting the luminous intensity of the light distribution in a 50 L Measuring point are provided.
  • the 50L measurement point is at an angle 3.43 * to the left (L) and 0.86 ° downward (D).
  • FMVSS is a measuring point without special designation at 0,86D 3,5L.
  • the individual shading elements are arranged such that they shade a region of the light distribution emitted by the respective low-beam micro-optics, the region comprising a horizontal angle of a maximum of 5 ° and a vertical angle of not more than 5 °.
  • the shaded area could include a horizontal and vertical angle of (1 ° or 2 °) to 5 ° and could be circular, for example.
  • the size of at least one shading element of a diaphragm device of the second variant deviates from the size of at least one shading element of a further diaphragm device of the second variant.
  • size is understood to mean the area over which the respective shading element extends, either the shape can be scaled, or, alternatively, the shapes of the shading elements may differ, that is, represent different geometric figures.
  • individual shading elements of the diaphragm device of the second variant are provided for limiting the luminous intensity of the light distribution in the segment 10 of the low-beam light distribution.
  • segment 10 is meant a line at -4 ° (-4D) between 4.5 ° L and 2R °.
  • individual shading elements are arranged in such a way that they shade a region of the light distribution emitted by the respective low-beam micro-optics, the region comprising a horizontal angle of a maximum of 10 ° and a vertical angle of not more than 3 °.
  • the width can therefore be, for example, a maximum of 10 ° and the height, for example, between 1 ° and 3 °.
  • This shading element can thus be designed as a floating bar, wherein the dimensions of the individual shading elements can vary to produce a homogeneous transition.
  • the production of these shading elements by means of lithographic processes is particularly advantageous.
  • the carrier of the at least one diaphragm device consists of glass.
  • the entry optics and the exit optics are firmly connected to at least one carrier of the diaphragm device arranged between the entry optics and the exit optics.
  • undesirable influences - for example, due to thermal expansion - can be minimized, and a permanent and exact positioning of the entrance optics with respect to the appearance optics or vice versa can be ensured.
  • the fixed connection of the entrance optics and the exit optics with the at least one carrier is in each case designed as a transparent adhesive bond.
  • the total number of low-beam optical micro-optics comprises a third group of low-beam micro-optics with diaphragm devices of a third variant, in the case of the diaphragm device of the third variant
  • At least one at least partially transparent window for forming a lying above the light-dark boundary light distribution is formed.
  • This above the light-dark border area is thus illuminated, so that, for example, traffic signs are more visible.
  • This light function is often referred to as "sign-light", wherein the intensity of the illumination in this area can be determined by the design of the translucent window as well as by the number of low-beam micro-optics of the third variant that of the first or second variant possible.
  • different low-beam micro-optics eg at least two differently shaped aperture devices or (eg at least two) shading elements have different sizes, wherein the shadowed by the shading elements photometric area overlaps at least partially.
  • This can apply to the shading elements of the first, the second and / or the third variant or group.
  • the shadowed Photometric region of the smaller shading element is completely included in the shadowed photometric region of the next larger shading element or the shading elements may be formed such that this effect occurs.
  • the invention further relates to a microprojection spruce module for a
  • Motor vehicle headlight comprising at least one projection device according to the invention and at least one spruce source for feeding spruce into the projection device.
  • each low-beam micro-optic is associated with a FED spruce source.
  • the invention relates to a vehicle headlight, in particular
  • Motor vehicle headlamp comprising at least one microprojection spruce module according to the invention.
  • the invention relates to a vehicle, in particular a motor vehicle, with at least one vehicle headlight according to the invention.
  • FIG. 2 shows a schematic representation of an exemplary projection device
  • FIGS. 3a to d show a schematic representation of a method for applying the diaphragm device to a transparent carrier which can be connected to the micro-entry optics and micro-exit optics,
  • FIG. 4 a shows an exemplary embodiment of side-by-side diaphragm devices according to the prior art
  • FIG. 4b shows a light distribution generated by means of the device according to FIG. 4a
  • 5a is a schematic representation of an embodiment according to the invention of adjacent diaphragm device according to a first and a second variant
  • FIG. 5b shows a light distribution generated by means of a projection device comprising the diaphragm devices according to FIG. 5a,
  • FIG. 6a shows a further schematic illustration of an embodiment according to the invention of adjacent diaphragm devices according to a first and a second variant
  • FIG. 6b shows a light distribution generated by means of a projection device comprising the diaphragm devices according to FIG. 6a.
  • FIG. 1 shows an exemplary illustration of a detail of a low-beam distribution according to the prior art.
  • the brightness within the light distribution is illustrated by isolines, which illustrate areas of equal illuminance.
  • the illuminance just below the cut-off line reaches a maximum and decreases to the outside.
  • the course of the Virtuoscuro border is clearly visible.
  • the measuring point 50L which is correspondingly darkened, wherein the darkening in the light image is inhomogeneous and thus clearly recognizable, as can be seen from the strong gradient of the illuminance in the region of the measuring point 50L.
  • FIG. 2 shows a schematic representation of an exemplary projection device 1 in a microprojection light module 6, wherein the projection device 1 - as discussed below - equipped with an inventive embodiment of aperture devices can be.
  • a projection device 1 equipped according to the invention is suitable for use in a motor vehicle headlight, wherein the projection device 1 for imaging light at least one of the projection device 1 associated light source 2 (preferably, however, each micro-entry optics 3a is assigned a individually controllable light source, particularly preferably an LED ), in an area in front of a motor vehicle in Porm at least one light distribution, namely a low-beam distribution and / or an apron light distribution, is set up.
  • the light emitted by the light source 2 can be directed, for example, via a collimator 7 to an entrance optics 3.
  • the projection device 1 comprises the entrance optics 3, which has a total number of micro entrance optics 3a, which are preferably arranged in an array, an exit optics 4, which has a total number of micro exit optics 4a, which are preferably arranged in an array, each Micro-entry optics 3a is associated with exactly one micro exit optics 4a.
  • the micro-entrance optics 3 a are designed in such a way and / or the micro-entry optics 3 a and the micro exit optics 4 a are arranged relative to one another such that substantially all of the light emerging from a micro entrance optics 3 a only enters the assigned micro exit optics 4 a, and wherein the light preformed by the micro-entrance optics 3a is imaged by the micro-exit optics 4a in an area in front of the motor vehicle as at least one light distribution.
  • Each micro-entry optics 3a is designed in such a way that the micro-entry optics 3a focuses the light passing through them into at least one micro-entrance-optic focus, the micro-entry optic focus between the micro entrance optics 3a and the associated micro exit optics 4a wherein at least one diaphragm device 8a (see FIG. 3) is arranged between the micro-entrance optics 3a and the micro exit optics 4a, the respective micro exit optics 4a and the at least one diaphragm device located therebetween being in each case at least through the micro entrance optics 3a 8a, a low-beam micro-optic is formed.
  • the at least one diaphragm device 8a is designed in such a way for limiting the light distribution depicted by the respective micro exit optics 4a, that the light distribution emitted by the micro exit optics 4a forms a portion of the low beam distribution, the diaphragm device 8a for this at least one having the course of a light-dark boundary of the low-beam light distribution imaging optically effective diaphragm edge K (see Figures 4a, 5a and 6a).
  • the total number of low-beam micro-optics comprises at least two groups of low-beam micro-optics, namely
  • the shading of the segment A50L may be at least partially provided by floating shading elements) and / or
  • FIGS. 3 (a) to (d) show a schematic representation of individual steps of a method for producing a projection device 1 according to the invention for a motor vehicle headlight, the projection device 1 for imaging light from at least one light source 2 associated with the projection device 1 in an area in front of a motor vehicle is set up in the form of at least one light distribution.
  • FIG. 3 (a) shows a carrier 5 with a first flat side 5a onto which a first diaphragm device 8a, for example by screen printing or metallic vapor deposition, is applied in FIG. 3 (b), wherein the carrier 5 consists at least partially of glass.
  • FIG. 3 (a) shows a carrier 5 with a first flat side 5a onto which a first diaphragm device 8a, for example by screen printing or metallic vapor deposition, is applied in FIG. 3 (b), wherein the carrier 5 consists at least partially of glass.
  • FIG. 3 (a) shows a carrier 5 with a first flat side 5a onto which a first diaphragm
  • FIG. 3 (c) shows the next step b) of the method, namely the fixing of an entrance optic 3, which has a number of micro entrance optics 3 a, which are preferably arranged in an array, on the first flat side 5 a of the carrier 5 Entry optics 3 the first Aperture device 8a is at least partially covered and arranged in such a way that light can enter at least partially into the carrier 5 via the entrance optics 3 through the first diaphragm device 8a, and the entrance optics 3 are fastened to the first flat side 5a of the carrier 5 by means of a translucent adhesive.
  • FIG. 3 (d) shows a state in which entrance optics 3 are already firmly connected to the carrier 5.
  • step c) the application of a second diaphragm device - for example, to avoid stray light - on one of the first flat side 5a opposite second flat side 5b of the carrier 5, take place.
  • the exit optics 4 can take place on the opposite flat side of the carrier 5.
  • FIG. 4 a shows an exemplary embodiment of adjacent diaphragm devices 8 a 'according to the prior art
  • FIG. 4 b shows a light distribution produced thereby. It can be seen that the point 50L is not darkened.
  • FIG. 5a shows a schematic representation of a design according to the invention of adjacent diaphragm devices 8a 'and 8a ", wherein the diaphragm devices 8a" comprise shading elements A50L which are arranged to darken the area around the measuring point 50L, the shading elements A50L of individual diaphragm devices 8a "for generating 5b shows a light distribution which was produced by means of a projection device 1 comprising diaphragm devices according to FIG also achieved a darkening in the measuring point 50L, however, the transition to the environment significantly more homogeneous precipitates.
  • FIG. 6a shows a further schematic representation of an embodiment according to the invention of adjacent diaphragm devices 8a 'and 8a ", in which individual light-shading elements ASegmlO are provided which are spaced apart from the diaphragm edge K and which are completely enclosed by a light-transmitting region of the diaphragm device 8a".
  • These shading elements ASegmlO can be provided in the second variant of the diaphragm devices 8a "alone or in combination with the shading elements A50L
  • diaphragms (not shown in the figures) are also provided which have no shading elements, that is, diaphragms are also provided without shading for segment 10 and 50 L.
  • the number and Size and the geometric shape of the shading elements can be selected depending on the desired configuration of the light distribution to be generated.
  • FIG. 6b shows a light distribution generated by means of a projection device comprising the diaphragm devices according to FIG. 6a.
  • a projection device comprising the diaphragm devices according to FIG. 6a.
  • an additional darkening has been achieved in the region of the segment 10 of the light distribution, a uniform brightness transition also being created in this case.
  • the reduction options can be arranged arbitrarily on the array. It would also be possible to make the points of law variable. For example, in the AFS bad weather (Class W) function, the legal upper limit (e.g., for segment 10) is lower than for class C. For the 50L, the opposite may apply. In bad weather this can be much higher than in Class C. If you place consciously behind a collimator only segment 10 lines, the affected collimator can be switched on in bad weather, but a collimator without segment 10 lines in the associated systems are switched off. This keeps the total luminous flux, but the segment 10 line is reduced in the overall light distribution. Exactly the opposite can be done with the 50L measuring point.
  • Class W bad weather

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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)

Abstract

L'invention concerne un dispositif de projection (1) pour un projecteur de véhicule à moteur, le dispositif de projection (1) étant conçu pour projeter la lumière d'au moins une source lumineuse (2) associée au dispositif de projection (1) dans une zone située devant un véhicule à moteur, sous la forme d'au moins une répartition lumineuse, un nombre total de micro-optiques de feu de croisement comprenant au moins deux groupes de micro-optiques de feux de croisement
EP18811492.0A 2017-12-05 2018-11-27 Dispositif de projection pour un phare de véhicule automobile Active EP3721134B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP17205400.9A EP3495718A1 (fr) 2017-12-05 2017-12-05 Dispositif de projection pour un phare de véhicule automobile
PCT/EP2018/082657 WO2019110369A1 (fr) 2017-12-05 2018-11-27 Dispositif de projection pour un projecteur de véhicule à moteur

Publications (2)

Publication Number Publication Date
EP3721134A1 true EP3721134A1 (fr) 2020-10-14
EP3721134B1 EP3721134B1 (fr) 2023-02-15

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EP17205400.9A Withdrawn EP3495718A1 (fr) 2017-12-05 2017-12-05 Dispositif de projection pour un phare de véhicule automobile
EP18811492.0A Active EP3721134B1 (fr) 2017-12-05 2018-11-27 Dispositif de projection pour un phare de véhicule automobile

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EP17205400.9A Withdrawn EP3495718A1 (fr) 2017-12-05 2017-12-05 Dispositif de projection pour un phare de véhicule automobile

Country Status (6)

Country Link
US (1) US20200370726A1 (fr)
EP (2) EP3495718A1 (fr)
JP (1) JP6964777B2 (fr)
KR (1) KR102410894B1 (fr)
CN (1) CN111492173B (fr)
WO (1) WO2019110369A1 (fr)

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KR102348900B1 (ko) * 2020-06-29 2022-01-11 에스엘 주식회사 차량용 램프
KR20220021309A (ko) * 2020-08-13 2022-02-22 현대모비스 주식회사 자동차용 램프 및 그 램프를 포함하는 자동차
CN116697296B (zh) * 2023-08-03 2023-10-13 常州星宇车灯股份有限公司 光源耦合结构

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DE102016112617B3 (de) * 2016-07-08 2017-10-26 Automotive Lighting Reutlingen Gmbh Kraftfahrzeugscheinwerfer mit geringer Bautiefe

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US20200370726A1 (en) 2020-11-26
JP6964777B2 (ja) 2021-11-10
CN111492173A (zh) 2020-08-04
EP3495718A1 (fr) 2019-06-12
KR102410894B1 (ko) 2022-06-22
KR20200087867A (ko) 2020-07-21
CN111492173B (zh) 2022-09-13
JP2021506068A (ja) 2021-02-18
EP3721134B1 (fr) 2023-02-15

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