EP3339720A1 - Ensemble d'optique primaire destiné à être utilisé dans un dispositif d'éclairage du véhicule automobile et dispositif d'éclairage du véhicule automobile doté d'un tel ensemble d'optique primaire - Google Patents

Ensemble d'optique primaire destiné à être utilisé dans un dispositif d'éclairage du véhicule automobile et dispositif d'éclairage du véhicule automobile doté d'un tel ensemble d'optique primaire Download PDF

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Publication number
EP3339720A1
EP3339720A1 EP17202043.0A EP17202043A EP3339720A1 EP 3339720 A1 EP3339720 A1 EP 3339720A1 EP 17202043 A EP17202043 A EP 17202043A EP 3339720 A1 EP3339720 A1 EP 3339720A1
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EP
European Patent Office
Prior art keywords
elements
primary optic
primary
holder
optic elements
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
EP17202043.0A
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German (de)
English (en)
Other versions
EP3339720B1 (fr
Inventor
Stephan Braun
Ralph CHOR
Anton Jost
Waldemar Klein
Lothar Pfitzner
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
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 Automotive Lighting Reutlingen GmbH filed Critical Automotive Lighting Reutlingen GmbH
Publication of EP3339720A1 publication Critical patent/EP3339720A1/fr
Application granted granted Critical
Publication of EP3339720B1 publication Critical patent/EP3339720B1/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
    • F21S41/20—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
    • F21S41/29—Attachment 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
    • F21S41/60—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
    • F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
    • F21Y2115/00—Light-generating elements of semiconductor light sources
    • F21Y2115/10—Light-emitting diodes [LED]

Definitions

  • the present invention relates to a primary optic assembly for use in a lighting device of a motor vehicle.
  • the primary optic assembly comprises a plurality of primary optic elements arranged in matrix-like fashion next to one another and / or one above the other, each having a light entry surface at a proximal end of a primary optic element and a light exit surface at a distal end of the primary optic element and a cross section increasing from the proximal end to the distal end.
  • the cross section is smaller along a longitudinal extension of the primary optic elements than a distance between the entry surface and the exit surface.
  • the primary optic elements thus each lead in the manner of one Light guide via the entrance surface coupled light to the exit surface, wherein the light is focused due to the increasing cross section of the light guide.
  • the primary optic elements are made of a dimensionally stable, but elastically deformable, transparent material and positioned and fastened by means of a holder to a light source or a light source carrier of the illumination device, wherein the holder has holding elements for positioning the primary optic elements in the region of their proximal ends.
  • the invention also relates to a lighting device of a motor vehicle, in particular a motor vehicle headlight.
  • the lighting device comprises a housing with a light exit opening closed by a transparent cover pane and a light module arranged therein.
  • the light module has a luminous means for emitting light and a primary optics module with a plurality of primary optic elements arranged in matrix-like fashion next to one another and / or one above another for bundling at least part of the emitted light.
  • Such primary optic assemblies are known in the art. For example, describes the DE 10 2011 085 315 A1 a primary optic assembly comprising an array of a plurality of matrix-like juxtaposed and superimposed primary optic elements. Each of the primary optics elements is associated with at least one semiconductor light source (eg LED) and focuses the light emitted by it.
  • semiconductor light source eg LED
  • the primary optic elements of the optical array are commonly made in the prior art from transparent thermoplastics or silicones.
  • the individual primary optic elements are positioned and fixed by means of a mechanical interface on the light source (eg the LEDs) or a light source carrier (eg a common printed circuit board of the LEDs).
  • a primary optic assembly of the type mentioned is, for example, also from the US 2008/0 253 144 A1 known.
  • the known assembly has a plurality of individual primary optic elements made of silicone, which are each held individually by means of separate retaining clips on a holder.
  • Each individual primary optic element has a fastening section, on which the retaining clip acts, and a separate optically effective region. This is intended to ensure that the retaining clips, which exert a locally limited force on the elastically deformable primary optic elements, do not impair the optical properties of optically effective regions of the primary optic elements.
  • the problem is the complicated structure, the complex installation and the large footprint of such a primary optics assembly.
  • a primary optic assembly in which the individual primary optic elements are integrally formed of silicone and arranged in a matrix-like manner next to and / or above one another.
  • the primary optic elements are arranged in a holder with a plurality of likewise matrix-like arranged holding elements and held therein.
  • a lens made of a thermoplastic is sprayed directly on, which is rigid and solid after curing. The lens serves to stabilize and support the primary optic elements in the holder.
  • the holding elements of the holder have at their proximal ends on each positioning opening, which are exactly the same as the corresponding outer peripheral surfaces of the Primary optic elements are formed.
  • the corresponding outer peripheral surfaces of the respectively introduced primary optic elements lie on the inner peripheral surfaces of the holding elements in a line-shaped manner.
  • an approximately circular contact line between the outer peripheral surface of the proximal end of the primary optic element and the corresponding holding element thus results in the region of the positioning opening.
  • Object of the present invention is to position the primary optic elements of the primary optic assembly of the type mentioned in a simple way as accurately as possible with respect to the light source.
  • the positioning and attachment should be cost-effective and automated by means of a mounting robot.
  • the holder has a tension spring element which fixes the primary optics with fully inserted into the holder primary optic elements relative to the holder, and that the primary optic elements in the region of their distal ends integral with directly formed adjacent primary optic elements that the outer primary optic elements have in the region of their distal ends radially outwardly projecting edge portions, that the holder has a peripheral support surface for the edge portions of the fully inserted into the holder primary optics and the edge portions between the tension spring element and the support surface are clamped.
  • proximal and distal are used in the context of the present description from the perspective of the illuminant. Regions or portions of components of the primary optic assembly that are located close to the illuminant (e.g., the LEDs) of the illuminator are referred to as proximal regions or portions. Likewise, portions or portions of components of the primary optic assembly that are located remotely from the light source (e.g., the LEDs) of the illumination device are referred to as distal regions or portions.
  • the individual primary optics elements form light guides, which bundle light which was emitted by the light source and was coupled into the light guides via the light entry surfaces on the way through the light guide to the light exit surface.
  • the primary optic is made of a dimensionally stable, but elastically deformable transparent material, for example an elastomer, in particular silicone.
  • the primary optics with the many elastic light guides can be positioned and fixed by means of the holder in front of the light source, in particular in front of a multiplicity of LEDs arranged in the manner of a matrix.
  • the primary optic elements are formed in the region of their distal ends in one piece with immediately adjacent primary optic elements. This means that the individual light guides are connected to each other in the area of their light exit surfaces. In this way one obtains a single, easy-to-handle primary optic made of the dimensionally stable, but elastically deformable material (eg silicone). In the region of the distal ends, therefore, the primary optic elements have a certain stability, since they can support one another in the region of their exit surfaces due to the one-piece design.
  • the primary optic elements must also be positioned and fixed in the region of their distal ends; However, it is not absolutely necessary that each individual primary optic element is separately positioned and fixed at its distal end. Rather, it is sufficient if some of the primary optic elements, preferably the outer primary optic elements of a plurality of matrix-like side by side and superimposed primary optic elements are positioned and fixed in the region of their distal ends on the holding element. The remaining primary optic elements are then also positioned and fixed by the fixed distal ends on the outer edge of the primary optic array.
  • the holder comprises a tension spring element which fixes the primary optic elements with primary optic elements completely inserted into the holder relative to the holder.
  • the tension spring element is preferably made of spring steel.
  • a radially outwardly projecting edge of the primary optic array is clamped between a support surface of the holder and the tension spring element. It is sufficient if the tension spring element clamps the outer edge on two opposite sides of the primary optic array.
  • a contact spring element of the tension spring element can produce an electrical connection between the primary optics elements and the illuminant carrier for ground connection.
  • the proximal ends of the elongated optical fibers require a high-precision positioning and fixation with respect to the lamps.
  • the holder is provided in the primary optic assembly according to the invention.
  • the holder is designed to close the proximal ends of the primary optic elements with an accuracy of Range of about 0.06 mm in terms of offset and distance of the light entry surfaces of the primary optic elements with respect to a light exit surface of a light source of the lighting device to position and secure.
  • FIG. 1 is an inventive Lighting device of a motor vehicle in its entirety by the reference numeral 1 denotes.
  • the lighting device 1 is designed as a headlight; but it could also be designed as a motor vehicle light to the front, rear or side of the vehicle.
  • 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 5.
  • the cover 5 is made of glass or plastic.
  • Optically effective profiles eg prisms or cylindrical lenses
  • a light module 6 is arranged inside the headlight housing 2.
  • the light module 6 can serve to generate any desired headlight function or a part thereof.
  • the light module 6 can be used to produce 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 serves, for example, to generate another headlight function. It would also be conceivable that the light modules 6, 7 together generate a specific headlight function.
  • the light module 7 could produce a low beam basic light distribution with a relatively wide spread and a horizontal cut-off.
  • the light module 6 could then generate a low-beam spotlight distribution, which compared to the Low beam basic light distribution of the light module 7 is relatively concentrated and at the top has an asymmetric cut-off. A superposition of the basic light distribution and the spotlight distribution results in a conventional low-beam distribution.
  • the headlight housing 2 in addition to the light modules 6, 7 further light modules are arranged.
  • only one light module for example the light module 6 without the light module 7, can be arranged in the spotlight housing 2.
  • luminaire module 8 such as the luminaire module 8 shown by way of example, to be arranged in the housing 2.
  • the lighting module 8 is used to generate any lighting function, such as a flashing light, a position light, a daytime running light, etc.
  • the light modules 6, 7 and the lighting module 8 each have a lighting means 100 (see. FIG. 3 ) to emit light.
  • the luminous means 100 may, for example, have a plurality of semiconductor light sources (LEDs) 102, which are arranged next to and / or above one another like a matrix (so-called LED array). However, it would also be conceivable for the lighting means 100 to have at least one semiconductor light source (LED) which has a plurality of adjacent and / or superimposed LED chips.
  • the LEDs 102 can be arranged on a common illuminant carrier 104, which is designed, for example, as a printed circuit board (so-called PCB), which carries the LEDs 102 both mechanically and also in electrical contact.
  • the illuminant carrier 104 may be mounted on a heat sink 106 in order to heat the heat generated during the operation of the LEDs 102 to the environment (eg into the interior of the Housing 2 of the lighting device 1) leave.
  • the light modules 6, 7 or the luminaire module 8 can have a primary optics module 10 according to the invention, as shown by way of example in FIGS Figures 2 and 3 is shown and described below in order to bundle at least a portion of the light emitted by the light emitting means 100 and to form as desired.
  • the light bundle bundled and shaped by the primary optics module 10 can be used directly to generate a desired light distribution of the illumination device 1.
  • the light beam would only pass through the cover plate 5 and - if present - are scattered by the optically active profiles arranged thereon.
  • the light bundle bundled and shaped by the primary optics assembly initially passes through a secondary optic, which is designed, for example, as a converging lens or as a reflector, in order to project the light bundle to generate a desired light distribution of the illumination device 1 on the roadway in front of it To project motor vehicle.
  • a secondary optic which is designed, for example, as a converging lens or as a reflector, in order to project the light bundle to generate a desired light distribution of the illumination device 1 on the roadway in front of it To project motor vehicle.
  • the primary optic assembly 10 is in FIG. 3 in their entirety and in FIG. 4 shown in the clipping. It comprises a plurality of primary optic elements 12 arranged side by side and / or one above the other, each having a light entry surface 14 at a proximal end 13 of a primary optic element 12 and a light exit surface 16 at a distal end 15 of the primary optic element 12 and a cross section increasing from the proximal end to the distal end exhibit.
  • the primary optic elements 12 have a longitudinal extension (distance between the entry surface 14 and the exit surface 16) which is significantly larger than any cross section of the primary optic elements 12 along the longitudinal extent.
  • the primary optic elements 12 are made of a dimensionally stable, but elastically deformable transparent material, for example an elastomer, in particular silicone, and are positioned and fastened by means of a holder 20 to the luminous means 100 or the illuminant carrier 104 of the illuminating device 1.
  • the holder 20 has holding elements 22 for the highly accurate positioning of the primary optic elements 12 in the region of their proximal ends 13.
  • the primary optic elements 12 are preferably formed in the region of their distal ends 15 in one piece with directly adjacent primary optic elements 12, so that the light exit surfaces 16 of the individual primary optic elements directly adjoin one another and merge into one another.
  • the individual exit surfaces 16 are thus delimited by kinks to each other.
  • the exit surfaces 16 of the individual primary optic elements 12 are simply delimited only with the naked eye indistinguishable functional surface elements of a single common light exit surface of all primary optic elements 12 and not by kinks to each other.
  • the holding elements 22 are designed to receive and position the proximal ends 13 of the individual primary optic elements 12. They each have a receiving and guiding area for one of the primary optics elements 12.
  • the receiving and guiding region has a longitudinal extent which runs essentially parallel to the longitudinal extent of the primary optic elements 12.
  • the receiving and guiding regions of the holding elements 22 have lateral guide surfaces 24, which extend from a proximal portion 23 of the holding elements 22 to a distal portion 25 of the holding elements 22.
  • One Distance between opposing guide surfaces 24 of a holding member 22 increases from the proximal portion 23 to the distal portion 25.
  • the distance between opposing guide surfaces 24 in the distal sections 25 of the holding elements 22 corresponds to a cross section of an insertion opening 26 of the holding elements 22 for the primary optic elements 12.
  • the distance between opposing guide surfaces 24 in the proximal portions 23 of the holding elements 22 corresponds to a cross section of a positioning opening 28 of the holding elements 22 for the primary optic elements 12.
  • the guide surfaces 24 of the holding elements 22 of the holder 20 are designed such that upon insertion of the primary optic 12 in the holder 20 via the distal portions 25 of the holding elements 22, the proximal ends 13 of the primary optic elements 12 slide along the guide surfaces 24 and the guide surfaces 24 guide the proximal ends 13 of the primary optic elements 12 into the proximal portions 23 of the holding elements 22.
  • the holding elements 22 and the primary optic elements 12 viewed at least in a common cross section in the region of a proximal portion 23 of the holding elements 22 and the proximal end 13 of the primary optic elements 12, in particular in a cross section in the region of the positioning openings 28, each different shaped cross sections.
  • the positioning apertures 28 have a circular or oval cross-section without any kinks or edges.
  • the primary optic elements 12 in the illustrated cross-section have the shape of a polygon having a plurality of corners 31, in this case an octagon having eight corners.
  • the polygon can also be called be formed any other polygon.
  • the polygon is preferably not rolled over, need not be equilateral, equiangular and / or regularly formed. It is important that the outer peripheral surface of the primary optic 12 has in cross section a plurality of corners which are distributed over the outer periphery, that the primary optic 12 rests selectively on the guide surfaces 24 and is held in the holding element 22. In the region of the proximal ends 13 of the primary optic elements 12, the outer surface of which lies only with the corners 31 on the inner peripheral or guide surfaces 24 of the holding elements 22, so that a punctiform overlay results in the cross section.
  • the holder 20 has a tension spring element 30 which fixes the primary optic elements 12 relative to the holder 20 when the primary optic elements 12 are inserted completely into the holder 20. If the primary optic elements 12 are formed in the region of their distal ends 15 in one piece with directly adjacent primary optic elements 12, the outer primary optic elements 12 can have radially outwardly projecting edge sections 17 in the region of their distal ends 15.
  • the holder 20 has an outer peripheral to the holding elements 22 supporting surface 21 for the edge portions 17 of the fully inserted into the holder 20 primary optics 12. The edge portions 17 are clamped between the tension spring element 30 and the support surface 21.
  • the tension spring element 30 is made of an electrically conductive material, in particular of steel, and serves for ground connection of the entire primary optics assembly 10.
  • the tension spring element 30 in an assembled state of the primary optics assembly 10 via at least one contact spring element 33 an electrical connection between the primary optics 12 and a light source carrier 104 ago.
  • the contact spring elements 33 preferably provide the ground connection via the side of the illuminant carrier 104 on which the light sources 102 are mounted. Furthermore, a single contact spring element 33 is sufficient.
  • the light source carrier 104 is formed, for example, as a printed circuit board on which the semiconductor light sources 102 are fixed and electrically contacted.
  • the contact spring element 33 is preferably formed integrally with the tension spring element 30.
  • the tension spring element 30 can also have separate stirrups or tongues, which provide electrical contact to the illuminant carrier 104 or the electrical connection therewith produce standing component.
  • the holder 20 In the region of the interface to the primary optical elements 12 or the edge region 17, the holder 20 has a defined protrusion (recess 21a with a larger extent than the peripheral area 17 to be accommodated) be able to compensate for the temperature expansion effects arising during operation.
  • the holder 20 has pin-shaped elements 29 which are formed on the outside of the holder 20, preferably on the outside on two opposite sides of the holder 20.
  • the elements 29 are preferably pins which serve to attach the entire primary optics module 10 to the remaining light module 6, 7, for example via the illuminant carrier 104, by means of gluing.
  • the pin-shaped elements 29 may also represent spacer elements which hold the entire primary optics assembly 10 at the assembly to the illuminant carrier 104 of the illumination device 1 at a defined distance from the illuminant 100. Special receiving geometries and positioning holes 29a on the holder 20 make it possible to pick up the entire assembly 10 with the aid of a mounting robot and to position it fully automatically.
  • the holder 20 is preferably made of a metal, in particular of aluminum. It is produced in a thixomolding process (so-called semi-solid metal casting (SSM)). It is a metal forming process that combines the benefits of casting and forging.
  • SSM semi-solid metal casting
  • the metal to be processed is heated to the transition temperature between solid and liquid. At this threshold, the thixotropic state is reached. In the thixotropic state, the viscosity of the material decreases.
  • the plasticine-like metal can be very precisely pressed into molds with low pressures.
  • the luminous means 100 is - as stated - preferably formed as an LED matrix.
  • the LED matrix 100 has a plurality of LED chips 102 arranged side by side and one above the other like a matrix.
  • the primary optic has several matrix-like juxtaposed and superimposed primary optic elements 12. In the illustrated embodiment, each LED chip 102 is assigned its own primary optics element 12. The light emitted by the LEDs 102 is largely coupled via the light entry surface 14 into the primary optics elements 12.
  • Headlamp 1 with such bulbs 100 in the form of an LED matrix and with the matrix-like arranged primary optics 12 are also referred to as matrix headlights, since they produce a resulting light distribution with a plurality of side by side and / or superimposed pixel or strip-shaped partial light distributions.
  • the individual partial light distributions, which are generated by the light of an LED 102 and the associated primary optics element 12, are also referred to as pixels.
  • the resulting light distribution will have a multiplicity of pixels arranged next to and above one another. In particular, in the illustrated embodiment, the pixels are arranged in three rows as well as in a plurality of columns. Each pixel of the light distribution is generated by an LED chip 102 in cooperation with the associated primary optics element 12 and, if present, after projection by a 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)
EP17202043.0A 2016-12-19 2017-11-16 Ensemble d'optique primaire destiné à être utilisé dans un dispositif d'éclairage du véhicule automobile et dispositif d'éclairage du véhicule automobile doté d'un tel ensemble d'optique primaire Active EP3339720B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102016124800.2A DE102016124800A1 (de) 2016-12-19 2016-12-19 Primäroptikbaugruppe zum Einsatz in einer Kraftfahrzeugbeleuchtungseinrichtung und Kraftfahrzeugbeleuchtungseinrichtung mit einer solchen Primäroptikbaugruppe

Publications (2)

Publication Number Publication Date
EP3339720A1 true EP3339720A1 (fr) 2018-06-27
EP3339720B1 EP3339720B1 (fr) 2020-12-30

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EP (1) EP3339720B1 (fr)
CN (1) CN108204570B (fr)
DE (1) DE102016124800A1 (fr)

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EP3540296A1 (fr) * 2018-03-15 2019-09-18 ZKW Group GmbH Dispositif d'eclairage pour un phare de vehicule automobile
EP3578874A1 (fr) * 2018-06-04 2019-12-11 ZKW Group GmbH Dispositif d'éclairage pour un phare de véhicule automobile
EP3604902A1 (fr) * 2018-08-03 2020-02-05 ZKW Group GmbH Dispositif optique pour une phare de véhicule automobile comprenant guides de lumière
FR3085903A1 (fr) * 2018-09-19 2020-03-20 Valeo Vision Systeme lumineux pour dispositif d'eclairage et/ou de signalisation d'un vehicule automobile
EP3864343A4 (fr) * 2018-10-11 2021-08-18 Flex-N-gate Advanced Product Development, LLC Module lumineux
EP3943807A1 (fr) * 2020-07-20 2022-01-26 ZKW Group GmbH Dispositif d'éclairage pour un phare de véhicule automobile
EP4191127A1 (fr) * 2021-12-02 2023-06-07 ZKW Group GmbH Dispositif d'éclairage pour phare de motocyclette

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CN112400081B (zh) * 2018-10-25 2023-01-31 华域视觉科技(上海)有限公司 车辆前照灯初级光学元件的安装结构、车灯和汽车
FR3090077B1 (fr) * 2018-12-17 2021-05-07 Valeo Vision Dispositif d’éclairage de l’habitacle d’un véhicule automobile apte à projeter un faisceau lumineux pixélisé
DE102019111593A1 (de) * 2019-05-06 2020-11-12 Zumtobel Lighting Gmbh Längliche Leuchte
DE102019122450A1 (de) * 2019-08-21 2021-02-25 HELLA GmbH & Co. KGaA Lichtleitermodul für eine Primäroptikbaugruppe einer Kraftfahrzeugbeleuchtungseinrichtung und Primäroptikbaugruppe

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CN108204570A (zh) 2018-06-26
EP3339720B1 (fr) 2020-12-30
DE102016124800A1 (de) 2018-06-21

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