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EP4086506A1 - Dispositif d'éclairage pour un véhicule automobile et procédé de fabrication - Google Patents

Dispositif d'éclairage pour un véhicule automobile et procédé de fabrication Download PDF

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Publication number
EP4086506A1
EP4086506A1 EP22171541.0A EP22171541A EP4086506A1 EP 4086506 A1 EP4086506 A1 EP 4086506A1 EP 22171541 A EP22171541 A EP 22171541A EP 4086506 A1 EP4086506 A1 EP 4086506A1
Authority
EP
European Patent Office
Prior art keywords
light
lighting device
exit surface
optics
secondary optics
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
EP22171541.0A
Other languages
German (de)
English (en)
Other versions
EP4086506B1 (fr
Inventor
Michael Ritter
Daniel Rülke
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
Marelli Automotive Lighting Reutlingen Germany 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 Marelli Automotive Lighting Reutlingen Germany GmbH filed Critical Marelli Automotive Lighting Reutlingen Germany GmbH
Publication of EP4086506A1 publication Critical patent/EP4086506A1/fr
Application granted granted Critical
Publication of EP4086506B1 publication Critical patent/EP4086506B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • F21S43/00—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights
    • F21S43/20—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights characterised by refractors, transparent cover plates, light guides or filters
    • F21S43/27—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
    • F21S41/10—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
    • F21S41/285—Refractors, transparent cover plates, light guides or filters not provided in groups F21S41/24 - F21S41/2805
    • 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
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S43/00—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights
    • F21S43/10—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights characterised by the light source
    • F21S43/13—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights characterised by the light source characterised by the type of light source
    • F21S43/14—Light emitting diodes [LED]
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S43/00—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights
    • F21S43/10—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights characterised by the light source
    • F21S43/13—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights characterised by the light source characterised by the type of light source
    • F21S43/14—Light emitting diodes [LED]
    • F21S43/145—Surface emitters, e.g. organic light emitting diodes [OLED]
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S43/00—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights
    • F21S43/20—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights characterised by refractors, transparent cover plates, light guides or filters
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S43/00—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights
    • F21S43/20—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights characterised by refractors, transparent cover plates, light guides or filters
    • F21S43/26—Refractors, transparent cover plates, light guides or filters not provided in groups F21S43/235 - F21S43/255
    • 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
    • F21W2103/00—Exterior vehicle lighting devices for signalling purposes
    • F21W2103/30—Hazard lights
    • 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
    • F21W2103/00—Exterior vehicle lighting devices for signalling purposes
    • F21W2103/55—Daytime running lights [DRL]
    • 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
    • F21W2107/00—Use or application of lighting devices on or in particular types of vehicles
    • F21W2107/10—Use or application of lighting devices on or in particular types of vehicles for land vehicles
    • 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]
    • 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]
    • F21Y2115/15—Organic light-emitting diodes [OLED]

Definitions

  • the invention relates to a lighting device and a method for producing components of the lighting device.
  • LED displays OLEDs and microLEDs
  • signal light functions such as for example flashing lights or daytime running lights.
  • the known systems are two-dimensional due to their design and can only follow a sweep or inclination of a headlight design to a limited extent. Furthermore, a high number of liquid crystal filter layers required reduces the efficiency of such systems.
  • the object of the present invention is to provide a lighting device that allows flexible adaptation to a sweep and/or inclination of a headlight design, and can provide required statutory intensity values of a respective signal light function, while at the same time requiring little installation space, in particular a small installation depth .
  • the lighting device comprises a plurality of light sources, wherein the light sources can each be activated individually or at least one or more light source groups, comprising a subset of the light sources, can each be activated individually, with a plurality of primary optics assigned to a respective light source for bundling the light emitted by the respective light source , and a secondary optics device for imaging the bundled light in an illumination plane with a plurality of light entry surfaces assigned to a respective light source and a light exit surface, with a grating device for segmenting the light exiting via the light exit surface being provided in the light exit direction after the light exit surface of the secondary optics device.
  • the light sources are preferably light-emitting diodes, LEDs. However, the light sources can also be OLEDs or include microLEDs.
  • the light sources can preferably be activated individually, which includes in particular being able to be switched on, switched off and/or dimmed. Alternatively or additionally, it can also be provided that one or more light source groups, comprising a subset of the light sources, can each be activated individually.
  • the primary optics are preferably converging lenses. However, other optical elements, such as reflectors or attachment optics, in particular catadioptric attachment optics, can also be provided. Each primary optics bundles the light emitted by a light source, in particular in a preferred direction.
  • the preferred direction is, for example, a direction between the normal of the plane in which the light source is arranged and a direction in or against the direction of travel of a motor vehicle.
  • the secondary optics device is at least partially transparent, in particular made of a material comprising plastic.
  • the secondary optics device breaks the light beams entering via the light entry surfaces in a desired direction on the light exit surface, which is in particular flat.
  • the desired direction includes, in particular as a function of the lamp function that can be generated, for example a direction in or against the direction of travel of a motor vehicle, or a direction to one side of the motor vehicle.
  • the grating device segments this across the light exit surface of the secondary optics device exiting light.
  • the lattice device comprises in particular a plurality of lattice segments, the individual lattice segments being separated from one another by webs arranged between them.
  • a respective grid segment is preferably assigned to a respective light source.
  • the grating device is not transparent, in particular made of a material comprising plastic.
  • the tolerance for positioning is in the order of magnitude of the width of the webs of the grating device.
  • the light entry surfaces of the secondary optics device are arranged in a stepped manner. This results in an overall light entry surface with a plurality of steps, with each step forming the light entry surface for the light from a respective light source.
  • the stepped light entry surfaces deflect the entering light in such a way that the entering light can be refracted in the desired direction at the light exit surface.
  • the light bundles are preferably already oriented by the primary optics in such a way that the light entry surface can be approximately perpendicular to the rays of the light bundles.
  • the secondary optics device and the grating device are formed as an integral component.
  • the integral component then comprises the, in particular, transparent secondary optics device and the, in particular, non-transparent grating device.
  • the component is manufactured in a multi-component, in particular two-component injection molding process.
  • the secondary optics device includes in particular a flat light exit surface. The flat light exit surface makes it easier for the grating device to be molded onto it.
  • At least one carrier device is provided, with the light sources or a subset of the light sources being arranged on the carrier device.
  • the carrier device is in particular a circuit board.
  • the carrier device comprises a rigid or flexible material.
  • the circuit board is flat in one plane. In this way, a small overall depth is required.
  • a respective primary optics is a separate component.
  • several primary optics can form a common component.
  • the primary optics are arranged on or at the carrier device.
  • the light exit surface of the secondary optics device is arranged parallel to a plane of the carrier device.
  • a pane in particular a transparent pane, is arranged after the grating device in the light exit direction.
  • the positioning of the disc to the grating device is relatively uncritical in relation to the positioning of the primary optics to the light sources and/or the secondary optics device together with the grating device to the primary optics.
  • the light exiting via the light exit surface of the secondary optics device has previously been directed accordingly.
  • an air gap that is as small and as regular as possible, on the order of up to 0.5 mm, is desirable in order to avoid aberrations and blooming.
  • the pane is in particular clear and/or colorless and/or colored or vaporized, in particular partially vaporized and/or lasered and/or printed, in particular partially printed.
  • the pane comprises micro-optical elements, in particular on a light exit surface.
  • the micro-optical elements may be necessary, for example, to generate a light distribution in accordance with legal requirements.
  • the micro-optical elements are, for example, scattering optics, in particular in the form of cushion optics formed on a light exit surface of the pane.
  • the number of light sources and thus the number of grating segments is in particular at least 50, preferably 100 to 1000, in particular up to 5000, or more.
  • the lighting device according to the invention is designed, for example, to generate a signal light function, in particular a visual light function and/or a daytime running light function.
  • the lighting device according to the invention generates the legally required intensity values.
  • a corresponding lighting function can be generated over a very large angular range.
  • the lighting device can therefore be used in motor vehicle lights with a sweep and/or inclination of up to 90°.
  • the secondary optics device and the grating device are manufactured as an integral component.
  • the integral component then comprises the secondary optics device, which is in particular transparent, and the grating device, which is in particular non-transparent.
  • the stepped light entry surfaces are formed in such a way that all steps require the same demolding direction.
  • the carrier device 10 is in particular a circuit board.
  • the carrier device 10 comprises in particular a rigid or flexible material.
  • a plurality of light sources 12 are arranged on the carrier device 10 .
  • the light sources 12 are, for example, light-emitting diodes, LEDs.
  • the light sources 12 can preferably be activated individually, ie in particular can be switched on, switched off and/or dimmed. Alternatively or additionally, it can also be provided that one or more light source groups, comprising a subset of the light sources 12, can each be activated individually.
  • the lighting device further includes a plurality of primary optics 14 assigned to a respective light source 12 for bundling the light emitted by the respective light source 12 .
  • the primary optics 14 are designed, for example, as converging lenses. Each primary optics 14 bundles the light emitted by a light source 12, in particular in a preferred direction.
  • the preferred direction is, for example, a direction between the normal of the plane in which the light source 12 is arranged, ie the plane of the carrier device 10, and a direction in or against the direction of travel of a motor vehicle.
  • a respective primary optics 14 is a separate component. According to an alternative embodiment that is not shown, several primary optics 14 can form a common component.
  • a respective primary optics 14 in particular the focal point of the primary optics 14, to a respective light source 12
  • a high degree of accuracy is required in particular, with tolerances being in the range of 0.1 mm to 0.2 mm in particular.
  • the required positioning accuracy must therefore be guaranteed.
  • the primary optics 14 are arranged on or at the carrier device 10 .
  • the lighting device further includes a Secondary optics device 16 for imaging the light bundled by the primary optics 14 in an illumination plane.
  • the secondary optics device 16 comprises a plurality of light entry surfaces 18 assigned to a respective light source 12.
  • the secondary optics device 16 is at least partially transparent, in particular made of a material comprising plastic.
  • the secondary optics device 16 breaks the light bundles entering via the light entry surfaces 18 in a desired direction on a light exit surface 20 that is in particular flat.
  • the desired direction includes, in particular as a function of the lamp function that can be generated, for example a direction in or against the direction of travel of a motor vehicle, or a direction to one side of the motor vehicle.
  • the light entry surfaces 18 of the secondary optics device 16 are arranged in a stepped manner. This results in an overall light entry surface 22 with a plurality of steps, with each step forming the light entry surface 18 for the light from a respective light source.
  • the stepped light entry surfaces 18 deflect the entering light in such a way that the entering light can be refracted in the desired direction at the light exit surface 20 .
  • the light beams are already oriented by the primary optics 14 so that the Light entry surface 18 can be approximately perpendicular to the rays of the light beam.
  • a grating device 26 for segmenting the light exiting via the light exit surface 20 is provided in the light exit direction, cf. arrow 24 , after the light exit surface 20 of the secondary optics device 16 .
  • the grating device 26 segments the light exiting via the light exit surface of the secondary optics device.
  • the lattice device 26 comprises, in particular, a plurality of lattice segments 28, the individual lattice segments 28 being separated from one another by webs 30 arranged between them.
  • the lattice device 26 extends, for example, in one plane, with a type of three-dimensional lattice being given by the thickness or width of the webs 30 .
  • the grating device 26 itself can be arched or curved.
  • the shape of the grating device 26 is created by projecting a two-dimensional grating onto a free-form surface extending in space, in particular a section of a spherical surface.
  • a respective grid segment 28 is preferably assigned to a respective light source 12 .
  • the lattice device 26, that is to say the webs 30 of the lattice device 26, are in particular not transparent, in particular made of a material comprising plastic.
  • the tolerance for positioning is in the order of magnitude of the width of the webs 30 of the grating device 26.
  • the secondary optics device 16 and the grating device 26 are formed as an integral component 32 .
  • the integral component 32 then includes the in particular transparent secondary optics device 16 and the in particular non-transparent grating device 26.
  • the component 32 is manufactured in a multi-component, in particular two-component injection molding process.
  • the secondary optics device 26 includes, in particular, a flat light exit surface.
  • the flat light exit surface 26 promotes spraying of the grating device 26 thereon.
  • the stepped light entry surfaces are formed in such a way that all steps require the same demolding direction.
  • the light exit surface 20 of the secondary optics device 16 is arranged parallel to a plane of the carrier device 10 .
  • a pane 34 is arranged after the grating device 26 in the light exit direction 24 .
  • the positioning of the disc 34 to the grating device 26 is in relation to Positioning of the primary optics 14 to the light sources 12 and/or the secondary optics device 16 together with the grating device 26 to the primary optics 14 is relatively uncritical.
  • the light exiting via the light exit surface 20 of the secondary optics device 16 has previously been directed accordingly.
  • an air gap 36 of the order of magnitude of up to 0.5 mm which is as small and as regular as possible is desirable in order to avoid aberrations and blooming.
  • the pane 34 comprises micro-optical elements, in particular on a light exit surface 38 .
  • the micro-optical elements can be required, for example, in order to generate a light distribution in accordance with legal requirements.
  • the micro-optical elements are, for example, scattering optics, in particular in the form of cushion optics formed on a light exit surface 38 of the pane 34 .
  • the number of light sources 12 shown, and the number of primary optics 14 and number of grating segments 28 is only an example. In the lighting device according to the invention, it is provided that the number of light sources 12 and thus the number of primary optics 14 and grating segments 28 is in particular at least 50, preferably 100 to 1000, in particular up to 5000, or more.
  • the grating segments 28 can be arranged in rows and rows in any number. is preferred for example, a number of seven to sixteen lines.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Optics & Photonics (AREA)
  • Mathematical Physics (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
EP22171541.0A 2021-05-04 2022-05-04 Dispositif d'éclairage pour un véhicule automobile et procédé de fabrication Active EP4086506B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102021111499.3A DE102021111499A1 (de) 2021-05-04 2021-05-04 Beleuchtungseinrichtung für ein Kraftfahrzeug und Herstellungsverfahren

Publications (2)

Publication Number Publication Date
EP4086506A1 true EP4086506A1 (fr) 2022-11-09
EP4086506B1 EP4086506B1 (fr) 2024-10-09

Family

ID=81580264

Family Applications (1)

Application Number Title Priority Date Filing Date
EP22171541.0A Active EP4086506B1 (fr) 2021-05-04 2022-05-04 Dispositif d'éclairage pour un véhicule automobile et procédé de fabrication

Country Status (4)

Country Link
US (1) US11959605B2 (fr)
EP (1) EP4086506B1 (fr)
CN (1) CN115289431A (fr)
DE (1) DE102021111499A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20240125200A (ko) * 2023-02-10 2024-08-19 에스엘 주식회사 차량용 램프

Citations (5)

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DE3905779A1 (de) * 1989-02-24 1990-08-30 Reitter & Schefenacker Kg Leuchte, insbesondere kraftfahrzeugrueckleuchte
WO2014094017A1 (fr) * 2012-12-20 2014-06-26 Zizala Lichtsysteme Gmbh Unité d'éclairage pour un projecteur
WO2017066817A1 (fr) * 2015-10-23 2017-04-27 Zkw Group Gmbh Module lumineux à microprojection pour projecteur de véhicule
WO2019158890A1 (fr) * 2018-02-19 2019-08-22 Automotive Lighting Rear Lamps France Dispositif de signalisation pour véhicule automobile comprenant un écran opaque permettant le passage d'une plus grande quantité de lumière émise par une source de lumière dissimulée derrière ledit écran
EP3608586A1 (fr) * 2018-08-07 2020-02-12 ZKW Group GmbH Dispositif de projection, module lumineux et phares de véhicule automobile de micro-optiques

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AT514967B1 (de) * 2013-10-25 2015-08-15 Zizala Lichtsysteme Gmbh Mikroprojektions-Lichtmodul für einen Kraftfahrzeugscheinwerfer
TWM503345U (zh) * 2015-02-26 2015-06-21 Tyc Brother Ind Co Ltd 車燈
CZ201793A3 (cs) * 2017-02-17 2018-08-29 Varroc Lighting Systems, s.r.o. Světelné zařízení, zejména signální svítilna pro motorová vozidla
CN207262329U (zh) * 2017-04-27 2018-04-20 法雷奥照明湖北技术中心有限公司 光束调整装置与车灯组件
US10746368B2 (en) * 2017-05-23 2020-08-18 Stanley Electric Co., Ltd. Vehicular headlight
FR3078140B1 (fr) 2018-02-19 2020-09-11 Automotive Lighting Rear Lamps France Dispositif de signalisation de securite attractive pour un vehicule automobile
DE102018106171A1 (de) 2018-03-16 2019-09-19 HELLA GmbH & Co. KGaA Beleuchtungsvorrichtung für Fahrzeuge
US11060680B2 (en) 2018-07-25 2021-07-13 Hasco Vision Technology Co., Ltd. Lighting display device
CN113227868A (zh) * 2018-11-08 2021-08-06 亮锐控股有限公司 具有改进的稳定性的光学布置
DE102019204523B4 (de) 2019-03-29 2023-08-03 Edag Engineering Gmbh Pixellichtmodul für eine Rückleuchte eines Fahrzeugs
DE102020107728A1 (de) 2020-03-20 2021-09-23 HELLA GmbH & Co. KGaA Beleuchtungsvorrichtung für ein Fahrzeug

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3905779A1 (de) * 1989-02-24 1990-08-30 Reitter & Schefenacker Kg Leuchte, insbesondere kraftfahrzeugrueckleuchte
WO2014094017A1 (fr) * 2012-12-20 2014-06-26 Zizala Lichtsysteme Gmbh Unité d'éclairage pour un projecteur
WO2017066817A1 (fr) * 2015-10-23 2017-04-27 Zkw Group Gmbh Module lumineux à microprojection pour projecteur de véhicule
WO2019158890A1 (fr) * 2018-02-19 2019-08-22 Automotive Lighting Rear Lamps France Dispositif de signalisation pour véhicule automobile comprenant un écran opaque permettant le passage d'une plus grande quantité de lumière émise par une source de lumière dissimulée derrière ledit écran
EP3608586A1 (fr) * 2018-08-07 2020-02-12 ZKW Group GmbH Dispositif de projection, module lumineux et phares de véhicule automobile de micro-optiques

Also Published As

Publication number Publication date
US20220357010A1 (en) 2022-11-10
DE102021111499A1 (de) 2022-11-10
US11959605B2 (en) 2024-04-16
CN115289431A (zh) 2022-11-04
EP4086506B1 (fr) 2024-10-09

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