EP3203140A1 - Dispositif d'éclairage pour un véhicule et procédé de fonctionnement correspondant - Google Patents

Dispositif d'éclairage pour un véhicule et procédé de fonctionnement correspondant Download PDF

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Publication number
EP3203140A1
EP3203140A1 EP17154052.9A EP17154052A EP3203140A1 EP 3203140 A1 EP3203140 A1 EP 3203140A1 EP 17154052 A EP17154052 A EP 17154052A EP 3203140 A1 EP3203140 A1 EP 3203140A1
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EP
European Patent Office
Prior art keywords
lighting device
light distribution
pixel
vehicle
light source
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
EP17154052.9A
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German (de)
English (en)
Other versions
EP3203140B1 (fr
Inventor
Jose Roberto VARGAS RIVERO
Carsten Gut
Johannes Reim
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Audi AG
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Audi AG
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Publication date
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Publication of EP3203140A1 publication Critical patent/EP3203140A1/fr
Application granted granted Critical
Publication of EP3203140B1 publication Critical patent/EP3203140B1/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
    • F21S41/20—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by refractors, transparent cover plates, light guides or filters
    • F21S41/25—Projection lenses
    • F21S41/265—Composite lenses; Lenses with a patch-like shape
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S41/00—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps
    • F21S41/10—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by the light source
    • F21S41/14—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by the light source characterised by the type of light source
    • F21S41/141—Light emitting diodes [LED]
    • F21S41/143—Light emitting diodes [LED] the main emission direction of the LED being parallel to the optical axis of the illuminating device
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S41/00—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps
    • F21S41/10—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by the light source
    • F21S41/14—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by the light source characterised by the type of light source
    • F21S41/141—Light emitting diodes [LED]
    • F21S41/151—Light emitting diodes [LED] arranged in one or more lines
    • F21S41/153—Light emitting diodes [LED] arranged in one or more lines arranged in a matrix
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S41/00—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps
    • F21S41/10—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
    • F21S41/176—Light sources where the light is generated by photoluminescent material spaced from a primary light generating element
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S41/00—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps
    • F21S41/20—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by refractors, transparent cover plates, light guides or filters
    • F21S41/25—Projection lenses
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S41/00—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps
    • F21S41/30—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by reflectors
    • F21S41/32—Optical layout thereof
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • 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
    • F21W2103/60—Projection of signs from lighting devices, e.g. symbols or information being projected onto the road

Definitions

  • the invention relates to a lighting device for a vehicle according to the preamble of claim 1 and a method for operating such a lighting device for a vehicle according to the preamble of patent claim 10.
  • anamorphic element By means of an anamorphic element it is generally possible to distort, for example stretch or compress, a light distribution impinging thereon. After the interaction with the anamorphic element, a distorted image of the incident light distribution results.
  • the term "light” is not necessarily limited to the spectral range perceptible by humans, but may also refer to other and / or additional frequencies of electromagnetic radiation.
  • a motor vehicle headlamp device in which a light source composed of a plurality of light-emitting elements and a projection lens are arranged at a distance which is smaller than the focal length of the projection lens.
  • a more uniform illumination can be achieved by minimizing the effects of the distances of the individual light-emitting elements on the light image.
  • a convex and a concave lens can additionally be provided on a side of the projection lens facing away from the light source, which together can form an anamorphic lens system, so that a corresponding shaping of the light distribution is made possible.
  • the US 2014/0092619 A1 discloses a fog lamp for a vehicle in which light emitted by an LED is directed through a special lens which has conventional refractive properties in a central portion has and allows in outer areas a total reflection on inner surfaces.
  • an anamorphic lens is provided, by means of which the angular extent of the light beam is to be reduced in a vertical direction and increased in a horizontal direction.
  • a surface of the anamorphic lens may have a uniformly repeating pattern, such as a vertical groove structure.
  • the US 2008/0285293 A1 describes a vehicle exterior mirror, in whose housing a light source and a lens arranged in the beam path of the light source are housed.
  • the lens may be a cylindrical lens or an anamorphic lens, by means of which an elongated light distribution is to be generated on a floor surface next to the vehicle, which extends substantially in the vehicle longitudinal direction.
  • the lens is rotatably coupled to a mechanism for folding the exterior mirror, so that the elongated shape of the illuminated surface is independent of the position of the exterior mirror feasible.
  • the object of the present invention is to provide a lighting device for a vehicle and a method for operating such a lighting device by means of which a light distribution can be designed individually with the least possible outlay.
  • the light distribution in at least one direction is nonlinear distorted by the anamorphic element.
  • the degree or degree of distortion thus increases from a first Part of the distorted light distribution to a second of this first portion starting in the said at least one direction located second partial area, said increase along a in the at least one direction extending sequence of partial areas a nonlinear relationship or course follows.
  • Such a non-linear distortion of the light distribution radiated from the pixel light source onto the anamorphic element makes it possible to project the light distribution-in particular in the form of patterns or images-onto a surface in an environment of the vehicle in a particularly advantageous manner Particularly good visibility especially for observers in the vicinity of the vehicle and / or a more uniform illumination of the illuminated surface can be achieved.
  • Such a lighting device is presently provided in particular as or in conjunction with a headlight of the vehicle, but it is also an application to almost any other point of the vehicle conceivable, such as a rear light or tail light or on the sides of the vehicle.
  • the lighting device mounted on a vehicle will be located in its intended operation above a surface traveled by the vehicle, which for the sake of simplicity is hereinafter referred to as a roadway, regardless of its concrete nature.
  • the pixel light source or the undistorted light distribution emitted by the pixel light source without a specially adapted distortion, ie, here without the anamorphic element, when the roadway is illuminated in the environment of the Vehicle increases by the illumination device, the size of each pixel associated areas of the illuminated area on the roadway with increasing distance from the vehicle.
  • the surface brightness as well as the pixel density and thus the resolution of a pattern or image irradiated onto the road by the illumination device would unfavorably vary. This effect of the pixel enlargement or the decrease of the pixel density increases non-linearly with increasing distance from the vehicle.
  • the anamorphic element provided in the beam path of the illumination device by non-linearly distorting the undistorted light distribution emitted by the pixel light source by the anamorphic element.
  • the Anamorphic element is designed so that such pixels or subregions of the light distribution, which contribute to an illumination of more distant from the vehicle parts of the roadway, are more distorted so those pixels or portions of the light distribution, which for the illumination of closer to the vehicle lying areas of the roadway contribute.
  • the pixel density on the illuminated surface can be specifically increased by a single anamorphic element, especially in those areas in which the greatest positive effect can be achieved due to the given geometry. This represents a much less expensive and thus simpler option than, for example, the alternative of increasing the pixel density of the pixel light source.
  • the anamorphic element can be realized in various ways, preferably as a transmissive element-such as a lens-or, for example, but also as a reflective element-for example as a mirror element.
  • the anamorphic element is designed as a free-form lens.
  • a free-form lens can have a planar side facing the pixel light source and an aspherical side opposite thereto.
  • the latter can also have very complex, non-rotationally symmetrical shapes, whereby a particularly accurate adaptation to the particular conditions and requirements such as the exact installation position or position and the desired size and shape of the illuminable or illuminable area is made possible.
  • a free-form lens can also have any suitable shape on both opposite or on all sides.
  • the anamorphic element is designed as a gradient lens. Irrespective of its shape, such a gradient lens can have continuously or partially varying optical properties, in particular refractive properties, due to inherent material properties, and can be realized, for example, by targeted doping of the lens material.
  • a gradient lens for example, be designed cylindrical, which optionally simplifies assembly or integration into the lighting device and / or the space utilization can be improved. In principle, they are However, almost any other shapes for a gradient lens conceivable. Also conceivable is an implementation by a multilayer structure of the gradient lens, for example made of different plastics.
  • the anamorphic element is designed as an arrangement of a plurality of lenses or individual lenses, which differ by at least one optical property, in particular a refractive property.
  • Such an arrangement may be referred to as a lens array.
  • the individual lenses may each be regularly shaped, for example, as a half-cylinder, which may optionally achieve a more cost-effective production.
  • the individual lenses can then differ, for example, by their size, their shape, the material used or other properties, as long as the desired effect results overall.
  • a further embodiment of the invention it is provided that, within a sequence of partial regions of the distorted light distribution extending in one direction, respective expansions of the partial regions extending in the same direction are distorted by the anamorphic element according to a monotone quadratic relationship with respect to the corresponding partial regions of the undistorted light distribution are.
  • the distorted light distribution is the light distribution which is present immediately after the interaction with the anamorphic element.
  • a quadratic profile of the distortion is particularly advantageous since the extent in the illumination direction of the illuminated areas assigned to one pixel in each case rises quadratically with increasing distance from the vehicle.
  • an anamorphic element which causes a quadratic distortion, which caused by the angle between the outgoing light from the illumination device and the road or the illuminated surface - that is, by the projection of the light distribution on the road - caused effect of pixel enlargement just compensated be compressed by at a shallower angle and thus at a greater distance from the vehicle to the vehicle hitting portions of the light distribution according to the square of the distance more.
  • each sub-region of the distorted light distribution immediately after interaction with the anamorphic element or at other points of the beam path is therefore not necessarily uniform and only the part areas or pixels shown as images on the roadway again have a uniform size.
  • the pixel light source comprises a surface light modulator, in particular a digital micromirror device (DMD).
  • DMD digital micromirror device
  • Such a DMD has a multiplicity of micromirrors which can be tilted between at least two positions, so that any light distributions, patterns or images composed of pixels can be generated by targeted activation.
  • the micromirrors can accordingly be tilted so that the light striking them is directed to an absorber and does not reach the surroundings of the illumination device or of the vehicle.
  • the DMD is illuminated directly or indirectly by an active light source and in turn serves as a passive pixel light source that illuminates the anamorphic element.
  • the DMD is thus arranged in the beam path emanating from the primary, active light source between this active light source and the anamorphic element.
  • any desired high-resolution light distribution can be generated particularly advantageously, whereby due to the high switching frequency of the micromirror actuators, even smooth animations or moving images or patterns can be generated or represented without problems. It can also be hidden or darkened targeted any areas, so that, for example, driving ahead or oncoming vehicles or other road users are not illuminated and thus not dazzled.
  • the pixel light source is composed of a plurality of active light sources.
  • the pixel light source is composed of a plurality of active light sources.
  • Such an arrangement makes it possible, if necessary, to reduce the number of optical elements in the beam path and thus to construct the illumination device in a more compact design.
  • the illumination device comprises at least one laser and an optical converter element, in particular a phosphor element, arranged in a beam path of the laser.
  • the laser is the or a primary, active light source of the illumination device and the optical converter element is irradiated in the further beam path, which converts the incident laser radiation into light, which in at least one property of the by differentiates the light generated by the laser.
  • the optical converter element can have a less pronounced point source characteristic or emit light at a larger angle or with greater divergence than the laser.
  • the illumination device comprises a sensor system for detecting a surface which can be illuminated by means of the illumination device, wherein by means of the illumination device on the detected surface an at least approximately equal large pixels composite pattern is generated.
  • the light distribution radiated from the pixel light source to the anamorphic element, depending on the data supplied by the sensor, may optionally already be adjusted in such a way that, in conjunction with the distortion caused by the anamorphic element and the projection geometry on the detected surface gives a particularly well-recognizable representation or an image of the light distribution.
  • a corresponding sensor system can comprise a large number of different sensors. These include, for example, radar, ultrasound and laser sensors, as well as cameras and generally optical sensors, wherein, if appropriate, respective corresponding transmission devices are provided.
  • the adaptation of the light distribution can be done by a targeted control of the pixel light source, for which, for example, an electronic control unit (ECU, English "Electronic Control Unit”) can be provided. It is therefore an adaptation or control of the light distribution by appropriately designed software and / or electronics conceivable, so that a realization of different light distributions or representations with a single lighting device is possible.
  • ECU electronice control unit
  • pixels of the pixel light source can be combined or assigned to a larger pixel or partial area of the light distribution.
  • the angle between the light beams emanating from the illumination device and the detected illuminated surface can have a particular influence here.
  • typical road bumps and inclines typically have negligible impact, such as a wall projecting approximately perpendicular to the road traveled by the vehicle in the direction of illumination in front of the vehicle, however, it may require significant modification of the light distribution radiated from the pixel light source to produce a Obtain from at least approximately the same size pixels composite representation on the wall - or generally on a sloped surface - to get
  • the pixel light source does not necessarily have to emit light distributions, patterns or images which are composed of pixels of equal size.
  • a distortion would be caused by the anamorphic element, which follows a quadratic relationship along at least one direction.
  • the illuminated surface corresponds to the at least substantially flat roadway traveled by the vehicle, but is formed for example by any other surface.
  • Such other surfaces may be surfaces of other vehicles or surfaces - for example walls - of buildings.
  • the anamorphic element is at least partially illuminated by means of a pixel light source with a light distribution and this light distribution at least one direction is non-linearly distorted by the anamorphic element.
  • the illumination device according to the invention or the method according to the invention in any embodiment can be particularly advantageous to use targeted representations information to the environment, that is, for example, to other road users, but also to respective occupants of the lighting device according to the invention equipped vehicle, wherein for communication purposes, a representation or projection with uniform resolution, that is, with uniform pixel size, is particularly desirable.
  • Fig. 1 shows a schematic and perspective schematic representation of a lighting device 1 with a laser 2 as a primary active light source, which emits a laser beam 3.
  • a plurality of optical elements are arranged in a beam path of the laser 2 or of the laser beam 3, wherein the lighting device 1 as a whole is designed as a front headlamp. Subsequently, the optical elements arranged in the beam path are described in accordance with their sequence in the beam path starting from the laser 2.
  • the laser beam 3 initially strikes an optical converter element, which in the present case is designed as a phosphor element 4 and excites it to illuminate or to convert the irradiated, for example, blue laser light into white light. While the laser 2 is a very bright point light source emitting an intense low divergence light beam, the phosphor element 4 can emit a less directional cone of white light. The phosphor element 4 can also be shaped accordingly by the desired beam expansion is supported for example by convex surfaces or generally a lens shape.
  • a refractive element in the form of a lens 5 is presently provided in the beam path, which is to be understood here as an example and can also represent a plurality of optical elements.
  • the light emitted by the phosphor element 4 is focused, expanded or generally shaped by the lens or the lenses 5, depending on the specific requirement, in order to achieve optimum illumination of subsequent optical elements.
  • an optical deflection element in the form of a digital micromirror device (DMD) 6 is arranged in the further course of the beam, which in the present case has an illuminated area or mirror area 7 arranged on a carrier.
  • the individual micromirrors of the DMD 6 can each be understood as individual pixels, so that a desired light distribution can be generated by specific adjustment of the tilting of the micromirrors. However, it is also possible to combine several micromirrors into a single pixel of the light distribution. In this way, the illuminated at an angle DMD 6 serves as a passive pixel light source, which emits a predetermined light distribution 9.
  • a hidden area 8 is generated by deliberate tilting of a subset of micromirrors of the DMD 6, which therefore represents or generates a dark area in the light distribution 9.
  • the light distribution 9 emitted by the DMD 6 strikes an anamorphic element, which in the present case is realized as a single anamorphic lens 10.
  • the light distribution 9 is distorted and projected as a picture 11 of the light distribution 9 on a surface in the vicinity of the illumination device 1 - in this case on a roadway 12 -.
  • the image 11 of the light distribution 9 is clearly an image 13 of the hidden area 8 to recognize, in which non-illuminated area, a foreign vehicle 14 is shown.
  • the degree or the magnitude of the distortion increases from the less strongly to the more distorted pixels of the light distribution 9 quadratically.
  • This quadratic increase in the distortion is in the projection of the so distorted light distribution on the roadway 12 just by the projection on the roadway 12, that is, due to the due to the angle between the emanating from the lighting device 1 light rays and the roadway 12 effect of pixel enlargement increasing distance from the vehicle, balanced.
  • the areas assigned to the individual pixels of the light distribution 9 are the same or extend over equally sized areal pieces of the roadway 12.
  • the pixel light source used that is to say here of the DMD 6 can be left in the environment without additional calculation or control effort
  • Fig. 2 shows a schematic representation of a distortion pattern 15, which can be understood as a distorted light distribution, which results in the passage of a composite of the same size pixels light distribution 9 through the anamorphic lens 10 immediately after this.
  • a distortion pattern 15 which can be understood as a distorted light distribution, which results in the passage of a composite of the same size pixels light distribution 9 through the anamorphic lens 10 immediately after this.
  • a two-dimensional coordinate system with x and y directions is shown.
  • the pixel 16 is the largest pixel and, as the distortion pattern 15 passes through in the y direction, the subsequent pixels become smaller, so that, for example, the pixel 17 only has a fraction of the height or expansion in the y direction of the pixel 16 ,
  • a quadratic relationship that is, a mathematical relationship, by a quadratic function can be described, decrease.
  • This increasing distortion in the negative x-direction is to be regarded as optional, since, for example, in an illumination direction in the vehicle longitudinal direction, the x-direction of the distortion pattern 15 describes the extent of the illuminated area on the roadway 12 in the roadway and vehicle transverse direction and here the extent of the illuminated area typically significantly lower as the extent of the illuminated area on the roadway 12 in the roadway and vehicle longitudinal direction, corresponding to the y-direction of the distortion pattern 15.
  • the effect of the projection caused by the pixel magnification in the image 11 of the light distribution 9 on the roadway 12 in x- Direction much less pronounced or less obtrusive to observers.
  • FIG. 3a shows a free-form lens 19, which has a half-lens shape with a flat side 20 and a curved side 21.
  • the curvature of the curved side 21 decreases in the negative y-direction, so that a deviation from a spherical shape is given and also clearly recognizable.
  • a lens assembly 22 which also has a flat side 23.
  • the side opposite this flat side 23 is composed here of a plurality of individual lenses 24, 25, 26, 27, which each have a half-lens or half-cylinder shape with equal or regular curvature.
  • the individual lenses 24 to 27 differ both in their curvature and in their thickness or material thickness, with the corresponding values decreasing in the negative y-direction from one to the next of the individual lenses 24 to 27.
  • the individual lens 24 has both the greatest thickness or material thickness and the largest curvature of all the individual lenses 24 to 27 and the Einzellinse 27 has correspondingly the smallest thickness or material thickness and the lowest curvature.
  • each of the individual lenses 24 to 27 causes a uniform distortion of the parts of the light distribution 9 passing through them, and the described, overall nonlinear distortion of the light distribution 9 results only over the entire area in comparison of the respective partial areas.
  • anamorphic lens assembly 22 in addition to the schematically shown here a variety of other variants are possible, in principle, the individual lenses 24 to 27 taken in each case need not be regularly formed, but each as a freeform lens and / or can be designed as a gradient lens.
  • the semi-cylindrical shape of the single lenses 24 to 27 shown here is only an example to understand and it would also be conceivable, for example, a hemispherical or other shape.
  • each single lens 24 to 27 can be assigned a single or a plurality of pixel lines or a single or a plurality of pixels.
  • the anamorphic lens 10 can be made for example of a glass or of a plastic material.
  • a reflection-reducing coating may be provided in order to minimize losses.
  • an anamorphic lens 10 in the beam path of the illumination device 1 causes a particularly nonlinear distortion of a light distribution 9, whereby a particularly advantageous adaptation of the pixel size or pixel density in the finally recognizable on an illuminated surface image 11 of the light distribution 9 can be achieved is.
  • the recognizability and the perceived quality of an image or a pattern can be significantly improved, in particular not the number of pixels or pixel density of the pixel light source used must be increased, so hereby a particularly efficient and resource-saving solution is given and the pixel density or resolution targeted in can be increased or improved in those areas where the greatest positive effect can be achieved.

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  • 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)
  • Lighting Device Outwards From Vehicle And Optical Signal (AREA)
EP17154052.9A 2016-02-02 2017-01-31 Dispositif d'éclairage pour un véhicule et procédé de fonctionnement correspondant Active EP3203140B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102016001103.3A DE102016001103A1 (de) 2016-02-02 2016-02-02 Beleuchtungseinrichtung für ein Fahrzeug und zugehöriges Betriebsverfahren

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EP3203140A1 true EP3203140A1 (fr) 2017-08-09
EP3203140B1 EP3203140B1 (fr) 2024-03-13

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EP3508379A1 (fr) * 2018-01-04 2019-07-10 Stanley Electric Co., Ltd. Dispositif d'affichage pour véhicule
EP3420269B1 (fr) * 2016-02-24 2019-10-23 ZKW Group GmbH Phare pour véhicules
DE102018127831A1 (de) 2018-11-07 2020-05-07 Schott Ag Beleuchtungseinrichtung, vorzugsweise mit einstellbarem oder eingestelltem Farbort, und ihre Verwendung sowie Verfahren zur Einstellung des Farborts einer Beleuchtungseinrichtung
EP3789659A2 (fr) 2019-08-09 2021-03-10 Schott Ag Corps de base pour un dispositif de conversion de lumière ou d'éclairage
US11441757B2 (en) 2019-08-09 2022-09-13 Schott Ag Light conversion devices and lighting devices
US11560993B2 (en) 2019-08-09 2023-01-24 Schott Ag Light conversion devices and lighting devices

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DE102020132352A1 (de) 2020-12-04 2022-06-09 Marelli Automotive Lighting Reutlingen (Germany) GmbH Lichtmodul für einen Kraftfahrzeugscheinwerfer
DE102021134193A1 (de) 2021-12-22 2023-06-22 Bayerische Motoren Werke Aktiengesellschaft Projektionsvorrichtung und Fahrzeug

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Cited By (9)

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Publication number Priority date Publication date Assignee Title
EP3420269B1 (fr) * 2016-02-24 2019-10-23 ZKW Group GmbH Phare pour véhicules
EP3508379A1 (fr) * 2018-01-04 2019-07-10 Stanley Electric Co., Ltd. Dispositif d'affichage pour véhicule
US10596953B2 (en) 2018-01-04 2020-03-24 Stanley Electric Co., Ltd. Display device for vehicle
DE102018127831A1 (de) 2018-11-07 2020-05-07 Schott Ag Beleuchtungseinrichtung, vorzugsweise mit einstellbarem oder eingestelltem Farbort, und ihre Verwendung sowie Verfahren zur Einstellung des Farborts einer Beleuchtungseinrichtung
US10989385B2 (en) 2018-11-07 2021-04-27 Schott Ag Lighting device, preferably with adjustable or adjusted color location, and use thereof, and method for adjusting the color location of a lighting device
EP3789659A2 (fr) 2019-08-09 2021-03-10 Schott Ag Corps de base pour un dispositif de conversion de lumière ou d'éclairage
US11441757B2 (en) 2019-08-09 2022-09-13 Schott Ag Light conversion devices and lighting devices
US11560993B2 (en) 2019-08-09 2023-01-24 Schott Ag Light conversion devices and lighting devices
US11719427B2 (en) 2019-08-09 2023-08-08 Schott Ag Base body for a light conversion or illuminating device

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