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1. WO2018148767 - METHOD AND DEVICE FOR GENERATING A LIGHT DISTRIBUTION IN FRONT OF A VEHICLE

Publication Number WO/2018/148767
Publication Date 23.08.2018
International Application No. PCT/AT2018/060028
International Filing Date 30.01.2018
IPC
F21S 41/675 2018.01
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
21LIGHTING
SNON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
41Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps
60characterised by a variable light distribution
67by acting on reflectors
675by moving reflectors
F21S 41/64 2018.01
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
21LIGHTING
SNON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
41Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps
60characterised by a variable light distribution
63by acting on refractors, filters or transparent cover plates
64by changing their light transmissivity, e.g. by liquid crystal or electrochromic devices
B60Q 1/08 2006.01
BPERFORMING OPERATIONS; TRANSPORTING
60VEHICLES IN GENERAL
QARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
1Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor
02the devices being primarily intended to illuminate the way ahead or to illuminate other areas of way or environments
04the devices being headlights
06adjustable, e.g. remotely-controlled from inside vehicle
08automatically
CPC
B60Q 1/085
BPERFORMING OPERATIONS; TRANSPORTING
60VEHICLES IN GENERAL
QARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
1Arrangements or adaptations of optical signalling or lighting devices
02the devices being primarily intended to illuminate the way ahead or to illuminate other areas of way or environments
04the devices being headlights
06adjustable, e.g. remotely controlled from inside vehicle
08automatically
085due to special conditions, e.g. adverse weather, type of road, badly illuminated road signs or potential dangers
B60Q 2300/312
BPERFORMING OPERATIONS; TRANSPORTING
60VEHICLES IN GENERAL
QARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
2300Indexing codes for automatically adjustable headlamps or automatically dimmable headlamps
30Indexing codes relating to the vehicle environment
31Atmospheric conditions
312Adverse weather
F21S 41/645
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
21LIGHTING
SNON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
41Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps
60characterised by a variable light distribution
63by acting on refractors, filters or transparent cover plates
64by changing their light transmissivity, e.g. by liquid crystal or electrochromic devices
645by electro-optic means, e.g. liquid crystal or electrochromic devices
F21S 41/675
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
21LIGHTING
SNON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
41Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps
60characterised by a variable light distribution
67by acting on reflectors
675by moving reflectors
Applicants
  • ZKW GROUP GMBH [AT]/[AT]
Inventors
  • REINPRECHT, Markus
  • JUNGWIRTH, Thomas
Agents
  • PATENTANWALTSKANZLEI MATSCHNIG & FORSTHUBER OG
Priority Data
A 50129/201716.02.2017AT
Publication Language German (DE)
Filing Language German (DE)
Designated States
Title
(DE) VERFAHREN UND VORRICHTUNG ZUR ERZEUGUNG EINER LICHTVERTEILUNG VOR EINEM FAHRZEUG
(EN) METHOD AND DEVICE FOR GENERATING A LIGHT DISTRIBUTION IN FRONT OF A VEHICLE
(FR) PROCÉDÉ ET DISPOSITIF DE PRODUCTION D’UNE DISTRIBUTION DE LUMIÈRE DEVANT UN VÉHICULE
Abstract
(DE)
Verfahren (1000) zur Erzeugung einer Lichtverteilung vor einem Fahrzeug, wobei folgende Verfahrensschritte ausgeführt werden: - Erzeugen (1010) eines Lichtstrahlbündels durch zumindest eine Lichtquelle, - Abstrahlen (1020) des Lichtstrahlbündels in Richtung eines optoelektronischen Bauteils, - Auswählen (1030) einer in einem Datenspeicher gespeicherten Lichtverteilung, - Erfassen (1040) einer Umgebungstemperatur zu einem Temperaturparameter, und/oder eines Niederschlags zu einem Niederschlagsintensitätsparameter und/ oder einem Niederschlagsgrößenparameter, - Bestimmen (1050) der Temperatur-, Niederschlagsintensitäts- und/oder Niederschlagsgrößen-Parameter als zumindest ein Parameter, - Definieren (1060) einer Überlagerungsfunktion aus dem zumindest einem Parameter, - Überlagern (1070) der Lichtverteilung mit der Überlagerungsfunktion zu einer Lichtmatrix, - Ansteuern (1080) des optoelektronischen Bauteils durch die Lichtmatrix mittels der Ausgabeeinheit, - Modulieren (1090) des eingestrahlten Lichtstrahlbündels durch das optoelektronische Bauteil und zumindest teilweises Reflektieren des Lichtstrahlbündels in Richtung zumindest einer Projektionsoptik, - Projizieren (1100) des modulierten Lichtstrahlbündels durch die zumindest eine Projektionsoptik und Ausbilden eines Lichtbilds vor dem Fahrzeug.
(EN)
The invention relates to a method (1000) for generating a light distribution in front of a vehicle, wherein the following method steps are carried out: - generating (1010) a light beam bundle by means of at least one light source, - emitting (1020) the light beam bundle in the direction of an optoelectronic component, - selecting (1030) a light distribution stored in a data storage unit, - detecting (1040) a surrounding temperature in order to form a temperature parameter and/or a condensation in order to form a condensation intensity parameter and/or a condensation variable parameter, - determining (1050) the temperature, condensation intensity, and/or condensation variable parameter as at least one parameter, - defining (1060) an overlaying function from the at least one parameter, - overlaying (1070) the light distribution with the overlaying function in order to form a light matrix, - actuating (1080) the optoelectronic component with the light matrix by means of the output unit, - modulating (1090) the emitted light beam bundle by means of the optoelectronic component and at least partly reflecting the light beam bundle in the direction of at least one optical projection element, and - projecting (1100) the modulated light beam bundle by means of the at least one optical projection element and forming a light image in front of the vehicle.
(FR)
L’invention concerne un procédé (1000) de production d’une distribution de lumière devant un véhicule, les étapes de procédé suivantes étant réalisées : - production (1010) d’un faisceau de rayons de lumière par au moins une source de lumière, - rayonnement (1020) du faisceau de rayons de lumière en direction d’un composant optoélectronique, - sélection (1030) d’une distribution de lumière conservée dans une banque de données, - détection (1040) d’une température ambiante en un paramètre de température, et/ou d’une précipitation en un paramètre d’intensité de précipitation et/ou un paramètre de grandeur de précipitation, - détermination (1050) des paramètres de température, d’intensité de précipitation, et/ou de grandeur de précipitation en tant qu’au moins un paramètre, - définition (1060) d’une fonction de superposition à partir du ou des paramètres, - superposition (1070) de la distribution de lumière avec la fonction de superposition à une matrice de lumière, - commande (1080) du composant optoélectronique par la matrice de lumière au moyen de l’unité de transmission, - modulation (1090) du faisceau de rayons de lumière irradié par le composant optoélectronique et réflexion au moins partielle du faisceau de rayons de lumière en direction d’au moins une optique de projection, - projection (1100) du faisceau modulé de rayons de lumière par l’optique ou les optiques de projection et constitution d’une image de lumière devant le véhicule.
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