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WO2018145793A1 - Dispositif déflecteur pour un capteur optoélectronique d'un véhicule à moteur comprenant un élément optique permettant de guider des faisceaux lumineux, capteur optoélectronique, système d'aide à la conduite ainsi que véhicule à moteur - Google Patents

Dispositif déflecteur pour un capteur optoélectronique d'un véhicule à moteur comprenant un élément optique permettant de guider des faisceaux lumineux, capteur optoélectronique, système d'aide à la conduite ainsi que véhicule à moteur Download PDF

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Publication number
WO2018145793A1
WO2018145793A1 PCT/EP2017/081884 EP2017081884W WO2018145793A1 WO 2018145793 A1 WO2018145793 A1 WO 2018145793A1 EP 2017081884 W EP2017081884 W EP 2017081884W WO 2018145793 A1 WO2018145793 A1 WO 2018145793A1
Authority
WO
WIPO (PCT)
Prior art keywords
light beams
electro
optical
deflection
optical element
Prior art date
Application number
PCT/EP2017/081884
Other languages
German (de)
English (en)
Inventor
Bernd BERTSCHINGER
Ho-Hoai-Duc Nguyen
Lin Lin
Daniel STRICKER-SHAVER
Original Assignee
Valeo Schalter Und Sensoren 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 Valeo Schalter Und Sensoren Gmbh filed Critical Valeo Schalter Und Sensoren Gmbh
Publication of WO2018145793A1 publication Critical patent/WO2018145793A1/fr

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S17/00—Systems using the reflection or reradiation of electromagnetic waves other than radio waves, e.g. lidar systems
    • G01S17/02—Systems using the reflection of electromagnetic waves other than radio waves
    • G01S17/06—Systems determining position data of a target
    • G01S17/08—Systems determining position data of a target for measuring distance only
    • G01S17/10—Systems determining position data of a target for measuring distance only using transmission of interrupted, pulse-modulated waves
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S17/00—Systems using the reflection or reradiation of electromagnetic waves other than radio waves, e.g. lidar systems
    • G01S17/02—Systems using the reflection of electromagnetic waves other than radio waves
    • G01S17/06—Systems determining position data of a target
    • G01S17/42—Simultaneous measurement of distance and other co-ordinates
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S17/00—Systems using the reflection or reradiation of electromagnetic waves other than radio waves, e.g. lidar systems
    • G01S17/88—Lidar systems specially adapted for specific applications
    • G01S17/93—Lidar systems specially adapted for specific applications for anti-collision purposes
    • G01S17/931—Lidar systems specially adapted for specific applications for anti-collision purposes of land vehicles
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
    • G01S7/48—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S17/00
    • G01S7/481—Constructional features, e.g. arrangements of optical elements
    • G01S7/4814—Constructional features, e.g. arrangements of optical elements of transmitters alone
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
    • G01S7/48—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S17/00
    • G01S7/481—Constructional features, e.g. arrangements of optical elements
    • G01S7/4817—Constructional features, e.g. arrangements of optical elements relating to scanning
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/29—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the position or the direction of light beams, i.e. deflection

Definitions

  • Deflection device for an optoelectronic sensor of a motor vehicle comprising an optical element for guiding light beams, optoelectronic sensor,
  • the present invention relates to a deflection device for an optoelectronic sensor of a motor vehicle with at least one electro-optical deflection unit, which is designed to deflect light beams into predetermined deflection angles, wherein the at least one electro-optical deflection unit has an entrance area for coupling in the light beams and an exit area for coupling out having the deflected light rays.
  • the present invention relates to an optoelectronic sensor.
  • the present invention relates to a driver assistance system.
  • the present invention relates to a motor vehicle.
  • optoelectronic sensors for motor vehicles.
  • Such optoelectronic sensors can be designed, for example, as lidar sensors (Lidar - Light Detection and Ranging).
  • lidar sensors Lidar - Light Detection and Ranging
  • Such optoelectronic sensors are installed, for example in motor vehicles, while driving
  • the optoelectronic sensor is in particular a scanning optical measuring device by means of which objects or obstacles in the surroundings of the motor vehicle can be detected. For example, with the optoelectronic sensor, a distance between the motor vehicle and the object can be determined on the basis of the transit time of a light pulse or according to the so-called time-of-flight principle.
  • the optoelectronic sensor usually comprises a transmitter which, for example, has a laser diode, by means of which an optical transmission signal in the form of a light pulse or a light beam can be emitted.
  • the optoelectronic sensor comprises a corresponding receiver, which has, for example, at least one photodiode, by means of which the light beam reflected by the object can be received as a received signal.
  • the light beams are emitted in a predetermined detection range.
  • the transmitter has a deflection device.
  • deflection devices are known from the prior art.
  • deflection devices are used, which are deflection mirrors or an array of micromirrors. In the present case, the interest applies
  • Deflection devices comprising an electro-optical deflection unit.
  • electro-optical deflection units which have no moving mechanical parts, the light beams in two spatial directions with a high
  • electro-optical deflection units can, for example, have a light guide in which the light beams are guided by total reflection at interfaces.
  • elements may be provided with which an entry angle at which the light beam is coupled into the optical waveguide, and / or an exit angle at which the light beam exits the optical waveguide, can be influenced.
  • These elements may, for example, comprise liquid crystals whose refractive index can be changed under the influence of an electric field.
  • Such a deflection unit is described, for example, in US Pat. No. 8,995,038 B1.
  • WO 2014/200581 A2 describes a lidar system in which by means of an electro-optical deflection unit, a laser beam in different
  • a polarizing grid can further be arranged in order to increase the beam quality.
  • Optoelectronic sensor of a motor vehicle at least one electro-optical
  • the at least one electro-optical deflection unit which is preferably designed to deflect light beams into predetermined deflection angle.
  • the at least one electro-optical deflection unit preferably has an entrance area for coupling in the light beams and a
  • the deflection device comprises an optical element, which is arranged at the exit region of the electro-optical deflection unit. Furthermore, the optical element is preferably designed to guide the respective light beams deflected by the at least one electro-optical deflection unit to a predetermined transmission angle for each of the predetermined deflection angles.
  • the deflection device comprises an optical element, which is arranged at the exit region of the at least one electro-optical deflection unit and which is designed to guide the respective light beams deflected by the at least one electro-optical deflection unit to a predetermined transmission angle for each of the predetermined deflection angles ,
  • the deflection device can be used in an optoelectronic sensor for a motor vehicle.
  • Such an optoelectronic sensor can be designed as a lidar sensor and in particular as a scanning lidar sensor.
  • the lidar sensor can be designed as a lidar sensor and in particular as a scanning lidar sensor.
  • Deflection device can be used in a transmitter of the optoelectronic sensor.
  • a light source may be a laser light source, for example a laser diode.
  • the deflection device comprises the electro-optical deflection unit, which can also be referred to as an electro-optical deflector.
  • the electro-optical deflection unit has the entrance area, via which the light beams can be supplied to the electro-optical deflection unit. The deflected light beams can then be output from the exit region of the electro-optical deflection unit.
  • This electro-optical deflection unit may, for example, comprise an element whose refractive index is dependent changed by an applied electric field.
  • the electro-optical deflection unit can be controlled in such a way that the light beams are deflected chronologically successively into predetermined deflection angles.
  • the light beams can be deflected in a predetermined angular range.
  • the deflection device additionally has an optical element which is attached to the
  • Exit region of the electro-optical deflection unit is arranged.
  • the optical element is designed such that it deflects or guides each of the light beams, which has been deflected with the electro-optical deflection unit at a predetermined deflection angle, to a corresponding transmission angle.
  • the optical element By means of the optical element, the light beams deflected by the electro-optical deflection unit can be refracted and / or reflected.
  • the detection range (FOV - Field Of View) of the optoelectronic sensor can thus be increased. This enables reliable operation of the optoelectronic sensor.
  • the optical element is integrally connected to the at least one electro-optical deflection unit.
  • the electro-optical deflection unit Preferably, the electro-optical
  • Deflection unit and the optical element may be connected by means of a translucent adhesive.
  • the adhesive is particularly permeable to the light rays.
  • this adhesive can be applied in the liquid state to the electro-optical deflection unit and / or the optical element and the electro-optical deflection unit and the optical element can be adjusted to each other. Following this, the adhesive can be cured. In this way, it is possible to optically and mechanically adjust the electro-optical deflection unit and the optical element to each other. Thus, a reliable and strong connection between the electro-optical deflection unit and the optical element can be achieved.
  • This compound is resistant to environmental influences and
  • the optical element is configured to break the respective deflected light beams, the optical element having at least one outcoupling surface for coupling out the light beams.
  • the optical element may be formed from a material which is at least partially transparent to the light beams or the laser light.
  • the optical element may be formed from a plastic or from a glass.
  • the light beams, which are deflected by the electro-optical deflection unit are first coupled into the optical element and then the transition of the light beams from the optical element takes place in the air. Due to the shape and design of the optical element then the respective light beams can be performed accordingly.
  • the optical element may have one or more outcoupling surfaces, which may in particular be concave. Thus, it can be made possible, for example, that the light beams, which are deflected by means of the electro-optical deflection unit in an angular range of 100 °, through the optical element in a
  • Angle range of 150 ° to be deflected Consequently, the detection range of the optical sensor can be increased in a simple and reliable manner.
  • the decoupling surface has a plurality of segments, wherein each of the predetermined transmission angle is associated with a segment.
  • the light beams are deflected with the electro-optical deflection unit in the predetermined deflection angle.
  • the associated light beam is guided to a predetermined transmission angle.
  • each of the transmitting elements is assigned a segment on the coupling-out surface of the optical element.
  • the respective light beams can be directed to the predetermined, discrete transmission angles. For example, if a detection area
  • 1500 segments can be provided.
  • an angular resolution of 0.1 ° can be achieved. In this way, a relatively large detection area can be scanned with a high resolution.
  • the respective segments are formed.
  • the respective segments are provided with a microtechnical manufacturing process.
  • the respective segments can be produced by means of laser structuring. It can also be provided that the respective segments by means of a
  • the segments can be used to compensate for influences of the electro-optical deflection unit on the light beams.
  • the light beams can be shaped accordingly by the segments or the microstructures. In particular, the illumination amount of the light beams or the laser beams can be improved.
  • the optical element has at least one reflection surface for reflecting the respective deflected light beams. It can thus be provided that the light beams, after they are coupled into the optical element, are first of all reflected once or several times within the optical element.
  • the optical element on the reflection surfaces have corresponding coatings on which the light rays are reflected. In this way, the respective light beams can be guided to the predetermined transmission angle.
  • the optical element has at least one
  • Coupling surface for coupling the deflected light beams wherein the at least one coupling-in surface has a coating for reducing refractive losses.
  • This coating can be designed in particular as an antireflection coating.
  • Refractive index of the optical element less than the difference between the refractive index of the electro-optical deflector and the refractive index of the air.
  • the refractive index of the electro-optical deflection unit may be about 3.5, and the refractive index of the optical element may be about 2.
  • Deflection unit in the optical element relatively low, whereby the effect of the coating or the anti-reflection coating is increased.
  • the at least one electro-optical deflection unit has an optical waveguide for guiding the light beams by total reflection of the light beams at interfaces of the optical waveguide and an element for influencing an entry angle of the light beams fed to the optical waveguide and / or an exit angle of the light beams emerging from the optical waveguide , Within the electro-optical deflection unit, the respective light beams can be guided in the light guide. Through the element, the entrance angle at which the light rays enter the light guide and / or the exit angle of the light rays from the light guide can be changed.
  • the element may be designed such that it alters its refractive index as a function of an electric field applied to the element.
  • the element may comprise a liquid crystal.
  • the electro-optical deflection unit is designed as a so-called Steerable Electro Evanesent Optical Reflector (SEEOR).
  • the deflection device has at least two electro-optical deflection units, wherein the respective exit regions of the at least two electro-optical deflection units are connected to the optical element.
  • each of the electro-optical deflection units can be assigned a light source in order to couple the light beams into the respective electro-optical deflection unit.
  • the optical element With the optical element, the light beams, which are deflected with the at least two electro-optical deflection units, can then be guided into respective predetermined transmission angles. It can be provided, for example, that each of the electro-optical deflection units is assigned a coupling-out surface of the optical element.
  • each of the electro-optical deflecting units can be assigned a detection area in which the respective light beams are guided with the optical element. It can be provided that the detection areas of the electro-optical deflection units to the overlap or are different from each other in regions. Thus, by the optical element, the detection ranges of the respective electro-optical deflection units can be adjusted depending on the application.
  • An optoelectronic sensor according to the invention for a motor vehicle comprises a deflection device according to the invention. It is provided in particular that the optoelectronic sensor is designed as a scanning Lidar sensor.
  • Optoelectronic sensor may comprise a transmitter, which comprises the deflection device.
  • the transmitter may comprise a corresponding light source, which is preferably designed as a laser diode.
  • the optoelectronic Sensor comprises a receiver, which has, for example, a photodiode.
  • the optoelectronic sensor can have a corresponding computing device, by means of which the emission of the light pulses can be controlled.
  • the distance to the object can be determined with the computing device on the basis of the transit time. With the help of the computing device, the deflection device and in particular the electro-optical deflection unit can be controlled.
  • a driver assistance system comprises an optoelectronic sensor according to the invention. For example, a distance to an object or an obstacle in the surroundings of the motor vehicle can be determined with the optoelectronic sensor. Based on the distance can then be issued with the driver assistance system an indication to the driver or intervene in the longitudinal guide and / or the transverse guidance of the motor vehicle.
  • a motor vehicle according to the invention comprises an inventive
  • the motor vehicle is designed in particular as a passenger car.
  • the motor vehicle can also be designed as a truck or as a commercial vehicle.
  • FIG. 1 shows a motor vehicle according to an embodiment of the present invention
  • FIG. 2 shows a deflection device according to an embodiment of the invention in a sectional side view
  • Fig. 3 is a top of an optical element of the deflection according to
  • Fig. 4 is a bottom of the optical element of the deflection according to
  • Fig. 5 is a detail view of a decoupling surface of the optical element.
  • Fig. 1 shows a motor vehicle 1 according to an embodiment of the present invention in a plan view.
  • the motor vehicle 1 is present as a passenger car
  • the motor vehicle 1 comprises a driver assistance system 2, which serves a driver of the motor vehicle 1 when driving the motor vehicle 1
  • driver assistance system 2 for example, an object 3, which is located in an environment 4 of the motor vehicle 1, are detected. If the object 3 is detected, the driver assistance system 2 can issue a warning to the driver. Furthermore, with the driver assistance system 2 in the
  • the driver assistance system 2 comprises a
  • the optoelectronic sensor 5 may be formed as a lidar sensor.
  • the optoelectronic sensor 5 is designed as a scanning lidar sensor.
  • the optoelectronic sensor 5 comprises a transmitter 6, by means of which light beams or light pulses can be transmitted as a transmission signal. This is illustrated in the present case by the arrow 8. With the transmitter 6, the light pulses can be emitted in a predetermined detection area 12.
  • the light pulses can be emitted in a predetermined horizontal angle range.
  • the optoelectronic sensor 5 further comprises a receiver 7, by means of which the light pulses reflected by the object 3 can be received again. This is illustrated by the arrow 9 in the present case.
  • the optoelectronic sensor 5 comprises a computing device 10, which may be formed for example by a microcontroller, a digital signal processor or an FPGA.
  • the computing device 10 the transmitter 6 for
  • Computing device 10 signals the receiver 7, which are generated with the receiver 7 on the basis of the received light pulses.
  • the driver assistance system 2 comprises an electronic control unit 11, with which corresponding control signals can be output as a function of the object 3 detected by the optoelectronic sensor 5.
  • FIG. 2 shows a deflection device 13, which is part of the transmitter 6 of the optoelectronic sensor 5.
  • the deflection device 13 comprises at least one electro-optical
  • Deflection unit 14 In the present embodiment, the
  • Deflection device 13 two electro-optical deflection units 14, which are interconnected and arranged one above the other.
  • Deflection units 14 have an inlet region 18 for coupling in a light beam 16, 16 '.
  • a coating 24 is provided, which may be formed as an antireflection coating.
  • a first light beam 16 is supplied to the upper electro-optical deflection unit 14 and a second light beam 16 'to the lower electro-optical deflection unit 14.
  • These light beams 16, 16 ' can each be provided by a light source or a laser diode.
  • the electro-optical deflection units 14 each comprise a light guide 17 through which the respective light beams 16, 16 'are passed.
  • the electro-optical include
  • Deflecting units 14 each have an element 19 through which an entry angle, under which the light beam 16, 16 'enters the light guide 17, and an exit angle at which the light beam 16, 16' emerges from the light guide 17, can be influenced.
  • the electro-optical deflection units 14 further comprise an electrode 20 by means of which an electric field acting on the element 19 can be influenced. By the electric field, the refractive index of the element 19 can be influenced. Thus, the entrance angle and the angle of failure can be influenced. By adapting the entry angle and / or the exit angle, a deflection angle ⁇ , a ', under which the respective light beam 16, 16' emerges from the electro-optical deflection unit 14, can be influenced.
  • the deflection device 13 comprises an optical element 21.
  • the optical element 21 is connected to the respective exit region 18.
  • the optical element 21 has a first coupling surface 22a, which is connected to the outlet region 18 of the upper electro-optical deflection unit 14, and a second coupling surface 22b, which is connected to the outlet region 18 of the lower electro-optical deflection unit 14.
  • the optical element 21 in each case has a coating 23.
  • This coating 23 can in particular as
  • Antireflection coating be formed.
  • the respective light beams 16, 16 ', which are coupled out of the electro-optical deflection units 14, are coupled into the optical element 21.
  • the light beam 16 of the upper electro-optical deflection unit 14 at a first
  • the optical element 21 may have a corresponding coating. After reflection of the light beam 16 at the reflection surfaces 25a, 25b, the light beam 16 emerges from the optical element 21 at a first outcoupling surface 26a. This results in a transmission angle ⁇ , in which the light beam 16 is deflected.
  • the light beam 16 'of the lower electro-optical deflection unit 14 is refracted inside the optical element 21 and emerges from the optical element 21 at a second outcoupling surface 26 b. Also the light beam 16 'is deflected at a predetermined transmission angle ⁇ '.
  • the light beams 16 and 16 ' can be independently guided or deflected by means of the optical element 21.
  • a coating 27 applied to reduce losses in coupling out the light beams 16, 16 'to reduce.
  • FIG. 3 shows the optical element 21 from FIG. 2 from an upper side.
  • the first coupling surface 22a can be seen, which is rectangular in shape.
  • Einkoppel patterns 22 a can be arranged at the corresponding exit region 18 of the upper electro-optical deflection unit 14.
  • the optical element 21 on the coupling surface 22a can be materially connected to the corresponding outlet region 18.
  • Detecting coupling surface 22 which is also rectangular in shape.
  • This coupling-in surface 22b can also be arranged on the corresponding exit region 18 of the lower electro-optical deflection unit 14 and, in particular, can be connected to it in a materially bonded manner. Furthermore, the first outcoupling surface 26a and the second outcoupling surface 26b can be seen.
  • the decoupling surfaces 26a, 26b are each concave.
  • the decoupling surfaces 26a, 26b have a plurality of segments 28.
  • Each segment 28 is assigned a discrete transmission angle ⁇ , ⁇ ', under which the respective light beams 16, 16' are emitted.
  • the respective segments 28 may be provided, for example, by a microtechnical manufacturing process.
  • the segments 28 may be formed as freeform lenses or as diffractive optics. In the present case, the segments 28 are formed as microstructured prismatic surfaces.

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  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Electromagnetism (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Nonlinear Science (AREA)
  • Optics & Photonics (AREA)
  • Optical Radar Systems And Details Thereof (AREA)

Abstract

L'invention concerne un dispositif déflecteur (13) pour un capteur optoélectronique (5) d'un véhicule à moteur (1), comportant au moins une unité de déflexion électro-optique (14), laquelle est conçue pour dévier des faisceaux lumineux (16, 16') à un angle de déflexion (α, α') prédéterminé, l'au moins une unité de déflexion électro-optique (14) comportant une zone d'entrée (15) pour l'injection des faisceaux lumineux (16, 16') et une zone de sortie (18) pour l'extraction des faisceaux lumineux (16, 16') déviés, le dispositif déflecteur (13) comportant un élément optique (21), qui est situé dans la zone de sortie (18) de l'au moins une unité de déflexion électro-optique (14) et qui est conçu pour guider des faisceaux lumineux (16, 16') déviés respectivement de l'au moins une unité de déflexion électro-optique (14) pour chacun des angles de déflexion (α, α') prédéterminés vers un angle d'émission (β, β') prédéterminé.
PCT/EP2017/081884 2017-02-10 2017-12-07 Dispositif déflecteur pour un capteur optoélectronique d'un véhicule à moteur comprenant un élément optique permettant de guider des faisceaux lumineux, capteur optoélectronique, système d'aide à la conduite ainsi que véhicule à moteur WO2018145793A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102017102634.7 2017-02-10
DE102017102634.7A DE102017102634A1 (de) 2017-02-10 2017-02-10 Ablenkvorrichtung für einen optoelektronischen Sensor eines Kraftfahrzeugs umfassend ein optisches Element zum Führen von Lichtstrahlen, optoelektronischer Sensor, Fahrerassistenzsystem sowie Kraftfahrzeug

Publications (1)

Publication Number Publication Date
WO2018145793A1 true WO2018145793A1 (fr) 2018-08-16

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DE102019111169A1 (de) * 2019-04-30 2020-11-05 HELLA GmbH & Co. KGaA Beleuchtungsvorrichtung für ein Kraftfahrzeug sowie Kraftfahrzeug mit einer derartigen Beleuchtungsvorrichtung

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