EP3447371A1 - Dispositif d'éclairage pour un phare de véhicule automobile - Google Patents

Dispositif d'éclairage pour un phare de véhicule automobile Download PDF

Info

Publication number
EP3447371A1
EP3447371A1 EP18183048.0A EP18183048A EP3447371A1 EP 3447371 A1 EP3447371 A1 EP 3447371A1 EP 18183048 A EP18183048 A EP 18183048A EP 3447371 A1 EP3447371 A1 EP 3447371A1
Authority
EP
European Patent Office
Prior art keywords
light
reflector
lighting device
light source
areas
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
EP18183048.0A
Other languages
German (de)
English (en)
Other versions
EP3447371B1 (fr
Inventor
Gerhard HONAUER
Jürgen ZORN
Tobias Tiefenbacher
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.)
ZKW Group GmbH
Original Assignee
ZKW Group 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 ZKW Group GmbH filed Critical ZKW Group GmbH
Publication of EP3447371A1 publication Critical patent/EP3447371A1/fr
Application granted granted Critical
Publication of EP3447371B1 publication Critical patent/EP3447371B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

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
    • F21S41/30—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by reflectors
    • F21S41/32—Optical layout thereof
    • F21S41/33—Multi-surface reflectors, e.g. reflectors with facets or reflectors with portions of different curvature
    • F21S41/334—Multi-surface reflectors, e.g. reflectors with facets or reflectors with portions of different curvature the reflector consisting of patch like sectors
    • F21S41/336—Multi-surface reflectors, e.g. reflectors with facets or reflectors with portions of different curvature the reflector consisting of patch like sectors with discontinuity at the junction between adjacent areas
    • 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]
    • 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
    • F21S41/255—Lenses with a front view of circular or truncated circular outline
    • 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
    • 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
    • F21S41/33—Multi-surface reflectors, e.g. reflectors with facets or reflectors with portions of different curvature
    • F21S41/337—Multi-surface reflectors, e.g. reflectors with facets or reflectors with portions of different curvature the reflector having a structured surface, e.g. with facets or corrugations
    • 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
    • F21S43/30—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights characterised by reflectors
    • F21S43/31—Optical layout thereof
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V19/00—Fastening of light sources or lamp holders
    • F21V19/001—Fastening of light sources or lamp holders the light sources being semiconductors devices, e.g. LEDs
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V7/00—Reflectors for light sources
    • F21V7/04—Optical design
    • F21V7/048—Optical design with facets structure
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V7/00—Reflectors for light sources
    • F21V7/10—Construction
    • 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
    • F21S41/145—Light emitting diodes [LED] the main emission direction of the LED being parallel to the optical axis of the illuminating device the main emission direction of the LED being opposite to the main emission direction 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]
    • F21S41/147—Light emitting diodes [LED] the main emission direction of the LED being angled to the optical axis of the illuminating device
    • 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]

Definitions

  • the invention relates to a lighting device for a motor vehicle headlight, comprising a reflector having a total reflection surface for reflecting light at least partially in the direction of an optical axis of the reflector, a first and a second light source for irradiating light onto the reflector, wherein the first and the second light source at least in a direction normal to the optical axis of the reflector are spaced from each other, wherein the total reflection surface of the reflector comprises a number of the first light source facing first reflection sub-areas, which set up for imaging the radiated light from the first light source in the form of at least a first light distribution of a first light function are, wherein the total reflection surface of the reflector comprises a number of the second light source facing second reflection sub-areas, which is used to image the incident light from the second light source in the form of a second light distribution of a second light function are set up.
  • the invention relates to a vehicle headlight with a lighting device according to the invention and a motor vehicle with a lighting device according to the invention and / or a vehicle headlight according to the invention.
  • Lighting devices of the type mentioned are known, for example from headlamps, in which two light sources are mounted in front of a reflector assembly, wherein the reflector assembly has different areas that are provided to fulfill different lighting functions.
  • headlamps have become known in which a low-beam source and a high-beam source are mounted in front of a one-piece reflector arrangement, wherein the reflector arrangement for generating two different light distributions, namely a low-beam distribution and a high beam distribution, has two different reflector areas.
  • it is especially important to avoid crosstalk from the low beam to the high beam which can be achieved by appropriate design measures.
  • a spatial and structural separation of individual reflector areas to implement different light distributions leads to restrictions on the size of the lighting device, which also involves limitations in its design.
  • An object of the invention is to provide a lighting device that can be designed largely freely in shape and is suitable for generating at least two mutually different light distributions.
  • the total reflection surface of the reflector is at least partially composed of alternately juxtaposed first and second reflection surfaces, wherein the first and the second light source are arranged in such an area lying in front of the reflector area, that their radiated light is at least partially irradiated against the reflector against the direction of the optical axis of the reflector.
  • the lighting device according to the invention is not subject to any particular restrictions with respect to its size.
  • the arrangement of the light sources in front of the reflector in particular in the case of use for a vehicle headlamp, enables improved cooling of the light sources, since the area in front of the reflector can be closed, for example, with a cover plate, via which heat emitted by the light sources can be released to the surroundings ,
  • optical axis of the reflector is understood to mean an optical axis which is oriented in the main emission direction of the reflector.
  • the first and second light functions do not necessarily have to be different from each other. However, the light distributions that are generated by the respective light source and the associated reflection sub-area, from each other are different. This should mean that, for example, the first light distribution and the second light distribution can each form part of a total light distribution. Thus, it is conceivable, for example, that the first light distribution and the second light distribution together result in a low-beam light distribution - that is, the first light distribution and the second light distribution individually represent partial light distributions.
  • a number of in the context of this disclosure, unless otherwise stated, means a number which is at least two and may be two, three, four or more, in particular six, eight, ten, twelve or more than twelve , The person skilled in the art, in view of this disclosure, is able to choose the number of respective elements according to an application.
  • total reflection area refers to the entire area of the reflector that is set up to reflect light from the light sources.
  • the first light function and the second light function are selected from the group: daytime running light, position light, side marker light, turn signal light, low beam, cornering light, high beam, static cornering or cornering light.
  • Those skilled in the art are aware of these light functions, the associated light distributions being specified in the relevant guidelines and standards.
  • first and the second light function deviate from one another, wherein in principle all permutations or combinations of said functions are conceivable.
  • the following combinations can be implemented particularly advantageous: daytime running light / position light; Daytime running light / side marker light; Daytime running light / direction indicator light or flashing light; Direction indicator light / position light; Turn signal light / side marker light; Dipped beam / cornering light; High beam / cornering light; Dipped beam / static cornering light; static cornering light left / static cornering light right; or also a specific combination of individual segments of a matrix-segmented lighting device, in which the light distribution generated by the lighting device is composed of individual segments, e.g. could be combined as follows: high beam / low beam matrix segment a / high beam / low beam matrix segment.
  • first and / or second reflection sub-areas may have microstructures which are set up to deflect light toward a third light distribution (selected from the light distributions mentioned above).
  • the total reflection surface consists exclusively of juxtaposed first and second reflection sub-surfaces.
  • the total reflection surface has at least one third reflection sub-area, preferably a number of third reflection sub-areas, for generating a further light distribution.
  • the at least one third reflection sub-surface faces the first and / or the second light source.
  • the lighting device has a third light source, and the third reflection sub-surface of the third light source is facing.
  • the lighting device has a light sensor for checking the light function of at least one of the light sources, wherein the light distribution generated by the at least one third reflection sub-area is formed and the light sensor is arranged such that the at least a third Reflected surface irradiation light distribution on the light sensor.
  • This light sensor can be connected to an evaluation unit, for example, which monitors the state of the lighting device and, if it concludes that it has a faulty state, sets appropriate measures, such as an error indication.
  • the light distribution generated by the at least one third reflection sub-area is a light distribution of a light function selected from the following group: daytime running light, position light, side marker light, turn signal light, low beam, cornering light, high beam, static cornering light, cornering light.
  • individual reflection sub-areas in particular the first and second reflection sub-areas, are strip-shaped and arranged next to one another, whereby strips arranged next to one another are connected to one another.
  • the connection of the strips can either directly with each other or via other intermediate strips, such as strips of a third reflection sub-surface done.
  • the first light source radiate at first angles of incidence and the second light source at second angles of incidence onto the respective reflection faces, each reflecting portion having an angle of inclination which does not correspond to the respective angle of incidence assigned light source exceeds, wherein the angle are based on the optical axis of the reflector.
  • the light sources can be arranged, for example, at an angle between 20 ° and 75 ° with respect to the optical axis. The arrangement transverse to the optical axis of the reflector allows a short construction of the lighting device in the direction of the optical axis of the reflector.
  • the lighting device has an imaging optics, which is downstream of the reflector for imaging at least a portion of the reflected light from the reflector.
  • the imaging optics can be designed as a projection lens or, for example, as a cushion optic.
  • the imaging optics has microstructures for selectively influencing the light distribution emitted by the imaging optics.
  • microstructures is understood to mean protrusions or depressions on the surface of the respective optical component whose dimensions are at most a few tenths of a millimeter and which are suitable for influencing the light image emitted by the respective optical element.
  • the microstructures can be set up to deflect light in a specific direction in a targeted manner. Alternatively, they may also be configured to generate a diffuse radiation.
  • the reflector is designed as a separate optical component.
  • the reflector is integrally formed with a light-conducting body, which comprises the imaging optics, in that the reflector is formed on a light-reflecting end portion of the light-conducting body.
  • individual reflection sub-areas in particular the first and second reflection sub-areas, are formed as juxtaposed strip-shaped areas on the surface of the end portion, wherein the first and the second reflection sub-areas are inclined to each other.
  • the inclination of the reflection sub-areas with respect to the incident light may already be sufficient to allow total reflection.
  • the strip-shaped surfaces are coated with a light-reflecting layer.
  • the respective reflection sub-areas may be inclined in such a way that only certain reflection sub-areas are "visible" or can be illuminated for the respective light source.
  • the first reflection sub-areas may be arranged such that the second reflection sub-areas are in the shadow of the first reflection sub-areas, as viewed from the first light source.
  • the first reflection sub-areas may also be in the shadow of the first reflection sub-areas as viewed from the second light source.
  • individual reflection sub-areas in particular the first and second reflection sub-areas, have microstructures for selectively influencing the light distribution emitted by the reflection sub-areas.
  • At least one collimator element for bundling the light to be arranged in the direction of the reflector, at least between the reflector and the first and the second light source.
  • the collimator element is set up to direct light emitted by the light source in parallel in the direction of the reflector, in particular in the direction of the respective reflection sub-area.
  • At least one of the light sources preferably all light sources, comprises at least one LED.
  • any other light sources such as laser light sources, halogen light sources, xenon light sources, etc. may be provided.
  • a vehicle headlight in particular a motor vehicle headlight, comprising a lighting device according to the invention and a cover, wherein the lighting device is arranged such that the back of the light sources facing the cover.
  • the light sources can be cooled particularly effectively, whereby their performance and / or their life can be increased.
  • the waste heat of the light source for defrosting or defrosting the cover can be used.
  • Another aspect of the invention relates to a vehicle with a lighting device according to the invention and / or a vehicle headlight according to the invention.
  • FIG. 1 shows a schematic representation of a first embodiment of a lighting device according to the invention 1.
  • the lighting device 1 comprises a reflector 2 with a total reflection surface 2a for reflecting light, wherein the reflection is at least partially in the direction of an optical axis x of the reflector 2, which in the present example with a Axis x of a Cartesian coordinate system oriented to the right coincides with the other axes y and z.
  • the lighting device comprises a first light source 3 'and a second light source 3 "for irradiating light onto the reflector 2, wherein the first and the second light source at least in a direction normal to the optical axis x of the reflector 2 - in the present case in the direction the axes y and / or z - are spaced apart.
  • the total reflection surface 2a of the reflector 2 has a number of first reflection sub-areas 2a 'facing the first light source 3', which are arranged to image the light irradiated by the first light source 3 'in the form of at least one first light distribution of a first light function.
  • the total reflection surface 2a of the reflector 2 additionally has a number of second reflection sub-areas 2a "facing the second light source 3", which are configured to image the light irradiated by the second light source 3 "in the form of a second light distribution of a second light function, the first light distribution deviates from the second light distribution FIG.
  • the total reflection surface 2a of the reflector 2 is at least partially composed of alternately juxtaposed first and second reflection sub-areas 2a 'and 2a ", wherein the first and the second light source 3' and 3" are arranged in such an area lying in front of the reflector 2, that their emitted light is at least partially irradiated against the positive direction (which in case of using the lighting device in a vehicle headlamp coincides with the forward running direction of the vehicle) of the optical axis x of the reflector 2 on the reflector 2.
  • the arrangement of the light sources 3 'and 3 "and the reflection sub-areas 2a' and 2a" are configured so that, for example, one of the following light functions can be implemented: daytime running light, position light, side marker light, flashing light, low beam, cornering light, high beam, static cornering light, etc
  • the total reflection surface 2a is composed exclusively of juxtaposed stripe-shaped first and second reflection surfaces 2a 'and 2a ", adjoining and being connected to adjacent reflection surfaces.
  • an imaging optics 4 is shown, which is designed in the present example as a projection lens and the reflector 2 for imaging the reflected light from the reflector 2 is downstream, as indicated by exemplary light beams LS.
  • the reflector 2 is in the embodiment according to FIG. 1 formed as a separate optical component.
  • FIG. 1a shows a section of a first reflection part surface 2a 'in a detailed view. It can be seen here that the reflection sub-area 2a 'has microstructures 5 for purposefully influencing the light distribution emitted by the reflection sub-area 2a'. Equally or alternatively, such microstructures 5 may be arranged on other reflection sub-areas or on the imaging optics 4.
  • FIG. 2 shows a schematic representation of a development of the first embodiment according to FIG. 1 , In it is shown by means of individual light beams, as the first and / or second light source 3 'and 3 "single light rays radiate over the reflector 2 towards a light sensor 8.
  • FIG. 3 shows a second embodiment of a lighting device 1 according to the invention, in which the reflector 2 is formed integrally with a light-conducting body 6, which comprises the imaging optics 4 by the reflector 2 is formed on a light-reflecting end portion 6a of the light-conducting body 6.
  • the first and second reflection portions 2a 'and 2a are formed as juxtaposed strip-shaped surfaces on the surface of the end portion 6a, respectively, with the first and second reflection portions 2a' and 2a" inclined to each other.
  • the reflecting surfaces can also be coated with a light-reflecting layer, which can be applied, for example, by vapor deposition.
  • the imaging optics 4 can also have microstructures 5 for the targeted influencing of the light distribution emitted by the imaging optics 4, which in FIG FIG. 3a as a detail of FIG. 3 are shown.
  • the design of the reflective sub-surfaces in the form of juxtaposed strips is only an exemplary variant of their design. Likewise, other variants such as a step-like structure are conceivable.
  • Collimator elements 7, which are arranged between the reflector 2 and the first and the second light source 3 'or 3 "for focusing the light in the direction of the reflector 2.
  • the collimator elements 7 can be designed as separate components can also be made in one piece with the light-conducting body 6. By using the collimator elements 7, it can be ensured that the light emitted by the light sources is incident on the reflector 2 or reflection surfaces at a predeterminable angle, thus ensuring, for example, that all of the Light sources on the reflector 2 incident light is totally reflected on the inclined surfaces.
  • the imaging optics 4 can be designed, for example, as a lens but also as a so-called “cushion optic", which consists of a multiplicity of pillow-shaped structures arranged next to one another.
  • the lighting device 1 With the lighting device 1 according to the embodiments shown different light functions can be realized in a simple manner using a single reflector.
  • the first light source for example, a low-beam function and the second light source take over the cornering function.
  • the following combinations are cited, wherein combination pairs are associated with a slash "/" and different pairs are separated by a semicolon " ; ": daytime running light / position light; Daytime running light / side marker light; Daytime running light / flashing light; Flashing light / position light; Flashing light / side marker light; Dipped beam / cornering light; High beam / cornering light; Dipped beam / static cornering light; static cornering light left / static cornering light right; High / Low Beam Matrix Segment a / High / Low Beam Matrix Segment b.
  • FIG. 4 shows a sectional view of a vehicle headlamp according to the invention with a lighting device according to the invention 1.
  • the light sources 3 'and 3 are arranged in the vicinity of a cover 9 in the front region of the vehicle headlamp thereby lead the light sources (eg laser or LED light sources) power loss mainly against the cover 9 from, whereby the heat can be directed firstly effectively outward and secondly can be used to counteract fogging or icing of the cover and other cooling measures such as fans can be omitted.
  • the light sources eg laser or LED light sources
  • FIG. 5 shows a detailed representation of a beam path of a reflector 2 of the lighting device according to the invention 1.
  • each reflection sub-area 2a ' is at a different angle ⁇ '(each reflection sub-area 2a' is thus different Incident angle ⁇ 'and inclination angle ⁇ ' associated - for better clarity, the angle only to a single reflection part surface 2a 'provided with reference numerals) with respect to the first light source 3' occupies.
  • Each reflection sub-area 2a ' is inclined in such a way that it can not be irradiated by the second light source 3 ", for example, the first reflection sub-area 2a' which is in Fig.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Optics & Photonics (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
EP18183048.0A 2017-08-18 2018-07-12 Dispositif d'éclairage pour un phare de véhicule automobile Active EP3447371B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ATA50689/2017A AT520345B1 (de) 2017-08-18 2017-08-18 Leuchtvorrichtung für einen Kraftfahrzeugscheinwerfer

Publications (2)

Publication Number Publication Date
EP3447371A1 true EP3447371A1 (fr) 2019-02-27
EP3447371B1 EP3447371B1 (fr) 2022-11-16

Family

ID=62951866

Family Applications (1)

Application Number Title Priority Date Filing Date
EP18183048.0A Active EP3447371B1 (fr) 2017-08-18 2018-07-12 Dispositif d'éclairage pour un phare de véhicule automobile

Country Status (3)

Country Link
EP (1) EP3447371B1 (fr)
CN (1) CN109578929B (fr)
AT (1) AT520345B1 (fr)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2021151766A1 (fr) 2020-01-30 2021-08-05 HELLA GmbH & Co. KGaA Dispositif d'éclairage pour véhicules
EP3798507A4 (fr) * 2018-05-22 2022-03-23 Ichikoh Industries, Ltd. Lampe de véhicule
WO2023020681A1 (fr) * 2021-08-16 2023-02-23 Lotus Tech Innovation Centre Gmbh Dispositif d'éclairage de virage pour un module de projection de véhicule et système d'éclairage de véhicule comprenant au moins un tel dispositif d'éclairage de virage
EP4321795A1 (fr) * 2022-08-12 2024-02-14 Coplus Inc. Module d'éclairage à sources lumineuses multiples et phare doté de celui-ci

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102019123936A1 (de) * 2019-09-06 2021-03-11 Automotive Lighting Reutlingen Gmbh Beleuchtungseinrichtung und Projektionsmodul für eine solche Beleuchtungseinrichtung

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0942225A2 (fr) * 1998-03-13 1999-09-15 Stanley Electric Co., Ltd. Unité de signalisation pour véhicule
EP0974485A2 (fr) * 1998-07-24 2000-01-26 Stanley Electric Co., Ltd. Feu de signalisation pour véhicule
DE10247980A1 (de) * 2002-10-15 2004-04-29 Automotive Lighting Reutlingen Gmbh Leuchte für Fahrzeuge, insbesondere für Kraftfahrzeuge
EP2431657A2 (fr) * 2010-09-17 2012-03-21 Automotive Lighting Reutlingen GmbH Module de réflecteur d'un phare de véhicule automobile
DE102010056312A1 (de) * 2010-12-27 2012-06-28 Automotive Lighting Reutlingen Gmbh Kraftfahrzeugleuchte
US20120201040A1 (en) * 2011-02-09 2012-08-09 Koito Manufacturing Co., Ltd. Automotive headlamp forming multiple light distribution patterns with a single lamp
DE102013202957A1 (de) * 2013-02-22 2014-08-28 Automotive Lighting Reutlingen Gmbh Beleuchtungseinrichtung für ein Kraftfahrzeug mit einem zwei Lichtfunktionen unterstützenden Reflektor

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4929866A (en) * 1987-11-17 1990-05-29 Mitsubishi Cable Industries, Ltd. Light emitting diode lamp
FR2944578B1 (fr) * 2009-04-21 2013-08-02 Valeo Vision Sas Module et dispositif d'eclairage pour vehicule avec fonction route amelioree
JP6106502B2 (ja) * 2013-04-15 2017-04-05 株式会社小糸製作所 車輌用灯具
JP2015174551A (ja) * 2014-03-14 2015-10-05 トヨタ自動車株式会社 車両用ヘッドライトシステム

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0942225A2 (fr) * 1998-03-13 1999-09-15 Stanley Electric Co., Ltd. Unité de signalisation pour véhicule
EP0974485A2 (fr) * 1998-07-24 2000-01-26 Stanley Electric Co., Ltd. Feu de signalisation pour véhicule
DE10247980A1 (de) * 2002-10-15 2004-04-29 Automotive Lighting Reutlingen Gmbh Leuchte für Fahrzeuge, insbesondere für Kraftfahrzeuge
EP2431657A2 (fr) * 2010-09-17 2012-03-21 Automotive Lighting Reutlingen GmbH Module de réflecteur d'un phare de véhicule automobile
DE102010056312A1 (de) * 2010-12-27 2012-06-28 Automotive Lighting Reutlingen Gmbh Kraftfahrzeugleuchte
US20120201040A1 (en) * 2011-02-09 2012-08-09 Koito Manufacturing Co., Ltd. Automotive headlamp forming multiple light distribution patterns with a single lamp
DE102013202957A1 (de) * 2013-02-22 2014-08-28 Automotive Lighting Reutlingen Gmbh Beleuchtungseinrichtung für ein Kraftfahrzeug mit einem zwei Lichtfunktionen unterstützenden Reflektor

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3798507A4 (fr) * 2018-05-22 2022-03-23 Ichikoh Industries, Ltd. Lampe de véhicule
WO2021151766A1 (fr) 2020-01-30 2021-08-05 HELLA GmbH & Co. KGaA Dispositif d'éclairage pour véhicules
DE102020102291A1 (de) 2020-01-30 2021-08-05 HELLA GmbH & Co. KGaA Beleuchtungsvorrichtung für Fahrzeuge
US11732856B2 (en) 2020-01-30 2023-08-22 HELLA GmbH & Co. KGaA Lighting device for vehicles having two light sources and a free form light directing member for emitting two light distributions
WO2023020681A1 (fr) * 2021-08-16 2023-02-23 Lotus Tech Innovation Centre Gmbh Dispositif d'éclairage de virage pour un module de projection de véhicule et système d'éclairage de véhicule comprenant au moins un tel dispositif d'éclairage de virage
EP4321795A1 (fr) * 2022-08-12 2024-02-14 Coplus Inc. Module d'éclairage à sources lumineuses multiples et phare doté de celui-ci

Also Published As

Publication number Publication date
CN109578929A (zh) 2019-04-05
AT520345A1 (de) 2019-03-15
EP3447371B1 (fr) 2022-11-16
CN109578929B (zh) 2021-08-03
AT520345B1 (de) 2019-06-15

Similar Documents

Publication Publication Date Title
AT520345B1 (de) Leuchtvorrichtung für einen Kraftfahrzeugscheinwerfer
DE102020213531B4 (de) Leuchte für ein Fahrzeug, die eine Eintrittslinseneinheit, eine Austrittslinseneinheit und eine zwischen diesen angeordnete Abschirmeinheit aufweist
DE10243373B4 (de) LED-Fahrzeugleuchte mit gleichmäßiger Helligkeit
DE102006033920B4 (de) Fahrzeugleuchte
DE102014215759B4 (de) Fahrzeugleuchte mit einer fernlicht-reflektoreinheit und einer abblendlicht-reflektoreinheit, die beide aus reflektoren bestehen, die licht von geneigt angeordneten lichtquellen reflektieren
EP2823219B1 (fr) Dispositif d'éclairage pour un véhicule automobile
DE112011100191B4 (de) Fahrzeugscheinwerfer
EP2339228B1 (fr) Module d'éclairage pour un dispositif d'éclairage et dispositif d'éclairage d'un véhicule automobile doté d'un tel module d'éclairage
WO2014114307A1 (fr) Lentille de projecteur pour phare de véhicule
AT514161B1 (de) Leuchteinheit mit Blende mit zumindest einem Lichtfenster
EP2799761A2 (fr) Module d'éclairage de phare de véhicule automobile
DE102014116862A1 (de) Scheinwerfersystem für Kraftfahrzeuge
DE10311072A1 (de) Fahrzeugleuchte mit LED-Lichtquellen
EP2828571A1 (fr) Module de projection pour véhicule automobile
EP2384934A1 (fr) Lampe de véhicule automobile avec plusieurs fonctions d'éclairage
DE102015218460A1 (de) Fahrzeuglampe
EP2401544B1 (fr) Projecteur pour véhicule
EP2795183B1 (fr) Élément optique pour projecteur laser de véhicule
EP1085253A2 (fr) Lampe, notamment pour véhicules automobiles
DE102006029412B4 (de) Kraftfahrzeugleuchte
DE102014111445A1 (de) Scheinwerfer für Fahrzeuge
DE102017206274A1 (de) Verfahren zur Erzeugung einer Gesamtlichtverteilung eines Kraftfahrzeugs sowie Fernlichtmodul, Scheinwerfer und Kraftfahrzeug zur Durchführung des Verfahrens
DE102020200413B4 (de) Beleuchtungsvorrichtung für ein Kraftfahrzeug
EP0964239A2 (fr) Procédé et dispositif de simulation d'accidents de véhicule
DE102014102871B4 (de) Beleuchtungsvorrichtung für Fahrzeuge

Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE APPLICATION HAS BEEN PUBLISHED

AK Designated contracting states

Kind code of ref document: A1

Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

AX Request for extension of the european patent

Extension state: BA ME

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: REQUEST FOR EXAMINATION WAS MADE

17P Request for examination filed

Effective date: 20190821

RBV Designated contracting states (corrected)

Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

RIC1 Information provided on ipc code assigned before grant

Ipc: F21Y 115/10 20160101ALN20220517BHEP

Ipc: F21V 7/04 20060101ALI20220517BHEP

Ipc: F21S 43/31 20180101ALI20220517BHEP

Ipc: F21S 41/255 20180101ALI20220517BHEP

Ipc: F21S 41/663 20180101ALI20220517BHEP

Ipc: F21S 41/33 20180101AFI20220517BHEP

RIC1 Information provided on ipc code assigned before grant

Ipc: F21Y 115/10 20160101ALN20220713BHEP

Ipc: F21V 7/04 20060101ALI20220713BHEP

Ipc: F21S 43/31 20180101ALI20220713BHEP

Ipc: F21S 41/255 20180101ALI20220713BHEP

Ipc: F21S 41/663 20180101ALI20220713BHEP

Ipc: F21S 41/33 20180101AFI20220713BHEP

RIC1 Information provided on ipc code assigned before grant

Ipc: F21Y 115/10 20160101ALN20220729BHEP

Ipc: F21V 7/04 20060101ALI20220729BHEP

Ipc: F21S 43/31 20180101ALI20220729BHEP

Ipc: F21S 41/255 20180101ALI20220729BHEP

Ipc: F21S 41/663 20180101ALI20220729BHEP

Ipc: F21S 41/33 20180101AFI20220729BHEP

GRAP Despatch of communication of intention to grant a patent

Free format text: ORIGINAL CODE: EPIDOSNIGR1

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: GRANT OF PATENT IS INTENDED

GRAS Grant fee paid

Free format text: ORIGINAL CODE: EPIDOSNIGR3

INTG Intention to grant announced

Effective date: 20220913

GRAA (expected) grant

Free format text: ORIGINAL CODE: 0009210

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE PATENT HAS BEEN GRANTED

AK Designated contracting states

Kind code of ref document: B1

Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

REG Reference to a national code

Ref country code: GB

Ref legal event code: FG4D

Free format text: NOT ENGLISH

REG Reference to a national code

Ref country code: CH

Ref legal event code: EP

REG Reference to a national code

Ref country code: DE

Ref legal event code: R096

Ref document number: 502018011040

Country of ref document: DE

REG Reference to a national code

Ref country code: IE

Ref legal event code: FG4D

Free format text: LANGUAGE OF EP DOCUMENT: GERMAN

REG Reference to a national code

Ref country code: AT

Ref legal event code: REF

Ref document number: 1531969

Country of ref document: AT

Kind code of ref document: T

Effective date: 20221215

REG Reference to a national code

Ref country code: LT

Ref legal event code: MG9D

REG Reference to a national code

Ref country code: NL

Ref legal event code: MP

Effective date: 20221116

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: SE

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20221116

Ref country code: PT

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20230316

Ref country code: NO

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20230216

Ref country code: LT

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20221116

Ref country code: FI

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20221116

Ref country code: ES

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20221116

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: RS

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20221116

Ref country code: PL

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20221116

Ref country code: LV

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20221116

Ref country code: IS

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20230316

Ref country code: HR

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20221116

Ref country code: GR

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20230217

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: NL

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20221116

P01 Opt-out of the competence of the unified patent court (upc) registered

Effective date: 20230528

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: SM

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20221116

Ref country code: RO

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20221116

Ref country code: EE

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20221116

Ref country code: DK

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20221116

Ref country code: CZ

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20221116

REG Reference to a national code

Ref country code: DE

Ref legal event code: R097

Ref document number: 502018011040

Country of ref document: DE

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: SK

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20221116

Ref country code: AL

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20221116

PLBE No opposition filed within time limit

Free format text: ORIGINAL CODE: 0009261

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: NO OPPOSITION FILED WITHIN TIME LIMIT

26N No opposition filed

Effective date: 20230817

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: SI

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20221116

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: FR

Payment date: 20230726

Year of fee payment: 6

Ref country code: DE

Payment date: 20230719

Year of fee payment: 6

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: MC

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20221116

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: MC

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20221116

REG Reference to a national code

Ref country code: CH

Ref legal event code: PL

REG Reference to a national code

Ref country code: BE

Ref legal event code: MM

Effective date: 20230731

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: LU

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20230712

GBPC Gb: european patent ceased through non-payment of renewal fee

Effective date: 20230712

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: LU

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20230712

REG Reference to a national code

Ref country code: IE

Ref legal event code: MM4A

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: CH

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20230731

Ref country code: GB

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20230712

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: IT

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20221116

Ref country code: BE

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20230731