EP3112742A1 - Dispositif d'eclairage de vehicule automobile comprenant des elements luminescents - Google Patents

Dispositif d'eclairage de vehicule automobile comprenant des elements luminescents Download PDF

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Publication number
EP3112742A1
EP3112742A1 EP16172402.6A EP16172402A EP3112742A1 EP 3112742 A1 EP3112742 A1 EP 3112742A1 EP 16172402 A EP16172402 A EP 16172402A EP 3112742 A1 EP3112742 A1 EP 3112742A1
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EP
European Patent Office
Prior art keywords
light
lighting device
pigments
luminescent material
reflector
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
EP16172402.6A
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German (de)
English (en)
Other versions
EP3112742B1 (fr
Inventor
Friedrich Bauer
Gerhard HONAUER
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
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ZKW Group GmbH
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Publication date
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Publication of EP3112742A1 publication Critical patent/EP3112742A1/fr
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    • 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
    • F21V9/00—Elements for modifying spectral properties, polarisation or intensity of the light emitted, e.g. filters
    • F21V9/30—Elements containing photoluminescent material distinct from or spaced from the light source
    • 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
    • F21S41/37—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by reflectors characterised by their material, surface treatment or coatings
    • 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
    • F21S41/285—Refractors, transparent cover plates, light guides or filters not provided in groups F21S41/24 - F21S41/2805
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S41/00—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps
    • F21S41/30—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by reflectors
    • F21S41/32—Optical layout thereof
    • F21S41/322—Optical layout thereof the reflector using total internal reflection
    • 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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S43/00—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights
    • F21S43/10—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights characterised by the light source
    • F21S43/13—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights characterised by the light source characterised by the type of light source
    • F21S43/14—Light emitting diodes [LED]
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S43/00—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights
    • F21S43/10—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights characterised by the light source
    • F21S43/13—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights characterised by the light source characterised by the type of light source
    • F21S43/16—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
    • F21S43/00—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights
    • F21S43/20—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights characterised by refractors, transparent cover plates, light guides or filters
    • F21S43/235—Light guides
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S43/00—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights
    • F21S43/20—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights characterised by refractors, transparent cover plates, light guides or filters
    • F21S43/235—Light guides
    • F21S43/242—Light guides characterised by the emission area
    • F21S43/245—Light guides characterised by the emission area emitting light from one or more of its major surfaces
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S43/00—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights
    • F21S43/20—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights characterised by refractors, transparent cover plates, light guides or filters
    • F21S43/235—Light guides
    • F21S43/249—Light guides with two or more light sources being coupled into the light guide
    • 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
    • F21S43/315—Optical layout thereof using total internal reflection
    • 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
    • F21S43/33—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights characterised by reflectors characterised by their material, surface treatment or coatings
    • 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
    • F21S43/40—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights characterised by the combination of reflectors and refractors
    • 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
    • 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
    • F21V5/00—Refractors for light sources
    • F21V5/04—Refractors for light sources of lens shape
    • 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
    • F21V7/22—Reflectors for light sources characterised by materials, surface treatments or coatings, e.g. dichroic reflectors
    • 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
    • F21S41/12—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by the light source characterised by the type of emitted light
    • F21S41/13—Ultraviolet light; Infrared light
    • 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
    • F21S41/10—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
    • 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
    • F21V2200/00—Use of light guides, e.g. fibre optic devices, in lighting devices or systems
    • F21V2200/30—Use of light guides, e.g. fibre optic devices, in lighting devices or systems of light guides doped with fluorescent agents
    • 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

Definitions

  • the afterglow effect on luminescent substances decreases over time, in a specific example it may be expedient to keep the afterglow effect for longer than naturally provided and controlled in time by active illumination by the additional light source with non-visible light.
  • the invention can also be used at startup for special lighting effects. For example, when opening the motor vehicle by means of a remote control, first the light source for the non-visible light is activated, which excites the luminescent layer of the illumination device for emission of luminescence and thus leads to a glow; a little later, the lighting device (e.g., daytime running light, tailing light) is then dimmed with the actual light function (e.g., glow stick, reflector).
  • the lighting device e.g., daytime running light, tailing light
  • the reflector preferably has light-homogenizing structures on its light-reflecting surface, preferably groove-like structures around which Inhomogeneity of the light guide or the LED to conceal.
  • an optically active component is connected downstream of the optical waveguide / LED in the optical beam direction as described above.
  • the illumination shaping unit is designed as a collimator optics, wherein the additional optical unit has a collimator, the collimator (primary optics) at least partially comprising pigments of at least one luminescent material.
  • the optically active component is expediently an imaging lens (secondary optics) in this embodiment.
  • the imaging lens can be provided in a manner known per se with additional means which enhance the homogenization of the light exit, for example with microstructures.
  • the applied or embedded pigments of the at least one luminescent material advantageously have a signaling effect.
  • the light emitted by the illumination device according to the invention forms the light distribution of a signal light, in particular a daytime running light or a boundary light or a direction indicator, or a low beam and / or high beam, wherein the light distribution of the respective lights as mentioned above subject to legal requirements, which are known in the art ,
  • the illumination device according to the invention is a signal light, it can for example be designed or arranged such that it follows the lens aperture of a light module or certain design lines.
  • the motor vehicle headlight may for example have the shape of a headlight.
  • the construction of a headlight is known to the person skilled in the art. Headlamps often include multiple light modules, e.g. a daytime running light unit, a low beam unit, a high beam unit, a turn signal unit, etc. Accordingly, the respective light modules of the headlamp can form the light distribution of a daytime running light, a low beam, a high beam, a turn signal, etc.
  • An inventive headlight therefore also comprises at least one illumination device according to the invention, in addition to the light modules known per se.
  • the motor vehicle headlight may be a taillight in another example. The construction of a tail light is known to the skilled person. Tail lights often include multiple light modules, e.g.
  • a rear light according to the invention therefore comprises, in addition to the light modules known per se, at least one illumination device according to the invention.
  • Fig. 1 shows a section through a lighting device according to the invention, here a signal light 1 for a motor vehicle.
  • the signal light 1 comprises a substantially rod-shaped light guide 20 and a reflector 10 arranged behind the light guide 20.
  • the light-reflecting surface of the reflector 10 is covered with a luminescent layer 12.
  • the luminescent layer 12 is composed of pigments of a luminescent material (or else several luminescent materials). In the example shown are pigments of a phosphorescent material. However, the layer 12 can also be composed of fluorescent pigments or of a mixture of several different luminescent (fluorescent and / or phosphorescent) materials / pigments.
  • the signal light 1 also has a downstream of the light guide 20 in the optical beam direction
  • the intermediate lens 30 is designed according to known principles and acts light-shaping, ensures the spatial visibility of signal light functions, homogenizes the luminance and prevents direct insight from the outside to the underlying components (light guide 20, reflector 10).
  • the intermediate lens 30 may be clear or "milky”.
  • the light exit from the light guide 20 is achieved by a plurality of deflection prisms 21, which are arranged opposite the light exit surface on the lateral surface of the light guide 20 and follow the longitudinal axis direction (see also Fig. 3 ).
  • the reflector 10 directs the light, which emerges from the back of the light guide 20, by means of its light-reflecting surface beneficial forward.
  • the light emission cone 25 directed outwards in the beam direction from the light guide 20 and the light emission cone 24 from the light guide 20 toward the rear in the direction of the reflector 10 are in Fig. 1 shown schematically.
  • the light 24 from the light guide 20 represented by the light emission cone 24 excites the luminescent pigment layer 12 to emit luminescent light 15 (shown schematically by arrows 15).
  • the signal light 1 is arranged in a motor vehicle headlight, which is constructed according to known headlight construction principles and comprises a housing with a light exit opening, which is covered with a lens cover. In Fig. 1 only the lens 50 is shown schematically.
  • the motor vehicle headlight has, in addition to the signal light after per se known type still one or more light modules.
  • Fig. 2 shows a section through a further lighting device according to the invention, here a signal light 2.
  • the structure of the signal light 2 corresponds to the structure of the signal light Fig. 1 , with the only difference that instead of an intermediate lens 30, it has a thick-wall optical system 40 arranged downstream in the optical beam direction.
  • the light 25 emitted by the light guide 20 is shaped and homogenized by the thick-wall optical system 40.
  • the thick-walled optical system 40 is also designed according to known principles and acts light-shaping, ensures the spatial visibility of signal light functions, homogenizes the luminance and prevents direct insight from the outside to the underlying components (light guide 20, reflector 10). With respect to all other components of the signal light 2 (ie light guide 20, reflector 10, luminescent layer 12, etc.) is based on the above description of the signal light 1 (FIG. Fig. 1 ).
  • Fig. 3 is the luminous impression of the signal light 1 off Fig. 1 shown in front view and without intermediate lens 30.
  • the color emission of the light source 22 is matched to the corresponding signal light function.
  • the light source 22 is designed as a laser diode, then in order to make the laser light usable for a motor vehicle illumination device, the laser light irradiates a luminous element, a so-called phosphor converter, which is thereby excited to emit visible light;
  • the phosphor converter is tuned to the desired color of the signal light function.
  • various materials are known or in use. InGaN LEDs are available in blue, yellow, red or UV, for example.
  • the light exit from the light guide 20 is achieved by a plurality of deflecting prisms 21 ', which are arranged opposite the light exit surface on the lateral surface of the light guide 20 and follow the longitudinal axis direction (dashes 21' symbolize the translucent, ie visible from the front, edges of the Umlenkprisms 21st ).
  • the light 24 emerging from the light guide 20 and striking the back of the reflector 10 as described above impinges on the luminescent layer 12 of phosphorescent pigments, whereby the pigments are excited to emit luminescence 15 (phosphorescence).
  • the reflector 10 also has light-homogenizing groove-shaped structures 13 on its light-reflecting surface, which conceal the inhomogeneity of the light guide 20.
  • FIG. 2 shows an alternative embodiment of the invention in which the luminescent pigments 11 are not applied to the reflector as a luminescent layer, as shown in the other figures, but embedded in the light guide 20, which has a plurality of deflection prisms 21 as described.
  • the light guide 20 is already doped during production with the luminescent pigments 11;
  • the light guide 20 may be made of a pigment-doped photoconductive plastic material such as PMMA or polycarbonate.
  • the light guide 20 is, as in Fig. 2 shown, a thick-wall optical system 40 downstream in the optical beam direction of the light emerging from the signal light. At or in the immediate vicinity of an end face of the light guide 20 are Light sources 22 and 23 arranged.
  • the light source 22 as primary light source is, for example, a 450 nm laser diode or indium gallium nitride (InGaN) LEDs whose color emission is matched to the corresponding signal light function.
  • the light sources 23 may be, for example, UV LEDs or 405 nm laser diodes (visible light in the blue wavelength range).
  • UV LEDs or 405 nm laser diodes (visible light in the blue wavelength range).
  • Phosphor converter irradiated, thereby characterized for the emission of visible Light is excited;
  • the phosphor converter is tuned to the desired color of the signal function.
  • various materials are known or in use.
  • InGaN LEDs are available in blue, yellow, red or UV, for example.
  • the additional light sources with non-visible UV light, for example, the Nachglimm bin can be maintained longer than natural and time controlled become.
  • this variant can also be used for special lighting effects.
  • a first material can be excited by the light source 22, which emits light in the visible wavelength range, and another material by the light sources 23, which can emit light in the non-visible wavelength range (eg UV), for the emission of luminescence (fluorescence, phosphorescence) become.
  • the light source 22 which emits light in the visible wavelength range
  • the light sources 23 which can emit light in the non-visible wavelength range (eg UV), for the emission of luminescence (fluorescence, phosphorescence) become.
  • Fig. 5a shows a cut through Fig. 3 along the line AA with a detail view with regard to the excitation of the luminescent layer 12, which is arranged on the reflector 10, by the light emitted from the light guide 20 to the rear towards the reflector 10 light 24 (see also description to Fig. 1 and Fig. 3 ).
  • the emitted Luminescence 15 is directed by means of the reflector 10 in the beam direction of the emerging from the signal light 1 light 25.
  • Fig. 5b shows a cut through Fig. 3 along the line AA with a detailed view with regard to the luminescence 15, which is emitted by the luminescent layer 12 after deactivating the actual signal light function caused by the light guide 20.
  • the luminescent layer 12 is composed of pigments of a phosphorescent material.
  • Fig. 5b therefore illustrates the "afterglow" visible to an outside observer due to the phosphorescence 15 emitted by the layer 12.
  • the imaging lens 65 prevents the direct view from outside on the area behind it and homogenizes the luminance or the light emission.
  • the imaging lens according to known manner with additional means which homogenize the light emission further strengthen, be provided, for example, with microstructures.
  • the light distribution of the illumination device 3 is marked with the reference character 66 '.
  • a lens system (not shown) may also be used as the secondary optics, which system satisfies the function homogenizing the light emission.
  • the excitation of the luminescent layer 12 for emission of luminescence 15 is effected by the light emitted by the light source 22a and deflected at the deflecting edge regions 62.
  • the emitted luminescence 15 passes through the collimator 60 and the imaging lens 65 to the outside.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Optics & Photonics (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
  • Lighting Device Outwards From Vehicle And Optical Signal (AREA)
EP16172402.6A 2015-06-22 2016-06-01 Dispositif d'eclairage de vehicule automobile comprenant des elements luminescents Active EP3112742B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ATA50520/2015A AT517394B1 (de) 2015-06-22 2015-06-22 Beleuchtungseinrichtung für ein Kraftfahrzeug mit lumineszierenden Elementen

Publications (2)

Publication Number Publication Date
EP3112742A1 true EP3112742A1 (fr) 2017-01-04
EP3112742B1 EP3112742B1 (fr) 2021-08-04

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EP16172402.6A Active EP3112742B1 (fr) 2015-06-22 2016-06-01 Dispositif d'eclairage de vehicule automobile comprenant des elements luminescents

Country Status (3)

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EP (1) EP3112742B1 (fr)
CN (1) CN106439679B (fr)
AT (1) AT517394B1 (fr)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102018102803A1 (de) 2018-02-08 2019-08-08 HELLA GmbH & Co. KGaA Beleuchtungsvorrichtung für Fahrzeuge
DE102018102799A1 (de) 2018-02-08 2019-08-08 HELLA GmbH & Co. KGaA Beleuchtungsvorrichtung für Fahrzeuge
WO2019193522A1 (fr) * 2018-04-06 2019-10-10 Hella Saturnus Slovenija d.o.o. Structure luminescente de lampe
WO2020200753A1 (fr) 2019-04-05 2020-10-08 HELLA GmbH & Co. KGaA Dispositif d'éclairage pour véhicules
US11885471B1 (en) 2022-10-27 2024-01-30 Hyundai Mobis Co., Ltd. Lamp for vehicle

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP7002275B2 (ja) * 2017-10-03 2022-02-21 株式会社小糸製作所 車両用灯具
CN109282237B (zh) * 2018-09-25 2024-03-22 华域视觉科技(上海)有限公司 一种灯具及其点亮控制方法
KR20220034840A (ko) * 2019-09-04 2022-03-18 제트카베 그룹 게엠베하 자동차 헤드램프
DE102020112898A1 (de) * 2020-05-13 2021-11-18 Bayerische Motoren Werke Aktiengesellschaft Beleuchtungsvorrichtung für ein Kraftfahrzeug

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DE102018102803A1 (de) 2018-02-08 2019-08-08 HELLA GmbH & Co. KGaA Beleuchtungsvorrichtung für Fahrzeuge
DE102018102799A1 (de) 2018-02-08 2019-08-08 HELLA GmbH & Co. KGaA Beleuchtungsvorrichtung für Fahrzeuge
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WO2020200753A1 (fr) 2019-04-05 2020-10-08 HELLA GmbH & Co. KGaA Dispositif d'éclairage pour véhicules
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EP4361498A1 (fr) * 2022-10-27 2024-05-01 Hyundai Mobis Co., Ltd. Lampe pour véhicule

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EP3112742B1 (fr) 2021-08-04
AT517394A1 (de) 2017-01-15
AT517394B1 (de) 2017-04-15
CN106439679B (zh) 2019-06-21

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