EP3270044A1 - Unité d'éclairage d'automobile - Google Patents

Unité d'éclairage d'automobile Download PDF

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Publication number
EP3270044A1
EP3270044A1 EP17181562.4A EP17181562A EP3270044A1 EP 3270044 A1 EP3270044 A1 EP 3270044A1 EP 17181562 A EP17181562 A EP 17181562A EP 3270044 A1 EP3270044 A1 EP 3270044A1
Authority
EP
European Patent Office
Prior art keywords
light
guide body
platelike
rear sidewall
led diodes
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
EP17181562.4A
Other languages
German (de)
English (en)
Other versions
EP3270044B1 (fr
Inventor
Cristina PORCELLI
Sara Paroni
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.)
Marelli Automotive Lighting Italy SpA
Original Assignee
Automotive Lighting Italia SpA
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 Automotive Lighting Italia SpA filed Critical Automotive Lighting Italia SpA
Priority to PL17181562T priority Critical patent/PL3270044T3/pl
Publication of EP3270044A1 publication Critical patent/EP3270044A1/fr
Application granted granted Critical
Publication of EP3270044B1 publication Critical patent/EP3270044B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • 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
    • F21S43/20—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
    • F21S43/236—Light guides characterised by the shape of the light guide
    • F21S43/239—Light guides characterised by the shape of the light guide plate-shaped
    • 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
    • F21S43/243—Light guides characterised by the emission area emitting light from one or more of its extremities
    • 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
    • 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
    • F21Y2103/00—Elongate light sources, e.g. fluorescent tubes
    • F21Y2103/30—Elongate light sources, e.g. fluorescent tubes curved
    • 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 present invention relates to an automotive lighting unit.
  • the present invention relates to a taillight for cars and the like, i.e. a lighting apparatus suitable to be located on the rear part of the vehicle body of a car, van, truck, motorcycle or the like, in order to be able to illuminate the area surrounding the vehicle and usually also to indicate the presence and/or the direction of movement of the vehicle.
  • a lighting apparatus suitable to be located on the rear part of the vehicle body of a car, van, truck, motorcycle or the like, in order to be able to illuminate the area surrounding the vehicle and usually also to indicate the presence and/or the direction of movement of the vehicle.
  • taillight for cars and similar vehicles usually comprise: a substantially basin-shaped rear casing, which is structured so as to be stably recessed in a seat specially formed in the rear part of the vehicle body; a front half-shell, which is arranged to close the mouth of the casing so as to emerge outside of the vehicle body, and is usually provided with a plurality of transparent or semi-transparent portions, generally of different colours from each other; and a series of lighting assemblies which are located inside the casing each immediately behind a respective transparent or semi-transparent portion of the front half-shell, so as to be able to backlight the same transparent or semi-transparent portion of the half-shell.
  • each lighting assembly is univocally associated with a specific light signal and is therefore structured so as to be able to emit a light beam which, once came out of the lighting unit through the front half-shell, meets the approval specifications laid down for such a light signal.
  • the front half-shell is provided with at least one annular and ribbon-shaped, transparent or semi-transparent portion that usually surrounds the other transparent or semi-transparent portions of the front half-shell and also demarcates the perimeter of the front half-shell.
  • the annular transparent or semi-transparent portion of the half-shell is backlighted by a lighting assembly that comprises: a light-guide sleeve made of photoconductive material and which extends from the bottom of the rear casing up to arrive next to to the annular transparent or semi-transparent portion of the half-shell, substantially along the entire length of the same annular portion; and a series of light emitting diodes, traditionally called LED diodes, which are place in abutment on the rear sidewall of the light-guide sleeve, along the entire length of the rear sidewall, so as to direct the light produced directly into the light-guide sleeve.
  • a lighting assembly that comprises: a light-guide sleeve made of photoconductive material and which extends from the bottom of the rear casing up to arrive next to to the annular transparent or semi-transparent portion of the half-shell, substantially along the entire length of the same annular portion; and a series of light emitting diodes, traditionally called LED diodes, which are place in a
  • the backlighting system using the light-guide sleeve and the abutting LED diodes is unable to distribute the light in a sufficiently uniform manner over the whole area occupied by the annular transparent or semi-transparent portion of the front half-shell, with all the aesthetic problems that this entails.
  • an observer looking at the taillight from a significantly inclined position with respect to the optical axis of the taillight perceives a light signal with a noticeably irregular distribution of the light intensity.
  • the light coming out of the annular transparent or semitransparent portion of the front half-shell is more intense at each LED diode.
  • Aim of the present invention is therefore to provide a lighting assembly capable of backlighting the annular transparent or semi-transparent portion of the front half-shell while overcoming the drawbacks listed above.
  • an automotive lighting unit as defined in Claim 1 and preferably, though not necessarily, in any one of the claims dependent thereon.
  • number 1 denotes, as a whole, an automotive lighting unit, i.e. a lighting apparatus specifically adapted to be attached/incorporated in the front or rear part of the vehicle body of a motor vehicle, preferably with the function of illuminating the area surrounding the vehicle and/or with the function of indicating the presence, the stopping, and/or the direction of movement of the vehicle.
  • an automotive lighting unit i.e. a lighting apparatus specifically adapted to be attached/incorporated in the front or rear part of the vehicle body of a motor vehicle, preferably with the function of illuminating the area surrounding the vehicle and/or with the function of indicating the presence, the stopping, and/or the direction of movement of the vehicle.
  • the automotive lighting unit 1 is preferably structured for being stably recessed into the rear part of the vehicle body of a car or other similar motor vehicle.
  • the automotive lighting unit 1 firstly comprises: a rigid and preferably made of plastic material, rear casing 2 which is substantially basin-shaped and is preferably structured so as to be at least partially recessed into a seat specifically formed in the rear part of the vehicle body (not shown); and a rigid and preferably made of plastic material, front half-shell 3 which is placed to close the mouth 2a of the rear casing 2, preferably also so as to emerge, at the same time, outside of the vehicle body.
  • the rear casing 2 is preferably made of an opaque plastic material, preferably via an injection moulding process.
  • the front half-shell 3, on the other hand, is preferably made of a transparent or semi-transparent plastic material, such as for example the polycarbonate or the polymethylmethacrylate, also in this case preferably via an injection moulding process.
  • rear casing 2 could also be structured so as to be simply attached onto the rear part of the vehicle bod (not shown).
  • the front half-shell 3 is moreover provided with one or more transparent or semi-transparent portions, optionally also coloured; and the automotive lighting unit 1 additionally comprises one or more electrically-powered lighting assemblies, each of which emits light on command and is located inside the rear casing 2 in a position such as to be able to backlight a corresponding transparent or semi-transparent portion of front half-shell 3, preferably separately and independently of the other lighting assemblies.
  • the front half-shell 3 is provided with at least one substantially annular-shaped, transparent or semi-transparent portion 3a
  • the automotive lighting unit 1 is provided with a corresponding lighting assembly 5 with a substantially annular structure, which is located inside the rear casing 2 beneath the transparent or semi-transparent portion 3a, so as to be directly facing the transparent or semi-transparent portion 3a, and which is structured so as to direct the light produced towards the transparent or semi-transparent portion 3a.
  • the lighting assembly 5 comprises: a photoconductive-material, platelike body 6, preferably made of transparent plastic material, which is bent over itself so as to form a light-guide tubular sleeve that substantially copies the shape of the transparent or semi-transparent portion 3a of front half-shell 3, and is arranged inside the rear casing 2 with its annular front sidewall 7 locally substantially adjacent to the transparent or semi-transparent portion 3a of front half-shell 3, for the whole length of the transparent or semi-transparent portion 3a, and with its annular rear sidewall 8 facing the bottom of rear casing 2; and a light emitting device 9 with annular structure, which emits light on command, preferably substantially copies the shape of the annular rear sidewall 8 of light-guide sleeve 6, and is located inside the rear casing 2 immediately in front of the annular rear sidewall 8 and preferably directly abutting against the latter, so as to direct the light produced directly towards the annular rear sidewall 8 of light-guide sleeve 6
  • This light then propagates inside the body of light-guide sleeve 6 by virtue of the same physical principles that govern the propagation of light inside fibre optic cables, and comes out of the light-guide sleeve 6 through the front annular sidewall 7 of the sleeve directed towards the transparent or semi-transparent portion 3a of front half-shell 3.
  • the annular front sidewall 7 of light-guide sleeve 6 is moreover embossed in order to scatter the light coming out of the sleeve.
  • the light emitting device 9 basically consists of a series of LED diodes 10 (acronym for Light Emitting Diodes), preferably substantially coplanar to one another, which are spaced side-by-side to one another along a closed reference line that substantially follows the shape of the annular rear sidewall 8 of light-guide sleeve 6, and are moreover located inside the rear casing 2 so as to face the annular rear sidewall 8 of light-guide sleeve 6 and be able to direct the light produced towards the annular rear sidewall 8, substantially along the whole length of the annular rear sidewall 8.
  • LED diodes 10 ascronym for Light Emitting Diodes
  • the LED diodes 10 are arranged along a closed line that substantially copies the shape of the centerline of the annular rear sidewall 8 of light-guide sleeve 6.
  • the LED diodes 10 are moreover equally spaced along substantially the whole length of the closed reference line, i.e. are arranged at a given and substantially constant distance from one another.
  • the LED diodes 10 are also spaced apart from the annular rear sidewall 8 of platelike light-guide body 6, so that the intersection line/plane of the light cones c emitted by the LED diodes 10 is located upstream of the annular rear sidewall 8 of light-guide sleeve 6, i.e. between the annular rear sidewall 8 of light-guide sleeve 6 and the LED diodes 10.
  • the LED diodes 10 are placed in front of the annular rear sidewall 8 of light-guide sleeve 6, at a predetermined distance d from the annular rear sidewall 8 such that the intersection line f of the light cones c emitted by the LED diodes 10 is arranged between the annular rear sidewall 8 of light-guide sleeve 6 and the same LED diodes 10.
  • the LED diodes 10 are preferably located inside the rear casing 2, in front of the annular rear sidewall 8 of light-guide sleeve 6, at a predetermined distance d from the annular rear sidewall 8 the value of which is greater than or equal to a limit value do which is function of the aperture angle ⁇ of the light cones c emitted by the various LED diodes 10 and of the average distance or pitch p existing between the various LED diodes 10.
  • the light cone c emitted by the LED diode 10 corresponds to the solid angle within which conventionally at least 50% of the light energy emitted by the LED diode 10 is concentrated.
  • the limit value do moreover corresponds to the nominal distance locally existing between the LED diodes 10 of the light emitting device 9 and the intersection line f of the light cones c emitted by the same LED diodes 10.
  • each LED diode 10 is a Lambertian point light source that emits at least 50% of the light produced within a light cone c having an aperture angle ⁇ of a given value preferably ranging between 5° and 60°.
  • each LED diode 10 could also be coupled to an optical system capable of modifying the aperture angle of the light cone c generated by the same LED diode 10.
  • the aperture angle ⁇ of light cone c is to be measured downstream of the optical system arranged in abutment on the LED diode 10.
  • the distance d between the LED diodes 10 and the annular rear sidewall 8 of the light-guide sleeve 6 is preferably at least 10% greater than the limit value d 0 .
  • the platelike body 6 forming the light-guide sleeve is preferably made of Plexiglas, polycarbonate or other similar transparent plastic material, preferably via an injection moulding process.
  • light emitting device 9 preferably comprises: a series of LED diodes 10 which are preferably substantially coplanar with each other and are spaced side-by-side to one another according to an annular spatial arrangement which substantially copies the shape of the annular rear sidewall 8 of light-guide sleeve 6; and an annular diode-supporting structure 11 that preferably substantially copies the shape of the annular rear sidewall 8 of light-guide sleeve 6, supports/holds up the series of LED diodes 10, and is stably coupled to the body of light-guide sleeve 6 so as to arrange and stably hold the LED diodes 10 in front of the annular rear sidewall 8 of light-guide sleeve 6, at the predetermined distance d from the annular rear sidewall 8.
  • the annular diode-supporting structure 11 is moreover shaped so as to form, when coupled to the light-guide sleeve 6, a preferably laterally closed, annular air-gap or chamber 12 which forms an extension of the annular rear sidewall 8 of light-guide sleeve 6 and is adapted to be crossed by the light emitted by the LED diodes 10, before reaching the annular rear sidewall 8.
  • annular diode-supporting structure 11 is preferably rigidly secured to the rear casing 2, and supports the light-guide sleeve 6.
  • the diode-supporting structure 11 preferably comprises: an annular spacer element 13 that substantially copies the shape of the annular rear sidewall 8 of light-guide sleeve 6, and is arranged in abutment on the annular rear sidewall 8 of light-guide sleeve 6; and an a diode carrying board 14 preferably annular in shape, which directly supports the LED diodes 10 and is arranged in abutment on the annular spacer element 13 on the opposite side with respect to the annular rear sidewall 8, so that the LED diodes 10 face the annular rear sidewall 8 of light-guide sleeve 6, at the predetermined distance d from the annular rear sidewall 8 of light-guide sleeve 6.
  • annular spacer element 13 is preferably rigidly secured to the bottom of rear casing 2 and is preferably provided, substantially along the centerline, with an annular pass-through slit which is suitable to form, when the annular spacer element 13 is coupled to the light-guide sleeve 6, an annular air-gap that directly connects the area of the diode carrying board 14 where the LED diodes 10 are located to the annular rear sidewall 8 of light-guide sleeve 6, and is crossed by the light emitted by the LED diodes 10 and directed toward the annular rear sidewall 8 of light-guide sleeve 6.
  • the annular spacer element 13 has a substantially U-shaped cross-section, and is coupled to the light-guide sleeve 6 so that its upper annular opening matches with the annular rear sidewall 8 of light-guide sleeve 6 along substantially the whole length of annular rear sidewall 8.
  • the bottom wall of annular spacer element 13 is provided with a series of through apertures 15 that are suitably dimensioned to allow the light emitted by the LED diodes 10 to penetrate freely inside the annular spacer element 13 and then reach the annular rear sidewall 8; and the diode carrying board 14 is arranged in abutment on the bottom wall of the annular spacer element 13 with the LED diodes 10 aligned to the through apertures 15, so as to be able to direct the light into the annular spacer element 13, towards the annular rear sidewall 8 of light-guide sleeve 6.
  • diode carrying board 14 preferably incorporates at least a part of the power and/or control circuits of the LED diodes 10.
  • the light emitting device 9 preferably also comprises a substantially platelike, light-diffusing filter 16 which is placed to cover the annular rear sidewall 8 of light-guide sleeve 6 and is structured so as to diffuse, preferably substantially uniformly and/or randomly, the light that passes through the light-diffusing filter 16 directed towards the annular rear sidewall 8 of light-guide sleeve 6.
  • the platelike light-diffusing filter 16 is preferably interposed between the annular diode-supporting structure 11, or rather the annular spacer element 13, and the annular rear sidewall 8 of light-guide sleeve 6.
  • the light-diffusing filter 16 is preferably arranged downstream of the intersection line f of the light cones c emitted by the LED diodes 10.
  • the platelike light-diffusing filter 16 preferably has an annular shape that substantially matches the shape of the annular rear sidewall 8 of light-guide sleeve 6, and is placed to close the upper annular opening of annular spacer element 13.
  • the platelike light-diffusing filter 16 furthermore is preferably made of opaline-coloured semi-transparent material, so as to randomly diffuse the light that passes through the light-diffusing filter 16 directed towards the annular rear sidewall 8 of light-guide sleeve 6.
  • the light-diffusing filter 16 may have an embossed surface so as to scatter the light.
  • the front half-shell 3 is moreover provided with at least a second transparent or semi-transparent portion 3b which is preferably encircled by the annular transparent or semi-transparent portion 3a; and the automotive lighting unit 1 additionally comprises a second lighting assembly 18 which is located inside the rear casing 2, underneath the transparent or semi-transparent portion 3b, so as to directly face the transparent or semi-transparent portion 3b, and which is structured so as to direct the light produced towards the transparent or semi-transparent portion 3b, preferably without also backlighting the annular transparent or semi-transparent portion 3a.
  • the transparent or semi-transparent portion 3a of front half-shell 3 instead of having an annular shape, has a narrow and elongated shape, i.e. it is substantially ribbon-shaped.
  • the platelike light-guide body 6 is shaped so as to form a light-guide plate that substantially copies the shape of the ribbon-shaped transparent or semi-transparent portion 3a of front half-shell 3, and is arranged inside the rear casing 2 with its front sidewall 7 locally substantially adjacent to the transparent or semi-transparent portion 3a of front half-shell 3, along the whole length of the transparent or semi-transparent portion 3a, and with its rear sidewall 8 facing the bottom of rear casing 2.
  • the light emitting device 9 instead of having an annular shape, has an elongated shape that substantially copies the shape of the rear sidewall 8 of platelike light-guide body 6.
  • the LED diodes 10 are placed inside the rear casing 2 at a predetermined distance d from the rear sidewall 8 of platelike light-guide body 6, in such a way that the intersection line f of the light cones c emitted by the LED diodes 10 is located upstream of the rear sidewall 8 of platelike light-guide body 6, i.e. between the rear sidewall 8 of platelike light-guide body 6 and the LED diodes 10.
  • the LED diodes 10 are placed inside the rear casing 2, facing the rear sidewall 8 of platelike light-guide body 6, at a predetermined distance d from the rear sidewall 8 the value of which is greater than or equal to the distance d 0 between the LED diodes 10 and the intersection line f of the light cones c emitted by the LED diodes 10.
  • the light emitting device 9 preferably comprises: a series of LED diodes 10 which are preferably substantially coplanar to one another and are spaced side-by-side to one another along a reference line that substantially copies the shape of the centerline of the rear sidewall 8 of platelike light-guide body 6; and an oblong diode-supporting structure 11 that preferably substantially copies the shape of the annular rear sidewall 8 of platelike light-guide body 6, supports/holds up the LED diodes 10, and is stably coupled to the platelike light-guide body 6 so as to arrange and stably retain the LED diodes 10 in front of the rear sidewall 8 of platelike light-guide body 6, at the predetermined distance d from the rear sidewall 8.
  • the diode supporting structure 11 is shaped so as to form, when coupled to the platelike light-guide body 6, an oblong and laterally-closed air-gap 12 that forms an extension of the rear sidewall 8 of platelike light-guide body 6 and is adapted to be crossed by the light emitted by the LED diodes 10 before reaching the rear sidewall 8.
  • the diode-supporting structure 11 preferably comprises: an oblong-shaped spacer element 13 which substantially copies the shape of the rear sidewall 8 of platelike light-guide body 6, and is arranged in abutment on the rear sidewall 8 of platelike light-guide body 6; and a substantially ribbon-shaped diode carrying board 14 which directly supports the LED diodes 10 and is arranged in abutment on the elongated spacer element 13 on the opposite side with respect to the rear sidewall 8, so that the LED diodes 10 face the rear sidewall 8 of platelike light-guide body 6, at the predetermined distance d from the rear sidewall 8.
  • the light emitting device 9 preferably additionally comprises a substantially platelike light-diffusing filter 16, which is placed to cover the rear sidewall 8 of platelike light-guide body 6, preferably downstream of the intersection line f of the light cones c emitted by the LED diodes 10, and is structured so as to diffuse, preferably substantially uniformly and/or randomly, the light which passes through the light-diffusing filter 16 directed towards the rear sidewall 8 of light-guide body 6.
  • a substantially platelike light-diffusing filter 16 which is placed to cover the rear sidewall 8 of platelike light-guide body 6, preferably downstream of the intersection line f of the light cones c emitted by the LED diodes 10, and is structured so as to diffuse, preferably substantially uniformly and/or randomly, the light which passes through the light-diffusing filter 16 directed towards the rear sidewall 8 of light-guide body 6.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
  • Planar Illumination Modules (AREA)
EP17181562.4A 2016-07-15 2017-07-14 Unité d'éclairage d'automobile Active EP3270044B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL17181562T PL3270044T3 (pl) 2016-07-15 2017-07-14 Jednostka oświetleniowa pojazdu

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT102016000074010A IT201600074010A1 (it) 2016-07-15 2016-07-15 Fanale automobilistico

Publications (2)

Publication Number Publication Date
EP3270044A1 true EP3270044A1 (fr) 2018-01-17
EP3270044B1 EP3270044B1 (fr) 2020-09-16

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ID=57737842

Family Applications (1)

Application Number Title Priority Date Filing Date
EP17181562.4A Active EP3270044B1 (fr) 2016-07-15 2017-07-14 Unité d'éclairage d'automobile

Country Status (4)

Country Link
EP (1) EP3270044B1 (fr)
ES (1) ES2833361T3 (fr)
IT (1) IT201600074010A1 (fr)
PL (1) PL3270044T3 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3534062A1 (fr) * 2018-03-01 2019-09-04 PSA Automobiles SA Dispositif d'éclairage pour véhicule comprenant un masque à nervures pour la limitation de sortie de photons entre de guides de lumière

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102010054923A1 (de) * 2010-12-17 2012-06-21 Volkswagen Ag Leuchteinrichtung für ein Fahrzeug für zwei Lichtfunktionen
DE102011103179A1 (de) * 2011-06-01 2012-12-06 Hella Kgaa Hueck & Co. Signalleuchte für Fahrzeuge
US20130058112A1 (en) * 2011-09-06 2013-03-07 Sonar Auto Parts Co., Ltd. Vehicle lighting device
FR3008778A1 (fr) * 2013-07-22 2015-01-23 Renault Sa Systeme d'eclairage, notamment pour un organe d'eclairage de vehicule automobile, a carte a circuit imprime inclinee par rapport a la direction d'eclairage
WO2015075668A1 (fr) * 2013-11-20 2015-05-28 Automotive Lighting Italia S.P.A. Phare de véhicule automobile
JP2015201278A (ja) * 2014-04-04 2015-11-12 株式会社小糸製作所 車両用灯具

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102010054923A1 (de) * 2010-12-17 2012-06-21 Volkswagen Ag Leuchteinrichtung für ein Fahrzeug für zwei Lichtfunktionen
DE102011103179A1 (de) * 2011-06-01 2012-12-06 Hella Kgaa Hueck & Co. Signalleuchte für Fahrzeuge
US20130058112A1 (en) * 2011-09-06 2013-03-07 Sonar Auto Parts Co., Ltd. Vehicle lighting device
FR3008778A1 (fr) * 2013-07-22 2015-01-23 Renault Sa Systeme d'eclairage, notamment pour un organe d'eclairage de vehicule automobile, a carte a circuit imprime inclinee par rapport a la direction d'eclairage
WO2015075668A1 (fr) * 2013-11-20 2015-05-28 Automotive Lighting Italia S.P.A. Phare de véhicule automobile
JP2015201278A (ja) * 2014-04-04 2015-11-12 株式会社小糸製作所 車両用灯具

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3534062A1 (fr) * 2018-03-01 2019-09-04 PSA Automobiles SA Dispositif d'éclairage pour véhicule comprenant un masque à nervures pour la limitation de sortie de photons entre de guides de lumière
FR3078559A1 (fr) * 2018-03-01 2019-09-06 Psa Automobiles Sa Dispositif d’eclairage de vehicule, a masque a nervures de limitation de sortie de photons de guides de lumiere.

Also Published As

Publication number Publication date
EP3270044B1 (fr) 2020-09-16
ES2833361T3 (es) 2021-06-15
PL3270044T3 (pl) 2021-04-19
IT201600074010A1 (it) 2018-01-15

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