EP3354978A1 - Beleuchtungsvorrichtung mit frontmaske, die von dem bild eines farbteils beleuchtet wird - Google Patents

Beleuchtungsvorrichtung mit frontmaske, die von dem bild eines farbteils beleuchtet wird Download PDF

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Publication number
EP3354978A1
EP3354978A1 EP18152907.4A EP18152907A EP3354978A1 EP 3354978 A1 EP3354978 A1 EP 3354978A1 EP 18152907 A EP18152907 A EP 18152907A EP 3354978 A1 EP3354978 A1 EP 3354978A1
Authority
EP
European Patent Office
Prior art keywords
mask
face
photons
front face
lighting device
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.)
Withdrawn
Application number
EP18152907.4A
Other languages
English (en)
French (fr)
Inventor
Rodolphe Peron
Michael Bore
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.)
PSA Automobiles SA
Original Assignee
PSA Automobiles SA
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 PSA Automobiles SA filed Critical PSA Automobiles SA
Publication of EP3354978A1 publication Critical patent/EP3354978A1/de
Withdrawn legal-status Critical Current

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Classifications

    • 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
    • F21V11/00—Screens not covered by groups F21V1/00, F21V3/00, F21V7/00 or F21V9/00
    • F21V11/08—Screens not covered by groups F21V1/00, F21V3/00, F21V7/00 or F21V9/00 using diaphragms containing one or more apertures
    • F21V11/14—Screens not covered by groups F21V1/00, F21V3/00, F21V7/00 or F21V9/00 using diaphragms containing one or more apertures with many small apertures
    • 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
    • F21V1/00—Shades for light sources, i.e. lampshades for table, floor, wall or ceiling lamps
    • F21V1/14—Covers for frames; Frameless shades
    • F21V1/146—Frameless shades
    • 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
    • F21S41/40—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by screens, non-reflecting members, light-shielding members or fixed shades
    • 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
    • F21S41/40—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by screens, non-reflecting members, light-shielding members or fixed shades
    • F21S41/43—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by screens, non-reflecting members, light-shielding members or fixed shades characterised by the shape 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
    • F21S41/50—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by aesthetic components not otherwise provided for, e.g. decorative trim, partition walls or covers
    • 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
    • F21S43/30—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
    • F21S43/50—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights characterised by aesthetic components not otherwise provided for, e.g. decorative trim, partition walls or covers

Definitions

  • the invention relates to lighting devices, and more specifically those which comprise at least one light source associated with a mask to ensure at least one photometric function.
  • the term “lighting device” means a light device that can provide at least a photometric function of lighting or signaling or light effect, possibly decorative.
  • lighting devices such as those defined above, are used to ensure at least one photometric function, for example a position light function ( or night light or lantern) or a daylight running function (or DRL (for "Daytime running Light (or Lamp)" - illuminated automatically when the vehicle is operated during the day).
  • a position light function or night light or lantern
  • a daylight running function or DRL (for "Daytime running Light (or Lamp)" - illuminated automatically when the vehicle is operated during the day).
  • the mask of this type of lighting device is a room, usually made of plastic, and charged to prevent the passage of photons generated except at predefined locations. For example, it is possible, for example, to define opaque areas, which may appear when they are backlit, and one or more transparent areas passing photons.
  • the mask may have on its front face patterns that appear when backlit by the back and are virtually invisible in the absence of backlight. These patterns are generally defined by metallization and laser ablation, or by partial metallization by means of a metallization saving mask, or by screen printing on a glued or overmolded film, or by printing.
  • the mask When the mask is inclined with respect to a horizontal plane, its the part that is located the most towards the back (and therefore the deepest) appears dark, even very dark in case of low inclination, when the (the) source (s) of light is (are) not in operation. In this case, any patterns that are located in the dark part of the mask become almost invisible, which is detrimental to the aestheticism or style effect sought, and therefore can affect the impression of quality.
  • the invention is therefore particularly intended to improve the situation.
  • a lighting device comprising at least one source of light suitable for generating photons, and a mask inclined with respect to a horizontal plane and having a rear face receiving the generated photons and a front face oriented towards the outside, and provided with metallized opaque areas adapted to prevent the output of photons received and transparent areas capable of passing outward photons received.
  • This lighting device is characterized in that it also comprises a part having a chosen color, installed over at least a portion of the front face of the mask in a position inclined relative to the latter so that a colored image of this part is reflected on at least part of the metallized opaque areas and thus induces their illumination.
  • the invention also proposes a vehicle optical unit, possibly of automobile type, and comprising at least one lighting device of the type of that presented above.
  • the invention also proposes a vehicle, possibly of automobile type, and comprising at least one lighting device of the type of the one presented above and / or at least one optical block of the type of that presented above.
  • the object of the invention is in particular to propose an illumination device DE with light source (s) SL and mask M, capable of providing at least one photometric function.
  • the lighting device DE is intended to equip an optical block BO of a vehicle of automobile type, such as for example a car.
  • a lighting device DE may be an equipment in itself (possibly including its own housing), or may be part of another equipment that a vehicle optical unit.
  • a lighting device DE can be part of any vehicle (land, sea (or fluvial), or air), any installation, including industrial type, any device ( or system), and any building.
  • the optical block BO (comprising at least one lighting device DE) is a rear light providing at least one photometric signaling function, for example a position light function (or night light or lantern).
  • the lighting device DE is a light device that can provide at least a photometric function of lighting or signaling or light effect, possibly decorative.
  • it could, for example, provide a daylight running function (or DRL (for "Daytime running Light (or Lamp)" - light signaling automatically illuminated when the vehicle is operated during the day)).
  • a block optical vehicle BO here a taillight
  • a lighting device DE according to the invention.
  • this optical block BO comprises in particular a housing BB delimiting a portion of a cavity housing a lighting device DE according to the invention, as well as any other lighting means providing at least one other photometric function, and a protective glass GP glass or plastic.
  • the BB housing is intended, here, to be secured to a part of the body of a vehicle (here in a rear left part). It is made of a rigid material, such as a plastic or synthetic material. In this case, it can be made by molding.
  • a lighting device DE comprises at least one light source SL, a mask M and a PC part having a chosen color.
  • each light source SL is able to generate photons for the mask M, directly or indirectly.
  • each light source SL may be a light-emitting diode of the conventional type (or LED (“Light-Emitting Diode”)) or organic type (or OLED ("Organic Light-Emitting Diode”)), or a laser diode.
  • each light source SL can, for example, be installed on a support plate PS.
  • This PS support plate may, for example, be a printed circuit board (PCB), rigid or flexible (“Flex" type).
  • the mask M is inclined relative to a horizontal plane and has rear faces FR and front face FV, opposite to each other.
  • the angle of inclination of the mask M with respect to the horizontal plane can be between 20 ° and 50 °. By way of example, this angle may be equal to 30 °.
  • the rear face FR of the mask M receives the photons that have been generated by each light source SL.
  • the front face FV of the mask M is oriented towards the outside (and thus here towards the protective glass GP), and is provided with metallized opaque zones ZO and transparent zones ZT.
  • this mask M can be made by molding in a plastic material such as polycarbonate (or PC) or poly-methyl methacrylate (or PMMA), or glass.
  • a plastic material such as polycarbonate (or PC) or poly-methyl methacrylate (or PMMA), or glass.
  • the lighting device DE may also comprise a reflector RP capable of reflecting the photons, generated by the light source (s) SL, towards the rear face FR of the mask M.
  • the photons generated by (the) source (s) of light SL initially go to the RF reflector which reflects them to the rear face FR of the mask M.
  • the lighting device DE may not include a reflector RP , and in this case the photons generated by the light source (s) SL go directly to the rear face FR of the mask M.
  • ZO metallized opaque zones are able to prevent the photons they receive from coming out.
  • they (ZO) may, for example, be coated (on the front face FV) of a metal layer which is adapted to ensure their opacity.
  • this metal layer may be aluminum or nickel / chromium.
  • the transparent zones ZT are able to let out the photons they receive coming from the rear face FR and which have been generated by the light source (s) SL.
  • This transparency may, for example, result from ablation, by means of a laser, of a metal layer previously deposited on the whole of the front face FV of the mask M, or of a deposit of a saving (or a savings mask) during the metallization phase.
  • a saving or a savings mask
  • the PC color piece is installed over at least a portion of the front face FV of the mask M in a position which is inclined by relative to the latter (M) so that a colored image of it (PC) is reflected on at least part of the metallized opaque zones ZO and thus induces their illumination.
  • the inclination of the mask M with respect to the horizontal plane makes it dark, or even very dark in case of low inclination, its part PAS which is located the most towards the rear (and therefore the deepest), when the ( the light source (s) SL is (are) not in operation.
  • the colored image of the PC-colored part which is reflected towards the part PAS comprising ZO metallized opaque zones darkened by their positioning in depth, induces an illumination of this part PAS, and therefore makes it very advantageously possible to see it (as well as its metallized opaque zones ZO) when the light source (s) SL is (are not) in operation.
  • the piece PC may, for example, be parallel to the horizontal plane. But it could be slightly inclined compared to the latter.
  • the piece PC may, for example, comprise an upper face FS opposite to the front face FV of the mask M and provided with reinforcing ribs NR. This makes it possible to increase significantly its rigidity.
  • the stiffening ribs NR can cross.
  • the color piece PC may, for example, comprise a lower face FI oriented towards the front face FV of the mask M and comprising a smooth part PL placed opposite the part PAS at least of the metallized opaque zones ZO and whose image colored induces illumination.
  • This smooth part PL makes it possible to optimize the homogeneity and the quality of the illumination of the part PAS.
  • the PC color piece may be made by molding in a plastic material such as polycarbonate (or PC) or polymethyl methacrylate (or PMMA), or possibly glass.
  • a plastic material such as polycarbonate (or PC) or polymethyl methacrylate (or PMMA), or possibly glass.
  • the advantage obtained by the illumination by the colored image of the PC color part is further increased when the metallized opaque zones ZO and the transparent zones ZT of the front face are constituted by three-dimensional elements AND.
  • each three-dimensional element ET may comprise an opaque main face FP constituting one of the metallized opaque zones Z0, and at least one transparent FL side face and constituting one of the transparent zones ZT through which the generated photons pass.
  • each lateral face FL of a three-dimensional element ET may be inclined with respect to the main face FP of the latter and may provide a junction between this main face FP and the main face FP of at least one other three-dimensional element AND neighbor.
  • each main face FP of a three-dimensional element ET constitutes a 3D pattern that appears when it is backlit by the rear face FR, and whose relief is highlighted (or even amplified) by the photons coming out of each face.
  • FL lateral which extends to the main face FP of at least one neighboring three-dimensional element ET.
  • Numerous 3D patterns can thus be defined by molding. Similarly, many light effects, possibly decorative, can be obtained.
  • the side faces FL of the three-dimensional elements ET can extend mutually along lines (here oblique) which intersect each other and where the photons define light bands which intersect.
  • a kind of grid or light grid is thus obtained via the lateral faces FL.
  • the angle existing between a main face FP and an associated lateral face FL may possibly vary, for example as a function of the level at which the three-dimensional element ET belongs. But this angle could be substantially constant.
  • this angle can be a function of the general angle of inclination of the mask M with respect to the horizontal plane and / or the shape of a sub-part of the optional reflector RP which is predefined so as to reflect the photons to three-dimensional elements AND associated (and therefore especially to their main faces FP and lateral FL).
  • each three-dimensional element ET comprises two lateral faces FL extending its main face FP. This results from the fact that the latter (FP) is subdivided into two facets FCj. But a three-dimensional element ET can include any number of side faces FL extending its main face FP, and this number is preferably equal to the number of facets FCj.
  • the lighting device DE when it is a rear light providing a position light function, it must produce a red light.
  • the red color may result, for example, from the use of light source (s) SL generating photons whose wavelength is that of white and a mask M having this red color (possibly crystal). This last combination makes it possible to have an extinguished rendering of red color on the lateral faces FL.
  • the color piece PC may for example also be red. But in the presence of a photometric function associated with a color other than red, it could also be of a color other than red, such as white.
  • a reflector RP comprising, as indicated above, predefined sub-parts in order to reflect the photons respectively to three-dimensional AND associated elements (placed at different levels), makes it possible to have a homogeneous rendering at each main face FP while respecting the photometric constraints thanks to the output of the photons by the side faces FL.
EP18152907.4A 2017-01-27 2018-01-23 Beleuchtungsvorrichtung mit frontmaske, die von dem bild eines farbteils beleuchtet wird Withdrawn EP3354978A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1750667A FR3062452B1 (fr) 2017-01-27 2017-01-27 Dispositif d’eclairage a masque a face avant eclairee par l’image d’une piece de couleur

Publications (1)

Publication Number Publication Date
EP3354978A1 true EP3354978A1 (de) 2018-08-01

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EP18152907.4A Withdrawn EP3354978A1 (de) 2017-01-27 2018-01-23 Beleuchtungsvorrichtung mit frontmaske, die von dem bild eines farbteils beleuchtet wird

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EP (1) EP3354978A1 (de)
CN (1) CN108361653A (de)
FR (1) FR3062452B1 (de)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR3118121A1 (fr) * 2020-12-21 2022-06-24 Psa Automobiles Sa Bloc optique de véhicule, à pièce de support monobloc participant à des fonctions photométriques
FR3123413A1 (fr) * 2021-05-31 2022-12-02 Valeo Vision Dispositif lumineux pour véhicule comprenant un film texturé
EP4065884B1 (de) * 2019-11-26 2024-02-07 Stellantis Auto SAS Beleuchtungsvorrichtung für ein kraftfahrzeug

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR3088987B1 (fr) * 2018-11-23 2020-10-30 Psa Automobiles Sa Bloc optique de véhicule à catadioptres flottant par rapport à un masque

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3336178A1 (de) * 1983-10-05 1985-04-25 Robert Bosch Gmbh, 7000 Stuttgart Signalleuchte, insbesondere vordere blinkleuchte, fuer kraftfahrzeuge
EP1149732A1 (de) * 2000-04-26 2001-10-31 Compagnie D'equipements Automobiles Axo Scintex Kfz-Signalleuchte
US20130039085A1 (en) * 2011-08-09 2013-02-14 Ichikoh Industries, Ltd. Vehicle lighting device
FR3011312A1 (fr) 2013-09-27 2015-04-03 Peugeot Citroen Automobiles Sa Dispositif d'eclairage a deux fonctions d'eclairement assurees par un meme groupe de source(s) de lumiere associe a des moyens de guidage
FR3022608A1 (fr) * 2014-06-19 2015-12-25 Peugeot Citroen Automobiles Sa Dispositif d'eclairage et/ou de signalisation generant une lumiere homogene sur un ecran
US20160369964A1 (en) * 2015-06-16 2016-12-22 Automotive Lighting Italia S.P.A. Vehicle light and related manufacturing method

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3336178A1 (de) * 1983-10-05 1985-04-25 Robert Bosch Gmbh, 7000 Stuttgart Signalleuchte, insbesondere vordere blinkleuchte, fuer kraftfahrzeuge
EP1149732A1 (de) * 2000-04-26 2001-10-31 Compagnie D'equipements Automobiles Axo Scintex Kfz-Signalleuchte
US20130039085A1 (en) * 2011-08-09 2013-02-14 Ichikoh Industries, Ltd. Vehicle lighting device
FR3011312A1 (fr) 2013-09-27 2015-04-03 Peugeot Citroen Automobiles Sa Dispositif d'eclairage a deux fonctions d'eclairement assurees par un meme groupe de source(s) de lumiere associe a des moyens de guidage
FR3022608A1 (fr) * 2014-06-19 2015-12-25 Peugeot Citroen Automobiles Sa Dispositif d'eclairage et/ou de signalisation generant une lumiere homogene sur un ecran
US20160369964A1 (en) * 2015-06-16 2016-12-22 Automotive Lighting Italia S.P.A. Vehicle light and related manufacturing method

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP4065884B1 (de) * 2019-11-26 2024-02-07 Stellantis Auto SAS Beleuchtungsvorrichtung für ein kraftfahrzeug
FR3118121A1 (fr) * 2020-12-21 2022-06-24 Psa Automobiles Sa Bloc optique de véhicule, à pièce de support monobloc participant à des fonctions photométriques
WO2022136747A1 (fr) * 2020-12-21 2022-06-30 Psa Automobiles Sa Bloc optique de véhicule, à pièce de support monobloc participant à des fonctions photométriques
FR3123413A1 (fr) * 2021-05-31 2022-12-02 Valeo Vision Dispositif lumineux pour véhicule comprenant un film texturé
WO2022253559A1 (fr) * 2021-05-31 2022-12-08 Valeo Vision Dispositif lumineux pour véhicule comprenant un film texturé

Also Published As

Publication number Publication date
FR3062452B1 (fr) 2019-03-29
FR3062452A1 (fr) 2018-08-03
CN108361653A (zh) 2018-08-03

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