EP3354979A1 - Beleuchtungsvorrichtung mit maske mit 3d-motiven - Google Patents

Beleuchtungsvorrichtung mit maske mit 3d-motiven Download PDF

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Publication number
EP3354979A1
EP3354979A1 EP18152908.2A EP18152908A EP3354979A1 EP 3354979 A1 EP3354979 A1 EP 3354979A1 EP 18152908 A EP18152908 A EP 18152908A EP 3354979 A1 EP3354979 A1 EP 3354979A1
Authority
EP
European Patent Office
Prior art keywords
face
mask
photons
main 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.)
Granted
Application number
EP18152908.2A
Other languages
English (en)
French (fr)
Other versions
EP3354979B1 (de
Inventor
Michael Bore
Rodolphe Peron
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.)
Stellantis Auto SAS
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 EP3354979A1 publication Critical patent/EP3354979A1/de
Application granted granted Critical
Publication of EP3354979B1 publication Critical patent/EP3354979B1/de
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
    • 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]
    • F21S41/155—Surface emitters, e.g. organic light emitting diodes [OLED]
    • 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
    • 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
    • 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
    • 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
    • F21S43/20—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
    • F21S43/26—Refractors, transparent cover plates, light guides or filters not provided in groups F21S43/235 - F21S43/255
    • 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
    • F21V7/00—Reflectors for light sources
    • F21V7/10—Construction
    • 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 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.
  • This type of mask only makes it possible to define two-dimensional (or 2D) patterns, without a real relief (or 3D) effect. It is by relatively limited in terms of light effect, possibly decorative.
  • the invention is therefore particularly intended to improve the situation.
  • a lighting device comprising at least one source of light capable of generating photons and a mask capable of allowing the photons generated to pass through predefined locations.
  • This lighting device is characterized in that its mask comprises a front face, facing outwards, and provided with three-dimensional elements each comprising an opaque main face and at least one lateral face inclined with respect to this main face, ensuring a junction between the latter and a main face of at least one other adjacent three-dimensional element, and transparent to form one of the predefined locations through which the photons generated.
  • 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 notably to propose a device illumination DE with light source (s) SL and mask M, and adapted to ensure 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 part of a vehicle optical block BO (here a taillight) comprising, in particular, 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 bodywork 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 and a mask M.
  • 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.
  • LED Light-Emitting Diode
  • OLED Organic Light-Emitting 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 adapted to (or arranged to) pass the photons that are generated by the light source (s) SL in predefined locations.
  • it can be made by molding in a plastic material such as polycarbonate (or PC) or polymethylmethacrylate (or PMMA), or glass.
  • a plastic material such as polycarbonate (or PC) or polymethylmethacrylate (or PMMA), or glass.
  • the color of the material in which the mask M is made may be that which is called white crystal.
  • This mask M comprises a front face FV, oriented towards the outside (and thus towards the protective glass GP), and a rear face FR, opposite to the front face FV and receiving the photons generated by the (the) source (s) ) SL light.
  • 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 light source (s) 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, in which case the photons generated by the light source (s) SL are directed directly towards the rear face FR of the mask M.
  • the front face FV of the mask M is provided with three-dimensional elements AND each having an opaque main face FP and at least one lateral face FL.
  • Each lateral face FL of a three-dimensional element ET is inclined with respect to the main face FP of the latter (ET) and ensures a junction between this main face FP and the main face FP of at least one other three-dimensional element ET neighbor.
  • each lateral face FL of a three-dimensional element ET is transparent in order to constitute one of the predefined places through which the photons generated (as illustrated on FIG. figure 3 ).
  • 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.
  • each main face FP of a three-dimensional element AND has a general shape of rhombus.
  • each of these facets FCj has a side which is extended by a side face FL ensuring its joining to one side of a facet FCj '(j' ⁇ j) of another neighboring three-dimensional element ET.
  • the first facet FC1 of a first three-dimensional element ET comprises a side which is coupled via a lateral face FL to the second facet FC2 of a second three-dimensional element ET located below and to the left of the first three-dimensional element ET
  • the second facet FC2 of this first three-dimensional element ET comprises a side which is coupled via another lateral face FL to the first facet FC1 of a third three-dimensional element AND located below and to the right of the first three-dimensional element ET.
  • the different main faces FP may have other general shapes than a rhombus.
  • the three-dimensional elements ET may have FP main faces having different general shapes, geometric or not, as long as they allow their junction via the associated side faces FL.
  • the main faces FP are not necessarily subdivided into two facets FCj of different orientations that confer a 3D shell or diamond point backlit appearance.
  • they (FP) can be subdivided into more than two facets FCj of different orientations (for example three or four), or do not have faceted subdivision while having one or more curvatures in at least one direction of the 'space.
  • each three-dimensional element ET comprises two lateral faces FL extending its main face FP. This results from the fact that the latter 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.
  • each lateral face FL of a three-dimensional element ET may, for example, have a generally triangular shape. This general form here gives the impression that each main face FP is "open" in its lower part extended by the two side faces FL associated.
  • the lateral faces FL of the three-dimensional elements ET may have other general shapes, geometric or otherwise.
  • the side faces FL are not necessarily identical of a three-dimensional element AND to the other. So, in the example shown on the figure 2 the three-dimensional elements AND placed on the same line at a given level have identical lateral faces FL, but of different dimensions from those of the lateral faces FL of the three-dimensional elements AND which are placed on the same line at a higher or lower level.
  • the height of the short side of each side face FL may increase as the level decreases, to enhance the opening effect of the main faces FP located in the lower levels.
  • 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.
  • 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. This is particularly the case in the two examples of mask M illustrated respectively on figures 1 and 3 . But this angle could be substantially constant.
  • this angle may be a function of the general inclination angle of the mask M relative to a horizontal plane and / or the shape of the subpart SPk of the optional reflector RP which is predefined so as to reflect the photons to three-dimensional AND elements associated (and therefore especially to their main faces FP and lateral FL).
  • the three subparts SP1 to SP3 are respectively inclined at three different angles with respect to a horizontal plane and the angles between the main faces FP and the associated side faces FL of the three-dimensional elements ET which are located next to each other. on different levels are all different.
  • each main face FP may, for example, be coated on the front face FV with a metal layer that is suitable for ensuring its opacity.
  • this metal layer may be aluminum or nickel / chromium.
  • each lateral face FL may, for example, have a transparency which results from ablation, by means of a laser, of the metal layer previously deposited on the entire front face FV, or of a deposit of a savings (or a savings mask) during the metallization phase.
  • the entire front face FV of the mask M is metallized, then this metallization is removed on each lateral face FL by means of a laser, while in the latter alternative a saving (or a mask of savings) on each lateral face FL before the metallization phase, and once the latter is completed (and therefore once the main faces FP metallized), all savings (or all savings masks) are withdrawn.
  • 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.
  • a reflector RP comprising, as indicated above, sub-parts SPk predefined in order to reflect the photons respectively to three-dimensional elements AND associated (placed at different levels), allows to have a homogeneous rendering at each FP main face while respecting the constraints photometrically due to the photon output from the side faces FL.
  • the mask M may have a non-zero average inclination with respect to a horizontal plane.
  • it (M) can be inclined with respect to this horizontal plane by an angle of between 20 ° and 50 °.

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  • 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)
EP18152908.2A 2017-01-27 2018-01-23 Beleuchtungsvorrichtung mit maske mit 3d-motiven Active EP3354979B1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1750669A FR3062454B1 (fr) 2017-01-27 2017-01-27 Dispositif d’eclairage a masque a motifs 3d

Publications (2)

Publication Number Publication Date
EP3354979A1 true EP3354979A1 (de) 2018-08-01
EP3354979B1 EP3354979B1 (de) 2023-08-09

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EP18152908.2A Active EP3354979B1 (de) 2017-01-27 2018-01-23 Beleuchtungsvorrichtung mit maske mit 3d-motiven

Country Status (3)

Country Link
EP (1) EP3354979B1 (de)
CN (1) CN108361648B (de)
FR (1) FR3062454B1 (de)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR3103538A1 (fr) * 2019-11-25 2021-05-28 Psa Automobiles Sa Module de signalisation pour véhicules automobiles
EP4065884B1 (de) * 2019-11-26 2024-02-07 Stellantis Auto SAS Beleuchtungsvorrichtung für ein kraftfahrzeug

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2813971A (en) * 1956-08-14 1957-11-19 Lester D Pickett Headlight for vehicles
DE3336178A1 (de) * 1983-10-05 1985-04-25 Robert Bosch Gmbh, 7000 Stuttgart Signalleuchte, insbesondere vordere blinkleuchte, fuer kraftfahrzeuge
US4654761A (en) * 1986-02-28 1987-03-31 General Motors Corporation Periscopic vehicle lamp lens and lens arrangement including same
EP1149732A1 (de) * 2000-04-26 2001-10-31 Compagnie D'equipements Automobiles Axo Scintex Kfz-Signalleuchte
FR2905321A1 (fr) * 2006-09-06 2008-03-07 Peugeot Citroen Automobiles Sa Dispositif lumineux de signalement de vehicule automobile a effet diode
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
EP3106348A1 (de) * 2015-06-16 2016-12-21 Automotive Lighting Italia S.p.A. Fahrzeugleuchte und zugehöriges herstellungsverfahren

Family Cites Families (6)

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Publication number Priority date Publication date Assignee Title
JP3104870B2 (ja) * 1998-01-29 2000-10-30 スタンレー電気株式会社 自動車用ランプ
KR102080610B1 (ko) * 2012-11-14 2020-02-25 엘지이노텍 주식회사 램프 및 그를 이용한 차량 램프 장치
AT514785B1 (de) * 2013-09-03 2021-11-15 Zkw Group Gmbh Optische Struktur mit einer Mikrostruktur mit quadratischer Streufunktion
FR3011311B1 (fr) * 2013-09-27 2018-05-25 Peugeot Citroen Automobiles Sa Dispositif d'eclairage a deux fonctions d'eclairement assurees par un meme groupe de source(s) de lumiere et des fuites de lumiere
KR102147940B1 (ko) * 2013-12-27 2020-08-25 엘지이노텍 주식회사 조명 장치
CN205227125U (zh) * 2015-11-26 2016-05-11 马瑞利汽车零部件(芜湖)有限公司 复合匀光车灯

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2813971A (en) * 1956-08-14 1957-11-19 Lester D Pickett Headlight for vehicles
DE3336178A1 (de) * 1983-10-05 1985-04-25 Robert Bosch Gmbh, 7000 Stuttgart Signalleuchte, insbesondere vordere blinkleuchte, fuer kraftfahrzeuge
US4654761A (en) * 1986-02-28 1987-03-31 General Motors Corporation Periscopic vehicle lamp lens and lens arrangement including same
EP1149732A1 (de) * 2000-04-26 2001-10-31 Compagnie D'equipements Automobiles Axo Scintex Kfz-Signalleuchte
FR2905321A1 (fr) * 2006-09-06 2008-03-07 Peugeot Citroen Automobiles Sa Dispositif lumineux de signalement de vehicule automobile a effet diode
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
EP3106348A1 (de) * 2015-06-16 2016-12-21 Automotive Lighting Italia S.p.A. Fahrzeugleuchte und zugehöriges herstellungsverfahren

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR3103538A1 (fr) * 2019-11-25 2021-05-28 Psa Automobiles Sa Module de signalisation pour véhicules automobiles
EP4065884B1 (de) * 2019-11-26 2024-02-07 Stellantis Auto SAS Beleuchtungsvorrichtung für ein kraftfahrzeug

Also Published As

Publication number Publication date
FR3062454A1 (fr) 2018-08-03
EP3354979B1 (de) 2023-08-09
CN108361648B (zh) 2021-10-22
FR3062454B1 (fr) 2019-03-15
CN108361648A (zh) 2018-08-03

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