EP0180145A1 - Dispositif d'éclairage et de signalisation, en particulier pour véhicules automobiles - Google Patents

Dispositif d'éclairage et de signalisation, en particulier pour véhicules automobiles Download PDF

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Publication number
EP0180145A1
EP0180145A1 EP85113484A EP85113484A EP0180145A1 EP 0180145 A1 EP0180145 A1 EP 0180145A1 EP 85113484 A EP85113484 A EP 85113484A EP 85113484 A EP85113484 A EP 85113484A EP 0180145 A1 EP0180145 A1 EP 0180145A1
Authority
EP
European Patent Office
Prior art keywords
light
layer
transparent
opaque
condenser lenses
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
EP85113484A
Other languages
German (de)
English (en)
Other versions
EP0180145B1 (fr
Inventor
Bernard Abel Léandre Delabroye
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.)
NEIMAN
Original Assignee
Neiman SA
Signal Vision 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
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First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=9309011&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP0180145(A1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Neiman SA, Signal Vision SA filed Critical Neiman SA
Publication of EP0180145A1 publication Critical patent/EP0180145A1/fr
Application granted granted Critical
Publication of EP0180145B1 publication Critical patent/EP0180145B1/fr
Expired legal-status Critical Current

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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
    • F21S43/255—Filters

Definitions

  • the present invention relates to a lighting and light signal device, in particular for motor vehicles.
  • the headlights and signal lights used in motor vehicles consist of a reflector with an incandescent lamp and front lens made of transparent material, which is generally provided with an optical network or grating in a form corresponding to the required lighting or signaling and thus the function of the device.
  • the light can also be colored, for example red, amber or white, for which purpose the cover plate of the device is generally colored according to the prior art.
  • this difficulty was initially countered by closing the reflector with a colorless cover plate and coloring the light when the light bulb was switched on by a transparent and colored cap or hood that completely enclosed the light bulb.
  • This hood or cap located between the cover plate and the incandescent lamp can also be provided with prisms in such a way that the cover plate is given every possible structure adapted to the body shape.
  • This baffle consists of a number of transparent parts or membranes, each of which is arranged in the optical axis of a converging lens, and a light-refractive diaphragm located between the light source and the shield, the colored hood or cap itself also being able to form such a light-refractive diaphragm.
  • Any transparent part of the shield is limited to the extent necessary to pass practically all of the rays focused by the converging lens.
  • the remaining part of the shield consists of light-absorbing or opaque material and is optionally metallized on its outside facing the windshield, as described in the two aforementioned solutions.
  • the proportion of the light emitted by the incandescent lamp receives the maximum value, while the proportion of light incident from the outside and penetrating the diaphragm membranes is absorbed in the relatively dark area of the reflector and cannot penetrate the diaphragm again.
  • this type of device there is also the disadvantage that there are still nuances in the external appearance of the front window of the switched-off lamp, so that today's requirements for such lamps, i. neither the required crystal structure of the pane, nor the adaptation to the shape of the body, is satisfied.
  • Variants of this device can be created by combinations of the solutions mentioned in versions in which the incandescent lamp with the colored hood or cap inside the reflector is enveloped by an opaque covering or bell, on which only the cylindrical wall is provided with openings, the membranes for the passage of the colored operating light beams may form the cap circumference only or not, while that of the transparent windshield outwardly facing end face of the lining or bell obscures the whole front part of the colored cap or hood and adapt to the external appearance of * light optionally has a mirror surface , the latter may also be colored according to the color of the body elements or the adjacent lighting devices.
  • This dark zone cannot achieve the necessary uniformity in the appearance of the front screen when the lamp is switched off and, moreover, causes a lack of light intensity in lamp operation due to the complete or partial darkening of the light rays emitted from the incandescent lamp, which in any case leads to a lack of homogeneity leads in the lighting area of the lamp, which is expressed in particular by a drop shadow on the optical axis.
  • the present invention can therefore be used to create lighting and light-drawing devices of the type described above, but which at the same time also meet the requirements mentioned with regard to their design with optimum light output.
  • the invention therefore relates to a lighting and light signaling device for motor vehicles, consisting of a reflector with an inserted incandescent lamp and parabolic mirror for retroreflection of the operating light in the form of an essentially parallel beam of rays, closed at the front by a front pane, the inner optics of which the light beam with a certain Strength and conventional color radiates outwards.
  • the device is characterized in that an intermediate screen or deflector is arranged in the interior of the reflector between the incandescent lamp and the front screen, consisting of an inner layer made of transparent material of a certain color, the surface of which facing the incandescent lamp is provided with a series of staggered collecting lines, from one Middle layer made of opaque material with a corresponding arrangement of frustoconical openings on the axis of the respective, on the inner layer of the converging lenses, which are able are to record the entire bundle of the respective operating light beams polarized by the individual directional lenses, as well as from an outer layer of colorless, transparent material, the outer surface of which faces the windshield also with corresponding converging lenses of essentially the same size as the lenses on the inner layer, the converging lenses on the inner and outer layers cooperating in alignment with the frustoconical openings in the middle layer, around all incident basic rays of the individual operating light bundles, which essentially concentrate on the mouth of the frustoconical openings in the
  • the invention makes it possible to create an intermediate screen, the opaque middle layer of which can be seen through the colorless outer layer and can be held in any other color (darker or lighter) than that of the inner layer; other coloring elements for the operating light emitted by the switched-on incandescent lamp can also be connected upstream of the intermediate diaphragm.
  • the colorless outer layer of the diaphragm on the outer surface of the opaque middle layer still strongly dampened by the spherical relief of the converging lenses, shows very weakly an arrangement of barely visible points, which the tiny mouths (minimum 1 mm 2 in cross section) of the frustoconical openings correspond.
  • the present invention therefore aims to provide a lighting and light-drawing device which is simple and inexpensive to manufacture, which adapts perfectly in color and shape to the other adjacent elements of the vehicle body, and which, when switched off, ensures and is capable of invisibility of a specific colored part is to bring about clearly recognizable lighting in conventional color when switched on.
  • the device consists of a reflector 1 with an inner parabolic mirror surface, at the focal point of which the filament of the incandescent lamp 2 fastened in a holder 3 of the reflector is located.
  • the intermediate layer 6 consists in this example of an opaque plastic plate, the thickness of which is selected so that the smaller outlet openings (mouths) of the frustoconical openings 6 1 come to lie in the plane of the focal points of the rays 8 2 , the rays 8 2 passing through Lenses 5 1 on the "upstream" aperture 5 are broken forward and the larger entrances of these frusto-conical openings 6 1 are closed.
  • the front screen 4 is made of a transparent and colorless (ie crystal-colored) material. If the front screen 4 is made of a transparent and colorless material, just as the opaque screen 6 is given a neutral or glossy color (such as white or silver), the exterior of the front screen appears due to the transparency of the screen 4 and the screen 7 in a very uniform (homogeneous) white or crystal-colored tint.
  • this device In the switched-on state, the light rays emanating from the filament of the incandescent lamp 2 are thrown back from the inner wall of the reflector 1 and thereby form the rays 8 1 which are aligned parallel or essentially parallel to the optical axis x'x, and which the converging lenses 5 1 on the "upstream” and colored aperture 5 are detected and broken, in order to subsequently penetrate the frusto-conical openings 6 1 in the aperture 6 in their entirety as operationally colored rays 8 2 .
  • the entirety of the collected beams 8 2 is then scattered and then penetrate the "downstream" transparent diaphragm 7 as scattered light beams 8 3 , in order here to be separated from the Collective lenses 7 1 completely captured and broken accordingly.
  • the rays 8 4 directed parallel or essentially parallel to the optical axis x'x, the light reaches the inner optics 4 1 of the transparent front pane 4 and achieves the desired lighting and signaling effect 8 5 'on the outside .
  • the light output of the device is not impaired by the presence of the diaphragms 5, 6 and 7 of the intermediate disk described here, since the entirety of the incident light rays 8 1 in the form of the outgoing colored rays 8 4 in the same direction and for optical purposes Axis x'x of the device is implemented parallel or substantially parallel.
  • the arrangement and design of the diaphragms 5, 6 and 7 prevent the illusion of a switched-on lamp from being created by the external ambient light.
  • the intensity and color of the reflection of the ambient light in the front area of the device can result in virtually no illusion of the switched-on state of the lamp.
  • the intermediate deflection plate can be produced from the orifices 5, 6 and 7 by overmolding or overlaying the three material layers in one piece (see FIGS. 2 and 3).
  • the "upstream”, transparent and correspondingly colored material layer 12 is provided on its rear side with offset lenses 12 1 and on its front side in a corresponding number and arrangement with frustoconical depressions 12 2 , which form the entire volume of the transparent openings in the diaphragm for the operating light, the diaphragm in turn in this example consisting of an opaque material overmoulded on the front side 12 2 and lying flush with the crests of the relief pattern 12 2 .
  • this diaphragm then takes place above the opaque material and the uncovered crests of the relief pattern 12 2 by overmoulding the transparent, colorless "downstream” material 14, the front of which has an arrangement corresponding to the converging lenses 14 1 of the device according to the invention, which in alignment therewith Close the shielded parts in order to detect and realign all rays 8 2 bundled by the "upstream” converging lenses 12 1 in the frustoconical openings 12 2 in the parallel direction 8 4 and then to scatter them through the transparent material 14.
  • the front pane 4 of the device according to the invention can also (see FIG. 4) be made from a transparent and colorless inner plate 16, which on the inside with a distribution optics 16 1 is provided, which consists of a plurality of staggered converging lenses and concentrates all incident and colored operating light beams 8 4 of the lamp in the corresponding parts of the truncated cone relief 16 2 alternately formed on the other outside in alignment; on this outer surface is then applied by overmolding an opaque material layer 17, which is largely matched in structure and color to the adjacent body elements, so that only the unclad and narrow (minimum 1 mm 2 ) mouths of the relief parts with the outer mold surface of this opaque layer 16 2 lie flush, which emit the correspondingly colored light 8 6 from the lamp to the outside.
  • a distribution optics 16 1 which consists of a plurality of staggered converging lenses and concentrates all incident and colored operating light beams 8 4 of the lamp in the corresponding parts of the truncated cone relief 16 2 alternately formed
  • the windshield of the device can also be designed so that it also contains an outer layer made of transparent material of the same color as the other adjacent lighting elements (see Fig. 5);
  • the transparent and colorless material layer 16 with converging lenses 16 1 on one side and a correspondingly aligned truncated cone relief 16 2 on the other side on the latter receives a thin coating of an opaque (preferably metallic) material 17, which nevertheless does not closes the narrow mouths of the frustoconical relief parts; this coating is then covered with the transparent and appropriately colored material layer 18, the thickness of which is chosen so that its outer surface is flush with the plane of the narrow relief openings 16 2 , the latter directing the differently colored rays of the resulting light beam outwards.
  • the opaque material layer 17 has the task of preventing any colored bundled operating light beam 8 5 from penetrating the layer 18 and thereby impairing the desired coloring of the other light beams 8 6 running outwards, which can guide them correctly through the truncated cone relief 16 2 have traveled.
  • the converging lenses 19 1 of the "upstream” colored inner layer 19 form a multiplicity of projecting generatrices with a cylindrical profile, the normal or perpendicular of which is aligned with the central plane of the trapezoidal notches 20 1 , which produce the diaphragm profile of the opaque intermediate layer 20 and are filled in by the colored material 19, as is the alignment with the respective vertical of the converging lenses 21 1 (of the same optical size as the linden 19 1 ) formed on the outside of the "downstream" colorless and transparent material layer 21, the surface of the upper part of the diaphragm bell generated.
  • the intermediate screen can advantageously be produced by joining together two identical transparent material layers 5 and 7, the material layer 5 being colored, and applying them to an opaque and perforated material layer 6.
  • the opaque perforated material layer 6 is preferably created by transferring it to one or the other of the transparent material layers 5 and 7.
  • the intermediate panel can be cut out of a large prefabricated sheet of material.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
  • Lighting Device Outwards From Vehicle And Optical Signal (AREA)
EP85113484A 1984-10-26 1985-10-24 Dispositif d'éclairage et de signalisation, en particulier pour véhicules automobiles Expired EP0180145B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR8416370A FR2572495B1 (fr) 1984-10-26 1984-10-26 Dispositif d'eclairage et de signalisation notamment pour vehicules automobiles
FR8416370 1984-10-26

Publications (2)

Publication Number Publication Date
EP0180145A1 true EP0180145A1 (fr) 1986-05-07
EP0180145B1 EP0180145B1 (fr) 1988-09-21

Family

ID=9309011

Family Applications (1)

Application Number Title Priority Date Filing Date
EP85113484A Expired EP0180145B1 (fr) 1984-10-26 1985-10-24 Dispositif d'éclairage et de signalisation, en particulier pour véhicules automobiles

Country Status (3)

Country Link
EP (1) EP0180145B1 (fr)
DE (1) DE3565172D1 (fr)
FR (1) FR2572495B1 (fr)

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0306399B1 (fr) * 1987-09-03 1991-09-04 Valeo Vision Feu masqué pour véhicules automobiles
EP0453932A2 (fr) * 1990-04-23 1991-10-30 DR.TECHN. JOSEF ZELISKO, FABRIK FÜR ELEKTROTECHNIK UND MASCHINENBAU GESELLSCHAFT m.b.H. Agencement de lentilles sans fantôme d'image, pour lampe de signalisation
WO1994005949A1 (fr) * 1992-08-31 1994-03-17 Itt Automotive Europe Gmbh Lampe de signalisation
EP0790458A1 (fr) * 1996-02-16 1997-08-20 Valeo Vision Feu de signalisation comportant des rangées d'éléments optiques et des bandes opaques ou semi-opaques
DE19753762A1 (de) * 1997-12-04 1999-06-10 Itt Mfg Enterprises Inc Signalleuchte, insbesondere Kombinationsheckleuchte eines Fahrzeuges
US6249375B1 (en) 1998-01-19 2001-06-19 Swarco Futurit Verkehrssignal Systeme Ges M.B.H. Optical element for traffic signs, display panels or the like
US6469622B1 (en) 1997-12-11 2002-10-22 Stanley Electric Co., Ltd. Automobile rear combination lamp
EP0842818B1 (fr) * 1996-11-15 2003-09-17 Valeo Vision Feu de signalisation, notamment pour véhicules, réalisant au moins deux fonctions de signalisation
WO2010068127A1 (fr) * 2008-12-11 2010-06-17 Instytut Optyki Stosowanej Système optique modulaire d'une table lumineuse
WO2019158890A1 (fr) * 2018-02-19 2019-08-22 Automotive Lighting Rear Lamps France Dispositif de signalisation pour véhicule automobile comprenant un écran opaque permettant le passage d'une plus grande quantité de lumière émise par une source de lumière dissimulée derrière ledit écran
FR3078139A1 (fr) * 2018-02-19 2019-08-23 Automotive Lighting Rear Lamps France Dispositif de signalisation pour vehicule automobile comprenant un ecran opaque permettant le passage d'une plus grande quantite de lumiere emise par une source de lumiere dissimulee derriere ledit ecran

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3902638A1 (de) * 1989-01-30 1990-08-02 Hella Kg Hueck & Co Signalleuchte fuer fahrzeuge
DE4003905C1 (en) * 1990-02-09 1991-07-25 Stuehrenberg Gmbh, 4930 Detmold, De Phantom light suppressor for signal lamp with reflector - has ambient light absorber in emergent light beams region of dispersion lenses
FR2905321B1 (fr) * 2006-09-06 2009-04-17 Peugeot Citroen Automobiles Sa Dispositif lumineux de signalement de vehicule automobile a effet diode
DE102017123720A1 (de) * 2017-10-12 2019-04-18 HELLA GmbH & Co. KGaA Kommunikationssystem für ein Kraftfahrzeug

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1266129A (fr) * 1969-10-01 1972-03-08
FR2409455A1 (fr) * 1977-11-21 1979-06-15 Frankani Sa Vitre pour lanterne de signalisation pour vehicules automobiles et lanterne equipee de cette vitre
FR2427549A1 (fr) * 1978-05-30 1979-12-28 Lucas Industries Ltd Lampe notamment a reflecteur

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1266129A (fr) * 1969-10-01 1972-03-08
FR2409455A1 (fr) * 1977-11-21 1979-06-15 Frankani Sa Vitre pour lanterne de signalisation pour vehicules automobiles et lanterne equipee de cette vitre
FR2427549A1 (fr) * 1978-05-30 1979-12-28 Lucas Industries Ltd Lampe notamment a reflecteur

Cited By (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0306399B1 (fr) * 1987-09-03 1991-09-04 Valeo Vision Feu masqué pour véhicules automobiles
EP0453932A2 (fr) * 1990-04-23 1991-10-30 DR.TECHN. JOSEF ZELISKO, FABRIK FÜR ELEKTROTECHNIK UND MASCHINENBAU GESELLSCHAFT m.b.H. Agencement de lentilles sans fantôme d'image, pour lampe de signalisation
EP0453932A3 (en) * 1990-04-23 1992-04-08 Dr. Techn Josef Zelisko, Fabrik Fuer Elektrotechnik Und Maschinenbau Gesellschaft M.B.H. Lens arrangement for signal lamp, free of image phantoms
WO1994005949A1 (fr) * 1992-08-31 1994-03-17 Itt Automotive Europe Gmbh Lampe de signalisation
EP0790458A1 (fr) * 1996-02-16 1997-08-20 Valeo Vision Feu de signalisation comportant des rangées d'éléments optiques et des bandes opaques ou semi-opaques
FR2745062A1 (fr) * 1996-02-16 1997-08-22 Valeo Vision Feu de signalisation comportant des rangees d'elements optiques et des bandes opaques ou semi-opaques
EP0842818B1 (fr) * 1996-11-15 2003-09-17 Valeo Vision Feu de signalisation, notamment pour véhicules, réalisant au moins deux fonctions de signalisation
DE19753762A1 (de) * 1997-12-04 1999-06-10 Itt Mfg Enterprises Inc Signalleuchte, insbesondere Kombinationsheckleuchte eines Fahrzeuges
US6469622B1 (en) 1997-12-11 2002-10-22 Stanley Electric Co., Ltd. Automobile rear combination lamp
US6249375B1 (en) 1998-01-19 2001-06-19 Swarco Futurit Verkehrssignal Systeme Ges M.B.H. Optical element for traffic signs, display panels or the like
AT500056B1 (de) * 1998-01-19 2006-07-15 Swarco Futurit Verkehrssignals Optikelement für verkehrszeichen, anzeigetafeln oder dgl.
WO2010068127A1 (fr) * 2008-12-11 2010-06-17 Instytut Optyki Stosowanej Système optique modulaire d'une table lumineuse
WO2019158890A1 (fr) * 2018-02-19 2019-08-22 Automotive Lighting Rear Lamps France Dispositif de signalisation pour véhicule automobile comprenant un écran opaque permettant le passage d'une plus grande quantité de lumière émise par une source de lumière dissimulée derrière ledit écran
FR3078139A1 (fr) * 2018-02-19 2019-08-23 Automotive Lighting Rear Lamps France Dispositif de signalisation pour vehicule automobile comprenant un ecran opaque permettant le passage d'une plus grande quantite de lumiere emise par une source de lumiere dissimulee derriere ledit ecran
US11415292B2 (en) 2018-02-19 2022-08-16 Marelli Automotive Lighting France Signaling device for a motor vehicle

Also Published As

Publication number Publication date
EP0180145B1 (fr) 1988-09-21
FR2572495A1 (fr) 1986-05-02
FR2572495B1 (fr) 1986-12-26
DE3565172D1 (en) 1988-10-27

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