EP2770246A1 - Beleuchtungs- und/oder Signalisierungseinheit, insbesondere für Kraftfahrzeug - Google Patents

Beleuchtungs- und/oder Signalisierungseinheit, insbesondere für Kraftfahrzeug Download PDF

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Publication number
EP2770246A1
EP2770246A1 EP14155049.1A EP14155049A EP2770246A1 EP 2770246 A1 EP2770246 A1 EP 2770246A1 EP 14155049 A EP14155049 A EP 14155049A EP 2770246 A1 EP2770246 A1 EP 2770246A1
Authority
EP
European Patent Office
Prior art keywords
light source
elliptical
unit according
diopter
emission
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Withdrawn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
EP14155049.1A
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English (en)
French (fr)
Inventor
Jean-Luc Meyrenaud
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.)
Valeo Vision SAS
Original Assignee
Valeo Vision SAS
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 Valeo Vision SAS filed Critical Valeo Vision SAS
Publication of EP2770246A1 publication Critical patent/EP2770246A1/de
Withdrawn legal-status Critical Current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
    • 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]
    • F21S41/143—Light emitting diodes [LED] the main emission direction of the LED being parallel to the optical axis of the illuminating device
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S41/00—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps
    • F21S41/10—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by the light source
    • F21S41/14—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by the light source characterised by the type of light source
    • F21S41/141—Light emitting diodes [LED]
    • F21S41/151—Light emitting diodes [LED] arranged in one or more lines
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S41/00—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps
    • F21S41/20—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by refractors, transparent cover plates, light guides or filters
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S41/00—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps
    • F21S41/20—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by refractors, transparent cover plates, light guides or filters
    • F21S41/25—Projection lenses
    • F21S41/27—Thick lenses
    • 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
    • F21S41/60—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by a variable light distribution
    • F21S41/65—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by a variable light distribution by acting on light sources
    • F21S41/663—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by a variable light distribution by acting on light sources by switching light sources
    • 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

Definitions

  • the present invention relates in particular to a lighting unit and / or signaling.
  • a preferred application relates to the automotive industry for the production of lighting and / or signaling devices, in particular vehicle headlamps.
  • the document EP-A1-2525142 gives an example of an optical unit capable of performing a lighting function and comprising a light-emitting diode-type light source (hereinafter designated by its acronym, LED) and a diopter-type input lens having a plane / output diopter plane convex to elliptical profile, the LED being placed at an object focus of the output diopter.
  • LED light-emitting diode-type light source
  • diopter-type input lens having a plane / output diopter plane convex to elliptical profile
  • the implementation of these lighting or signaling involves having a lens adapted for each function and therefore a plurality of lenses each specific and each of which an output beam can be emitted towards the area of space to illuminate, in a preferred direction constituting the optical axis of the device and according to lighting or signaling parameters often standardized.
  • the invention solves at least in part the disadvantages of current techniques.
  • a lighting and / or signaling unit particularly a motor vehicle, comprising a first light source and an optical element comprising an input diopter and an output diopter, the optical element being configured to allow the emission of a first output light beam by the output diopter upon reception of a first input light flux, generated by the first light source, by the input diopter, characterized in that it comprises a second light source, the optical element being configured to allow the emission of a second output light beam by the output diopter on receipt of a second input light flux, generated by the second light source, by the input diopter, the output diopter having a first portion adapted more particularly to the first light source and a second portion ad particularly suitable for the second light source.
  • the invention mutualizes the input diopter and the output dioptre for the use of several sources.
  • the output diopter which typically comprises two portions each more particularly adapted to a light source. Namely, that one portion is designed relative to one of the light sources, while the other portion is designed relative to the other light source.
  • the first portion may be a surface having a focus or a focal line passing through one of the light sources
  • the second portion may be a surface having a focal point or a focal line passing through the other of the light sources.
  • the first portion is elliptical and at a first focus thereof is located the first light source.
  • the second portion is also elliptical and at a first focus thereof is located the second light source, the first foci of the first elliptical portion and the second elliptical portion being distinct.
  • the first light source and the second light source form a pair of sources configured so that their mean directions of emission are parallel and are spaced apart from each other in a direction perpendicular to their mean directions. 'program.
  • the first portion and the second portion are located, on either side, and advantageously symmetrical with respect to a base plane passing through the middle of a segment defined by the pair of sources and parallel the mean directions of emission, the first potion and the second portion may for example be elliptical as described above.
  • the light source is formed by at least one light emitting diode emitter and in which the second light source is formed by at least one other light emitting diode emitter.
  • the sources are effectively constituted and are on a single LED which can then perform two lighting and / or signaling functions.
  • a lighting and / or signaling module in particular a motor vehicle, comprising at least one unit, the optical element of the at least one unit being formed in a lens.
  • the module comprises several units whose optical elements are all formed in the lens.
  • the invention also relates to a light device, in particular for lighting and / or signaling, in particular for a motor vehicle, comprising at least one module according to the invention.
  • a light device in particular for lighting and / or signaling, in particular for a motor vehicle, comprising at least one module according to the invention.
  • it may be a lighting device from inside the passenger compartment of the vehicle.
  • the light device is a lighting and / or vehicle signaling device and comprises two modules.
  • the modules are located at different height levels in a vertical plane.
  • the mean directions of transmission in at least one module are different from the average directions of transmission in at least one other module.
  • At least one module is configured so that its average directions of transmission, in the basic plane, are angularly offset relative to the horizontal so that the direction of a ray, resulting from the second light source and passing through the intersection, in the base plane, of the first elliptical portion and the second elliptical portion is oriented along the horizontal.
  • the entire device is preferably integrable in a headlight block of a motor vehicle. It is thus a unitary block.
  • Another object of the invention is a vehicle equipped with at least one device of the invention and / or at least one unit and / or one module as indicated above.
  • the figure 8 illustrates another embodiment of the invention, with another form of output diopter, particularly well suited to an alignment of the two light sources in a vertical direction.
  • vertical and horizontal are used in the present description to designate directions, including beam directions, in an orientation perpendicular to the horizon plane for the term “vertical”, and in an orientation parallel to the plane. of the horizon for the term “horizontal”. They are to be considered in the operating conditions of the device in a vehicle. The use of these words does not mean that slight variations around the vertical and horizontal directions are excluded from the invention. For example, an inclination relative to these directions of the order of + or - 10 ° is here considered as a minor variation around the two preferred directions.
  • bottom or lower part generally means a part of an element of the invention located, in a vertical plane, below the optical axis.
  • top or “top” refers to a portion of an element of the invention located, in a vertical plane, above the optical axis.
  • the elliptical adjective is used to define a surface that has, along at least one section plane, an ellipse portion profile. It can be an ellipsoidal surface, defined by the rotation of the ellipse portion along one of its axes. The case of figure 2 corresponds to this situation. It may also be a cylindrical surface, in particular a directional curve formed by the portion of ellipse and generatrix perpendicular to the ellipse portion. The case of figure 8 corresponds to this situation.
  • the case shown in the various figures is particularly suitable for installation in a projector at the front of a motor vehicle.
  • Devices can also be located in a vehicle so as to produce a left front part and a front right beam projection part towards the front of the vehicle.
  • the present invention can use light sources of the type LEDs still commonly called LEDs.
  • each of these LEDs may be provided with at least one light emitting element such as a chip (in English "chip") capable of emitting a light intensity and color adjusted to the lighting function and / or signaling to achieve.
  • a first light source may include at least one light emitter of an LED to operate a lighting amber light for a flashing indication function change of direction.
  • a second light source may include at least one white light emitter of an LED to operate a daylight function.
  • the same LED may advantageously comprise at least two photoemitters, each configured to achieve at least partly a different lighting or signaling function.
  • the term light source means here a set of at least one elementary source such as an LED chip capable of producing a flow leading to generating at the output of the device of the invention an output stream fulfilling the function desired.
  • All types of beams can be formed thanks to the invention, including the various lighting and / or signaling functions indicated at the beginning of the present description.
  • the invention makes it possible to achieve with the same lens, all or part of a function of the direction change indication type and all or part of a daylight type function.
  • FIG 1 a lighting module according to the state of the art in which a light source 6 is visible and in the example consisting of a light emitting element of an LED, implanted on a plane of LEDs 5.
  • the light source 6 cooperates with a lens 1 of the convex plane thick lens type particularly having an input diopter 2 at a face facing the light source 6 and an output diopter 3. It is understood that the rays generated by the light source 6 enter in the lens 1 by the input diopter 2 and propagate towards the output diopter 3 by which the propagated rays are projected in the area of the space to be illuminated.
  • the output diopter 3 of the convex type is in particular in ellipsoid portion and its intersection, with respect to a vertical plane passing through the light source 6, is for example constituted by an ellipse portion at one of the foci of which source 6 is located.
  • the whole of this device is oriented along an optical axis 4 along which the mean direction of emission of the lens 1 is directed. In this case, it is perpendicular to the LED plane 5.
  • the device represented in figure 1 suitable for vertical installation according to the profile shown.
  • the direction 7 shown is then directed vertically.
  • other implantations are possible.
  • the device presented to the figure 1 gives overall satisfaction for the realization of a lighting function. However, this is limiting and it is clearly visible that the lens 1 has a size that is penalizing when it is desired to multiply the number of lighting and / or signaling functions.
  • FIG. figure 2 there is shown in addition to the light source 6, a second light source 8.
  • the sources 6, 8 form a pair spaced so that a segment 11 is formed between them.
  • the segment 11 is directed along a horizontal plane as is the case with the figure 2 or in a vertical direction not shown.
  • the two sources 6, 8 are also advantageously located at the input diopter 2 here schematized by the rectangular frame illustrating the input face of a lens.
  • each of the sources 6, 8 is able to emit an average directional light flux corresponding respectively to the directions represented under the references 9 and 10.
  • the directions 9, 10 are parallel and extend, in the for example, in a horizontal plane. It is recalled that the invention can be applied to other inclinations and in particular the directions 9, 10 may be present in a vertical plane, in which case the embodiment described here and illustrated in FIG. figure 2 , is to transpose by rotation of 90 ° around the line passing through the middle of the segment 11 and parallel to the directions 9, 10 constituting the optical axis of the whole unit.
  • FIG. figure 8 Another variant of the invention is illustrated in FIG. figure 8 to which the alignment of the sources 6, 8 is vertical.
  • one of the sources for example the source 6, makes it possible to constitute a function of indication of change of direction.
  • the indication "A" signifying that is a source of amber color.
  • the second light source 8 performs a daylight function which corresponds to the initial "W" corresponding to a white color emission ( white in English).
  • the light sources 6, 8 can be made from technologies derived from light-emitting diodes. More preferably, the sources 6, 8 consist of light emitting elements made in one and the same light emitting diode. In the simplest example, a diode comprises two light emitters, one amber, the other white so as to constitute respectively the light source 6 and the light source 8.
  • the set of control power supply means and mounting sources 6, 8 can be shared in the same LED.
  • the present invention Due to the presence of two light sources 6, 8 spaced in the direction of the segment 11, the present invention has the characteristic of having an optical element adapted to the presence of these two sources so as to work, with a single element optical, in good conditions of propagation of the beams and projection of the output beams despite the shift of the two sources 6, 8.
  • the optical element allowing the input of the light beams coming from the two sources 6, 8 and the projection of the output beams can have the configuration illustrated in FIG. figure 2 .
  • the optical element according to the invention means a member adapted to perform the function of admission, propagation and projection of a beam from the light rays generated by one or the other of the two sources. 6, 8.
  • the optical element can be made in the form of all or part of a lens 1.
  • the invention is not limited to a choice of materials to form the lens. It may be polymers such as polycarbonate, polymethyl methacrylate, polypropylene, polybutylene terephthalate or other polymers of the thermosetting type.
  • the optical element corresponding to the effective portion of the lens for the lighting function is shared from the sources 6, 8 in two portions, each particularly adapted to one of the two sources 6, 8.
  • a first elliptical portion 12 corresponding to a surface present on the exit diopter 3 and having at least one elliptical profile in a plane of intersection with the elliptical portion 12 is constructed. More particularly, the elliptical portion 12 admits as a focus F1A. , the point in figure 2 which also corresponds to the location of the light source 6.
  • the intersection between the elliptical portion 12 and a vertical plane is an ellipse portion.
  • it is advantageous that the intersection between a horizontal plane and the elliptical portion 12 is also constituted by an ellipse portion.
  • the elliptical portion 12 extends angularly on either side of the mean direction of emission 9 at an angle "a".
  • the deflection of the elliptical portion 12 in the horizontal plane represented in figure 2 around the direction 9 forms an angle of 2a.
  • the elliptical portion 12 advantageously extends in the horizontal plane to a line of joint 14 at which it joins a second elliptical portion 13.
  • the latter corresponds to a portion of the surface of the output diopter 3 particularly adapted to the light function corresponding to the second light source 8.
  • the construction of the second elliptical portion 13 is preferably substantially similar to that previously presented for the elliptical portion 12.
  • the second elliptical portion 13 advantageously has a section of elliptical portion in a vertical plane and / or in a horizontal plane. Moreover, it advantageously admits, as one of its foci F1W, the point where the second light source 8 is located.
  • the second elliptical portion 13 has a angular deflection in a horizontal plane corresponding to twice the diagrammatic angle "b" in figure2 .
  • the angle "b" corresponding to the angular displacement between the mean direction of emission 10 and the intersection between the horizontal plane and the line of joint 14.
  • the general optical axis of the assembly thus constituted essentially corresponds to a straight line passing through the middle of the segment 11 and the point of intersection between the joint line 14 and the horizontal plane containing the sources 6, 8.
  • a vertical plane passing through the optical axis thus defined intersects the output diopter 3 so as to constitute two half-spaces each comprising one of the elliptical portion 12 and the second elliptical portion 13.
  • the assembly is advantageously substantially symmetrical around this vertical plane.
  • the profile of the ellipse portions 12, 13 is advantageously in elliptical section in a vertical sectional plane. This is also advantageously the case in a horizontal section plane.
  • the elliptical profile in a horizontal plane can be obtained by geometric construction from the profile in the vertical plane.
  • the figure 2 represents at the level of a curved arrow the possibility of construction of the elliptical profile in the horizontal plane from that in the vertical plane. More particularly, once the elliptic profile in the vertical plane has been defined, in particular by defining the foci, rotates 90 ° so as to transpose the elliptical profile considered in a horizontal plane. Dashed lines illustrate this 90 ° rotation.
  • homothetic ratio can be applied between the two elliptical profiles located in the vertical plane and in the horizontal plane so as to adapt the curvature of the elliptical profile in the horizontal plane of intersection of the elliptical portion 12 or 13.
  • homothety report is not limited according to the invention and will be adapted to the lighting beam to be formed. It is recalled that the description above made in relation to the figure 2 for the positioning of the two sources 6, 8 in a horizontal plane can be transposed for the formation of two sources 6, 8 directed for which the segment 11 has a vertical direction. Any other direction is also possible by simple rotation.
  • the elliptical portions 12, 13 advantageously each comprise a second focus, respectively F2A and F2B.
  • These second foci are preferably situated on the horizontal plane comprising the sources 6, 8 and advantageously respectively on the mean directions of emission 9, 10.
  • the unit according to the invention can thus consist of the optical element defined as before and the pair of sources 6,8.
  • the figure 3 gives a possible application in plan view for an emission along an optical axis 4 advantageously directed along the horizontal.
  • a plurality of LEDs 16 have been associated, each having a source 6 and a second source 8.
  • a slightly grayed-out appearance of one of the sources on each of the LEDs 16 schematizes the presence of a color photoemitter of different color. white example of an amber color.
  • a module 19 associates a plurality of units as previously described, the units being juxtaposed in a direction advantageously corresponding to the direction of the segment 11 previously described with reference to the unit presented in FIG. figure 2 .
  • the module 19 comprises a lens 1 common to all the units so that the optical elements of each unit are formed in the lens 1 which mutualises all the more means. Due to the juxtaposition of the LEDs 16, it follows, at the exit face of the lens 1, a juxtaposition of the elliptical portions 12, 13 of each unit.
  • the lens 1 may have a width (in a direction corresponding to that of the segment 11) equivalent to that of the sum of the widths of the elliptical portions 12, 13.
  • the lens 1 has an additional width on either side of the unit system formed.
  • the interest of this lateral extension will be explained in more detail with reference to another embodiment visible in figure 6 .
  • alternating sources respectively: white, amber, white, amber, amber, white, amber, white, amber, white, amber, white.
  • the elliptical portions are connected to the front face correspondingly. The inversion of some sources 6, 8 directed along the segment 11 makes it possible to distribute the output beams in space more efficiently.
  • FIG 4 an example is produced for this purpose in the form of a device associating in this case two modules 19 superimposed (or juxtaposed if we place in a horizontal plane).
  • the average transmission directions 9 or the optical axes 4 of the modules 19 are different so as to produce a projection with a different angular movement to better cover the portion of the space to be illuminated or signaled.
  • the angular offset represented by the angles a, b figure 2 . The offset shown is only indicative in both amplitude and direction.
  • each module 19 may comprise a plurality of LEDs 16 which follow one another, for example in the case of the figure 3 .
  • the device may comprise a plurality of modules 19 having units offset in a vertical plane or in a horizontal plane. For example, two modules 19 of the type illustrated in FIG. figure 3 by laterally shifting their axes 4.
  • the figure 5 illustrates an example of isolux curves obtained with a device corresponding to that of the figure 4 for daylighting function, the direction change indication function being substantially similar.
  • the figure 6 presents another embodiment of the invention in which a unit, as described above, comprises a pair of sources 6, 8 advantageously constituted in an LED 16 at an input diopter 2. Nevertheless, the face of output corresponding to the output diopter 3 of the optical element of this unit here advantageously comprises two lateral parts 17, 18 on either side of the elliptical portions 12, 13. It is understood that the output diopter 3 is substantially extended according to this possibility within the same unit. It is not absolutely necessary for this unit to have both extension portions 17 and 18. A unit could have only one extension 17 or 18.
  • the pairs of sources 6, 8 are spaced a width substantially equivalent to that of the side portions 17, 18.
  • the configuration of the figure 6 Surprisingly, it produces a projection of beams that may be suitable for certain functions, in particular daylighting and changing direction functions.
  • the figure 7 shows an example of spreading of beams in isolux curves corresponding to this case.
  • the figure 8 shows an embodiment of the invention particularly but not limitatively adapted to sources 6, 8 aligned in a vertical direction.
  • the two sources 6, 8 are spaced vertically along the axis marked "z".
  • the dotted lines of the figure 8 show an example of construction of the profile of the output diopter in a plane, here vertical, corresponding to the plane "yz" passing through the point F1.
  • point F1 represents the location of a first focus of an elliptical profile of a conventional lens appearing in short, fine dashed lines.
  • the point O is the center of the ellipse and F2 its second focus.
  • Point A corresponds to the point of the exit diopter 3 located on the optical axis.
  • the profile of the output diopter 3 of the invention comprises two elliptical sections each participating one of the portions 12, 13.
  • the profile of the portion 12 is a portion of ellipse defined by a first focus F1A where the first source 6 is located and by a second focus F2A located under the point F2 and on an elliptical axis offset by an angle " ⁇ " with respect to the direction of the y-axis and advantageously passing through the point A.
  • the profile of the portion 13 is an ellipse portion defined by a first focus F1W where the second source 8 and a second focus F2W located under the point F2 and an elliptical axis offset by an angle " ⁇ " relative to the direction of the y-axis and advantageously passing through the point A.
  • the three-dimensional shape of the output diopter can be produced by generating a cylindrical generatrix surface preferably parallel to the "x" axis and adopting the complex section as a guide curve.
  • the result is a cylindrical sheet of vertical section with two pieces of ellipses, so that the diopter 3 comprises two elliptical portions 12, 13, each particularly adapted to one of the sources 6.8.
  • figure 8 it is advantageous to alternate the source types 6, 8.
  • a source of a first color is located at the bottom and a source of a second color is located above it.
  • a source of the first color is located above and a source of the second color is at the bottom.
  • This configuration could be used, with the simple corresponding angular modifications, for sources aligned horizontally or in other directions.

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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)
EP14155049.1A 2013-02-21 2014-02-13 Beleuchtungs- und/oder Signalisierungseinheit, insbesondere für Kraftfahrzeug Withdrawn EP2770246A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1351491A FR3002303B1 (fr) 2013-02-21 2013-02-21 Unite d'eclairage et/ou de signalisation notamment de vehicule automobile

Publications (1)

Publication Number Publication Date
EP2770246A1 true EP2770246A1 (de) 2014-08-27

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EP14155049.1A Withdrawn EP2770246A1 (de) 2013-02-21 2014-02-13 Beleuchtungs- und/oder Signalisierungseinheit, insbesondere für Kraftfahrzeug

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Country Link
US (1) US9429289B2 (de)
EP (1) EP2770246A1 (de)
CN (1) CN104006343A (de)
FR (1) FR3002303B1 (de)

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EP2998645B1 (de) * 2014-09-16 2021-09-01 Valeo Vision Beleuchtungsvorrichtung eines fahrzeugs, die eine optische linse mit mehreren quellen verwendet

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CN109458601A (zh) * 2017-09-01 2019-03-12 法雷奥照明湖北技术中心有限公司 光学组件、照明装置和机动车辆
FR3078381B1 (fr) * 2018-02-27 2020-08-14 Valeo Vision Dispositif lumineux pour vehicule automobile, et unite d'eclairage et/ou de signalisation muni d'un tel dispositif
CN113091014B (zh) * 2021-04-06 2022-02-22 华域视觉科技(上海)有限公司 车灯光学元件、车灯模组和车辆

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FR3002303B1 (fr) 2015-03-20
US9429289B2 (en) 2016-08-30
FR3002303A1 (fr) 2014-08-22
US20140233254A1 (en) 2014-08-21
CN104006343A (zh) 2014-08-27

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