EP4095434B1 - Dispositif de lentille de véhicule - Google Patents

Dispositif de lentille de véhicule Download PDF

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Publication number
EP4095434B1
EP4095434B1 EP21175916.2A EP21175916A EP4095434B1 EP 4095434 B1 EP4095434 B1 EP 4095434B1 EP 21175916 A EP21175916 A EP 21175916A EP 4095434 B1 EP4095434 B1 EP 4095434B1
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EP
European Patent Office
Prior art keywords
lens
face
light
edge
main
Prior art date
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Application number
EP21175916.2A
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German (de)
English (en)
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EP4095434A1 (fr
Inventor
Ming-Chih Shih
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TYC Brother Industrial Co Ltd
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TYC Brother Industrial Co Ltd
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Priority to EP21175916.2A priority Critical patent/EP4095434B1/fr
Publication of EP4095434A1 publication Critical patent/EP4095434A1/fr
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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
    • F21S41/285—Refractors, transparent cover plates, light guides or filters not provided in groups F21S41/24 - F21S41/2805
    • 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
    • F21S41/32—Optical layout thereof
    • F21S41/322—Optical layout thereof the reflector using total internal reflection
    • 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
    • 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
    • F21S41/26—Elongated 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
    • F21S41/20—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by refractors, transparent cover plates, light guides or filters
    • F21S41/25—Projection lenses
    • F21S41/265—Composite lenses; Lenses with a patch-like shape

Definitions

  • FIGS 1 and 2 illustrate an existing vehicle lens apparatus 11 that includes a plurality of lens 12 integrally connected to and juxtaposed with each other in a right-left direction.
  • Each lens 12 is convexed in a rear-to-front direction and has a light entry face 121 and a light exit face 122.
  • the lenses 12 cooperate with each other to project light and generate a light distribution pattern on a road 13 as shown in Figure 2 .
  • the light from the lenses 12 can illuminate a main region 131 of the road 13 in front of the lenses 12 and left and right regions 14 at two sides of the main region 131.
  • the lenses 12 are unable to project light to left and right rear areas 12 behind the left and right regions 14. Therefore, dark areas 15 are easily formed behind the left and right regions 14 and are likely to cause danger.
  • an object of the invention is to provide a vehicle lens apparatus that can alleviate at least one of the drawbacks of the prior art.
  • Document US 2007/183166 relates to an optical module of a headlight for a motor vehicle, for giving a beam with a cut-off, in particular a low or passing beam, and defining an optical axis; more particularly, the document relates to a headlight module in which the light source consists of a discharge lamp, also called a xenon lamp.
  • the vehicle lens apparatus comprises the features of claim 1.
  • the vehicle lens apparatus of the invention is suitable for projecting light rays of a light source 90 on a horizontal surface 91 (see Figure 10 ), and includes a plurality of lens units 3 juxtaposed with each other in a left-right direction and integrally connected to each other.
  • each lens unit 3 is made of a transparent acrylic material .
  • Each lens unit 3 includes a main lens 4, a top lens 5 integrally connected to a top end of the main lens 4, and a bottom lens 6 integrally connected to a bottom end of the main lens 4.
  • the main lens 4 includes a main light exit face 41 and a main light entry face 42 formed rearwardly of and spaced apart from the main light exit face 41.
  • the main light exit face 41 in either horizontal or vertical cross section is convexed in a rear-to-front direction .
  • the main light entry face 42 in horizontal cross section is convexed in the rear-to-front direction, and in vertical cross section is straight in a top-bottom direction.
  • the top lens 5 has a top lens front face 51, a top lens rear face 52, a top lens bottom face 53, two end faces 54, and a connection face 55.
  • the top lens front face 51 is connected to an upper end of the main light exit face 41 for exiting light.
  • the top lens front face 51 includes a top lens upper edge 511 distal from the main light exit face 41.
  • a cross section of the top lens front face 51, which is formed along a horizontal cutting plane, has the shape of a parabolic curve that is convexed forwardly. Therefore, the top lens upper edge 511 is also the form of a parabolic curve convexed forwardly.
  • the top lens rear face 52 is a total internal reflection surface formed rearwardly of the top lens front face 51 for reflecting light to the top lens front face 51.
  • the top lens rear face 52 includes an upper curve edge 521, a lower curve edge 522, and two rear edges 523.
  • the upper curve edge 521 has two spaced apart rear ends 521a and is convexed forwardly from the rear ends 521a.
  • the lower curve edge 522 has two spaced apart rear ends 522a lower than the rear ends 521a of the upper curve edge 521 and convexed forwardly from the two spaced apart rear ends 521a of the lower curve edge 521.
  • a front side 522b of the lower curve edge 522 is situated behind and below a front side 521b of the upper curve edge 521.
  • the top lens rear face 52 extends divergingly and upwardly from the lower curve edge 522 to the upper curve edge 521.
  • the rear edges 523 extend upwardly, divergingly and respectively from the two spaced apart rear ends 522a of the lower curve edge 522 and are connected respectively to the rear ends 521a of the upper curve edge 521.
  • the top lens rear face 52 resembles a halved section of truncated conical surface that is concaved downwardly toward the top lens bottom face 53 (details thereof are described hereinafter).
  • the top lens bottom face 53 is a semicircular refraction surface for entry of light and has a bottom face rear edge 531.
  • the top lens bottom face 53 is connected to an upper end of the main light entry face 42 and extends rearwardly below the top lens rear face 52 from the upper end of the main light entry face 42 to the bottom face rear edge 531.
  • the bottom face rear edge 531 has a notch 532.
  • the lower curve edge 522 of the top lens rear face 52 is formed at the notch 532 as a boundary of the notch 532.
  • the two spaced apart rear ends 522a of the lower curve edge 522 meet the bottom face rear edge 531.
  • the light rays of a light source 90 are refracted by the top lens bottom face 53 to the top lens rear face 52, reflected by the top lens rear face 52 to the top lens front face 51, and then projected outwardly through the top lens front face 51.
  • the two end faces 54 are spaced apart from each other in the left-right direction.
  • Each end face 54 is an upright surface connected between one of the rear edges 523 of the top lens rear face 52 and the bottom face rear edge 531 of the top lens bottom face 53.
  • the upper curve edge 521 is semicircular, and the rear ends 521a of the upper curve edge 521 are respectively connected to upper ends of the rear edges 523 or the end faces 54.
  • the lower curve edge 522 is semicircular, and lower ends of the ends faces 54 are respectively connected to the rear ends 522a of the lower curve edge 522.
  • connection face 55 are connected between the top lens upper edge 511 of the top lens front face 51 and the front side 521b of the top lens rear face 52.
  • the bottom lens 6 is connected to a bottom end of the main lens 4, and includes a bottom lens front face 61, a bottom lens rear face 62, and a bottom lens top face 63.
  • the bottom lens front face 61 is connected to a lower end of the main light exit face 41 for exiting light.
  • the bottom lens front face 61 has a cross section formed along a horizontal cutting plane and resembles a parabolic curve that is convexed forwardly.
  • the bottom lens front face 61 includes a bottom lens front edge 611 distal from the lower end of the main light exit face 41 of the main lens 4.
  • the bottom lens front edge 611 is the form of a parabolic curve convexed forwardly.
  • the bottom lens rear face 62 is a total internal reflection surface formed rearwardly of the bottom lens front face 61 for reflecting light to the bottom lens front face 61.
  • the bottom lens rear face 62 has a cross section that is formed along a horizontal cutting plane and that resembles a concave curve concaved upwardly.
  • the bottom lens rear face 62 has a bottom lens rear edge 621.
  • the bottom lens rear face 62 extends rearwardly and upwardly from the bottom lens front edge 611 to the bottom lens rear edge 621.
  • the bottom lens rear edge 621 is the form of a parabolically concave curve concaved upwardly.
  • the bottom lens top face 63 is a refraction surface for entry of light and is connected to a lower end of the main light entry face 41 and extends rearwardly above the bottom lens rear face 62.
  • the bottom lens rear face 62 is concaved upwardly toward the bottom lens top face 63.
  • the bottom lens rear edge 621 of the bottom lens rear face 62 is connected to a rear end of the bottom lens top face 63.
  • the light from the light source 90 is refracted by the bottom lens top face 63 to the bottom lens rear face 62, reflected by the bottom lens rear face 62 to the bottom lens front face 61, and projected through the bottom lens front face 61.
  • Figures 9 , 11 , 13 , and 15 illustrate simulated light patterns projected by the vehicle lens apparatus of the disclosure on a vertical plane placed 10 meters therefrom.
  • Figures 10 , 12 , 14 , and 16 illustrate stimulated light patterns projected on the horizontal surface 91 in front of the vehicle lens apparatus and on a road 92.
  • the main lens 4 projects in the rear-to-front direction from the light source 90 onto the horizontal surface 91 a first light pattern 71 with a length extending in the left-right direction and a width extending in the rear-to-front direction.
  • the first light pattern 71 in a rectangular form includes a first main light region 711 centrally covering the road 92, and two first lateral light regions 712 respectively formed at left and right sides of said first main light region 711.
  • Figures 11 and 12 illustrate light patterns generated by the top lens 5.
  • a phantom area defined by phantom lines in Figure 12 schematically represents a region covered by the first light pattern 71.
  • the top lens 5 projects onto the horizontal surface 91 a second light pattern 72 that is convexed in the rear-to-front direction.
  • the second light pattern 72 includes a second main light region 721 superimposed on the first main light region 711, and two second lateral light regions 722 extending respectively and rearwardly from left and right sides of the second main light region 721.
  • a width of the second main light region 721 in the rear-to-front direction is smaller than that of the first main light region 711, and does not protrude from the first main light region 711.
  • the second lateral light regions 722 protrude rearwardly and respectively from the first lateral light regions 712, and also protrude respectively and sidewardly from left and right sides of the road 92.
  • Figures 13 and 14 illustrate light patterns generated by the bottom lens 6.
  • a phantom area defined by phantom lines in Figure 14 schematically represents a region covered by the first light pattern 71 and the second light pattern 72.
  • the bottom lens 6 projects from the light source 90 (see Figure 5 ) a third light pattern 73 with a length extending in the left-right direction and a width extending in the rear-to-front direction.
  • the third light pattern 73 includes a third light region 731 protruding rearwardly from the first light pattern 71.
  • the third light region 731 is situated between the second lateral light regions 722.
  • Figures 15 and 16 illustrate light patterns generated by the lens units 3.
  • an overall light pattern 8 produced by the lens units 3 is composed of the first, second and third light patterns 71, 72, 73 of each lens unit 3.
  • the second light pattern 72 produced by the top lens 5 of each lens unit 3 can eliminate the dark area or dead spot appearing in the light pattern of the prior art, so that the vehicle lens apparatus of the disclosure can enhance driving safety.
  • the third light pattern 73 the vehicle lens apparatus can provide more comprehensive light distribution.

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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)

Claims (7)

  1. Appareil à lentilles de véhicule convenant, lorsqu'il est monté dans un véhicule, pour projeter des rayons de lumière d'une source de lumière (90) sur une surface horizontale (91), comprenant:
    au moins une unité de lentilles (3) comportant une lentille principale (4), et une lentille supérieure (5) connectée à une extrémité supérieure de ladite lentille principale (4);
    ladite lentille principale (4) comportant une face de sortie de lumière principale (41) et une face d'entrée de lumière principale (42) formée à l'arrière de ladite face de sortie de lumière principale (41), ladite lentille principale (4) étant configurée pour projeter, dans une direction arrière-avant à partir de la source de lumière (90), sur la surface horizontale (91) un premier modèle de lumière (71) d'une longueur s'étendant dans une direction gauche-droite et d'une largeur s'étendant dans la direction arrière-avant, ledit premier modèle de lumière (71) comportant une première région de lumière principale (711), et deux premières régions de lumière latérales (712) formées respectivement des côtés gauche et droit de ladite première région de lumière principale (711); et
    ladite lentille supérieure (5) étant configurée pour projeter sur la surface horizontale (91) un deuxième modèle de lumière (72) qui est convexe dans la direction arrière-avant, ledit deuxième modèle de lumière (72) comportant une deuxième région de lumière principale (721) superposée à ladite première région de lumière principale (711), et deux deuxièmes régions de lumière latérales (722) s'étendant respectivement et vers l'arrière à partir des côtés gauche et droit de ladite deuxième région de lumière principale (721), lesdites deuxièmes régions de lumière latérales (722) faisant saillie vers l'arrière et respectivement à partir desdites premières régions de lumière latérales (712),
    caractérisé par le fait que
    ladite lentille supérieure (5) comporte une face avant de lentille supérieure (51) connectée à une extrémité supérieure de ladite face de sortie de lumière principale (41) et configurée pour faire sortir de la lumière, et une face arrière de lentille supérieure (52) disposée à l'arrière de ladite face avant de lentille supérieure (51) et destinée à réfléchir de la lumière vers ladite face avant de lentille supérieure (51), une section transversale de ladite face avant de lentille supérieure (51) qui est formée le long d'un plan de coupe horizontal présentant la forme d'une courbe convexe qui est convexe vers l'avant;
    ladite face avant de lentille supérieure (51) comporte un bord supérieur de lentille supérieure (511) distal à partir de ladite face de sortie de lumière principale (41), ledit bord supérieur de lentille supérieure (511) présentant la forme d'une courbe convexe qui est convexe vers l'avant;
    ladite lentille supérieure (5) comporte par ailleurs une face inférieure de lentille supérieure (53) configurée pour l'entrée de lumière;
    ladite au moins une unité de lentilles (3) comporte par ailleurs une lentille inférieure (6) connectée à une extrémité inférieure de ladite lentille principale (4), ladite lentille inférieure (6) étant configurée pour projeter à partir de la source de lumière (90) un troisième modèle de lumière (73) d'une longueur s'étendant dans la direction gauche-droite et d'une largeur s'étendant dans la direction arrière-avant, ledit troisième modèle de lumière (73) comportant une troisième région de lumière (731) faisant saillie vers l'arrière à partir dudit premier modèle de lumière (71);
    ladite lentille inférieure (6) comporte une face avant de lentille inférieure (61) connectée à une extrémité inférieure de ladite face de sortie de lumière principale (41) destinée à sortir de la lumière, et une face arrière de lentille inférieure (62) formée à l'arrière de ladite face avant de lentille inférieure (61) et destinée à réfléchir de la lumière vers ladite face avant de lentille inférieure (61), ladite face avant de lentille inférieure (61) présentant une section transversale formée le long d'un plan de coupe horizontal et ressemblant à une courbe convexe qui est convexe vers l'avant;
    ladite face avant de lentille inférieure (61) comporte un bord avant de lentille inférieure (611) distal à partir de ladite extrémité inférieure de ladite face de sortie de lumière principale (41) de ladite lentille principale (4), ledit bord avant de lentille inférieure (611) étant en forme d'une courbe convexe qui est convexe vers l'avant;
    ladite face arrière de lentille inférieure (62) présente un bord arrière de lentille inférieure (621), ladite face arrière de lentille inférieure (62) s'étendant vers l'arrière et vers le haut dudit bord avant de lentille inférieure (611) audit bord arrière de lentille inférieure (621, ledit bord arrière de lentille inférieure (621) étant en forme d'une courbe concave qui est concave vers le haut;
    ladite lentille inférieure (6) comporte par ailleurs une face supérieure de lentille inférieure (63) connectée à une extrémité inférieure de ladite face d'entrée de lumière principale (41) et s'étendant vers l'arrière au-dessus de la face arrière de lentille inférieure (62) pour l'entrée de lumière;
    ladite face inférieure de lentille supérieure (53) présente un bord arrière de face inférieure (531), ladite face inférieure de lentille supérieure (53) étant connectée à une extrémité supérieure de ladite face d'entrée de lumière principale (42) et s'étendant vers l'arrière au-dessous de ladite face arrière de lentille supérieure (52) de ladite extrémité supérieure de ladite face d'entrée de lumière principale (42) audit bord arrière de face inférieure (531), ladite face arrière de lentille supérieure (52) présentant une surface concave qui est concave vers le bas vers ladite face inférieure de lentille supérieure (53); et
    ladite face arrière de lentille inférieure (62) est concave vers le haut vers ladite face supérieure de lentille inférieure (63).
  2. Appareil à lentilles de véhicule selon la revendication 1, caractérisé par le fait que ladite face arrière de lentille supérieure (52) ressemble à un segment d'une surface tronconique qui est concave vers le bas vers ladite face inférieure de lentille supérieure (53).
  3. Appareil à lentilles de véhicule selon la revendication 1,
    caractérisé par le fait que ladite face arrière de lentille supérieure (52) comporte
    un bord courbe supérieur (521) présentant deux extrémités arrière espacées (521a) et étant convexes vers l'avant à partir desdites extrémités arrière (521a),
    un bord courbe inférieur (522) présentant deux extrémités arrière espacées (522a) plus basses que lesdites extrémités arrière (521a) dudit bord courbe supérieur (521) et convexes vers l'avant à partir desdites deux extrémités arrière espacées (522a) dudit bord courbe inférieur (522), un côté avant (522b) dudit bord courbe inférieur (522) étant situé derrière et au-dessous d'un côté avant (521b) dudit bord courbe supérieur (521), et
    deux bords arrière (523) s'étendant vers le haut, de manière divergente et respectivement à partir desdites deux extrémités arrière espacées (522a) dudit bord courbe inférieur (522) et connectés respectivement auxdites extrémités arrière (521a) dudit bord courbe supérieur (521); et
    dans lequel ladite face arrière de lentille supérieure (52) s'étend de manière divergente dudit bord courbe inférieur (522) audit bord courbe supérieur (521).
  4. Appareil à lentilles de véhicule selon la revendication 3,
    caractérisé par le fait que ledit bord arrière de face inférieure (531) présente une encoche (532), ledit bord courbe inférieur (522) étant formé au niveau de ladite encoche (532) comme limite de ladite encoche (532), lesdites deux extrémités arrière espacées (522a) dudit bord courbe inférieur (522) arrivant contre ledit bord arrière de face inférieure (531).
  5. Appareil à lentilles de véhicule selon les revendications 3 ou 4,
    caractérisé par le fait que ladite lentille supérieure (5) comporte par ailleurs deux faces d'extrémité (54) dont chacune est connectée entre l'un desdits bords arrière (523) et ledit bord arrière de face inférieure (531).
  6. Appareil à lentilles de véhicule selon les revendications 1 à 5,
    caractérisé par le fait que ladite face arrière de lentille inférieure (62) présente une section transversale qui est formée le long d'un plan de coupe horizontal et qui ressemble à une courbe concave qui est concave vers le haut.
  7. Appareil à lentilles de véhicule selon l'une quelconque des revendications 1 à 6,
    caractérisé par le fait que ladite au moins une unité de lentilles (3) comporte une pluralité d'unités de lentilles (3) juxtaposées l'une à l'autre dans la direction gauche-droite et connectées de manière solidaire l'une à l'autre, chacune desdites unités de lentilles (3) comportant par ailleurs une lentille inférieure (6), ladite lentille principale (4) interconnectant de manière solidaire ladite lentille supérieure (5) et ladite lentille inférieure (6).
EP21175916.2A 2021-05-26 2021-05-26 Dispositif de lentille de véhicule Active EP4095434B1 (fr)

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EP21175916.2A EP4095434B1 (fr) 2021-05-26 2021-05-26 Dispositif de lentille de véhicule

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EP21175916.2A EP4095434B1 (fr) 2021-05-26 2021-05-26 Dispositif de lentille de véhicule

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EP4095434B1 true EP4095434B1 (fr) 2024-04-17

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JP6131571B2 (ja) * 2012-11-13 2017-05-24 市光工業株式会社 車両用灯具
JP6209857B2 (ja) * 2013-05-17 2017-10-11 市光工業株式会社 車両用前照灯
FR3056693B1 (fr) * 2016-09-29 2020-06-19 Valeo Vision Dispositif d'eclairage en bandes pour projecteur de vehicule automobile
DE102018112453A1 (de) * 2018-05-24 2019-11-28 HELLA GmbH & Co. KGaA Vorfeldlichtmodul
CN210740277U (zh) * 2019-11-13 2020-06-12 华域视觉科技(上海)有限公司 远近光一体前照灯模组、前照灯及车辆

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