Illumination system for vehicle

Abstract

To provide an illumination system for improving illumination of vehicle body components.SOLUTION: An illumination system 1 for a vehicle includes at least one lighting device 2 and a vehicle body component. The lighting device 2 includes at least two, individually controllable, light sources 3a, 3b, and a lens element 4 arranged downstream of the light sources 3a, 3b. The lens element 4 is configured to emit a first light bundle and a second light bundle towards the vehicle body component, respectively. The vehicle body component includes an opaque section 6, and a plurality of transparent elements 7 embedded within the opaque section 6. The transparent elements 7 are defined by at least one parent-group PG of transparent elements 7, 7', where the parent-group PG is divided into at least two sub-groups SG. The lens element 4 is configured to redirect the first light bundle of the first light source 3a towards a first sub-group SG1 of the transparent elements 7 and to redirect the second light bundle of the second light source 3b towards a second sub-group SG2 of the transparent elements 7'.SELECTED DRAWING: Figure 1

Description

[Technical Field]

[0001] The present invention relates to a lighting system for a vehicle, the lighting system comprising: at least one lighting device comprising: at least two individually controllable light sources configured to emit light along a main direction of light propagation; and a lens element arranged downstream of the at least two light sources along the main direction of light propagation, the lens element configured to receive a first light flux from a first light source of the at least two light sources and to emit the first light flux along the main direction of light propagation, and to receive a second light flux from a second light source of the at least two light sources and to emit the second light flux along the main direction of light propagation; a vehicle body component arranged downstream of the lens element along a main propagation direction of light, the lens element configured to emit the first light beam and the second light beam, respectively, toward the vehicle body component, the vehicle body component comprising: an opaque portion configured to block light emitted by the lens element; and a plurality of transparent elements embedded in the opaque portion configured to allow light emitted from the lens elements to pass through the vehicle body component along the main propagation direction of light, adjacent transparent elements being spaced apart from each other by a distance greater than zero in a main plane of the vehicle body component, preferably the main plane being orthogonal to the main propagation direction of light; Equipped with The plurality of transparent elements is defined by at least one parent group of transparent elements, the parent group being divided into at least two subgroups, with at least one, preferably at least two, transparent elements defining a first subgroup and at least one, preferably at least two, different transparent elements that are not part of the first subgroup defining a second subgroup.

[0002] The invention also relates to a vehicle equipped with a lighting system. [Background technology]

[0003] In the prior art, a vehicle lighting system is known that includes a lighting device and a vehicle body component that is illuminated by the lighting device. When the vehicle body component includes portions that should be illuminated and portions that should not be illuminated (for example, to achieve a dynamic lighting effect with a specific pattern), the lighting device of the lighting system usually includes multiple light sources, and each of the portions of the vehicle body component that should be illuminated is associated with a specific light source. A drawback of such a system is that it requires a large number of light sources that must be individually controlled. In short, the number of light sources must be equal to or greater than the number of portions that should be illuminated.

[0004] It is an object of the present invention to provide a lighting system that improves the illumination of vehicle body components. Summary of the Invention

[0005] To achieve the object of the present invention, the lens element is configured to redirect the first light beam of the first light source towards the first sub-group of transparent elements and to redirect the second light beam of the second light source towards the second sub-group of transparent elements, such that in an operating state in which the first light source and the second light source emit light, the first sub-group of transparent elements and the second sub-group of transparent elements are illuminated by the respective light sources, and in an operating state in which only one of the at least two light sources emits light, only one of the at least two sub-groups of transparent elements corresponding to the light source emitting light is illuminated.

[0006] This has the advantage that the number of light sources required can be reduced, since the first subgroup is illuminated by a first light source and the second subgroup is illuminated by a second light source. In particular, the transparent elements of a first subgroup, which may include a plurality of transparent elements (e.g., two, three, four, or more), can be illuminated by a first light source, which may be a single light source, with the light of the first light source being directed toward the first subgroup by a lens element. Furthermore, the transparent elements of a second subgroup, which may include a plurality of transparent elements (e.g., two, three, four, or more), can be illuminated by a second light source, which may be a single light source, with the light of the second light source being directed toward the second subgroup by a lens element. In other words, the number of illuminated transparent elements can exceed the number of light sources, resulting in fewer light sources being required and a more efficient system. This means that the illumination system according to the present invention is less expensive and does not require complex control. The distance between the at least two light sources and the lens element along the main light propagation direction x can be approximately 10 mm. The distance between the lens element and the vehicle body component along the main propagation direction x of light can be 10 mm to 100 mm, preferably 20 mm. Two adjacent transparent elements can be spaced apart from each other in a main plane of the vehicle body component (the main plane is perpendicular to the main propagation direction of light), the distance being preferably 10 mm to 300 mm, in particular 22 mm. The lens element can be a biconvex lens, a plano-convex lens, a spherical lens, or an aspherical lens. In the present disclosure, light propagating along a certain direction does not mean that the light rays are parallel to each other and are parallel to a line representing the certain direction (e.g., the optical axis). The light source in the present disclosure can have Lambertian radiation characteristics, and the emitted light propagates along a direction that can be represented by the distance between two objects, for example, the lighting device and the lens element, or the lens element and the vehicle body component.

[0007] Advantageously, the body component has a back surface facing the lens element and a front surface avoiding the lens element, the body component is arranged in the at least one lighting device so that light emitted from the lens element illuminates the back surface, and each transparent element of the plurality of transparent elements penetrates the body component from the back surface to the front surface.

[0008] Advantageously, each transparent element of said plurality of transparent elements is surrounded, preferably entirely, by said opaque portion of said body component.

[0009] Advantageously, each transparent element is configured as a through hole formed in said body component, the boundary limiting said through hole having a particular shape, for example a circle, a square, a triangle, an oval, a polygon or a star, and each through hole being filled with a transparent material.

[0010] Advantageously, each transparent element has a similar or different shape in said main plane of said body component, and preferably the diameter of each shape in said main plane of said body component is equal or different for each transparent element.

[0011] Advantageously, the vehicle body component is a front bumper, a rear bumper or a radiator grille, in particular a closed radiator grille, for example for an electric vehicle.

[0012] Advantageously, the at least two light sources are arranged at a distance relative to the lens element along the main propagation direction of the light, the distance being shorter than the focal length of the lens element, preferably the at least two light sources are arranged around or centered on the optical axis of the lens element, preferably the vertical distance between the optical axis and the first light source is equal to the vertical distance between the optical axis and the second light source, preferably the lens element is arranged relative to the at least two light sources such that the optical axis is parallel to the main propagation direction of the light.

[0013] Advantageously, the at least one lighting device comprises a multi-chip LED, wherein the first light source corresponds to a first chip of the multi-chip LED and the second light source corresponds to a second chip of the multi-chip LED, or the at least two light sources are each configured as a single-chip LED, or the at least one lighting device comprises a light-emitting phosphor layer, preferably oriented perpendicular to the main propagation direction of the light, the light-emitting phosphor layer being separated into at least two light-emitting sections by a non-light-emitting separation layer, wherein the first light source corresponds to a first light-emitting section and the second light source corresponds to a second light-emitting section.

[0014] Advantageously, the lens element is configured to refract the first light beam and the second light beam, each of which is configured to propagate and preferably converge towards the optical axis of the lens element, and preferably the lens element comprises a projection lens which projects light of the light source onto the rear surface of the body component, and preferably the lens element comprises a projection lens configured to project the first light beam towards the first subgroup of transparent elements and the second light beam towards the second subgroup of transparent elements.

[0015] Advantageously, the at least two light sources are arranged relative to each other and to the lens element such that the first and second light beams are spaced apart from each other at a distance greater than zero in a plane perpendicular to the optical axis of the lens element, each light beam preferably illuminating the light receiving surface of the lens element in its entirety.

[0016] Advantageously, the at least two light sources are arranged on a light source holder, spaced apart from each other by a distance greater than zero, and the light source holder is arranged relative to the lens element so that the main propagation direction of the light emitted by the at least two light sources is parallel to the optical axis of the lens element between the at least two light sources and the lens element, preferably the light source holder and the optically inactive peripheral part of the lens element form a casing surrounding the at least two light sources, and preferably the light source holder has a mounting surface on which the at least two light sources are attached, and the light source holder is arranged relative to the lens element so that the mounting surface is perpendicular to the optical axis of the lens element.

[0017] Advantageously, the at least one lighting device comprises three, four or more light sources, each light source configured to emit a luminous flux along a main propagation direction of the light, the lens element configured to receive the luminous flux from all light sources and redirect said luminous flux towards the vehicle body component, the at least one parent group of transparent elements comprises a plurality of subgroups, the number of said plurality of subgroups corresponding to the number of light sources of the at least one lighting device, each subgroup of transparent elements being associated with a particular light source, the lens element configured to redirect light received from a particular light source towards the subgroup of transparent elements with which said particular light source is associated, and preferably the lighting system comprises a control device configured to individually control the three, four or more light sources of the lighting device.

[0018] Advantageously, the lighting system comprises a plurality of lighting devices, said plurality of transparent elements being defined by a plurality of parent groups, each lighting device being associated with one of said plurality of parent groups such that light emitted by a particular lighting device illuminates the transparent elements of the parent group with which it is associated and such that light emitted by a particular light source of said particular lighting device illuminates one sub-group corresponding to said particular light source and which is part of the parent group associated with said particular lighting device; preferably each lighting device is associated with exactly one parent group; and preferably the lighting system comprises a control device configured to individually control said plurality of lighting devices and the individual light sources of each of said plurality of lighting devices.

[0019] Advantageously, a subgroup is defined by three or more transparent elements, and preferably a parent group is defined by three or more subgroups.

[0020] Advantageously, the at least two light sources are arranged on the light source holder such that the first light beam and the second light beam at least partially overlap at the light receiving surface of the lens element.

[0021] According to another aspect of the present invention, a vehicle may be provided that includes a lighting system.

[0022] In the following, exemplary and non-limiting embodiments will be described, as shown in the drawings, to further demonstrate the present invention. [Brief explanation of the drawings]

[0023] [Figure 1] 1 is a front view of a lighting system according to the present invention; [Figure 2] 1 is a perspective view of a lighting device of a lighting system according to the invention; [Figure 3] FIG. 2 is a top view of the lighting system of FIG. 1. [Figure 4]2 is a schematic diagram of a second embodiment of a lighting system according to the present invention; DETAILED DESCRIPTION OF THE INVENTION

[0024] 1 shows a schematic front view of a vehicle lighting system 1. The lighting system includes a lighting device 2, which includes at least two individually controllable light sources 3a, 3b. The light sources 3a, 3b are configured to emit light along a primary light propagation direction x. In the illustrated embodiment, the light sources 3a, 3b are configured as multi-chip LEDs, with the first light source 3a corresponding to a first chip of the multi-chip LED and the second light source 3b corresponding to a second chip of the multi-chip LED.

[0025] The lighting device 2 comprises a lens element 4 arranged downstream of the at least two light sources 3 a, 3 b along a main light propagation direction x. The lens element 4 is configured to receive a first light beam from a first light source 3 a of the at least two light sources 3 a, 3 b and emit the first light beam along the main light propagation direction x. The lens element 4 is further configured to receive a second light beam from a second light source 3 b of the at least two light sources 3 a, 3 b and emit the second light beam along the main light propagation direction x.

[0026] Figure 2 is a detailed diagram of an embodiment of lighting device 2. In the illustrated embodiment, light source 3 of lighting device 2 comprises a light-emitting phosphor layer, in contrast to the multi-chip LED shown in Figure 1, which is separated into at least two light-emitting portions by a non-light-emitting separation layer. Due to the separation of the phosphor layer, light source 3 has two distinct light-emitting regions and is therefore similar to a multi-chip LED in terms of light-emitting properties and functionality.

[0027] The light source 3 (which, as noted above, may alternatively comprise a multi-chip LED) is mounted on a light source holder 8, which is positioned relative to the lens element 4 such that light emitted by the light source 3 propagates along the optical axis OA of the lens element 4 toward the vehicle body component 5 (described further below). The light source holder 8 and the optically inactive peripheral portion of the lens element 4 form a casing that surrounds the light source 3. The light source holder 8 has a mounting surface 8a to which the light source 3 is mounted. The light source holder 8 is positioned relative to the lens element 4 such that the mounting surface 8a is perpendicular to the optical axis OA of the lens element 4.

[0028] Advantageously, the light source holder 8 may comprise a housing for the light device 2 and a printed circuit board, the printed circuit board being provided with a mounting surface 8a.

[0029] The lighting system 1 comprises a body component 5 arranged downstream of a lens element 4 along a main light propagation direction x. The lens element 4 is configured to emit a first light beam and a second light beam, respectively, towards the body component 5. The body component 5 comprises an opaque portion 6 configured to block the light emitted by the lens element 4, and a plurality of transparent elements 7 embedded in the opaque portion 6 and configured to allow the light emitted from the lens element 4 to pass through the body component 5 along the main light propagation direction x. Adjacent transparent elements 7 are spaced apart from each other by a distance greater than zero in a main plane of the body component 5, the main plane being orthogonal to the main light propagation direction x.

[0030] The plurality of transparent elements 7 is defined by at least one parent group PG of transparent elements 7, which is divided into at least two subgroups SG. At least one, preferably at least two (or more) transparent elements 7 define a first subgroup SG1. At least one, preferably at least two (or more) different transparent elements 7' that are not part of the first subgroup SG1 define a second subgroup SG2. Each transparent element 7 has a similar or different shape in the main plane of the body component 5. In the embodiment shown in Figure 1, the transparent elements 7, 7' are star-shaped and have non-uniform sizes.

[0031] The lens element 4 is configured to redirect a first luminous flux of the first light source 3a towards the first sub-group SG1 of the transparent elements 7 and a second luminous flux of the second light source 3b towards the second sub-group SG2 of the transparent elements 7'. Thus, in an operating state in which the first light source 3a and the second light source 3b emit light, the first sub-group SG1 of the transparent elements 7 and the second sub-group SG2 of the transparent elements 7' are illuminated by the respective light source 3a, 3b. In an operating state in which only one of the at least two light sources 3a, 3b emits light, only one of the at least two sub-groups SG1, SG2 of the transparent elements 7, 7' associated with the luminescent light source 3a, 3b is illuminated.

[0032] 3, the body component 5 has a back surface facing the lens element 4 and a front surface avoiding the lens element 4. The body component 5 is disposed in at least one lighting device 2 so that light emitted from the lens element 4 illuminates the back surface. The distance D between the lens element 4 and the body component 5 is preferably 10 mm to 100 mm, in particular 20 mm.

[0033] 3 shows another embodiment of the body component 5. The transparent element 7 is covered by the opaque portion 6. The opaque portion 6 has three gaps formed therein, each of which has a specific shape and is configured to transmit light. Alternatively, as described above, each transparent element 7, 7' of the plurality of transparent elements 7 is preferably entirely surrounded by the opaque portion 6 of the body component 5.

[0034] The lens element 4 is configured to refract the first and second light beams, respectively, which propagate and preferably converge towards the optical axis OA of the lens element 4. In the illustrated embodiment, the lens element 4 comprises a projection lens that projects the light of the light sources 3, 3a, 3b onto the rear surface of the body component (the projection lens 4 mirrors the light image generated by the lighting device 2). This can be seen in Figure 1, where the light source 3a is located on the right and illuminates the transparent element 7 of SG1 located on the left, while the light source 3b located on the left illuminates the transparent element 7' of SG2 located on the right.

[0035] FIG. 4 shows another embodiment of an illumination system 1, which comprises a plurality of lighting devices 2, a plurality of transparent elements 7 defined by a plurality of parent groups PG.

[0036] 4 shows a radiator grille as an example of a vehicle body component 5. Embedded in the opaque portion 6 are parent groups PG of a total of 17 transparent elements 7. Three of these parent groups PG are indicated by three dashed circles showing an enlarged view of the corresponding parent group PG. Each parent group PG is divided into two subgroups SG1, SG2, each of which is defined by two to five transparent elements 7 (in the illustrated embodiment), in this case stars.

[0037] A lighting device 2 (comprising at least two or more light sources) is associated with each parent group PG, and the illumination of the transparent elements 7, 7' functions as described for the embodiment of Fig. 1. Each lighting device 2 is associated with exactly one parent group PG. The lighting system 1 may comprise a control device (not shown) configured to control the lighting devices 2 and their light sources individually, respectively. [Explanation of symbols]

[0038] 1. Lighting system 2. Lighting equipment 3 light source 3a First light source 3b Second light source 4 Lens Elements 5 Body components 6 Opaque area 7,7' transparent element 8 Holder 8a Mounting surface D distance OA optical axis PG Parent Group SG subgroup SG1 First Subgroup SG2 Second Subgroup x is the main direction of light propagation

Claims

1. A lighting system (1) for a vehicle, comprising: at least one lighting device (2), comprising at least two individually controllable light sources (3 a, 3 b) configured to emit light along a main direction of light propagation (x), and a lens element (4) arranged downstream of the at least two light sources (3 a, 3 b) along the main direction of light propagation (x), the lens element (4) configured to receive a first light beam from a first light source (3 a) of the at least two light sources (3 a, 3 b) and preferably emit the first light beam along the main direction of light propagation (x), and to receive a second light beam from a second light source (3 b) of the at least two light sources (3 a, 3 b) and preferably emit the second light beam along the main direction of light propagation (x); a vehicle body component (5) arranged downstream of the lens element (4) along a main propagation direction (x) of the light, the lens element (4) configured to emit the first light beam and the second light beam, respectively, toward the vehicle body component (5), the vehicle body component (5) comprising: an opaque portion (6) configured to block the light emitted by the lens element (4); and a plurality of transparent elements (7) embedded in the opaque portion (6) configured to allow the light emitted from the lens element (4) to pass through the vehicle body component (5) along the main propagation direction (x) of the light, adjacent transparent elements (7) being spaced apart from each other by a distance greater than zero in a main plane of the vehicle body component (5), preferably the main plane being orthogonal to the main propagation direction (x) of the light; Equipped with The plurality of transparent elements (7) are defined by at least one parent group (PG) of transparent elements (7), the parent group (PG) being divided into at least two subgroups (SG), wherein at least one, preferably at least two, transparent elements (7) define a first subgroup (SG1), and at least one, preferably at least two different transparent elements (7') that are not part of the first subgroup (SG1) define a second subgroup (SG2), the lens element (4) is configured to redirect the first light beam of the first light source (3 a) towards the first sub-group (SG1) of transparent elements (7) and to redirect the second light beam of the second light source (3 b) towards the second sub-group (SG2) of transparent elements (7'), such that in an operating state in which the first light source (3 a) and the second light source (3 b) emit light, the first sub-group (SG1) of transparent elements (7) and the second sub-group (SG2) of transparent elements (7') are illuminated by the respective light source (3 a, 3 b), and in an operating state in which only one of the at least two light sources (3 a, 3 b) emits light, only one of the at least two sub-groups (SG1, SG2) of transparent elements (7, 7') corresponding to the light source (3 a, 3 b) that emits light is illuminated. Lighting system.

2. The vehicle body component (5) has a back surface facing the lens element (4) and a front surface avoiding the lens element (4), the vehicle body component (5) is arranged in the at least one lighting device (2) so that light emitted from the lens element (4) illuminates the rear surface; Each transparent element (7, 7') of the plurality of transparent elements (7) penetrates the vehicle body component (5) from the rear surface to the front surface.

10. The lighting system of claim 1.

3. 3. The lighting system according to claim 1 or 2, wherein each transparent element (7, 7') of the plurality of transparent elements (7) is preferably entirely surrounded by the opaque part (6) of the body component (5).

4. Each transparent element (7) is configured as a through hole formed in said body component (5), the boundary limiting the through hole has a particular shape, for example, a circle, a square, a triangle, an oval, a polygon, or a star; Each through hole is filled with a transparent material.

4. A lighting system according to any one of claims 1 to 3.

5. Each transparent element (7) has a similar or different shape in the main plane of the body component (5), Preferably, the diameter of each shape in the main plane of the body component (5) is equal or different for each transparent element (7); 5. A lighting system according to any one of claims 1 to 4.

6. 6. The lighting system according to any one of claims 1 to 5, wherein the vehicle body component (5) is a front bumper, a rear bumper or a radiator grille, in particular a closed radiator grille, for example for an electric vehicle.

7. the at least two light sources (3 a, 3 b) are arranged at a distance from the lens element (4) along the main propagation direction (x) of the light, said distance being less than the focal length of said lens element (4); Preferably, said at least two light sources (3a, 3b) are arranged around or centered on the optical axis (OA) of said lens element (4); Preferably, the vertical distance between the optical axis (OA) and the first light source (3 a) is equal to the vertical distance between the optical axis (OA) and the second light source (3 b), Preferably, the lens element (4) is arranged with respect to the at least two light sources (3 a, 3 b) such that the optical axis (OA) is parallel to the main propagation direction (x) of the light.

7. A lighting system according to any one of claims 1 to 6.

8. the at least one lighting device (2) includes a multi-chip LED, the first light source (3a) corresponds to a first chip of the multi-chip LED, and the second light source (3b) corresponds to a second chip of the multi-chip LED; or Alternatively, the at least two light sources (3a, 3b) are each configured as a single-chip LED; Alternatively, the at least one lighting device (2) comprises a light-emitting phosphor layer, preferably oriented perpendicular to the main light propagation direction (x), the light-emitting phosphor layer being separated into at least two light-emitting sections by a non-light-emitting separation layer, the first light source (3 a) corresponding to the first light-emitting section and the second light source (3 b) corresponding to the second light-emitting section; 8. A lighting system according to any one of claims 1 to 7.

9. the lens element (4) is configured to refract the first light beam and the second light beam, such that the refracted first light beam and the refracted second light beam, respectively, propagate towards an optical axis (OA) of the lens element (4) and preferably converge; Preferably, the lens element (4) includes a projection lens that projects light from the light source (3, 3a, 3b) onto the rear surface of the vehicle body component (5), Preferably, the lens element (4) comprises a projection lens configured to project the first light bundle towards the first subgroup (SG1) of transparent elements (7) and the second light bundle towards the second subgroup (SG2) of transparent elements (7').

9. A lighting system according to any one of claims 1 to 8.

10. the at least two light sources (3 a, 3 b) are arranged relative to each other and to the lens element (4) such that the first and second light bundles are spaced apart from each other by a distance greater than zero in a plane perpendicular to the optical axis (OA) of the lens element (4); Each light beam preferably illuminates the entire light receiving surface of the lens element (4).

10. A lighting system according to any one of claims 1 to 9.

11. the at least two light sources (3a, 3b) are arranged on a light source holder (8) at a distance greater than zero from each other; the light source holder (8) is arranged relative to the lens element (4) such that a main propagation direction (x) of light emitted by the at least two light sources (3 a, 3 b) is parallel to an optical axis (OA) of the lens element (4) between the at least two light sources (3 a, 3 b) and the lens element (4); Preferably, the light source holder (8) and the peripheral portion of the optically inactive lens element (4) form a casing surrounding the at least two light sources (3 a, 3 b), Preferably, the light source holder (8) comprises a mounting surface (8a) on which the at least two light sources (3a, 3b) are mounted; The light source holder (8) is arranged relative to the lens element (4) so ​​that the mounting surface (8a) is perpendicular to the optical axis (OA) of the lens element (4).

11. A lighting system according to any one of claims 1 to 10.

12. said at least one lighting device (2) comprising three, four or more light sources (3, 3a, 3b); Each light source (3, 3a, 3b) is configured to emit a luminous flux along a main propagation direction (x) of said light, the lens element (4) is configured to receive light beams from all the light sources (3, 3a, 3b) and redirect the light beams towards the vehicle body component (5); said at least one parent group (PG) of transparent elements (7) comprises a plurality of subgroups (SG), the number of said plurality of subgroups (SG) corresponding to the number of light sources (3, 3a, 3b) of said at least one lighting device (2); Each subgroup (SG) of transparent elements (7) is associated with a particular light source (3, 3a, 3b), the lens element (4) is configured to redirect light received from a particular light source (3, 3a, 3b) towards the subgroup (SG) of transparent elements (7) with which the particular light source (3, 3a, 3b) is associated, Preferably, the lighting system (1) comprises a control device configured to individually control three, four or more light sources (3, 3a, 3b) of the lighting device (2).

12. A lighting system according to any one of claims 1 to 11.

13. The lighting system (1) comprises a plurality of lighting devices (2), said plurality of transparent elements (7) being defined by a plurality of parent groups (PG); each lighting device (2) is associated with one parent group (PG) of the plurality of parent groups (PG) so that light emitted by a particular lighting device (2) illuminates the transparent elements (7) of the parent group (PG) with which the particular lighting device (2) is associated, and light emitted by a particular light source (3, 3a, 3b) of the particular lighting device (2) illuminates one subgroup (SG) corresponding to the particular light source (3, 3a, 3b) and which is part of the parent group (PG) associated with the particular lighting device (2); Preferably, each lighting device (2) is associated with exactly one parent group (PG), Preferably, the lighting system (1) comprises a control device configured to individually control the plurality of lighting devices (2) and the individual light sources (3, 3a, 3b) of each of the plurality of lighting devices (2).

13. A lighting system according to any one of claims 1 to 12.

14. A subgroup (SG) is defined by three or more transparent elements (7), Preferably, a parent group (PG) is defined by three or more subgroups (SG), 14. A lighting system according to any one of claims 1 to 13.

15. A vehicle comprising a lighting system (1) according to any one of claims 1 to 14.

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