Generating a light emission pattern in a far field
View Patent ↗A lighting device for a headlight for generating a light emission pattern in a far field is provided. The lighting device includes at least two phosphor surfaces arranged rotationally movably between different positions, and at least one light source spaced apart from the phosphor surfaces and serving for emitting primary light for illuminating a portion of the phosphor surfaces. An associated predetermined light emission pattern is generatable in respectively exactly one predetermined position of the phosphor surfaces.
1. A lighting device for a headlight for generating a light emission pattern in a far field, the lighting device comprising:
at least two phosphor surfaces arranged rotationally movably between different positions;
at least one light source spaced apart from the phosphor surfaces and serving for emitting primary light for illuminating a portion of the phosphor surfaces;
wherein an associated predetermined light emission pattern is generatable in respectively exactly one predetermined position of the phosphor surfaces; and
wherein the headlight is a vehicle headlight.
2. The lighting device of claim 1 ;
wherein at least two different light emission patterns have a different shape.
3. The lighting device of claim 1 ,
wherein at least two different light emission patterns have a different light color.
4. The lighting device of claim 1 ,
wherein at least two different light emission patterns have a different color distribution.
5. The lighting device of claim 1 ,
wherein at least two different light emission patterns have a differently white light color.
6. The lighting device of claim 1 ,
wherein a light emission pattern is generatable by means of at least one primary light beam aligned in a stationary fashion.
7. The lighting device of claim 1 ,
wherein a light emission pattern is generatable by a movement of at least one primary light beam.
8. The lighting device of claim 1 ,
wherein the phosphor surfaces are arranged fixedly on a rotatable carrier.
9. The lighting device of claim 7 ,
wherein the phosphor surfaces are rotatable in a plane.
10. The lighting device of claim 1 ,
wherein the light emission pattern is generatable by a simultaneous illumination of a plurality of rotationally movable phosphor surfaces.
11. The lighting device of claim 10 ,
wherein the light emission pattern is generatable by a simultaneous illumination of a plurality of individually movable phosphor surfaces.
12. The lighting device of claim 1 ,
wherein the headlight is an Adaptive Frontlighting System headlight.
13. The lighting device of claim 1 ,
wherein the headlight is an Adaptive Driving Beam headlight.
14. A lighting device for a headlight for generating a light emission pattern in a far field, the lighting device comprising:
at least two phosphor surfaces arranged rotationally movably between different positions;
at least one light source spaced apart from the phosphor surfaces and serving for emitting primary light for illuminating a portion of the phosphor surfaces;
wherein an associated predetermined light emission pattern is generatable in respectively exactly one predetermined position of the phosphor surfaces; and
wherein at least two different light emission patterns have a different shape.
15. The lighting device of claim 14 ,
wherein at least two different light emission patterns have a different color distribution.
16. The lighting device of claim 14 ,
wherein at least two different light emission patterns have a differently white light color.
17. The lighting device of claim 14 ,
wherein a light emission pattern is generatable by means of at least one primary light beam aligned in a stationary fashion.
18. The lighting device of claim 14 ,
wherein a light emission pattern is generatable by a movement of at least one primary light beam.
19. A lighting device for a headlight for generating a light emission pattern in a far field, the lighting device comprising:
at least two phosphor surfaces arranged rotationally movably between different positions;
at least one light source spaced apart from the phosphor surfaces and serving for emitting primary light for illuminating a portion of the phosphor surfaces;
wherein an associated predetermined light emission pattern is generatable in respectively exactly one predetermined position of the phosphor surfaces; and
wherein the light emission pattern is generatable by a simultaneous illumination of a plurality of rotationally movable phosphor surfaces.
20. The lighting device of claim 19 ,
wherein the light emission pattern is generatable by a simultaneous illumination of a plurality of individually movable phosphor surfaces.