US 11,867,370 B2
Lighting device for multiple automotive lighting functions
Marcus Jozef Henricus Kessels, Echt (NL); and Aloke Gaur, San Jose, CA (US)
Assigned to LUMILEDS LLC, San Jose, CA (US)
Filed by LUMILEDS HOLDING B.V., Schiphol (NL)
Filed on Feb. 13, 2019, as Appl. No. 16/275,026.
Prior Publication US 2020/0254920 A1, Aug. 13, 2020
Int. Cl. F21S 41/24 (2018.01); F21S 43/14 (2018.01); F21S 43/249 (2018.01); F21S 43/16 (2018.01); F21S 41/147 (2018.01); F21Y 115/10 (2016.01); B60Q 1/00 (2006.01); B60Q 1/26 (2006.01); B60Q 1/14 (2006.01); B60Q 1/34 (2006.01); B60Q 1/44 (2006.01); F21S 41/176 (2018.01); F21Y 113/13 (2016.01)
CPC F21S 41/24 (2018.01) [B60Q 1/0047 (2013.01); B60Q 1/14 (2013.01); B60Q 1/2607 (2013.01); B60Q 1/34 (2013.01); B60Q 1/44 (2013.01); F21S 41/147 (2018.01); F21S 41/176 (2018.01); F21S 43/14 (2018.01); F21S 43/16 (2018.01); F21S 43/249 (2018.01); B60Q 2400/20 (2013.01); B60Q 2400/30 (2013.01); F21Y 2113/13 (2016.08); F21Y 2115/10 (2016.08)] 15 Claims
OG exemplary drawing
 
1. An automotive lighting device, comprising:
a first lighting unit configured to emit a first light of a first colour, the first lighting unit including at least a first light guide;
a second lighting unit configured to emit a second light of a second colour corresponding to a second automotive lighting function, the second lighting unit including at least a second light guide, the second lighting unit being substantially surrounded by said first lighting unit; and
a mixing space spatially separated from at least one of the first lighting unit and the second lighting unit, the mixing space including at least one optical element included within the mixing space, the at least one optical element configured to alter an emission direction of light emitted from at least one of the first lighting unit and the second lighting unit to merge the first light and the second light to a third light of a third colour corresponding to a first automotive lighting function, the mixing space including at least a third light guide.