US 12,241,607 B2
Light guide for a lighting device of a vehicle and lighting device with such a light guide
Stefan Köhler, Lippstadt (DE)
Assigned to Hella GmbH & Co. KGaA, Lippstadt (DE)
Filed by Hella GmbH & Co. KGaA, Lippstadt (DE)
Filed on Jul. 11, 2024, as Appl. No. 18/770,195.
Application 18/770,195 is a division of application No. 17/935,819, filed on Sep. 27, 2022.
Application 17/935,819 is a continuation of application No. PCT/EP2020/059986, filed on Apr. 8, 2020.
Prior Publication US 2024/0360969 A1, Oct. 31, 2024
Int. Cl. F21S 41/24 (2018.01)
CPC F21S 41/24 (2018.01) 12 Claims
OG exemplary drawing
 
1. A light guide for a lighting device of a vehicle, the light guide comprising:
an entrance surface into which light enters,
at least one lateral exit surface from which a portion of the light that has entered exits,
an end region having a plurality of cones through which a portion of the light that has entered exits, each cone including a peak and a circular base, and
a crevice positioned between each pair of adjacent cones,
wherein the end region is structured such that a portion of light which laterally emerges from the region adjacent to the end region after reflection at or in the end region is reduced.