US 12,392,466 B2
Illumination apparatus for a motor vehicle
Bernd Fischer, Altenbeken (DE); Marc Kaup, Paderborn (DE); and Dirk Kliebisch, Paderborn (DE)
Assigned to Hella GmbH & Co. KGaA, Lippstadt (DE)
Filed by HELLA GmbH & Co. KGaA, Lippstadt (DE)
Filed on Mar. 1, 2023, as Appl. No. 18/116,077.
Application 18/116,077 is a continuation of application No. PCT/EP2021/074115, filed on Sep. 1, 2021.
Claims priority of application No. 10 2020 122 896.1 (DE), filed on Sep. 2, 2020.
Prior Publication US 2023/0204174 A1, Jun. 29, 2023
Int. Cl. F21S 41/20 (2018.01); F21S 41/255 (2018.01)
CPC F21S 41/255 (2018.01) [F21S 41/285 (2018.01)] 16 Claims
OG exemplary drawing
 
1. An illumination apparatus for a motor vehicle, the apparatus comprising:
at least one light source, from which light is emitted when the illumination apparatus is in operation;
a collimation optical system through which, when the illumination apparatus is in operation, the light emitted from the at least one light source passes at least in part; and
a secondary optical system with at least one array of cylinder lenses which are arranged adjacently on a face and through which, when the illumination apparatus is in operation, the light emitted by the collimation optical system passes at least in part, the secondary optical system having an entry face and an exit face for the light emitted by the collimation optical system,
wherein the secondary optical system is arranged in the illumination apparatus in such a way that the exit face of the secondary optical system forms an angle unequal to 0° or unequal to 180° with the vertical when the illumination apparatus is installed in the motor vehicle, and
wherein the entry face of the secondary optical system and/or the face on which the at least one array of cylinder lenses is arranged forms an angle unequal to 0° or unequal to 180° with the exit face of the secondary optical system.