US 12,275,348 B2
Lighting device for a vehicle steering wheel and vehicle steering wheel
Boubacar Sagna, Paris (FR)
Assigned to Autoliv Development AB, Vårgårda (SE)
Appl. No. 18/261,422
Filed by Autoliv Development AB, Vargarda (SE)
PCT Filed Jan. 19, 2022, PCT No. PCT/EP2022/051093
§ 371(c)(1), (2) Date Jul. 13, 2023,
PCT Pub. No. WO2022/157177, PCT Pub. Date Jul. 28, 2022.
Claims priority of application No. 2100537 (FR), filed on Jan. 20, 2021.
Prior Publication US 2024/0067082 A1, Feb. 29, 2024
Int. Cl. B60Q 3/283 (2017.01); B60K 35/00 (2006.01); B60Q 3/62 (2017.01); B62D 1/06 (2006.01); B60K 35/60 (2024.01)
CPC B60Q 3/283 (2017.02) [B60K 35/00 (2013.01); B60Q 3/62 (2017.02); B62D 1/06 (2013.01); B60K 35/60 (2024.01); B60K 2360/336 (2024.01); B60K 2360/782 (2024.01)] 16 Claims
OG exemplary drawing
 
1. A lighting device for a vehicle steering wheel rim, comprising:
at least two light sources,
a unitary light diffuser comprising a collecting face and a diffusion face with continuous, translucent material extending between the collecting face and the diffusion face, wherein the light diffuser is arranged so as to transmit light transmitted by the light sources to an occupant of the vehicle when the lighting device is integrated in the rim,
characterized in that the collecting face comprises at least two protrusions positioned with respect to the light sources such that the light transmitted by the diffusion face is uniform, wherein the light diffuser is positioned adjacent to the light sources so as to receive light from the light sources directly, and wherein the diffusion face of the light diffuser is directly visible by the occupant of the vehicle, and wherein the at least two protrusions are placed opposite the light sources.