US 12,291,144 B2
Vehicle illumination device with edge-lit light guide and colored mask
Johannes Goetzelmann, Altertheim (DE); Klaus Muenker, Griesstaett (DE); Michael Wurster, Esslingen (DE); and Tobias Weyer, Cologne (DE)
Assigned to Magna Exteriors GmbH, Sailauf (DE)
Filed by Magna Exteriors GmbH, Sailauf (DE)
Filed on Sep. 20, 2023, as Appl. No. 18/370,455.
Claims priority of application No. 102022210250 (DE), filed on Sep. 28, 2022.
Prior Publication US 2024/0101022 A1, Mar. 28, 2024
Int. Cl. B60Q 1/26 (2006.01); B32B 27/08 (2006.01); B32B 27/30 (2006.01); B32B 27/36 (2006.01); B60R 13/04 (2006.01); F21S 43/249 (2018.01)
CPC B60Q 1/26 (2013.01) [B32B 27/08 (2013.01); B32B 27/308 (2013.01); B32B 27/365 (2013.01); B60R 13/04 (2013.01); F21S 43/249 (2018.01); B32B 2250/02 (2013.01); B32B 2250/24 (2013.01); B32B 2255/10 (2013.01); B32B 2307/4023 (2013.01); B32B 2307/41 (2013.01); B32B 2307/412 (2013.01); B32B 2605/08 (2013.01)] 19 Claims
OG exemplary drawing
 
1. An Illumination device for a motor vehicle, comprising:
a transparent light guide made of thermoplastic material, the light guide having a visible side, a rear side, and side faces;
a plurality of local structures formed on the rear side of the light guide;
a housing element with a bottom face and side faces, the housing element encloses the rear side and at least a portion of the side faces of the light guide;
a first color coating provided on the bottom face of the housing element;
an air gap formed between the color coating on the bottom face of the housing and the rear side of the light guide;
at least one light source arranged in the housing element, the at least one light source configure to project light into at least one side face of the light guide; and
a second color coating arranged to cover the at least one light source,
wherein light from the at least one light source enters the light guide through the side face, and is redirected by the plurality of local structures to exit the light guide through at least a portion of the visible side.