ALEXANDRIA, Va., June 17 -- United States Patent no. 12,313,237, issued on May 27, was assigned to Hella GmbH & Co. KGaA (Lippstadt, Germany).
"Lighting device for vehicles" was invented by Martin Muegge (Geseke, Germany) and Dirk Wilmes (Geseke, Germany).
According to the abstract* released by the U.S. Patent & Trademark Office: "A lighting device for a vehicle, including a light source that is arranged on a circuit board, and a flat light guide, wherein a narrow side of the flat light guide is provided for coupling in light that is emitted by the light source. Oppositely arranged flat sides of the flat light guide are provided for relaying the coupled-in light via total reflection at the flat sides, and including a micro-optics structur...