ALEXANDRIA, Va., March 26 -- United States Patent no. 12,259,573, issued on March 25, was assigned to VITREALAB GMBH (Wein, Austria).
"Optical device and display panel" was invented by Chiara Greganti (Vienna) and Jonas Zeuner (Vienna).
According to the abstract* released by the U.S. Patent & Trademark Office: "The present application concerns an optical device for controlling light, the optical device including: a first waveguide for receiving a light beam from an external light source, at least a second waveguide, an optical coupler for coupling a light beam from the first waveguide to the second waveguide, a beam shaping structure with a light emitting area for emitting a light beam, wherein the second waveguide is configured to guide ...