ALEXANDRIA, Va., June 16 -- United States Patent no. 12,310,150, issued on May 20, was assigned to OSRAM Opto Semiconductors GmbH (Regensburg, Germany).

"Optoelectronic device having a photonic crystal structure" was invented by Ali Mahdavi (Munich).

According to the abstract* released by the U.S. Patent & Trademark Office: "An optoelectronic device includes at least one optoelectronic light source having an active region for generating light and a light emitting surface for emitting the generated light, an electrically conductive layer extending between the light emitting surface and the active region, and a photonic crystal structure. The photonic crystal structure is arranged in the electrically conductive layer. The at least one optoe...