ALEXANDRIA, Va., June 19 -- United States Patent no. 12,331,924, issued on June 17, was assigned to AMS-OSRAM ASIA PACIFIC PTE. LTD. (Singapore).
"Illumination apparatus" was invented by Bassam Hallal (Thalwil, Switzerland), Alessandro Piotto (Thalwil, Switzerland) and Nicolino Stasio (Zurich).
According to the abstract* released by the U.S. Patent & Trademark Office: "An illumination apparatus includes a periodic microlens array (MLA) including microlenses arranged with a first pitch d1 in a first direction. The illumination apparatus also includes a first set of first radiation-emitting elements arranged with a second pitch d2 being an integer multiple of the first pitch d1 and configured to generate, in cooperation with the MLA, a stru...