ALEXANDRIA, Va., Dec. 9 -- United States Patent no. 12,493,232, issued on Dec. 9, was assigned to AMS-OSRAM ASIA PACIFIC PTE. LTD. (Singapore).
"Projecting with expanded field of illumination" was invented by Yi Yu Cao (Pudong New District, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "An optical device includes an imaging system provided to generate a plurality of images being distributed over an imaging plane. It further includes a micro-lens-array, MLA, wherein micro-lenses are assigned to individual images and are provided to form channels of light beams by projecting the individual images towards a projecting plane. An optical expander is arranged between the MLA and the projecting plane and incl...