ALEXANDRIA, Va., Dec. 2 -- United States Patent no. 12,487,514, issued on Dec. 2, was assigned to SEIKO EPSON Corp. (Tokyo).
"Light source device and projector" was invented by Koichi Akiyama (Azumino, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A light source device includes a substrate having a supporting surface, a first light source disposed at the substrate and emitting a first light, a first optical member having a first optical layer facing the supporting surface and reflecting the first light, a first wavelength conversion layer having a light incident surface and converting the first light into second light, a light emitting portion formed by at least the substrate and the first optical mem...