ALEXANDRIA, Va., Feb. 11 -- United States Patent no. 12,549,694, issued on Feb. 10, was assigned to SEIKO EPSON Corp. (Tokyo).
"Illuminator and projector" was invented by Koichi Akiyama (Azumino, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "An illuminator includes a first light source that outputs first light having a first wavelength band, a second light source that outputs second light having a second wavelength band different from the first wavelength band, a light combining member that combines the first light and the second light with each other and outputs combined light, a diffuser that diffuses the combined light incident thereon, a light collector that collects the combined light and directs...