ALEXANDRIA, Va., May 5 -- United States Patent no. 12,619,138, issued on May 5, was assigned to SEIKO EPSON Corp. (Tokyo).
"Illuminator and projector" was invented by Shigekazu Aoki (Matsumoto-Shi, Japan) and Shoichi Uchiyama (Shimosuwa-Machi, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "An illuminator includes a light source that emits light; a collimator that parallelizes the light emitted from the light source; a first lens array that receives the light parallelized by the collimator and includes multiple first lenslets; a second lens array that receives light emitted from the first lens array and includes multiple second lenslets; and a light condenser that focuses light emitted from the second l...