US Patent Issued to Japan Display, Osaka University on May 20 for "Alignment processing device and manufacturing method of liquid crystal optical element" (Japanese Inventors)

ALEXANDRIA, Va., June 16 -- United States Patent no. 12,306,500, issued on May 20, was assigned to Japan Display Inc. (Tokyo) and Osaka University (Osaka, Japan).

"Alignment processing device and manufacturing method of liquid crystal optical element" was invented by Koichi Igeta (Tokyo), Ayaka Higuchi (Tokyo), Junji Kobashi (Tokyo), Yasushi Tomioka (Tokyo), Shinichiro Oka (Tokyo) and Hiroyuki Yoshida (Suita, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "According to one embodiment, an alignment processing device includes a light source, a polarizing beam splitter, a first optical system, a second optical system, a first retardation film, a second retardation film, a moving mechanism configured to mov...