US Patent Issued to Arisawa on Feb. 24 for "Three-dimensional display device and circularly polarized glasses" (Japanese Inventors)

ALEXANDRIA, Va., Feb. 24 -- United States Patent no. 12,560,821, issued on Feb. 24, was assigned to Arisawa MFG. Co. Ltd. (Niigata, Japan).

"Three-dimensional display device and circularly polarized glasses" was invented by Shigehiko Kon (Niigata, Japan), Yasuaki Umezawa (Niigata, Japan), Kazuhiro Ura (Niigata, Japan) and Tatsuya Sato (Niigata, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A three-dimensional display device includes: a first image display that outputs linearly polarized first image light; a second image display that outputs linearly polarized second image light; a first retardation plate that modulates and converts the first image light output from the first image display to first ell...