US Patent Issued to SONY GROUP on Oct. 14 for "Eye information detection device and image display apparatus" (Japanese Inventor)

ALEXANDRIA, Va., Oct. 21 -- United States Patent no. 12,443,039, issued on Oct. 14, was assigned to SONY GROUP Corp. (Tokyo).

"Eye information detection device and image display apparatus" was invented by Yuki Mamishin (Tokyo).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present technology provides an eye information detection device including two or more non-visible light sources, a diffractive optical element, and a light reception system. The two or more non-visible light sources have different light emission wavelengths. The diffractive optical element is disposed on an optical path of non-visible light emitted from each of the two or more non-visible light sources and reflected by an eye. The light...