ALEXANDRIA, Va., Oct. 28 -- United States Patent no. 12,449,708, issued on Oct. 21, was assigned to LG DISPLAY Co. LTD. (Seoul, South Korea).
"Light path control device" was invented by Youngki Song (Paju-si, South Korea).
According to the abstract* released by the U.S. Patent & Trademark Office: "A light path control device includes a substrate, a first viewing angle control member on the substrate comprising a first electrode, a second electrode, and a liquid crystal layer between the first electrode and the second electrode, and a second viewing angle control member on the first viewing angle control member comprising light shielding patterns patterned at predetermined intervals."
The patent was filed on July 7, 2023, under Applicatio...