ALEXANDRIA, Va., Sept. 23 -- United States Patent no. 12,422,705, issued on Sept. 23, was assigned to LG Display Co. Ltd. (Seoul, South Korea).
"Display apparatus having a viewing angle control unit" was invented by Jae Hong Song (Paju-si, South Korea), Kyu Hyun Seo (Paju-si, South Korea) and Sung Gu Kang (Paju-si, South Korea).
According to the abstract* released by the U.S. Patent & Trademark Office: "A display apparatus having a viewing angle control unit is provided. The viewing angle control unit may be disposed between a back-light unit and a liquid crystal panel. The viewing angle control unit may include a control liquid crystal layer disposed between a lower electrode and an upper electrode. The viewing angle control unit may be ...