ALEXANDRIA, Va., March 19 -- United States Patent no. 12,255,490, issued on March 18, was assigned to SAMSUNG ELECTRONICS Co. LTD. (Suwon-si, South Korea).
"Display apparatus and control method thereof" was invented by Moonyoung Kim (Suwon-si, South Korea), Jeongil Kang (Suwon-si, South Korea) and Keonwoo Kim (Suwon-si, South Korea).
According to the abstract* released by the U.S. Patent & Trademark Office: "A display apparatus is disclosed. The display apparatus includes: a backlight; a main circuit; a power supply configured to output a first power to drive the backlight and a second power to drive the main circuit; a first battery configured to be charged by the first power and supply power to the backlight; a second battery which is c...