ALEXANDRIA, Va., Nov. 6 -- United States Patent no. 12,461,499, issued on Nov. 4, was assigned to SAMSUNG DISPLAY Co. LTD. (Gyeonggi-Do, South Korea).

"Programmable logic controller control device and method thereof" was invented by Yunmin Seo (Hwaseong-si, South Korea), Daegeon Kim (Cheonan-si, South Korea), Jaegeun Cho (Asan-si, South Korea) and Sungbog Ku (Suwon-si, South Korea).

According to the abstract* released by the U.S. Patent & Trademark Office: "A programmable logic controller (PLC) control device includes: a plurality of main blocks, each of which controls a corresponding one of a plurality of upper modules in a facility; a plurality of sub-blocks included in each of the plurality of main blocks and each of which controls a c...