ALEXANDRIA, Va., Sept. 8 -- United States Patent no. 12,733,551, issued on Sept. 8, was assigned to Samsung Display Co. Ltd. (Yongin-si, South Korea).

"Apparatus for manufacturing display device and method of manufacturing display device" was invented by Hyung Jun Yu (Yongin-si, South Korea), Jong Won Kim (Yongin-si, South Korea) and Sung Ho Park (Yongin-si, South Korea).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method of manufacturing a display device includes discharging ink including light emitting elements onto a substrate; applying a first electric field to the substrate to fix the light emitting elements; removing foreign substances from the substrate by using a cleaning device in a state in whic...