ALEXANDRIA, Va., Feb. 11 -- United States Patent no. 12,547,078, issued on Feb. 10, was assigned to Samsung Display Co. Ltd. (Yongin-si, South Korea).
"Exposure mask and method of manufacturing display device using the same" was invented by Soohong Cheon (Seoul, South Korea) and Hyungjin Song (Hwaseong-si, South Korea).
According to the abstract* released by the U.S. Patent & Trademark Office: "An exposure mask includes a base layer including a first area and a second area spaced apart from a first area in a first direction, a first inspection transmission pattern defined in a first area of a base layer and arranged in a ring shape having at least one connection part in plan view, and a second inspection transmission pattern defined in a ...