ALEXANDRIA, Va., June 5 -- United States Patent no. 12,277,887, issued on April 15, was assigned to Samsung Display Co. Ltd. (Yongin-si, South Korea).

"Method of detecting stain of display panel, method of compensating stain of display panel including the same and display apparatus configured to perform the same" was invented by Huisu Kim (Busan, South Korea), Seyun Kim (Hwaseong-si, South Korea), Hyungwoo Yim (Hwaseong-si, South Korea), Hakmo Choi (Seoul, South Korea), Seungho Park (Suwon-si, South Korea) and Kyung-Sik Joo (Cheonan-si, South Korea).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method of detecting a stain of a display panel is disclosed that includes capturing a first color image of the di...