ALEXANDRIA, Va., March 26 -- United States Patent no. 12,262,633, issued on March 25, was assigned to DuPont Specialty Materials Korea Ltd. (South Korea).
"Organic electroluminescent compound and organic electroluminescent device comprising the same" was invented by Jin-Ri Hong (Gyeonggi-do, South Korea), Doo-Hyeon Moon (Gyeonggi-do, South Korea), Du-Yong Park (Gyeonggi-do, South Korea) and Young-Mook Lim (Gyeonggi-do, South Korea).
According to the abstract* released by the U.S. Patent & Trademark Office: "The present disclosure relates to an organic electroluminescent compound represented by formula 1 and an organic electroluminescent device comprising the same. By comprising the organic electroluminescent compound of the present disclo...