ALEXANDRIA, Va., Dec. 2 -- United States Patent no. 12,486,448, issued on Dec. 2, was assigned to INDUSTRY-ACADEMIC COOPERATION FOUNDATION, YONSEI UNIVERSITY (Seoul, South Korea).

"Perovskite compound-based electroluminescent layer and light emitting device comprising same" was invented by Jiwon Kim (Seoul, South Korea), Dongjun Kim (Incheon, South Korea), Seoyeah Oh (Bucheon-si, South Korea), Jihyeon Park (Incheon, South Korea), Geonho Kim (Jeonju-si, South Korea), Jiyeon Lee (Cheongju-si, South Korea) and Seoyoung Yoon (Cheonan-si, South Korea).

According to the abstract* released by the U.S. Patent & Trademark Office: "An electroluminescent layer according to the present invention comprises a core-shell particle comprising a perovskite...