ALEXANDRIA, Va., March 26 -- United States Patent no. 12,258,504, issued on March 25, was assigned to Samsung Display Co. Ltd. (Yongin-si, South Korea).

"Method for manufacturing a light emitting element including a quantum dot composition" was invented by Changhee Lee (Seoul, South Korea), Dukki Kim (Suwon-si, South Korea), Hyojin Ko (Seoul, South Korea), Sehun Kim (Yongin-si, South Korea), Jaehoon Kim (Seoul, South Korea), Hyunmi Doh (Seoul, South Korea), Yunku Jung (Cheonan-si, South Korea) and Jaekook Ha (Seoul, South Korea).

According to the abstract* released by the U.S. Patent & Trademark Office: "A quantum dot composition includes a quantum dot, and a ligand bonded to a surface of the quantum dot, wherein the ligand includes a hea...