ALEXANDRIA, Va., Dec. 2 -- United States Patent no. 12,490,648, issued on Dec. 2, was assigned to Samsung Display Co. Ltd. (Yongin-si, South Korea).

"Heterocyclic compound, light-emitting device including the same, and electronic apparatus including the light-emitting device" was invented by Seulong Kim (Yongin-si, South Korea), Pilgu Kang (Yongin-si, South Korea), Hajin Song (Yongin-si, South Korea), Jihwan Yoon (Yongin-si, South Korea), Yangjin Cho (Yongin-si, South Korea), Jungho Choi (Yongin-si, South Korea) and Jaehoon Hwang (Yongin-si, South Korea).

According to the abstract* released by the U.S. Patent & Trademark Office: "Provided are a heterocyclic compound, a light-emitting device including the heterocyclic compound, and an elec...