ALEXANDRIA, Va., Dec. 31 -- United States Patent no. 12,509,627, issued on Dec. 30, was assigned to Samsung Display Co. Ltd. (Yongin-si, South Korea).

"Nano composite, a nanoparticle ink composition including same, and a light-emitting device including the nanoparticle ink composition" was invented by Yunku Jung (Yongin-si, South Korea), Hyunmi Doh (Yongin-si, South Korea), Jaekook Ha (Yongin-si, South Korea), Sungwoon Kim (Yongin-si, South Korea), Jongwoo Shin (Yongin-si, South Korea) and Hyekyoung Choi (Yongin-si, South Korea).

According to the abstract* released by the U.S. Patent & Trademark Office: "A nano composite, a nanoparticle ink composition including a solvent and the nanocomposite, and a light-emitting device including a firs...