ALEXANDRIA, Va., Aug. 25 -- United States Patent no. 12,721,034, issued on Aug. 25, was assigned to SAMSUNG ELECTRONICS Co. LTD. (Gyeonggi-Do, South Korea) and SAMSUNG DISPLAY Co. LTD. (Gyeonggi-Do, South Korea).

"Electroluminescent device and semiconductor nanoparticle" was invented by Won Sik Yoon (Seoul, South Korea), Kwanghee Kim (Seoul, South Korea), Tae Hyung Kim (Seoul, South Korea), Eun Joo Jang (Suwon-si, South Korea), Enjung Kim (Suwon-si, South Korea) and Dae-Hee Lee (Hwaseong-si, South Korea).

According to the abstract* released by the U.S. Patent & Trademark Office: "An electroluminescent device including a first electrode, a second electrode, and a light emitting layer disposed between the first electrode and the second elec...