ALEXANDRIA, Va., Aug. 12 -- United States Patent no. 12,389,743, issued on Aug. 12, was assigned to SAMSUNG DISPLAY Co. LTD. (Yongin-si, South Korea).

"Light-emitting device and electronic apparatus including the same" was invented by Hyomin Ko (Yongin-si, South Korea) and Bora Lee (Yongin-si, South Korea).

According to the abstract* released by the U.S. Patent & Trademark Office: "A light-emitting device includes an electron transport layer, and the electron transport layer include a mixture of a first material, a second material, and a third material, wherein the first material includes an electron transport compound, the second material includes a metal-containing material, and the third material includes a low-refractive-index compoun...