ALEXANDRIA, Va., Sept. 15 -- United States Patent no. 12,735,635, issued on Sept. 15, was assigned to Samsung Display Co. Ltd. (Yongin-si, South Korea).

"Light emitting device" was invented by Mun-Ki Sim (Seoul, South Korea), Taeil Kim (Hwaseong-si, South Korea), Sun Young Pak (Suwon-si, South Korea), Junha Park (Gwacheon-si, South Korea), Jang Yeol Baek (Yongin-si, South Korea), Kyoung Sunwoo (Hwaseong-si, South Korea), Chanseok Oh (Seoul, South Korea) and Minjung Jung (Gangwon-do, South Korea).

According to the abstract* released by the U.S. Patent & Trademark Office: "A light emitting device includes a first electrode, a hole transport region disposed on the first electrode, an emission layer disposed on the hole transport region, an e...