ALEXANDRIA, Va., June 6 -- United States Patent no. 12,284,905, issued on April 22, was assigned to Samsung Display Co. Ltd. (Yongin-si, South Korea).

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

According to the abstract* released by the U.S. Patent & Trademark Office: "Provided is a light emitting device including a first electrode, a second electrode, and an emission layer between the first electrode and the second electrode, and the emi...