ALEXANDRIA, Va., June 5 -- United States Patent no. 12,279,518, issued on April 15, was assigned to SAMSUNG DISPLAY Co. LTD. (Gyeonggi-Do, South Korea).

"Organic light-emitting device" was invented by Sun Woo Kang (Yongin-si, South Korea), Sang Ho Jeon (Yongin-si, South Korea) and Young Mi Cho (Yongin-si, South Korea).

According to the abstract* released by the U.S. Patent & Trademark Office: "Provided is an organic light-emitting device including: an anode; a cathode facing the anode; and an organic layer arranged between the anode and the cathode and including an emission layer and an auxiliary layer, wherein the emission layer is in direct contact with the auxiliary layer, the emission layer includes a dopant, the auxiliary layer inclu...