ALEXANDRIA, Va., May 19 -- United States Patent no. 12,635,397, issued on May 19, was assigned to Sharp Display Technology Corp. (Kameyama City, Japan).
"Light-emitting element, light-emitting device, and method of manufacturing light-emitting element" was invented by Hisayuki Utsumi (Kameyama City, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A light-emitting element includes: an anode; a cathode; an EML therebetween; and an HIL in contact with the anode between the anode and the EML. The anode contains a metal oxide, the HIL contains PVP and PEDOT:PSS, and the HIL contains the PVP in an amount of from 0.16 parts by weight inclusive to 1.5 parts by weight exclusive per unit part by weight of the PSS...