ALEXANDRIA, Va., Aug. 26 -- United States Patent no. 12,398,283, issued on Aug. 26, was assigned to Samsung Display Co. Ltd. (Yongin-si, South Korea).
"Ink composition and method for manufacturing light emitting element" was invented by Junbo Sim (Suwon-si, South Korea), Dukki Kim (Suwon-si, South Korea), Sehun Kim (Yongin-si, South Korea), Hyojin Ko (Seoul, South Korea) and Jaekook Ha (Seoul, South Korea).
According to the abstract* released by the U.S. Patent & Trademark Office: "An ink composition for forming an electron transport region in a light emitting element includes inorganic nanoparticles and a first solvent having a Hansen solubility parameter hydrogen bonding term (DeltaH) value of 5 or less in order to increase dispersion s...