title: Stable blue thermally activated delayed fluorescent organic light-emitting diodes with three times longer lifetime than phosphorescent organic light-emitting diodes.
abstract: High quantum efficiency above 18% and extended lifetime three times longer than that of phosphorescent organic light-emitting diodes (OLEDs) are demonstrated in blue thermally activated delayed fluorescent OLEDs.
authors.affiliation: Department of Polymer Science and Engineering, Dankook University, 126, Jukjeon-dong, Suji-gu, Yongin, Gyeonggi, 448-701, Korea.
authors.forename: Mounggon
authors.initials: M
authors.lastname: Kim
authors.forename: Sang Kyu
authors.initials: SK
authors.lastname: Jeon
authors.forename: Seok-Ho
authors.initials: SH
authors.lastname: Hwang
authors.forename: Jun Yeob
authors.initials: JY
authors.lastname: Lee
keywords: blue device; carbazole; delayed fluorescence; efficiency; lifetime; triazine