A universal thermally activated delayed fluorescent host with short triplet lifetime for highly efficient phosphorescent OLEDs with extremely low efficiency roll-off
Bangjin Sun, Kai‐Ning Tong, Xing Chen, Jianli He, Han Liu, Man‐Keung Fung, Jian Fan
Abstract
A universal TADF host material with a small singlet–triplet energy gap was developed for phosphorescent OLEDs.
Topics & Concepts
PhosphorescenceOLEDMaterials scienceFluorescenceSinglet stateOptoelectronicsHost (biology)Phosphorescent organic light-emitting diodePhotochemistryNanotechnologyOpticsChemistryAtomic physicsPhysicsExcited stateBiologyEcologyLayer (electronics)Organic Light-Emitting Diodes ResearchOrganic Electronics and PhotovoltaicsLuminescence and Fluorescent Materials