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More than 25,000 h device lifetime in blue phosphorescent organic light-emitting diodes via fast triplet up-conversion of n-type hosts with sub μs triplet exciton lifetime

EngineeringOptoelectronic DevicesChemistryLuminescence PropertyFast Triplet Up-conversionPhosphorescence ImagingElectronic DevicesPhotodetectorsN-type HostsLight-emitting DiodesH Device LifetimePhotonicsElectrical EngineeringPhotochemistryOptoelectronic MaterialsWhite OledSolid-state LightingApplied PhysicsOptoelectronics