Stable blue thermally activated delayed fluorescent organic light-emitting diodes with three times longer lifetime than phosphorescent organic light-emitting diodes.

Stable blue thermally activated delayed fluorescent organic light-emitting diodes with three times longer lifetime than phosphorescent organic light-emitting diodes.

Advanced materials (Deerfield Beach, Fla.) (2015-03-11)

Mounggon Kim, Sang Kyu Jeon, Seok-Ho Hwang, Jun Yeob Lee

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.

MATERIALS

Product Number

Brand

Product Description

805459

Sigma-Aldrich

DPEPO

901444

Sigma-Aldrich

TSPO1

932698

Sigma-Aldrich

N4,N4,N4′,N4′-Tetra[(1,1′-biphenyl)-4-yl]-(1,1′-biphenyl)-4,4′-diamine, ≥99% (HPLC)

931012

Sigma-Aldrich

9,9′-(5-(4,6-Diphenyl-1,3,5-triazin-2-yl)-1,3-phenylene)bis(9H-carbazole), ≥97% (HPLC)