Influence of host materials on degradation of phosphorescent organic light-emitting diodes under electrical stress

Abstract

The luminance degradation ratio and the corresponding relative change of the exciton lifetimes for different hosts in the resulting yellow PhOLEDs.

High-efficiency and low-efficiency roll-off fluorescence/phosphorescence hybrid white organic light-emitting diodes based on AIEgens with hot exciton property by strategically managing triplet excitons

“…Furthermore, the transient electroluminescence (TrEL) 32 responses of devices W1 and W3 were measured to study their exciton dynamics. A constant voltage pulse corresponding to a current density of 10 mA cm −2 was applied and the luminance-decay behaviors were monitored at a 448 nm emission wavelength after turning off.…”

Perceiving the influence of phenyl-carbazole isomers on sulfone/thioxanthone-based D–A–D hosts: realizing efficient red-phosphorescent OLEDs

“…[13][14][15][16][17][18][19] Additionally, the selection of host materials with superior charge injection and transport capabilities, along with high thermal and operational stabilities, plays a crucial role in achieving high efficiency. [20][21][22] Extensive research is urgently needed to achieve highly efficient red PhOLEDs. Consequently, the development of new host materials becomes essential to attain top-tier performance in red PhOLED devices.…”