TBRb-doped exciplex co-host fluorescent OLED

20.4% EQE breakthrough

Combining exciplex co-host LL-RISC with TBRb hot-exciton HL-RISC fully harvests triplet energy, breaking efficiency limits for all-fluorescent OLEDs.

Wei, Fuxian · Chen, Jing · Zhao, Xi · Wu, Yuting · Wang, Huiyao · Chen, Xiaoli · Xiong, Zuhong

Advanced Science 2023

Specifications

EQE
{'zh': '20.4', 'en': ''} %

Advantages

low efficiency roll-off

TBRb emitter

energy-level matched exciplex co-host