Table 1. Current efficiencies (CEs) and their roll-off characteristics of solution-processed OLEDs according to host composition of EML

CEmax CE@1000 nit CE@5000 nit
TCTA 100% (43.8 cd/A) 85.4% (37.4 cd/A) 37.7% (16.5 cd/A)
CBP 100% (44.5 cd/A) 82.9% (36.9 cd/A) 41.6% (18.5 cd/A)
CBP:TCTA 100% (53.7 cd/A) 94.2% (50.6 cd/A) 71.1% (38.2 cd/A)