Figure 8

(a) Device structure and energy level diagram of DMAC-DPS based blue TADF OLEDs; (b,d) Luminance-current density (J)-voltage characteristics and (c and e) efficiencies-luminance curves of mDBSOSPO-based blue TADF devices (b,c) for DBTSPO-based devices S2–S4; while (d,e) for DBTDPO-based devices D2–D4).