Table 3 Device performance of OLEDs based on CzBN emitters
EmitterVoltage
(V)*
EQE
(%)*
Current
efficiency
(cd A−1)*
CIE
(chromaticity
coordinates)
LT97
(hours)
5CzBN5.0/5.6/
7.7
18.0/
17.0/13.9
44.9/
43.6/35.0
(0.19, 0.41)3
3Cz2DPhCzBN5.2/5.8/
7.4
20.9/20.8/
18.6
63.0/
62.2/55.9
(0.21, 0.44)110

*Voltage, EQE, and current efficiency were obtained at 500, 1000, and 5000 cd m−2, respectively. The error for EQE is ±0.2%, which was obtained from at least four devices.

†Initial luminance of 1000 cd m−2.