Table 2. Performance Summary of OLED Devices with Different HTLs.
| HTL | Vona (V) | PEb (lm/W) | CEc (cd/A) | EQEd (%) | CIEe | max luminance (cd/m2) |
|---|---|---|---|---|---|---|
| @ 1000/10 000 cd/m2/maximum | ||||||
| Py-Me | 3 | 8.5/7.8/11.4 | 16.3/21.1/25.2 | 5.6/6.8/8.5 | (0.51, 0.49)/(0.51, 0.49) | 16 970 |
| Py-MeO | 3 | 10.3/3/11.8 | 19.2/9/25.7 | 6.9/2.9/8.8 | (0.51, 0.49)/(0.51, 0.49) | 15 270 |
| Py-03 | 3 | 8.4/6.3/11.8 | 16/17.3/26.6 | 5/5.2/8.5 | (0.51, 0.49)/(0.51, 0.49) | 13 720 |
| Py-Br | 3 | 11.7/7.9/12.3 | 22.4/21/27.6 | 7.4/6.6/9.0 | (0.5, 0.49)/(0.5, 0.5) | 17 300 |
| NPB | 3 | 10.5/2.7/20.3 | 16.2/6.7/20.7 | 5.1/2.1/6.7 | (0.5, 0.5)/(0.5, 0.5) | 10 980 |
a
Turn-on voltage.
b
Power efficiency.
c
Current efficiency.
d
External quantum efficiency.
e
CIExy coordinates at 1000 and 10 000 cd/m2.