Table 3.
The EL performance of OLED devices using phosphors Bu-CNIr and DM-CNIr as the emitters
| Device | Emitter (x wt%) | Vona [V] | λmax [nm] | EQE [%] | L [cd m−2] | J1/2g [mA cm−2] |
|---|---|---|---|---|---|---|
| D1 | Bu-CNIr (10) | 4.1 | 693 | 7.1b, 5.9c, 3.9d | 1413e | 296 |
| D2 | Bu-CNIr (15) | 4.0 | 695 | 7.1b, 5.9c, 3.9d | 1410e | 316 |
| D3 | Bu-CNIr (20) | 4.1 | 700 | 5.5b, 5.0c, 3.6d | 1433e | 555 |
| D4 | DM-CNIr (15) | 4.3 | 714 | 7.2b, 4.7c, 2.0d | 532f | 270 |
a
The turn-on voltage (Von) at the luminance of 1 cd m−2.
b
The peak EQE.
c
The EQE at the luminance of 100 cd m−2.
d
The EQE at the luminance of 500 cd m−2.
e
The luminance at 14 V.
f
The luminance at 15 V.
g
The current density when the EQE was dropped to its half value.