Table 2 EL performance data.

λEL, EL emission maximum at 10 mA cm−1; Von, turn-on voltage at a luminance of >1 cd m−2; Lmax, maximum luminance; ηext,max, maximum external EL quantum efficiency; ηext,100/1000/10000, external EL quantum efficiencies at luminance of 100, 1000, and 10,000 cd m−2; CE, maximum current efficiency; PE, maximum power efficiency; CIE, Commission Internationale de l’Éclairage color coordinates recorded at 10 mA cm−2.

EmitterλEL (nm)Von (V)Lmax (cd m−2)ηext,max (%)ηext,100/1000/10000 (%)CE (cd A−1)PE (lm W−1)CIE (x, y)
MCz-TXT4973.822,10025.825.8/24.6/21.667.252.0(0.21, 0.46)
MCz-XT4893.817,70025.525.5/23.7/19.762.650.0(0.19, 0.42)
4CzIPN5243.418,70023.123.1/22.1/16.777.664.9(0.31, 0.60)
FIrpic4723.812,50025.525.5/23.2/17.552.238.4(0.15, 0.36)