OLED with C6/C9 substituted phenanthroimidazoles (DDPPPA/DDPBA) show blue emission with maximum external quantum efficiency (ηex), current efficiency (ηc) and power efficiency (ηp) of 5.7/6.0%, 10.5/12.0 cd A−1and 8.3/9.2 lm W−1, respectively.
OLED中,使用C6/C9代替的苯并咪唑酮(DDPPPA/DDPBA)显示出蓝色发光,其最大外部量子效率(ηex)、电流效率(ηc)和功率效率(ηp)分别为5.7/6.0%,10.5/12.0 cd A−1和8.3/9.2 lm W−1。