Enhancement of electroluminescent properties of organic optoelectronic integrated device by doping phosphorescent dye

Lei Shu-ying^{1, 2}, Zhong Jian^{1, 2, †}, Zhou Dian-li^{1, 2}, Zhu Fang-yun^{1, 2}, Deng Chao-xu^{1, 2}

(color online) (a) EL spectra of OIDs with different doping materials under 7 V forward bias. (b) Current density–voltage–luminance curves. (c) Power efficiency–current density–current efficiency curves of OIDs.