Improved power efficiency of blue fluorescent organic light-emitting diode with intermixed host structure
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- 作者：Shouzhen Yue ; Shiming Zhang ; Zhensong Zhang ; Yukun Wu ; Peng Wang ; Runda Guo ; Yu Chen ; Dalong Qu ; Qingyang Wu ; Yi Zhao ; Shiyong Liu
- 关键词：DSA-ph ; Mixed host ; Intermixed host structure ; Double emitting layers ; OLED
- 刊名：Journal of Luminescence
- 出版年：2013
- 出版时间：November, 2013
- 年：2013
- 卷：143
- 期：Complete
- 页码：619-622
- 全文大小：1120 K
文摘
High power efficiency (PE) p-bis(p-N,N-diphenyl-aminostyryl)benzene (DSA-ph) based fluorescent blue organic light-emitting diode (OLED) is demonstrated by utilizing intermixed host (IH) structure. The PE outperforms those devices based on single host (SH), mixed host (MH), and double emitting layers (DELs). By further optimizing the intermixed layer, peak PE of the IH device is increased up to 8.7 lm/W (1.7 times higher than conventional SH device), which is the highest value among the DSA-ph based blue device reported so far.