High Power Efficiency in Blue Phosphorescent Organic Light-Emitting Diodes Using a Spirobifluorene Phosphine Oxide Compound

2011 ◽  
Vol 551 (1) ◽  
pp. 206-211
Author(s):  
Sang Eok Jang ◽  
Jun Yeob Lee
2013 ◽  
Vol 114 (12) ◽  
pp. 123101 ◽  
Author(s):  
Yu-Fan Chang ◽  
Yu-Chian Chiu ◽  
Hao-Wen Chang ◽  
Yi-Siang Wang ◽  
Yi-Lun Shih ◽  
...  

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