Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) Ji Hyun Seo and Hoe Min Kim and Eun Young Choi,Phosphorescent organic light-emitting diodes with simplified device architecture,Japanese journal of applied physics : JJAP,00214922,Tokyo : The Japan Society of Applied Physics,2010-08,49,8,,https://cir.nii.ac.jp/crid/1520009409103185280,