[A-3-1]Improved the power efficiency of white phosphorescent organic light-emitting diode with thin double emitting-layers and hole-trapping mechanism
F. S. Juang1、S. H. Wang1、Y. S. Tsai1、M. H. Gao1、Y. Chi2、H. P. Shieh3(1.National Formosa Univ.、2.National Tsing Hua Univ.、3.National Chiao Tung Univ. , Taiwan)
