Degradation Analysis of Blue Phosphorescent Organic Light Emitting Diode by Impedance Spectroscopy and Transient Electroluminescence Spectroscopy.
Toshinari OgiwaraJun-ichi TakahashiHitoshi KumaYuichiro KawamuraToshihiro IwakumaChishio HosokawaPublished in: IEICE Trans. Electron. (2009)