High-efficiency and low-efficiency-roll-off single-layer white organic light-emitting devices with a bipolar transport host

Yongming Yin, Xuecheng Piao, Yang Li, Yan Wang, Jian Liu, Kai Xu, Wenfa Xie
  • Applied Physics Letters, January 2012, American Institute of Physics
  • DOI: 10.1063/1.4745507