TY - JOUR AU - Wang, Q. TI - A high-performance tandem white organic light-emitting diode combining highly effective white-units and their interconnection layer JA - J. Appl. Phys. PY - 2009/// VL - 105 SP - 076101 PB - Nature Publishing Group M3 - 10.1063/1.3106051 N1 - 10.1063/1.3106051 UR - http://dx.doi.org/10.1063/1.3106051 ER -