%0 Journal Article %T High‐efficiency p‐i‐n organic light‐emitting diodes with long lifetime %A Wellmann, Philipp %A Hofmann, Michael %A Zeika, Olaf %A Werner, Ansgar %A Birnstock, Jan %A Meerheim, Rico %A He, Gufeng %A Walzer, Karsten %A Pfeiffer, Martin %A Leo, Karl %J Journal of the Society for Information Display %V 13 %N 5 %@ 1071-0922 %D 2005-05-01 %I Wiley Subscription Services, Inc., A Wiley Company %~ DeepDyve