Ku, C.-H.C.-H.KuKuo, C.-H.C.-H.KuoLeung, M.-k.M.-k.LeungHsieh, K.-H.K.-H.Hsieh2010-09-202018-07-102010-09-202018-07-102008-09http://ntur.lib.ntu.edu.tw//handle/246246/203808en-USNew polyurethanes containing carbazole as hole-transport material and phosphorescent host for organic/polymer light emitting diodesjournal article