Iridium complexes and their copolymer with N-vinyl carbazole for OLED use

Xiaodong Wang; Kenji Ogino; Kuniaki Tanaka; Hiroaki Usui

doi:10.1117/12.576303

12 January 2005 Iridium complexes and their copolymer with N-vinyl carbazole for OLED use

Xiaodong Wang, Kenji Ogino, Kuniaki Tanaka, Hiroaki Usui

Proceedings Volume 5632, Light-Emitting Diode Materials and Devices; (2005) https://doi.org/10.1117/12.576303
Event: Photonics Asia, 2004, Beijing, China

Abstract

Iridium complexes can be used as high efficient light-emitting materials in OLED devices according to its triplet light-emitting properties. In present work, we report two series of iridium complexes with green and red light emitted, respectively. Ir(ppy)₂Ac, Ir(ppy)₂Vb, Ir(btp)₂Ac, and Ir(btp)₂Vb can be used as good phosphorescent light-emitting materials for EL devices. Particularly, these iridium complexes give a possibility to form unique polymer material acting at least as the same as host-guest light-emitting system, which is rather complicated in fabricating process. By the improvement of injecting balance of hole and electron in the device, these iridium complexes can be considered as the potential high efficiency material for OLED use.

Citation Download Citation

Xiaodong Wang, Kenji Ogino, Kuniaki Tanaka, and Hiroaki Usui "Iridium complexes and their copolymer with N-vinyl carbazole for OLED use", Proc. SPIE 5632, Light-Emitting Diode Materials and Devices, (12 January 2005); https://doi.org/10.1117/12.576303

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