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Proceedings Paper

Iridium complexes and their copolymer with N-vinyl carbazole for OLED use
Author(s): Xiaodong Wang; Kenji Ogino; Kuniaki Tanaka; Hiroaki Usui
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Paper 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.

Paper Details

Date Published: 12 January 2005
PDF: 13 pages
Proc. SPIE 5632, Light-Emitting Diode Materials and Devices, (12 January 2005); doi: 10.1117/12.576303
Show Author Affiliations
Xiaodong Wang, RIKEN (Japan)
Kenji Ogino, Tokyo Univ. of Agriculture and Technology (Japan)
Kuniaki Tanaka, Tokyo Univ. of Agriculture and Technology (Japan)
Hiroaki Usui, Tokyo Univ. of Agriculture and Technology (Japan)


Published in SPIE Proceedings Vol. 5632:
Light-Emitting Diode Materials and Devices
Gang Yu; Chuangtian Chen; Changhee Lee, Editor(s)

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