Red-emitting electrophosphorescent devices

Details Red-emitting electrophosphorescent devices Red-emitting electrophosphorescent devices

2005-05-20

2008-09-30

Berch, Mark L. (Department: 1624)

Organic compounds -- part of the class 532-570 series

Organic compounds

Four or more ring nitrogens in the bicyclo ring system

C428S690000

Reexamination Certificate

active

07429662

ABSTRACT:
This invention relates to an organic electroluminescence (EL) device and to the use of a tris-cyclometalated iridium complex with a 3-Phenyl-azine ligand for thin-film type organic electroluminescence devices.The iridium complexes used have the following formulae:

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Lamansky, S.; Djurovich, P.; Murphy, D.; Abdel-Razzaq, F.; Lee, H.-E.; Adachi, C.; Burrows, P.E.; Forrest, S.R.; Thompson, M.E., Journal of Am. Chem. Soc., 123, 4304 (2001).
Su, Y.-J.; Huang, H.-L.; Li, C.-L.; Chien, C.-H.; Tao, Y.-T.; Chou, P.-T.; Datta, S.; Liu, R.-S.; Advance Materials, 15, 884 (2003).
Duan, J.-P.; Sun, P.-P.; Cheng, C.-H. Advanced Materials, 15, 224 (2003).

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