Platinum complex and organic light-emitting device using the...

Details Platinum complex and organic light-emitting device using the... Platinum complex and organic light-emitting device using the...

2011-01-11

2011-01-11

Aulakh, Charanjit S (Department: 1625)

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

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

C313S504000, C428S690000, C546S002000, C546S005000

Reexamination Certificate

active

07868170

ABSTRACT:
The present invention relates to a platinum complex as the following formula (I):wherein X, n, R1, R2, R3,R4, R5, X1, X2, L1, and L2are defined the same as the specification. The present invention also further provides an organic light-emitting device using the same. The complexes of the present invention exhibit enhanced emission quantum yields, and short phosphorescence radiative lifetimes in the range of several microseconds so as to be applied in high efficiency OLEDs.

REFERENCES:
Chang, S. et al.: Luminescent Platinum complexes containing isoquinolinyl indazolate ligands: Synthetic pathways and photophysical properties. Inorg. Chem. vol. 46, pp. 7064-7074, 2007.
Chang, S. et al.: Blue-Emitting Platinum complexes bearing both pyridylpyrazolate chelate and bridging pyrazolate ligands: Synthesis, structures, and photophysical properties. Inorg. Chem., published on web on Nov. 21, 2007.

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