Organometallic complex and organic electroluminescent...

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Reexamination Certificate

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C313S504000, C313S506000, C257S040000, C257SE51044, C544S225000

Reexamination Certificate

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07438980

ABSTRACT:
An organometallic complex is provided. The organometallic complex is selected from the group consisting ofandwherein C is an acetyl acetone groupor picolinic acid groupm is 1˜3, n is 0˜3 and m+n=3, wherein D, E and G are the same or different and selected from the group consisting of H, halogen atoms, trifluoromethyl, C1-20alkyl, C1-20alkyl halide, C3-10aryl and C3-20heterocyclic ring containing O, N or S.

REFERENCES:
patent: 2001/0019782 (2001-09-01), Igarashi et al.
patent: 2002/0024293 (2002-02-01), Igarashi et al.
patent: 2002/0034656 (2002-03-01), Thompson et al.
patent: 2003/0017361 (2003-01-01), Thompson et al.
patent: 2003/0068526 (2003-04-01), Kamatani et al.
patent: 2003/0072964 (2003-04-01), Kwong et al.
patent: 2004/0241495 (2004-12-01), Kwong et al.
patent: 2004/0247934 (2004-12-01), Takeuchi et al.
patent: 1 434 286 (2004-06-01), None

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