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US07648778B2 Organic electroluminescent element 有权
有机电致发光元件

Organic electroluminescent element
摘要:
An organic electroluminescent element comprises: a pair of electrodes; and at least one organic compound layer between the pair of electrodes, said at least one organic compound layer comprising a light-emitting layer, wherein the organic luminescent element comprises at least one complex represented by formula (1): wherein M11 represents a hexacoordinate transition metal ion, Y11 represents a nitrogen atom or a substituted or unsubstituted carbon atom, L11 represents a ligand, Q11 and Q12 each represents an atomic group for forming a nitrogen-containing heterocyclic ring, n11 represents an integer of 1 to 3, n12 represents an integer of 0 to 4, X11 represents a counter ion, and n13 represents an integer of 0 to 3.
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