REVERSIBLY REDUCIBLE METAL COMPLEXES AS ELECTRON TRANSPORTING MATERIALS FOR OLEDS
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Abstract
The invention is reversibly reducible metal complexes and materials and an organic light emitting device, having an anode; a cathode; and at least one organic layer disposed between the anode and the cathode, made with the complexes of the invention. The reversibly reducible metal complexes are complexes a redox active metal center and at least one ligand; wherein; following a reduction of the complex, adding 1 extra electron to the complex, the extra electron is localized on the metal center. The complexes may function as an ETL or a host material.
30 Citations
17 Claims
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1-13. -13. (canceled)
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14. A reversibly reducible metal complex, selected from the group consisting of complexes of formula:
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where E1 and E3 are independently nitrogen, oxygen, or sulfur mono anionic donors, E2 is a C, N, P, or Si neutral donor, wherein R1, R2, R3, R4, R5 and R6 are independently hydrogen or hydrocarbon groups, wherein Ar is an aryl group. - View Dependent Claims (15, 16, 17)
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17. The complex according to claim 14, wherein the complex is
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Specification