| 摘要 |
PROBLEM TO BE SOLVED: To provide a preferable complex compound as an organic electroluminescence element material, in particular a charge transportation material, and a highly durable organic electroluminescence element using the compound. SOLUTION: The organic electroluminescence element having an organic layer between a pair of electrodes contains a specific quadridentate ligand palladium-containing-nitrogen hetero ring complex in the organic layer. COPYRIGHT: (C)2007,JPO&INPIT
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