| 摘要 |
PROBLEM TO BE SOLVED: To provide a novel amorphous polyphenol derivative having high heat resistance and capable of forming a film from a solvent solution, its manufacturing method, a hole transport material and/or a luminescent material comprising the same, and an organoelectroluminescent element obtained by using the same. SOLUTION: The polyphenol derivative is represented by general formula (1). Concretely, the polyphenol derivative is a compound having a structure represented by formula (C-1). The method for manufacturing the same is also provided. COPYRIGHT: (C)2004,JPO
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