BENZOFLUORENE COMPOUND, MATERIAL FOR LIGHT-EMITTING LAYER USING THE COMPOUND, AND ORGANIC ELECTROLUMINESCENT ELEMENT

摘要

PROBLEM TO BE SOLVED: To provide a benzofluorene compound exhibiting excellent performance, for example, when applied to an organic electroluminescent element. SOLUTION: The benzofluorene compound has a spiro structure and also has a specific substituent such as hydrogen, phenyl, naphthyl, biphenylyl, phenanthryl, anthryl, pyrenyl, chrysenyl and triphenylenyl. COPYRIGHT: (C)2009,JPO&INPIT