| abstract |
The present invention is a light emitting device material characterized by containing a pyrene compound represented by the following formula (1).n n n <Formula 1>n n n n n n n n (R 1 to R 10 are specific functional groups, provided that at least one of R 1 to R 10 is a substituent represented by the following formula (2).)n n n <Formula 2>n n n n n n n n (R 11 to R 14 are specific functional groups, provided that any one of R 11 to R 14 is used for a single bond with the pyrene skeleton. X 1 is a group represented by the following formula (3), and Y 1 to Y 4 are nitrogen). And at least one of Y 1 to Y 4 is a nitrogen atom, and at least one is a carbon atom, and in the case of a nitrogen atom, there is no substituent on the nitrogen atom.n n n <Formula 3>n n n n n n n n (R 15 is a specific functional group)n n n This material provides a light emitting element having high luminous efficiency and excellent durability. |