Stilbene derivatives, luminescent material, the light-emitting element, light-emitting device and

摘要

PROBLEM TO BE SOLVED: To provide a new substance giving an excellent color purity as a blue color, and a light-emitting element and light-emitting device by using the same.;SOLUTION: This stilbene derivative has a structure shown by general formula (1) [wherein, R¹ is H, a 1-4C alkyl or a 6-25C aryl; R² is a 1-4C alkyl or a 6-25C aryl; R³ to R⁵ are each H or a 1-4 alkyl; and Ar¹ is a 6-25C aryl].;COPYRIGHT: (C)2007,JPO&INPIT