Materials for light emitting devices consisting of novel compounds and light emitting devices using the same

摘要

A compound represented by formula (IA) or (IIA): wherein R₁₁, R₁₂ and R₁₃ each represents a hydrogen atom, an aliphatic hydrocarbon group, an aryl group or a heterocyclic group; L₁ represents a connecting group; R₁₁ and R₁₂, R₁₁ and L₁ and R₁₂ and L₁ may each combine with each other to form a ring when possible; R₁₄, R₁₅, R₁₆ and R₁₇ each represents a hydrogen atom or a substituent; and R₁₃ to R₁₇ may each combine with each of R₁₁ to R₁₇ or L₁ to form a ring when possible; wherein R₁₃ to R₁₇ and L₁ have the same meaning as in formula (IA); Q represents an atomic group necessary for forming a 5-, 6- or 7-membered ring with N; and R₁₃, R₁₄, R₁₅, R₁₆ and R₁₇ may each combine with each of R₁₃ to R₁₇, the connecting group L₁ or the atomic group Q to form a ring.