| abstract |
A light emitting device material comprising a compound represented by the following formula (I):wherein R1, R2 and R3, which may be the same or different, each represents an aryl group, a heterocyclic group or an aliphatic hydrocarbon group, provided that at least one of R1, R2 and R3 represents an aryl group or a heterocyclic group, containing a group represented by the following formula (II):wherein R4, R5 and R6, which may be the same or different, each represents a hydrogen atom or a substituent; X1 represents an oxygen atom, a sulfur atom, N-RX1 or CRX2RX3; RX1, RX2, RX3, which may be the same or different, each represents a hydrogen atom or a substituent; R4, R5, R6 and X1 may be linked to each other to form a ring; Y represents an oxygen atom, a sulfur atom, or N-RY1; and RY1 represents a hydrogen atom or a substituent. |