Patent ID: 6652997
Filing Date: 2003-11-25
Classification: C09K,H01L,Y10S

Abstract:
An organic luminescence device, comprising:a pair of an anode and a cathode, and at least one organic layer disposed between the anode and the cathode, wherein said at least one organic layer comprises a layer of a fused polynuclear compound represented by the following formula (I): â€ƒwherein R1 to R12 independently denote a hydrogen atom, an alkyl group, a substituted or unsubstituted aralkyl group, a substituted or unsubstituted aryl group, a substituted or unsubstituted heterocyclic group, a substituted amino group, a cyano group or a halogen atom; R1 to R4, R5 to R8 and R9 to R12 being independently capable of including adjacent two groups forming a substituted or unsubstituted aliphatic cyclic structure, a substituted or unsubstituted aromatic ring structure, or a substituted or unsubstituted heterocyclic structure, and X1, X2 and X3 independently denote an oxygen atom, a sulfur atom, C(CN)2, C(CF3)2, C(Ar1)Ar2 or Nâ€”Ar3, wherein Ar1, Ar2 and Ar3 independently denote a substituted or unsubstituted aryl group or a substituted or unsubstituted heterocyclic group; Ar1 and Ar2 being capable of forming a ring structure.