Patent ID: 6458476
Filing Date: 2002-10-01
Classification: C09K,H01L,Y10S

Abstract:
An organic luminescence device, comprising: a pair of electrodes comprising an anode and a cathode, and a layer of organic compound disposed between the electrodes; wherein the organic compound layer contains at least one species of spiro compounds represented by formulae [I], [II] and [III] shown below: wherein R1, R2, R3 and R4 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 or a nitro group;Y denotes â€”Oâ€”, â€”Sâ€”, â€ƒor â€”CH&boxH;CHâ€” wherein R5 denotes a hydrogen atom, an alkyl group, a substituted or unsubstituted aralkyl group, a substituted or unsubstituted aryl group, or a substituted or unsubstituted heterocyclic group; and X1 and X2 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 nitro group, a substituted or unsubstituted amino group, or a group selected from those represented by structural formulae (IV)-(XIII) shown below with the proviso that at least one of X1 and X2 is selected from groups represented by the formulae (IV)-(XIII): wherein R6 to R14 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, an alkoxyl group, or a nitro group;Z1 and Z2 independently denote â€”Sâ€”, â€ƒwherein R15 denotes a hydrogen atom, an alkyl group, a substituted or unsubstituted aralkyl a group, a substituted or unsubstituted aryl group or a substituted or unsubstituted heterocyclic group; R16 and R17 independently denote an alkyl group, a substituted or unsubstituted aralkyl group, a substituted or unsubstituted aryl group or a substituted or unsubstituted heterocyclic group; and L denotes an integer of 0-20, m denotes an integer of 0-20 with the proviso that L+m makes an integer of 1-20, and n is an integer of 1-20.