1,3,6,8 tetrasubstituted pyrene compound, organic EL element using the same, and organic EL display using the same
申请人:FUJITSU LIMITED
公开号:EP1403354A1
公开(公告)日:2004-03-31
The present invention aims to provide an organic EL element having excellent light-emitting efficiency, emission luminance and color purity of green light. The organic EL element contains an organic thin film layer interposed between a positive electrode and a negative electrode, this organic thin film layer comprising a 1,3,6,8-tetrasubstituted pyrene compound represented by the following formula (1) as a luminescent material:
wherein R1 to R4 may be the same or different, and represent a group represented by the following formula (2):
wherein R5 and R6 may be the same or different, and represent a hydrogen atom or a substituent group.
本发明旨在提供一种有机电致发光元件,它具有优异的发光效率、发射亮度和绿光色纯度。该有机电致发光元件包含一个夹在正极和负极之间的有机薄膜层,该有机薄膜层包含由下式(1)表示的 1,3,6,8-四取代芘化合物作为发光材料:
其中 R1 至 R4 可以相同或不同,并代表下式(2)所代表的基团:
其中 R5 和 R6 可以相同或不同,并代表氢原子或取代基。