申请人:Kitazawa Daisuke
公开号:US20070267958A1
公开(公告)日:2007-11-22
The invention provides a light emitting device having a low driving voltage and excellent durability by a material for a light emitting device expressed by the general formula (1):
where in each of R
1
, R
2
, R
3
, R
4
, R
5
and R
6
may be the same or different and is selected from hydrogen, an alkyl group, and an aryl group, A represents an n-valent aromatic hydrocarbon group, B represents an alkyl group or an aryl group, X represents carbon or nitrogen, n represents a natural number from 2 to 6, and n substituents having a phenanthroline skeleton or a benzoquinoline skeleton may be the same or different.
本发明提供了一种具有低驱动电压和优异耐久性的发光装置,其使用的发光装置材料由通式(1)表示,其中R1、R2、R3、R4、R5和R6中的每一个可以相同也可以不同,并且被选择为氢、烷基或芳基,A代表n价芳香族碳氢化合物基团,B代表烷基或芳基,X代表碳或氮,n代表从2到6的自然数,n个具有菲咯啉骨架或苯并喹啉骨架的取代基可以相同也可以不同。