Anthracene derivative and light emitting element and light emitting device using the same
申请人:Yamagata Sachiko
公开号:US20050260450A1
公开(公告)日:2005-11-24
It is an object of the present invention to provide a luminescent material that has resistance to repeated oxidation reactions. Further, it is an object of the present invention to provide a light-emitting element that is high in luminous efficiency. Further, it is an object of the present invention to provide a light-emitting element that has a long life. An aspect of the present invention is an anthracene derivative represented by a general formula (1). In the general formula (1), R
2
to R
4
and R
7
to R
9
are individually any one of hydrogen, an alkyl group having 1 to 4 carbon atoms, and a group represented by the following structure formula (2), and R
1
, R
5
, R
6
, and R
10
are individually any one of hydrogen and an alkyl group having 1 to 4 carbon atoms.
本发明的目的是提供一种耐反复氧化反应的发光材料。此外,本发明的目的是提供一种发光效率高的发光元件。此外,本发明的目的还在于提供一种使用寿命长的发光元件。本发明的一个方面是通式(1)所代表的蒽衍生物。在通式(1)中,R
2
至 R
4
和 R
7
至 R
9
分别是氢、具有 1 至 4 个碳原子的烷基和由以下结构式(2)代表的基团中的任一个,以及 R
1
, R
5
, R
6
和 R
10
分别为氢和具有 1 至 4 个碳原子的烷基中的任一个。