Red organic electroluminescent compounds, method for synthesizing the same and electroluminescent devices
申请人:——
公开号:US20030165714A1
公开(公告)日:2003-09-04
Red organic electroluminescent compounds containing bis-condensed DCM derivatives, a method for synthesizing the same and an organic electroluminescent device using the same. The red organic electroluminescent compound having the formula:
1
wherein R
1
, R
1
′, R
2
and R
2
′ are independently hydrogen atom, or C
1—
C
30
alkyl, aryl or hetero ring; R
3
, R
3
′, R
4
and R
4
′ are independently hydrogen atom, C
1—
C
10
alkyl or alkoxy; one or more pairs selected from the group consisting of R
1
and R
3
, R
1
′ and R
3
′, R
2
and R
4
, and R
2
′ and R
4
′ can be connected in forms of —R
1
-R
3
—, —R
1
′-R
3
′—, —R
2
-R
4
—, and —R
2
′-R
4
′—; R
5
, R
5
′, R
6
and R
6
′ are independently hydrogen atom, or C
1—
C
30
alkyl, alkoxy or aryl; at least one of R
3
, R
3
′, R
4
, R
4
′, R
5
, R
5
′, R
6
and R
6
′ is not hydrogen atom.
含有双缩合DCM衍生物的红色有机电致发光化合物,其合成方法以及使用该化合物的有机电致发光装置。红色有机电致发光化合物的化学式为:1,其中R1、R1′、R2和R2′独立地为氢原子,或C1-C30烷基、芳基或杂环;R3、R3′、R4和R4′独立地为氢原子、C1-C10烷基或烷氧基;从R1和R3、R1′和R3′、R2和R4以及R2′和R4′中选择一个或多个成对的基团可以以—R1-R3—、—R1′-R3′—、—R2-R4—和—R2′-R4′—的形式连接;R5、R5′、R6和R6′独立地为氢原子、C1-C30烷基、烷氧基或芳基;其中至少一个基团为R3、R3′、R4、R4′、R5、R5′、R6或R6′不是氢原子。