申请人:Zhang Qisheng
公开号:US20140135530A1
公开(公告)日:2014-05-15
The compounds represented by the following general formula have excellent properties as a charge transport material. In the formula, R
1
to R
3
represent a substituent, n1 and n2 indicate an integer of from 0 to 5, n3 indicates an integer of from 0 to 4, X represents a linking group of —O—, —S—, —SO
2
—, —CS—, —R
4
—, —C(R
5
)(R
6
)—, —PO(R
7
)—, —Si(R
8
)(R
9
)—, >PO—, >Si(R
10
)— or >Si<, m is an integer of from 2 to 4, R
4
represents an aliphatic cyclic linking group, and R
5
to R
10
represent a hydrogen atom, an alkyl group, an aryl group, etc.