申请人:Kobayashi Tohru
公开号:US20050258398A1
公开(公告)日:2005-11-24
A 1,5-dithia-s-indacene or 1,7-dithia-s-indacene derivative represented by general formula (1):
wherein R
1
and R
2
each independently represents a hydrogen atom, an alkyl group or an alkoxy group; R
3
-R
12
each independently represents a hydrogen atom, an alkyl group, an alkoxy group, a halogen atom or a cyano group; either of X
1
and X
2
represents a sulfur atom while the other represents a carbon atom; either of X
3
and X
4
represents a sulfur atom while the other represents a carbon atom; R
13
, R
14
, R
15
or R
16
is present only in the case where X
1
, X
2
, X
3
or X
4
, respectively, is a carbon atom, and R
13
, R
14
, R
15
or R
16
each independently represents a hydrogen atom, an alkyl group or a halogen atom; and a broken line independently indicates a double bond in the case where X
1
, X
2
, X
3
or X
4
to which the broken line is connected represents a carbon atom or a broken line independently indicates a single bond in case X
1
, X
2
, X
3
or X
4
to which the broken line is connected represents a sulfur atom. A liquid crystal composition comprising the 1,5-dithia-s-indacene or 1,7-dithia-s-indacene derivative represented by the general formula (1). An electronic device comprising the liquid crystal composition.
一种由通式(1)表示的1,5-二硫代-s-茚或1,7-二硫代-s-茚衍生物,其中R1和R2分别独立表示氢原子、烷基或烷氧基;R3-R12分别独立表示氢原子、烷基、烷氧基、卤素原子或氰基;X1和X2中的任一者表示硫原子,另一者表示碳原子;X3和X4中的任一者表示硫原子,另一者表示碳原子;仅在X1、X2、X3或X4中的任一者为碳原子时才存在R13、R14、R15或R16,且R13、R14、R15或R16分别独立表示氢原子、烷基或卤素原子;断线独立表示双键,当连接到断线的X1、X2、X3或X4表示碳原子时,或者断线独立表示单键,当连接到断线的X1、X2、X3或X4表示硫原子时。包括通式(1)表示的1,5-二硫代-s-茚或1,7-二硫代-s-茚衍生物的液晶组合物。包括该液晶组合物的电子设备。