申请人:——
公开号:US20030168632A1
公开(公告)日:2003-09-11
Silicon compounds having a low viscosity and a low threshold voltage and improved mutual solubility, a liquid crystal composition comprising the same and a liquid crystal display using the liquid crystal composition. The silicon compound is represented by formula (1):
1
wherein Y
1
is, for example, alkylene having 1 to 10 carbon atoms; Y
2
is, for example, hydrogen, halogen, —CN, —C≡C—CN, or alkyl having 1 to 10 carbon atoms; A
1
, A
2
, A
3
, and A
4
each are, for example, independently 1,4-cyclohexylene, 1,4-cyclohexenylene, 1,4-phenylene, or 1,4-phenylene; Z
1
, Z
2
and Z
3
each are independently a single bond, —(CH
2
)
2
—, —OCH
2
—, —CH
2
O—, —CH═CH—, —C≡C—, —(CH
2
)
4
—, —O(CH
2
)
3
—, —(CH
2
)
3
O—, —COO—, —OCO—, —OCF
2
—, or —CF
2
O—; and p and q each are independently 0 or 1.
具有低粘度和低阈值电压以及改善相互溶解性的硅化合物,包括该硅化合物的液晶组合物和使用该液晶组合物的液晶显示器。该硅化合物由公式(1)表示:其中,Y1是例如具有1至10个碳原子的烷基;Y2是例如氢,卤素,—CN,—C≡C—CN或具有1至10个碳原子的烷基;A1、A2、A3和A4分别是例如独立的1,4-环己基,1,4-环己烯基,1,4-苯基或1,4-苯基;Z1、Z2和Z3各自独立地是单键,—(CH2)2—,—OCH2—,—CH2O—,—CH═CH—,—C≡C—,—(CH2)4—,—O(CH2)3—,—(CH2)3O—,—COO—,—OCO—,—OCF2—或—CF2O—;p和q各自独立地为0或1。