DIFLUOROETHYLENEOXI DERIVATIVES, THE LIQUID CRYSTAL COMPOSITION AND THE LIQUID CRYSTAL DISPLAY DEVICE
申请人:SASADA Yasuyuki
公开号:US20130230669A1
公开(公告)日:2013-09-05
To provide a liquid crystal compound showing a large absolute value of dielectric anisotropy (|Δ∈|. A compound is represented by formula (1):
wherein, in formula (1), Ra and Rb are fluorine, alkyl having 1 to 10 carbons or the like, and in the alkyl, at least one of —CH
2
— may be replaced by —O— or the like, however, Ra and Rb are not identical; A
1
, A
2
, A
3
, A
4
and A
5
are 1,4-cyclohexylene, 1,4-phenylene or the like, and in the groups, at least one of hydrogen may be replaced by fluorine; Z
1
, Z
2
, Z
4
and Z
5
are a single bond or the like; Y
1
, Y
2
, Y
3
and Y
4
are hydrogen, fluorine or the like; and m, n, q and r are 0, 1 or 2, and a sum of m, n, q and r is 0, 1, 2, 3 or 4.
提供一种具有大的介电各向异性绝对值(|Δ∈|)的液晶化合物。该化合物由以下式子表示:其中,在式子(1)中,Ra和Rb是氟、具有1至10个碳原子的烷基或类似物,在烷基中,至少有一个—CH2—可以被—O—或类似物所取代,但Ra和Rb不相同;A1、A2、A3、A4和A5是1,4-环己烯基、1,4-苯基或类似物,在这些基团中,至少有一个氢原子可以被氟所取代;Z1、Z2、Z4和Z5是单键或类似物;Y1、Y2、Y3和Y4是氢、氟或类似物;m、n、q和r为0、1或2,且m、n、q和r的和为0、1、2、3或4。