LIQUID CRYSTAL COMPOUND, LIQUID CRYSTAL COMPOSITION AND LIQUID CRYSTAL DISPLAY DEVICE
申请人:JNC CORPORATION
公开号:US20160046864A1
公开(公告)日:2016-02-18
To provide a liquid crystal compound satisfying at least one physical property such as high stability to light, a high clearing point, low minimum temperature of a liquid crystal phase, small viscosity, suitable optical anisotropy, large dielectric anisotropy, large dielectric constant in a minor-axis direction, suitable elastic constant, excellent compatibility, a liquid crystal composition containing the compound and a liquid crystal display device including the composition. The compound is represented by formula (1):
wherein, for example, R
1
is alkyl having 1 to 15 carbons, rings A
1
to A
4
are 1,4-cyclohexylene or 1,4-phenylene, at least one of Z
1
to Z
5
is —CF
2
O—, and X
1
is fluorine or —OCF
3
;
W
1
is a group represented by formula (1a) or (1b);
wherein, Y
1
to Y
5
are fluorine;
W
2
is a group represented by formula (1c) or (1d);
wherein, L
1
to L
5
are fluorine; and a, b, c and d are independently 0 or 1.