LIQUID CRYSTAL COMPOUND HAVING TETRAFLUOROPROPENYL, LIQUID CRYSTAL COMPOSITION, AND LIQUID CRYSTAL DISPLAY ELEMENT
申请人:JNC CORPORATION
公开号:US20150069297A1
公开(公告)日:2015-03-12
A liquid crystal compound having high stability to heat and light, etc., a high clearing point, a low minimum temperature of liquid crystal phase, a low viscosity, a suitable optical anisotropy, a large dielectric anisotropy, a suitable elastic constant, and good compatibility with other liquid crystal compounds, a liquid crystal composition containing the compound, and a LCD element using the composition are described. The compound is represented by formula (1):
wherein, for example, R
1
is C
1-10
alkyl, ring A
1
, ring A
2
, ring A
3
, ring A
4
and ring B
1
are independently 1,4-cyclohexylene, 1,4-phenylene, 1,4-phenylene in which at least one hydrogen is substituted with halogen, 1,3-dioxane-2,5-diyl, or tetrahydropyran-2,5-diyl, Z
1
, Z
2
, Z
3
and Z
4
are single bonds, l, m, n and o are independently 0 or 1, and l+m+n+o≧1.