CYCLOHEXENE-3,6-DIYL COMPOUND, LIQUID CRYSTAL COMPOSITION AND LIQUID CRYSTAL DISPLAY DEVICE
申请人:Sasada Yasuyuki
公开号:US20130270480A1
公开(公告)日:2013-10-17
To provide a compound, when the compound has both a high clearing point and a low crystallization temperature, having a wide temperature range of a liquid crystal phase and also an excellent solubility in other liquid crystal compounds, and further having general physical properties necessary for the compound, namely, stability to heat, light and so forth, a suitable optical anisotropy and a suitable dielectric anisotropy. A compound is represented by formula (1):
wherein, for example, Ra and Rb are alkyl having 1 to 10 carbons; A
1
, A
2
, A
3
and A
4
are 1,4-phenylene; Z
1
, Z
2
, Z
3
and Z
4
are a single bond or alkylene having 1 to 4 carbons; and m, n, q and r are independently 0, 1, or 2, and a sum of m, n, q and r is 1, 2, 3 or 4.
为了提供一种化合物,该化合物具有高的清除点和低的结晶温度,具有广泛的液晶相温度范围,同时在其他液晶化合物中具有优异的溶解性,并且进一步具有化合物所必需的一般物理性质,即耐热性、耐光性等,适当的光学各向异性和适当的介电各向异性。该化合物由式(1)表示:其中,例如,Ra和Rb是具有1至10个碳的烷基;A1、A2、A3和A4是1,4-苯撑基;Z1、Z2、Z3和Z4是单键或具有1至4个碳的烷基;m、n、q和r独立地为0、1或2,并且m、n、q和r的总和为1、2、3或4。