| 摘要 |
<p>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.</p> |
