| 摘要 |
<p>A liquid crystal compound represented by formula (1) and having a high elastic constant ratio, a lower viscosity than existing liquid crystal compounds, an excellent compatibility with other liquid crystal compounds particularly at low temperatures, and also a chemical stability, a liquid crystal composition comprising the same, and a liquid crystal display made by using the same (wherein R1 represents an alkyl or alkenyl group; R2 represents an alkylene group; R3 represents an alkenyl group; ring A represents a phenylene group; rings B, C, and D represent each a cyclohexylene or phenylene group; Z1 to Z3 represent each a single bond, an alkylene, -CH=CH- or the like; and n and m are each 0 or 1).</p> |
