| abstract |
A compound having a relatively low viscosity, a broad nematic phase temperature range, a good compatibility with other liquid crystal components at low temperatures and a positive large dielectric anisotropy value, and a liquid crystal composition having a low viscosity and capable of realizing a low driving threshold voltage of display elements are provided, which compound is a cyclohexane derivative expressed by the formulan wherein R is 1-10C alkyl group, ℓ is 1 or 2, m is 0 or 1 and ℓ + m = 2. |