| abstract |
The invention provides a liquid crystal composition, which satisfies at least one characteristic or has suitable balance between at least two characteristics among the characteristics of a high upper limited temperature of nematic phase, a low lower limited temperature of nematic phase, a small viscosity, a suitable optical anisotropy, a large negative dielectric anisotropy, a high resistivity, a high stability against ultraviolet light and a high stability against heat, etc. And the invention provides an AM device, which has a short response time, a large voltage retention rate, a high contrast ratio and long life, etc. The liquid crystal composition of the invention contains a specific bicyclic compound having a low lower limited temperature as a first component, a specific compound having a large negative dielectric anisotropy as a second component, which has a negative dielectric anisotropy. The liquid crystal display device of the invention contains the liquid crystal composition. |