| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a liquid crystal composition satisfying at least one character, or having an appropriate balance in at least 2 characters in the characters such as a high upper limit temperature of a nematic phase, low lower limit temperature of the nematic phase, low viscosity, suitable optical anisotropy, large dielectric anisotropy, large specific resistance, and high stability to ultraviolet light, and high stability to heat. <P>SOLUTION: This liquid crystal composition is provided by including a new tetracyclic compound as a first component exemplified by structural formula (1-1-a), having a high upper limit temperature and a large dielectric anisotropy, and as a second component, a specific compound having a small dielectric anisotropy, and having a nematic phase, and a liquid crystal display element containing the composition is also provided. <P>COPYRIGHT: (C)2011,JPO&INPIT</p> |
