| 摘要 |
PROBLEM TO BE SOLVED: To provide a liquid crystal compound that has no or small conventional defects, preferably has a large resistance and a low threshold voltage, particularly provide a medium for such matrix LCD, TN or STN display. SOLUTION: This invention provides a liquid crystal compound represented by general formula I exemplified by a compound represented by formula II and/or formula III (wherein R1 is a 1-10C straight chain alkyl group or a 2-10C alkenyl). |
