| abstract |
(57) [Summary] [PROBLEMS] A novel phenanthrene and fluorene derivative, Provided are a liquid crystal material comprising the derivative, a liquid crystal composition containing the derivative, and a liquid crystal element containing the derivative. More specifically, the present invention provides a novel phenanthrene and fluorene derivative capable of forming a liquid crystal element having a wide operating temperature range, capable of driving at a low voltage, having a high-speed response, and obtaining a stable contrast, and uses thereof. . SOLUTION: General formula (I) And a liquid crystal composition and a liquid crystal display device containing the same. |