公开(公告)号：US20040065866A1

公开(公告)日：2004-04-08

申请号：US10650765

申请日：2003-08-29

申请人： CHISSO CORPORATION

发明人： Takashi Kato ,  Tomoyuki Kondo ,  Henry Bernhardt ,  Shuichi Matsui ,  Hiroyuki Takeuchi ,  Yasuhiro Kubo ,  Fusayuki Takeshita ,  Etsuo Nakagawa

IPC分类号： C09K019/12 ,  C07C025/13 ,  C09K019/34 ,  C09K019/30

CPC分类号： C09K19/3491 ,  C07C17/2635 ,  C07C25/18 ,  C07C25/24 ,  C07C45/515 ,  C07C45/60 ,  C07F7/0896 ,  C09K19/0403 ,  C09K19/12 ,  C09K19/3001 ,  C09K19/3003 ,  C09K19/3402 ,  C09K19/3444 ,  C09K19/3458 ,  C09K19/406 ,  C09K19/42 ,  C09K2019/0407 ,  C09K2019/0444 ,  C09K2019/3027 ,  C09K2019/3422 ,  Y10T428/10 ,  C07C49/753 ,  C07C47/277

摘要： There are provided a liquid crystalline compound having a large negative nullnull, low viscosity, a large K33/K11 value, a small nullnull/nullL and mutually excellent solubility even at extremely low temperature; a liquid crystal composition prepared from a liquid crystalline compound; and a liquid crystal display device fabricated from such a liquid crystal composition. The liquid crystalline compound of the present invention is a liquid crystalline compound represented by the following general formula (1): 1 where, R1 represents hydrogen, fluorine, an alkyl group having 1 to 15 carbon atoms, or an alkenyl group having 2 to 15 carbon atoms; each of rings A1, A2, and A3 independently represents trans-1,4-cyclohexylene group, 1,4-cyclohexenylene group, trans-1,4-silacyclohexylene group, 1,4-phenylenegroup, 2,3-difluoro-1,4-phenylene group, 2-fluoro-1,4-phenylene group, 3-fluoro-1,4-phenylene group, pyrimidine-2,5-diyl group, pyridine-2,5-diyl group, 1,3-dioxane-2,5-diyl group, tetrahydropyrane-2,5-diyl group, 1,3-dithiane-2,5-diyl group, or tetrahydrothiopyrane-2,5-diyl group; X1 represents hydrogen or fluorine; Y1 represents hydrogen or an alkyl group having 1 to 15 carbon atoms; 1 represents an integer from 1 to 10; and each of m and n independently represents 0 or 1.

摘要翻译： 提供了具有大的负三角锥，低粘度，大的K33 / K11值，小的三角/ epsilonL的液晶化合物，即使在极低的温度下也具有相互优异的溶解性; 由液晶化合物制备的液晶组合物; 以及由这种液晶组合物制造的液晶显示装置。 本发明的液晶性化合物是由以下通式（1）表示的液晶性化合物：其中，R 1表示氢，氟，碳原子数1〜15的烷基或具有2个 15个碳原子; 环A 1，A 2和A 3各自独立地表示反式-1,4-亚环己基，1,4-亚环己烯基，反-1,4-硅亚环己基，1,4-亚苯基 ，2,3-二氟-1,4-亚苯基，2-氟-1,4-亚苯基，3-氟-1,4-亚苯基，嘧啶-2,5-二基，吡啶-2,5 - 二基，1,3-二恶烷-2,5-二基，四氢吡喃-2,5-二基，1,3-二噻烷-2,5-二基或四氢噻喃-2,5-二基; X 1表示氢或氟; Y 1表示氢或碳原子数1〜15的烷基。 1表示1〜10的整数， m和n各自独立地表示0或1。