公开(公告)号：US20010038092A1

公开(公告)日：2001-11-08

申请号：US09836317

申请日：2001-04-18

申请人： CHISSO CORPORATION

发明人： Tomoyuki Kondou ,  Shuichi Matsui ,  Kazutoshi Miyazawa ,  Hiroyuki Takeuchi ,  Yasuhiro Kubo ,  Fusayuki Takeshita ,  Etsuo Nakagawa

IPC分类号： C07C025/13 ,  C09K019/52 ,  C09K019/20

CPC分类号： C07C25/18 ,  C07C43/225 ,  C09K19/12 ,  Y10T428/10

摘要： The present invention provides liquid crystalline compounds having a high voltage holding ratio and a low threshold voltage, little variation of these properties with temperature change, high nulln, and good compatibility with other liquid crystal materials particularly under a low temperature; liquid crystal compositions containing these crystalline compounds; and liquid crystal display devices made using these liquid crystal compositions. The liquid crystalline compounds are terphenyl derivatives represented by general formula (1): 1 wherein R represents a straight or branched alkyl group of 1-20 carbon atoms, and any methylene groups (nullCH2null) not adjacent each other in each alkyl group may be replaced by oxygen atoms; X is a halogen atom, nullOCF3, nullOCF2H, nullCF3, nullCF2H or nullCFH2; Y1, Y2, Y3, Y4, Y5 and Y6 independently represents H or F, but at least two of Y1, Y2, Y3 and Y4 represent F; and any atom constituting these compounds may be substituted by its isotope.

摘要翻译： 本发明提供具有高电压保持率和低阈值电压的液晶化合物，这些性质与温度变化的变化小，DELTAn高，与其他液晶材料的相容性特别好，在低温下; 含有这些结晶化合物的液晶组合物; 以及使用这些液晶组合物制成的液晶显示装置。 液晶化合物是由通式（1）表示的三联苯衍生物：其中R表示1-20个碳原子的直链或支链烷基，每个烷基中不相邻的任何亚甲基（-CH 2 - ）可以是 被氧原子取代; X是卤素原子，-OCF 3，-OCF 2 H，-CF 3，-CF 2 H或-CFH 2; Y1，Y2，Y3，Y4，Y5和Y6独立地表示H或F，但Y1，Y2，Y3和Y4中的至少两个表示F; 并且构成这些化合物的任何原子可以被其同位素取代。

公开(公告)号：US20010038891A1

公开(公告)日：2001-11-08

申请号：US09836315

申请日：2001-04-18

申请人： CHISSO CORPORATION

发明人： Tomoyuki Kondou ,  Shuichi Matsui ,  Kazutoshi Miyazawa ,  Hiroyuki Takeuchi ,  Yasuhiro Kubo ,  Fusayuki Takeshita ,  Etsuo Nakagawa

IPC分类号： C09K019/20 ,  C07C025/13 ,  G02F001/13 ,  C09K019/52

CPC分类号： C07C25/18 ,  C07C43/225 ,  C09K19/12 ,  Y10T428/10

摘要： The present invention provides liquid crystalline compounds having a high voltage holding ratio and a low threshold voltage, little variation of these properties with temperature change, high An, and good compatibility with other liquid crystal materials particularly under a low temperature; liquid crystal compositions containing these crystalline compounds; and liquid crystal display devices made using these liquid crystal compositions. The liquid crystalline compounds are terphenyl derivatives represented by general formula (1): 1 wherein R represents a straight or branched alkyl group of 1-20 carbon atoms, and any methylene groups (nullCH2null) not adjacent each other in each alkyl group may be replaced by oxygen atoms; X is a halogen atom, nullOCF3, nullOCF2H, nullCF3, nullCF2H or nullCFH2; Y1, Y2, Y3, Y4, Y5 and Y6 independently represents H or F, but at least two of Y1, Y2, Y3 and Y4 represent F; and any atom constituting these compounds may be substituted by its isotope.

摘要翻译： 本发明提供了具有高电压保持率和低阈值电压的液晶化合物，这些性质与温度变化的变化很小，高的An，以及与其他液晶材料的相容性，特别是在低温下; 含有这些结晶化合物的液晶组合物; 以及使用这些液晶组合物制成的液晶显示装置。 液晶化合物是由通式（1）表示的三联苯衍生物：其中R表示1-20个碳原子的直链或支链烷基，每个烷基中不相邻的任何亚甲基（-CH 2 - ）可以是 被氧原子取代; X是卤素原子，-OCF 3，-OCF 2 H，-CF 3，-CF 2 H或-CFH 2; Y1，Y2，Y3，Y4，Y5和Y6独立地表示H或F，但Y1，Y2，Y3和Y4中的至少两个表示F; 并且构成这些化合物的任何原子可以被其同位素取代。