公开(公告)号：US20190292459A1

公开(公告)日：2019-09-26

申请号：US16285553

申请日：2019-02-26

申请人： SHIJIAZHUANG CHENGZHI YONGHUA DISPLAY MATERIAL CO., LTD.

发明人： Zhian LIANG ,  Guoliang YUN ,  Yujing DI ,  Zhe SHAO ,  Sumin KANG ,  Dongmei WANG

IPC分类号： C09K19/44 ,  C09K19/30 ,  C09K19/34 ,  C09K19/32 ,  C09K19/12

摘要： Disclosed is a liquid crystal composition comprising one or more compounds represented by formula I, one or more compounds represented by formula II, and one or more compounds represented by formula III: The liquid crystal composition has simultaneously a lower rotary viscosity, a better photoelectric performance, a higher clearing point, a good low temperature performance, and less display defects. Further disclosed is a liquid crystal display element or device comprising the liquid crystal composition.