Muncy, Geissler, Olds & Lowe, P.C.
Difluoromethoxy-bridge liquid crystal compound containing methyl-substituted 2,3-difluorophenyl and crystal composition
Provided are a difluoromethoxy-bridge liquid crystal compound containing methyl-substituted 2,3-difluorophenyl, a liquid crystal composition containing the compound, and a liquid crystal display element and a liquid crystal display, wherein said liquid crystal composition is represented by the following formula I: wherein the difluoromethoxy-bridge liquid crystal compound containing methyl-substituted 2,3-difluorophenyl not only has a high clearing point (CP) and a prominent low-temperature miscibility with other liquid crystals, but also has a good stability to ultraviolet light, stability to high temperatures, and particularly also a high vertical dielectric constant (ε⊥), and may be applied to the formulation of various types of liquid crystal compositions, and it is particularly prominent that the compound has the advantages of both a good low-temperature miscibility and a high vertical dielectric constant (ε⊥). 
Shijiazhuang Chengzhi Yonghua Display Material Co., Ltd.
C C C C C C C C C C C C C C C C
C07C C09K C07C C09K C09K C09K C09K C09K C07C C09K C09K C09K C09K C09K C09K C09K
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Wenfei Zhengqiang Jinsong Guoliang Hubo Ming Lei
Liu Li Meng Yun Zhang Li Zhao