PENTACYCLIC LIQUID CRYSTAL COMPOUND HAVING CF<SB>2</SB>O BONDING GROUP, LIQUID CRYSTAL COMPOSITION AND LIQUID CRYSTAL DISPLAY
申请人:Chisso Corporation
公开号:EP2116522A1
公开(公告)日:2009-11-11
The invention provides a five-ring liquid crystal compound having a CF2O bonding group as a new compound having a general physical properties necessary for compounds, stability to heat, light and so forth, a wide temperature range of liquid crystal phases, a high clearing point, a good compatibility with other compounds, a large dielectric anisotropy and refractive index anisotropy, and an especially high clearing point and an especially large refractive index anisotropy, and provides a liquid crystal composition and a liquid crystal display device.
本发明提供了一种具有 CF2O 键合基团的五环液晶化合物,作为一种新型化合物,它具有化合物所需的一般物理性质,对热、光等稳定,液晶相的温度范围宽,透明点高,与其他化合物的相容性好,介电各向异性和折射率各向异性大,透明点特别高,折射率各向异性特别大,并提供了一种液晶组合物和一种液晶显示装置。