LIQUID CRYSTAL COMPOUND, LIQUID CRYSTAL COMPOSITION AND LIQUID CRYSTAL DISPLAY DEVICE
申请人:KOBAYASHI Masahide
公开号:US20120193577A1
公开(公告)日:2012-08-02
The invention provides a liquid crystal compound having a high stability to heat, light or the like, a wide temperature range of a nematic phase, a small viscosity, a suitable optical anisotropy, a large elastic constant K
33
, a large negative dielectric anisotropy and an excellent compatibility with other liquid crystal compounds. The invention provides a liquid crystal composition having characteristics similar to these of the compound. The invention provides a liquid crystal display device having a short response time, low electric power consumption, a low driving voltage, a large contrast and a wide temperature range in which the device can be used.
The compound is a 2,3-difluorobenzene derivative (1) having a combination of a cyclohexane ring, a cyclohexene ring or a benzene ring phenyl and a butene bonding group. The liquid crystal composition includes this compound, and the liquid crystal display device contains this composition.
该发明提供了一种液晶化合物,具有高热稳定性、耐光性等特点,具有宽的向列相温度范围,低粘度,适当的光学各向异性,大的弹性常数K33,大的负介电各向异性,并且与其他液晶化合物具有良好的兼容性。该发明提供了一种具有与该化合物相似特性的液晶组合物。该发明提供了一种具有短响应时间、低电功耗、低驱动电压、大对比度和可以使用的宽温度范围的液晶显示装置。该化合物是一种2,3-二氟苯衍生物(1),具有环己烷环、环己烯环或苯环苯基和丁烯键合基的组合。该液晶组合物包括这种化合物,液晶显示装置包含该组合物。