Negative dielectric anisotropy liquid crystal composition and liquid crystal display device

The invention relates to a negative dielectric anisotropy liquid crystal composition and a liquid crystal display device. The negative dielectric anisotropy liquid crystal composition comprises at least one compound as shown in a formula I; at least one compound as shown in formula II; at least one...

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Bibliographische Detailangaben
Hauptverfasser:	SHU KELUN, YIN SHUO, FENG PEICHUAN, LUAN ZHAOCHANG, LAI YUHONG
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	ADHESIVES CHEMISTRY DEVICES OR ARRANGEMENTS, THE OPTICAL OPERATION OF WHICH ISMODIFIED BY CHANGING THE OPTICAL PROPERTIES OF THE MEDIUM OF THEDEVICES OR ARRANGEMENTS FOR THE CONTROL OF THE INTENSITY,COLOUR, PHASE, POLARISATION OR DIRECTION OF LIGHT, e.g.SWITCHING, GATING, MODULATING OR DEMODULATING DYES FREQUENCY-CHANGING MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FORELSEWHERE METALLURGY MISCELLANEOUS APPLICATIONS OF MATERIALS MISCELLANEOUS COMPOSITIONS NATURAL RESINS NON-LINEAR OPTICS OPTICAL ANALOGUE/DIGITAL CONVERTERS OPTICAL LOGIC ELEMENTS OPTICS PAINTS PHYSICS POLISHES TECHNIQUES OR PROCEDURES FOR THE OPERATION THEREOF
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Beschreibung
Zusammenfassung:	The invention relates to a negative dielectric anisotropy liquid crystal composition and a liquid crystal display device. The negative dielectric anisotropy liquid crystal composition comprises at least one compound as shown in a formula I; at least one compound as shown in formula II; at least one compound as shown in formula III; and at least one compound as shown in formula IV. The negative dielectric anisotropy liquid crystal composition can obtain reduced viscosity on the basis of maintaining a proper optical anisotropy value and dielectric anisotropy, so that the response time can be shortened, and quick response can be realized. 本发明涉及负介电各向异性液晶组合物及液晶显示器件。本发明的负介电各向异性液晶组合物包含：至少一种式I所示化合物；至少一种式Ⅱ所示化合物；至少一种式Ⅲ所示化合物；以及，至少一种式Ⅳ所示化合物。本发明的负介电各向异性液晶组合物能够在维持合适的光学各向异性值、介电各向异性的基础上获得降低的粘度，由此能够降低响应时间，有利于实现快速响应。