Liquid crystal composition and liquid display device

The present invention provides a liquid crystal composition and a liquid crystal display device. The liquid crystal composition comprises at least one compound of general formula I, at least one compound of general formula II and at least one compound of general formula III. The liquid crystal compo...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	PAN, DI-KE, WANG, PAN-PAN, HE, DI, DING, WEN-QUAN, DAI, HUI-JUAN, YAO, LI-FANG, ZHAO, FEI
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 present invention provides a liquid crystal composition and a liquid crystal display device. The liquid crystal composition comprises at least one compound of general formula I, at least one compound of general formula II and at least one compound of general formula III. The liquid crystal composition provided by the present invention has a suitable optical anisotropy, a suitable clearing point, a suitable dielectric anisotropy absolute value, a large K value, a low rotational viscosity, a short response time, a high transmittance, a high contrast and a long low-temperature storage time. A liquid crystal display device prepared thereby has excellent performance and is suitable for fast response, high-contrast VA, IPS, NFFS and other display modes.