Liquid crystal compound containing dibenzothiophene and oxygen-containing heterocyclic ring, composition and application thereof

The invention belongs to the field of liquid crystal materials, and relates to a liquid crystal compound containing dibenzothiophene and oxygen-containing heterocycles as well as a preparation method and application of the liquid crystal compound. The chemical structural formula of the liquid crysta...

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Hauptverfasser:	ZHENG XIAOKUO, KANG SUMIN, LI MING, YUN GUOLIANG, XING JIEHAO, ZHAO LEI, WANG LIUYANG
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 belongs to the field of liquid crystal materials, and relates to a liquid crystal compound containing dibenzothiophene and oxygen-containing heterocycles as well as a preparation method and application of the liquid crystal compound. The chemical structural formula of the liquid crystal compound containing the dibenzothiophene and oxygen-containing heterocyclic rings is shown in the general formula I. The liquid crystal compound and the liquid crystal composition containing the liquid crystal compound have the properties of high clearing point, large dielectric, low viscosity, high VHR and the like, and are suitable for displays in VA, ECB, PALC, FFS or IPS modes. 本发明属于液晶材料领域，涉及一种含有二苯并噻吩并含氧杂环类的液晶化合物及其制备方法与应用，该含有二苯并噻吩并含氧杂环类的液晶化合物的化学结构式如通式Ⅰ所示：本发明所提供的液晶化合物以及包含本发明液晶化合物的液晶组合物具有高清亮点、较大的介电、低粘度、高VHR等性能，适用于VA、ECB、PALC、FFS或IPS模式中的显示器。