LIQUID CRYSTAL MEDIUM

• Main Authors: KLASEN-MEMMER MELANIE, BREMER MATTHIAS
• Format: Patent
• Language: English; Japanese
• Published: 16.03.2017
• Subjects: 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

PROBLEM TO BE SOLVED: To provide an excellent liquid crystal medium based on a mixture of polar compounds.SOLUTION: The present invention provides a liquid crystal medium of negative dielectric anisotropy based on a mixture of polar compounds, which comprises at least one compound represented by formula IA-1, and at least one compound selected from three compound groups represented by formula IC-1 (Yand Yindependently represent F, Cl, CF, CHF, CHF, OCF, OCHF, OCHFor CN; Ris an alkyl or alkenyl group having 6 or less carbon atoms).SELECTED DRAWING: None 【課題】極性化合物類の混合物に基づく優れた液晶媒体の提供。【解決手段】式ＩＡ-1で代表される少なくとも１種類の化合物と、式ＩＣ-１で代表される３種類の化合物群より選択される少なくとも１種類の化合物と、を含む極性化合物類の混合物の負の誘電異方性の液晶媒体。（Ｙ１及びＹ２は夫々独立にＦ、Ｃｌ、ＣＦ３、ＣＨＦ２、ＣＨ２Ｆ、ＯＣＦ３、ＯＣＨ２Ｆ、ＯＣＨＦ２又はＣＮ；Ｒ１ＣはＣ６までのアルキル又はアルケニル基）【選択図】なし