摘要 |
- Difluorovinyl 4-substituted cyclohexyl ethers of formula (I) are new; in which R = alk(en)yl with /} 12 carbon (C) atoms, in which 1 or more methylene (CH2) group may be replaced by oxygen (-O-), difluoromethylene (-CF2-) or ethenylene (-CH=CH-) or 1 or 2 CH group may be replaced by CF, without adjacent O atoms; ring A = 1,4-cyclohexylene, 1,4-cyclohexenylene or 1,4-phenylene, optionally mono- or di-substituted by fluorine (F); X = hydrogen (H) or F; m = 0 or 1. Also claimed are liquid crystalline (LC) media containing >= 2 LC components, >= 1 of which is (I); and electro-optical displays containing a medium of this type.
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申请人 |
MERCK PATENT GMBH, 64293 DARMSTADT, DE |
发明人 |
POETSCH, EIKE, DR., 64367 MUEHLTAL, DE;KOMPTER, MICHEL, DR., 64560 RIEDSTADT, DE;TARUMI, KAZUAKI, DR., 64342 SEEHEIM-JUGENHEIM, DE;BINDER, WERNER, 64807 DIEBURG, DE;KRAUSE, JOACHIM, DR., 64807 DIEBURG, DE;BARTMANN, EKKEHARD, DR., 64390 ERZHAUSEN, DE |