公开(公告)号：US09726933B2

公开(公告)日：2017-08-08

申请号：US14652568

申请日：2013-11-26

申请人： Merck Patent GmbH

发明人： Graziano Archetti ,  Andreas Taugerbeck ,  Renate Bender ,  Rocco Fortte ,  Peer Kirsch ,  Izumi Saito

IPC分类号： G02F1/1333 ,  G02F1/1337 ,  C09K19/06 ,  C09K19/56 ,  C07C31/27 ,  C07C33/26 ,  C07C33/36 ,  C07C43/23 ,  C09K19/34 ,  C09K19/54 ,  G02F1/1343 ,  C09K19/04 ,  C09K19/12 ,  C09K19/30

CPC分类号： G02F1/1337 ,  C07C31/27 ,  C07C31/276 ,  C07C33/26 ,  C07C33/36 ,  C07C43/23 ,  C07C2601/14 ,  C09K19/063 ,  C09K19/3003 ,  C09K19/3402 ,  C09K19/542 ,  C09K19/56 ,  C09K2019/0444 ,  C09K2019/0448 ,  C09K2019/122 ,  C09K2019/123 ,  C09K2019/3009 ,  C09K2019/301 ,  C09K2019/3016 ,  C09K2019/3036 ,  C09K2019/304 ,  C09K2019/3063 ,  C09K2019/3422 ,  G02F1/134363 ,  G02F2001/133742

摘要： The present invention relates to liquid-crystalline media (LC media) having negative or positive dielectric anisotropy comprising self-alignment additives (SAMs) with an at least one bifunctional or polyfunctional anchor group, which effects the homeotropic (vertical) alignment of the LC media at a surface or the cell walls of a liquid-crystal display (LC display). The invention therefore also encompasses LC displays having homeotropic alignment of the liquid-crystalline medium (LC medium) without conventional imide alignment layers. The LC media may be supplemented by a polymerizable or polymerized component, which serves for stabilization of the alignment, for adjustment of the tilt angle and/or as passivation layer.