公开(公告)号：US11939511B2

公开(公告)日：2024-03-26

申请号：US17049516

申请日：2019-04-18

Applicant: MERCK PATENT GMBH

Inventor： Lars Lietzau ,  Simon Siemianowski ,  Izumi Saito

IPC: G02F1/1333 ,  C07C13/28 ,  C07C25/18 ,  C07C25/24 ,  C07C43/184 ,  C07C43/21 ,  C07C43/225 ,  C07C69/753 ,  C07D213/30 ,  C07D239/26 ,  C07D307/91 ,  C07D309/06 ,  C07D311/80 ,  C07D319/06 ,  C09K19/30 ,  C09K19/34 ,  C09K19/56 ,  G02F1/1337 ,  G02F1/1341 ,  C09K19/04

CPC classification number: C09K19/56 ,  C07C13/28 ,  C07C25/18 ,  C07C25/24 ,  C07C43/184 ,  C07C43/21 ,  C07C43/225 ,  C07C69/753 ,  C07D213/30 ,  C07D239/26 ,  C07D307/91 ,  C07D309/06 ,  C07D311/80 ,  C07D319/06 ,  C09K19/3003 ,  C09K19/3066 ,  C09K19/3098 ,  C09K19/3402 ,  C09K19/3491 ,  G02F1/133738 ,  G02F1/133788 ,  G02F1/1341 ,  C07C2601/14 ,  C07C2602/10 ,  C09K2019/0466 ,  C09K2019/3004 ,  C09K2019/3009 ,  C09K2019/301 ,  C09K2019/3016 ,  C09K2019/3025 ,  C09K2019/3422 ,  C09K2019/3425

Abstract: The invention relates to a compound of formula I,




wherein R11, R21, A11, A, Z, X11, X21, Y11, Y12, Sp11, Sp21, o and p have one of the meanings as given in claim 1. The invention further relates to method of production of a compound of formula I, to the use of said compounds in LC media and to LC media comprising one or more compounds of formula I. Further, the invention relates to a method of production of such LC media, to the use of such media in LC devices, and to LC device comprising a LC medium according to the present invention. The present invention further relates to a process for the fabrication such liquid crystal display and to the use of the liquid crystal mixtures according to the invention for the fabrication of such liquid crystal display.

公开(公告)号：US11353751B2

公开(公告)日：2022-06-07

申请号：US17032367

申请日：2020-09-25

Applicant: Merck Patent GmbH

Inventor： Joseph Sargent ,  Sarabjot Kaur ,  Simon Siemianowski ,  Izumi Saito

IPC: C09K19/04 ,  G02F1/1337 ,  C09K19/56 ,  C09K19/58 ,  C09K19/54

Abstract: A double layer liquid crystal device comprises a first and a second layer with orthogonal or crossed alignment of the liquid crystal phase of the two layers, in which the first and second layer have first and second alignment aids comprised of a polymerized or polymerizable molecular compound. The layers are aligned by UV photoalignment and vertical self-alignment by the aid of suitable additives.

公开(公告)号：US11905450B2

公开(公告)日：2024-02-20

申请号：US17049531

申请日：2019-04-18

Applicant: MERCK PATENT GMBH

Inventor： Lars Lietzau ,  Simon Siemianowski ,  Izumi Saito ,  Rocco Fortte

IPC: C09K19/30 ,  C09K19/56 ,  G02F1/1337 ,  C07C69/736 ,  C07C69/90 ,  C07C69/92 ,  C09K19/34 ,  G02F1/1341 ,  G02F1/1343 ,  C09K19/04

CPC classification number: C09K19/56 ,  C07C69/736 ,  C07C69/90 ,  C07C69/92 ,  C09K19/3003 ,  C09K19/3066 ,  C09K19/3098 ,  C09K19/3402 ,  C09K19/3405 ,  C09K19/3491 ,  G02F1/1341 ,  G02F1/133738 ,  G02F1/133788 ,  G02F1/134309 ,  C07C2601/16 ,  C07C2602/10 ,  C07C2603/28 ,  C09K2019/0466 ,  C09K2019/301 ,  C09K2019/3004 ,  C09K2019/3009 ,  C09K2019/3016 ,  C09K2019/3025 ,  C09K2019/3408 ,  C09K2019/3422

Abstract: The invention relates to a compound of formula I,




wherein R11, R21, A11, A, Z, X11, X21, Y11, Y12, Sp11, Sp21, o and p have one of the meanings as given in claim 1. The invention further relates to method of production of a compound of formula I, to the use of said compounds in LC media and to LC media comprising one or more compounds of formula I. Further, the invention relates to a method of production of such LC media, to the use of such media in LC devices, and to LC device comprising a LC medium according to the present invention. The present invention further relates to a process for the fabrication such liquid crystal display and to the use of the liquid crystal mixtures according to the invention for the fabrication of such liquid crystal display.

公开(公告)号：US11053442B2

公开(公告)日：2021-07-06

申请号：US16062824

申请日：2016-12-02

Applicant: MERCK PATENT GMBH

Inventor： Kevin Adlem ,  Alex Davis ,  Joseph Sargent ,  Ian Charles Sage ,  Edward Plummer ,  Izumi Saito ,  Rocco Fortte ,  Helga Haas ,  Lars Lietzau

IPC: G02F1/1333 ,  C09K19/56 ,  C09K19/30 ,  C09K19/34 ,  G02F1/1337 ,  G02F1/1341 ,  C09K19/04

Abstract: The invention relates to a liquid crystal mixture characterised in that it comprises one or more photoreactive mesogens of formula I wherein the parameters and groups occurring are defined as indicated in claim 1, to a process for the fabrication of liquid crystal displays using these liquid crystal mixtures and to a liquid crystal display obtainable by this process. The invention further relates to new compounds of formula I.

公开(公告)号：US10513657B2

公开(公告)日：2019-12-24

申请号：US15803156

申请日：2017-11-03

Applicant: Merck Patent GmbH

Inventor： Graziano Archetti ,  Izumi Saito ,  Rocco Fortte ,  Thorsten Kodek

IPC: G02F1/1333 ,  C09K19/34 ,  C09K19/38 ,  C09K19/30 ,  C09K19/56 ,  G02F1/1337 ,  G02F1/1343 ,  G02F1/1341 ,  C09K19/04 ,  C09K19/14 ,  C09K19/12

Abstract: The present invention relates to liquid-crystalline media (LC media) having negative or positive dielectric anisotropy, comprising a low-molecular-weight component and a polymerizable component. The polymerizable component comprises self-aligning, polymerizable mesogens (polymerizable self-alignment additives) which effect 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 LC medium without alignment layers. The invention discloses novel structures for self-alignment additives which have a certain position of the functional groups.

公开(公告)号：US09809748B2

公开(公告)日：2017-11-07

申请号：US14643147

申请日：2015-03-10

Applicant: Merck Patent GmbH

Inventor： Graziano Archetti ,  Izumi Saito ,  Rocco Fortte ,  Thorsten Kodek

IPC: G02F1/1333 ,  C09K19/34 ,  C09K19/38 ,  C09K19/30 ,  C09K19/56 ,  G02F1/1337 ,  G02F1/1343 ,  G02F1/1341 ,  C09K19/04 ,  C09K19/14 ,  C09K19/12

CPC classification number: C09K19/3402 ,  C09K19/04 ,  C09K19/14 ,  C09K19/3003 ,  C09K19/3068 ,  C09K19/3852 ,  C09K19/56 ,  C09K2019/0448 ,  C09K2019/122 ,  C09K2019/123 ,  C09K2019/3004 ,  C09K2019/3009 ,  C09K2019/301 ,  C09K2019/3016 ,  C09K2019/3027 ,  C09K2019/304 ,  C09K2019/3078 ,  C09K2019/3422 ,  G02F1/1337 ,  G02F1/133788 ,  G02F1/1341 ,  G02F1/134363 ,  G02F2001/133742

Abstract: The present invention relates to liquid-crystalline media (LC media) having negative or positive dielectric anisotropy, comprising a low-molecular-weight component and a polymerizable component. The polymerizable component comprises self-aligning, polymerizable mesogens (polymerizable self-alignment additives) which effect 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 LC medium without alignment layers. The invention discloses novel structures for self-alignment additives which have a certain position of the functional groups.

公开(公告)号：US09611428B2

公开(公告)日：2017-04-04

申请号：US14436988

申请日：2013-10-04

Applicant: Merck Patent GmbH

Inventor： Markus Czanta ,  Harald Hirschmann ,  Izumi Saito ,  Volker Reiffenrath ,  Lars Lietzau

IPC: G02F1/1333 ,  C09K19/34 ,  C09K19/42 ,  C09K19/44 ,  C09K19/56 ,  C09K19/04 ,  C09K19/12 ,  C09K19/30

CPC classification number: C09K19/3402 ,  C09K19/42 ,  C09K19/44 ,  C09K19/56 ,  C09K2019/0466 ,  C09K2019/123 ,  C09K2019/301 ,  C09K2019/3422

Abstract: The invention relates to an electro-optical liquid-crystal display having a re-alignment layer for the re-alignment of the liquid crystals whose field has a component, crucial for the re-alignment, parallel to the liquid-crystal layer, containing a liquid-crystalline medium, characterized in that it contains at least one compound of the formula (I), at least one compound of the formula (II), and at least one compound of the formula (III), in which the parameters R11 to R31, X11 and X21 have the meanings indicated in Claim 1.

公开(公告)号：US10190049B2

公开(公告)日：2019-01-29

申请号：US15325258

申请日：2015-06-15

Applicant: MERCK PATENT GMBH

Inventor： Owain Ilyr Parri ,  Graziano Archetti ,  Simon Siemianowski ,  Izumi Saito ,  Rachel Tuffin

IPC: G02F1/1333 ,  C09K19/34 ,  C09K19/02 ,  C09K19/58 ,  C09K19/04

Abstract: The invention relates to mesogenic media comprising one or more bimesogenic compounds, one or more nematogenic compound, one or more chiral compound and a compound of formula I, R11-A11-(Z12-A12)m-AG  I in which, the parameter A11, A12, Z12 and R11 have one of the meanings as given in claim 1, and to the use of these mesogenic media in liquid crystal devices and in particular in flexoelectric liquid crystal devices, as well as to liquid crystal devices comprising a liquid crystal medium according to the present invention.

公开(公告)号：US09726933B2

公开(公告)日：2017-08-08

申请号：US14652568

申请日：2013-11-26

Applicant: Merck Patent GmbH

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

IPC: 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 classification number: 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

Abstract: 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.

公开(公告)号：US11312907B2

公开(公告)日：2022-04-26

申请号：US17050017

申请日：2019-04-18

Applicant: Merck Patent GmbH

Inventor： Lars Lietzau ,  Simon Siemianowski ,  Izumi Saito

IPC: G02F1/1333 ,  C09K19/20 ,  C09K19/30 ,  C09K19/38 ,  C09K19/04 ,  C09K19/34

Abstract: The invention relates to a compound of formula I, wherein R11, R21, A11, A, Z, X11, X21, Y11, Y12, Sp11, Sp21, o and p have one of the meanings as given in claim 1. The invention further relates to method of production of a compound of formula I, to the use of said compounds in LC media and to LC media comprising one or more compounds of formula I. Further, the invention relates to a method of production of such LC media, to the use of such media in LC devices, and to LC device comprising a LC medium according to the present invention. The present invention further relates to a process for the fabrication such liquid crystal display and to the use of the liquid crystal mixtures according to the invention for the fabrication of such liquid crystal display.