PHOTOSTABILES FLÜSSIGKRISTALLINES MEDIUM

FLUESSIGKRISTALLINES MEDIUM MIT MINDESTENS ZWEI FLUSSIGKRISTALLINEN KOMPONENTEN

Partially fluorinated benzene derivatives and liquid-crystalline medium

Partially fluorinated benzene derivatives of the formula I in which R, A<1>, A<2>, Q, Y, L<1>, L<2>, L<3> and m have the meaning given in Claim 1 are suitable as components in liquid-crystalline media.< ...

Polymerisierbare Flüssigkristallmischung und daraus hergestellter Flüssigkristallfilm

Nematic liquid crystalline medium

NEMATIC LIQUID CRYSTALLINE MEDIUM

Dihalobenzene liquid crystalline compounds

Certain compounds containing a 2,3-dihalo-1,4-phenylene group may be incorporated into liquid crystal compositions.

Acetylene derivatives and liquid-crystalline medium

Liquid crystal cyanophenylethanes

Liquid crystal ethane compounds having a positive dielectric anisotropy are represented by the general formula (I) as follows: wherein A is a substituted ring structure which includes a terminal alkyl group, A being selected from: where R is an alkyl group, and the cyclohexane ring is trans-, where R is an alkyl group, and where R1- is an alkyl group R-, an group RO- an alkylcarbonyloxy group RCO, O- or an alkoxycarbonyloxy group; and wherein X is either hydrogen or fluorine, provided that if X is hydrogen A is These compounds may be prepared by routes involving known procedures, eg Friedel-Crafts acylation followed by reduction.

3,4,5-tricyanophenyl derivatives

LIQUIDCRYSTALLINE COMPOSITION, CONTAINING OPTICAL ACTIVE CONNECTION AND LIQUIDCRYSTALLINE ELECTROOPTICAL ELEMENT

CONNECTIONS FOR THE APPLICATION IN LIQUIDCRYSTALLINE MEDIA

POLYMERIZE-CASH LIQUID CRYSTAL MIXTURE AND OF IT MAKING LIQUID CRYSTAL FILM

FLUORINE BENZENE DERIVATIVES AND LIQUIDCRYSTALLINE MEDIUM

FLUOROBENZOLE DERIVATIVES AND MESOMORPHOUS MEDIUM

Chlorobenzene derivative and liquid-crystal composition containing the same

Alkoxybenzene derivative, liquid-crystal composition, and liquid-crystal display element

LIQUID CRYSTAL MIXTURE.

Polycyclic acetylene derivatives and the use thereof as components of liquid-crystalline mixtures

Compounds of the formula in which ring B is 1,4-phenylene or a trans-1,4-disubstituted cyclohexane ring, and A is a group containing 1 to 3 six-membered rings which, together with ring B, forms a central group of the formulae given in Claim 1, R<1> is a straight-chain alkyl group having 1 to 9 carbon atoms or, on a benzene, monofluorinated benzene or pyrimidine ring, alternatively a straight-chain alkoxy group having 1 to 9 carbon atoms, and R<2> is hydrogen, cyano or a straight-chain alkyl group having 1 to 7 carbon atoms, the preparation thereof, liquid-crystalline mixtures which contain such compounds, and the use for electro-optical purposes are described. The compounds of the formula I are particularly valuable as components in liquid-crystal mixtures and for the most part themselves have liquid-crystalline properties.

ANISOTROPIC CONNECTIONS AND FIBER PLASTIC MIXTURES WITH THESE.

DIHALOGENBENZOLDERIVATE.

Certain compounds containing a 2,3-dihalo-1,4-phenylene group may be incorporated into liquid crystal compositions.

LIQUID-CRYSTAL COMPOSITION AND LIQUID-CRYSTAL DISPLAY ELEMENT INCLUDING SAME

Liquid crystal display element

Liquid crystal composition and its use, and liquid crystal display assembly and method for manufacturing same

Fluorobenzene derivatives and liquid-crystalline medium.

본 발명은 액정 매질의 성분으로서 적합한 하기 화학식 I의 화합물에 관한 것이다: The present invention relates to compounds of formula (I) which are suitable as components of the liquid crystal medium: 화학식 I Formula I 상기식에서, In the above formula, R 은 H, C 1 내지 C 15 의 알킬 또는 알케닐 라디칼(이 라디칼들은 치환되지 않거나, 또는 CN 또는 CF 3 에 의해 일치환되거나 할로겐에 의해 적어도 일치환되며; 이 라디칼들중의 하나 이상의 CH 2 그룹들은 또한, 각각의 경우에 서로 독립적으로, O 원자가 서로 직접 결합되지 않도록 하는 방법으로 -O-, -S-, , -CO-, -CO-O-, -O-CO- 또는 -O-CO-O- 에 의해 치환될 수 있다)이고, R is H, C 1 to C 15 alkyl or alkenyl radicals (the radicals are unsubstituted or monosubstituted by CN or CF 3 or at least monosubstituted by halogen; at least one CH 2 of these radicals The groups are also, in each case independent of each other, in such a way that the O atoms are not bonded directly to each other. , -CO-, -CO-O-, -O-CO- or -O-CO-O- may be substituted) A 1 및 A 2 는 각각의 경우에 서로 독립적으로 A 1 and A 2 in each case independently of each other (a) 트랜스-1,4-사이클로헥실렌 라디칼(여기서, 하나이상의 인접하지 않은 CH 2 그룹들은 또한 -O- 및/또는 -S- 에 의해 치환될 수 있다), (a) a trans-1,4-cyclohexylene radical, wherein one or more non-contiguous CH 2 groups may also be substituted by -O- and / or -S-, (b) 1,4-페닐렌 라디칼 (여기서, 1 또는 2 개의 CH 그룹들은 또한 N 에 의해 치환될 수 있다), (b) 1,4-phenylene radicals, wherein one or two CH groups may also be substituted by N, (c) 1,4-사이클로헥세닐렌, 1,4-비사이클로[2.2.2]옥틸렌, 피페리딘-1,4-디일, 나프탈렌-2,6-디일, 데카하이드로나프탈렌-2,6-디일 및 1,2,3,4-테트라하이드로나프탈렌-2,6-디일로 이루어진 그룹중에서 선택된 라디칼(여기서, 라디칼(a) 및 (b)는 CN 또는 불소에 의해 치환될 수 있다)이며, (c) 1,4-cyclohexenylene, 1,4-bicyclo [2.2.2] octylene, piperidine-1,4-diyl, naphthalene-2,6-diyl, decahydronaphthalene-2, Radicals selected from the group consisting of 6-diyl and 1,2,3,4-tetrahydronaphthalene-2,6-diyl, wherein the radicals (a) and (b) may be substituted by CN or fluorine) , Z 1 및 Z 2 는 각각의 경우에 서로 독립적으로, -CO-O-, -O-CO-, -CH 2 O-, -OCH 2 -, -CH 2 CH 2 -, -CH=CH-, -C=C- 또는 단일결합이고, 라디칼 Z 1 과 Z 2 중 어느 하나는 또한 -(CH 2 ) 4 - 또는 -CH=CH-CH 2 CH 2 - 이며, Z 1 and Z 2 in each occurrence independently of one another are -CO-O-, -O-CO-, -CH 2 O-, ...

PROCESS FOR PREPARING RING COMPOUNDS THROUGH COMBINATIONAL SYNTHESIS INCLUDING SUZUKI COUPLING, HALO-DEMETALLATION, AND FINAL SUZUKI COUPLING

PURPOSE: A process for preparing ring compounds is provided to obtain ring compounds with high yield and high conversion through a few reaction steps. CONSTITUTION: A ring compound is represented by chemical formula 13. In chemical formula 13, m and n are the same or different represent 0 or 1, wherein m+n is 1 or 2; Y is selected from the group of chemical formula 14-17; L is the same or different; R is C1-12 alkyl, alkenyl or acyl groups or C6 aryl group; and a, b, c, d, e and f are the same or different represent 0, 1 or 2, wherein (a+b+c+d+e+f) is 1-8. COPYRIGHT KIPO 2011 ...

네마틱 액정 조성물 및 이것을 사용한 액정 표시 소자

... 응답 성능이 우수하며, 또한, 충분한 프리틸트각을 갖고, 잔류 모노머량이 적고, 전압 유지율(VHR)이 낮은 것 등에 기인한 배향 불량이나 표시 불량과 같은 문제가 없거나, 혹은 극히 적은 PSA형 또는 PSVA형 액정 표시 소자를 제조하기 위한 중합성 화합물을 포함하는 액정 조성물을 제공하고, 이것을 사용한 액정 표시 소자를 제공한다. 본 발명의 액정 조성물은, 굴절률이방성(Δn) 및 네마틱상-등방성 액체상 전이 온도(Tni)를 저하시키지 않으며, 고체상-네마틱상 전이 온도(Tcn)를 상승시키지 않고, 점도(η)를 충분히 작고, 회전 점성(γ1)이 충분히 작고, 탄성 정수(K33)가 큰 액정 조성물이고, 이것을 사용한 액정 표시 소자는 프리틸트각이 충분히 얻어지며, 전압 유지율(VHR)이 높고, 고속 응답이기 때문에, 배향 불량이나 소부와 같은 표시 불량이 없거나 또는 억제된, 표시 품위가 우수한 응답 속도가 빠른 액정 표시 소자가 얻어진다.

POLYMERIZABLE COMPOUND, LIQUID CRYSTAL COMPOSITION, AND LIQUID CRYSTAL DISPLAY ELEMENT

Provided is a liquid crystal composition that satisfies at least one property, or has appropriate balance between at least two properties, that include a high upper limit temperature of the nematic phase, a low lower limit temperature of the nematic phase, a low viscosity, an appropriate optical anisotropy, a large negative dielectric anisotropy, a large specific resistance, a high stability in the presence of UV rays, and a high stability in the presence of heat. Also provided is an AM element having a short response time, an appropriate pretilt, a high voltage retention rate, a high contrast ratio, long life, and the like. The liquid crystal composition comprises as a first component a predetermined compound having polymerizable groups and optionally comprises as a second component a predetermined compound having a high negative dielectric anisotropy and low lower limit temperature and as a third component a predetermined compound having a low viscosity and a high upper limit temperature ...

LIQUID CRYSTAL MATERIAL

A compound forming a tilted smectic liquid crystal phase has the general formula R1-O-CH2-CH2-O-{Z}-R2 in which: R1 is an aliphatic radical containing carbon and hydrogen atoms and optionally one or more oxygen atoms each linked to separate carbon atoms and having a total number of carbon or of carbon and oxygen atoms not less than 1 and not more than 15; R2 is an aliphatic radical containing carbon and hydrogen atoms and optionally one or more oxygen atoms each linked to separate carbon atoms and having a total number of carbon or of carbon and oxygen atoms not less than 4 and not more than 18; and {Z} is an aromatic or alicyclic core of a type suitable for a liquid crystal.

LIQUID CRYSTAL MIXTURES AND NEW ANISOTROPIC COMPOUNDS THEREFOR

Anisotropic compounds having the formula (I) with two, three or four cyclic rests, of which at least one of them is a cycloaliphatic rest, appropriate as ingredients for the cross-polarization of liquid crystal mixtures for electro-optical displays when the compounds contain at least one ketocarbonyl group which is part of a bridge element linking the cycles or of a wing group. Similar compounds are partly known as such; but the capacity of the ketocarbonyl group as a cross-polarization group has been recognized recently and is surprising. The known ketones and the new numerous ketones of which the formula (11) is given in claim (11) provide a new way to optionally obtain either a negative DKA (dielectric constant anisotropy) or a positive DKA simultaneously with DELTAepsilon/epsilon$(1,4)$values.

Nematic liquid crystal mixtures and a matrix liquid crystal display

A nematic liquid crystal mixture having a positive dielectric anisotropy Delta of at least +4 and a birefringence Deltan of at least 0.12, characterized in that the mixtures comprises one or more components having the core structurewherein L<1>, L<2>, Y and Z are each independently of one another H or F, one of Q<1 >and Q<2 >is 1,4-phenylene, 3-fluoro-1,4-phenylene or 3,5-difluoro-1,4-phenylene and the other residue Q<1 >or Q<2 >is -CH2CH2-, -CH2CH2CH2CH2- or-if at least one of L<1>, L<2>, Y and Z denotes F-also a single bond, whereby this core structure can be optionally further fluorinated in the benzene rings.

LIQUID CRYSTALLINE COMPOUND

Optically isotropic liquid crystal medium and optical device

A liquid crystal medium having stability to heat, light and so forth, a wide temperature range of a liquid crystal phase, a large refractive index anisotropy and a large dielectric anisotropy and an optically isotropic liquid crystal phase is described. A liquid crystal composition is characterized by exhibiting the optically isotropic liquid crystal phase and containing achiral component T containing at least one compound selected from the group of compounds represented by formula (1) as a first component, and a chiral agent: wherein, for example, R1 is alkyl having 1 to 20 carbons, L1, L2, L3, L4, L5 and L6 are independently hydrogen or fluorine, and X1 is halogen.

Process for the preparation of ring compounds

Production of compounds with 3 or 4 linked benzene rings for use in liquid crystal mixtures involves combinatorial synthesis with Suzuki coupling and halo-demetallation reactions Production of compounds with 3 or 4 linked benzene rings from silyl- and halogen-terminated compounds with 2 benzene rings by combinatorial synthesis, involving Suzuki coupling with a boronic acid or ester, halo-demetallation (preferably iodo-desilylation) and Suzuki coupling with another boronic acid or ester. A method for the production of ring compounds of formula (I)-(IV) (in which the aromatic rings may contain 1 or 2 nitrogen atoms instead of CH) from compounds of formula (V) and corresponding compounds (VI-VIII) involves a combinatorial synthesis in which the following steps are carried out in a matrix of reaction vessels: (A) Suzuki coupling with a boronic acid or boronate ester of formula (X), (B) halo-demetallation, preferably iodo-desilylation and (C) Suzuki coupling with a boronic acid or boronate ester ...

Method for the conversion of fluorinated aromatic compounds using electrophiles

New 4,4'-disubstituted 1,2-diphenylacetylene derivatives, useful as intermediates for liquid crystal compounds, including polymers

... 4,4'-Disubstituted 1,2-diphenylacetylene derivatives (I) are new. 4,4'-Disubstituted 1,2-diphenylacetylene derivatives of formula (I) are new. Y : acyl, (perfluoro)alkylsulfonyl, (hetero)arylsulfonyl, alkoxycarbonyl or aryloxycarbonyl protecting group; L 1> and L 2> : fluoro, chloro, 1-6C alkyl or alkoxy, optionally with one or more H replaced by fluoro; r and s : 0-3; Z 1> : C 2H 4, CH 2CF 2, CF 2CH 2, C 2F 4, CH 2O, OCH 2, CF 2O, OCF 2, ethynyl, OCO, COO or single bond; A 1> : 1,4-phenylene (optionally with one or more CH replaced by N), 1,4-cyclohexylene, 1,4-cyclohexenylene, 1,4-bicyclo[2,2,2]octylene, piperidin-1,4-diyl, (decahydro)naphthalen-2,6-diyl or 1,2,3,4-tetrahydronaphthalen-2,6-diyl, all optionally substituted by one or more fluoro; m : 0-2; R 1> : hydrogen, halo, cyano,1-25C linear or branched alkyl with one or more H replaced by fluoro and/or one or more non-adjacent CH 2 replaced by O, ethynyl or ethenyl. Independent claims are also included for the following: (1) method ...

Dihalobenzene derivatives

Dihalobenzene derivatives of the formula I R<1>-A<1>-Z<1>-A<2>-(Z<2>-A<3>)n-R<2> in which R<1>, R<2>, A<1>, A<2>, A<3>, Z<1>, Z<2> and n are as defined in Claim 1, their preparation and their use as components of liquid-crystalline phases.

Photostabiles flüssigkristallines Medium

Die Erfindung betrifft ein photostabiles flüssigkristallines Medium, umfassend DOLLAR A - wenigstens eine Verbindung der Formel I DOLLAR F1 und DOLLAR A - wenigstens eine Verbindung der Formel II DOLLAR F2 sowie dessen Verwendung für elektrooptische Zwecke und dieses Medium enthaltende Anzeigen.

Flüssigkristalline Verbindung mit Wasserstoff als terminale Gruppe, sie enthaltende Zusammensetzung, und diese Zusammensetzung enthaltendes flüssigkristallines Anzeigeelement

Nematische Flüssigkristallzusammensetzung und Flüssigkristallanzeigevorrichtung unter einschliessen derselben

Es werden eine Flüssigkristallzusammensetzung, welche eine Verbindung, dargestellt durch allgemeine Formel (I-IV):und eine Verbindung, dargestellt durch allgemeine Formel (I):beinhaltet, und eine Flüssigkristallanzeigevorrichtung, welche die Flüssigkristallzusammensetzung einschließt, bereitgestellt. Die Flüssigkristallzusammensetzung gemäß der vorliegenden Erfindung hat eine ausreichend niedrige Viskosität (η), eine ausreichend niedrige Rotationsviskosität (γ1), eine hohe elastische Konstante (K33), ein hohes Spannungs-Halte-Verhältnis nach UV-Exposition (VHR(UV)) und einen großen Absolutwert der negativen dielektrischen Anisotropie (Δε) ohne Verringerung der Berechnungsindexanisotropie (Δn) oder der nematische Phase-isotrope flüssige Phase Übergangstemperatur (Tni). Die Anzeigevorrichtung, welche die Flüssigkristallzusammensetzung einschließt, hat eine schnelle Ansprechzeit und eine gute Anzeigequalität mit verringerten oder keinen Anzeigefehlern.

Partiell fluorierte Benzolderivate

Liquid crystalline medium

A liquid-crystalline medium which comprises i) at least one compound of the formula I; in which R1, R1*, Z1, L1 and L2 have the meanings indicated in Claim 1; and ii) one or more compounds selected from L-1 to L-11, P-4, CCH-n-m, CCH-n-Om and EY as defined in claim 1. Also shown is the use the liquid cryaralline media for an active-matrix display, in particular based on the VA, PSA-, PS-VA, PALO, FFS, PS-FFS, PS-IPS or IPS effect.

Liquid crystal compound, liquid crystal composition, and liquid crystal display device

Liquid-crystalline medium

Liquid crystalline compound liquid crystal composition,and liquid crystal display element

FLUORINE BENZENE DERIVATIVES AND LIQUIDCRYSTALLINE MEDIUM.

CRYSTAL-LIQUID POLYESTER RESIN AND PROCEDURE FOR ITS PRODUCTION

LIQUIDCRYSTALLINE MEDIUM AND LIQUID CRYSTAL DISPLAY

PHOTO-STABLE LIQUIDCRYSTALLINE MEDIUM

Difluorophenyl derivatives, liquid-crystal compounds, and liquid-crystal composition

FLUOROBENZENE DERIVATIVES AND LIQUID-CRYSTALLINE MEDIUM

Fluorobenzene derivatives of the formula I, in which R is H, an alkyl or alkenyl radical of 1 to 15 carbon atoms which is unsubstituted or monosubstituted by CN or CF3 or at least monosubstituted by halogen, it being possible for one or more CH2 groups in these radicals also to be replaced, in each case independently of one another, by -O-, -S-, , -CO-, -CO-O-, -O-CO- or -O-CO-O- in such a manner that O atoms are not linked directly to one another, A1 and A2,in each case independently of one another, are a (a) trans-1,4-cyclohexylene radical, in which one or more non-adjacent CH2 groups can also be replaced by -O- and/or -S-, (b) 1,4-phenylene radical, in which one or two CH groups can also be replaced by N, (c) radical from the group comprising 1,4-cyclo- hexenylene, 1,4-bicyclo(2.2.2)octylene, piperidine-1,4-diyl, naphthalene-2,6-diyl, decahydronaphthalene-2,6-diyl and 1,2,3,4tetrahydronaphthalene-2,6-diyl, it being possible for the radicals (a) and (b) to be substituted by CN or fluorine ...

Composition and liquid crystal display device using the same

WRIST WATCH WITH DISPLAY DEVICE HAS Liquid crystal

네마틱 액정 조성물 및 이를 사용한 액정 표시 소자

... 일반식(I-Ⅳ)으로 표시되는 화합물을 함유하고, 일반식(I)으로 표시되는 화합물을 함유하는 액정 조성물 및 이를 사용한 액정 표시 소자를 제공한다. 본 발명의 액정 조성물은, 굴절율 이방성(Δn) 및 네마틱상-등방성 액체상 전이 온도(Tni)를 저하시키지 않고, 점도(η)가 충분히 작으며, 회전 점성(γ1)이 충분히 작고, 탄성 상수(K33)가 크며, UV 조사 후의 전압 유지율(VHR(UV))이 높고, 절대값이 큰 음의 유전율 이방성(Δε)을 가지며, 또한 이를 사용한 표시 소자는 표시 불량이 없는 또는 억제된, 표시 품위가 우수하고, 빠른 응답 속도를 실현할 수 있다.

Liquid crystal composition

SMECTIC LIQUID CRYSTAL COMPOUND AND POLARIZING PLATE

The present application relates to a smectic liquid crystal compound and a use of the smectic liquid crystal compound. More specifically, provided is a smectic liquid crystal compound having excellent horizontal orientation on a single alignment film. Moreover, provided is a polarizing plate with excellent dichroic ratio when the smectic liquid crystal compound is applied to the polarizing plate. The polarizing plate can be applied to various optical devices such as a display device. To this end, the smectic liquid crystal compound is represented by chemical formula 1. COPYRIGHT KIPO 2018 ...

Composition and liquid crystal display element using same

Liquid crystal composition and liquid crystal display element

BIMESOGENIC COMPOUNDS

Bimesogenic compounds and mesogenic media

Liquid crystal composition and LCD element

A liquid crystal composition is provided, sufficiently having at least one, or a balance between at least two of the properties including a high upper-limit temperature of nematic phase, a low lower-limit temperature of nematic phase, a low viscosity, a proper optical anisotropy, a large negative dielectric anisotropy, a high resistivity, and high stability to UV or heat, etc. An active matrix LCD element is also provided, having properties including a short response time, a high voltage retention ratio, a high contrast and a long lifetime, etc. The composition includes a 2-ring compound with a large optical anisotropy and a large negative dielectric anisotropy as a 1st component, and a 2-ring compound with a large negative dielectric anisotropy and a low viscosity as a 2nd component. The LCD element contains the liquid crystal composition.

PROCESS FOR THE PREPARATION OF RING COMPOUNDS

Process for the preparation of ring compounds

In a process for the preparation of ring compounds via a combinatorial synthesis, the reaction procedure is based on a Suzuki coupling, subsequent halo-demetallation and finally a further Suzuki coupling. The Suzuki couplings are each carried out with a boronic acid or a boronic acid ester. The reaction procedure uses provides novel ring compounds and uses novel synthesis units used for this purpose. The novel ring compounds are suitable for use as constituents in liquid-crystalline mixtures.

Liquid crystal composition and liquid crystal display device

A nematic liquid crystal composition has negative dielectric anisotropy and contains at least one polar compound selected from the group of compounds represented by formula (1) as a first additive, and the liquid crystal display device includes the composition. In formula (1), R1is hydrogen, halogen, alkyl having 1 to 12 carbons or the like; R2is a group represented by —OH, —OR0, —NH2, —NHR0or —N(R0)2, in which R0is alkyl having 1 to 5 carbons; ring A and ring B are independently 1,4-cyclohexylene, 1,4-phenylene or the like; Z1is a single bond or the like; Sp1and Sp2are independently a single bond, alkylene having 1 to 7 carbons or the like; and a is 0 to 4.

POLYMERISABLE COMPOUNDS AND THE USE THEREOF IN LIQUID-CRYSTAL MEDIA AND LIQUID-CRYSTAL DISPLAYS

The present invention relates to polymerisable compounds, to processes and intermediates for the preparation thereof, to the use thereof for optical, electro-optical and electronic purposes, in particular in liquid-crystal (LC) media and LC displays having a polymer-stabilised blue phase, and in LC media for LC displays of the PS or PSA type (polymer sustained or polymer sustained alignment), and to LC media and LC displays comprising these compounds.

BIMESOGENIC COMPOUNDS

The invention relates to bimesogenic compounds of formula I R1-MG1-Sp-MG2-R2I wherein R1, R2, MG1, MG2 and Sp have the meaning given in claim 1, to the use of bimesogenic compounds of formula I in liquid crystal media and particular to flexoelectric liquid crystal devices comprising a liquid crystal medium according to the present invention. Furthermore the invention relates to bimesogenic compounds of formula I inducing a second nematic phase in nematic mixtures that do not show this additional phase without compounds of formula I.

Process for the preparation of tolanes

Polypenylenes as liquid crystals

Die vorliegende Erfindung betrifft ein Verfahren zur Herstellung von Ringverbindungen über eine kombinatorische Synthese, die auf einer Suzuki-Kupplung, einer anschließenden Halo-Demetallierung und abschließend einer Suzuki-Kupplung beruht. Die Suzuki-Kupplungen werden jeweils mit einer Boronsäure oder einem Boronsäureester durchgeführt. Ebenso betrifft die vorliegende Erfindung die entsprechenden Ringverbindungen sowie die hierfür verwendeten neuen Synthesebausteine. Die erfindungsgemäßen Ringverbindungen finden vorzugsweise Verwendung als Bestandteile in flüssigkristallinen Mischungen.

Difluoromethyl compounds and liquid criystal medium

Производные этана в качестве компонентов жидкокристаллического материала для электрооптических устройств

Изобретение относится к производным этана ф-лы где при т 0; 1 1 А.В - 1,4-фенилен; R - Н-алкил-С2 Сю или А -1,4-трансциклогек- сан, В-1,4-фенилен; R-н-алкил С2, С4, Cs- С, Сю, или А- 1,4-бицикло 2,2.2 октан; В - 1,4-фенилен; R - , н - CsHu, или при , (0 А - 1,4-фенилен; В-1,4-трансцикло- гексан; R-H-Ci,Cg, или А-1,4-бицикло-(2.2.2) октан; В-1,4-фенилен; R - н-СеНтз, или при т 0; НО А - 1,4-бицикло 2.2.2 октан; R - , н - CeHi3, которые могут быть использованы в качестве компонентов жидкокристаллического материала для электрооптических устройств. Цель - выявление соединений, обеспечивающих снижение вязкости. Получение ведут обработкой соответствующего амина тиофосгеном в среде органического растворителя в присутствии основания. 2 табл.

Fluorinated aromatics, e.g. fluorinated bis-phenyl-buta-di:yne - useful as components of liq. crystal phases

Fluorinated aromatic cpds of formula (I) are claimed; R1 = 1-12C alkyl or 2-12C alkenyl; Q1, Q2 = 0 or single bond; one of these gps can also = trans-1,4-cyclohexylene; T1 = -CC- or -CH2CH2-X-; X = a gp. of formula II; T2 = -Y-CH2CH2-or -CC-; Y = a gp. of formula III. R2=F, Cl, CF3, OCF3, OCHF2 or as for R1; and one of the gps L1, L2 = F and the other = H or F. Pref. T1 = T2 =-CC-, pref. with L1 = H, L2 = F, Q2 = single bond and R2 = F, CF3, OCF3 or OCHF2, or with L1 = L2 = F and R2 = alkyl, or with Q2 = -O-; or T1 = -CC- and T2 = -Y-CH2CH2-; or T1 = -CH2CH2-X- and T2 =-CC-; or T1 = -CH2CH2-X-and T2 = -Y-CH2CH2-. USE/ADVANTAGE- (I) are useful as components of liq. crystal (LC) phases (claimed); also claimed are LC phases with at least 2 LC components, one of which is a cpd. (I). LC phases contg. (I) have extremely high optical anisotropy and very good elastic properties, with a LC mesophase in a suitable temp. range and low viscosity (even at low temp) such mixts are esp. useful for IR ...

NEMATISCHE FLÜSSIGKRISTALLZUSAMMENSETZUNG UND FLÜSSIGKRISTALLANZEIGEELEMENT DAMIT

Flüssigkristalline Di(meth)acrylatverbindung, Phasendifferenzfilm, optischer Film, polarisierende Platte, Flüssigkristallschirm und Flüssigkristallanzeigevorrichtung

Flüssigkristallines Medium

Die Erfindung betrifft ein flüssigkristallines Medium, welches mindestens eine Verbindung der Formel I,worin R1, R1*, Z1, L1 und L2 die in Anspruch 1 angegebenen Bedeutungen haben, enthält, sowie seine Verwendung für eine Aktivmatrix-Anzeige, insbesondere basierend auf dem VA-, PSA-, PS-VA, PALC-, FFS-, PS-FFS-, PS-IPS- oder IPS-Effekt.

FLUESSIGKRISTALLINE KOMPOSITIONEN

Flüssigkristallzusammensetzung und dieselbe enthaltende Vorrichtung.

Liquid crystalline medium and liquid crystal display

Composite material

LIQUID CRYSTAL MEDIUM

OPTICALLY ACTIVE LIQUID CRYSTAL MATERIALS AND LIQUID CRYSTAL DEVICES CONTAINING THEM

BIPHENYLYL ETHANES

BIPHENYLYL AETHANE AND YOUR USE IN LIQUID CRYSTAL MATERIALS AND - DEVICES.

FLUOROBENZENE DERIVATIVES AND LIQUID-CRYSTALLINE MEDIUM

Fluorobenzene derivatives of the formula I, in which R is H, an alkyl or alkenyl radical of 1 to 15 carbon atoms which is unsubstituted or monosubstituted by CN or CF3 or at least monosubstituted by halogen, it being pos- sible for one or more CH2 groups in these radicals also to be replaced, in each case independently of one another, by -O-, -S-, , -CO-, -CO-O-, -O-CO- or -O-CO-O- in such a manner that O atoms are not linked directly to one another, A1 and A2, in each case independently of one another, are a (a) trans-1,4-cyclohexylene radical, in which one or more non-adjacent CH2 groups can also be replaced by -O- and/or -S-, (b) 1,4-phenylene radical, in which one or two CH groups can also be replaced by N, (c) radical from the group comprising 1,4-cyclo- hexenylene, 1,4-bicyclo(2.2.2)octylene, piperidine-1,4-diyl, naphthalene-2,6-diyl, decahydronaphthalene-2,6-diyl and 1,2,3,4- tetrahydronaphthalene-2,6-diyl, it being possible for the radicals (a) and (b) to be substituted ...

BIPHENYLYLETHANES AND LIQUID-CRYSTALLINE PHASE

Biphenylylethanes of the formula I I in which one of the radicals R1 and R2 is X and the other radical R1 or R2 is R-Y- where X is H, halogen, -CF3, -OCHF2, -OCF3, -CN, -NCS or - NO2, R is alkyl, fluoroalkyl, alkenyl or oxaalkyl and Y is O, S, -CO-O-, -O-CO-, -O-CO-O-, a single bond or - in the case where m = 1 - alternatively trans-1,4-cyclohexylene or , m is 1 or 2, Ph is in each case identical or different radicals selected from the group comprising 1,4-phenylene, 2-fluoro-1,4-phenylene, 3-fluoro-1,4-phenylene and 3,5-difluoro-1,4-phenylene, L3 and L4 are each H, or one of these radicals is alter natively F, L1, L2 and L5 are each H or F, with the proviso that in the case where X = CN or R1 = -NCS, Y is trans1,4- cyclohexylene or and/or m = 2 and/or one of the radicals L1, L2 and L3 is fluorine and/or Ph-CN is 2-fluoro-4-cyanophenyl or 3,5-difluoro-4-cyanophenyl, are suitable as components of liquid-crystalline phases.

LIQUID CRYSTAL COMPOSITION AND LIQUID CRYSTAL DISPLAY ELEMENT

Negative dielectric anisotropy liquid crystal composition and application thereof

Nematic liquid crystal composition and liquid crystal display element using same

Chlorofluorobenzene liquid crystal compound, liquid crystal composition, and liquid crystal display device

The invention provides a chlorofluorobenzene liquid crystal compound, a liquid crystal composition, and a liquid crystal display device. Such liquid crystal compound is provided that has stability to heat, light and so forth, has a nematic phase in a wide temperature range, has a small viscosity, a suitable optical anisotropy, and suitable elastic constants K33 and K11 (K33: bend elastic constant, K11: splay elastic constant), and has suitable negative dielectric anisotropy and excellent compatibility with other liquid crystal compounds. A liquid crystal composition containing the liquid crystal compound, and a liquid crystal display device containing the liquid crystal composition are also provided. The liquid crystal compound is represented by one of formulas (a) to (d), the liquid crystal composition contains the liquid crystal compound, and the liquid crystal display device contains the liquid crystal composition: wherein Ra and Rb are independently linear alkyl or linear alkoxy, rings ...

LIQUID CRYSTAL COMPOSITE AND LIQUID CRYSTAL DIMMER ELEMENT

PRODUCTS MESOGENES FOR CELLS HAS LIQUID CRYSTAL, AND OF THE AFORESAID MANUFACTORING PROCESS PRODUCED

LIQUID CRYSTAL MEDIUM

The present invention relates to a liquid crystal medium based on a mixture of polar compounds containing the compounds below and, particularly to a display where active or passive matrix is addressed based on VA, PSA, PS-VA, IPS, FFS, PS-IPS and PS-FFS technology and, more desirably, a use of an LC mixture in the optical display for a self-aligning VA mode. The liquid crystal medium comprises one or more compounds represented by the chemical formula 1; and one or more compounds selected from the group of the chemical formula I-A to I-K (chemical formula 2). In the chemical formula 1, R^1, L^1, L^2, L^3 and m are defined in the claim 1. In the chemical formula 2, R^, R^1*, a, L^1 and L^2 are defined in the claim 1. COPYRIGHT KIPO 2016 ...

액정 조성물 및 액정 표시 소자

... [과제] 본 발명이 해결하려고 하는 과제는, 중합성 화합물의 중합 속도가 충분히 빠르고, 또한, 프리틸트각의 변화에 따른 표시 불량이 없거나, 혹은 극히 적고, 충분한 프리틸트각을 갖고, 응답 성능이 우수한 PSA형 또는 PSVA형 액정 표시 소자를 제조하기 위한 중합성 화합물을 포함하는 액정 조성물을 제공하는 것, 및, 이것을 사용한 액정 표시 소자를 제공하는 것에 있다. [해결수단] 일반식(I)으로 표시되는 중합성 화합물을 1종 또는 2종 이상 함유하는 액정 조성물에 의해 상기 과제를 달성한다.

LIQUID CRYSTAL MEDIUM

The present invention relates to a liquid crystal medium including one or more compounds of the chemical formula I, and more specifically, to the use of the liquid crystal medium in an active-matrix display, based on VA, PSA, PS-VA, PALC, FFS, PS-FFS, PS-IPS or IPS effect. In the chemical formula, R1, R1*, Z1, Z2 and L1 through L3 are referred to as described in the claim 1. COPYRIGHT KIPO 2016 ...

액정 매질을 포함하는 스위치 소자

... 본 발명은, 열반응성이고, 복사 에너지에 대해 덜 전달성인 상태와 복사 에너지에 대해 더 전달성인 상태 사이에서 스위치되고, 액정 매질을 포함하는, 스위치 소자에 관한 것이다. 본 발명은, 추가로 내부 공간과 주변 환경 사이의 복사 에너지 흐름 및 내부 공간의 온도를 조절하기 위한 스위치 소자의 용도에 관한 것이다. 또한, 본 발명은, 특히 본 발명에 따른 스위치 소자에 사용하기 위한, 5 내지 95%의 일반식 (I)의 화합물을 포함하는 것을 특징으로 하는 액정 매질에 관한 것이다.

LCD DEVICE EMPLOYING LIQUID CRYSTAL MATERIAL COMPRISING (METH)ACRYLATE GROUP AND STEROID-BASED ORGANIC GROUP, AND ITS PREPARATION METHOD

PURPOSE: A liquid crystal display device, and a method for preparing the liquid crystal display device are provided to reduce a manufacturing cost by omitting the process for forming a vertical alignment layer. CONSTITUTION: A liquid crystal display device comprises a liquid crystal material between substrates, wherein the liquid crystal material comprises a monomer material represented by X-R (wherein X is an acrylate group or a methacrylate group; and R is an organic group having a steroid structure), and a UV cured product comprising the system comprising the monomer material is formed on the substrate interface. Also the liquid crystal display device comprises a liquid crystal material between substrates, wherein the liquid crystal material comprises a monomer material represented by X1-R-X2 (wherein X1 and X2 are an acrylate group or a methacrylate group; and R is a divalent organic group having a steroid structure), and a UV cured product comprising the system comprising the monomer ...

Liquid crystal composition,use of liquid crystal conposition and liquid crystal display device

Liquid crystal composition and liquid crystal display device

Liquid crystal composition and liquid crystal display device

A subject is to provide a liquid crystal composition that has a negative dielectric anisotropy and contains a specific 3-ring compound having a large optical anisotropy as a first component and a compound having a large negative dielectric anisotropy and containing a methyleneoxy group or pyran ring as a second component, and may contain a specific compound having a small viscosity as a third component and a specific compound having a large negative dielectric anisotropy as a fourth component, respectively, and a liquid crystal display device that contains the composition.

Liquid crystal composition and liquid crystal display device

The invention is to provide a liquid crystal composition that satisfies at least one of characteristics such as a high maximum temperature of a nematic phase, a low minimum temperature of a nematic phase, a small viscosity, a large optical anisotropy, a large positive dielectric anisotropy, a large specific resistance, a large elastic constant, a high stability to ultraviolet light and heat, or that is suitably balanced between at least two of the characteristics. And to provide an AM device that has a short response time, a large voltage holding ratio, a large contrast ratio, a long service life and so forth. The liquid crystal composition includes a specific two-ring compound having a high maximum temperature and a large elastic constant as a first component, a specific compound having a large dielectric anisotropy as a second component, and has a nematic phase. The liquid crystal display device contains this composition.

Liquid crystal composition and liquid crystal display device

The invention provides a liquid crystal composition satisfying at least one of characteristics such as a high maximum temperature of a nematic phase, a low minimum temperature of the nematic phase, a small viscosity, a large optical anisotropy, a large negative dielectric anisotropy, a large elastic constant, a large specific resistance, a high stability to ultraviolet light and to heat, or having a suitable balance regarding at least two of the characteristics, and the AM device having a short response time, a large voltage holding ratio, a large contrast ratio, a long service life and so forth The liquid crystal composition having a negative dielectric anisotropy may contain a specific three ring compound having a high maximum temperature and a high elastic constant, as the first component, a specific compound having a large negative dielectric anisotropy as the second component, a specific compound having a small viscosity as the third component, and a specific compound having a large negative dielectric anisotropy as the fourth component. The liquid crystal display device contains the compositions.

Switch element comprising a liquid-crystalline medium

The present invention relates to a switch element, which is thermoresponsive and which switches between a less transmissive state for radiant energy and a more transmissive state for radiant energy, and which comprises a liquid-crystalline medium. The invention furthermore relates to the use of the switch element for the regulation of radiant energy flow between interior spaces and the environment and for the regulation of the temperature of interior spaces. The invention furthermore relates to a liquid-crystalline medium, characterised in that it comprises 5-95% of a compound of the formula (I), in particular for use in the switch elements according to the invention.

Liquid-crystalline media

The invention relates to liquid-crystalline media which can be used, in particular, for electro-optical displays having active-matrix addressing based on the ECB effect and for IPS (in-plane switching) displays or FFS (fringe field switching) displays.

LIQUID CRYSTAL COMPOUND HAVING FLUOROVINYL GROUP, LIQUID CRYSTAL COMPOSITION AND LIQUID CRYSTAL DISPLAY DEVICE

A liquid crystal compound having a high stability to heat, light and so forth, a high clearing point, a low minimum temperature of a liquid crystal phase, a small viscosity, a suitable optical anisotropy, a large dielectric anisotropy, a suitable elastic constant and an excellent solubility in other liquid crystal compounds, a liquid crystal composition containing the compound, and a liquid crystal display device including the composition. The compound is represented by formula (1): 2. The compound according to claim 1 , wherein claim 1 , in formula (1) claim 1 , Ris halogen claim 1 , alkyl having 1 to 15 carbons claim 1 , alkenyl having 2 to 15 carbons claim 1 , alkoxy having 1 to 14 carbons or alkenyloxy having 2 to 14 carbons; Z claim 1 , Z claim 1 , Zand Zare independently a single bond claim 1 , —(CH)— claim 1 , —CH═CH— claim 1 , —CF═CF— claim 1 , —COO— claim 1 , —OCO— claim 1 , —CFO— or —OCF—; Xis halogen claim 1 , —C≡N claim 1 , N═C═S claim 1 , —SFor alkyl having 1 to 10 carbons claim 1 , and in the alkyl claim 1 , at least one of —CH— may be replaced by —O— or —S— claim 1 , at least one of —(CH)— may be replaced by —CH═CH— claim 1 , and in the groups claim 1 , at least one of hydrogen may be replaced by halogen.3. The compound according to claim 2 , wherein Ris fluorine claim 2 , alkyl having 1 to 15 carbons claim 2 , alkenyl having 2 to 15 carbons claim 2 , alkoxy having 1 to 14 carbons or alkenyloxy having 2 to 14 carbons; Z claim 2 , Z claim 2 , Zand Zare independently a single bond claim 2 , —(CH)— claim 2 , —CH═CH— claim 2 , —COO— or —CFO—; Land Lare independently hydrogen or fluorine; and Xis fluorine claim 2 , —CF claim 2 , —CHF claim 2 , —CHF claim 2 , —OCF claim 2 , —OCHFor —OCHF.4. The compound according to claim 3 , wherein Ris fluorine claim 3 , alkyl having 1 to 10 carbons or alkenyl having 2 to 10 carbons; ring A claim 3 , ring Aand ring Aare independently 1 claim 3 ,4-cyclohexylene claim 3 , 1 claim 3 ,4-phenylene claim 3 , 1 claim 3 ,4- ...

BIMESOGENIC COMPOUNDS AND MESOGENIC MEDIA

The invention relates to bimesogenic compounds of formula I 2. Bimesogenic compounds according to claim 1 , characterized in that{'sup': '1', 'CGis H-J-K, wherein'}{'sub': 2', '2', '2', '2', '3', '2, 'claim-text': alternatively, either —H-J- or -J-K— together may be —CH═CH— or —C≡C— and,', 'again alternatively, —H-J-K— together may be —CH═C═CH—, and, 'H, J and K are independently of each other selected from —CH—, —CHF—, —CF—, —O—, —S—, —(C═O)—, —CH(OR)—, —CH(R)—, —C(R)(R′)—, —SO—, —CF—, —CH(CF)—, —C(═CH)—, —NH—, —N(R)— and, —S(R)(R′)—,'}{'sub': '2', 'R and R′ are independently of each other an alkyl group having 1 to 5 carbon atoms, wherein one or two non-terminal and non-adjacent —CH— groups may be replaced by O.'}3. Bimesogenic compounds according to claim 1 , characterized in that at least one of Rand Ris selected from OCF claim 1 , CF claim 1 , F claim 1 , Cl and CN.4. Bimesogenic compounds according to claim 1 , characterized in that CGis (—CH) claim 1 , —CH—CF—O— claim 1 , —O—CF—CH— claim 1 , —CH—C(O)—O— or —O—C(O)—CH—.5. A method which comprises including one or more bimesogenic compounds according to in a liquid crystalline medium.6. Liquid-crystalline medium claim 1 , characterised in that it comprises one or more bimesogenic compounds according to .7. Liquid-crystalline medium according to claim 6 , characterised in that it additionally comprises one or more compounds selected from the group of the compounds of the formulae III{'br': None, 'sup': 31', '31', '31', '3', '32', '32', '32, 'R-MG-X-Sp-X-MG-R\u2003\u2003III'}wherein{'sup': 31', '32, 'sub': '2', 'claim-text': {'sub': '3', '—N(CH)—, —CO—, —COO—, —OCO—, —O—CO—O—, —S—CO—, —CO—S—, —CH═CH—, —CH═CF—, —CF═CF— or —C≡C— in such a manner that oxygen atoms are not linked directly to one another,'}, 'Rand Rare each independently H, F, Cl, CN, NCS or a straight-chain or branched alkyl group with 1 to 25 C atoms which may be unsubstituted, mono- or polysubstituted by halogen or CN, it being also possible for ...

Liquid crystal display and method of manufacturing the same

The invention relates to a liquid crystal display utilizing a vertically aligned state of liquid crystal molecules when no voltage is applied and to a method of manufacturing the same. The liquid crystal display includes a monofunctional monomer having a structure expressed by X—R (where X represents an acrylate group or a methacrylate group, and R represents an organic group having a steroid skeleton). A liquid crystal material is sandwiched between substrates which is then irradiated with ultraviolet rays to cure the monofunctional monomer, thereby forming a polymer film at an interface of a substrate. The monofunctional monomer has a hydrophobic skeleton such as an alkyl chain and a photoreactive group on one side of the skeleton.

NEMATIC LIQUID CRYSTAL COMPOSITION, AND LIQUID CRYSTAL DISPLAY ELEMENT MANUFACTURED USING SAME

The present invention is a liquid crystal composition having negative dielectric anisotropy containing one or two or more of compounds represented by General Formula (i), and is also a liquid crystal display element using the liquid crystal composition. The problem to be solved by the present invention is to provide a liquid crystal composition with a large refractive index anisotropy (Δn), a low rotational viscosity (γ), a large elastic constant (K), a high voltage holding ratio (VHR), and which has a negative dielectric anisotropy (Δε), and a liquid crystal display element which, when using the liquid crystal composition, has a high response speed with excellent display quality in which display defects such as drop marks, burn-in, and display unevenness are absent or suppressed. 2. The liquid crystal composition according to claim 1 ,{'sup': 'i2', 'wherein, in General Formula (i), Ris a methyl group.'}3. The liquid crystal composition according to claim 1 ,{'sup': i1', 'i2, 'wherein, in General Formula (i), Aand Aare each independently a group selected from a trans-1,4-cyclohexylene group, a 1,4-phenylene group, a 2-fluoro-1,4-phenylene group, or a 3-fluoro-1,4-phenylene group.'}4. The liquid crystal composition according to claim 1 ,{'sup': i1', 'i2, 'wherein, in General Formula (i), nis 1 or 2, and nis 0.'}6. The liquid crystal composition according to claim 5 ,{'sup': N11', 'N11', 'N11', 'N12, 'sub': 2', '2', '2', '2', '2', '2', '2', '2, 'wherein, in General Formula (N-1), Ais a trans 1,4-cyclohexylene group, a 1,4-phenylene group, a 2-fluoro-1,4-phenylene group, a 3-fluoro-1,4-phenylene group, a 3,5-difluoro-1,4-phenylene group, a 2,3-difluoro-1,4-phenylene group, a 1,4-cyclohexenylene group, a 1,4-bicyclo[2.2.2]octylene group, a piperidine-1,4-diyl group, a naphthalene-2,6-diyl group, a decahydronaphthalene-2,6-diyl group, or a 1,2,3,4-tetrahydronaphthalene-2,6-diyl group, Zis —OCH—, —CHO—, —CFO—, —OCF—, —CHCH—, —CFCF— or a single bond, nis 1, 2, or 3, and ...

LIQUID CRYSTAL COMPOSITION AND LIQUID CRYSTAL DISPLAY DEVICE

A liquid crystal compound comprising a specific compound having a positive dielectric anisotropy as the first component, and a specific compound having a low viscosity as a second component. Further, the liquid crystal compound may contain a specific compound having a positive dielectric anisotropy as the third component, a specific compound having a maximum temperature or a low viscosity as the fourth component, or a specific compound having a negative dielectric anisotropy as the fifth component. 7. The liquid crystal composition according to claim 2 , wherein the first component is within the range of 1 wt % to 30 wt % claim 2 , and the second component is within the range of 5 wt % to 70 wt %.10. The liquid crystal composition according to claim 8 , wherein the third component is within the range of 10 wt % to 80 wt %.13. The liquid crystal composition according to claim 11 , wherein the proportion of the fourth component is within the range of 5 wt % to 60 wt %.16. The liquid crystal composition according to claim 14 , wherein the proportion of the fifth component is within the range of 3 wt % to 30 wt %.17. The liquid crystal composition according to claim 2 , wherein the maximum temperature in the nematic phase is 70° C. or higher claim 2 , the optical anisotropy (measured at 25° C.) at a wavelength of 589 nm is 0.07 or greater claim 2 , and the dielectric anisotropy (measured at 25° C.) at a frequency of 1 kHz is 2 or greater.18. A liquid crystal display device containing the liquid crystal composition according to .19. The liquid crystal display device according to claim 18 , wherein the operation mode of the liquid crystal display device is a TN mode claim 18 , an ECB mode claim 18 , an OCB mode claim 18 , an IPS mode claim 18 , a FFS mode claim 18 , or a FPA mode claim 18 , and the driving method of the liquid crystal display device is the active matrix method. This application claims the priority benefit of Japan application serial no. 2016-151121, filed ...

LIQUID-CRYSTALLINE MEDIUM

The invention relates to a liquid-crystalline medium which comprises at least one compound of the formula I, 4. The liquid-crystalline medium according to claim 1 , wherein the proportion of compounds of formula I in said medium as a whole is 1-30% by weight.15. The liquid-crystalline medium according to claim 1 , wherein said medium comprises at least one polymerizable compound.16. The liquid-crystalline medium according to claim 1 , wherein said medium further comprises one or more additives.17. The liquid-crystalline medium according claim 16 , wherein said one or more additives are selected from free-radical scavengers claim 16 , antioxidants and UV stabilizers.18. A process for the preparation of a liquid-crystalline medium according to claim 1 , comprising mixing at least one compound of formula I with at least one compound selected from formulas IIA-13 to IIA-31 claim 1 , IIA-44 to IIA-52 claim 1 , IIB-7 to IIB-10 claim 1 , L-1 to L-11 claim 1 , T-1 to T-21 claim 1 , BC claim 1 , CR claim 1 , PH-1 claim 1 , PH-2 claim 1 , BF-1 claim 1 , BF-2 claim 1 , BS-1 claim 1 , BS-2 claim 1 , O-6 claim 1 , P-1 to P-4 claim 1 , Z-1 to Z-9 claim 1 , and B-1a claim 1 , optionally adding one or more additives claim 1 , and optionally adding at least one polymerizable compound.19. A method of inducing an electro-optical effect comprising applying a voltage to a liquid-crystalline medium according to .20. An electro-optical display having active-matrix addressing claim 1 , said display comprising a liquid-crystalline medium according to as dielectric.21. The electro-optical display according to claim 20 , wherein said display is a VA claim 20 , PSA claim 20 , PA-VA claim 20 , PS-VA claim 20 , PALC claim 20 , IPS claim 20 , PS-IPS claim 20 , FFS claim 20 , PS-FFS display.22. The electro-optical display according to claim 21 , wherein said display is a IPS claim 21 , PS-IPS claim 21 , FFS or PS-FFS display which has a planar alignment layer.29. The liquid-crystalline medium ...

Liquid crystal composition and liquid crystal display device

Provided are a liquid crystal composition satisfying at least one of characteristics such as high maximum temperature, low minimum temperature, small viscosity, suitable optical anisotropy and large negative dielectric anisotropy, or the liquid crystal composition having a suitable balance regarding at least two of the characteristics; and an AM device including the composition. The liquid crystal composition may contain a specific compound having small viscosity or low minimum temperature as a first component, a specific compound having negative dielectric anisotropy, small viscosity and low threshold voltage as a second component, a specific compound having high maximum temperature or small viscosity as a third component, a specific compound having negative dielectric anisotropy or low minimum temperature as a fourth component, or a specific compound having a polymerizable group as an additive component.

Liquid-crystalline media having homeotropic alignment

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.

Liquid crystal composition and liquid crystal display device

The subject is to provide a liquid crystal composition that includes a polymerizable compound (or polymer) and a polar compound, where the homeotropic alignment of liquid crystal molecules can be achieved by the action of these compounds, and a liquid crystal display device including this composition. The means concerns a nematic liquid crystal composition that has positive dielectric anisotropy and that includes a polymerizable compound as a first additive and a polar compound as a second additive, and the composition may include a specific liquid crystal compound having a large positive dielectric anisotropy and a specific liquid crystal compound having a high maximum temperature or a small viscosity, and concerns a liquid crystal display device including the composition.

SPONTANEOUS ALIGNMENT ASSISTANT FOR LIQUID CRYSTAL COMPOSITIONS

The spontaneous orientation aid for a liquid crystal composition provides storage stability and allows liquid crystal molecules to be vertically aligned without a PI layer when added to a liquid crystal composition. When used in a liquid crystal composition, the spontaneous orientation aid can adsorb to substrates sandwiching a liquid crystal composition (liquid crystal layer) and keep the liquid crystal molecules aligned in a vertical direction. The spontaneous orientation aid makes it possible to align liquid crystal molecules without a PI layer (to induce vertical alignment of liquid crystal molecules under no applied voltage and to achieve horizontal alignment of the liquid crystal molecules under an applied voltage). 3. A spontaneous orientation aid for a liquid crystal composition , comprising:{'claim-ref': {'@idref': 'CLM-00001', 'claim 1'}, 'the compound represented by general formula (ii) according to .'}4. A liquid crystal composition comprising:{'claim-ref': {'@idref': 'CLM-00003', 'claim 3'}, 'the spontaneous orientation aid for a liquid crystal composition according to ,'}wherein the liquid crystal composition has a negative dielectric anisotropy (Δε).7. The liquid crystal composition according to claim 4 , further comprising:at least one polymerizable compound.9. A liquid crystal display element comprising:two substrates; and{'claim-ref': {'@idref': 'CLM-00004', 'claim 4'}, 'a liquid crystal layer including the liquid crystal composition according to provided between the two substrates.'}10. A liquid crystal display element comprising:two substrates; and{'claim-ref': {'@idref': 'CLM-00004', 'claim 4'}, 'a liquid crystal layer including the liquid crystal composition according to .'}11. The liquid crystal display element according to claim 9 , which is for active matrix driving.12. The liquid crystal display element according to claim 9 , which is a PSA type claim 9 , PSVA type claim 9 , VA type claim 9 , IPS type claim 9 , FFS type claim 9 , or ECB ...

HIGHLY VERTICAL DIELECTRIC LIQUID CRYSTAL COMPOSITION AND LIQUID CRYSTAL DISPLAY DEVICE

A liquid crystal composition having one or more compounds represented by formula I, one or more compounds represented by formula II and one or more compounds represented by formula III: 3. The liquid crystal composition according to claim 1 , wherein claim 1 , in said liquid crystal composition claim 1 , a total content in mass percentage of said one or more compounds represented by formula I is 1-40% claim 1 , a total content in mass percentage of said one or more compounds represented by formula II is 1-40% claim 1 , and a total content in mass percentage of said one or more compounds represented by formula III is 1-80%.10. A liquid crystal display element or liquid crystal display comprising the liquid crystal composition of claim 1 , wherein said liquid crystal display element or liquid crystal display is an active matrix display element or display or a passive matrix display element or display. The present invention belongs to the technical field of liquid crystal materials, and particularly relates to a highly vertical dielectric liquid crystal composition and a liquid crystal display device containing such a liquid crystal.At present, the expansion of application range of liquid crystal compounds is becoming larger and larger, and the liquid crystal compounds can be used in various types of displays, electro-optical devices, sensors, etc. There are a great variety of liquid crystal compounds used in the above-mentioned display field, wherein nematic liquid crystals are used most extensively. Nematic liquid crystals have been used in passive TN and STN matrix displays and systems having a TFT active matrix.With regard to the application field of thin film transistor techniques (TFT-LCD), although the market in recent years has become very huge, and the techniques also have become gradually mature, requirements of display techniques are increasing continuously, especially in terms of achieving a quick response, reducing the drive voltage for reducing power ...

Liquid crystal material, liquid crystal display panel, and method for manufacturing the liquid crystal display panel

A liquid crystal material, a liquid crystal display panel, and a method for manufacturing the liquid crystal display panel are disclosed. A liquid crystal material is used to form a polymer film on a substrate on which no PI layer is provided so as to realize normal display of the liquid crystal panel. Meanwhile, realiability of the panel can be improved, a voltage holding rate can be improved, and poor alignment of the self-alignment liquid crystal material, afterimage, and other problems can be solved.

LIQUID CRYSTAL COMPOSITION, LIQUID CRYSTAL DISPLAY DEVICE USING THE LIQUID CRYSTAL COMPOSITION, AND METHOD OF MANUFACTURING THE LIQUID CRYSTAL DISPLAY DEVICE

A liquid crystal composition, a liquid crystal display (LCD) device using the liquid crystal composition, and a method of manufacturing an LCD device are provided. The liquid crystal display device comprises: a first substrate; a liquid crystal layer disposed on the first substrate, the liquid crystal layer including a liquid crystal compound; and a first liquid crystal alignment layer disposed between the first substrate and the liquid crystal layer, wherein the first compound includes a first compound, which has at least one hydrophilic group bonded to one end of a core structure thereof and a benzoyl derivative moiety bonded to the other end of the core structure thereof. 1. A liquid crystal display (LCD) device comprising:a first substrate;a liquid crystal layer disposed on the first substrate, the liquid crystal layer including a liquid crystal compound; anda first liquid crystal alignment layer disposed between the first substrate and the liquid crystal layer,wherein the first compound includes a first compound, which has at least one hydrophilic group bonded to one end of a core structure thereof and a benzoyl derivative moiety bonded to the other end of the core structure thereof.3. The LCD device of claim 1 , wherein the first liquid crystal alignment layer further includes claim 1 ,a polymer of a second compound, the second compound has at least one hydrophilic group bonded to one end of a core structure thereof and a polymerizable group bonded to the other end of the core structure thereof, ora polymer of a third compound, the third compound has polymerizable groups bonded to both ends of a core structure thereof.4. The LCD device of claim 3 , wherein the polymerizable group of the second compound and the polymerizable groups of the third compounds are each independently acryloyl groups claim 3 , methacryloyl groups claim 3 , acrylate groups claim 3 , or methacrylate groups.5. The LCD device of claim 3 , wherein the first liquid crystal alignment layer ...

Liquid crystalline compound, thermally responsive material and method for producing same

One purpose of the present invention is to provide a liquid-crystal compound which exhibits liquid crystallinity at low temperatures. Another purpose of the present invention is to provide a thermally responsive material which exhibits liquid crystallinity and rubber elasticity at low temperatures (around room temperature) ever, though a large amount of a liquid-crystal compound is contained therein, and a method for producing this thermally responsive material. A liquid-crystal compound according to the present invention is obtained by adding an alkylene oxide and/or styrene oxide to a mesogenic group-containing compound that has an active hydrogen group.

Liquid crystal composition having negative dielectric anisotropy, and liquid crystal display device using the liquid crystal composition

Provided are a liquid crystal composition having negative dielectric anisotropy and a liquid crystal display device that uses the liquid crystal composition. The present invention relates to a liquid crystal composition having a negative dielectric anisotropy (Δ∈) and useful as an electro-optic liquid crystal display material, and a liquid crystal display device that uses the liquid crystal composition. The liquid crystal composition contains one or more compounds represented by general formula (I) and one or more compounds represented by general formula (II). Since the rate of change in operation voltage versus temperature can be decreased by using the liquid crystal composition of the present invention, the invention is effective for improving the display quality in a low-temperature zone. Thus, the liquid crystal composition is suitable for use in vehicle-mounted displays and mobile appliances that are expected to be used in cold areas and outdoors.

Liquid-crystalline medium

The invention relates to the compounds of the formula I and to a liquid-crystalline medium based on a mixture of polar compounds which contains at least one compound of the formula I in which R 1 , ring A 1 , L 1 , L 2 , L 3 , L 4 , L 5 , L 6 , L 7 , L 8 , Z 1 and m have the meanings indicated in claim 1 and to the use of the LC mixtures in electro-optical displays, especially for the self-aligning VA mode.

LIQUID CRYSTAL COMPOSITE AND LIQUID CRYSTAL DIMMING DEVICE

A liquid crystal composite that contains a liquid crystal composition satisfying at least one of characteristics such as high maximum temperature, low minimum temperature, small viscosity, large optical anisotropy and large positive dielectric anisotropy, and that is suitable for dimming, or having a suitable balance regarding at least two of the characteristics; and a liquid crystal dimming device having the liquid crystal composite. The liquid crystal composite contains a polymer and a liquid crystal composition containing a specific compound having large positive dielectric anisotropy. The liquid crystal composite may further contain a specific compound having high maximum temperature or low minimum temperature; or a specific compound having large negative dielectric anisotropy. 3. The liquid crystal composite according to claim 1 , wherein a proportion of the first component is in the range of 5% by weight to 90% by weight based on the weight of the liquid crystal composition.6. The liquid crystal composite according to claim 4 , wherein a proportion of the second component is in the range of 5% by weight to 90% by weight based on the weight of the liquid crystal composition.9. (canceled)10. The liquid crystal composite according to claim 1 , wherein the polymer is a polymer derived from a polymerizable compound containing at least one compound selected from compounds represented by formula (4):{'br': None, 'sup': 1', '5', '2, 'P—Z—P(4)'}{'sup': 5', '3', '6', '6', '3', '6', '1', '2', '3, 'sub': 2', '2', '2, 'wherein, in formula (4), Zis alkylene having 1 to 20 carbons, and in the alkylene, at least one hydrogen may be replaced by alkyl having 1 to 5 carbons, fluorine, chlorine or P, at least one —CH— may be replaced by —O—, —CO—, —COO—, —OCO—, —NH—, —N(R)—, —CH═CH— or —C≡C—, and at least one —CH— may be replaced by a divalent group formed by eliminating two hydrogens from a carbocyclic or heterocyclic saturated aliphatic compound, a carbocyclic or heterocyclic ...

COMPOSITION AND LIQUID CRYSTAL DISPLAY DEVICE USING THE SAME

[Object] An object to be achieved by the present invention is to provide a liquid crystal display device that uses a liquid crystal composition having negative dielectric anisotropy, in which the liquid crystal composition can realize excellent display properties when used in the liquid crystal display device without degrading the image-sticking properties of the display device while realizing various liquid crystal display properties such as dielectric anisotropy, viscosity, nematic phase upper limit temperature, low-temperature nematic phase stability, γ, etc. [Solution] A liquid crystal composition is characterized in that it contains, as a first component, at least one compound selected from the group consisting of compounds represented by general formula (i), and, as a second component, at least one compound selected from the group consisting of compounds represented by general formula (ii). 3. The liquid crystal composition according to claim 1 , further comprising one or two or more compounds selected from compounds represented by general formula (L):{'br': None, 'sup': L1', 'L1', 'L1', 'L2', 'L2', 'L3', 'L2, 'sub': n', {'sup2': 'L1'}], 'R-A-Z\ue8a0A-Z\ue8a0A-R\u2003\u2003(L)'}{'sup': L1', 'L2, 'sub': 2', '2, 'claim-text': [{'sup': 'L1', 'nrepresents 0, 1, 2, or 3,'}, {'sup': L1', 'L2', 'L3, 'A, A, and Aeach independently represent a group selected from the group consisting of'}], '(in the formula, Rand Reach independently represent an alkyl group having 1 to 8 carbon atoms, one —CH— or two or more non-adjacent —CH— in the alkyl group may each independently be substituted with —CH═CH—, —C≡C—, —O—, —CO—, —COO—, or OCO—,'}{'sub': 2', '2, '(a) a 1,4-cyclohexylene group (one —CH— or two or more non-adjacent —CH— present in this group may each be substituted with —O—) and'}(b) a 1,4-phenylene group (one —CH═ or two or more non-adjacent —CH═ present in this group may each be substituted with —N═)(c) (c) a naphthalene-2,6-diyl group, a 1,2,3,4-tetrahydronaphthalene- ...

LIQUID-CRYSTALLINE MEDIA

The invention relates to liquid-crystalline media which can be used, in particular, for electro-optical displays having active-matrix addressing based on the ECB effect and for IPS (in-plane switching) displays or FFS (fringe field switching) displays. 2. The liquid-crystalline medium according to claim 1 , wherein the proportion of one or more compounds of the formula I in the mixture as a whole is 10-45% by weight.4. The liquid-crystalline medium according to further comprising one or more additives selected from the group consisting of stabilisers claim 1 , antioxidants claim 1 , UV absorbers claim 1 , nanoparticles claim 1 , microparticles claim 1 , and a combination thereof.6. The liquid-crystalline medium according to further comprising one or more BHT derivatives. This application is a Division of U.S. application Ser. No. 13/721,203, filed Dec. 20, 2012, which claims the benefit of priority of German Application DE 10 2011 121 665.4, filed Dec. 20, 2011, which applications are incorporated by reference herein in their entireties and for all purposes.The invention relates to liquid-crystalline media which comprise at least one compound of the formula I,in which—O—, —O—CO— in such a way that O atoms are not linked directly to one another, and in which, in addition, one or more H atoms may be replaced by halogen,Media of this type can be used, in particular, for electro-optical displays having active-matrix addressing based on the ECB effect and for IPS (in-plane switching) displays or FFS (fringe field switching) displays.The principle of electrically controlled birefringence, the ECB effect or also DAP (deformation of aligned phases) effect, was described for the first time in 1971 (M. F. Schieckel and K. Fahrenschon, “Deformation of nematic liquid crystals with vertical orientation in electrical fields”, Appl. Phys. Lett. 19 (1971), 3912). This was followed by papers by J. F. Kahn (Appl. Phys. Lett. 20 (1972), 1193) and G. Labrunie and J. Robert (J. Appl. ...

Liquid crystal composition and liquid crystal display device

Provided are a liquid crystal composition satisfying at least one of characteristics such as high maximum temperature, low minimum temperature, small viscosity, suitable optical anisotropy, large negative dielectric anisotropy, large specific resistance, high stability to ultraviolet light and high stability to heat, or has a suitable balance regarding at least two of the characteristics; and an AM device having characteristics such as a short response time, a large voltage holding ratio, low threshold voltage, a large contrast ratio and a long service life. The liquid crystal composition may contain a specific compound having large negative dielectric anisotropy as a first component, a specific compound having high maximum temperature as a second component, a specific compound having negative dielectric anisotropy as a third component, or a specific compound having a polymerizable group as an additive component.

LIQUID CRYSTALLINE MEDIA HAVING HOMEOTROPIC ALIGNMENT

The present invention relates to liquid-crystalline media (LC media) having negative or positive dielectric anisotropy, comprising a low-molecular-weight component and a polymerisable component. The polymerisable component comprises self-aligning, polymerisable mesogens (polymerisable 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 polymerisable self-alignment additives which have a certain position of the functional groups. 2. A Medium according to claim 1 , wherein claim 1 , for formula I claim 1 ,{'sup': 1', '2', '3, 'sub': '2', 'A, A, Aeach, independently of one another, denote 1,4-phenylene, 1,3-phenylene, naphthalene-1,4-diyl or naphthalene-2,6-diyl, where, in addition, one or more CH groups in these groups may be replaced by N, cyclohexane-1,4-diyl, in which, in addition, one or more non-adjacent CHgroups may be replaced by O and/or S, 3,3′-bicyclobutylidene, 1,4-cyclohexenylene, bicyclo[1.1.1]pentane-1,3-diyl, bicyclo[2.2.2]octane-1,4-diyl, spiro[3.3]heptane-2,6-diyl, piperidine-1,4-diyl, decahydronaphthalene-2,6-diyl, 1,2,3,4-tetrahydronaphthalene-2,6-diyl, indane-2,5-diyl or octahydro-4,7-methanoindane-2,5-diyl, perhydrocyclopenta[a]phenanthrene-3,17-diyl (in particular gonane-3,17-diyl), where all these groups may be unsubstituted or mono- or polysubstituted by a group L.'}4. A LC medium according to claim 1 , wherein the compound of the formula I contains in total at least one group L on the groups A claim 1 , Aand A claim 1 , as are present.6. A LC medium according to claim 1 , wherein claim 1 , besides one or more compounds of the formula I claim 1 , the polymerisable or polymerised component comprises one or more further polymerisable or polymerised compounds claim 1 , ...

Spontaneous orientation aid for liquid crystal composition, compound suitable for said spontaneous orientation aid, liquid crystal composition, and liquid crystal display element

The present invention provides a spontaneous orientation aid for a liquid crystal composition, containing one kind or two or more kinds of a compound having a partial structure represented by the general formula (i), wherein Z i1 represents a single bond, etc.; A i1 represents a divalent 6-membered aromatic group, etc.; m i1 represents an integer of 1 to 5; and K i1 represents a structure represented by any of the following formulae (K-1) to (K-8), wherein W K1 represents a methine group, etc.; X K1 and Y K1 each represent —CH 2 —, etc.; Z K1 represents an oxygen atom, etc.; and U K1 , V K1 , and S K1 each represent a methine group, etc.:

MESOGENIC COMPOUNDS AND MESOGENIC MEDIA

The invention relates to bimesogenic compounds of formula I 2. Compounds according to claim 1 , characterized in that MGis selected of partial formula II{'br': None, 'sup': 11', '1', '12, 'sub': 'k', '-A-(Z-A)-\u2003\u2003II'}wherein{'sup': '1', 'sub': 2', '2', '2', '2', '2', '2', '2', '4', '2', '2, 'Zis, independently of each other in each occurrence, a single bond, —COO—, —COO—, —O—CO—O—, —OCH—, —CHO—, —OCF—, —CFO—, —CHCH—, —(CH)—, —CFCF—, —CH═CH—, —CF═CF—, —CH═CH—COO—, —OCO—CH═CH— or —C≡C—, optionally substituted with one or more of F, S and/or Si, preferably substituted with one or more F-atoms, preferably a single bond,'}{'sup': 11', '12', '11', '12, 'sub': '2', 'Aand Aare each independently of each other in each occurrence 1,4-phenylene, wherein in addition one or more CH groups may be replaced by N, trans-1,4-cyclo-hexylene in which, in addition, one or two non-adjacent CHgroups may be replaced by O and/or S, 1,4-cyclohexenylene, 1,4-bicyclo-(2,2,2)-octylene, piperidine-1,4-diyl, naphthalene-2,6-diyl, decahydro-naphthalene-2,6-diyl, 1,2,3,4-tetrahydro-naphthalene-2,6-diyl, cyclobutane-1,3-diyl, spiro[3.3]heptane-2,6-diyl or dispiro[3.1.3.1]decane-2,8-diyl, it being possible for all these groups to be unsubstituted, mono-, di-, tri- or tetrasubstituted with F, Cl, CN or alkyl, alkoxy, alkylcarbonyl or alkoxycarbonyl groups with 1 to 7 C atoms, wherein one or more H atoms may be substituted by F or Cl, optionally one or more, preferably one, of the rings Aand Amay be 1,4-phenylene, wherein in addition one or more CH groups may be replaced by N, it being possible for all this group to be unsubstituted, mono-, di-, tri- or tetrasubstituted with F, Cl, CN or alkyl, alkoxy, alkylcarbonyl or alkoxycarbonyl groups with 1 to 7 C atoms, wherein one or more H atoms may be substituted by F or Cl, and'}k is 0, 1, 2, 3 or 4.4. Compounds according to claim 1 , characterized in that MGis selected from the group of formulae II-1 to II-26 and their mirror images{'br': None, '- ...

Liquid crystal display device and method for producing liquid crystal display device

The present invention provides a liquid crystal display device that includes: a pair of substrates; a liquid crystal layer held between the substrates; and an alignment film disposed on a liquid crystal layer side surface of at least one of the substrates, the liquid crystal layer containing a liquid crystal material that has a nematic-isotropic phase transition temperature of 75° C. or lower and a nematic phase temperature range narrower than 100° C., the alignment film containing a first polymer and a second polymer, the first polymer having in its main chain at least one selected from a polyamic acid structure and a polyimide structure or a polysiloxane structure, the second polymer being obtained by polymerizing at least one monomer including at least one monomer containing a chalcone group.

LIQUID CRYSTAL COMPOSITION AND LIQUID CRYSTAL DISPLAY DEVICE

A liquid crystal composition and an AM LCD device containing the liquid crystal composition are described. The liquid crystal composition has a negative dielectric anisotropy, includes a specific compound having a high maximum temperature and a large optical anisotropy as a first component, and may also include at least one of a specific compound having a large negative dielectric anisotropy as a second component, a specific compound having a high maximum temperature or a small viscosity as a third component, and a specific compound having a polymerizable group as an additive component. 3. The liquid crystal composition of claim 1 , wherein a proportion of the first component is in a range of 3 wt % to 20 wt % based on a weight of the liquid crystal composition.6. The liquid crystal composition of claim 4 , wherein a proportion of the second component is in a range of 20 wt % to 70 wt % based on a weight of the liquid crystal composition.9. The liquid crystal composition of claim 7 , wherein a proportion of the third component is in a range of 20 wt % to 70 wt % based on a weight of the liquid crystal composition.14. The liquid crystal composition of claim 11 , wherein a proportion of the additive component is in a range of 0.03 wt % to 10 wt % based on a weight of the liquid crystal composition.18. A liquid crystal display device comprising the liquid crystal composition of .19. The liquid crystal display device of claim 18 , wherein the operating mode of the liquid crystal display device is an IPS mode claim 18 , a VA mode claim 18 , an FFS mode or an FPA mode claim 18 , and the driving mode of the liquid crystal display device is an active matrix mode.20. A liquid crystal display device with a polymer sustained alignment type claim 11 , comprising the liquid crystal composition of claim 11 , or comprising the liquid crystal composition in which a polymerizable compound has been polymerized. This application claims the priority benefit of Japan application serial ...

LIQUID CRYSTAL COMPOSITION AND LIQUID CRYSTAL DISPLAY DEVICE

To provide a liquid crystal composition having at least one or a suitable balance regarding at least two of characteristic such as high maximum temperature of a nematic phase, low minimum temperature thereof, small viscosity, suitable optical anisotropy, large dielectric anisotropy, large specific resistance, high stability to ultraviolet light or heat; an AM device having short response time, a large voltage holding ratio, a large contrast ratio, long service life and so forth. The liquid crystal composition has positive dielectric anisotropy and contains a specific compound having high maximum temperature and large refractive index anisotropy as a first component, and may contain a specific compound having large positive dielectric anisotropy as a second component, a specific compound having high maximum temperature or small viscosity as a third component or a specific compound having negative dielectric anisotropy as a fourth component, and a liquid crystal display device includes the composition. 3. The liquid crystal composition according to claim 1 , wherein a ratio of the first component is in the range of 5% by weight to 30% by weight based on the weight of the liquid crystal composition.6. The liquid crystal composition according to claim 4 , wherein a ratio of the second component is in the range of 10% by weight to 70% by weight based on the weight of the liquid crystal composition.9. The liquid crystal composition according to claim 7 , wherein a ratio of the third component is in the range of 25% by weight to 80% by weight based on the weight of the liquid crystal composition.14. The liquid crystal composition according to claim 11 , wherein a ratio of the fourth component is in the range of 3% by weight to 25% by weight based on the weight of the liquid crystal composition.15. The liquid crystal composition according to claim 1 , wherein a maximum temperatures of a nematic phase is 70° C. or higher claim 1 , optical anisotropy (measured at 25° C.) at a ...

LIQUID-CRYSTALLINE MEDIA

Liquid-crystalline media which can be used, in particular, for electro-optical displays having active-matrix addressing based on the ECB effect and for IPS (in-plane switching) displays or FFS (fringe field switching) displays. 2. The liquid-crystalline medium according to comprising at least three compounds of the formula I.3. The liquid-crystalline medium according to claim 1 , wherein Land Leach denote fluorine.4. The liquid-crystalline medium according to claim 1 , wherein Zdenotes a single bond.6. The liquid-crystalline medium according to comprising at least one compound of a formula selected from the group consisting of I-1 claim 5 , I-3 claim 5 , I-7 claim 5 , I-13 claim 5 , I-15 claim 5 , I-19 claim 5 , I-25 and I-26.7. The liquid-crystalline medium according to comprising at least two compounds selected from the group consisting of the formulas I-1 claim 6 , I-3 claim 6 , I-7 claim 6 , I-13 claim 6 , I-15 claim 6 , I-19 claim 6 , I-25 and I-26.8. The liquid-crystalline medium according to claim 1 , wherein the proportion of one or more compounds of the formula I in the mixture as a whole is 5-65% by weight.15. A process for the preparation of a liquid-crystalline medium according to claim 1 , wherein at least one compound of the formula I is mixed with at least one further liquid-crystalline compound claim 1 , and one or more additives are optionally added.16. The process according to claim 15 , wherein the additive is selected from the group consisting of stabilisers claim 15 , antioxidants claim 15 , UV absorbers claim 15 , nanoparticles claim 15 , microparticles claim 15 , polymerisable compounds claim 15 , dopants and free-radical initiators.17. An electro-optical display comprising the liquid-crystalline medium according to .18. An electro-optical display having active-matrix addressing claim 1 , wherein the electro-optical display contains claim 1 , as dielectric claim 1 , a liquid-crystalline medium according to .19. The electro-optical display ...

Liquid crystal composition and liquid crystal display device

Shown are a liquid crystal composition satisfying at least one of characteristics such as high maximum temperature, low minimum temperature, low viscosity, suitable optical anisotropy and large negative dielectric anisotropy, or having a suitable balance regarding at least two of the characteristics, and an AM device including the composition. The liquid crystal composition contains a specific compound having large negative dielectric anisotropy as a first component, and a specific compound having low viscosity as a second component, and may contain a specific compound having negative dielectric anisotropy as a third component, a specific compound having high maximum temperature or low viscosity as a fourth component, or a specific compound having a polymerizable group as an additive.

TETRACYCLIC LIQUID CRYSTAL COMPOUND HAVING DIATOMIC BONDING GROUP AND 2,3-DIFLUOROPHENYLENE, LIQUID CRYSTAL COMPOSITION AND LIQUID CRYSTAL DISPLAY DEVICE

A means is a compound represented by formula (1) , a liquid crystal composition containing the compound, and a liquid crystal display device including the composition. 2. The compound according to claim 1 , wherein claim 1 , in formula (1) claim 1 , Ris alkyl having 1 to 15 carbons claim 1 , and in the alkyl claim 1 , at least one piece of —CH— may be replaced by —O— claim 1 , and at least one piece of —CHCH— may be replaced by —CH═CH— claim 1 , and Ris alkyl having 1 to 15 carbons claim 1 , alkoxy having 1 to 15 carbons or alkenyl having 2 to 15 carbons; ring Ais 1 claim 1 ,4-cyclohexylene claim 1 , and ring Aand ring Aare independently 1 claim 1 ,4-cyclohexylene claim 1 , 1 claim 1 ,4-phenylene claim 1 , tetrahydropyran-2 claim 1 ,5-diyl claim 1 , 1 claim 1 ,3-dioxane-2 claim 1 ,5-diyl claim 1 , pyridine-2 claim 1 ,5-diyl or pyrimidine-2 claim 1 ,5-diyl; and Z claim 1 , Zand Zare independently a single bond claim 1 , —COO— claim 1 , —OCO— or —CHCH— claim 1 , and at least one of Z claim 1 , Zand Zis —COO— claim 1 , —OCO— or —CHCH—.3. The compound according to claim 1 , wherein claim 1 , in formula (1) claim 1 , Ris alkenyl having 2 to 10 carbons claim 1 , and Ris alkyl having 1 to 15 carbons claim 1 , alkoxy having 1 to 15 carbons or alkenyl having 2 to 15 carbons; ring Ais 1 claim 1 ,4-cyclohexylene claim 1 , and ring Aand ring Aare independently 1 claim 1 ,4-cyclohexylene claim 1 , 1 claim 1 ,4-phenylene claim 1 , tetrahydropyran-2 claim 1 ,5-diyl claim 1 , 1 claim 1 ,3-dioxane-2 claim 1 ,5-diyl claim 1 , pyridine-2 claim 1 ,5-diyl or pyrimidine-2 claim 1 ,5-diyl;{'sup': 1', '2', '3', '1', '2', '3, 'sub': 2', '2', '2', '2, 'and Z, Zand Zare independently a single bond, —COO—, —OCO— or —CHCH—, and at least one of Z, Zand Zis —COO—, —OCO— or —CHCH—.'}11. The compound according to claim 8 , wherein claim 8 , in formula (1-13) to formula (1-15) claim 8 , Ris alkenyl having 2 to 5 carbons claim 8 , and Ris alkyl having 1 to 5 carbons or alkoxy having 1 to 5 carbons.12 ...

Light modulation element

A light modulation element comprising, preferably consisting of a cholesteric liquid crystalline medium sandwiched between two opposing substrates, an electrode arrangement, which is capable to allow the application of an electric field, which is substantially perpendicular to the main plane of substrate or the layer of the cholesteric liquid-crystalline medium, characterized in that one of the substrates is provided with a processed alignment layer adjacent to the cholesteric liquid crystalline medium and the other substrate is either provided with an unprocessed alignment layer adjacent to the cholesteric liquid crystalline medium or is not provided with an alignment layer. The invention is further related to a method of production of said light modulation element and to the use of said light modulation element in various types of optical and electro-optical devices, such as electro-optical displays, liquid crystal displays (LCDs), non-linear optic (NLO) devices, and optical information storage devices.

OPTICAL FILM, POLARIZING PLATE, IMAGE DISPLAY DEVICE, POLYMERIZABLE COMPOUND, AND METHOD FOR MANUFACTURING 1,4-CYCLOHEXANEDICARBOXYLIC ACID MONOARYL ESTER

An object of the present invention is to provide an optical film having an optically-anisotropic layer having excellent durability, a polarizing plate and an image display device in which the optical film is used, a polymerizable compound used in the optical film, and a method for manufacturing a 1,4-cyclohexanedicarboxylic acid monoaryl ester. The optical film of the present invention is an optical film having at least an optically-anisotropic layer, in which the optically-anisotropic layer is a layer obtained by polymerizing a polymerizable liquid crystal composition containing a polymerizable compound which has a specific structure, a liquid crystal compound which has a specific structure, and a polymerization initiator. 2. The optical film according to claim 1 , {'br': None, '0.75 Подробнее

LIQUID CRYSTAL COMPOSITION AND LIGHT SWITCHING DEVICE

A liquid crystal composition that satisfies at least one of characteristics such as a high maximum temperature, a low minimum temperature, a wide temperature range of a liquid crystal phase, a small viscosity, a large optical anisotropy, a large positive or negative dielectric anisotropy, a large specific resistance, a high stability to light, a high stability to heat and a large elastic constant or that is suitably balanced between at least two of these characteristics. The means is use of a liquid crystal composition that includes a specific compound having a high maximum temperature or a small viscosity as a first component, and that may include a specific compound having a large positive dielectric anisotropy as a second component, or a specific compound having a large negative dielectric anisotropy as a third component or a specific compound having a polymerizable group as a first additive. 3. Use for the light switching device according to claim 1 , of a liquid crystal composition in which the ratio of the first component is in the range of 10% to 90%.6. Use for the light switching device according to claim 4 , of a liquid crystal composition in which the ratio of the second component is in the range of 10% to 90%.9. Use for the light switching device according to claim 7 , of a liquid crystal composition in which the ratio of the third component is in the range of 10% to 90%.13. Use for the light switching device according to claim 10 , of a liquid crystal composition in which the ratio of the first additive is in the range of 0.03% to 10%.14. Use for the light switching device according to claim 1 , of a liquid crystal composition in which the maximum temperature of a nematic phase is 70° C. or higher claim 1 , the optical anisotropy (measured at 25° C.) at a wavelength of 589 nanometers is 0.07 or more claim 1 , and the dielectric anisotropy (measured at 25° C.) at a frequency of 1 kHz is 2 or more or −2 or less.15. A liquid crystal composition described ...

POLYMERIZABLE COMPOUND HAVING METHOXYMETHYL ACRYLIC GROUP, LIQUID CRYSTAL COMPOSITION AND LIQUID CRYSTAL DISPLAY DEVICE

The problem is to provide a polymerizable compound having suitable polymerization reactivity, a high conversion ratio, low polymerization starting temperature, and high solubility in a liquid crystal composition; a liquid crystal composition containing the compound; and a liquid crystal display device including the composition. 2. The compound according to claim 1 , [{'sup': 1', '2', '3, 'ring Ais cyclohexyl, cyclohexenyl, phenyl, 1-naphthyl, 2-naphthyl, tetrahydropyran-2-yl, tetrahydropyran-3-yl, 1,3-dioxane-2-yl or 1,3-dioxane-3-yl, ring Aand ring Aare independently 1,4-cyclohexylene, 1,4-cyclohexenylene, 1,4-phenylene, naphthalene-1,5-diyl, naphthalene-2,6-diyl, tetrahydropyran-2,5-diyl or 1,3-dioxane-2,5-diyl, and'}, 'in the rings, at least one hydrogen may be replaced by fluorine or chlorine., 'wherein, in formula (1),'}3. The compound according to claim 1 , {'sup': 1', '2', '3', '4, 'sub': 2', '2', '2, 'Sp, Sp, Spand Spare independently a single bond or alkylene having 1 to 7 carbons, and in the alkylene, at least one piece of —CH— may be replaced by —O—, and at least one piece of —(CH)— may be replaced by —CH═CH—, and in the groups, at least one hydrogen may be replaced by fluorine or chlorine.'}, 'wherein, in formula (1),'}8. A liquid crystal composition claim 1 , containing at least one compound according to as component A.14. The liquid crystal composition according to claim 8 , further containing at least one of polymerizable compounds different from the compounds represented by formula (1) and formula (16) claim 8 , a polymerization initiator claim 8 , a polymerization inhibitor claim 8 , an optically active compound claim 8 , an antioxidant claim 8 , an ultraviolet light absorber claim 8 , a light stabilizer claim 8 , a heat stabilizer and an antifoaming agent.15. A liquid crystal display device claim 8 , including at least one liquid crystal composition according to . The invention relates to a polymerizable compound, a polymerizable composition ...

LIQUID CRYSTAL COMPOSITION AND LIQUID CRYSTAL DISPLAY DEVICE

Provided is a liquid crystal composition satisfying at least one or having suitable balance regarding at least two of characteristics such as high maximum or low minimum temperature of a nematic phase, large optical anisotropy, large positive dielectric anisotropy and high stability to ultraviolet light, and a liquid crystal display device including such a composition, particularly an encapsulated liquid crystal display device, and a liquid crystal display device serving as a constituent of 3D lenses. The liquid crystal composition contains a specific compound having large optical anisotropy as a first component, and a specific compound having large optical anisotropy and large positive dielectric anisotropy as a second component; a specific compound having large positive dielectric anisotropy as a third component; and a specific compound having large optical anisotropy and further having high maximum or low minimum temperature as a fourth component, and the liquid crystal display device includes the composition. 3. The liquid crystal composition according to , wherein a proportion of a compound represented by formula (1) described in is in the range of 10% by weight to 50% by weight based on the weight of the liquid crystal composition.5. The liquid crystal composition according to , wherein a proportion of a compound represented by formula (2-1) and formula (2-2) described in is in the range of 5% by weight to 60% by weight based on the weight of the liquid crystal composition.8. The liquid crystal composition according to claim 6 , wherein a proportion of the third component is in the range of 1% by weight to 50% by weight based on the weight of the liquid crystal composition.11. The liquid crystal composition according to claim 9 , wherein a proportion of the fourth component is in the range of 5% by weight to 55% by weight based on the weight of the liquid crystal composition.12. The liquid crystal composition according to claim 1 , wherein an optical ...

LIQUID CRYSTAL DISPLAY ELEMENT AND METHOD FOR MANUFACTURING SAME

The liquid crystal display device including a liquid crystal layer between a first substrate and a second substrate, the first substrate having a common electrode and a color filter, the second substrate having a plurality of pixels and having a pixel electrode in each pixel, the liquid crystal layer containing a liquid crystal composition, wherein the liquid crystal display device has no alignment film on one or both of the first substrate and the second substrate, but has an alignment control layer formed of a polymer of two or more polymerizable compounds, and contains a compound represented by the general formula (III). 3. The liquid crystal display device according to claim 1 , wherein the pixel electrode has a slit.4. The liquid crystal display device according to claim 1 , wherein at least one of the first substrate and the second substrate has a structure that defines a pretilt direction.5. The liquid crystal display device according to claim 1 , further comprising a passivation film between the first substrate and the liquid crystal layer and/or between the second substrate and the liquid crystal layer.6. The liquid crystal display device according to claim 1 , further comprising a planarizing film between the first substrate and the liquid crystal layer and/or between the second substrate and the liquid crystal layer.8. The method for manufacturing a liquid crystal display device according to claim 7 , wherein the active energy beam is ultraviolet light with a plurality of spectra.9. The method for manufacturing a liquid crystal display device according to claim 7 , wherein the pixel electrode has a slit claim 7 , or at least one of the first substrate and the second substrate has a structure that defines a pretilt direction. The present invention relates to a liquid crystal display device that is useful as a constituent of liquid crystal TVs and the like and a method for manufacturing the liquid crystal display device.Liquid crystal display devices are ...

BIMESOGENIC COMPOUNDS AND MESOGENIC MEDIA

The invention relates to bimesogenic compounds of formula I 2. Bimesogenic compounds according to claim 1 , characterized in that{'sup': '11', 'Ris an alkenyl group.'}3. Bimesogenic compounds according to claim 1 , characterized in that{'sup': '11', 'Ris an alkinyl group.'}4. Bimesogenic compounds according to claim 1 , characterized in that{'sup': '12', 'Ris an alkenyl group.'}5. Bimesogenic compounds according to claim 1 , characterized in that{'sup': '12', 'Ris an alkinyl group.'}6. Bimesogenic compounds according to claim 1 , characterized in that{'sup': '12', 'sub': 3', '3, 'Ris selected from OCF, CF, F, Cl and CN.'}7. Bimesogenic compounds according to claim 1 , characterized in that Spis —(CH)— and o is 1 claim 1 , 3 or an integer from 5 to 15.8. (canceled)9. Liquid-crystalline medium claim 1 , characterised in that it comprises one or more bimesogenic compounds according to .10. Liquid-crystalline medium according to claim 9 , characterised in that it additionally comprises one or more compounds selected from the group of the compounds of the formulae III{'br': None, 'sup': 31', '31', '31', '3', '32', '32, 'R-MG-X—Sp—X-MG-R\u2003\u2003III'}wherein{'sup': 31', '32, 'sub': '2', 'claim-text': {'sub': '3', '—N(CH)—, —CO—, —COO—, —OCO—, —O—CO—O—, —S—CO—, —CO—S—, —CH═CH—, —CH═CF—, —CF═CF— or —C≡C— in such a manner that oxygen atoms are not linked directly to one another,'}, 'Rand Rare each independently H, F, Cl, CN, NCS or a straight-chain or branched alkyl group with 1 to 25 C atoms which may be unsubstituted, mono- or polysubstituted by halogen or CN, it being also possible for one or more non-adjacent CHgroups to be replaced, in each case independently from one another, by —O—, —S—, —NH—,'}{'sup': 31', '32, 'MGand MGare each independently a mesogenic group,'}{'sup': '3', 'sub': 2', '3, 'Spis a spacer group comprising 5 to 40 C atoms, wherein one or more non-adjacent CHgroups may also be replaced by —O—, —S—, —NH—, —N(CH)—, —CO—, —O—CO—, —S—CO—, —O—COO—, —CO—S ...

PHOTOREACTIVE LIQUID CRYSTAL COMPOSITION, DISPLAY ELEMENT, OPTICAL ELEMENT, METHOD FOR MANUFACTURING DISPLAY ELEMENT, AND METHOD FOR MANUFACTURING OPTICAL ELEMENT

The purpose of the present invention is to provide: elements, in particular, a display element and an optical element, which are obtained by controlling orientation of liquid crystals in a liquid crystal bulk without using a liquid crystal orientation film; and/or a photoreactive liquid crystal composition for manufacturing the elements. The present invention provides: a photoreactive liquid crystal composition comprising (A) a photoreactive polymer liquid crystal which includes a photoreactive side chain in which at least one type of reaction selected from the group consisting of (A-1) photocrosslinking and (A-2) photoisomerization occurs, and (B) a low molecular weight liquid crystal; and an optical element or display element which is formed having a liquid crystal cell including the composition. 1. A photoreactive liquid crystal composition comprising:(A) a photoreactive polymer liquid crystal having a photoreactive side chain, which reacts by at least one reaction selected from the group consisting of (A-1) photocrosslinking, and (A-2) photoisomerization; and(B) a low molecular liquid crystal,wherein the component (A) comprises a rigid raesogenic component.2. The composition according to claim 1 , wherein the (A) photoreactive polymer liquid crystal comprises a photoreactive side chain claim 1 , which reacts by the (A-1) photocrosslinking reaction.3. The composition according to claim 1 , wherein a weight ratio of the (A) photoreactive polymer liquid crystal and the (B) low molecular liquid crystal ((A) photoreactive polymer liquid crystal: (B) low molecular liquid crystal) is 0.1:99.9 to 20:80.10. A display element comprising a liquid crystal cell comprising the photoreactive liquid crystal composition according to .11. A display element comprising a liquid crystal cell comprising the photoreactive liquid crystal composition according to claim 1 , wherein the (B) low molecular liquid crystal has predetermined orientation in the liquid crystal cell.12. An ...

POLYMERIZABLE COMPOSITION AND OPTICALLY ANISOTROPIC BODY USING SAME

A polymerizable composition excellent in solubility and having high storage stability with no crystal precipitation or the like; a polymerizable composition capable of being formed into a polymer excellent in alignment performance and leveling performance, hardly having defects, cissing and unevenness and hardly causing appearance failure owing to surfactant offset; and a polymer, an optically anisotropic body, a display element, a light-emitting element and the like using the polymerizable composition are provided. Specifically, the invention provides a polymerizable composition containing a) one or two or more polymerizable compounds each having one polymerizable group or two or more polymerizable groups and satisfying a formula (I) Re(450 nm)/Re(550 nm)<1.0 (I), and b) one or two or more compounds represented by the general formula (B). In addition, the invention provides a polymer, an optically anisotropic body, a display element, a light-emitting element and the like using the polymerizable composition. 1. A polymerizable composition comprising: {'br': None, 'Re(450 nm)/Re(550 nm)<1.0\u2003\u2003(I)'}, 'a) one or two or more polymerizable compounds each having one polymerizable group or two or more polymerizable groups and satisfying a formula (I)(wherein Re(450 nm) represents an in-plane phase difference of the polymerizable compound containing one polymerizable group or two or more polymerizable groups at a wavelength of 450 nm in the case where the molecules of the compound are aligned on a substrate such that a longitudinal axis direction of each molecule is aligned substantially horizontally with respect to the substrate, and Re(550 nm) represents an in-plane phase difference of the polymerizable compound containing one polymerizable group at a wavelength of 550 nm in the case where the molecules of the compound are aligned on a substrate such that a longitudinal axis direction of each molecule is aligned substantially horizontally with respect to the ...

POLYMERIZABLE COMPOUND AND APPLICATION THEREOF

The present invention provides a polymerizable compound with a structure of general formula I, which exhibits none or few of the problems existing in the prior art. A polymerizable liquid crystal composition comprising the polymerizable compound has good stability and higher reliability, and is embodied by having a smaller pretilt angle change and higher voltage holding ratio. Also, there is little or no image sticking effect in a liquid crystal display device comprising the polymerizable liquid crystal composition. The present invention also provides a method of synthesizing a polymerizable compound with a structure of general formula I. The present invention further provides a polymerizable liquid crystal composition comprising the polymerizable compound and a liquid crystal display device comprising the polymerizable liquid crystal composition. 3. The polymerizable compound according to claim 2 , wherein at least one of L-Lis —F or —CH.4. The polymerizable compound according to claim 2 , wherein Z represents —CHO— claim 2 , —OCH— claim 2 , —CHCH— claim 2 , —COO— or —OCO—.5. The polymerizable compound according to claim 2 , wherein at least one of L-Land/or L-Lin the general formula I-1 is —F or —CH.6. The polymerizable compound according to claim 2 , wherein at least two of L-Lin the general formulas I-1 and I-2 are —F or —CH.7. The polymerizable compound according to claim 4 , wherein Z represents —CHO— claim 4 , —OCH— or —CHCH—.11. A polymerizable liquid crystal composition comprising the polymerizable compound of .12. A liquid crystal display device comprising the polymerizable liquid crystal composition of . The present invention relates to a polymerizable compound, in particular to a polymerizable compound having good stability and higher reliability and uses thereof.Liquid crystal display elements can be used in various electrical apparatuses for domestic use, measuring apparatuses, automotive panels, word processors, computers, printers, televisions and so ...

LIQUID CRYSTAL COMPOSITION AND USE THEREOF

A liquid crystal composition contains: at least one compound of general formula I and at least one polymerizable compound of general formula II. Such a liquid crystal composition has a suitable optical anisotropy, a suitable dielectric anisotropy, and a better pretilt angle consistency while maintaining a relatively high clearing point, and the drop mura is good. When the liquid crystal composition is applied to a PSA liquid crystal display, the liquid crystal composition has an excellent display effect. 8. The liquid crystal composition according to claim 6 , wherein the compound of general formula I provides 1 to 30% by weight of the total amount of the liquid crystal composition claim 6 , the compound of general formula II provides 0.001 to 5% by weight of the total amount of the liquid crystal composition claim 6 , the compound of general formula III provides 0 to 70% by weight of the total amount of the liquid crystal composition claim 6 , and the compound of general formula IV provides 0 to 70% by weight of the total amount of the liquid crystal composition.9. The liquid crystal composition according to claim 8 , wherein the compound of general formula I provides 1 to 30% by weight of the total amount of the liquid crystal composition claim 8 , the compound of general formula II provides 0.001 to 5% by weight of the total amount of the liquid crystal composition claim 8 , the compound of general formula III provides 10 to 70% by weight of the total amount of the liquid crystal composition claim 8 , and the compound of general formula IV provides 20 to 70% by weight of the total amount of the liquid crystal composition.10. A liquid crystal display device comprising the liquid crystal composition of any one of . This application is the National Stage of International Application No. PCT/CN2018/093430, filed Jun. 28, 2018, which claims the benefit of Chinese Application No. 201710522697.2, filed Jun. 30, 2017, the contents of which is incorporated by reference ...

Curved liquid crystal display

A curved liquid crystal display includes a first substrate, a second substrate overlapping the first substrate, a liquid crystal layer positioned between the first substrate and the second substrate and including a plurality of liquid crystal molecules, and a lower protrusion positioned between the first substrate and the liquid crystal layer, the lower protrusion being formed from at least one among a first compound represented by Chemical Formula 1, a polymer obtained from the first compound, and a polymer of the first compound and a cross-linker.

BIMESOGENIC COMPOUNDS AND MESOGENIC MEDIA

The invention relates to bimesogenic compounds of formula I 2. Bimesogenic compounds according to claim 1 , characterized in that at least one of{'sup': 11', '12, 'MGand MGcomprises one or two 5-atomic rings, and one or more 6-atomic rings, and at least two of these are optionally linked by a 2-atomic group.'}3. Bimesogenic compounds according to claim 1 , characterized in that both MGand MGcomprise one or two 5-atomic rings.4. Bimesogenic compounds according to claim 1 , characterized in that Ris selected from OCF claim 1 , CF claim 1 , F claim 1 , Cl and CN.5. Bimesogenic compounds according to claim 1 , characterized in that Spis —(CH)— and o is 1 claim 1 , 3 or an integer from 5 to 15.6. (canceled)7. Liquid-crystalline medium claim 1 , characterised in that it comprises one or more bimesogenic compounds according to .8. Liquid-crystalline medium according to claim 7 , characterised in that it additionally comprises one or more compounds selected from the group of the compounds of the formulae III{'br': None, 'sup': 31', '31', '31', '3', '32', '32', '32, 'R-MG-X-Sp-X-MG-R\u2003\u2003III'}wherein{'sup': 31', '32, 'sub': '2', 'claim-text': {'sub': '3', '—N(CH)—, —CO—, —COO—, —OCO—, —O—CO—O—, —S—CO—, —CO—S—, —CH═CH—, —CH═CF—, —CF═CF— or —C≡C— in such a manner that oxygen atoms are not linked directly to one another,'}, 'Rand Rare each independently H, F, Cl, CN, NCS or a straight-chain or branched alkyl group with 1 to 25 C atoms which may be unsubstituted, mono- or polysubstituted by halogen or CN, it being also possible for one or more non-adjacent CHgroups to be replaced, in each case independently from one another, by —O—, —S—, —NH—,'}{'sup': 31', '32, 'MGand MGare each independently a mesogenic group,'}{'sup': '3', 'sub': 2', '3, 'claim-text': '—S—CO—, —O—COO—, —CO—S—, —CO—O—, —CH(halogen)-, —CH(CN)—, —CH═CH— or ≡C≡C—, and', 'Spis a spacer group comprising 5 to 40 C atoms, wherein one or more non-adjacent CHgroups may also be replaced by —O—, —S—, —NH—, —N(CH ...

Bimesogenic compounds

The invention relates to bimesogenic compounds of formula (I) R 1 -MG 1 -Sp-MG 2 -R 2 Wherein R 1 , R 2 , MG 1 , MG 2 and Sp have the meaning given in claim 1, to the use of bimesogenic compounds of formula (I) in liquid crystal media and particular to flexoelectric liquid crystal devices comprising a liquid crystal medium according to the present invention. Furthermore the invention relates to bimesogenic compounds of formula I inducing a second nematic phase in nematic mixtures that do not show this additional phase without compounds of formula (I).

ELECTROOPTIC LIQUID CRYSTAL SYSTEM

Electrooptical liquid crystal system

To improve switching times, especially at low temperatures, one or more reactive liquid crystalline compounds is added to a liquid crystal mixture used in an electrooptical system. The electrooptical system comprises a PDLC film comprising a liquid crystal mixture forming micro- droplets in an optically isotropic, transparent polymer matrix between 2 electrode layers. The reactive liquid crystalline compounds are of formula II, R′—G′—R″, wherein R′, G′ and R″ are as defined herein. The liquid crystal mixture comprises one or more compounds of the formula I wherein R, A 1 , A 2 , Z 1 , Z 2 , X 1 , X 2 , Q, Y and n are as defined herein.

Polymerizable polar compound, liquid crystal composition, and liquid crystal display element

Provided is a polar compound having high chemical stability, high ability to align liquid crystal molecules, and high solubility in a liquid crystal composition, and which has a large voltage-holding ratio in a liquid crystal display element. Specifically, compound (1) is provided. For example, R 1 is a C1-15 alkyl; MES is a mesogenic group having at least one ring; Sp 1 is a single bond or a C1-10 alkylene, in this alkylene, at least one hydrogen is substituted by a group (1a); P 1 is a group (1e) or (1f); M 1 , M 2 , M 3 , and M 4 are hydrogen; Sp 2 and Sp 3 are a single bond or a C1-10 alkylene; R 2 is a C1-15 alkyl; R 3 is a group (1g), (1h), or (1i); Sp 4 and Sp 5 are a single bond of C1-10 alkylene; S 1 is >CH-, S 2 is >C<; and X 1 is -OH.

A method of liquid crystal compounds with a terminal izotiocyanate group getting

호메오트로픽 정렬을 갖는 액정 매질

본 발명은 저분자량의 성분 및 중합성 성분을 포함하는, 음 또는 양의 유전 이방성을 갖는 액정 매질(LC 매질)에 관한 것이다. 상기 중합성 성분은, 액정 디스플레이(LC 디스플레이)의 표면 또는 셀 벽에서 액정 매질의 호메오트로픽(수직) 정렬을 수행하는 자가-정렬 중합성 메소젠(중합성 자가-정렬 첨가제)을 포함한다. 따라서, 본 발명은 또한 정렬 층 없이 액정 매질의 호메오트로픽 정렬을 갖는 액정 디스플레이를 포괄한다. 본 발명은 특정 위치의 작용기를 갖는 중합성 자가-정렬 첨가제에 대한 신규한 구조를 개시한다.

Liquid crystalline compound having negative dielectric anisotropy value, liquid crystal composition, and liquid crystal display device

Liquid crystalline ethane derivatives, their preparation and the liquid crystal compositions containing same

Liquid crystalline ethane derivatives prepared by the described method in order to form liquid crystalline compositions with known liquid crystalline compounds have a general formula 1 : wherein, when ring A indicates a 1,4-substituted benzene ring, then ring B indicates 1,4-substituted benzene ring or 1,4- trans substituted cyclohexane ring or 1,4-substituted bicyclo [2,2,2] octane ring or 2,5-substituted pyrimidine ring or 2,5- substituted 1,3-dioxane ring, or when ring B indicates a 1,4- substituted benzene ring, then A indicates 1,4-trans substituted cyclohexane ring or 1,4-substituted bicylo [2,2,2] octane ring or 2,5-substituted pyrimidine ring or 2,5-substituted 1,3-dioxane ring, and R indicates a normal alkyl chain C n H 2n-1 or a non-branched alkoxyl group C n H 2n+1 O or an alkylcarboxylic group C n H 2n+1 COO or an alkylcarbobato group C n H 2n+1 OCOO or a branched alkyl chain CH 3 -CH 2 -CH/CH 3 /-/ CH 2 / k ora vbranched alkoxy group CH 3 -CH 2 -CH/CH 3 /-/CH 2 / k -O, n is an integer number and assumes values from 1 to 12, k is an integer number and assumes a values from 1 to 3, and 1 and m assume values 1 or 0. Liquid crystalline compositions containing the compound of formula 1 are characterized by low viscosity and are applied displays.

Liquid crystal medium and electro-optic display including the same

液晶显示装置

本发明涉及使用特定的液晶组合物和密封剂的液晶显示装置，该密封剂使用了特定固化性树脂组合物的固化物。本发明提供一种液晶显示装置，所述液晶显示装置防止液晶层的电压保持率(VHR)的降低，并解决白斑、取向不均、烧屏等显示不良的问题。本发明的液晶显示装置具有防止液晶层的电压保持率(VHR)的降低，抑制取向不均、烧屏等显示不良的产生的特征，因而，尤其对有源矩阵驱动用的VA模式、PSVA模式液晶显示装置是有用的，能够适用于液晶TV、监视器、便携电话、智能手机等液晶显示装置。

液晶装置

Liquid crystalline medium

本发明涉及包含至少一种式I化合物的液晶介质， 其中R 1 ，R 1* ，Z 1 ，L 1 和L 2 具有权利要求1中所示含义，并且本发明还涉及所述介质用于特别是基于VA，PSA-，PS-VA，PALC，FFS，PS-FFS，PS-IPS或IPS效应的有源矩阵显示器的用途。

Bimesogenic compounds

본 발명은 하기 화학식 I의 바이메소제닉 화합물, 하기 화학식 I의 바이메소제닉 화합물의 액정 매질에서의 용도, 특히 본 발명에 따른 액정 매질을 포함하는 플렉소일렉트릭 액정 소자에 관한 것이다: [화학식 I] R 1 -MG 1 -Sp-MG 2 -R 2 상기 식에서, R 1 , R 2 , MG 1 , MG 2 및 Sp는 청구항 제 1 항에 제시된 의미를 갖는다. 또한, 본 발명은, 화학식 I의 화합물 없이는 추가적인 상을 나타내지 않는 네마틱 혼합물에서, 제2 네마틱 상을 유도하는 화학식 I의 바이메소제닉 화합물에 관한 것이다. The present invention relates to the use of a bimesogenic compound of formula (I), a bimesogenic compound of formula (I) in a liquid crystal medium, in particular a flexoelectric liquid crystal device comprising a liquid crystal medium according to the invention: [Formula I] R 1 -MG 1 -Sp-MG 2 -R 2 Wherein R 1 , R 2 , MG 1 , MG 2 and Sp have the meaning given in claim 1. The present invention also relates to bimesogenic compounds of the formula (I) which lead to a second nematic phase in a nematic mixture which does not exhibit an additional phase without the compound of the formula (I).

Liquid crystal display device and method for manufacturing the same

액정 표시 장치는 액정 표시 장치는 제1 기판과 제2 기판 중 적어도 하나의 기판 상에 배향제, 반응성 메조겐, 및 용매를 포함하는 배향액을 형성하고, 상기 배향액을 경화하여 메인 배향층을 형성하고, 상기 제1 기판과 상기 제2 기판 사이에 액정층을 형성하고, 상기 메인 배향층 및 상기 액정층에 열을 가하여 상기 메인 배향층 내의 상기 반응성 메조겐을 상기 액정층으로 용출시키고, 상기 액정층에 광을 제공하여 상기 반응성 메조겐을 반응시킴으로써 제조될 수 있다. In the liquid crystal display device, the liquid crystal display device forms an aligning agent including an aligning agent, a reactive mesogen, and a solvent on at least one of a first substrate and a second substrate, and curing the aligning agent to form a main alignment layer. And forming a liquid crystal layer between the first substrate and the second substrate, and applying heat to the main alignment layer and the liquid crystal layer to elute the reactive mesogen in the main alignment layer into the liquid crystal layer, and the It can be prepared by providing light to the liquid crystal layer to react the reactive mesogen.

Method of ethane derivatives synthesis

Liquid crystalline ethane derivatives prepared by the described method in order to form liquid crystalline compositions with known liquid crystalline compounds have a general formula 1 : wherein, when ring A indicates a 1,4-substituted benzene ring, then ring B indicates 1,4-substituted benzene ring or 1,4- trans substituted cyclohexane ring or 1,4-substituted bicyclo [2,2,2] octane ring or 2,5-substituted pyrimidine ring or 2,5- substituted 1,3-dioxane ring, or when ring B indicates a 1,4- substituted benzene ring, then A indicates 1,4-trans substituted cyclohexane ring or 1,4-substituted bicylo [2,2,2] octane ring or 2,5-substituted pyrimidine ring or 2,5-substituted 1,3-dioxane ring, and R indicates a normal alkyl chain C n H 2n-1 or a non-branched alkoxyl group C n H 2n+1 O or an alkylcarboxylic group C n H 2n+1 COO or an alkylcarbobato group C n H 2n+1 OCOO or a branched alkyl chain CH 3 -CH 2 -CH/CH 3 /-/ CH 2 / k ora vbranched alkoxy group CH 3 -CH 2 -CH/CH 3 /-/CH 2 / k -O, n is an integer number and assumes values from 1 to 12, k is an integer number and assumes a values from 1 to 3, and 1 and m assume values 1 or 0. Liquid crystalline compositions containing the compound of formula 1 are characterized by low viscosity and are applied displays.

Polymerizable liquid crystal composition and polymer thereof

본 발명의 과제는 트리아세틸셀룰로오스 필름, 사이클로올레핀폴리머 필름 등의 투명 플라스틱 필름 또는 유리 등의 지지 기판에 도포할 수 있는 중합성 액정 조성물로서, 그 배향이 호모지니어스, 호메오트로픽, 하이브리드 등의 배향성을 가진 조성물, 및 상기 중합성 액정 조성물을 기판 상에 배향시키고, 상기 배향을 유지한 상태로 고분자화한 필름이다. An object of the present invention is a polymerizable liquid crystal composition which can be applied to a transparent plastic film such as a triacetyl cellulose film, a cycloolefin polymer film, or a supporting substrate such as glass, and the orientation thereof is homogeneous, homeotropic, or hybrid. It is a film which orientated the composition and the said polymeric liquid crystal composition on a board | substrate, and polymerized in the state which maintained the said orientation. 본 발명에 따르면, 식(1-1) 및 식(1-2)으로 나타내어지는 화합물, 식(2-1) 및 식(2-2)으로 나타내어지는 화합물, 및 식(3-1)으로 나타내어지는 화합물을 함유하는 중합성 액정 조성물, 이 중합성 액정 조성물을 중합시킴으로써 얻어지는 중합체 등이 제공된다. According to this invention, it is represented by the compound represented by Formula (1-1) and Formula (1-2), the compound represented by Formula (2-1) and Formula (2-2), and Formula (3-1) The polymerizable liquid crystal composition containing the losing compound, the polymer obtained by superposing | polymerizing this polymerizable liquid crystal composition, etc. are provided. 액정 조성물, 광학 이방성, 비액정 화합물, 위상 지연, 호모지니어스 배향, 호메오트로픽 배향, 하이브리드 배향 Liquid crystal composition, optical anisotropy, non-liquid crystal compound, phase retardation, homogeneous alignment, homeotropic alignment, hybrid alignment

Super fluorine negative liquid crystal compound and constituent, the preparation and application in liquid crystal display device

本发明涉及一种超氟负性液晶化合物和组合物，制备及在液晶显示器件中的应用。该化合物具有如下结构式：

Liquid-crystal composition and liquid crystal display device

本发明提供一种液晶组合物，包含：通式Ⅰ的化合物作为第一组分；通式Ⅱ‑1和/或通式Ⅱ‑2的化合物作为第二组分；通式Ⅲ的化合物作为第三组分；通式Ⅳ的化合物作为第四组分；通式Ⅴ的化合物作为第五组分；以及通式Ⅵ的化合物作为第六组分。本发明的液晶组合物具有大的介电各向异性、大的光学各向异性、高的电压保持率以及低的阈值电压等特性中的至少一种特性，适用于液晶显示器件中。本发明还提供包含该液晶组合物的液晶显示器件。

A kind of liquid-crystal composition and its application

本发明公开了一种液晶组合物及其应用，所述液晶组合物包含：至少一种通式Ⅰ的化合物以及至少一种通式Ⅱ的可聚合化合物。本发明提供的液晶组合物具有适合的光学各向异性、适合的介电各向异性以及在维持相对高的清亮点的同时，还具有较好的预倾角一致性，drop mura表现良好。所述液晶组合物应用于PSA型液晶显示器时，具有优异的显示效果。

Liquid crystal composition and liquid crystal display element

一种液晶组成物，其在向列相的上限温度高、向列相的下限温度低、粘度小、光学异向性适当、负介电异向性大、比电阻大、对紫外线稳定性高、对热稳定性高等特性中满足至少一种，或在至少两种特性间具有适当的平衡。一种具有响应时间短、电压保持率大、对比度大、寿命长等特性的AM组件。一种液晶组成物及含有该组成物的液晶显示元件，液晶组成物具有负介电异向性且含有作为第一成分的具有大的光学异向性的特定的3环化合物、以及作为第二成分的具有亚甲基氧基或吡喃环的负介电异向性大的化合物，亦可分别含有作为第三成分的具有小的粘度的特定化合物、以及作为第四成分的具有大的负介电异向性的特定化合物。

Polymerizable naphthalene compound

[과제] 본 발명이 해결하고자 하는 과제는, 중합성 액정 조성물을 구성한 경우, 다른 중합성 화합물 및 액정 화합물과 뛰어난 용해성을 갖고, 상기 중합성 액정 조성물을 경화시킨 경우에 뛰어난 내열성 및 기계 강도를 나타내는 중합성 화합물을 제공하는 것이다. [해결 수단] 으로 표시되는 중합성 화합물을 제공하며, 당해 화합물을 구성 부재로 하는 액정 조성물, 또한, 당해 액정 조성물을 사용한 광학 이방체, 또는 액정 디바이스를 제공한다. 본원 발명의 중합성 화합물은, 다른 액정 화합물과의 뛰어난 용해성을 가지므로 중합성 조성물의 구성 부재로서 유용하다. 또한, 본원 발명의 중합성 화합물을 함유하는 중합성 조성물은, 액정상 온도 범위가 넓어 당해 중합성 조성물을 사용한 광학 이방체는, 내열성이 높고, 편향판, 위상차판 등의 용도에 유용하다. [PROBLEMS] A problem to be solved by the present invention is to provide a polymerizable liquid crystal composition which has excellent solubility with other polymerizable compounds and liquid crystal compounds when constituting a polymerizable liquid crystal composition and exhibits excellent heat resistance and mechanical strength when the polymerizable liquid crystal composition is cured To provide a polymerizable compound. [Solution] A liquid crystal composition comprising the compound as a constituent member, and an optical anisotropic member or a liquid crystal device using the liquid crystal composition. The polymerizable compound of the present invention has excellent solubility with other liquid crystal compounds, and thus is useful as a constituent member of a polymerizable composition. Further, the polymerizable composition containing the polymerizable compound of the present invention has a wide temperature range in the liquid crystal phase, and thus the optical anisotropic material using the polymerizable composition has high heat resistance and is useful for applications such as a deflection plate and a retardation plate.

Liquid crystal composition for light scattering type liquid crystal element, light scattering type liquid crystal element, and smart window

Chlorobenzene derivative and liquid crystal composition containing the same

본 발명은 하기 4-환 구조를 가지고, 활성 매트릭스 모드의 디스플레이 장치에 바람직하게 이용될 수 있는 클로로벤젠 유도체 및 상기 유도체를 포함하는 액정 조성물에 관한 것이다: The present invention relates to a chlorobenzene derivative having the following 4-ring structure and preferably used in an active matrix mode display device and a liquid crystal composition comprising the derivative: [화학식 I] [Formula I] 상기식에서, 환 A, 환 B 및 환 C는 독립적으로 6원 환상의 하나 이상의 수소 원자가 할로겐 원자에 의해 치환될 수 있는 트란스-1,4-사이클로헥실렌 그룹 또는 1,4-페닐렌 그룹이고, Z 1 , Z 2 및 Z 3 은 각각 독립적으로 -CH 2 CH 2 - 또는 공유 결합이고, 단 이들중의 하나 이상은 -CH 2 CH 2 -이며, L 1 및 L 2 는 H 또는 할로겐 원자이고, R은 탄소수 1 내지 10의 알킬 그룹 또는 알콕시 그룹이며, 단, Z 1 및 Z 3 이 공유 결합이고 Z 2 가 -CH 2 CH 2 -일 때 환 A는 1,4-페닐렌 그룹이고, Z 1 및 Z 2 가 공유 결합이고 Z 3 가 -CH 2 CH 2 -일 때 환 A는 트란스-1,4-사이클로헥실렌이고 동시에 환 B 및 환 C는 모두 1,4-페닐렌 그룹이다. Wherein ring A, ring B and ring C are independently a trans-1,4-cyclohexylene group or 1,4-phenylene group, in which one or more hydrogen atoms of the six-membered ring may be substituted by halogen atoms, Z 1 , Z 2 and Z 3 are each independently —CH 2 CH 2 — or a covalent bond, provided that at least one of them is —CH 2 CH 2 —, L 1 and L 2 are H or a halogen atom, R is an alkyl group or alkoxy group having 1 to 10 carbon atoms, provided that when ring Z 1 and Z 3 are a covalent bond and Z 2 is -CH 2 CH 2- , ring A is a 1,4-phenylene group and Z 1 And when Z 2 is a covalent bond and Z 3 is —CH 2 CH 2 —, ring A is trans-1,4-cyclohexylene and at the same time ring B and ring C are both 1,4-phenylene groups. 본 발명의 액정 화합물은 광학 이방성 및 유전 이방성이 모두 크고, 광범위한 온도 범위에서 액정 상을 나타내며, 저온에서 공지된 액정 화합물과의 혼화성이 우수하므로, 본 발명의 화합물은 특히 TFT 모드에 바람직한 액정 조성물을 제공할 수 있다. Since the liquid crystal compound of the present invention has both high optical anisotropy and dielectric anisotropy, exhibits a liquid crystal phase in a wide temperature range, and has excellent compatibility with known liquid crystal compounds at low temperatures, the compound of the present invention is particularly preferable for the TFT mode. Can be provided.

Liquid crystal display device

本发明提供涉及一种采用使用特定的液晶组合物和特定的染料和/或颜料的滤色器的液晶显示装置。本发明提供一种防止液晶层的电压保持率（VHR）降低、离子密度（ID）的增加、解决白斑、取向不均、烧屏等显示不良的问题的液晶显示装置。本发明的液晶显示装置由于具有防止液晶层的电压保持率（VHR）的降低、离子密度（ID）的增加、抑制烧屏等显示不良的产生这样的特征，从而在有源矩阵驱动用的VA模式、PSVA模式的液晶显示装置中特别有用，能够适用于液晶TV、监视器、手机、智能手机等液晶显示装置。

Patent DE4201308C1

A blue phase liquid crystal composition

本发明涉及一种蓝相液晶组合物以及使液晶材料的蓝相状态稳定的方法。此外，本发明涉及使液晶材料的操作电压降低的方法。此外，本发明涉及通过本发明的方法来稳定的蓝相液晶材料或具有根据本发明的方法被降低的操作电压的蓝相液晶材料。本发明还涉及包含蓝相液晶材料的液晶元件以及包含蓝相液晶材料的液晶显示器。此外本发明涉及使液晶材料在其蓝相状态下的稳定温度范围变宽的方法。

Liquid crystal composition and liquid crystal display element

高い上限温度、低い下限温度、小さな粘度、大きな光学異方性、大きな誘電率異方性、大きな弾性定数などの特性において、少なくとも１つの特性を充足する、または少なくとも２つの特性に関して適切なバランスを有する液晶組成物、およびこの組成物を含むＡＭ素子を提供することである。第一成分として小さな粘度を有する特定の化合物、第二成分として小さな粘度を有する特定の化合物、第三成分として負の誘電率異方性を有する特定の化合物、または第四成分として小さな粘度を有する特定の化合物を含有してもよい液晶組成物である。 Satisfy at least one property in properties such as high upper limit temperature, lower lower limit temperature, small viscosity, large optical anisotropy, large permittivity anisotropy, large elastic constant, or balance at least two properties. It is to provide a liquid crystal composition having, and an AM element containing this composition. A specific compound having a small viscosity as the first component, a specific compound having a small viscosity as the second component, a specific compound having a negative dielectric anisotropy as the third component, or a small viscosity as the fourth component. It is a liquid crystal composition which may contain a specific compound.

Substituted benzene derivative, liquid-crystal composition, and liquid-crystal display element

전압 유지비가 높고 역치 전압이 낮고 온도 의존성이 매우 낮고 Δn 값이 크고 저온에서의 다른 액정 물질과의 혼화성이 우수한 액정 화합물, 이를 포함하는 액정 조성물 및 이를 사용하는 액정 표시소자가 기재되어 있다. 액정 화합물은 화학식 1의 치환된 벤젠 유도체이다. 화학식 1 위의 화학식 1에서, R은 탄소수 1 내지 20의 직쇄 또는 측쇄 알킬 그룹이고, 알킬 그룹 중의 서로 인접하지 않은 메틸렌 그룹(-CH 2 -)은 산소원자에 의해 치환될 수 있고, X는 할로겐 원자, -CF 3 , -CF 2 H, -CFH 2 , -OCF 3 또는 -OCF 2 H이고, Z 1 은 공유결합이고, Z 2 는 -(CH 2 ) 2 -, -(CH 2 ) 4 -, -CH 2 O- 또는 -OCH 2 -이고, Y 1 , Y 2 , Y 3 , Y 4 , Y 5 및 Y 6 은 각각 독립적으로 H 또는 F이되, Y 1 , Y 2 , Y 3 및 Y 4 중의 하나 이상은 F이다.

Liquid-crystalline polyester resin and method for producing it

本发明提供一种液晶聚酯，其通过包括以下步骤的方法得到：制备由结构式(I)、(II)、(III)和(IV)表示的重复单元组成的预聚物：其中p、q、r和s表示液晶聚酯树脂中重复单元的相对摩尔比例(mol％)，并满足以下公式：60≤p≤80，10≤r≤20，10≤q+s≤20，0.05≤s/(q+s)≤0.3；p+q+r+s＝100；和在250－350℃加热基本上是固态的预聚物，条件是液晶聚酯的在负载下的挠曲温度为280－340℃，熔体粘度为10－60Pa.s。

Liquid crystal media and the liquid crystal display for including it

在本发明涉及液晶介质，其包含一种或多种式I的化合物， 其中 表示 或

Liquid-crystal composition

액정 성분 및 키랄제를 포함하며, 25℃에 있어서의 선택 반사 파장이 400㎚ 내지 800㎚인 콜레스테릭 액정 조성물. A liquid crystal component and a chiral agent, and has a selective reflection wavelength at 25 占 폚 of 400 nm to 800 nm.

Liquid-crystalline medium

본 발명은 하나 이상의 중합가능한 화합물을 포함하는 중합가능한 성분 (A) 및 하기 화학식 Ⅰ 및/또는 ⅠA의 하나 이상의 화합물을 포함하는 액정 성분 (B)를 포함하는 것을 특징으로 하는 액정 매질 및 전기 광학적 액정 디스플레이에서 그의 용도에 관한 것이다: 화학식 Ⅰ 화학식 ⅠA 상기 식에서, R 0 , X 0 및 L 1 내지 L 6 은 청구항 1에 정의된 바와 같다. The present invention comprises a polymerizable component (A) comprising at least one polymerizable compound and a liquid crystal component (B) comprising at least one compound of the formulas (I) and / or (IA) below. Regarding its use in displays: Formula I Formula IA Where R 0 , X 0 and L 1 To L 6 are as defined in claim 1.

Liquid crystal composition and liquid crystal display element

네마틱상의 높은 상한 온도, 네마틱상의 낮은 하한 온도, 작은 점도, 큰 광학 이방성, 큰 유전율 이방성, 큰 비저항, 자외선에 대한 높은 안정성, 열에 대한 높은 안정성 등의 특성에 있어서, 적어도 1 개의 특성을 충족하는, 또는 적어도 2 개의 특성에 관하여 적절한 밸런스를 갖는 액정 조성물을 제공한다. 짧은 응답 시간, 큰 전압 유지율, 큰 콘트라스트비, 긴 수명 등을 갖는 AM 소자를 제공한다. 제 1 성분으로서 큰 유전율 이방성을 갖는 특정 디플루오로메틸렌옥시 결합을 갖는 3 고리 화합물, 제 2 성분으로서 큰 유전율 이방성을 갖는 특정 3 고리 화합물, 제 3 성분으로서 높은 상한 온도를 갖는 특정 4 고리 화합물, 제 4 성분으로서 높은 상한 온도 및 작은 점도를 갖는 특정 2 고리 화합물을 함유하며, 그리고 네마틱상을 갖는 액정 조성물, 및 이 조성물을 함유하는 액정 표시 소자이다.

Liquid-crystal composition and liquid crystal display element

本发明所要解决的课题在于提供一种用于制造响应性能优异的PSA型或PSVA型液晶显示元件的含有聚合性化合物的液晶组合物及使用该液晶组合物的液晶显示元件，其中聚合性化合物的聚合速度足够快，且没有因预倾角变化所引起的显示不良、或者因预倾角变化所引起的显示不良极少，具有足够的预倾角。通过含有1种或2种以上由通式(I)表示的聚合性化合物的液晶组合物而达成上述课题。

Nematic liquid crystal composition and liquid crystal display device using the same

Liquid crystal compounds, thermo-responsive material and its manufacturing method

本发明的目的在于提供一种显现液晶性的温度低的液晶性化合物。此外，本发明的目的在于提供一种尽管液晶性化合物的含量多，但在低温(室温附近)下仍具有液晶性与橡胶弹性的热响应性材料及其制造方法。本发明的液晶性化合物通过在具有活性氢基的含介晶基团的化合物上加成环氧烷和/或氧化苯乙烯而成。

Liquid crystal compound having hydrogen as a terminal group, composition comprising the compound, and liquid crystal display element comprising the composition

본 발명은 광학 이방성이 크고 다른 액정성 화합물과의 우수한 상용성을 가지며, 조성물의 성분으로서 우수한 화합물, 조성물에 필요한 일반적 특성 및 큰 광학 이방성을 가지는 조성물 및 이 조성물을 함유하는 액정 표시 소자로서, The present invention provides a compound having excellent optical anisotropy and excellent compatibility with other liquid crystal compounds and having excellent compounds as components of the composition, general properties required for the composition and large optical anisotropy, and a liquid crystal display device containing the composition. 하기 화합물 (1), 이 화합물을 함유하는 조성물 및 이 조성물을 함유하는 액정 표시 소자를 제공한다: The following compound (1), a composition containing the compound and a liquid crystal display device containing the composition are provided: Ra는 탄소수 1∼15의 알킬 등이며, A 1 , A 2 및 A 3 는 독립적으로 1,4-사이클로헥실렌, 1,4-페닐렌 등이며, Z 1 , Z 2 및 Z 3 는 독립적으로 단일결합, -(CH 2 ) 2 - 등이며, n 및 m은 독립적으로 0 또는 1이고, (F) P 를 가지는 페닐은 페닐, 2-플루오로페닐, 2,5-디플루오로페닐, 2,3,5-트리플루오로페닐, 2,3,6-트리플루오로페닐, 또는 2,3,5,6-테트라플루오로페닐이다. Ra is alkyl having 1 to 15 carbons and the like, A 1 , A 2 and A 3 are independently 1,4-cyclohexylene, 1,4-phenylene, and the like, and Z 1 , Z 2 and Z 3 are independently Single bond,-(CH 2 ) 2 -and the like, n and m are independently 0 or 1, and phenyl having (F) P is phenyl, 2-fluorophenyl, 2,5-difluorophenyl, 2 , 3,5-trifluorophenyl, 2,3,6-trifluorophenyl, or 2,3,5,6-tetrafluorophenyl. 광학 이방성, 액정 표시 소자, 액정 조성물, 액정상, 상용성, 유전율 이방성 Optical anisotropy, liquid crystal display element, liquid crystal composition, liquid crystal phase, compatibility, dielectric anisotropy

Liquid crystal display device

本发明提供一种主动矩阵(AM)元件，其含有如下的液晶组成物，且具有响应时间短、电压保持率大、对比度大、寿命长等特性。所述液晶组成物在向列相的上限温度高、向列相的下限温度低、粘度小、光学异向性大、正介电常数异向性大、电阻率大、对紫外线稳定性高、对热稳定性高等特性中满足至少一种特性，或在至少2种特性间具有适当的平衡。一种液晶显示元件，其含有如下的液晶组成物。所述液晶组成物含有作为第一成分的具有大的正介电常数异向性的特定化合物、及作为第二成分的具有小的粘度的特定化合物，且液晶组成物具有正介电常数异向性。

Liquid crystal media

本发明涉及一种液晶介质，其特征在于其包含‑包含一种或多种可聚合化合物的可聚合组分(A)以及‑包含一种或多种通式I和/或IA化合物的液晶组分(B) 其中R 0 、X 0 和L 1‑6 具有权利要求1中指明的含义，以及涉及其在电光学液晶显示器中的用途。

Nematic liquid crystal composition, and liquid crystal display element using same

굴절률 이방성(Δn) 및 네마틱상-등방성 액체상 전이 온도(T ni )를 저하시키지 않고, 점도(η)가 충분히 작으며, 회전 점성(γ1)이 충분히 작고, 탄성 상수(K 33 )가 크며, 절대값이 큰 음의 유전율 이방성(Δε)을 갖는 액정 조성물을 제공하고, 또한 이것을 사용한 VA형 등의 표시 불량이 없는 또는 억제된, 표시 품위가 우수한 응답 속도가 빠른 액정 표시 소자를 제공한다. 구체적으로는, 제1 성분으로서, 일반식(i)으로 표시되는 화합물을 1종 또는 2종 이상 함유하고, 제2 성분으로서, 일반식(L)으로 표시되는 화합물에서 선택되는 1종 또는 2종 이상의 화합물을 함유하는, 음의 유전율 이방성을 갖는 액정 조성물을 제공하며, 또한, 이것을 사용한 액정 표시 소자를 제공한다.

Polymerizable liquid crystal compounds, liquid crystal composition comprising the compounds, and optically anisotropic body comprising the composition

본 발명은 중합성 액정 화합물, 이를 포함하는 액정 조성물 및 광학 이방체에 관한 것이다. 본 발명에 따르면, 상기 중합성 액정 화합물을 사용하여 안정적인 역 파장 분산을 나타내면서도 얇은 두께를 갖는 광학 이방체를 보다 단순화된 방법으로 제조할 수 있으며, 이를 박층의 광대역 λ/4 파장판 등 액정 표시장치용 광학 필름으로 적용 가능하다. The present invention relates to a polymerizable liquid crystal compound, a liquid crystal composition comprising the same, and an optical anisotropic medium. According to the present invention, an optically anisotropic substance having a thin thickness while exhibiting a stable inverse wavelength dispersion using the polymerizable liquid crystal compound can be produced by a more simplified method, and it can be produced by a liquid crystal display device such as a broad band? / 4 wave plate And can be applied as an optical film for use.

Liquid-crystal composition and liquid crystal display element

本发明提供一种液晶组合物及包含所述组合物的AM元件，所述液晶组合物在上限温度高、下限温度低、粘度小、光学各向异性适当、负介电各向异性大等特性中，充分满足至少一种特性或关于至少两种特性具有适当的平衡。本发明的液晶组合物可含有作为第一成分的具有小的粘度或低的下限温度的特定化合物、作为第二成分的具有负的介电各向异性、小的粘度及低的阈电压的特定化合物、作为第三成分的具有高的上限温度或小的粘度的特定化合物、作为第四成分的具有负的介电各向异性或低的下限温度的特定化合物、或作为添加物成分的具有聚合性基的特定化合物。

Compounds, liquid crystal compositions and liquid crystal display devices

Liquid-crystalline media

本发明涉及包含至少一种式I化合物的液晶介质, 其中R 1 ，R 1* ，Z 1 ，L 1 和L 2 具有权利要求1中所示含义，并且本发明还涉及所述介质用于特别是基于VA，PSA‑，PS‑VA，PALC，FFS，PS‑FFS，PS‑IPS或IPS效应的有源矩阵显示器的用途。

Nematic liquid crystal composition

양의 유전율 이방성을 갖는 액정 조성물로서, 상기 액정 조성물이 일반식(LC0-1) 내지 (LC0-3)으로 표시되는 화합물에서 선택되는 2종 이상의 화합물을 함유하고, 일반식(LC1) 내지 일반식(LC5)으로 표시되는 화합물 군에서 선택되는 1종 또는 2종 이상의 화합물을 함유하는 액정 조성물을 제공한다. Δε가 크고, 점도도 낮다는 특징이 있어, 저전압 구동으로 고속 응답화가 가능한 실용적이며 신뢰성이 높은 액정 표시 소자가 제공되어, 액티브 매트릭스 구동용 액정 표시 소자에 유용하다. IPS형 등의 액정 표시 소자에 적용할 수 있다. Wherein the liquid crystal composition contains two or more kinds of compounds selected from compounds represented by the general formulas (LC0-1) to (LC0-3) And at least one compound selected from the group of compounds represented by formula (LC5). Is large and has a low viscosity. Thus, a practical and highly reliable liquid crystal display element capable of high-speed response by low-voltage driving is provided and is useful for a liquid crystal display element for active matrix driving. IPS type liquid crystal display devices.

Light modulation element

A light-modulation element is disclosed which comprises a cholesteric liquid crystalline medium sandwiched between two opposing substrates, and an electrode arrangement for applying an electric field substantially perpendicular to the substrates. The cholesteric (chiral-nematic) liquid crystal exhibits the flexoelectric effect and is aligned in the uniformly lying helix (ULH) structure. One of the substrates is provided with a planar (i.e. homogeneous) alignment layer adjacent to the cholesteric liquid crystalline medium and the other substrate is provided with a homeotropic alignment layer. This arrangement provides for an intrinsically stable alignment which allows a high quality dark state to be achieved. The liquid crystal medium comprises at least one bimesogenic compound and at least one chiral compound. The light-modulation element can be used in various types of optical devices: displays, non-linear optical devices, and optical information storage devices.

Liquid crystal compositions

This invention relates to liquid crystal compositions, and polymer networks and articles comprising the compositions. The compositions comprise at least one compound of the group of compounds represented by the structures of each of the following Formulas (IV), (V) and (VI), as defined herein. A process for making the composition is also provided.

Polymerizable compound and its application

本发明提供了一种具有通式Ⅰ结构的可聚合化合物，所述可聚合化合物不表现或者较少表现出现有技术中存在的问题，包含所述可聚合化合物的可聚合液晶组合物具有良好的稳定性和较高的可靠性，具体表现为具有较小的预倾角变化，具有较高的电压保持率，同时包含所述可聚合液晶组合物的液晶显示器件表现为极少或者几乎不出现图像残留效应，本发明还提供一种合成具有通式Ⅰ结构的可聚合化合物的方法，本发明还提供包含所述可聚合化合物的可聚合液晶组合物及含有所述可聚合液晶组合物的液晶显示器件。

Liquid crystal composition and liquid crystal display element

The present invention addresses the problem of providing: a liquid crystal composition which contains a polymerizable compound for producing a PSA type or PSVA type liquid crystal display element that has a sufficient pretilt angle and excellent response performance, said polymerizable compound having a sufficiently high polymerization rate and enabling an element that uses said polymerizable compound to be free from or extremely suppressed in display defects due to change of the pretilt angle; and a liquid crystal display element which uses this liquid crystal composition. The present invention provides: a liquid crystal composition which contains one or more polymerizable compounds represented by general formula (I); and a liquid crystal display element which uses this liquid crystal composition.

Polymerizable compounds and their use in liquid crystal media and liquid crystal displays

Die vorliegende Erfindung betrifft polymerisierbare Verbindungen, Verfahren und Zwischenprodukte zu ihrer Herstellung, ihre Verwendung für optische, elektrooptische und elektronische Zwecke, insbesondere in Flüssigkristall(FK)-Medien und FK-Anzeigen mit polymerstabilisierter blauer Phase, sowie in FK-Medien für FK-Anzeigen des PS- oder PSA-Typs (”polymer sustained” bzw. ”polymer sustained alignment”), sowie diese Verbindungen enthaltende FK-Medien und FK-Anzeigen. The present invention relates to polymerizable compounds, processes and intermediates for their preparation, their use for optical, electro-optical and electronic purposes, in particular in liquid crystal (LC) media and LC displays with polymer-stabilized blue phase, and in LC media for LC displays of the PS or PSA type (“polymer sustained” or “polymer sustained alignment”), as well as these media containing LC media and LC displays.

Liquid-crystalline medium for use in a switching element

The present invention relates to liquid-crystalline media comprising one or more mesogenic compounds of formula I as set forth hereinafter, wherein the one or more compounds of formula I are contained in the medium in an amount, based on the overall contents of the medium, of at least 15% by weight. The present invention further relates to a switching layer, a switching element and a window element containing the liquid-crystalline medium.

Liquid-crystal medium