|
Match
|
Document |
Document Title |
|
|
6682661 |
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 electroptical system. The electroptical...
|
|
|
6682784 |
Liquid crystal compositions and liquid crystal display devices
Liquid crystal compositions having board nematic phase range, low viscosity, low threshold voltage and large pre-tilt angle, while meeting the general properties required for AM-LCD. The...
|
|
|
6676851 |
Laterally substituted curable liquid crystals
In one embodiment, the invention relates to compounds of the formula (I) wherein G1 and G2 independently represent a polymerizable mesogenic residue, and X, Sp, and Q are as defined herein. The...
|
|
|
6669865 |
Liquid crystal display device
A liquid crystal display device containing a liquid crystal cell and at least one reflective polarizer or a polarizer combination having at least one reflective polarizer as a means to generate...
|
|
|
6664341 |
Liquid-crystal polyester resin composition
A liquid crystal polyester resin composition which suppresses the formation of a blister caused by a heat treatment at a high temperature and has excellent moldability. This composition comprises...
|
|
|
6660345 |
Thermochromic liquid crystalline medium
The invention relates to a thermochromic liquid crystalline medium comprising a liquid crystalline host component and an active component, to a thermochromic ink comprising such a thermochromic...
|
|
|
6660344 |
Polymerizable liquid crystalline dioxetanes, their preparation and use
New photopolymerizable liquid crystalline dioxetane compounds are provided having the general formula I: wherein R 1 and R 2 are independently selected from straight or branched C 1 -C 4 ...
|
|
|
6656386 |
Wholly aromatic heat-stable liquid crystalline polyester resin composition with improved melt flowability
A wholly aromatic liquid crystalline polyester resin composition comprising about 97-60 parts by weight of a wholly aromatic polyester resin (A) having melting peak determined by DSC equal to or...
|
|
|
6649229 |
STN liquid crystal display
The invention relates to supertwist liquid-crystal displays (SLCDs) having very short response times and good steepnesses and angular dependences and to the novel nematic liquid-crystal mixtures...
|
|
|
6649228 |
Liquid-crystal medium, and electro-optical liquid-crystal display
The present invention relates to liquid-crystalline media which comprise at least one compound of the formula I and at least one compound of the formula II in which the parameters are as defined...
|
|
|
6616990 |
Chiral 1, 3-dioxane compounds
The present invention relates to chiral 1,3-dioxane compounds and diastereomers thereof of the general formula I where R 1 , R 2 and R 3 are as defined in the description, and the use of these...
|
|
|
6613245 |
Crosslinkable liquid crystalline compounds
Compounds of formula (I) wherein A, C and D represent (1) or (2), B represents (3) or (4) wherein at least one of the substituents is other than hydrogen and also at least one of the phenylene...
|
|
|
6613246 |
Polymerizable liquid crystal compound having amido bond between two cyclic groups
A polymerizable liquid crystal compound is represented by the formula (I): Q 1 —L 1 —Cy 1 —(CH═CH) n —CO—NR 1 —Cy 2 —L 2 —Q 2 (I) in which each of Q 1 and Q 2 independently...
|
|
|
6607791 |
Liquid crystal composition
A liquid crystal composition comprises as a first liquid crystal component a compound represented by the following general formula (I): and as a second liquid crystal component a compound...
|
|
|
6602562 |
Electro-optical liquid-crystal display
The invention generally relates to an electro-optical liquid-crystal display having a re-alignment layer, for re-aligning the liquid crystals, whose field has a component parallel to the...
|
|
|
6599589 |
Liquid crystal composition and liquid crystal light display element using the same
Disclosed is a chiral nematic liquid crystal composition including a nematic liquid crystal composition and a chiral agent. The nematic liquid crystal composition comprises at least one type of...
|
|
|
6555186 |
TN and STN liquid-crystal displays
The invention relates to TN and STN liquid-crystal displays and to the novel nematic liquid-crystal mixtures used therein, characterized in that they comprise one or more compounds of the formula I...
|
|
|
6544604 |
Liquid crystalline compound having difluoropropyleneoxy group as bonding group, liquid crystal composition and liquid crystal display element
The present invention provides a liquid crystalline compound having a difluoropropyleneoxy group as a bonding group, which is represented by Formula (1): wherein R 1 and R 2 each independently...
|
|
|
6541081 |
Ester compounds and their use in liquid-crystalline media
The invention relates to esters of the formula I and to a liquid-crystalline medium based on a mixture of polar compounds having positive dielectric anisotropy, characterized in that it comprises...
|
|
|
6524666 |
Nematic liquid crystal composition for active matrix application and reflective liquid crystal displays
The invention relates to dielectrically positive nematic liquid crystal compositions for active matrix displays with high voltage holding ratio and very low birefringence. The composition of the...
|
|
|
6495218 |
Liquid crystal medium and electro-optic liquid crystal displays
Provided is a liquid crystal medium for an electro-optical liquid crystal display of an IPS mode which does not cause burning and which is suitable for achieving a relatively low threshold voltage...
|
|
|
6485799 |
Aniline derivatives, liquid-crystal composition containing the same, and liquid-crystal display element
A aniline derivative represented by general formula (1) wherein R and R′ represent independently each other alkyl with 1 to 10 carbon, alkoxyalkyl with 1 to 10 carbon, or hydrogen; x...
|
|
|
6482479 |
Active matrix displays having high contrast values
An active matrix display comprises a chiral smectic liquid crystal mixture which has the phase sequence I—N*—SmC*, a spontaneous polarization in the operating temperature range of <40 nC/cm...
|
|
|
6475574 |
Direactive mesogenic compounds and intermediates
The present invention generally relates to a direactive compound which is of the formula IV A R 1 —(CH 2 ) m O—MG—O—(CH 2 ) n —R 2 (IVA) wherein R 1 , R 2 , m, n, and MG are defined...
|
|
|
6468606 |
Phenylbenzoate derivatives and liquid crystal compositions
A liquid crystal composition which comprises at least one phenylbenzoate derivative represented by formula (1) wherein R 1 is a hydrogen atom or an alkyl group of 1-10 carbons and others; X is...
|
|
|
6465059 |
Liquid-crystalline medium
The invention relates to a liquid-crystalline medium one or more compounds of the general formula IA and one or more compounds of the formula IB R, R*, R**, z, L and Y are defined herein.
|
|
|
6440506 |
Supertwisted nematic liquid crystal displays
The invention relates to supertwist liquid-crystal displays (STN-LCDs) having short switching times and good steepnesses and angle dependencies, and to the novel nematic liquid-crystal mixtures...
|
|
|
6440328 |
Preparation of acrylated liquid-crystalline compounds
The invention relates to a one-step process for the preparation of acryloyl group-containing liquid-crystalline monomers of the general formula (1) (Z—Y 1 —A 2 —Y 2 —) m M(—O—A 1...
|
|
|
6419851 |
Melt processible liquid crystalline terpolyesters and process for the preparation thereof
Melt processable liquid crystalline terpolyesters of the formula I below: where R is Cl, C 6 H 5 , CH 3 CO, CH 3 , and process for the preparation thereof are disclosed. The process comprises...
|
|
|
6416825 |
Liquid crystal composition and liquid crystal display provided with the liquid crystal composition
A liquid crystal composition which contains nematic liquid crystal containing a liquid crystal ester compound and a chiral agent mainly containing an ester compound with no cholesterol rings. The...
|
|
|
6413448 |
Cyclohexyl- and cyclohexenyl-substituted liquid crystals with low birefringence
A liquid crystal composition comprising a host material and a low birefringence liquid crystal composition of the formula: R 1 —Ar—R 2 wherein R 1 and R 2 , independently of one another, are...
|
|
|
6409937 |
Melt processible thermotropic liquid crystalline terpolyesters and process for the preparation thereof
The invention relates to a process for the preparation of melt processable liquid crystalline terpolyesters of the general formula I by the in situ acetylation of a monomer selected from...
|
|
|
6403171 |
TN and HTN liquid-crystal display
TN and HTN liquid-crystal displays having very short response times and good steepness values and angle dependencies, are obtained using nematic liquid-crystal mixtures which comprise compounds of...
|
|
|
6398981 |
Photopolymerizable composition sensitive to light in a green to infrared region of the optical spectrum
The present invention is concerned with photopolymer materials sensitive to infrared, near infrared, red and green light radiation for initiating polymerization and to applications of such...
|
|
|
6395351 |
Polymerisable liquid crystalline compounds
Compounds with the general formula (I): R—S 1 —A—Z 1 —B—S 2 —R, where A and B are independent ring systems with the formulae (a 1 ), (a 2 ) or (b), whereby in the...
|
|
|
6383577 |
Reverse mode electro-optical film composed of one mutual dispersion of polymers and liquid crystals
The transparent haze-free reverse mode electrooptical solid film is made by mixing a liquid crystal and up to 60% by weight of an organic monomer to form a liquid crystal-organic monomer mixture...
|
|
|
6376030 |
Nematic liquid-crystal composition, and liquid-crystal display using same
Nematic liquid-crystal compositions of negative dielectric anisotropy comprising compounds of the formula I are useful in plasma-addressed liquid-crystal displays.
|
|
|
6348163 |
Liquid crystalline polyesters compositions containing aromatic phosphonites and a process for the preparation thereof
Disclosed are novel compositions containing an LCP and one or more aromatic phosphonites. Also disclosed is a novel process for preparing LCPs in the presence of one or more aromatic phosphonites....
|
|
|
6344154 |
Reactive liquid crystal compounds
The invention relates to reactive liquid crystal compounds of Formula (I), wherein P=polymerizable group, Sp=spacer, X and Z=linking group, n=1, m=0, or 1, A 1 and A 2 =ring structure and...
|
|
|
6342279 |
Electro-optical liquid-crystal
The invention relates to an electrooptical liquid-crystal display having a realignment layer for realigning the liquid crystals, where the field thereof has a significant component parallel to the...
|
|
|
6337034 |
Vinylene compounds and liquid-crystal composition
Liquid crystalline compounds which have a wide temperature range of liquid crystal phase, low viscosity, and improved threshold voltage; liquid crystal compositions; and liquid crystal display...
|
|
|
6337420 |
Liquid crystal compounds, mixtures and devices
An electroclinic device having two spaced cell walls each bearing electrode structures and treated on at least one facing surface with an alignment layer, a layer of a smectic liquid crystal...
|
|
|
6333082 |
Liquid crystalline (E,E)-butadiene compounds and mixtures and devices containing such compounds
Liquid crystalline compounds useful in super twisted nematic liquid crystal displays are described and have the formula: ##STR1## wherein n is 1-5; m is 0-5; p is 0, 1 or 2; q is 0, 1...
|
|
|
6326066 |
1,4-disubstituted 2,6-difluorobenzene compounds, and a liquid-crystalline medium
1,4-disubstituted 2,6-difluorobenzene compound of formula I ##STR1## wherein R is an alkyl or alkenyl radical, A 1 and A 2 are independently (a) a trans-1,4-cyclohexylene radical in...
|
|
|
6326065 |
Pyrimidine derivative, liquid crystal composition comprising the derivative, and liquid crystal display device fabricated by using the composition
Liquid crystalline compounds having a comparatively high voltage holding ratio, high Δn and high Δε, and excellent miscibility with known liquid crystalline compounds at low temperatures. The...
|
|
|
6319570 |
Liquid crystalline compound, liquid crystal composition comprising the liquid crystal-line compound, and liquid crystal display device using the liquid crystal composition
The invention is to provide liquid crystalline compounds which have a low viscosity, high negative dielectric anisotropy, high resistivity, and high voltage holding ratio, and are stable against...
|
|
|
6294109 |
Ferroelectric and electroclinic liquid crystal materials with sub-ambient temperature stability, broad operation range, and fast dynamic response
A new class of mesogenic compounds has the formula: ##STR1## where R 1 is an ester (--COO--) group; R 2 is H, NO 2 , CN, F, or Cl; R 3 is H, CH 2 CH, or (CH 3 ) 3 Si; k is 1 or 2; q is 0 or...
|
|
|
6294231 |
Optically anisotropic film, method of manufacturing the same, and liquid crystal display apparatus
An optically anisotropic film obtained from a mixture comprising a polymer and a liquid crystal compound, wherein retardation of the optically anisotropic film at 80° C., 60° C. or 0° C....
|
|
|
6292247 |
Active-matrix liquid crystal display
On a TFT substrate, a TFT using a low-temperature poly silicon thin film as an active layer is formed and a plurality of pixel electrodes are formed over the TFT and its electrode wiring, with an...
|
|
|
6258296 |
Fluorine-substituted compounds and ferrielectric liquid-crystal composition containing the same
A fluorine-substituted compound of the following general formula (1) or (2), and a ferrielectric liquid crystal composition comprising the above compound and a specific ferrielectric liquid crystal...
|