| Patent Number |
Title Of Patent |
Date Issued |
| 7463228 |
Fast switching dual-frequency liquid crystal cells and method for driving the same |
December 9, 2008 |
| A method for fast switching a dual frequency (FIG. 3) liquid crystal cell is disclosed. The liquid crystal cell has opposed substrates (12) with a dual frequency liquid crystal material (18) disposed therebetween. Each substrate has an electrode that is connected to a power supply (20) t |
| 7407815 |
Liquid crystal cassette |
August 5, 2008 |
| A functional cassette for the detection of ligands comprises a first inner housing, a second middle housing and a third outer housing and each housing is at least partially rotatable relative to an adjoining housing. The first inner housing contains a central well adapted for receiving a |
| 7372480 |
Non-lithographic photo-induced patterning of polymers from liquid crystal solvents with spatiall |
May 13, 2008 |
| A liquid crystal device comprises a first and second cell wall structure; at least one liquid crystal material disposed within a space between the first and second cell wall structures; and polymer micro-structures, wherein the micro-structures are formed by polymerizing a prepolymer, an |
| 7355668 |
Polymer enhanced liquid crystal devices built with rigid or flexible substrates |
April 8, 2008 |
| A liquid crystal device comprises of a pair of opposed substrates defining a cell gap. Each substrate has an electrode disposed on a surface facing the other substrate. A plurality of spacers are randomly disposed in the cell gap and extend from one substrate to the other substrate, wher |
| 7315345 |
Electro-convective diffractive device |
January 1, 2008 |
| A method for producing a diffraction grating is provided. First, a mixture including nematic liquid crystal, dopant, and polymerizable precursor is introduced between two electrically conductive substrates having alignment layers for inducing orientation of the liquid crystal director. |
| 7294370 |
Aligned lyotropic chromonic liquid crystal films |
November 13, 2007 |
| An aligned film comprises a dried mixture of a lyotropic chromonic liquid crystal material and a dopant selected from the group consisting of dyes having a molecular weight within one order of magnitude of the liquid crystal material and block co-polymers. An example of an aligned film m |
| 7291727 |
Light-harvesting discotic liquid crystalline porphyrins and metal complexes |
November 6, 2007 |
| Novel discotic liquid crystalline porphyrins and discotic liquid crystalline metal complexes, methods for their preparation, and device fabrication are disclosed. Materials with partially perfluorinated alkyl group in the peripheral chains show a strong tendency towards the formation |
| 7289189 |
Birefringent filter-based color generation scheme for a passive matrix display device |
October 30, 2007 |
| The present invention provides a full color liquid crystal display of passive matrix design that includes a polarizer, an analyzer having a transmission axis, and at least one light generation stage positioned between the polarizer and analyzer for transmitting light of a desired wav |
| 7279570 |
Nanoscale discotic liquid crystalline porphyrins |
October 9, 2007 |
| Novel nanoscale discotic liquid crystalline porphyrins, methods for their preparation, and device fabrication are disclosed. These compounds are capable of being used as high-efficiency photovoltaic materials, organic semiconducting materials, and organic light emitting materials. |
| 7267957 |
Detection and amplification of ligands |
September 11, 2007 |
| A system for the detection of ligands comprising at least one receptor and an amplification mechanism coupled to the receptor wherein an amplified signal is produced as a result of receptor binding a ligand. Examples of suitable amplification mechanisms include antibody-embedded liquid |
| 7160736 |
Detection and amplification of ligands |
January 9, 2007 |
| Devices and systems for the detection of ligands comprising at least one receptor and an amplification mechanism comprising a liquid crystalline, where an amplified signal is produced as a result of receptor binding to a ligand are provided. Also provided are methods for the automatic |
| 7122229 |
Motion of liquid crystaline elastomers and method of use thereof |
October 17, 2006 |
| A method for inducing movement of an object in contact with a fluid, includes providing a flexible object, and exposing the object to an energy source. The energy source induces a change in the shape of the object, and movement occurs as a result of the change in shape of the object. |
| 7105845 |
Liquid crystal alignment using electron beam exposure |
September 12, 2006 |
| An apparatus (10, 10'') for producing an alignment surface on an associated substrate (12, 12'') of a liquid crystal display. An electron source (40) produces a collimated electron beam (50). A substrate support (20, 20'') supports the associated substrate (12, 12'') with a surface n |
| 7094809 |
Method of treating subject infected with Neisseria gonorrhea |
August 22, 2006 |
| The present invention provides a method of inhibiting the formation of infectious herpes virus particles, particularly infectious herpes simplex virus (HSV) particles, in a host cell. The method involves administering an effective amount of a hydroxylated tolan, particularly a polyhy |
| 7090901 |
Method of making optical compensation film using polymer stablization technique |
August 15, 2006 |
| The present invention provides a method of preparation of optical compensation films using a polymer stabilization technique so as to enable continuous roll-to-roll production. The films can be applied for reflective liquid crystal displays. They are prepared by photo-polymerizing a |
| 7075613 |
Electro-optical display with in-situ polymerized columns providing alignment and structural bond |
July 11, 2006 |
| A liquid crystal display device comprises two substrates facing and spaced from each other, at least one of the substrates being transparent; an electro-optical material filling a first portion of the space between the substrates, the electro-optical material comprising molecules whose |
| 7038743 |
Electro-optical devices from polymer-stabilized liquid crystal molecules |
May 2, 2006 |
| An electro-optic device includes a liquid crystal cell (10, 10') and at least one electrode (40, 42, 40', 42') arranged to selectively electrically bias the liquid crystal cell (10, 10'). A chiral or cholesteric liquid crystal (30, 30') is disposed in the liquid crystal cell (10, 10' |
| 7034907 |
Stressed liquid crystals as an ultra-fast light modulating material consisting of unidirectional |
April 25, 2006 |
| A new light modulating material using unidirectionally oriented micro-domains of liquid crystal separated by polymer chains is provided. Liquid crystal/polymer films are produced by a one step production process involving a photopolymerizable monomer mixed with a liquid crystal then |
| 7030105 |
Method of synthesis of .beta.-thiolato cobalamin compounds |
April 18, 2006 |
| The invention provides a method for preparing glutathionylcobalamin (GluSCbl) which involves running the reaction in an aqueous solvent with a relatively small excess of glutathione, i.e. GluSH, specifically from one to less than four molar equivalents of GluSH. The formed GluSCbl is |
| 6947559 |
Random number generator based on turbulent convection |
September 20, 2005 |
| A method for generating random numbers includes the steps of providing a liquid crystal cell containing a liquid crystal material, wherein a potential difference is applied across said liquid crystal material to cause a chaotic turbulent flow. The resulting flow or physical result of |
| 6939587 |
Fabrication of aligned crystal cell/film by simultaneous alignment and phase separation |
September 6, 2005 |
| A method for simultaneously fabricating a phase separated organic film and microstructures with liquid crystal having desired alignment is disclosed. The method includes the step of preparing a mixture of liquid crystal material, prepolymer, and polarization-sensitive material. The mixtu |
| 6927823 |
Method for alignment of liquid crystals using irradiated liquid crystal films |
August 9, 2005 |
| A method is provided for forming an alignment layer for a liquid crystal cell that is made from a liquid crystal film that has been irradiated with light. The method includes the steps of disposing a liquid crystal film on a substrate and then irradiating the liquid crystal film with lig |
| 6924870 |
Liquid crystal on silicon diffractive light valve |
August 2, 2005 |
| A liquid crystal diffractive light valve includes: a pair of opposed substrates wherein one of the substrates is a silicon wafer with associated electronics. The other substrate has an electrode layer facing the silicon substrate. And a ultraviolet curable composite material is dispo |
| 6924009 |
Electro-optical devices from banana-shaped liquid crystals |
August 2, 2005 |
| A liquid crystal device comprising tilted smectic phases of banana-shaped liquid crystal molecules is disclosed. A method for fabricating a light modulating device is also disclosed. The method comprises the steps of providing a pair of substrates with a cell gap therebetween and per |
| 6897915 |
Non-lithographic photo-induced patterning of polymers from liquid crystal solvents with spatiall |
May 24, 2005 |
| A liquid crystal device comprises a first and second cell wall structure; at least one liquid crystal material disposed within a space between the first and second cell wall structures; and polymer micro-structures, wherein the micro-structures are formed by polymerizing a prepolymer, an |
| 6864931 |
Electrically controllable liquid crystal microstructures |
March 8, 2005 |
| This invention relates to methods of building rigid or flexible arrays of electro-optic devices. A phase separated composite structure technique yields adjacent regions of polymer and liquid crystal (LC) of specific architecture instead of a random dispersion of LC droplets. The above |
| 6839103 |
Elliptically polarizing plate and liquid crystal display |
January 4, 2005 |
| An elliptically polarizing plate, comprising a polarizer, a first optical anisotropic layer having positive refractive index anisotropy and an optical axis of the anisotropy that is tilted, and a second optical anisotropic layer having negative refractive index anisotropy and an opti |
| 6830789 |
Chiral additives for cholesteric displays |
December 14, 2004 |
| A unique class of chiral additive materials is disclosed for use in cholesteric displays that possess a helical twist power substantially independent of temperature. The additives have a solubility and a helical twist power large enough to be used as a single chiral component with li |
| 6822713 |
Optical compensation film for liquid crystal display |
November 23, 2004 |
| An optical compensation film for a liquid crystal display is provided wherein the film is a polymer that is capable of producing light induced anisotropy. The film is irradiated with light to form an optical axis or axes. |
| 6673398 |
Alignment of lyotropic chromonic liquid crystals at surfaces as monolayers and multilayered stac |
January 6, 2004 |
| A broad class of lyotropic liquid crystals of a non-surfactant nature, the so-called lyotropic chromonic liquid crystals (LCLCs), are alignable with the techniques, in particular, LCLCs can be aligned at a surface as one monomolecular layer as a stack of monomolecular layers. The method |
| 6656384 |
Production of filaments via phase separation and polymerization |
December 2, 2003 |
| A polymerizable liquid crystalline monomer is described comprising a polymerizable first terminal group, a central portion, and a second terminal group, wherein the monomer is capable of filament formation. Filaments can form as a result of an isotropic to smectic phase transition an |
| 6599945 |
Methods for treating subjects infected with a herpes virus |
July 29, 2003 |
| The present invention provides a method of inhibiting the formation of infectious herpes virus particles, particularly infectious herpes simplex virus (HSV) particles, in a host cell. The method involves administering an effective amount of a hydroxylated tolan, particularly a polyhy |
| 6583838 |
Bistable liquid crystal display device using polymer stabilization |
June 24, 2003 |
| A liquid crystal display device including a polyimide alignment layer, having a bistable liquid crystal material and a polymer stabilizer in an amount effective to stabilize the liquid crystal the liquid crystal preferably having a low or medium pretilt angle to eliminate undesired s |
| 6570632 |
Lyotropic chromonic liquid crystals |
May 27, 2003 |
| A broad class of lyotropic liquid crystals of a non-surfactant nature, the so-called lyotropic chromonic liquid crystals (LCLCs), are alignable in bulk. LCLCs can be aligned in bulk as a uniform liquid crystalline monodomain within a closed cell. The method for bulk alignment of LCLCs is |
| 6411354 |
Bulk alignment of lyotropic chromonic liquid crystals |
June 25, 2002 |
| A broad class of lyotropic liquid crystals of a non-surfactant nature, the so-called lyotropic chromonic liquid crystals (LCLCs), are alignable in bulk. LCLCs can be aligned in bulk as a uniform liquid crystalline monodomain within a closed cell. The method for bulk alignment of LCLCs is |
| 6395288 |
Subversion of bacterial resistance by low solubility antibiotics |
May 28, 2002 |
| A site-specific antibiotic delivery system and related method comprising a fibrin sealant and an antibiotic releasably bound to the fibrin sealant, wherein the antibiotic is delivered in situ and wherein the dose of antibiotic delivered to the organism is sufficient to kill substantially |
| 6320563 |
Dual frequency cholesteric display and drive scheme |
November 20, 2001 |
| A dual frequency cholesteric display includes a pair of opposed substrates, wherein one of the substrates has a first plurality of electrodes facing a second plurality of electrodes on the other substrate. A dual frequency bistable cholesteric liquid crystal material is disposed between |
| 6278429 |
Bistable reflective cholesteric liquid crystal displays utilizing super twisted nematic driver c |
August 21, 2001 |
| A driving circuit for a reflective bistable cholesteric liquid crystal display which includes one substrate having a plurality of column or segment electrodes opposed by another substrate having a plurality of row or common electrodes. The intersecting column and row electrodes with the |
| 6268839 |
Drive schemes for gray scale bistable cholesteric reflective displays |
July 31, 2001 |
| A series of drive schemes are used to apply a single phase of at least one voltage pulse to drive a display with a bistable cholesteric liquid crystal material to a gray scale reflectance. Each drive scheme takes into consideration the initial texture of the cholesteric material and the |
| 6204835 |
Cumulative two phase drive scheme for bistable cholesteric reflective displays |
March 20, 2001 |
| Bistable cholesteric liquid crystal material is disposed between opposed substrates, wherein one of the substrates has a first plurality of electrodes facing a second plurality of electrodes on the other substrate, wherein the intersection of the first and the second plurality of ele |
| 6188462 |
Diffraction grating with electrically controlled periodicity |
February 13, 2001 |
| The present invention is directed to liquid crystal diffraction gratings with electrically controlled periodicity. An electrical field is applied to liquid crystal device wherein the liquid crystals align to form a diffraction grating. The period of the diffraction grating is varied by |
| 6171802 |
Detection and amplification of ligands |
January 9, 2001 |
| A system for the detection of ligands comprising at least one receptor and an amplification mechanism coupled to the receptor wherein an amplified signal is produced as a result of receptor binding a ligand. Examples of suitable amplification mechanisms include antibody-embedded liquid |
| 6154190 |
Dynamic drive methods and apparatus for a bistable liquid crystal display |
November 28, 2000 |
| A flat-panel liquid crystal display. The display includes a flat sheet of bistable chiral nematic liquid crystal material activated by a drive circuit that individually controls the display state of multiple picture elements. The driver circuitry activates the liquid crystal domains with |
| 6141074 |
Four domain pixel for liquid crystalline light modulating device |
October 31, 2000 |
| A liquid crystalline light modulating pixel includes first and second cell wall structures and nematic liquid crystal disposed therebetween. The first and second cell wall structures cooperate with the liquid crystal to form four liquid crystal domains within the pixel. The liquid crysta |
| 6133975 |
Bistable liquid crystal display device using polymer stabilization |
October 17, 2000 |
| A liquid crystal display device including a polyimide alignment layer, having a bistable liquid crystal material and a polymer stabilizer in an amount effective to stabilize the liquid crystal, preferably about 2 weight percent, associated with the liquid crystal material, the liquid |
| 6104448 |
Pressure sensitive liquid crystalline light modulating device and material |
August 15, 2000 |
| A new liquid crystalline light modulating cell and material are characterized by liquid crystalline light modulating material of liquid crystal and polymer, the liquid crystal being a chiral nematic liquid crystal having positive dielectric anisotropy and including chiral material in |
| 6061107 |
Bistable polymer dispersed cholesteric liquid crystal displays |
May 9, 2000 |
| Polymer/cholesteric liquid crystal dispersions are provided in which the liquid crystal phase separated from the polymer matrix to form droplets. The cholesteric liquid crystals were positive dielectric anisotropic. At a zero field condition, the liquid crystal in the droplets was bistable, |
| 5973762 |
Ferroelectric liquid crystal cell with a monochevron structure of smectic layers |
October 26, 1999 |
| A ferroelectric liquid crystal cell with a monochevron structure includes a pair of opposed substrates each having an alignment layer. The alignment layer includes a conventional polymer and a ferroelectric copolymer. A ferroelectric liquid crystal material is disposed between the pair o |
| 5949508 |
Phase separated composite organic film and methods for the manufacture thereof |
September 7, 1999 |
| A light modulating cell comprises a pair of substrates, alignment layers disposed on at least one of the substrates and a solution of polymerizable prepolymer and low molecular weight organic material disposed between the pair of substrates. The solution is phase separated and forms a la |
| 5936691 |
Method of preparing alignment layer for use in liquid crystal devices using in-situ ultraviolet |
August 10, 1999 |
| A non-contacting method of forming an alignment layer on a substrate used in liquid crystal displays which includes the steps of cleaning a substrate surface, disposing a solution having a prepolymer, such as polyamic acid or a resin and a curing agent, and solvent on the substrate s |
