Patents and Patent Applications from Kent State University


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US20090290078 BISTABLE SWITCHABLE LIQUID CRYSTAL WINDOW  
A bistable switchable liquid crystal device is provided in which the device can be switched between a transparent and an opaque state by a predetermined voltage pulse. The device is based on...
7604850 Biaxial liquid crystal electro-optic devices  
An electro-optical device including a biaxial liquid crystal having a primary and secondary director is provided. A change in orientation of at least one of the directors due to an applied electric...
US20090255327 Broad-range nanoliter rheometer  
A nanoliter rheometer is capable of operating over a wide range of temperatures and permits visual observation of extremely small amounts of various often complex and/or expensive small nanoliter...
7595850 Stressed liquid crystals materials for light modulation  
A new light modulating material using interconnected unidirectionally oriented microdomains of a liquid crystal, dispersed in a stressed polymer structure, is provided. The light modulating...
US20090226639 Homeotropic and hybrid bulk alignment of lyotropic chromonic liquid crystals  
The invention provides a liquid crystal cell and method thereof. The cell comprises two opposed substrates and a surfactant-free lyotropic chromonic liquid crystals (LCLC) material disposed...
US20090170195 CURCUMIN-HYALURONAN COMPOUNDS  
A dissociable complex is disclosed. The dissociable complex includes at least one molecule of curcumin, at least one molecule of hyaluronic acid, and at least one linker molecule, wherein a first...
US20090152772 METHOD OF FABRICATING ELECTRO-OPTICAL DEVICES WITH POLYMER-STABILIZED LIQUID CRYSTAL MOLECULES  
In a preparation method, a chiral or cholesteric liquid crystal, a photoreactive monomer, and a photoinitiator are disposed in a liquid crystal cell. A principal surface of the liquid crystal cell...
7499125 Method of fabricating electro-optical devices with polymer-stabilized liquid crystal molecules  
In a preparation method, a chiral or cholesteric liquid crystal, a photoreactive monomer, and a photoinitiator are disposed in a liquid crystal cell. A principal surface of the liquid crystal cell...
US20090040453 Method of plasma beam bombardment of aligning films for liquid crystals  
Methods for treating aligning substrates produces uniform alignment of liquid crystals in at least two modes. The method is based on the treatment of liquid crystal aligning substrates with a...
US20090027676 MEASUREMENT OF THE ABSORPTION COEFFICIENT OF LIGHT ABSORBING LIQUIDS AND THEIR USE FOR QUANTITATIVE IMAGING OF SURFACE TOPOGRAPHY  
An optical measurement system for obtaining information such as the absorption coefficient of a light-absorbing liquid, or a surface profile of an object immersed in a light-absorbing liquid having...
US20080303376 DEVICES AND METHODS FOR ENERGY CONVERSION BASEDON THE GIANT FLEXOELECTRIC EFFECT IN NON-CALAMITIC LIQUID CRYSTALS  
Devices and methods for energy conversion based on the giant flexoelectric effect in non-calamitic liquid crystals. By preparing a substance comprising at least one type of non-calamitic liquid...
7463228 Fast switching dual-frequency liquid crystal cells and method for driving the same  
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 )...
7407815 Liquid crystal cassette  
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...
US20080138244 DETECTION AND AMPLIFICATION OF LIGANDS  
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...
7372480 Non-lithographic photo-induced patterning of polymers from liquid crystal solvents with spatially modulated director fields  
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...
US20080099346 LIQUID CRYSTAL SENSOR SYSTEM  
A method of detecting a ligand comprises providing a receptor for a predetermined ligand. The receptor comprises a conductive material. The receptor is contacted with a sample in the presence of a...
7355668 Polymer enhanced liquid crystal devices built with rigid or flexible substrates  
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...
US20080055305 SYSTEM AND METHODS FOR MULTI-DIMENSIONAL RENDERING AND DISPLAY OF FULL VOLUMETRIC DATA SETS  
A stand-alone platform and a method for the multi-dimensional rendering, display, manipulation, and analysis of full high resolution volumetric data sets. The systems and methods provide the...
US20080030635 Cholesteric liquid crystal light modulators  
This invention relates to a method of fabrication of liquid crystal light modulating devises having electrically tunable spectral wavelength and more particularly, to a cholesteric liquid crystal...
US20080002121 Fast Switching Electro-Optical Devices Using Banana-Shaped Liquid Crystals  
The invention is directed to liquid crystal display and electro-optical devices having faster switching times, a wider viewing angle, continuous gray level, improved transmittance of the clear...
7315345 Electro-convective diffractive device  
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...
7294370 Aligned lyotropic chromonic liquid crystal films  
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...
7291727 Light-harvesting discotic liquid crystalline porphyrins and metal complexes  
Novel discotic liquid crystalline porphyrins and discotic liquid crystalline metal complexes, methods for their preparation, and device fabrication are disclosed. Materials with partially...
7289189 Birefringent filter-based color generation scheme for a passive matrix display device  
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...
US20070243593 DETECTION AND AMPLIFICATION OF LIGANDS  
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...
US20070237906 CHIRAL NEMATIC PHOTO DISPLAYS  
A photodisplay device in which an optically addressed image can be viewed indefinitely, erased and readdressed with a new image is disclosed. Optically responsive reversible photochiral materials...
7279570 Nanoscale discotic liquid crystalline porphyrins  
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...
US20070218508 DETECTION AND AMPLIFICATION OF LIGANDS  
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...
7267957 Detection and amplification of ligands  
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...
US20070152189 Light-harvesting discotic liquid crystalline porphyrins and metal complexes  
Novel discotic liquid crystalline porphyrins and discotic liquid crystalline metal complexes, methods for their preparation, and device fabrication are disclosed. Materials with partially...
US20070151600 NANOSCALE DISCOTIC LIQUID CRYSTALLINE PORPHYRINS  
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...
US20070139586 Electronically-controllable polarization independent liquid crystal optical medium and devices using same  
A liquid crystalline optical medium includes polymer stabilized liquid crystal material. The polymer stabilized liquid crystal material includes a short pitch cholesteric liquid crystal material...
US20070105005 Nanostructured core-shell electrocatalysts for fuel cells  
Catalytic layers for use in the electrodes of fuel cells including a non-noble metal substrate layer coated with one or a few monolayers of noble metal, such as Pt. These thin, highly porous...
US20070099307 LIGAND CONCENTRATING, LIQUID CRYSTAL BIOSENSOR SYSTEM  
A method for detecting a ligand is provided. Antibodies to a predetermined ligand are attached to substrates. The substrates are superparamagnetic, dyed beads. The beads are exposed to an...
US20070099306 LIQUID CRYSTAL SENSOR SYSTEM  
A method of detecting a ligand comprises providing a receptor for a predetermined ligand. The receptor comprises a conductive material. The receptor is contacted with a sample in the presence of a...
US20070092868 LIQUID CRYSTAL CASSETTE  
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...
US20070059780 DETECTION AND AMPLIFICATION OF LIGANDS  
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...
US20060250557 Materials for promoting alignment of liquid crystals on SiOx and other substrates  
The present invention relates to a liquid crystal alignment agent, a liquid crystal device produced by using the liquid crystal alignment agent thereof, and a method for alignment of liquid crystal...
US20060209232 Method of fabricating electro-optical devices with polymer-stabilized liquid crystal molecules  
In a preparation method, a chiral or cholesteric liquid crystal, a photoreactive monomer, and a photoinitiator are disposed in a liquid crystal cell. A principal surface of the liquid crystal cell...
US20060133981 Imprinted mesoporous carbons and a method of manufacture thereof  
A porous carbon composition comprises carbon particles having substantially uniform mesopores, wherein the mesopores have a diameter greater than 5 nanometers. A carbon composition may also...
US20060040069 Aligned lyotropic chromonic liquid crystal films  
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...
US20060023146 Polymer stabilized electrically controlled birefringence transflective LCD  
A transreflective display in which the thickness of the liquid crystal layer is the same for both transmissive and reflective modes. The transmissive and reflective pixels are stabilized in two...
US20060000986 Liquid crystal alignment using electron beam exposure  
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 (...
US20050162585 Electro-optical devices from polymer-stabilized liquid crystal molecules  
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,...
US20040263772 Electro-convective diffractive device  
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...
US20040176503 Radiation thickened sheet molding compounds  
The present invention provides a compound and process for manufacturing thickened sheet-molding compounds wherein a thermoset molding resin is partially crosslinked by irradiation with high-energy...
US20040175841 Detection and amplification of ligands  
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...
US20040155997 Stressed liquid crystals as an ultra-fast light modulating material consisting of unidirectionally oriented liquid crystal micro-domains separated by polymer chains  
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...
US20020168511 Alignment of lyotropic chromonic liquid crystals at surfaces as monolayers and multilayered stacks  
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...
US20020167632 Lyotropic chromonic liquid crystals  
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...
Matches 1 - 50 out of 52 1 2 >