Class / Patent application number | Description | Number of patent applications / Date published |
252583000 | Modification caused by energy other than light | 43 |
20090078917 | ELECTROCHROMIC ELECTROLYTE BLENDS - The present invention is directed to electrochromic electrolyte polymer blends. These blends comprise an amorphous polymer and an electrochromophore component. The electrochromophore component comprises a polyalkylene polymer copolymerized with an electrochromic moiety. The blends can be used to make elastomeric films and coatings that can be used in laminates, which can be used to form manufactured articles such as architectural and vehicular glazing, eyewear, displays and signage. | 03-26-2009 |
20090200526 | Electrochromic layer and devices comprising same - The present invention provides improved electrochromic layers, which comprise polymeric matrices with electrochromic solutions interspersed therein. Varying an electrical potential difference across a layer of the invention results in reversible variation in the transmittance of light across the layer because of electrochemical processes in the electrochromic solution of the layer. The invention further provides electrochromic devices, in which the electrochromic layers of the invention provide reversibly variable transmittance to light, and various apparatus in which the devices of the invention provide light-filtering or light-color modulation. Such apparatus include windows, including those for use inside and on the outside walls of buildings and in sunroofs for automobiles, and variable reflectance mirrors, especially rearview mirrors for automobiles. | 08-13-2009 |
20100108958 | CALCIUM FLUORIDE OPTICS WITH IMPROVED LASER DURABILITY - The invention is directed to calcium fluoride crystal optics with improved laser durability that can be used for the transmission of below 250 nanometer (nm) electromagnetic radiation. The optics consist of CaF | 05-06-2010 |
20100117036 | POLYCRYSTALLINE TRANSPARENT CERAMIC ARTICLES AND METHOD OF MAKING SAME - A polycrystalline transparent ceramic article including lutetium is presented. The article includes an oxide with a formula of ABO | 05-13-2010 |
20100200818 | Electrochromic pani films and process thereof - A method of manufacturing an electrochromic polyaniline thin film changeable in color in dependency upon the supply of electricity is provided. The method comprises the steps of polymerizing aniline monomer into polyaniline polymer, separating the polyaniline polymer, liquefying the separated polyaniline polymer into a dispersing solution using a mixed surfactant, and dissolving an UV curing adhesive in the dispersing solution, whereby the polyaniline thin film has the ductility and improved adhesion force for an electric substrate, so that it is applicable to development of a flexible display and as a next generation hi-tech material. | 08-12-2010 |
20100224838 | Electrochromic Mirrors and other Electrooptic Devices - This invention focuses on electrooptic devices and in particular on electrochromic devices with many aspects directed towards automotive EC mirrors. There are several ways to improve these products and their processing using this invention and some of the prominent ones are outlined below. This invention improves on the devices by disclosing new compositions for electrodes and methods of depositing them. It also addresses novel ways to provide busbars to power these devices in order to improve their performance. The device processing attributes and performance are also improved by adhesive compositions and solid electrolytes disclosed herein. In addition sensors are also disclosed which are novel for use in electrochromic mirrors. The invention also discloses how the electrolytes comprising ionic liquids have no adverse effect on attributes of commercial EC mirrors and often result in improved performance and/or feature enhancements. | 09-09-2010 |
20100288983 | PROCESS FOR POLING A FERROELECTRIC MATERIAL DOPED WITH A METAL - A process for poling a ferroelectric material doped with a metal, which process comprises: (i) defining an electrode pattern on a −z face of a crystal of the ferroelectric material doped with the metal; (ii) providing an electrode material; (iii) poling at a temperature of not more than 45° C.; and (iv) poling by a two-stage voltage-controlled application of electric field based on a first poling stage of domain nucleation and a second poling stage of domain spreading. | 11-18-2010 |
20110006272 | Electrochromic films prepared by supramolecular self-assembly - Highly active and durable electrochromic films are prepared with good thickness control in the nanometer range by alternate application of a metal salt solution and a solution of a π-conjugated polymer having metal complexing side chains, for example, polymers having side chains comprising terpyridine (tpy) groups. Thus a robust, crosslinked organo-metallic network of a known, desired thickness with excellent electroactive properties is readily prepared. | 01-13-2011 |
20110095242 | THERMOCHROMIC MICROPARTICLES, DISPERSIONS THEREOF, AND MANUFACTURING METHOD THEREOF, AS WELL AS LIGHT-MODULATING COATINGS, LIGHT-MODULATING FILMS AND LIGHT-MODULATING INKS - Thermochromic microparticles including vanadium dioxide (VO | 04-28-2011 |
20110180767 | Reversibly thermochromic compositions - A reversible thermochromic system comprising a) a compound of the formula (IA) or a tautomer thereof or a compound of the formula (IB) or a tautomer thereof (IA) (IB) wherein R | 07-28-2011 |
20110248224 | THERMOCHROMIC INDICATOR MATERIALS WITH CONTROLLED REVERSIBILITY - A thermal indicator material which comprises a plurality of polythiophenes having a second low temperature color and a high temperature color. The polythiophenes are structured and arranged to exhibit a color change from the second low temperature color to the high temperature color when the thermal indicator material is exposed to a temperature that meets or exceeds a predetermined temperature and to exhibit a color change from the high temperature color to a first low temperature color when the thermal indicator material is exposed to a decline in temperature from a temperature that meets or exceeds the predetermined temperature to a temperature of within the range of between about 5 to 20° C. below the pre-determined temperature that occurs in a time period of greater than 2.0 seconds. | 10-13-2011 |
20110260123 | THERMOCHROMIC MATERIAL AND FABRICATION METHOD - In a method for manufacturing of thermochromic material, a target increased luminous transmittance level for the thermochromic material is determined ( | 10-27-2011 |
20110284809 | PARTICLES, METHOD OF PRODUCING PARTICLES, AND COATING MATERIAL, FILM, AND INK INCLUDING PARTICLES - Particles having a thermochromic property include rod-shaped single crystals including vanadium dioxide (VO | 11-24-2011 |
20120001134 | LIGAND EXCHANGE THERMOCHROMIC, (LETC), SYSTEMS - Ligand exchange of thermochromic, LETC, systems exhibiting a reversible change in absorbance of electromagnetic radiation as the temperature of the system is reversibly changed are described. The described LETC systems include one or more than one transition metal ion, which experiences thermally induced changes in the nature of the complexation or coordination around the transition metal ion(s) and, thereby, the system changes its ability to absorb electromagnetic radiation as the temperature changes. | 01-05-2012 |
20120138875 | ANTI-YELLOWING FOR THERMOCHROMIC SYSTEMS - Ligand exchange thermochromic systems comprising a. a transition metal ion, iodide; and at least one material capable of minimizing or eliminating yellow color formation in the system, wherein at 25° C. the color coordinate b* value of the system is less than 30. | 06-07-2012 |
20120292581 | LIGAND EXCHANGE THERMOCHROMIC SYSTEMS AND HIGH E LIGANDS FOR SAME - Ligand exchange of thermochromic, LETC, systems exhibiting a reversible change in absorbance of electromagnetic radiation as the temperature of the system is reversibly changed are described. The described LETC systems include one or more than one transition metal ion, which experiences thermally induced changes in the nature of the complexation or coordination around the transition metal ion(s) and, thereby, the system changes its ability to absorb electromagnetic radiation as the temperature changes. | 11-22-2012 |
20120326104 | METHOD OF FORMING MICROSPHERE HAVING STRUCTURAL COLOR - Provided is a method of forming a microsphere having a structural color, which includes providing a composition for generating a structural color including a curable material and magnetic nanoparticles dispersed in the curable material, forming an emulsion by adding the composition for generating a structural color to an immiscible solvent, arranging the magnetic nanoparticles located in the emulsion droplet of the curable material in a one-dimensional chain structure by applying a magnetic field to the emulsion, and fixing the chain structure by curing the emulsion droplet. | 12-27-2012 |
20130015417 | BROAD WAVELENGTH RANGE CHEMICALLY-TUNABLE PHOTONIC MATERIALS - The present invention provides polymeric materials arranged as photonic crystals, or portions of photonic crystals, having properties which can be easily tuned over a large range of wavelengths upon exposure to an external stimulus. In some embodiments, the photonic crystals comprise at least one portion which can undergo a change in a physical, chemical, dielectric, or other property upon exposure to an altering stimulus, resulting in a change in a diffracted wavelength of electromagnetic radiation (e.g, light) by the photonic crystal. Embodiments of the invention may advantageously exhibit large stop band tunability and rapid response times. Photonic crystals of the invention may be useful in a wide variety of applications, such as colorimetric sensors, active components of simple display devices, electrically controlled tunable optically pumped laser, photonic switches, multiband filters, and the like. | 01-17-2013 |
20130075675 | Thermochromic Compositions From Trisubstituted Pyridine Leuco Dyes - A thermochromic leuco dye composition contains a leuco dye moiety including one or more tri-aryl substituted pyridines, a UVA developer moiety including at least one UVA developer selected from the group consisting of salicylic acid and derivatives thereof, and biphenyls and derivatives thereof, and a carrier selected from the group consisting of a fatty ester, fatty alcohol, fatty amide, and combinations thereof. | 03-28-2013 |
20130092888 | Thermochromic Resin Composite, Method For Adjusting Clouding Point Of Thermochromic Resin Composite, And Dimmer - Disclosed are a thermochromic resin composite and a dimmer allowing easy adjustment of a clouding point. The thermochromic resin composite is predominantly composed of an aqueous medium, an amphiphilic linear polymer changeable between a transparent state and an opaque state in the aqueous medium depending on temperature, and an amphiphilic endless polymer changeable between a transparent state and an opaque state in the aqueous medium depending on temperature, and the amphiphilic linear polymer and the amphiphilic endless polymer in the aqueous medium have one clouding point, the clouding point changing in accordance with a mixing ratio of the amphiphilic linear polymer to the amphiphilic endless polymer. | 04-18-2013 |
20130193386 | THERMOCHROMIC SYSTEMS WITH CONTROLLED HYSTERESIS - The present disclosure is a method for controlling the hysteresis window and improving the color switching properties of reversible thermochromic dye systems. The method adds preferred co-solvents to existing reversible thermochromic dye systems in order to decrease the temperature range between the full color point and the clearing point. The co-solvents also add resistance to ultraviolet radiation. | 08-01-2013 |
20140001424 | MAGNETO-OPTICAL CERAMIC MATERIAL AND METHOD FOR SELECTING SAME | 01-02-2014 |
20140183423 | FINE PARTICLES HAVING A MULTIPLE STRUCTURE, POLYMER FILM FOR SMART GLASS AND METHOD OF MANUFACTURING THE SAME - Disclosed are fine particles having a multiple structure, a polymer film for smart glass, and a method of manufacturing the same. More particularly, disclosed are fine particles having a multiple structure, which include a reaction portion containing iron oxide nanoparticles, carbon black and/or carbon nanotubes, and at least one non-reaction portion containing silica and/or titania nanoparticles, and which rotate by means of an electric field or a magnetic field, a polymer film for smart glass including the fine particles to control light transmissivity, and a method of manufacturing the same. | 07-03-2014 |
20140183424 | METHOD FOR PREPARING ROD-LIKE SILICA FINE PARTICLES INCLUDING CARBON - Disclosed is a method for preparing rod-like silica fine particles including carbon, the method including: a first step of preparing a mixed solvent by mixing a surfactant with alcohol, and then preparing a mixed solution by adding water, ethanol, ammonia water and a salt to the mixed solvent; a second step of forming rod-like silica fine particles by adding a silica precursor to the mixed solution; and a third step of carbonizing the rod-like silica fine particles, and through a sol-gel reaction of the silica precursor and a carbonization process thereof. | 07-03-2014 |
20140231728 | ELECTROPHORETIC FLUID - The present invention is directed to an electrophoretic fluid comprising transparent particles, as an additive. The presence of the transparent particles in the fluid provides improved display performance. | 08-21-2014 |
20140246631 | MERCAPTOFUNCTIONAL HIGH MUBETA EO CHROMOPHORES AND HIGH TG, LOW OPTICAL LOSS, COVALENTLY BONDED, HIGH MUBETA EO CHROMOPHORE CONTAINING POLYMERS AND METHODS OF SYNTHESIZING EO MATERIALS - The present invention relates generally to mercaptofunctional high μβ EO chromophores and EO polymers, and particularly to mercaptofunctional high μβ EO chromophores and EO polymers useful for making electro-optical devices and systems. Mercaptofunctional high μβ EO chromophores are covalently bonded to poly(imido sulfide) polymers producing high Tg, low optical loss, covalently bonded, high μβ EO chromophore containing polymers. Methods of synthesizing these EO materials using mild polymerization conditions are also described. | 09-04-2014 |
20140332736 | SEPARATED LIQUID COLORATION COMPOSITION AND COLORED LIQUID USING SAME - A separated colored liquid composition used in a device involving an optical modulation technique in which a liquid is moved or subjected to a change in shape by an external electric field to change color or brightness, the separated colored liquid composition containing a colored liquid, a non-colored liquid immiscible with the colored liquid, and at least one additive selected from a fluorine-based surfactant and a silicone-based surfactant. Use of such a composition as a composition for forming an image in a device involving an optical modulation technique in which a liquid is moved or subjected to a change in shape by an external electric field to change color or brightness. | 11-13-2014 |
20140346415 | Thermochromic Material and Fabrication Thereof - A thermochromic material comprises VO | 11-27-2014 |
20150014607 | NONLINEAR OPTICAL MATERIALS AND NONLINEAR OPTICAL DEVICE USING THE SAME - There is provided an organic nonlinear optical material including a polymer binder and a compound represented by the following Formula (I): | 01-15-2015 |
20150048284 | SECOND-ORDER NONLINEAR OPTICAL COMPOUND AND NONLINEAR OPTICAL ELEMENT COMPRISING THE SAME - Problem to Be Solved: to provide a chromophore having a far superior nonlinear optical activity to conventional chromophores and to provide a nonlinear optical element comprising said chromophore. | 02-19-2015 |
20150076423 | SMALL SCALE MICROENCAPSULATED PIGMENTS AND USES THEREOF - A method is provided for making thermochromic pigments in microcapsules having unusually small particle sizes. | 03-19-2015 |
20150115208 | ELECTRONIC DISPLAY INK HAVING INERT PIGMENT PARTICLES - The ink of the present invention is an oil dispersion of pigment particles. The pigment particles are designed to have no or insignificant response to applied electric fields. The ink comprises a carrier liquid having a concentration of pigment particles disposed in the carrier liquid. A surfactant is included in the carrier liquid, wherein the surfactant is adsorbed on the pigment particles only when activated. The pigment particles having adsorbed the surfactant do not generate a reactive level of particle charge so that the pigment particles move with and not independently from the carrier liquid under an applied electrical field. The surfactant is activated by the application of at least one of heat and solvent to the carrier liquid so that the surfactant molecules adsorb onto the pigment particles. | 04-30-2015 |
20150129817 | PARTICLES FOR ELECTROPHORETIC DISPLAYS - This invention relates to particles comprising a pigment core particle encapsulated by a polymer, a process for their preparation, electrophoretic fluids comprising such particles, and electrophoretic display devices comprising such fluids. | 05-14-2015 |
20150129818 | PARTICLES FOR ELECTROPHORETIC DISPLAYS - This invention relates to particles comprising a core particle and a polymeric shell, a process for their preparation, electrophoretic fluids comprising such particles, and electrophoretic display devices comprising such fluids. | 05-14-2015 |
20150129819 | PARTICLES FOR ELECTROPHORETIC DISPLAYS - This invention relates to coloured particles comprising core particles and a polymeric shell, a process for their preparation, electrophoretic fluids comprising such particles, and electrophoretic display devices comprising such fluids. | 05-14-2015 |
20150301425 | ELECTROPHORETIC FLUID - The present invention is directed to a display fluid comprising charged composite pigment particles dispersed in a solvent. The composite pigment particle comprises at least a core pigment particle, a shell coated over the core pigment particle and steric stabilizer molecules on the surface of the composite pigment particle, wherein the shell is formed from a monomer and a co-monomer. A display fluid comprising the composite pigment particles provides improved display performance. | 10-22-2015 |
20150353819 | ELECTROCHROMIC COMPOSITION AND ELECTROCHROMIC DEVICE USING SAME - Electrochromic compositions for use in devices with electrically controlled absorption of light such as light filters of variable optical density, light emission modulators, and information image displays. The described electrochromic compositions may be used, for example, for creating light-transmitting coatings of buildings for controlling indoor microclimate by regulating the flow of natural light. Specifically, described is an exemplary organic electrochromic composition that is based on biocompatible and biodegradable components and is characterized by an increased service life, a high rate of light-transmission change. The described electrochromic compositions may be prepared in a wide range of light-absorption spectra and coating colors. | 12-10-2015 |
20150355456 | ELECTROWETTING FLUIDS - This invention relates to electrowetting fluids, the use of these fluids for the preparation of an electrowetting displays devices, and electrowetting display devices comprising such fluids. | 12-10-2015 |
20150376421 | REACTIVE MESOGEN BASED POLYMER PARTICLES - This invention relates to polymer particles comprising monomer units of at least one reactive mesogen, a process for their preparation, the use of these particles for the preparation of optical, electrooptical, electronic, electrochemical, electrophotographic, electrowetting and electrophoretic displays and/or devices and security, cosmetic, decorative, and diagnostic applications, and electrophoretic fluids and displays. | 12-31-2015 |
20160083586 | Small Scale Microencapsulated Pigments And Uses Thereof - A method is provided for making thermochromic pigments in microcapsules having unusually small particle sizes. | 03-24-2016 |
20160108309 | Stabilizing Additives For Thermochromic Pigments - A microencapsulation process is improved by adding a stabilizing agent that contains one or more catalytic organo-metal oxide materials, such as metal soaps. This functions as a crosslinker by causing unsaturated bonds in the microcapsule walls to react, thereby stabilizing the microcapsules against the effects of additives to coatings that, otherwise, degrade the functionality of thermochromic or photochromic materials at the microcapsule core. | 04-21-2016 |
20160152638 | MULTISTIMULI-RESPONSIVE WHITE LUMINESCENT MATERIALS INCLUDING METAL ELEMENTS | 06-02-2016 |
20160202500 | DOPING CAPSULES, COMPOSITE SYSTEMS COMPRISING THESE AND ALSO USE THEREOF | 07-14-2016 |