Abstract: A colored curable composition including: at least one selected from the group consisting of a compound represented by the following Formula (1a) and a tautomer thereof; and at least one polymerizable compound, wherein R11, R12, R13, R14, R15, and R16 each independently represent a hydrogen atom or a monovalent substituent; and R11 and R12, and R15 and R16 independently may bond to each other in each pair to form a ring.

Abstract: Photochromic matrix compositions and tie layer compositions useful for the preparation of photochromic polycarbonate lenses are disclosed. The tie layer compositions facilitate adhesion of the photochromic matrix composition to the polycarbonate lens. The photochromic matrix compositions can contain a flexible hydrophilic dimethacrylate monomer, one or more hydrophobic monomers, a flexible hydrophobic multi(meth)acrylate monomer, one or more urethane methacrylate oligomers, and one or more photochromic dyes. The tie layer compositions can contain one or more methacrylate monomers, a (meth)acrylated oligomer with a polycarbonate backbone, one or more urethane methacrylate oligomers, and a solvent or solvent mixture. Methods of preparing photochromic polycarbonate lenses are also disclosed, involving the serial application of the tie layer composition, then the photochromic matrix composition to the lens.

Abstract: The surface of a base pigment is modified so as to have a specific functional group such as sulfonic acid or its derivative, in order to increase rheological and colouristic properties and flocculation stability of dioxazine pigments (e.g., Pigment Violet 23). By modifying a pigment surface and further kneading it, dispersibility and the efficiency (brightness) of a color filter are improved without any other adverse effects.

Abstract: This invention concerns a solid polymer matrix for use as non-focal optical power limiting polymeric materials. This matrix contains: (1) a hyperbranched polymer family, especially HB-PCS OR HB-PU, HB-PUSOX or PC; (2) one or more of RSA dye, MPA dye, azo dye or DMNPAA; 3) CNT and 4) a self-focusing component. This solid polymer matrix provides efficient protection from laser beam damage along with its self-focusing mechanism.

Abstract: Disclosed are an LED light converting resin composition, and an LED member using the same. The LED light converting resin composition comprises 20˜99 wt % of transparent resin, 0.8˜60 wt % of a lighting color converting fluorescent substance, and 0.2˜20 wt % of a light diffusing bead with an average particle diameter of 0.2˜30 ?m. It is possible to emit a white or yellowish white light, like a conventional white light LED, only by independently using a white light emitting LED lens with no change in a blue, violet, or UV LED. There is no need to use a white LED which is relatively expensive and has a short life. Instead, as required, it is possible to easily replace a conventional LED lens with the disclosed LED lens by a user or an operator, thereby obtaining a mild white light with a required luminance. Thus, glaring, caused by a high-luminance white LED lighting, can be effectively reduced, thereby providing a milder lighting with improved comfort.

Abstract: A compound which undergoes a color change upon irradiation, and which has the general structure: X—C?C—C?C—Y—(CO)n-QZ wherein X is H, alkyl or —Y—(CO)n-QW; each Y is the same or a different divalent alkylene group; Q is O, S or NR; R is H or alkyl; W is H, alkyl or Z; each Z is the same or a different unsaturated alkyl group; and each n is 0 or 1.

Abstract: The present invention relates to a photochromic ink, the process for its preparation which is based on a spiropyran powder obtainable by melting, cooling and crushing, and to a new form of a spiropyran obtainable thereby. Said process to prepare a photochromic ink comprises the steps of a) heating and melting the spiropyran at a temperature below 250 C, b) cooling the melt to obtain a solidified spiropyran, c) crushing the solidified spiropyran to obtain a powder, d) optionally adding the powder to a binder providing the basis for the photochromic ink.

Abstract: Chalcogenide compounds with cation exchange capability and methods of using the compounds are described. Compounds of the general formula A2xMxSn3-xS6 are described wherein x is 0.1-0.95, A is Li+, Na+, K+ or Rb+ and M is Mn2+, Mg2+, Zn2+, Fe2+, Co2+ or Ni2+. Compounds of the general formula H2xMxSn3-xS6 are also described wherein x is 0.1-0.95 and M=Mn2+, Mg2+, Zn2+, Fe2+, Co2+ or Ni2+. The compounds can be layered compounds. The compounds are capable of intercalation of Cs+, Sr2+, Hg2+, Pb2+, Cd2+, and/or Ag+ ions. A process involving contacting the compounds with a solution comprising one or more ions including Cs+, Sr2+, Hg2+, Pb2+, Cd2+, and/or Ag+ is also provided. The one or more ions can be removed from the solution by the compounds. A process comprising contacting compounds of the general formula A2xMxSn3-xS6 with a solution containing UO22+, Th4+ or Pu4+ ions is also described.

Abstract: A multi color, photoactive, color changing plastic, coating or ink, composition comprising both a photochromic material and a photosensitive chromogenic system is provided which will undergo a sequence of color changes upon exposure to ultraviolet radiation. Also provided is an ultraviolet indicator or dosimeter comprising the color changing composition.

Abstract: An embodiment of the present invention relates to a composition comprising a) at least one transparent thermoplastic material; b) at least one inorganic IR absorber comprising at least one boride compound present in an amount of from 0.0015 wt. % to 0.015 wt. %, calculated as solids content of boride in the total polymer composition; and c) at least one inorganic, nano-scale pigment present in an amount of from 0.0008 wt. % to 0.0035 wt. %, based on the total composition; and d) optionally further additives.

Abstract: Disclosed is a photochromic curable composition comprising [A] not less than 0.1 part and less than 5 parts by mass of a specific radically polymerizable monomer having an epoxy group, [B] 1.0 to 15 parts by mass of a specific polyfunctional radically polymerizable monomer, [C] 1.0 to 30.0 parts by mass of a specific di(meth)acrylate monomer, [D] more than 50.0 parts and not more than 97.9 parts by mass of a (meth)acrylate monomer except the components [A] to [C] and/or a thio(meth)acrylate monomer, and [E] 0.001 to 10 parts by mass of a photochromic compound based on 100 parts by mass of the total of the polymerizable monomers.

Abstract: The present invention relates to a pigment composition or pigment dispersion that is ideal for producing the blue pixel portion of a color filter for a liquid crystal display device, and a color filter. The invention has an object of providing a color filter having a blue pixel portion that yields a liquid crystal display device having a high degree of contrast that enables the display screen to be viewed with improved clarity, and a high level of brightness that produces a brighter display screen, as well as providing a pigment composition or dispersion that can be used to produce the color filter. The above object can be realized by using a dioxazine derivative that is substituted with a sulfamoyl group having a specific polyalkylene oxide group, and a pigment composition or dispersion for a color filter that includes this dioxazine derivative and a blue organic pigment or violet organic pigment.

Abstract: A rewritable recording material can be provided which contains at least one kind of phenolic compounds represented by formula (I) and which is capable of stably repeating coloring and discoloring for a long period of time as well as exerting superior storage properties such as heat resistance and moisture and heat resistance of the colored image and light resistance of the background. Also provided are a composition for forming a rewritable color-forming layer which is capable of forming a color-forming layer of the recording material, and a composition of a color-developing agent for a rewritable recording material.

Abstract: A color filter or solid state imaging device comprising a colored pattern formed from a curable composition which includes (A) a pigment, (B) a compound having a defined cyclic urea structure and having an acid group or a basic group, (C) a dispersant, (D) a solvent, (E) a radical polymerizable compound, and (F) a photopolymerization initiator. The pigment may be a pigment having a urea structure or an imide structure. The pigment may also be a pigment having a barbituric skeleton.

Abstract: Unconventional twisted ?-electron system electro-optic (EO) chromophores/compounds, compositions and related device structures. Crystallographic analysis of several non-limiting chromophores reveals, for instance, large ring-ring dihedral twist angles and a highly charge-separated zwitterionic structure in the ground state, in both solution phase and solid-state.

Abstract: Dihydroxybenzotriazole UV absorbing compounds that are particularly useful in ophthalmic devices are disclosed.

Abstract: Photochromic materials that are useful for a variety of applications, including for making various unit functions of fluidic devices, particularly microfluidic devices, such as microchannels, valves and gates, using spiropyran materials, such as a polymeric composition comprising a spiropyran. In certain disclosed embodiments the spiropyran is admixed with a polymeric material. For example, the spiropyran may be intercalated into a polyalkylene or polyalkylene phthalate. The spiropyran also may be polymerized with at least one additional monomer to form a heteropolymer, such as by polymerization with styrene, styrene derivatives, acrylate and acrylate derivatives. The spiropyran compositions can be used to make, for example, a photoactuatable valve, a fluidic channel, etc. The valve may be associated with a microchannel, including photochromic microchannel. In certain disclosed embodiments, the valve, at least one microchannel, or both, are re-patternable by light exposure.

Abstract: A hydrogen gas detecting material, which changes in light absorption characteristics when exposed to an atmosphere containing hydrogen, and the coating method are characterized in that (1) the principal component of the hydrogen gas detecting material is tungsten oxide, (2) palladium is deposited on the surface of the tungsten oxide, (3) the tungsten oxide is coated on a substrate by a sputtering method involving a controlled oxygen pressure, and (4) the temperature of the substrate during coating with the tungsten oxide is room temperature (20° C.).

Abstract: Disclosed are ophthalmic device materials having improved light transmission characteristics. The materials contain a combination of certain UV absorbers and blue-light absorbing chromophores.

Abstract: The present invention relates to a dye comprising a chromophore to which an acyloin group as anchoring group is attached, to a method of synthesis of such dye, to an electronic device comprising such dye and to the use of such dye.

Abstract: Alkali metal ion-doped electrochromic films, and methods of making such films, are disclosed. An exemplary electrochromic film comprises a lattice of an oxide of a Group VIII transition metal and a dopant deposited onto the surface of a substrate. The oxide is generated by heating at least one starting material and at least one dopant ion source on the surface of the substrate.

Abstract: The present invention discloses a process for preparing a photochromic polymeric composition, characterized in that the photochromic polymeric composition is prepared by comprising (meth) acrylamide compound in the reaction mixture useful for the preparation of the photochromic polymeric composition. The present invention also relates to the thus obtained polymeric composition, photochromic articles made from said polymeric composition, and use of said polymeric composition for preparing photochromic articles. The photochromic polymeric composition according to the present invention makes the absorption peak of the photochromic dye therein become longer, thus exhibiting a desired grey with a bit bluish green or grey with a bit blue.

Abstract: The present invention relates to contact lenses which reduce indoor glare and provide improved comfort to the wearer.

Abstract: The present invention provides a color tone variable film which is formed by a reaction of a cationic polymer containing a structural unit containing a positive ionic group in a side chain and a compound containing an acid group and a partial structure which can change color tone as a result of energy application, which can be formed by a wet method, which has flexibility and strength in practical use, and which changes color tone with high sensitivity as a result of energy application, a simple manufacturing method thereof, and an electrochromic element obtained by the manufacturing method.

Abstract: The invention relates to aqueous pigment preparations containing (A) at least one organic and/or inorganic pigment, (B) a dispersant of formula (I) or (II), or mixtures of the dispersants of formula (I) and (II), (C) optionally wetting agents, (D) optionally other surfactants and/or dispersants, (E) optionally one or more organic solvents or one or more hydrotropic substances, (F) optionally other additives used conventionally for the production of aqueous pigment dispersions and (G) water.

Abstract: The present invention is directed to adjustable chromophore compounds and materials (e.g., ophthalmic lens materials) incorporating those compounds. The adjustable chromophore compounds include a chemical moiety that structurally changes upon exposure to predetermined electromagnetic radiation (e.g., two photon radiation) as well as lens materials, particularly intraocular lens materials that incorporate those compounds.

Abstract: A dye for a fluid of an electrowetting element, the dye having a general formula selected from the group consisting of: wherein Q has the general formula: -Het1R1 or -Het1R1R2; V has the general formula: -Het2R3 or -Het2R3R4; Het1 and Het2 are heteroatoms; R1 and R3 are H; R2 and R4 are any functional group; T and U are any functional group; W, X, Y and Z are H or an alkyl group; and F, G, L and M are H or an alkyl group, and with the proviso that the dye does not have the general formula: The present invention further relates to a fluid comprising a dye of the present invention, an electrowetting element and an optical display device comprising the fluid, and a use of the dye to reduce photo-bleaching.

Abstract: Provided is an ink composition for manufacturing color filters. The ink composition includes an acrylic binder resin obtained by polymerizing the group of monomers containing a compound represented by Formula 1. The ink composition has good chemical resistance and adhesive properties and is used for manufacturing color filters exhibiting a high contrast ratio: (where Ra is —H, or —CH3, and Rb is an alkyl group having 6-30 carbon atoms).

Abstract: The present invention relates to a photosensitive resin composition for color filter of liquid-crystal displays, and particularly provides a photosensitive resin composition for reducing aggregation of pigment, which has superior development properties, and forms images having no undercut after development in the formation of green pixels for color filter. The composition comprises an alkali-soluble resin (A), a photopolymerizable monomer (B), a photoinitiator (C), an organic solvent (D), and a pigment (E). In which the pigment (E) comprises a halogenated phthalocyanine compound (E-1) as depicted in the undermentioned Formula (1): wherein, M is Al, Si, Sc, Ti, V, Fe, Co, Ni, Zn, Ga, Ge, Y, Zr, Nb, In, Sn or Pb; X1˜X16 are hydrogen atoms or halogen atoms, and the halogen atoms are fluorine atoms, chlorine atoms, bromine atoms or iodine atoms.

Abstract: A color filter and a liquid crystal display device with the color filter that includes a substrate; and a color layer formed on the substrate and constituting color pixels of a plurality of colors, wherein the color layer is formed through a curing of a color composition comprising at least acrylic resin and a coloring agent, wherein the acrylic resin contains a copolymer formed of a first vinyl monomer having a benzyl group and a second vinyl monomer having a carboxyl group, the first vinyl monomer having a function of regulating a retardation of a color layer, the copolymer having a weight average molecular weight of 3000 to 11000 and an acid value of solid matter falling within the range of 30 to 85.

Abstract: A system and process for controlling electronic interactions between two or more interactable materials.

Abstract: The present disclosure relates to the process of making a photochromic composite having a photochromic polymer and a binder polymer. The photochromic polymer is made by solution polymerization of the photochromic monomer and two monomers in the presence of a base and the binder polymer is made by solution polymerization of the two monomers in the presence of a base.

Abstract: The present invention provides an electrochromic display device which can realize a reduction in color drift in storing images and has excellent memory properties. The electrochromic display device is an active matrix drive-type electrochromic display device containing opposed electrodes, at least one type of a porous layer containing titanium oxide with an electrochromic dye adsorbed thereon, and at least one type of a porous layer containing tin oxide. The active matrix drive-type electrochromic display device is characterized in that the tin oxide-containing porous layer is connected to a pixel circuit used in active matrix drive through one of the opposed electrodes.

Abstract: Photochromic dyes are disclosed. A photochromic dye can include a first photo-reactive group and a second photo-reactive group. A first photochromic reaction can be induced in the first photo-reactive group of the photochromic dye by radiation having a first intensity, and a second photochromic reaction can be induced in the second photo-reactive group of the photochromic dye by radiation having a second intensity. The second intensity may be greater than the first intensity.

Abstract: This invention relates to a dispersant for an organic pigment comprising a compound represented by the below-described formula (1) or (2), and also to its use. According to the present invention, it is possible to provide a dispersant or the like, which can afford a coating formulation for a color filter. The coating formulation is prevented from an increase in viscosity and a reduction in storage stability even when the concentration of a pigment is high, and can fabricate the color filter with excellent transparency and color quality.

Abstract: The invention relates to a microcapsule, a system comprising microcapsules, and a corresponding method and apparatus, the microcapsule (11) comprising a core (12) which is encapsulated by an envelope (14) and in which at least one particle (16) having a motion component (17) and an indication component (18) is provided, the substance of the core (12) being capable of being transferred, at least for a short time, by an input of energy from a solid state or higher-viscosity state to a low-viscosity state, the at least one particle (16) being capable of undergoing a change in its position and/or orientation due to an input of energy occurring during the low-viscosity state of the substance of the core (12), and the substance of the core (12) reverting back, upon completion of the energy input, to the solid state or higher-viscosity state, thereby immobilising the at least one particle (16) in its new position and/or orientation. (Cf. FIG. 1).

Abstract: The invention relates to a hot melt adhesive, comprising at least one polysaccharide ester gained by a reaction of a polysaccharide with an imidazolide in melted imidazole. The invention relates, further, to a process for producing the hot melt adhesive, in which imidazole is melted, and an acid chloride and/or an acid anhydride and/or a lactone is reacted in and with the melted imidazole to form an imidazolide, whereby at least one polysaccharide is added to the melted imidazole, whereby the polysaccharide is reacted with the imidazolide to form a polysaccharide ester.

Abstract: A non-linear optical device comprising a polymer configured to be photorefractive upon irradiation by a green laser. The polymer comprises a repeating unit including a moiety selected from the group consisting of the structures (M-1), (M-2) and (M-3), as defined herein.

Abstract: A chromene compound represented by the following formula (1), wherein, “A” is an annulated ring, R1 and R2 are hydrogen atoms, hydroxyl groups or the like groups, R3, R4, R5 and R6 are substituents such as hydroxyl groups or the like groups, “a” and “b” are, respectively, integers of 0 to 4, and “c” and “d” are, respectively, integers of 0 to 5. The chromene compound is a photochromic compound developing a color of a neutral tint, and has a high color density per a unit amount.

Abstract: Photochromic dyes are disclosed. A photochromic dye can include a first photo-reactive group and a second photo-reactive group. A first photochromic reaction can be induced in the first photo-reactive group of the photochromic dye by radiation having a first wavelength, and a second photochromic reaction can be induced in the second photo-reactive group of the photochromic dye by radiation having a second wavelength.

Abstract: An azo pigment showing excellent coloring characteristics such as tinctorial strength and hue and excellent fastness such as light fastness, and a pigment dispersion containing the azo pigment are provided. An azo pigment represented by the following general formula (1) and a pigment dispersion containing the pigment: wherein G represents a hydrogen atom, an aliphatic group, an aryl group, a heterocyclic group, an acyl group, an aliphatic oxycarbonyl group, a carbamoyl group, or a sulfonyl group, R1 represents an amino group, an aliphatic oxy group, an aliphatic group, an aryl group, or a heterocyclic group, R2 represents a substituent, A represents an aromatic 5- to 6-membered heterocyclic group, m represents an integer of from 0 to 5, and n represents an integer of from 1 to 4.

Abstract: The preparation of robust, thin film materials with large second-order optical nonlinearities through the covalent self-assembly of chromophoric compositions and innovative use of silyl chemistry.

Abstract: A composition, for producing dispersions, thermoplastic masses and/or colour filters, comprising (a) a colourant of formula (1) wherein 20-100 mol % R1 are Br and 80-100 mol % R3 are H, especially of formula (Ib) and/or (Ic); (b) from 0 to 150% by weight, based on (a), of C. I. Pigment Red 144, 188, 190, 224, 242 or 2,4,6-trimethylphenylperylene diimide; (c) from 3 to 25% by weight, based on (a), of a di- or tri-azacyclopentylmethyl-substituted colourant (formulae given); (d) from 0 to 10% by weight, preferably from 0.01 to 8% by weight, based on the sum of (a) and (b), of an additionally sulfonated colourant of the same kernels as in (c); and (e) from 0 to 30% by weight, preferably from 3 to 25% by weight, especially from 5 to 20% by weight, based on (a), of a diketopyrrolopyrrole colourant substituted by at least one chain containing a plurality of nitrogen atoms (cf. formula (V)).

Abstract: A wavelength converting element (104), typically for a LED (101), is provided, comprising luminescent particles (105) dispersed in a matrix (106) comprising crosslinked polysiloxane. Crosslinked polysiloxanes are temperature stable, typically up to temperatures above 300° C., meaning that they are stable under normal operating conditions of light emitting diodes. Further, crosslinked polysiloxanes are stable towards exposure to light, meaning that they will not degrade/discolor as a consequence of high intensity light exposure. The polymeric wavelength converter can easily be shaped in different forms. This may lead to better outcoupling of the light from a LED-converter system.

Abstract: One silicon-aluminate light conversion fluorescence material co-activated with halogen for white-light LED, which features a general formula as R(3-a)M3N5CO17:Rea,Xb, where R is one or more selected from the oxide or hydroxide or oxalate or carbonate of La, Y, Lu, Gd, Tb, Nd, Ho elements, M is one or more selected from the carbonate, hydroxide, fluoride and or/chloride of Ca, Mg, Ba, Sr, Zn elements, C is the oxide of Si, Ge, N is one or more selected from the oxide or hydroxide or oxalate or carbonate or fluoride of B, Al, Ga and In elements, Re is the activator which is one or more selected from the oxide, hydroxide, oxalate or carbonate of Ce, Dy, Pr, Eu, Tm, Er, Sm, Yb, Sc, X is co-activator which is one or more selected from AlF3, CaF2, MgF2, BaF2, SrF2 and ZnCl2, as well as 0.001?a?0.5, 0.01?b?1.

Abstract: Unconventional twisted ?-electron system electro-optic (EO) chromophores/compounds, compositions and related device structures. Crystallographic analysis of several non-limiting chromophores reveals, for instance, large ring-ring dihedral twist angles and a highly charge-separated zwitterionic structure in the ground state, in both solution phase and solid-state.

Abstract: A coloring composition for a color filter, which includes a transparent resin, an organic pigment dispersed in the transparent resin, and a retardation-regulating agent containing a compound which is capable of increasing a retardation. A color filter which is provided with colored pixels formed on a transparent substrate by using this coloring composition. A liquid crystal display device which is provided with this color filter.

Abstract: The present invention relates to an electrochromic polymer compound composed of a hyperbranched polymer having electrochromic characteristics derived from a quaternary pyridinium salt, a terephthalic acid diester or a biphenyl-4,4?-diester structure, and a varnish, a thin film structure and an electrochromic device that are obtained by the polymer compound. The electrochromic material has high response speed, high coloring efficiency, and excellent repetition stability and can be used for a long time, and has excellent solubility in various solvents.

Abstract: Disclosed are electrochromic materials containing a film-forming polymer with a Tg less than 100° C.; a plasticizer; an electrochromophore; an electron mediator; and a salt. Also disclosed are electrochromic devices using such electrochromic materials that can provide light-filtering, color-modulation, or reflectance-modulation in variable transmittance windows, variable-reflectance mirrors and other dynamic glazing applications.

Abstract: A photochromic polymer comprising at least one siloxane oligomer and at least two photochromic groups covalently linked to one or both terminuses of the siloxane oligomer and compositions containing photochromic siloxane polymers with narrow polydispersity. The photochromic polymer enhances switching speed in rigid host polymers.