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7619803 Electrochromic display element and full-color electrochromic display element  
An electrochromic display element includes a pair of counter electrodes having therebetween an electrochromic compound represented by Formula (1), wherein the electrochromic compound becomes...
7608207 Method for preparing a photochromic polyurethane latex and application to ophthalmic optics  
The method of the invention comprises: a) forming a hydrophilic polyurethane prepolymer with isocyanate end groups, by the polyaddition reaction of at least one polyol and at least one diisocyanate...
7595011 Stabilized electrochromic media  
Disclosed are compositions, which are stabilized against degradation and yellowing during exposure to ultraviolet light by the presence of certain hindered amine additives, a method of stabilizing...
7584630 Photochromic ocular devices  
Described are photochromic ocular devices such as contact lenses and intraocular lenses made of an organic polymeric material and at least one photochromic material capable upon exposure to actinic...
7579022 Photochromic compounds  
Various non-limiting embodiments disclosed herein relate generally to photochromic compounds, which may be thermally reversible or non-thermally reversible, and articles made therefrom. Other...
7556751 Photochromic materials having electron-withdrawing substituents  
Photochromic materials comprising indeno-fused naphthopyrans having a first electron-withdrawing substituent and, in certain non-limiting embodiments, a second electron-withdrawing substituent are...
7556750 Photochromic materials with reactive substituents  
Various non-limiting embodiments of the present disclosure relate to photochromic materials comprising a reactive substituent. For example, the present disclosure contemplates photochromic...
7544315 Photochromic h-annellated benzo[f]chromene compounds  
Photochromic h-annellated benzo[f]chromene compounds, especially photochromic compounds derived from benzo[f]chromenes, which compounds have particular long wavelength absorption maxima in their...
7524441 Color filter composition, method and apparatus for manufacturing a color filter having the same  
A color filter composition comprises a mixture of a binder and a monomer in a predetermined ratio, a pigment, and a solvent. The predetermined ratio is a ratio of the binder to the monomer and...
7521005 Electrochromic material with improved lifetime  
Disclosed are viologen derivatives as an electrochromic material having improved stability and lifetime, a metal oxide electrode including the same, and an electrochromic device using the viologen...
7481955 Photochromic materials comprising metallocenyl groups  
Various non-limiting embodiments of the present invention relate to photochromic materials having a metallocenyl group. More particularly, various non-limiting embodiments disclosed herein provide...
7465415 Photochromic materials derived from ring-opening monomers and photochromic initiators  
Various non-limiting embodiments disclosed herein related to photochromic materials comprising the reaction product of (a) at least one ring-opening cyclic monomer, and (b) a photochromic...
7465414 Photochromic article  
Describes an optical article, e.g., an ophthalmic photochromic article, such as a lens, in which the article includes: (1) a transparent substrate, such as a thermoset or thermoplastic plastic...
7420331 Doped dysprosia discharge vessel  
A ceramic discharge vessel is provided wherein the vessel comprises a hollow body for enclosing a discharge and the hollow body is made of a polycrystalline dysprosium oxide containing a...
7399434 Rare metal compounds and mixtures of these  
An article of manufacture marked with compositions comprising rare earth metal compounds which, due to their luminescence when irradiated with UV light, are suitable in particular for the marking...
7372609 Nanocrystalline metal oxide films and associated devices comprising the same  
A nanoporous-nanocrystalline film, comprising a nanoporous-nanocrystalline, semi-conducting metal oxide having a redox active material or redox chromophore attached thereto, wherein the redox...
7364673 Widely wavelength tuneable polychrome colloidal photonic crystal device  
The present invention discloses a widely wavelength tunable polychrome colloidal photonic crystal device whose optical Bragg diffraction stop bands and higher energy bands wavelength, width and...
7354965 Azo compound, colorant-containing curable composition, and color filter and method of producing the same  
The present invention provides a novel azo compound, a curable composition comprising a colorant superior in the light-fastness and heat resistance of a dye, pattern-forming characteristics...
7351362 Photochromic material  
A photochromic material comprising a styrene-based oligomer having a weight average molecular weight of from 200 to 6000 and a photochromic compound selected from the group consisting of...
7335322 Photochromic material comprising composite oxides  
A photochromic includes a laminated film including a composite oxide film composed of at least two elements selected from the group consisting of Ti, Mn, Co, Ni, Zn, and Sn, and the group...
7332260 Naphthopyrans annelated in C5-C6, their preparation and compositions and (CO)polymer matrices containing them  
The present invention relates to novel compounds of the naphthopyran type which have an annelated carbocycle in position 5,6. These compounds are of formula (I) given below: in which A is an...
7332109 Thermally color-developing reversibly thermochromic pigment  
A thermally color-developing reversibly thermochromic pigment which shows a uniform color density in the coloring temperature range and also shows an optimal ΔH value within a range of from 3 to...
7300608 Blue colored composition for color filter and color filter  
A blue colored composition for a color filter contains a pigment carrier comprising a transparent resin, a precursor thereof or a mixture thereof, a blue pigment having a specific surface area of...
7294290 Photochromic composition in a solid matrix  
The invention relates to novel photochromic composition for controlling the transmission of light comprising an organic polymer, photochromic dye, photosensitizer and an electron acceptor. The...
7291293 Vapor deposited electro-optic films self-assembled through hydrogen bonding  
The present invention introduces a novel route toward microstructural orientation into organic films, using multiple hydrogen-bonding to self-assemble chromophore molecules into electro-optic films...
7262294 Photochromatic pyrano-1,3-oxazinonaphthalene derivatives  
Photochromatic compounds belonging to the groups of chromenes and spiro-pyrans having general formula (I)
7261844 Photochromic contact lens having excellent discoloring characteristic  
A photochromic contact lens having a period of time for discoloring the contact lens from a colored state to the uncolored state shortened, wherein the photochromic contact lens is made of an...
7261843 Photochromic optical article  
Describes a photochromic article, e.g., an ophthalmic photochromic plastic article, such as a lens, in which the article includes (1) a rigid substrate, e.g., a transparent substrate such as a...
7261842 Photochromic compositions, preparation thereof and articles made therefrom or coated therewith  
The present invention relates to novel cross-linkable or crosslinked photochromic compositions, articles made from or coated with the compositions and method of making the compositions. The...
7253940 Nanoporous and nanocrystalline film and electrochromic device  
A nanoporous, nanocrystalline film and electrochromic device. The nanoporous, nanocrystalline film has a conducting metal oxide having an electroactive compound, which is either a p-type or n-type...
7250121 Non-linear optical device material composition  
An optical device composition of the present invention includes a trifluorovinyl group containing polyimide that is crosslinkable and thermally stable after crosslinking. The invention relates to a...
7250120 Benzo-, naphtho- and phenanthrochromene substituted by carbamated or ureated phenyls, preparation thereof and compositions and articles containing them  
Disclosed are novel benzo-, naphtho- and phenanthrochromenes substituted by carbamated or ureated phenyls having the following general formula (I): wherein R 1 represents a group their...
7247262 Photochromic compositions and light transmissible articles  
The invention related to a photochromic polymeric composition comprising a polymer matrix and a photochromic compound which is an adduct comprising a photochromic moiety and at least one pendant...
7247261 Nonlinear optical material with nano-sized dendrimer structure  
The present invention relates to a non-linear optical material having a dendrimer structure; and, more particularly, to a non-linear optical material having organic chromophores at the ends and...
7242542 Filters of electronic displays  
A filter of an electronic display device provides a clear image, the filter comprising an squarylium compound represent by formula (II): wherein R 15 and R 17 independently represent a...
7235194 Two-photon or higher-order absorbing optical materials for generation of reactive species  
Disclosed are highly efficient multiphoton absorbing compounds and methods of their use. The compounds generally include a bridge of pi-conjugated bonds connecting electron donating groups or...
7229576 Substituted phenanthropyrans  
The present invention relates to specific photochromic phenanthropyrans as well as to their use in synthetic resin materials of all types, especially for ophthalmic purposes. In particular, the...
7198732 Rare earth metal compounds and mixtures of these  
Rare earth metal compounds are described which, due to their luminescence when irradiated with UV light, are suitable in particular for the marking of security-relevant items, such as documents or...
7190506 Electrochromic device with nanoparticles and UV-absorbers in the protective coating  
An electrochromic device which carries a coating comprising at least one UV absorber and nanoparticles is effectively protected against destruction by UV light.
7189456 Photochromic optical article  
Describes a photochromic plastic article, e.g., an ophthalmic photochromic article, such as a lens, in which the article includes (1) a rigid substrate, e.g., polymeric substrate, such as a...
7186359 Method for preparing a latex with photochromic properties and uses thereof, particularly in ophthalmology  
This invention relates to a method for preparing a photochromic latex, photochromic thin films obtained therefrom, and articles coated with such thin films, in particular photochromic ophthalmic...
7169941 Photochromic composition  
A photochromic composition and a coating composition comprising a molecular compound of a chromene compound and an aromatic compound. The photochromic composition provides a photochromic optical...
7135132 Photochromic fluorescent polymer and preparation method thereof  
The present invention relates to a photochromic fluorescent polymer and a preparation method thereof, and more particularly, to a photochromic fluorescent polymer having bonds between diarylethenes...
7101498 Thermoplastic norbornene resin based optical film  
An optical film is provided, which displays a positive wavelength dependency across the entire wavelength region from 400 to 800 nm, and is capable of imparting a specified retardation to...
7101497 Photochromic material and color dose meter using the same  
To detect an irradiated radiation efficiently, so that the dose can be measured with high sensitivity. A photochromic material comprising an illuminant(s) which emits a light when irradiated with a...
7099062 Electrochromic film and device comprising the same  
Electrochromic film with the general formula: ApBqOxXy wherein: —A is one or more of the elements from the group consisting of Ni, Ir, Cr, V, Mn, Fe, W, Mo, Ti, Co, Ce, Pr and Hf; —B is one or...
7094368 Pyrano-quinolines, pyrano-quinolinones, combinations thereof, photochromic compositions and articles  
Described are compositions of at least one material represented by a pyrano[3,2-c]quinoline structure, a pyrano[3,2-c]quinolinone structure or mixtures thereof. The pyrano[3,2-c]quinoline structure...
7090790 Chemiluminescent composition producing white light  
Disclosed herein is a chemiluminescent composition that can produce bight pure white light even at a low temperature. The chemiluminescent composition producing white light comprises a blue or...
7088514 Particle size variable reactor  
A particle size (or particle diameter) variable reactor comprises a granular substrate and a capturing unit fixed onto the surface of the granular substrate. The capturing unit comprises a...
7087195 Photochromic curable composition and cured articles thereof  
There is provided a method of preventing decreases in the developed color density and color fading speed of an organic photochromic compound without lowering the mechanical and optical physical...
Matches 1 - 50 out of 434 1 2 3 4 5 6 7 8 9 >