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| Number | Title | Issue Date |
| 8163201 | High-intensity, persistent photoluminescent formulations and objects, and methods for creating the same Disclosed are photoluminescent formulations, comprising an effective amount of photoluminescent phosphorescent materials, which exhibit high luminous intensity and persistence. Also disclosed are photoluminescent objects formed by applying at least one photoluminesc... | 04/24/2012 |
| 8128838 | Phosphorescent marine products In one embodiment of the invention, a marine article of the invention includes a phosphorescent phosphor. A particularly advantageous phosphorescent phosphor comprises MAl2O4. As used herein, “M” is at least one cation selected from a group... | 03/06/2012 |
| 8092713 | Method for marking a material and resulting marked material The invention concerns a method for marking a material characterized in that it consists in incorporating into the material: either a phosphor capable of producing, following excitation, two light emissions whereof the respective wavelengths and the emission decay t... | 01/10/2012 |
| 8025816 | Semiconductor superfine particle phosphor and light emitting device This invention provides a novel phosphor material that has better brightness than conventional phosphors using dispersed rare earth ions, and that possesses excellent light resistance, temporal stability, and the like, and a light-emitting device with high brightnes... | 09/27/2011 |
| 7935272 | Dispersant having multifunctional head and phosphor paste composition comprising the same Disclosed is a dispersant having a multifunctional head, and a phosphor paste composition comprising the dispersant. The dispersant has a multifunctional head that comprises an acidic group, a basic group and an aromatic group, thereby enhancing an affinity for the ... | 05/03/2011 |
| 7927511 | Coding system for value documents The invention relates to a composition for coding having at least one pair of mutually associated luminescent substances having first and second luminescent substances which emit in a joint emission range located outside the visible spectral range. The emission spec... | 04/19/2011 |
| 7922936 | Luminescent compositions, methods for making luminescent compositions and inks incorporating the same A particulate luminescent composition is disclosed that, when excited by electromagnetic radiation at a first frequency, emits electromagnetic radiation at a second frequency equal to or within 1500 cm−1 of the first frequency. The luminescent compositi... | 04/12/2011 |
| 7883641 | Metal oxide phosphor microparticle and process for producing the same; utilizing the same, dispersion liquid, fluorescence conversion membrane, method of separating metal oxide phosphor microparticle, fluorescent liquid, fluorescent paste, phosphor and process for producing the same; and fluorescence converter In accordance with the present invention, there are provided metal oxide-based phosphor microfine particles comprising a matrix crystal made of a metal oxide and a metal element doped as an emission center into the matrix crystal, wherein the microfine particles are... | 02/08/2011 |
| 7811470 | Water based colorants comprising semiconductor nanocrystals and methods of making and using the same A water based colorant that includes a polymer emulsion and semiconductor crystals capable of emitting light. The colorants include paints, inks and/or dyes can be applied to various substrates. ... | 10/12/2010 |
| 7799244 | Fluorescent object and method for manufacturing the same An inexpensive fluorescent object is provided which may be used, for example, as a test object for color adjustment of a fluorescent endoscope system. The fluorescent object generates fluorescence while minimizing the generation of ‘noise’ at undesired wavelengt... | 09/21/2010 |
| 7718088 | Light emitting diode and wavelength converting material A wavelength converting material including a wavelength converting activator and a scatter is provided. The wavelength converting activator is suitable for being activated by a light with a wavelength λ1, so as to emit a light with a wavelength λ2 | 05/18/2010 |
| 7700001 | Light-emitting apparatus, phosphor and method of producing it A light-emitting apparatus composed of a light source that emits primary light and a phosphor that absorbs the primary light and emits secondary light offers high brightness, low power consumption, and a long lifetime while minimizing adverse effects on the environm... | 04/20/2010 |
| 7682523 | Fluorescent security ink using carbon nanotubes The present invention is directed toward fluorescent inks and markers comprising carbon nanotubes. The present invention is also directed toward methods of making such inks and markers and to methods of using such inks and markers, especially for security applicatio... | 03/23/2010 |
| 7662310 | Phosphor paste composition comprising phosphate ester as dispersant and display using the same Disclosed herein is a phosphor paste composition, which includes a phosphor, a dispersant, and a binder solution composed of a solvent and an organic binder, in which the dispersant includes iso-octylphenol ethoxylated phosphoric acid, phosphate ester of a block cop... | 02/16/2010 |
| 7645397 | Nanocrystal doped matrixes Matrixes doped with semiconductor nanocrystals are provided. In certain embodiments, the semiconductor nanocrystals have a size and composition such that they absorb or emit light at particular wavelengths. The nanocrystals can comprise ligands that allow for mixing... | 01/12/2010 |
| 7531108 | Security features incorporating photoluminescent phosphor powders and methods for making security features Photoluminescent phosphor powders and a method for making phosphor powders. The phosphor powders have a small particle size, narrow particle size distribution and are substantially spherical. The method of the invention advantageously permits the economic production... | 05/12/2009 |
| 7507352 | Luminous materials A luminous material comprising a rubber, glass or plastics material matrix. A luminescent material is dispersed throughout the matrix, and a colorant dispersed throughout the matrix. The colourant gives the matrix a colour when it is observed under substantially whi... | 03/24/2009 |
| 7504046 | Polymer grafted alkaline earth aluminate phosphor through coordination bond The invention provides a kind of polymer grafted long afterglow phosphor which composed of alkali earth aluminate phosphor grafted by polymer through coordination bond and a method for producing the same. The method for producing a polymer grafted phosphor comprise ... | 03/17/2009 |
| 7438833 | Organic species that facilitate charge transfer to or from nanostructures The present invention provides compositions (small molecules, oligomers and polymers) that can be used to modify charge transport across a nanocrystal surface or within a nanocrystal-containing matrix, as well as methods for making and using the novel compositions. | 10/21/2008 |
| 7435982 | Laser-driven light source An apparatus for producing light includes a chamber and an ignition source that ionizes a gas within the chamber. The apparatus also includes at least one laser that provides energy to the ionized gas within the chamber to produce a high brightness light. The laser ... | 10/14/2008 |
| 7431862 | Synthesis of magnetic, dielectric or phosphorescent NANO composites A method of forming nano composites within a polymer structure comprises exposing a wettable polymer having ion-exchangeable groups pendant therefrom to an aqueous solution of a soluble salt containing metal ions, the metal ions replacing, by ion exchange, the penda... | 10/07/2008 |
| 7429291 | Print ink containing a plurality of fluorescent coloring materials and inkjet recording method The present invention provides a fluorescence ink having a high fluorescence intensity, and an ink jet recording method using the same. The ink contains a first fluorescent coloring material that emits fluorescence at a predetermined fluorescence wavelength to be us... | 09/30/2008 |
| 7429340 | Phosphor paste composition and method of manufacturing flat display device using the same Provided are a phosphor paste composition, a flat display device including the same, and a method of manufacturing the flat display device. The phosphor paste composition contains a phosphor with at least a heat-resistant material selected from a Group II atom-conta... | 09/30/2008 |
| 7423368 | Plasma display and method of producing phosphor used therein The present invention relates to a plasma display device and to a method of producing a phosphor to be used for the device, that prevents the phosphor layer from deteriorating, and improves the luminance, life, and reliability, of a plasma display panel (PDP). The p... | 09/09/2008 |
| 7393469 | High performance sol-gel spin-on glass materials Hybrid sol-gel materials are provided, which may be produced by the reaction of an alkyl or dialkyl substituted trialkoxysilane or dialkoxysilane reacting with a silane diol, wherein said alkyl group has from 1 to 8 carbon atoms. A process is also provided for patte... | 07/01/2008 |
| 7393618 | Composition for color converting member and production method of color conversion substrate using the same A color conversion member composition (10) including (A) a color filter material (1), (B) a photoluminescent inorganic nanocrystal (3), (C) a medium (5), and (D) two or more solvents (5), wherein all of the solvents (D) are good solvents for one of the color filter ... | 07/01/2008 |
| 7371593 | Method for manufacturing semiconductor light emitting device A method for manufacturing a semiconductor light emitting device can result in a device that includes a housing having a cavity, a light emitting element on a bottom face of the cavity, and a wavelength conversion layer provided within the cavity. The wavelength con... | 05/13/2008 |
| 7371441 | Artificial stone wall panel An artificial stone wall panel comprises: an artificial stone, composition of which comprises an inorganic fine powder component with a size of from 9.5 mm to 180 μm, an inorganic finely divided component with a size of less than 180 μm, and a resin component in a... | 05/13/2008 |
| 7368152 | Artificial stone wall material The invention of this application provides an artificial stone wall material comprising an inorganic fine particle component having a size range of 180 μm to 9.5 mm and an inorganic finer particle component having a size range of less than 180 μm and a resin compo... | 05/06/2008 |
| 7358658 | Amorphous diamond materials and associated methods for the use and manufacture thereof An electroluminescence device having improved luminescence per volt input is provided. The device can include a first electrode, a second electrode, a diamond-like carbon layer electrically coupled to at least one of the first electrode or the second electrode, and ... | 04/15/2008 |
| 7350571 | Methods of preparing and using coated particulates The present invention involves methods of preparing coated particulates and using such coated particulates in subterranean applications such as production enhancement and sand control. One embodiment of the present invention provides a method of preparing coated par... | 04/01/2008 |
| 7349158 | Diffraction grating-based encoded micro-particles for multiplexed experiments Microparticles 8 includes an optical substrate 10 having at least one diffraction grating 12 disposed therein. The grating 12 having a plurality of colocated pitches Λ which represent a unique identification digital code that is detected... | 03/25/2008 |
| 7341779 | Rare earth oxide coated phosphors The present invention provides surface coated phosphors useful in field emission displays and vacuum fluorescent displays. The surface coated phosphor comprises a thin coating of rare earth oxide, e.g., yttrium oxide, disposed on an uncoated phosphor such as a sulfi... | 03/11/2008 |
| 7338704 | Coating composition having fluorescent colorants A coating composition containing a resinous binder with colorants and reflective pigments. The colorants absorb visible light at a first wavelength and produce fluorescent light at a second wavelength band when exposed to visible light. When applied to a substrate, ... | 03/04/2008 |
| 7338668 | Drug carrier pellet production process The invention provides a process for the production of drug carrier pellets comprising spray-drying a solution of a physiologically tolerable cellulosic binder containing a physiologically tolerable inert particulate carrier having a particle size D (v, 0.5) of less... | 03/04/2008 |
| 7334635 | Methods for fracturing subterranean wells A method of forming a propped fracture comprising: providing a fracture having a far-well bore area and a near-well bore area; placing first proppant particulates at least partially coated with an adhesive substance; placing a portion of second proppant particulates... | 02/26/2008 |
| 7335402 | Radiation curable putty compositions and methods for refinishing a substrate using such compositions Disclosed are radiation curable putty compositions that include (a) a radiation curable material, (b) a radiation cure initiator, and (c) a filler comprising a polymer, such as a polymer that is transparent to ultraviolet radiation. Also disclosed are methods for re... | 02/26/2008 |
| 7334636 | Methods of creating high-porosity propped fractures using reticulated foam One embodiment of the prevent invention provides a method of creating a high porosity propped fracture comprising creating a slurry comprising a treatment fluid, proppant particulates, pieces of reticulated foam having cells, and an adhesive substance such that the ... | 02/26/2008 |
| 7329369 | Semiconductor nanoparticle surface modification method Semiconductor nanoparticles having high luminescence properties that are preferable for applications and uses of biotechnology are provided. With the use of electric charges on the surfaces of particles, the particles and selected polymers are allowed to elec... | 02/12/2008 |
| 7326365 | Composite material including nanocrystals and methods of making Temperature-sensing compositions can include an inorganic material, such as a semiconductor nanocrystal. The nanocrystal can be a dependable and accurate indicator of temperature. The intensity of emission of the nanocrystal varies with temperature and can be highly... | 02/05/2008 |
