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| Number | Title | Issue Date |
| 7691293 | Red light-emitting phosphor and light-emitting device A red light-emitting phosphor capable of emitting red light upon excitation with light having a wavelength of 350 to 420 nm, represented by the following compositional formula (1): A(1-x)Eu(1-x-y)LnyD2xM2 | 04/06/2010 |
| 7655157 | Doped cadmium tungstate scintillator with improved radiation hardness This invention provides novel cadmium tungstate scintillator materials that show improved radiation hardness. In particular, it was discovered that doping of cadmium tungstate (CdWO4) with trivalent metal ions or monovalent metal ions is particularly effe... | 02/02/2010 |
| 7431864 | Phosphor, production method thereof and light emitting instrument The present invention aims at providing a blue-aimed phosphor powder which is more excellent in emission characteristic than the conventional rare-earth activated sialon phosphors and which is more excellent in durability than the conventional oxide phosphors. | 10/07/2008 |
| 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 |
| 7399430 | Method for manufacturing phosphor, phosphor and plasma display panel It is an object of the present invention to control damage of a phosphor caused by an etching solution. Disclosed is a method of manufacturing a phosphor having the steps of: (a) crushing phosphor particles via a crushing treatment process, and (b) surface-treating ... | 07/15/2008 |
| 7399571 | Multilayered articles and method of manufacture thereof Disclosed herein is multilayered sheet comprising a core layer comprising a thermoplastic polymer and an IR absorbing additive; wherein the IR absorbing additive is a metal oxide; and a first cap layer comprising a thermoplastic polymer and an electromagnetic radiat... | 07/15/2008 |
| 7378038 | Process for producing phosphors A mixed melt, which contains urea and/or a urea derivative and contains a metal compound, is prepared. The mixed melt is solidified, by heating, whereby the urea and/or urea derivative is decomposed, a precursor being thereby prepared. The thus prepared precursor is... | 05/27/2008 |
| 7332855 | Phosphor blends for wavelength conversion and white light emitting device using the same The present invention provides a phosphor blend for wavelength conversion and a white light emitting device using the phosphor blend. Further disclosed is a white light emitting phosphor blend comprising 0.5˜18 wt % of A5(PO4)3Cl:Eu... | 02/19/2008 |
| 7329371 | Red phosphor for LED based lighting Disclosed are phosphor compositions having the formula (RE1-yCey)Mg2-xLixSi3-xPxO12, where RE is at least one of Sc, Lu, Gd, Y, and Tb, 0.0001 | 02/12/2008 |
| 7311859 | Method to produce nanocrystalline powders of oxide-based phosphors for lighting applications Some embodiments of the present invention are directed toward nanocrystalline oxide-based phosphor materials, and methods for making same. Typically, such methods comprise a steric entrapment route for converting precursors into such phosphor material. In some embod... | 12/25/2007 |
| 7303696 | Light-emitting material and light-emitting element A light-emitting material includes a matrix section 12 and light-emitting sections 11 dispersed and buried in the matrix section. The matrix section 12 comprises a first material and the light-emitting sections comprise a second material showing... | 12/04/2007 |
| 7300605 | Phosphor and device using the same A phosphor having a magnetoplumbite-type crystal structure and comprising at least one element selected from B, Si, P, Ge, Ti, V, Ni, Ta, Nb, Mo, W, Yb, Tm and Bi. ... | 11/27/2007 |
| 7279120 | Doped cadmium tungstate scintillator with improved radiation hardness This invention provides novel cadmium tungstate scintillator materials that show improved radiation hardness. In particular, it was discovered that doping of cadmium tungstate (CdWO4) with trivalent metal ions or monovalent metal ions is particularly effe... | 10/09/2007 |
| 7252788 | Phosphor, light source and LED A phosphor with high efficiency having an excitation band corresponding to light of the ultraviolet-visible (300 to 550 nm) wavelength region emitted from a light emitting portion which emits blue or ultraviolet light is provided. A nitride of Ca, a nitride of Al, a... | 08/07/2007 |
| 7252787 | Garnet phosphor materials having enhanced spectral characteristics Phosphor compositions having the formula (Y1-x-y-zTbxGdyCez)3(M1M2)t(Al1-r-sGarIns)A-2tO12+D, where M1 is Mg or ... | 08/07/2007 |
| 7241399 | Synthesis of nanoparticles Methods for the preparation of inorganic nanoparticles capable of fluorescence, wherein the nanoparticles consist of a host material that comprises at least one dopant. The synthesis of the invention in organic solvents allows to gain a considerably higher yield com... | 07/10/2007 |
| 7238303 | Phosphor and plasma display device Phosphor and a plasma display device are provided whose deterioration in brightness of phosphors and a degree of change in chromaticity are alleviated and whose discharge characteristics are improved and that has excellent initial characteristics. Phosphor of the pr... | 07/03/2007 |
| 7238304 | Green light emitting phosphor and light emitting device As a green light emitting phosphor capable of emission upon excitation with light having a wavelength of 350 to 500 nm, characterized in containing Tb3+ ions as emission ions in high concentrations without causing concentration quenching, the present inve... | 07/03/2007 |
| 7226547 | Electroluminescent phosphor powders, methods for making phosphor powders and devices incorporating same Electroluminescent 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 producti... | 06/05/2007 |
| 7214330 | Method of manufacturing phosphor powder, phosphor powder, and phosphor composition A method of manufacturing a highly crystallized phosphor powder, comprising: making a raw material solution containing metal elements and/or semimetal elements that will be constituents of the phosphor into fine liquid droplets, subjecting the liquid droplets to dec... | 05/08/2007 |
| 7208103 | Quantum-splitting fluoride-based phosphors, method of producing, and devices incorporating the same A quantum-splitting phosphor has a formula of ADF5:Pr3+, wherein A is at least one alkaline-earth metal and D is at least one Group-IIIB metal. The phosphor is made in a solid-state method without using hazardous HF gas. The phosphor can be use... | 04/24/2007 |
| 7202477 | Scintillator compositions of cerium halides, and related articles and processes A scintillator composition is disclosed, containing a solid solution of at least two cerium halides. A radiation detector for detecting high-energy radiation is also described herein. The detector includes the scintillator composition mentioned above, along with a p... | 04/10/2007 |
| 7175778 | Self-aligning QCA based nanomaterials The present application is directed to the preparation and use of a class of nanoparticles called Quantum Confined Atoms or QCA's. A QCA is a particle of material comprising a plurality of host atoms in a nanoparticle of a size of less than 10 nm with a single atom ... | 02/13/2007 |
| 7170674 | Fluorescence glass, optical wave guide for optical amplifier and optical amplifier module The present invention provides fluorescent glass containing at least 50 mol % of at least one kind of oxide selected from the group consisting of SiO2, GeO2, and P2O5 as a glass constituent of a region containing a Bi ion ... | 01/30/2007 |
| 7132783 | Phosphor particles having specific distribution of average diameters Small particles provide for improved performance as phosphors especially in the production of display devices. Particles with an diameter less than about 100 nm have altered band properties that affect the emission by the particles. A collection of such small partic... | 11/07/2006 |
| 7115536 | Rare earth containing P2O5-WO3-Na2O glass for laser applications A rare earth containing glass nominally based on the ternary P2O5—WO3—Na2O-Ln2O3 compositional space, with WO3>30-65 mole %, Na2O 15-35 mole %, P2O5 5-6... | 10/03/2006 |
| 7077978 | Phosphors containing oxides of alkaline-earth and group-IIIB metals and white-light sources incorporating same A phosphor comprises a material having a formula of AMgD10O17:Eu2+,Mn2+, wherein A is at least an alkaline-earth metal selected from the group consisting of Ba, Sr, Ca, and combinations thereof; and D is at least a metal s... | 07/18/2006 |
| 7060772 | Fluoropolymers from tetrafluoroethylene and perfluoro(alkoxyalkyl vinyl) ether A fluoropolymer having a melting point of at least 160° C. is provided wherein the fluoropolymer is derived from tetrafluoroethylene as the major component, one or more perfluoro vinyl ethers as the minor component, the perfluoro vinyl ether having the formula CF | 06/13/2006 |
| 7052352 | Anode screen for a phosphor display and method of making the same An anode screen for a field-emission-display is formed by layering light-permeable conductive material and phosphor respectively over a transparent substrate. A plurality of holes are formed in the layer of phosphor to expose corresponding regions of the conductive ... | 05/30/2006 |
| 7018564 | Method for making phosphor ink and system using the same A method for making phosphor ink is provided which uses ultrasonic vibrations to remove surface defect layers from phosphor particles and to quickly and uniformly disperse the phosphor particles throughout a slurry. Propagation of low frequency vibration through the... | 03/28/2006 |
| 7008557 | Production method of phosphor and phosphor The present invention relates to a production method of a phosphor comprising the steps of: forming a phosphor precursor in a liquid phase; drying the phosphor precursor; and firing the dried phosphor precursor to obtain the phosphor. At least one of the forming ste... | 03/07/2006 |
| 7005085 | Oxygen-containing phosphor powders, methods for making phosphor powders and devices incorporating same Phosphor powders and a method for making phosphor powders. The powders are oxygen-containing, such as metal oxides, silicates, borates or titanates and have a small particle size, narrow particle size distribution and are substantially spherical. The method of the i... | 02/28/2006 |
| 7001537 | Phosphor and its production process The present invention is to provide a phosphor of minimum particle size having an excellent crystallinity and a high brightness higher than conventional crude particles, which is usable for a highly precise display, a highly bright illuminating element or illuminati... | 02/21/2006 |
| 6994802 | Cathodoluminescent phosphor powders, methods for making phosphor powders and devices incorporating same Cathodoluminescent 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 producti... | 02/07/2006 |
| 6982523 | Red light emitting phosphor, its production and light emitting device As a red light emitting phosphor capable of efficiently emitting red light at a high luminance in response to exciting light having a wavelength of 350-420 nm, and practically used in a light emitting device for red display or a light emitting device for white or in... | 01/03/2006 |
| 6943348 | System for detecting injection holding material A system is provided for detecting a substantially transparent injection molding material. The injection molding material contains a fluorescent colorant, which is invisible when not exposed to ultraviolet light, but becomes visible when exposed to ultraviolet light... | 09/13/2005 |
| 6930142 | Seal ring A seal ring with a sliding surface, which is obtained by molding a molding powder or granulated powder of non-melt-moldable modified polytetrafluoroethylene containing 0.01 to 1% by weight of a perfluorovinylether unit represented by the formula (I): —CF... | 08/16/2005 |
| 6919060 | Process for producing particles of a metal compound The object of the present invention is to provide a process for producing particles of a metal compound having a spherical particle shape and an average particle diameter larger than 0.3 μm without employing high-pressure conditions. This object is achieved by a pr... | 07/19/2005 |
| 6899826 | Process for producing fluorescent metal oxide material A process for producing a metal oxide phosphor includes a step of firing a powder containing an organic metal chelate complex including a plurality of metals constituting the metal oxide at a uniform composition, whereby produced is a metal oxide phosphor having sub... | 05/31/2005 |
| 6899827 | Inorganic optical taggant and method of making Sintered, translucent ceramic microbeads, preferably alumina, titania, zirconia, yttria, zirconium phosphate, or yttrium aluminum garnet (YAG) are doped with one or more optically active species. The beads may be added to substances such as explosives in order to cr... | 05/31/2005 |
