Entries |
Document | Title | Date |
20080290318 | Production of Light from Sol-Gel Derived Thin Films Made with Lanthanide Doped Nanoparticles, and Preparation Thereof - A method of preparing a lanthanide-doped nanoparticle sol-gel matrix film having a high signal to noise ratio is provided. The sol-gels are also provided. A method of preparing light emitting sol-gel films made with lanthanide doped nanoparticles, for the production of white light is also provided. The method comprises selecting lanthanides for the production of at least one of green, red and blue light when excited with near infrared light, preparing nanoparticles comprising the selected lanthanides, stabilizing the nanoparticles with ligands operative to stabilize the nanoparticles in an aqueous solution and selected to be substantially removed from the sol-gel matrix film during synthesis, incorporating the stabilized nanoparticles into a sol-gel matrix and heating to increase the signal to noise ratio of the luminescence by substantially removing the low molecular weight organic molecules. Additionally, light emitting sol-gel films made with lanthanide doped nanoparticles are provided. | 11-27-2008 |
20090001318 | Phosphor for Producing White Light Under Excitation of UV Light and Method for making the same - A phosphor material for producing white light under excitation of UV light and a method for making the same. The phosphor material is an alkaline-earth silicates compound with a chemical formula of (A | 01-01-2009 |
20090050845 | BETA TYPE SIALON FLUORESCENT SUBSTANCE - A β type Sialon fluorescent substance is disclosed that is capable of achieving enhanced brightness of a white light emitting diode using blue to ultraviolet light as a light source. In the fluorescent substance which contains not less than 90% by mass of a β type Sialon composition represented by general formula: Si | 02-26-2009 |
20090050846 | Illuminant and Light Source Containing the Same, and Method for Producing said Illuminant - An illumination from the class of oxynitridosilicates, doped with bivalent europium and comprising a cation M2+, said illuminant corresponding to the basic formula M | 02-26-2009 |
20090072195 | LUMINESCENT MATERIAL - A luminescent material is provided, which includes a carbide oxynitride-based compound having a composition represented by formula 1: | 03-19-2009 |
20090085009 | FLUORESCENT SUBSTANCE FOR LIGHT-EMITTING DIODE - A novel fluorescent substance for a light-emitting diode, emitting light of any one of three primary colors by excitation of an ultraviolet light-emitting diode. Alternatively, a novel fluorescent substance for a light-emitting diode, emitting light in a red region of a spectrum by excitation of a blue light-emitting diode. Na | 04-02-2009 |
20090085010 | Phosphor and manufacturing method for the same, and light source - To provide a phosphor having an emission characteristic such that a peak wavelength of light emission is in a range from 580 to 680 nm, and having a high emission intensity, and having a flat excitation band with high efficiency for excitation light in a broad wavelength range from ultraviolet to visible light (wavelength range from 250 nm to 550 nm). For example, Ca | 04-02-2009 |
20090127507 | LUMINESCENT MATERIAL - A luminescent material is provided, which includes a material formed of a single composition containing the main crystal phase and an activator which causes light emission. The material exhibits a narrowband light emission spectrum in a wavelength ranging from 540 nm to 550 nm and a broadband light emission spectrum in a wavelength ranging from 500 nm to 600 nm when the material is excited with light having the main light emission peak having a wavelength ranging from 370 nm to 460 nm. | 05-21-2009 |
20090166584 | MULTINARY OXYNITRIDE PHOSPHOR, AND LIGHT EMITTING DEVICE, IMAGE DISPLAY, ILLUMINATING DEVICE AND PHOSPHOR-CONTAINING COMPOSITION USING THE SAME, AND MULTINARY OXYNITRIDE - To provide a green phosphor with high conversion efficiency of blue of near-ultraviolet light and excellent color purity, a multinary oxynitride phosphor represented by the general formula [I] is proposed. | 07-02-2009 |
20090200515 | METHOD FOR PRODUCING NITRIDOSILICATE-BASED COMPOUND, NITRIDOSILICATE PHOSPHOR, AND LIGHT-EMITTING APPARATUS USING THE NITRIDOSILICATE PHOSPHOR - A nitridosilicate-based compound is produced by reacting an alkaline-earth metal compound capable of generating an alkaline-earth metal oxide by heating or a rare earth compound capable of generating a rare earth oxide by heating with at least a silicon compound, while the alkaline-earth metal compound or the rare earth compound is being reduced and nitrided by the reaction with carbon in an atmosphere of nitriding gas. Because of this, a nitridosilicate-based compound of high quality can be produced industrially at low cost. | 08-13-2009 |
20090283720 | Nano-composite IR window and method for making same - A transparent, nano-composite material and methods for making structures from this material are provided. In one embodiment, the material is made from a polycrystalline matrix containing dispersed particles of a harder material. The particles are less then about 100 nm. In other embodiments, methods for making structures from the material are provided. In one aspect, the methods include blending precursor powders for the matrix and reinforcing phases prior to forming and sintering to make a final structure. In other aspects, a precursor powder for the matrix is pressed into a green shape, which is partially sintered and exposed to a solution containing a precursor for the reinforcing phase, prior to be sintered into the final material. In another aspect, the precursor powder for the matrix is coated with a sol-gel precursor for the reinforcing material, then pressed into a green shape and sintered to form the final structure. | 11-19-2009 |
20090309067 | METHOD OF MAKING A LEAD-ACTIVATED STRONTIUM HEXABORATE PHOSPHOR - There is provided a method of making a SrB | 12-17-2009 |
20090314989 | Fluorescent substance composite glass, fluorescent substance composite glass green sheet, and process for producing fluorescent substance composite glass - The present invention is to provide a fluorescent substance composite glass which is chemically stable, has a large size, is reduced in wall thickness, has a uniform thickness and therefore has a high energy conversion efficiency, a fluorescent substance composite glass green sheet and a process for producing the fluorescent substance composite glass. The fluorescent substance composite glass of the present invention is produced by baking a mixture containing a glass powder and an inorganic fluorescent substance powder, in which the energy conversion efficiency to a visible light wavelength region of 380 to 780 nm is 10% or more, when light having an emission peak in a wavelength range of 350 to 500 nm is applied. | 12-24-2009 |
20100001234 | Manufacturing method of nitride phosphor or oxynitride phosphor - To reduce impurity contents of carbon and oxygen not contributing to light emission, then suppress deterioration of emission intensity of a phosphor, and improve emission efficiency of this phosphor. Therefore, there is provided a firing method of nitride or oxynitride phosphors, wherein a crucible | 01-07-2010 |
20100012897 | Luminescent Substances - The invention relates to a new class of luminescent substances (phosphorous) based on an universally dopable matrix made of an amorphous, at the most partially crystalline network of the elements P, Si, B, Al and N, preferably the composition Si | 01-21-2010 |
20100032622 | Orange-yellow phosphor and warm white LED using the same - A phosphor providing orange-yellow radiation is prepared from a cerium activated rear-earth garnet substrate that contains Li (lithium), Si (silicon), N (nitrogen) and F (fluorine) atoms, obtaining the overall stoichiometric equation of (ΣLn) | 02-11-2010 |
20100038590 | METHOD FOR PREPARING B-SIALON PHOSPHOR - There is provided a method for preparing a β-SiAlON phosphor capable of be controlled to show characteristics such as high brightness and desired particle size distribution. The method for preparing a β-SiAlON phosphor represented by Formula: Si | 02-18-2010 |
20100044633 | Waterproof Multi-Element Co-Activated Long Afterglow Light-Accumulating Phosphors - The present invention relates to a waterproof multiple rare-earth co-activated long-afterglow luminescent material having its general chemical composition depicted by a formula aMO.bAl | 02-25-2010 |
20100065778 | DENSE HIGH-SPEED SCINTILLATOR MATERIAL OF LOW AFTERGLOW - The invention relates to an inorganic scintillator material of formula Lu | 03-18-2010 |
20100102276 | PHOSPHOR FOR ULTRAVIOLET EXCITED LIGHT-EMITTING DEVICE, PHOSPHOR PASTE, AND ULTRAVIOLET EXCITED LIGHT-EMITTING DEVICE - The present invention provides a phosphor for an ultraviolet excited light-emitting device, a phosphor paste and an ultraviolet excited light-emitting device. A phosphor for an ultraviolet excited light-emitting device, the phosphor comprising an oxide containing M | 04-29-2010 |
20100224828 | PHOSPHOR, PHOSPHOR PASTE CONTAINING THE SAME, AND LIGHT-EMITTING DEVICE - Disclosed is a phosphor having high luminance. This phosphor includes an oxide containing M | 09-09-2010 |
20100224829 | PHOSPHOR - Disclosed is a phosphor having high luminance, which is composed of M | 09-09-2010 |
20100237287 | PHOSPHOR, PHOSPHOR PASTE CONTAINING THE SAME, AND LIGHT-EMITTING DEVICE - Disclosed are a phosphor having high luminance, a phosphor paste containing the phosphor and a light-emitting device. The phosphor includes an oxide containing M | 09-23-2010 |
20100288972 | RARE-EARTH DOPED ALKALINE-EARTH SILICON NITRIDE PHOSPHOR, METHOD FOR PRODUCING AND RADIATION CONVERTING DEVICE COMPRISING SUCH A PHOSPHOR - The invention relates to a method of manufacturing a rare-earth doped alkaline-earth silicon nitride phosphor of a stoichiometric composition. Said method comprising the step of selecting one or more compounds each comprising at least one element of the group comprising the rare-earth elements (RE), the alkaline-earth elements (AE), silicon (Si) and nitrogen (N) and together comprising the necessary elements to form the rare-earth doped alkaline-earth silicon nitride phosphor (AE | 11-18-2010 |
20100301272 | Phosphor and manufacturing method for the same, and light source - To provide a phosphor having an emission characteristic such that a peak wavelength of light emission is in a range from 580 to 680 nm, and having a high emission intensity, and having a flat excitation band with high efficiency for excitation light in a broad wavelength range from ultraviolet to visible light (wavelength range from 250 nm to 550 nm). For example, Ca | 12-02-2010 |
20100327227 | SCINTILLATOR SINGLE CRYSTAL, HEAT TREATMENT PROCESS FOR PRODUCTION OF SCINTILLATOR SINGLE CRYSTAL, AND PROCESS FOR PRODUCTION OF SCINTILLATOR SINGLE CRYSTAL - The scintillator single crystal of the invention comprises a cerium-activated orthosilicate compound represented by the following formula (1). | 12-30-2010 |
20110084232 | ILLUMINATION SYSTEM COMPRISING A RADIATION SOURCE AND A FLUORESCENT MATERIAL - The invention concerns an illumination system for generation of colored, especially amber or red light, comprising a radiation source and a fluorescent material comprising at least one phosphor capable of absorbing a part of light emitted by the radiation source and emitting light of wavelength different from that of the absorbed light; wherein said at least one phosphor is a amber to red emitting a rare earth metal-activated oxonitridoalumosilicate of general formula (Ca | 04-14-2011 |
20110089375 | MICROSPHERES INCLUDING NANOPARTICLES - A microparticle can include a central region and a peripheral region. The peripheral region can include a nanoparticle, such as a metal nanoparticle, a metal oxide nanoparticle, or a semiconductor nanocrystal. The microparticle can be a member of a monodisperse population of particles. | 04-21-2011 |
20110095230 | DOPED RARE EARTHS ORTHOSILICATES USED AS OPTICAL DEVICES FOR RECORDING INFORMATION - The present invention refers in a first aspect thereof to a new method for information storage and retrieval by means of rare earth doped orthosilicates having a trap density comprised between 10 | 04-28-2011 |
20110121234 | PHOSPHOR, PROCESS FOR PRODUCING THE SAME, AND LUMINESCENT DEVICE - A green phosphor for emitting light, a spectrum of which is sharp, in an ultraviolet and visible light region, which has higher green light brightness than the conventional rare earth-activated sialon phosphor and has higher durability than the conventional oxide phosphor, is provided. The phosphor being characterized in that Al and a metal element M (here, M is Eu) are incorporated into a crystal of a nitride or oxynitride having a βSi | 05-26-2011 |
20110180757 | LUMINESCENT MATERIALS THAT EMIT LIGHT IN THE VISIBLE RANGE OR THE NEAR INFRARED RANGE AND METHODS OF FORMING THEREOF - Luminescent materials and methods of forming such materials arc described herein. In one embodiment, a luminescent material has the formula: [A | 07-28-2011 |
20110253939 | DYE LOADED ZEOLITE MATERIAL - The present invention provides a dye loaded zeolite material comprising: a) at least one zeolite crystal having straight through uniform channels each having a channel axis parallel to, and a channel width transverse to, a c-axis of crystal unit cells; b) closure molecules having an elongated shape and consisting of a head moiety and a tail moiety, the tail moiety having a longitudinal extension of more than a dimension of the crystal unit cells along the c-axis and the head moiety having a lateral extension that is larger than said channel width and will prevent said head moiety from penetrating into a channel; c) a channel being terminated, in generally plug-like manner, at least at one end thereof located at a surface of the zeolite crystal by a closure molecule hose tail moiety penetrates into said chanel and whose head moiety substantially occludes said channel end while projecting over said surface; and d) an essentially linear arrangement of luminescent dye molecules enclosed within a terminated channel adjacent to at least one closure molecule and exhibiting properties related to supramolecular organization. | 10-20-2011 |
20110260107 | LUTETIUM OXYORTHOSILICATE SCINTILLATOR HAVING IMPROVED SCINTILLATION AND OPTICAL PROPERTIES AND METHOD OF MAKING THE SAME - LSO scintillation crystals with improved scintillation and optical properties are achieved by controlled co-doping a LSO crystal melt with amounts of cerium and an additional codopant such as calcium or other divalent cations. Crystal growth atmosphere is optimized by controlling the amount of oxygen in the atmosphere. Zinc is added as an additional material to restabilize crystal growth where calcium co-dopant is added. The decay time of the scintillation crystal can be controlled by controlling the concentration of co-dopant added. | 10-27-2011 |
20110297882 | DENSE HIGH-SPEED SCINTILLATOR MATERIAL OF LOW AFTERGLOW - The invention relates to an inorganic scintillator material of formula Lu | 12-08-2011 |
20110315926 | SILICON PRECURSORS FOR SYNTHESIZING MULTI-ELEMENTAL INORGANIC SILICON-CONTAINING MATERIALS AND METHODS OF SYNTHESIZING SAME - A method for making silicon materials includes providing a multi-elemental water-soluble precursor solution comprising at least one silicon precursor and applying a heat source to the silicon precursor to form a multi-elemental silicon material. A composition, light emitting element and light emitting device including the silicon materials made in accordance with the method are described. | 12-29-2011 |
20120012786 | GERMANATE LUMINESCENCE MATERIAL AND ITS PREPARATION - A kind of germanate luminescence material and its preparation. The germanate luminescence material is a compound of following formula: (Y | 01-19-2012 |
20120056130 | FULL-COLOR LIGHT-EMITTING MATERIAL AND PREPARATION METHOD THEREOF - A full-color light-emitting material and preparation method thereof are provided. A light-emitting material is following general formula compound (Y | 03-08-2012 |
20120068117 | GREEN LUMINESCENT MATERIALS AND THEIR PREPARING METHODS - Green luminescent materials and their preparing methods. The luminescent materials are the compounds of the following general formula: M | 03-22-2012 |
20120085972 | CERAMIC SCINTILLATOR BODY AND SCINTILLATION DEVICE - A ceramic scintillator body includes a polycrystalline ceramic scintillating material having a substantially cubic crystallographic structure. The polycrystalline ceramic scintillating material has a chemical composition represented by a general formula LU | 04-12-2012 |
20120091394 | BLUE LIGHT EMITTING GLASS AND PREPARATION METHOD THEREOF - Blue light emitting glass and the preparation method thereof are provided. The blue light emitting glass has the following composition: aCaO.bAl | 04-19-2012 |
20120097896 | BLUE-GREEN SILICATE LUMINESCENT MATERIAL - The present invention provides blue-green silicate luminescent materials, which are rare earth activated alkaline-earth metals silicates having a formula of Ba | 04-26-2012 |
20120112129 | GREEN EMITTING MATERIAL - The invention relates to an improved green emitting material of the form M | 05-10-2012 |
20120119143 | PHOSPHORESCENT COMPOSITIONS, METHODS OF MAKING THE COMPOSITIONS, AND METHODS OF USING THE COMPOSITIONS - Compositions, methods of making compositions, materials including compositions, crayons including compositions, paint including compositions, ink including compositions, waxes including compositions, polymers including compositions, vesicles including the compositions, methods of making each, and the like are disclosed. | 05-17-2012 |
20120119144 | LUMINANCE MATERIAL AND MANUFACTURING METHOD AND MANUFACTURE APPARATUS THEREOF - A method for preparing an ester is provided. The method includes steps of mixing an acid and an alcohol in a reactive distillation column to generate a first gas mixture; transporting the first gas mixture out of the reactive distillation column; cooling down the first gas mixture for a phase separation to obtain a first liquid mixture in an upper phase; transporting the first liquid mixture back to the reactive distillation column; obtaining a second liquid mixture at a middle section of the reactive distillation column; transporting the second liquid mixture to a separative distillation column; and obtaining the ester at a bottom section of the separative distillation column. | 05-17-2012 |
20120126171 | Crystal Growth Atmosphere For Oxyorthosilicate Materials Production - A method of growing a rare-earth oxyorthosilicate crystal, and crystals grown using the method are disclosed. The method includes preparing a melt by melting a first substance including at least one first rare-earth element and providing an atmosphere that includes an inert gas and a gas including oxygen. | 05-24-2012 |
20120126172 | LUMINESCENT BORATE GLASS AND PREPARATION METHOD THEROF - A luminescent borate glass and a preparation method thereof are disclosed. The preparation method includes: weighing raw materials according to a composition of the formula: aM | 05-24-2012 |
20120138854 | GREEN LUMINESCENT GLASS FOR ULTRAVIOLET LED AND PREPARATION METHOD THEREOF - A green luminescent glass for ultraviolet LED and a preparation method for glass are disclosed. The preparation method includes: weighing raw materials of CaCO | 06-07-2012 |
20120199791 | BISMUTH ION SENSITIZED RARE EARTH GERMANATE LUMINESCENCE MATERIALS AND PREPARATION METHODS THEREOF - Bismuth ion sensitized rare earth germanate luminescence materials and preparation methods are disclosed. The luminescence materials are the compounds of the following general formula (Y | 08-09-2012 |
20120205584 | METHOD FOR PRODUCING A MAGNESIUM-ALPHA-SIALON-HOSTED PHOSPHOR - A method for producing a phosphor includes: providing a blend composed of: (i) a magnesium source; (ii) a silicon source; (iii) an aluminum source; (iv) an oxygen source; (v) a solid nitrogen source; (vi) an ammonium halide; and (vii) an activator ion source; coating the blend with an initiator to obtain a tablet; placing the tablet in a heat insulator; placing a ceramic powder between the tablet and the heat insulator; and heating the tablet to obtain a magnesium-alpha-SiAlON-hosted phosphor. | 08-16-2012 |
20120256125 | PREPARATION OF COMPLEX FLUORIDE AND COMPLEX FLUORIDE PHOSPHOR - A complex fluoride A | 10-11-2012 |
20120286202 | Organic/Inorganic Composite - The present invention provides an organic/inorganic composite containing an inorganic phase dispersed in an organic polymer, the inorganic phase comprises one or more metal atoms that are coordinated to at least one rare earth metal atom via oxygen. The composite contains at least 5 mass % of rare earth metal. This rare earth metal is dispersed in the inorganic phase. | 11-15-2012 |
20120298919 | METHOD OF MANUFACTURING BETA-SIALON - A method of manufacturing β-SiAlON represented by a general formula Si | 11-29-2012 |
20120305844 | BETA-SIALON FLUORESCENT MATERIAL, USES THEREOF, AND METHOD OF PRODUCING THE BETA-SIALON FLUORESCENT MATERIAL - The present invention provides a β-SiAlON phosphor that contains a β-SiAlON represented by a general formula Si | 12-06-2012 |
20120319045 | LUMINOUS NANO-GLASS-CERAMICS USED AS WHITE LED SOURCE AND PREPARING METHOD OF LUMINOUS NANO-GLASS-CERAMICS - A luminous nano-glass-ceramics used as white LED source and the preparing method of nano-glass-ceramics are provided. The glass is a kind of non-porous compact SiO | 12-20-2012 |
20130009095 | METHOD OF MANUFACTURING OXYNITRIDE PHOSPHOR - A method of manufacturing an oxynitride phosphor is revealed. A precursor is sintered under 0.1-1000 MPa nitrogen pressure for synthesis of an oxynitride phosphor. The general formula of the oxynitride phosphors is M | 01-10-2013 |
20130009096 | OXYNITRIDE PHOSPHOR AND METHOD OF MANUFACTURING THE SAME - An oxynitride phosphor and a method of manufacturing the same are revealed. The formula of the oxynitride phosphor is Ba | 01-10-2013 |
20130020533 | PRODUCTION METHOD OF SIALON-BASED OXYNITRIDE PHOSPHOR, AND SIALON-BASED OXYNITRIDE PHOSPHOR - A method for producing an α-sialon-based oxynitride phosphor includes a mixed powder blended such that the product is represented by the formula: M | 01-24-2013 |
20130020534 | SILICATE LUMINESCENT MATERIAL AND PRODUCTION METHOD THEREOF - A silicate luminescent material and the production method thereof are provided. The chemical formula of the silicate luminescent material is Re | 01-24-2013 |
20130026414 | SILICATE-BASED PHOSPHOR AND MANUFACTURING METHOD OF SILICATE-BASED PHOSPHOR - There are provide a silicate-based phosphor excellent in emission intensity and a manufacturing method of the same. A manufacturing method of a silicate-based phosphor is characterized by: introducing in a vessel raw material powders having a compound containing light-emitting ions selected from at least one of Eu, Ce, Mn, and Tb; and firing the raw material powders while supplying SiO | 01-31-2013 |
20130069004 | LUMINESCENT MATERIAL AND PREPARATION METHOD THEREOF - The formula of a luminescent material is NaY | 03-21-2013 |
20130069005 | TRANSPARENT GLASS CERAMIC EMITTING WHITE LIGHT AND PREPARATION METHOD THEREOF - A transparent glass ceramic emitting white light and preparation method thereof are provided. The chemical formula of the transparent glass ceramic is aSiO | 03-21-2013 |
20130075656 | OXIDE STANNATE LUMINESCENT MATERIAL AND PREPARATION METHOD THEREOF - A luminescent material and a preparation method thereof are provided. The said luminescent material is represented by the following chemical formula: Ln | 03-28-2013 |
20130075657 | HALOGEN SILICATE LUMINESCENT MATERIAL AND THE PREPARATION METHOD AND APPLICATION THEREOF - Disclosed is a halogen silicate luminescent material having a chemical structural formula of (N | 03-28-2013 |
20130075658 | FLUORESCENT POWDER OF HALOGEN SILICATE CONTAINING NANO-METAL PARTICLES AND PREPARATION METHOD THEREOF - Provided is a fluorescent powder of halogen-silicate containing nano-metal particles with the formula of CaX | 03-28-2013 |
20130075659 | LUMINESCENT MATERIAL OF SILICATE AND PREPARING METHOD THEREOF - A luminescent material of silicate is provided. The luminescent material has a formula of Ln | 03-28-2013 |
20130092876 | SILICATE LUMINESCENT MATERIALS AND PREPARATION METHODS THEREOF - Silicate luminescent materials and preparation methods thereof are provided. The luminescent materials are represented by the general formula: M | 04-18-2013 |
20130105733 | OXIDE LUMINESCENT MATERIALS AND PREPARATION METHODS THEREOF | 05-02-2013 |
20130105734 | RARE EARTH IONS DOPED ALKALI METAL SILICATE LUMINESCENT GLASS AND THE PREPARATION METHOD THEREOF | 05-02-2013 |
20130112919 | White Light Emitting Glass-Ceramic and Production Method Thereof - A white light emitting glass-ceramic. The chemical formula of the glass-ceramic is aSiO | 05-09-2013 |
20130119313 | SILICATE FLUORESCENT MATERIAL AND PREPARATION METHOD THEREOF - A silicate fluorescent material is provided. The general chemical formula of the luminescent material is Ln | 05-16-2013 |
20130140490 | Silicon Nitride Powder for Siliconnitride Phosphor, CaAlSiN3 Phosphor Using Same, Sr2Si5N8 Phosphor Using Same, (Sr, Ca)AlSiN3 Phosphor Using Same, La3Si6N11Phosphor Using Same, and Methods for Producing the Phosphors - Provided are: a silicon nitride powder for siliconitride phosphors with higher luminance, which can be used for a fluorescent display tube (VFD), a field emission display (FED), a plasma display panel (PDP), a cathode ray tube (CRT), a light emitting diode (LED), and the like; a CaAlSiN | 06-06-2013 |
20130168604 | GREEN LIGHT-EMITTING SILICATE PHOSPHOR - A green light-emitting silicate phosphor comprising Eu-activated strontium barium silicate which has a crystal phase of magnesium oxide or a merwinite crystal phase and contains 0.15 to 0.90 mol of magnesium per one mol of silicon gives a light emission stable at elevated temperatures. | 07-04-2013 |
20130168605 | NITRIDE PHOSPHORS WITH INTERSTITIAL CATIONS FOR CHARGE BALANCE - Phosphors comprising a nitride-based composition represented by the chemical formula: M | 07-04-2013 |
20130168606 | PHOSPHOR AND LIGHT-EMITTING EQUIPMENT USING PHOSPHOR - Phosphors include a CaAlSiN | 07-04-2013 |
20130181164 | OXYNITRIDE-BASED PHOSPHOR - Disclosure relates to a phosphor formed by using oxynitride having a good durability and possibly emits diverse color of light from green to yellow when using a blue emitting diode or a ultraviolet emitting diode as an excitation source. The phosphor includes a host material represented by the general formula of (Ca | 07-18-2013 |
20130221275 | HALO-SILICATE LUMINESCENT MATERIALS AND PREPARATION METHODS THEREOF - Halo-silicate luminescent materials and preparation methods thereof are provided. The said luminescent materials are represented by the following general formula: (Ba | 08-29-2013 |
20130256597 | PHOSPHOR AND METHOD FOR PREPARING SAME - According to one embodiment of the present invention, a phosphor has the following composition formula (1): [composition formula 1] Si | 10-03-2013 |
20130284975 | METHOD FOR PREPARING SILICATE PHOSPHOR AND THE SILICATE PHOSPHOR - The present disclosure relates to a method for preparing a silicate phosphor and the silicate phosphor. The method includes (1) a hydrothermal treatment step of obtaining a layered silicate substituted with a rare-earth metal by hydrothermally treating an aqueous solution as a reaction solution, the solution containing rare-earth metal ions, NaOH and silica, and (2) a calcinating step of forming a crystalline silicate by calcinating the layered silicate substituted with the rare-earth metal. According to the method for preparing the silicate phosphor, the silicate phosphors, which can be used as phosphors for LEDs in the aspects of high covalent character, high luminescent intensity and stability at high temperature, may be prepared by a simplified, economic process. Also, the silicate phosphors may selectively emit red, green or blue light by virtue of the substitution of a silicon position with rare-earth metals of various types. | 10-31-2013 |
20130284976 | METHOD FOR PRODUCING CRYSTALLINE MATERIAL - A method for producing a crystalline material comprising a step of firing a raw material mixture containing M | 10-31-2013 |
20130292609 | PHOSPHOR MANUFACTURING METHOD - A method for producing a silicate-based oxynitride phosphor, comprising a step of firing a raw material mixture while contacting the raw material mixture with a Si-containing gas containing gas phase Si to generate a silicate-based oxynitride phosphor. | 11-07-2013 |
20130306911 | Method of Producing Fluorescent Material Dispersed Glass and Fluorescent Material Dispersed Glass - A method of manufacturing fluorescent material-dispersed glass, comprising: performing production of a fluorescent material-dispersed gel utilizing sol-gel reaction and acid-base reaction by preparing a fluorescent material-dispersed sol containing silicon alkoxide, metal chloride and/or metal aklkoxide, and fluorescent material, and subsequently gelling the fluorescent material-dispersed sol; and performing production of a fluorescent material-dispersed glass by heating the fluorescent material-dispersed gel. | 11-21-2013 |
20130313478 | DOPED LOW-TEMPERATURE PHASE BARIUM METABORATE SINGLE CRYSTAL, THE MANUFACTURING METHOD THEREOF AND WAVE CHANGING ELEMENTS THEREFROM - The present invention relates generally to the field of synthetic crystal, and more particularly, this invention relates to doped low-temperature phase barium metaborate single crystal, growth method and frequency-converter. Molten salt method was adopted. The single crystal completely overcome the shortcomings of BBO with strong deliquescence, almost no deliquescence; its frequency doubling effect and optical damage threshold has improved greatly compared with the BBO; its hardness increased significantly, the single crystal with Shore hardness of 101.3 and Mohs hardness of 6, however, BBO with Shore hardness of 71.2 and Mohs hardness of 4. From the UV-Vis region transmittance curves tests, the cut-off wavelength of the single crystal is 190 nm, wavelength of absorption onset is 205 nm. BBSAG is widely applied in the fields of laser and nonlinear optics, and in terms of frequency-converter of ultraviolet and deep-ultraviolet due to its excellent properties better than BBO. | 11-28-2013 |
20130320261 | METHOD FOR PREPARING PHOSPHOR - A method for preparing a phosphor that comprises a crystalline oxide having M | 12-05-2013 |
20140001403 | PHOSPHORS AND LIGHT EMITTING APPARATUS | 01-02-2014 |
20140001404 | FLUORESCENT MATERIAL OF LIGHT-EMITTING DIODE AND METHOD FOR PREPARING THE SAME | 01-02-2014 |
20140042365 | GREEN-EMITTING (OXY)NITRIDE-BASED PHOSPHORS AND LIGHT-EMITTING DEVICE USING THE SAME - A green-emitting phosphor having the formula A | 02-13-2014 |
20140048742 | FLUORESCENT SUBSTANCE AND A PRODUCTION METHOD THEREFOR - The fluorescent substance according to one embodiment of the present invention has the following compositional formula (1): [Compositional formula 1] Sr | 02-20-2014 |
20140054500 | PROCESS FOR PRODUCTION OF FLUORESCENT SUBSTANCE - The embodiment provides a process for production of an oxynitride fluorescent substance. In the process, a compound represented by the formula: (Sr,Eu) | 02-27-2014 |
20140097385 | DENSE HIGH-SPEED SCINTILLATOR MATERIAL OF LOW AFTERGLOW - The invention relates to an inorganic scintillator material of formula Lu | 04-10-2014 |
20140110632 | COMPOUND OF PHOSPHOR AND THE MANUFACTURING METHOD THEREOF - Provided is a metal oxonitridosilicate phosphor of a general formula M | 04-24-2014 |
20140124702 | Persistent Phosphorescent Composite Material - The invention relates to a persistent phosphorescent ceramic composite material which is a sintered dense body comprising two or more phases, a first phase consisting of at least one metal oxide and a second phase consisting of a metal oxide containing at least one activating element in a reduced oxidation state. The invention furthermore relates to a method for the preparation of a phosphorescent ceramic composite material as defined in any of the previous claims, the method comprising the following steps: preparing a mixture of a metal oxide and a phosphor; fabricating a green body from the mixture; and heat treating the green body in a reducing atmosphere. | 05-08-2014 |
20140138583 | FLUORESCENT SUBSTANCE AND LIGHT-EMITTING DEVICE EMPLOYING THE SAME - The present invention provides a fluorescent substance excellent both in quantum efficiency and in temperature characteristics, and also provides a light-emitting device utilizing the fluorescent substance. This fluorescent substance contains an inorganic compound comprising a metal element M, a trivalent element M | 05-22-2014 |
20140166932 | TITANIUM DOPED TERNARY SYSTEM SILICATE FILM, PREPARATION METHOD AND APPLICATION THEREOF - A titanium doped ternary system silicate film is provided, wherein the titanium doped ternary system silicate film has the general formula, of Ca | 06-19-2014 |
20140183411 | RED PHOSPHOR, METHOD FOR PRODUCING RED PHOSPHOR, WHITE LIGHT SOURCE, ILLUMINATING DEVICE, AND LIQUID CRYSTAL DISPLAY DEVICE - A compound is provided containing silicon, aluminum, strontium, europium, nitrogen, and oxygen is used that enables a red phosphor having strong luminous intensity and high luminance to be obtained, and that enables the color gamut of a white LED to be increased with the use of the red phosphor. The red phosphor contains an element A, curopium, silicon, aluminum, oxygen, and nitrogen at the atom number ratio of the following formula: [A | 07-03-2014 |
20140191159 | METHOD OF STABILIZING ALPH-SIALON PHOSPHOR RAW POWDER, ALPH-SIALON PHOSPHOR COMPOSITION OBTAINED THEREFROM, AND METHOD OF MANUFACTURING ALPHA-SIALON PHOSPHOR - Disclosed herein is a method of stabilizing alpha-sialon phosphor raw powder, including the steps of: mixing alpha-sialon phosphor raw powder including Si | 07-10-2014 |
20140197362 | LI-CONTAINING --a-- or --ALPHA-- SIALON-BASED PHOSPHOR, PRODUCTION PROCESS THEREOF, LIGHTING DEVICE AND IMAGE DISPLAY DEVICE - An Li-containing α-sialon-based phosphor represented by the formula (1): Li | 07-17-2014 |
20140246623 | NITRIDE PHOSPHOR AND METHOD FOR MANUFACTURING THE SAME - Problem to be solved is to provide a nitride phosphor having enhanced luminance, internal quantum efficiency and external quantum efficiency compared to those of conventional nitride phosphors. The nitride phosphor is represented by the general formula (1) shown below and it is characterized in that the infrared spectroscopy measured by the diffuse reflection method at the measurement intervals of 2 cm | 09-04-2014 |
20140252272 | DENTAL RESTORATION, METHOD FOR ITS PRODUCTION AND INGOT - The invention refers to a method for producing a dental restoration comprising a lithium silicate glass or glass ceramic as well as a dental restoration inself. The invention further refers to a ingot with the same composition having a defined strength. | 09-11-2014 |
20140264169 | RED LIGHT-EMITTING FLUORESCENT SUBSTANCE AND LIGHT-EMITTING DEVICE EMPLOYING THE SAME - The embodiment provides a red light-emitting fluorescent substance represented by the following formula (1): | 09-18-2014 |
20140264170 | OXYNITRIDE PHOSPHOR POWDER, SILICON NITRIDE POWDER FOR PRODUCTION OF OXYNITRIDE PHOSPHOR POWDER, AND PRODUCTION METHOD OF OXYNITRIDE PHOSPHOR POWDER - An oxynitride phosphor powder contains α-SiAlON and aluminum nitride, obtained by mixing a silicon source, an aluminum source, a calcium source, and a europium source to produce a composition represented by a compositional formula: Ca | 09-18-2014 |
20140291580 | CERIUM DOPED RARE-EARTH ORTOSILICATE MATERIALS HAVING DEFECTS FOR IMPROVEMENT OF SCINTILLATION PARAMETERS - The present invention is a creation of advanced scintillation materials having emission maximum in the range of about 400-450 nm and based on cerium doped a rare-earth oxyorthosilicate including LFS, LSO, LYSO, LGSO, GSO crystals having defects in comparison with ideal crystal structure, and said defects change the optical transmission and absorption spectra in the range about of 200-340 nm. The picks of maximum absorptions characterised in that the ratio of A(λ | 10-02-2014 |
20140332721 | SILICATE LUMINESCENT MATERIALS DOPED WITH METAL NANO PARTICLES AND PREPARATION METHODS THEREFOR - The invention belongs to the field of luminescent materials. Disclosed are silicate luminescent materials doped with metal nano particles and preparation methods there for. The silicate luminescent materials doped with metal nano particles are represented by the chemical formula:MLn | 11-13-2014 |
20150069298 | SCINTILLATOR SINGLE CRYSTAL, HEAT TREATMENT PROCESS FOR PRODUCTION OF SCINTILLATOR SINGLE CRYSTAL, AND PROCESS FOR PRODUCTION OF SCINTILLATOR SINGLE CRYSTAL - The scintillator single crystal of the invention comprises a cerium-activated orthosilicate compound represented by the following formula (1). | 03-12-2015 |
20150076406 | Emissive Compacts and Method of Making the Same - Some phosphor powders can be difficult to form into ceramic compacts because they are difficult to sinter. As described herein, phosphor powders that can degrade under conventional sintering temperatures can be sintered by heating the powder at a lower temperature, such as less than 800° C., while the powder is under greater than atmospheric pressure, such as at least 0.05 GPa. Phosphor ceramic compacts prepared by this method, and light-emitting devices incorporating these phosphor ceramic compacts, are also described. | 03-19-2015 |
20150083965 | CORE-SHELL STRUCTURED SILICATE LUMINESCENT MATERIAL AND PREPARATION METHOD THEREFOR - A core-shell structured silicate luminescent material and a preparation method thereof. The molecular formula of the luminescent material is: MLn | 03-26-2015 |
20150083966 | FLUOROPHOR AND METHOD FOR PRODUCTION THEREOF AND ILLUMINATOR - A fluorophor includes: α-type sialon crystal which is expressed by a general formula: (Li | 03-26-2015 |
20150102260 | TITANATE LUMINESCENT MATERIAL AND PREPARATION METHOD THEREFOR - A titanate luminescent material has a formula of A | 04-16-2015 |
20150102261 | PHOSPHOR MIXTURE HAVING OPTIMIZED COLOR RENDERING PROPERTIES AND EMISSION INTENSITY OF EMITTED LIGHT IN VISIBLE REGION - A phosphor mixture comprising at least two phosphors A, B which give an emission spectrum having the maximum emission peak in the visible region, in which a wavelength of the maximum emission peak of the phosphor A differs from that of the maximum emission peak of the phosphor B by not more than 50 nm, and in which the maximum emission peak of the phosphor A has an emission intensity less than that of the phosphor B and the maximum emission peak of the phosphor A shows a half-width more than a half-width of that of the phosphor B gives an light emission having the maximum emission peak whose emission intensity is higher than that of the phosphor A and whose half-width is broader than that of the phosphor B. | 04-16-2015 |
20150115201 | METAL NANOPARTICLE-COATING TITANATE FLUORESCENT MATERIAL AND PREPARATION METHOD THEREFOR - Provided in the present invention is a metal nanoparticle-coating titanate fluorescent material, which has a molecular formula of A | 04-30-2015 |
20150123034 | Melt Stabilization and Vapor-Phase Synthesis of Cesium Germanium Halides - The method described herein allows for melt stabilization and vapor-phase synthesis of a cesium germanium halide utilizing germanium dihalides formed in situ. This disclosure allows for the melting of cesium germanium halides without decomposition, which allows for growing crystals of these materials from the melt. This disclosure allows for a direct synthesis of these materials without the use of water or the introduction of other possible contaminants. | 05-07-2015 |
20150129802 | METAL NANOPARTICLE-COATING SILICATE LUMINESCENT MATERIAL AND PREPARATION METHOD THEREFOR - Disclosed is a metal nanoparticle-coating silicate luminescent material, which has a molecular formula of Li | 05-14-2015 |
20150129803 | STANNATE FLUORESCENT MATERIAL AND METHOD FOR PREPARING SAME - The present invention provides a stannate fluorescent material having a formula: A | 05-14-2015 |
20150299565 | SILICATE PHOSPHOR AND METHOD FOR PRODUCING THE SAME - Provided are a blue phosphor and a method of easily producing the phosphor, the phosphor being excited at a wavelength of about 400 nm, which is an emission wavelength of a near-ultraviolet LED, to emit high-intensity light and having a small change of emission intensity due to a change of an excitation wavelength. The phosphor is silicate phosphor that is represented by a composition formula of Ba | 10-22-2015 |
20150307775 | METHOD OF PREPARING A COMPOSITE ARTICLE AND COMPOSITE ARTICLE - A method of preparing a composite article and the composite article prepared thereby are disclosed. The method comprises combining a precursor compound and nanoparticles produced via a plasma process to form a composition. The method further comprises forming the composite article from the composition. The composite article comprises a host matrix comprising SiO | 10-29-2015 |
20150315461 | PROCESS FOR PREPARING RED-EMITTING PHOSPHORS - A process for preparing a Mn | 11-05-2015 |
20150322338 | METHOD OF MANUFACTURING FLUORIDE PHOSPHOR - A method of manufacturing a fluoride phosphor includes mixing a first solution which contains at least Mn and F, a second solution which contains at least K and F, and a third solution which contains at least Si and F to form phosphor cores whose composition is represented by a formula K | 11-12-2015 |
20150344775 | RARE EARTH ALUMINUM GARNET-TYPE INORGANIC OXIDE, PHOSPHOR AND LIGHT-EMITTING DEVICE USING SAME - An inorganic oxide of the present invention has a composition represented by General formula (1): M | 12-03-2015 |
20150361338 | METHOD FOR PREPARING PHOTOLUMINESCENT CARBON NANODOTS - A method for preparing photoluminescent carbon nanodots includes preparing and drying a sample, ashing the sample, extracting the ashed sample with solvent, filtering the extracted sample, concentrating the filtered sample, dissolving the sample in water, and freeze-drying the dissolved sample. The sample is preferably a food waste residue or animal excrement. | 12-17-2015 |
20150368556 | METHOD OF SYNTHESIZING COMPOSITE PHOSPHOR BY PHASE TRANSITION - A method of synthesizing a composite phosphor by phase transition, characterized by controlling the sintering temperature and duration, changing M | 12-24-2015 |
20150376497 | GREEN-EMITTING, GARNET-BASED PHOSPHORS IN GENERAL AND BACKLIGHTING APPLICATIONS - Disclosed herein are green-emitting, garnet-based phosphors having the formula (Lu | 12-31-2015 |
20160009989 | Stable Phosphors for Lighting Applications | 01-14-2016 |
20160017222 | PHOSPHOR AND METHOD OF PREPARING SAME - Disclosed is a phosphor including at least one of a nitride and an oxynitride, wherein the nitride and the oxynitride contain an alkaline-earth metal element, silicon, and an activator element. wherein the phosphor has a volume average particle diameter of greater than or equal to about 50 nm and less than or equal to about 400 nm and an inner quantum efficiency of greater than or equal to about 60% at an excitation wavelength of about 450 nm. The method of preparing a phosphor includes a precursor preparation process of preparing a phosphor precursor particles including a silicon nitride particles, a compound containing an alkaline-earth metal element, and a compound containing an activator element, wherein the compound containing an alkaline-earth metal element and the compound containing an activator element are deposited on the surface of the silicon nitride particles; and a firing process of firing the phosphor precursor particles. | 01-21-2016 |
20160024379 | METHOD FOR PRODUCING NITRIDE PHOSPHOR, SILICON NITRIDE POWDER FOR NITRIDE PHOSPHOR, AND NITRIDE PHOSPHOR - A nitride phosphor includes a (Ca,Sr)AlSiN | 01-28-2016 |
20160060515 | METHOD OF MAKING EU2+ ACTIVATED INORGANIC RED PHOSPHOR - A method of manufacturing an Eu | 03-03-2016 |
20160060516 | OXYNITRIDE PHOSPHOR POWDER AND METHOD FOR PRODUCING SAME - An oxynitride phosphor powder has a fluorescence peak wavelength of 610 to 625 nm and also has higher external quantum efficiency than the conventional one. The oxynitride phosphor powder includes an α-type SiAlON and aluminum nitride, represented by the compositional formula: Ca | 03-03-2016 |
20160122632 | RED PHOSPHOR - A red phosphor has a peak of emission spectra of 600 and 650 nm, a peak width of up to 10 nm, and a fluorescence lifetime of at least five milliseconds at room temperature and is made of a Mn-activated complex fluoride phosphor represented by the following formula (1): | 05-05-2016 |
20160122633 | METHOD FOR TREATING MN-ACTIVATED COMPLEX FLUORIDE PHOSPHOR - A method for treating a Mn-activated complex fluoride phosphor is provided wherein a preliminarily-prepared red phosphor of a Mn-activated complex fluoride represented by the following formula (1): | 05-05-2016 |
20160122640 | Silicon Precursors for Sunthesizing Multi-Elemental Inorganic Silicon-Containing Materials and Methods of Synthesizing Same - A method for making silicon materials includes providing a multi-elemental water-soluble precursor solution comprising at least one silicon precursor and applying a heat source to the silicon precursor to form a multi-elemental silicon material. A composition, light emitting element and light emitting device including the silicon materials made in accordance with the method are described. | 05-05-2016 |
20160152515 | Phosphor-Dispersed Glass and Method for Producing Same | 06-02-2016 |
20160152891 | PHOSPHORS | 06-02-2016 |
20160186053 | METHOD OF MANUFACTURING FLUORIDE PHOSPHOR, WHITE LIGHT EMITTING APPARATUS, DISPLAY APPARATUS, AND LIGHTING DEVICE - A method of manufacturing a fluoride phosphor, the method comprising: preparing a hydrofluoric (HF) solution in which a first source material and a fluoride containing Mn | 06-30-2016 |
20170233648 | Method of Increasing the Luminescence Efficiency of Titanium-Doped Oxide Crystal | 08-17-2017 |