Class / Patent application number | Description | Number of patent applications / Date published |
2523014P0 | Phosphorus containing | 39 |
20080265207 | Phosphor Composition for a Low-Pressure Discharge Lamp with High Color Temperature - A phosphor composition for a low-pressure discharge lamp with a high light yield and a high color temperature contains phosphors which emit in the red wavelength region, including yttrium oxide doped with europium or gadolinium-zinc-magnesium pentaborate doped with cerium and manganese, phosphors which emit in the green wavelength region including lanthanum phosphate doped with cerium and terbium and/or cerium-magnesium aluminate doped with terbium and/or cerium-magnesium pentaborate doped with terbium, and optionally a phosphor which emits in the blue wavelength region of the barium-magnesium aluminate doped with europium type. The phosphor composition additionally contains at least one phosphor which emits in the blue or blue-green wavelength region selected from the group consisting of manganese-strontium-barium-magnesium aluminate doped with manganese and europium or barium-magnesium aluminate doped with europium and manganese and strontium aluminate doped with europium and strontium-barium-calcium chloroapatite doped with europium and strontium borophosphate doped with europium. | 10-30-2008 |
20080265208 | Functional infrared flourescent particle - An infrared fluorescent particle comprising a functional group or a substance that is capable of binding to an analyte, wherein fluorescence at infrared wavelength is emitted from the particle upon exposure of the particle to excitation light at infrared wavelength. The infrared fluorescent particle of the present invention is capable of binding to the analyte. Due to a high penetration of the fluorescence and the excitation light into biological substances, the infrared fluorescent particle of the present invention can reduce an influence of luminescence, light absorption or light scattering which is occurred due to the analyte and the surrounding substances. | 10-30-2008 |
20090014684 | LONG AFTERGLOW LUMINESCENT MATERIAL WITH COMPOUNDED SUBSTRATES AND ITS PREPARATION METHOD - The present invention provides a new ultra-long after-glow phosphorescent material and manufacturing method for the same. The said materials include a phosphor including aMS.bM | 01-15-2009 |
20090166586 | Long After-Glow Photoluminescent Material - The present invention provides a photoluminescent material comprising a composition of: aL. bm. cAL. dSi. pP. O. :fR Formula (I) wherein L is selected from Na and/or K; M is a divalent metal selected from one or more of the group consisting of Sr, Ca, Mg and Ba; Al, Si, P and O represent their respective elements; R is selected from one or more rare earth element activators; and wherein the variables a, b, c, d, p and f are: 0.0 | 07-02-2009 |
20100155666 | PHOSPHOR COMPOSITE MATERIAL AND PHOSPHOR COMPOSITE MEMBER - Disclosed is a phosphor composite material which can be fired at low temperatures and enables to obtain a phosphor composite member which is excellent in weather resistance and reduced in deterioration after long use. Also disclosed is a phosphor composite member obtained by firing such a phosphor composite material. Specifically disclosed is a phosphor composite material composed of a glass powder and a phosphor powder, which is characterized in that the glass powder is composed of SnO—P | 06-24-2010 |
20100171076 | NEAR-INFRARED LIGHT-EMITTING PHOSPHOR NANOPARTICLES, METHOD FOR MANUFACTURING THE SAME, AND BIOLOGICAL SUBSTANCE LABELING AGENT EMPLOYING THE SAME - Disclosed are near-infrared light-emitting phosphor nanoparticles with an extremely small particle size, which emit light with a high intensity of emission and which are suitable for a biological substance labeling agent, a method for manufacturing the same, and a biological substance labeling agent employing the same. The near-infrared light-emitting phosphor nanoparticles of the invention are near-infrared light-emitting phosphor nanoparticles with an average particle size of from 2 to 50 nm, which when excited by a near-infrared light with a wavelength in the range of from 700 to 900 nm, emit a near-infrared light with a wavelength in the range of from 700 to 2000 nm, the nanoparticles being characterized in that at least a part of the composition is represented by a specific formula. | 07-08-2010 |
20110057148 | GREEN PHOSPHOR AND PLASMA DISPLAY PANEL INCLUDING THE SAME - A green phosphor, a plasma display panel (PDP) including the same, and a method for making the same. In one example, the green phosphor includes strontium (Sr); aluminum (Al); europium (Eu); and at least one element (M) selected from the group consisting of phosphorous (P), arsenic (As), antimony (Sb), and bismuth (Bi). | 03-10-2011 |
20110114886 | RARE-EARTH PHOSPHATE COLLOIDAL DISPERSION, METHOD FOR THE PRODUCTION THEREOF AND A TRANSPARENT LUMINESCENT MATERIAL OBTAINABLE FROM SAID DISPERSION - The invention relates to a colloidal dispersion comprising rhabdophane-structured rare-earth phosphate particles (Ln) and a polyphosphate. Said dispersion is prepared by a method consisting in forming a medium comprising at least one type of rare-earth salt and a poly phosphate in such quantities that the P/Ln ratio is equal to or higher than 3, in heating the thus obtained medium and in removing residual salts, thereby obtaining said dispersion. Said invention also relates to a transparent luminescent material which is obtainable from said dispersion and based on the rare-earth phosphate particles and a polyphosphate and whose P/Ln ratio is higher than 1, to a luminescent system comprising said material and to an excitation source. | 05-19-2011 |
20110133124 | SUSPENSIONS OF PHOSPHATES OF AT LEAST ONE RARE EARTH ELEMENT SELECTED FROM AMONG CERIUM AND TERBIUM AND OPTIONALLY LANTHANUM AND LUMINOPHORES PRODUCED THEREFROM - Phosphate particulates of at least one rare-earth metal (Ln), with Ln being at least one rare-earth metal selected from among cerium and terbium and optionally lanthanum are in the form of a suspension in a liquid phase of primary isotropic monocrystalline monazite particles having an average size of at least 25 nm and agglomerated into secondary particles having an average size of at most 400 nm; useful luminophores are produced from such phosphate particulates. | 06-09-2011 |
20110193024 | Metal sulfide and rare-earth phosphate nanostructures and methods of making same - The present invention provides a method of producing a crystalline metal sulfide nanostructure. The method comprising: providing a metal precursor solution and providing a sulfur precursor solution; placing a porous membrane between the metal precursor solution and the sulfur precursor solution, wherein metal cations of the metal precursor solution and sulfur ions of the sulfur precursor solution react, thereby producing a crystalline metal sulfide nanostructure, wherein the metal is a transitional metal or a Group IV metal. | 08-11-2011 |
20110215275 | METHODS USING SURFACTANTS TO CONTROL UNINTENTIONAL DOPANT IN SEMICONDUCTORS - The use of surfactants that do not themselves act as dopants and are isoelectronic with either the group III or group V host atoms during OMVPE growth significantly reduces the incorporation of background impurities such as carbon, oxygen, sulfur and/or silicon. For example, the use of the surfactants Sb or Bi significantly reduces the incorporation of background impurities such as carbon, oxygen, sulfur and/or silicon during the OMVPE growth of III/V semiconductor materials, for example GaAs, GaInP, and GaP layers. As a result, an effective method for controlling the incorporation of impurity atoms is adding a minute amount of surfactant during OMVPE growth. | 09-08-2011 |
20110272632 | CERIUM AND/OR TERBIUM PHOSPHATE OPTIONALLY WITH LANTHANUM, PHOSPHOR RESULTING FROM SAID PHOSPHATE AND METHODS FOR PREPARING SAME - A rare earth (Ln) phosphate is described, wherein Ln is either: (1) at least one rare earth selected from cerium and terbium, or (2) lanthanum in combination with at least one of the two above-mentioned rare earths, and wherein the phosphate has a crystalline structure of the monazite type with a potassium content of at most 6000 ppm. The phosphate can be obtained by the precipitation of a rare earth chloride at a constant pH lower than 2, by calcination at a temperature of at least 700° C. and by redispersion in hot water. A phosphor obtained by calcination of said phosphate at at least 1000° C. is also described. | 11-10-2011 |
20110272633 | CERIUM AND/OR TERBIUM PHOSPHATE OPTIONALLY WITH LANTHANUM, PHOSPHOR RESULTING FROM SAID PHOSPHATE AND METHODS FOR PREPARING SAME - A rare earth (Ln) phosphate is described, wherein Ln is either: ( | 11-10-2011 |
20110272634 | CERIUM AND/OR TERBIUM PHOSPHATE OPTIONALLY WITH LANTHANUM, PHOSPHOR RESULTING FROM SAID PHOSPHATE AND METHODS FOR MAKING SAME - A rare earth element phosphate (Ln) is described, wherein Ln is either: (1) at least one rare earth element selected from cerium and terbium, or (2) lanthanum in combination with at least one of the above two rare earth elements, and wherein the phosphate has a crystalline structure either of the rhabdophane type with a sodium content of at most 6000 ppm, or of the monazite type with a sodium content of at most 4000 ppm. The phosphate can be obtained by the precipitation of a rare earth element chloride at a constant pH lower than 2, and then calcining and redispersing the same in hot water. A phosphor obtained by calcining the phosphate at at least 1000° C. is also described. | 11-10-2011 |
20110272635 | CERIUM AND/OR TERBIUM PHOSPHATE, OPTIONALLY WITH LANTHANUM, PHOSPHOR RESULTING FROM SAID PHOSPHATE AND METHODS FOR PREPARING SAME - A rare earth element phosphate (Ln) is described, wherein Ln is either: (1) at least one rare earth element selected from cerium and terbium, or (2) lanthanum in combination with at least one of the above two rare earth elements, and wherein the phosphate has a crystalline structure of the rhabdophane type or of the monazite type with a lithium content of at most 300 ppm. The phosphate is obtained by the precipitation of a rare earth element chloride at a constant pH lower than 2, and then calcining and redispersing the same in hot water. A phosphor obtained by calcining the phosphate at at least 1000° C. is also described. | 11-10-2011 |
20120025137 | CORE/SHELL LANTHANUM CERIUM TERBIUM PHOSPHATE, PHOSPHOR CONTAINING SAID PHOSPHATE, AND PREPARATION METHODS - A phosphate containing particles including a mineral core and a lanthanum cerium terbium phosphate shell uniformly coating the mineral core with a thickness greater than or equal to 300 nm is described. The particles can have a mean diameter between 3 μm and 6 μm and the lanthanum cerium terbium phosphate can have the following general formula (1): La | 02-02-2012 |
20120025138 | FLUORESCENT SUBSTANCE AND PROCESS FOR PRODUCING THE SAME - A fluorescent substance which excels in light-emitting characteristics and versatility, and which can emit light stably, and a lamp using the same are provided at a low cost. Such a fluorescent substance consists of a fluorescent substance which mainly consists of a garnet structure and an element of group V added thereto. Preferably, the fluorescent substance includes a fluorescent substance having a garnet structure in which yttrium.aluminum.garnet (Y | 02-02-2012 |
20120112130 | GREEN-EMITTING, GARNET-BASED PHOSPHORS IN GENERAL AND BACKLIGHTING APPLICATIONS - Disclosed herein are green-emitting, garnet-based phosphors having the formula (Lu | 05-10-2012 |
20120138855 | ILLUMINATING DEVICE AND PHOSPHOR COMPOSITE MATERIAL - Disclosed is a phosphor composite material which can be fired at low temperatures and enables to obtain a phosphor composite member which is excellent in weather resistance and reduced in deterioration after long use. Also disclosed is a phosphor composite member obtained by firing such a phosphor composite material. Specifically disclosed is a phosphor composite material composed of a glass powder and a phosphor powder, which is characterized in that the glass powder is composed of SnO—P | 06-07-2012 |
20120153225 | MATERIAL OF PHOSPHORUS-DOPED LITHIUM TITANIUM OXIDE WITH SPINEL STRUCTURE AND METHOD OF MANUFACTURING THE SAME - A material of phosphorus-doped lithium titanium oxide with spinel structure includes a plurality of lithium titanium oxide particles, wherein a portion or the entirety of the surface layer of the lithium titanium oxide particle is doped with phosphorus. The surface layer is from 1 to 10 nanometers in thickness. Alternatively, the entire lithium titanium oxide particle can be doped with phosphorus. The material can be in powdered form, including a plurality of micro-scale particles each constituted by a plurality of the lithium titanium oxide particles. | 06-21-2012 |
20120175557 | NANO-YAG:CE PHOSPHOR COMPOSITIONS AND THEIR METHODS OF PREPARATION - Disclosed herein are cerium doped, garnet phosphors emitting in the yellow region of the spectrum, and having the general formula (Y,A) | 07-12-2012 |
20120241672 | COMPOSITION COMPRISING A CERIUM AND/OR TERBIUM PHOSPHATE AND SODIUM, OF CORE/SHELL TYPE, PHOSPHOR RESULTING FROM THIS COMPOSITION AND METHODS FOR PREPARING SAME - The composition of the invention is of the type comprising particles formed by a mineral core and a shell that covers the mineral core uniformly, said shell being based on a phosphate of cerium and/or of terbium, optionally with lanthanum. The composition is characterized in that it contains sodium at a concentration of at most 7000 ppm. The phosphor of the invention is obtained by calcination of the composition at at least 1000 DEG C. | 09-27-2012 |
20120286205 | BOROSILICATE LUMINESCENT MATERIAL AND PREPARING METHOD THEREOF - Provided are a borosilicate luminescent material and a preparing method thereof. The borosilicate luminescent material has a chemical formula of aM | 11-15-2012 |
20120292570 | TERBIUM DOPED PHOSPHATE-BASED GREEN LUMINESCENT MATERIAL AND PREPARATION METHOD THEREOF - Terbium doped phosphate-based green luminescent material and preparation method thereof are provided. The chemical formula of the material is M | 11-22-2012 |
20130020535 | PHOSPHORESCENT PHOSPHOR AND PHOSPHORESCENT PIGMENT - An object of the present invention is to provide a phosphorescent phosphor having an excellent afterglow luminance after 10 to 12 hours after sunset under the outdoor excitation conditions. The phosphorescent phosphor is represented by the formula (Sr | 01-24-2013 |
20130099161 | CORE/SHELL LANTHANUM CERIUM TERBIUM PHOSPHATE, AND PHOSPHOR HAVING IMPROVED THERMAL STABILITY AND INCLUDING SAID PHOSPHATE - A phosphate particle with a mean diameter of from 1.5 μm to 15 μm, which has an inorganic core and a shell that covers the inorganic core uniformly over a thickness of no less than 300 nm, is described. The shell can have a lanthanum cerium terbium phosphate of formula La | 04-25-2013 |
20130187093 | CORE-SHELL PHOSPHOR PRODUCED BY HEAT-TREATING A PRECURSOR IN THE PRESENCE OF LITHIUM TETRABORATE - A method of producing a phosphor is described in which a precursor including particles having an average diameter from 1.5 micrometers to 15 micrometers is heat-treated under a reducing atmosphere. The method can produce particles including a mineral core and a shell including a composite phosphate of lanthanum and/or cerium, optionally doped with terbium. The composite phosphate of lanthanum and/or cerium covers the mineral core uniformly over a thickness greater than or equal to 300 nm. The aforementioned heat treatment at a temperature of 1050° C. to 1150° C. and for a time period of 2 hours to 4 hours can involve the use of lithium tetraborate (Li | 07-25-2013 |
20130214204 | White-Light LED Red Phosphor and Method of Manufacturing the Same - A white-light LED red phosphor and method of manufacturing the same are provided. The luminescent materials are represented by the general formula: Ca | 08-22-2013 |
20130256598 | BISMUTH BORATE GLASS ENCAPSULANT FOR LED PHOSPHORS - Embodiments are directed to glass frits containing phosphors that can be used in LED lighting devices and for methods associated therewith for making the phosphor containing glass frit and their use in glass articles, for example, LED devices. | 10-03-2013 |
20140048743 | LUMINOPHORES AND CORE-SHELL LUMINOPHORE PRECURSORS - A novel type of green luminophore containing mixed rare-earth phosphates is produced from precursor particles having a mean diameter ranging from 1.5 to 15 microns; such particles have an inorganic core and a shell of a mixed lanthanum and/or cerium phosphate, optionally doped with terbium, evenly covering the inorganic core with a thickness greater than or equal to 300 nm. | 02-20-2014 |
20140124703 | BRIGHTNESS OF CE-TB CONTAINING PHOSPHOR AT REDUCED Tb WEIGHT PERCENTAGE - A phosphor material having reduced Tb content is disclosed, together with methods for preparing and using the same. | 05-08-2014 |
20140131619 | LUMINESCENT MATERIAL PARTICLES COMPRISING A COATING AND LIGHTING UNIT COMPRISING SUCH LUMINESCENT MATERIAL - The invention provides a a luminescent material comprising particles of UV-luminescent material having a coating, wherein the coating (a “multi-layer coating”) comprises a first coating layer and a second coating layer, wherein the first coating layer is between the luminescent material and the second coating layer, and wherein in a specific embodiment the second coating layer comprises an alkaline earth oxide, especially MgO. Further, the invention provides a lighting unit comprising such luminescent material. | 05-15-2014 |
20140306159 | RARE EARTH PHOSPHOVANADATE PHOSPHOR AND METHOD FOR PRODUCING THE SAME - Provided is a rare earth phosphovanadate phosphor that is excellent in emission characteristics and preferred also from the viewpoint of industrial production, and a production method thereof. The rare earth phosphovanadate phosphor includes at least a primary particle in which a linear uneven pattern including a plurality of ridge lines parallel to each other is formed on the surface of the particle. Further, the method for producing a rare earth phosphovanadate phosphor involves generating a mixture of a rare earth phosphovanadate phosphor and an alkali metal vanadate, and removing the alkali metal vanadate. | 10-16-2014 |
20140374658 | LUMINESCENT MATERIALS DOPED WITH METAL NANO PARTICLES AND PREPARATION METHODS THEREFOR - The invention belongs to the field of luminescent materials. Disclosed are luminescent materials doped with metal nano particles and preparation methods therefor. The luminescent materials doped with metal nano particles are represented by the chemical formula: A | 12-25-2014 |
20150123035 | RARE EARTH IONS DOPED SILICATE LUMINESCENT GLASS AND PREPARATION METHOD THEREOF - A rare earth ions doped luminescent silicate glass is provided having the general formula of: 45SiO | 05-07-2015 |
20150129804 | Phosphor Material and Manufacturing Method Thereof - A phosphor material manufacturing method includes: prefabricating a LaPO | 05-14-2015 |
20150137037 | METHOD FOR TREATING SURFACE OF PHOSPHOR, PHOSPHOR, LIGHT-EMITTING DEVICE, AND ILLUMINATION DEVICE - Provided are a method for treating the surface of a (Sr,Ca)AlSiN | 05-21-2015 |
20160051451 | HIGH-STRENGTH, TRANSLUCENT MG-HIGH QUARTZ MIXED CRYSTAL GLASS CERAMICS - The invention relates to the use of glass ceramics based on a high quartz mixed crystal system for dental purposes, which can be easily mechanically processed in an intermediate stage of crystallization and present high-strength, highly translucent and chemically stable glass ceramics following complete crystallization, wherein said glass or ceramics still have phosphorus and a transition metal compound, selected from titanium and zirconium or a mixture thereof. | 02-25-2016 |
20160102249 | PHOSPHOR AND METHOD FOR PRODUCING SAME - The object of the present invention is to provide an oxide-based phosphor comprising elements other than rare earth elements as light-emitting elements, with low material costs, while achieving high luminous efficacy. The means for achieving the object is a phosphor comprising the following (1) to (3): (1) zirconium oxide, (2) titanium, and (3) at least one element selected from the group consisting of phosphorus, selenium, boron, and silicon. | 04-14-2016 |