| Entries |
| Document | Title | Date |
|---|
| 20080258110 | PHOSPHOR COMPOSITION AND METHOD FOR PRODUCING THE SAME, AND LIGHT-EMITTING DEVICE USING THE SAME - A light-emitting device is produced using a phosphor composition containing a phosphor host having as a main component a composition represented by a composition formula: aM | 10-23-2008 |
| 20090121189 | SYNTHESIS OF BIO-FUNCTIONALIZED RARE EARTH DOPED UPCONVERTING NANOPHOSPHORS - Methods for preparing rare earth doped monodisperse, hexagonal phase upconverting nanophosphors, the steps of which include:
| 05-14-2009 |
| 20090140204 | Precursor compound and crystallised compound of the alkaline-earth aluminate type, and methods of preparing and using the crystallised compound as phosphor - The invention relates to an alkaline-earth-aluminate-type compound which is at least partially crystallised such as in the form of a beta- or tridymite-type alumina Said compound can be used as phosphor in plasma-type screens or in trichromatic lamps, backlights for liquid crystal displays or plasma excitation lighting or in light-emitting diodes. The invention also relates to a precursor compound of the aforementioned compound. | 06-04-2009 |
| 20090140205 | NITROGEN-CONTAINING ALLOY AND METHOD FOR PRODUCING PHOSPHOR USING THE SAME - There is provided a method for industrially producing a phosphor with high performance, in particular, high brightness. There is also provided a nitrogen-containing alloy and an alloy powder that can be used for the production method. A method for producing a phosphor includes a step of heating a raw material for the phosphor under a nitrogen-containing atmosphere, in which an alloy containing two or more different metal elements constituting the phosphor is used as the whole or part of the raw material for the phosphor, and in the heating step, the heating is performed under conditions such that the temperature change per minute is 50° C. or lower. | 06-04-2009 |
| 20090152497 | PERSISTENT PHOSPHOR - A long-lived phosphor composition is provided, along with methods for making and using the composition. More specifically, in one embodiment, the phosphor comprises a material having a formula of A | 06-18-2009 |
| 20090159848 | Fluorescent Substance - A light-emitting device with improved luminescence characteristics, particularly color-rendering properties, includes a phosphor. The phosphor includes a compound represented by formula aM | 06-25-2009 |
| 20100019202 | Two-Phase Silicate-Based Yellow Phosphor - Novel two-phase yellow phosphors are disclosed having a peak emission intensity at wavelengths ranging from about 555 nm to about 580 nm when excited by a radiation source having a wavelength ranging from 220 nm to 530 nm. The present phosphors may be represented by the formula a[Sr | 01-28-2010 |
| 20100025632 | 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 | 02-04-2010 |
| 20100127214 | METHOD OF PREPARING OXIDE-BASED NANOPHOSPHOR - A method of preparing oxide-based nanophosphor includes preparing a reaction mixture by dissolving reaction mixture components including a metal halide, an oleate, and a precipitation auxiliary compound in a solvent; irradiating the reaction mixture with microwave radiation to precipitate an oxide-based nanophosphor precursor; and sintering the oxide-based nanophosphor precursor. | 05-27-2010 |
| 20100133470 | ZnO-BASED SUBSTRATE AND METHOD OF TREATING ZnO-BASED SUBSTRATE - Provided are a ZnO-based substrate having a surface suitable for crystal growth, and a method of manufacturing the ZnO-based substrate. The ZnO-based substrate is made in a way that almost no hydroxide groups exist on a crystal growth-side surface of a Mg | 06-03-2010 |
| 20100176342 | LUMINESCENT MATERIAL - This invention relates to luminescent materials for ultraviolet light or visible light excitation containing lead and/or copper doped chemical compounds. The luminescent material is composed of one or more than one compounds of aluminate type, silicate type, antimonate type, germanate/or germanate-silicate type, and/or phosphate type. Accordingly, the present invention is a good possibility to substitute earth alkaline ions by lead and copper for a shifting of the emission bands to longer or shorter wave length, respectively. Luminescent compounds containing copper and/or lead with improved luminescent properties and also with improved stability against water, humidity as well as other polar solvents are provided. The present invention is to provide lead and/or copper doped luminescent compounds, which has high color temperature range about 2,000K to 8,000K or 10,000K and CRI over 90. | 07-15-2010 |
| 20100213414 | GREEN PHOSPHOR AND PLASMA DISPLAY PANEL - A green phosphor represented by Formula (A | 08-26-2010 |
| 20100308271 | MAGNESIUM-BASED COATINGS FOR NANOCRYSTALS - Semiconductor nanocrystal compositions comprising magnesium containing shells and methods of preparing them are described. The compositions provide strong emission in the blue and green wavelengths as well as chemical and photostability that have not been achieved with conventional shell materials. | 12-09-2010 |
| 20100327229 | LUMINESCENT SUBSTANCES HAVING Eu2+-DOPED SILICATE LUMINOPHORES - Exemplary embodiments of the present invention disclose inorganic luminescent substances with Eu | 12-30-2010 |
| 20110012061 | Semiconductor nanocrystal heterostructures - A semiconductor nanocrystal heterostructure has a core of a first semiconductor material surrounded by an overcoating of a second semiconductor material. Upon excitation, one carrier can be substantially confined to the core and the other carrier can be substantially confined to the overcoating. | 01-20-2011 |
| 20110057149 | LUMINESCENT MATERIAL AND LIGHT-EMITTING DEVICE - A luminescent material which is featured in that it exhibits an emission peak at a wavelength ranging from 490 to 580 nm as it is excited by light having a wavelength ranging from 250 to 500 nm and that it has a composition represented by the following general formula (2): | 03-10-2011 |
| 20110101275 | LUMINESCENT MATERIAL - This invention relates to luminescent materials for ultraviolet light or visible light excitation containing lead and/or copper doped chemical compounds. The luminescent material is composed of one or more than one compounds of aluminate type, silicate type, antimonate type, germanate/or germanate-silicate type, and/or phosphate type. Accordingly, the present invention is a good possibility to substitute earth alkaline ions by lead and copper for a shifting of the emission bands to longer or shorter wave length, respectively. Luminescent compounds containing copper and/or lead with improved luminescent properties and also with improved stability against water, humidity as well as other polar solvents are provided. The present invention is to provide lead and/or copper doped luminescent compounds, which has high color temperature range about 2,000K to 8,000K or 10,000K and CRI over 90. | 05-05-2011 |
| 20110147662 | STRONTIUM OXYORTHOSILICATE PHOSPHORS HAVING IMPROVED STABILITY UNDER A RADIATION LOAD AND RESISTANCE TO ATMOSPHERIC HUMIDITY - Exemplary embodiments of the present invention relate to inorganic phosphors based on silicate compounds having improved stability under a resulting radiation load and resistance to atmospheric humidity, which are capable of converting higher-energy excitation radiation, i.e. ultraviolet (UV) or blue light, with high efficiency into a longer-wavelength radiation which may be in the visible spectral range. A calcium molar fraction x having a value between 0 and 0.05 is added to a silicate phosphor having the general formula Sr | 06-23-2011 |
| 20110175029 | PERSISTENT PHOSPHOR - A persistent phosphor of formula I is provided, along with methods for making and using the phosphor: | 07-21-2011 |
| 20110204291 | LUMINESCENT MATERIAL - A luminescent material is disclosed. The luminescent material may include a first compound having a host lattice comprising first ions and oxygen. A first portion of the first ions may be substituted by copper ions. In one embodiment, the host lattice may include silicon, the copper ions may be divalent copper ions and the first compound may have an Olivine crystal structure, β-K | 08-25-2011 |
| 20110233468 | PROCESS OF FORMING A CADMIUM AND SELENIUM CONTAINING NANOCRYSTALLINE COMPOSITE AND NANOCRYSTALLINE COMPOSITE OBTAINED THEREFROM - Provided is a process of forming a Cd and Se containing nanocrystalline composite. The nanocrystalline composite has a composition of one of (a) Cd, M, Se, (b) Cd, Se, A, and (c) Cd, M, Se, A, with M being an element of group (12) of the PSE other than Cd and A being an element of group (16) of the PSE other than O and Se. In one embodiment in a suitable solvent a solution of the element Cd, or a precursor thereof, and, where applicable, of M, or a precursor thereof is formed. To the solution the element Se and, where applicable, A is added and thereby a reaction mixture formed. The reaction mixture is heated for a sufficient period of time at a temperature suitable for forming the Cd and Se containing nanocrystalline composite and then the reaction mixture is allowed to cool. Finally the Cd and Se containing nanocrystalline composite isolated. In another embodiment the reaction mixture is formed by adding into a suitable solvent the element Cd, or a precursor thereof, Se, where applicable M and where applicable A. In this embodiment the reaction mixture is heated and water formed during the process is being removed. | 09-29-2011 |
| 20110315927 | METHODS FOR PREPARATION OF NANOCRYSTALS USING A WEAK ELECTRON TRANSFER AGENT AND MISMATCHED SHELL PRECURSORS - Methods for preparing core/shell nanocrystals are provided, using mismatched shell precursors and an electron transfer agent to control the nucleation and growth phases of particle formation. | 12-29-2011 |
| 20120012789 | FLUORESCENT ZIRCONIA MATERIAL - It is provided a fluorescent zirconia material including a fluorescent component and emitting fluorescence when excited with a light of a predetermined wavelength, the fluorescent component including a fluorescent material, the fluorescent material including at least one kind of Y | 01-19-2012 |
| 20120025139 | II-III-V COMPOUND SEMICONDUCTOR - The present application provides a new composition of matter in the form of a new compound semiconductor family of the type group Zn-(II)-III-N, where III denotes one or more elements in Group III of the periodic table and (II) denotes one or more optional further elements in Group II of the periodic table. Members of this family include for example, ZnGaN, ZnInN, ZnInGaN, ZnAlN, ZnAlGaN, ZnAlInN or ZnAlGaInN. This type of compound semiconductor material is not previously known in the prior art. | 02-02-2012 |
| 20120037849 | PROCESS FOR PRODUCING FLUORESCENT SUBSTANCE AND FLUORESCENT SUBSTANCE PRODUCED THEREBY - The present invention provides a fluorescent substance excellent both in quantum efficiency and in temperature characteristics, and also provides a process for producing the fluorescent substance. This fluorescent substance is an oxynitride phosphor having a low paramagnetic defect density and comprising aluminum, silicon, either or both of oxygen and nitrogen, and a metal element M, provided that the metal element M is partly replaced with an emission center element R. That phosphor can be produced by the steps of: subjecting a mixture of starting materials to heat treatment under a nitrogen atmosphere so as to obtain an intermediate fired product, and then further subjecting the intermediate fired product to heat treatment under an atmosphere of nitrogen-hydrogen mixed gas. | 02-16-2012 |
| 20120104317 | PHOSPHOR AND MANUFACTURING METHOD THEREFORE, AND LIGHT EMISSION DEVICE USING THE PHOSPHOR - To provide a phosphor for manufacturing an one chip type LED illumination, etc, by combining a near ultraviolet/ultraviolet LED and a blue LED, and having an excellent emission efficiency including luminance. The phosphor is given as a general composition formula expressed by MmAaBbOoNn:Z, (where element M is one or more kinds of elements having bivalent valency, element A is one or more kinds of elements having tervalent valency, element B is one or more kinds of elements having tetravalent valency, O is oxygen, N is nitrogen, and element Z is one or more kinds of elements acting as an activator.), satisfying a=(1+x)×m, b=(4−x)×m, o=x×m, n=(7−x)×m, 0≦x≦1, wherein when excited by light in a wavelength range from 300 nm to 500 nm, the phosphor has an emission spectrum with a peak wavelength in a range from 500 nm to 620 nm. | 05-03-2012 |
| 20120104318 | METHOD FOR PRODUCING MAGNESIUM-CONTAINING ZINC OXIDE, MAGNESIUM-CONTAINING ZINC OXIDE, AND APPARATUS FOR PRODUCING SAME - Provided is an apparatus for producing magnesium-containing zinc oxide, including: zinc vapor producing means | 05-03-2012 |
| 20120145963 | Rare-Earth Oxyorthosilicate Scintillator Crystals and Method of Making Rare-Earth Oxyorthosilicate Scintillator Crystals - A method of making LSO scintillators with high light yield and short decay times is disclosed. In one arrangement, the method includes codoping LSO with cerium and another dopant from the IIA or IIB group of the periodic table of elements. The doping levels are chosen to tune the decay time of scintillation pulse within a broader range (between about ˜30 ns up to about ˜50 ns) than reported in the literature, with improved light yield and uniformity. In another arrangement, relative concentrations of dopants are chosen to achieve the desired light yield and decay time while ensuring crystal growth stability. | 06-14-2012 |
| 20120145964 | Rare-Earth Oxyorthosilicate Scintillator Crystals and Method of Making Rare-Earth Oxyorthosilicate Scintillator Crystals - A method of making LSO scintillators with high light yield and short decay times is disclosed. In one arrangement, the method includes codoping LSO with cerium and another dopant from the IIA or IIB group of the periodic table of elements. The doping levels are chosen to tune the decay time of scintillation pulse within a broader range (between about ˜30 ns up to about ˜50 ns) than reported in the literature, with improved light yield and uniformity. In another arrangement, relative concentrations of dopants are chosen to achieve the desired light yield and decay time while ensuring crystal growth stability. | 06-14-2012 |
| 20120153227 | WHITE EMITTING PERSISTENT PHOSPHOR - This disclosure features a persistent phosphor having the following formula I: | 06-21-2012 |
| 20120175560 | ZnO GREEN LUMINESCENT MATERIAL AND ITS PREPARATION - The present invention relates to ZnO green luminescent material and its preparation. The ZnO green luminescent material is prepared by doping a trivalent rare earth ion compound and a Li compound into zinc oxide material. The method comprises the following steps: (1) weighing raw material in the stoichiometric ratio of formula ZnO: xA, yLi, (2) grinding the raw material, sintering it at 800-1200° C. for 2-8 h, cooling to the room temperature, and then obtaining the ZnO green luminescent material. The present ZnO green luminescent material doped with trivalent rare earth ion compound and Li compound has high stability and luminous intensity, and has higher low-voltage cathode ray luminescence efficiency. The method can easily be operated and can be used widely. | 07-12-2012 |
| 20120181481 | STRONTIUM OXYORTHOSILICATE PHOSPHORS HAVING IMPROVED STABILITY UNDER A RADIATION LOAD AND RESISTANCE TO ATMOSPHERIC HUMIDITY - Exemplary embodiments of the present invention relate to inorganic phosphors based on silicate compounds having improved stability under a resulting radiation load and resistance to atmospheric humidity, which are capable of converting higher-energy excitation radiation, i.e. ultraviolet (UV) or blue light, with high efficiency into a longer-wavelength radiation which may be in the visible spectral range. A calcium molar fraction x having a value between 0 and 0.05 is added to a silicate phosphor having the general formula Sr | 07-19-2012 |
| 20120261617 | NEAR INFRARED DOPED PHOSPHORS HAVING AN ALKALINE GALLATE MATRIX - Phosphors based on doping of an activator (an emitter) into a host matrix are disclosed herein. Such phosphors include alkaline gallate phosphors doped with Cr | 10-18-2012 |
| 20130062563 | FLUORESCENT MATERIALS USED IN FIELD EMISSION AND PREPARATION METHODS THEREOF - Fluorescent materials used in field emission and preparation methods thereof are provided. The said fluorescent materials are a mixture consisting of Zn | 03-14-2013 |
| 20130069007 | PHOSPHOR COMPOSITIONS AND METHODS OF MAKING THE SAME - Disclosed herein are emissive ceramic elements having low amounts of certain trace elements. Applicants have surprisingly found that a lower internal quantum efficiency (IQE) may be attributed to specific trace elements that, even at very low amounts (e.g., 50 ppm or less), can cause significant deleterious effects on IQE. In some embodiments, the emissive ceramic element includes a garnet host material and an amount of Ce dopant. The emissive ceramic element may, in some embodiments, have an amount of Na in the composition less than about 67 ppm, an amount of Mg in the composition less than about 23 ppm, or an amount of Fe in the composition less than about 21 ppm. | 03-21-2013 |
| 20130075662 | YTTRIUM OXIDE PHOSPHOR AND PREPARATION METHOD THEREOF - Fluorescent materials and preparation methods thereof are provided. The fluorescent materials are represented by the general formula: Y | 03-28-2013 |
| 20130087739 | SCINTILLATOR MATERIAL AND SCINTILLATION DETECTOR - A scintillator material is made of a zinc-oxide single crystal grown on a +C surface or a −C surface of a plate-shaped seed crystal of zinc oxide including a C surface as a main surface. The zinc-oxide single crystal contains In and Li. In response to an incident radiation, the scintillator material emits fluorescence of less than 20-ps fluorescence lifetime. | 04-11-2013 |
| 20130099163 | NEAR INFRARED DOPED PHOSPHORS HAVING AN ALKALINE GALLATE MATRIX - Phosphors based on doping of an activator (an emitter) into a host matrix are disclosed herein. Such phosphors include alkaline gallate phosphors doped with Cr | 04-25-2013 |
| 20130126786 | Color Adjustable Luminescent Powder and Preparation Method Thereof - A color-adjustable luminescent powder is provided, the chemical general formula of which is (Y | 05-23-2013 |
| 20130270482 | RARE EARTH GARNET SCINTILLATOR AND METHOD OF MAKING SAME - A detector for detecting high-energy radiation is disclosed. The detector includes scintillating material with a garnet structure includes gadolinium, yttrium, cerium, gallium, and aluminum. The scintillating material is expressed as (Gd | 10-17-2013 |
| 20140091257 | Preparation of Nanoparticle Materials - A method of producing nanoparticles comprises effecting conversion of a nanoparticle precursor composition to the material of the nanoparticles. The precursor composition comprises a first precursor species containing a first ion to be incorporated into the growing nanoparticles and a separate second precursor species containing a second ion to be incorporated into the growing nanoparticles. The conversion is effected in the presence of a molecular cluster compound under conditions permitting seeding and growth of the nanoparticles. | 04-03-2014 |
| 20140158936 | PHOTONIC CRYSTAL PHOSPHOR - A photonic crystal phosphor includes a phosphor which absorbs light and emits excited light having a radiation spectrum, a first coating layer covering the phosphor and having a first thickness, and a second coating layer covering the phosphor and having a second thickness. The first coating layer has a first refractive index. The second coating layer has a second refractive index. The first coating layer is between the phosphor and the second coating layer. | 06-12-2014 |
| 20150041713 | INTERMETALLIC COMPOUNDS FOR RELEASING MERCURY - Materials, compounds, systems, and methods of dosing fluorescent lamps to reduce run-up time by improving mercury release rates. A pellet comprises a core and a coating on at least a portion of the surface of the core, the coating being formed from a powder of one or more intermetallic compounds comprising mercury. A method comprises providing a core and forming a coating on at least a portion of the surface of the core with a material comprising one or more intermetallic compounds comprising mercury and a metal selected from the group consisting of silver, copper, tin, zinc, bismuth, gold, platinum, palladium, nickel, manganese, and titanium. | 02-12-2015 |
| 20150137038 | ZINC ALUMINATE MATERIAL AND METHOD FOR PREPARING SAME - A zinc aluminate fluorescent material is provided having a formula: Zn | 05-21-2015 |
| 20160040064 | UP-CONVERSION PHOSPHOR - To provide a novel up-conversion phosphor excellent in light-emitting properties, the up-conversion phosphor of the present invention is an up-conversion phosphor including, in a ZnMoO | 02-11-2016 |
| 20160102842 | LIGHT EMITTING MATERIALS AND SYSTEMS AND METHOD FOR PRODUCTION THEREOF - A method for making a light emitting structure including: determine desired light emitting characteristics; prepare a plurality of nanostructure composites, wherein the plurality of nanostructure composites are configured to provide the desired light emitting characteristics and are configured with predetermined excitation characteristics; selecting a light emission source based on the predetermined excitation characteristics; providing a substrate for the plurality of nanostructure composites; and applying the plurality of nanostructure composites to the substrate such that the plurality of nanostructure composites receive light from the light emission source. A light emitting structure including: a plurality of nanostructure composites, wherein the plurality of nanostructure composites are configured to provide predetermined light emitting characteristics and are configured with predetermined excitation characteristics; and a substrate for the plurality of nanostructure composites, wherein the plurality of nanostructure composites are applied to the substrate such that the plurality of nanostructure composites receive light from a light emission source having a spectrum that includes the predetermined excitation characteristics. | 04-14-2016 |
| 20190144744 | PHOSPHOR AND METHOD FOR PRODUCING THE PHOSPHOR | 05-16-2019 |
| 20190144745 | PHOSPHOR AND METHOD FOR PRODUCING THE PHOSPHOR | 05-16-2019 |
