Class / Patent application number | Description | Number of patent applications / Date published |
2523014H0 | Compositions containing halogen; e.g., halides and oxyhalides | 48 |
20080217578 | NOVEL RARE-EARTH DOPED FLUORIDES AND PROCESS FOR PREPARING - The present invention is directed to rare-earth doped solid state solutions of alkaline earth fluorides having novel luminescence properties, and to a process for preparing them. The invention is useful as identifying markers on articles. Other uses include phosphors for plasma displays, optical frequency multipliers, optical amplifiers and the like. | 09-11-2008 |
20080277624 | Photoluminescent Material - A photoluminescent material comprising a composition of halogen-substituted alkaline earth metal aluminate doped with at least one rare-earth element activator. The alkaline earth metal is selected from one or more of Sr, Ca, Mg and Ba. The halogens can be F, Cl, Br and I. The invention includes a method of manufacturing the photoluminescent material and use of the photoluminescent material in long after-glow products such as water based and/or solvent based paints and extruded from plastics, ceramic glazes and the like. | 11-13-2008 |
20090095940 | High quantum yield infranred phosphors and methods of making phosphors - Embodiments of the present disclosure include Gd | 04-16-2009 |
20090121188 | High Counting Rate Scintillator - [PROBLEMS] To provide a scintillator responding to high counting rate sustaining high-speed and high detection efficiency of BaF | 05-14-2009 |
20090127508 | Novel materials used for emitting light - An luminescent composition comprises a mixture of two or more materials, emitting electromagnetic radiation when subject to stimuli, wherein the spectral emission is not calculable at a first approximation as the simple weighted sum of the spectral emissions of the materials independently subject to said stimuli. Especially advantageous compositions are achieved if the anionic matrix is an oxide and the doping anionic salt is a fluoride or vice versa. | 05-21-2009 |
20090166585 | Novel Alkali Metal and Alkali Earth Metal Gadolinium Halide Scintillators - The present invention provides for a composition comprising an inorganic scintillator comprising a gadolinium halide, optionally cerium-doped, having the formula A | 07-02-2009 |
20090173915 | Light-storing phosphor - A light-storing phosphor prepared from a matrix (host) based on the element of aluminate of group IIA and activated by Eu | 07-09-2009 |
20090283721 | NITRIDE-BASED RED PHOSPHORS - Embodiments of the present invention are directed to the fluorescence of a nitride-based deep red phosphor having at least one of the following novel features: 1) an oxygen content less than about 2 percent by weight, and 2) a halogen content. Such phosphors are particularly useful in the white light illumination industry, which utilizes the so-called “white LED.” The selection and use of a rare earth halide as a raw material source of not only the activator for the phosphor, but also the halogen, is a key feature of the present embodiments. The present phosphors have the general formula M | 11-19-2009 |
20100012898 | METHOD FOR CONTROLLING THE SIZE OF RARE-EARTH-DOPED FLUORIDE NANOPARTICLES - A method wherein an aqueous solution of a fluoride, an aqueous solution of a Group 2 or Group 3 metal salt, and an aqueous solution of a rare-earth metal dopant are combined to form a precipitate of a rare-earth doped Group 2 or Group 3 metal fluoride, and wherein increasing the concentration of the rare-earth dopant cation increases the resulting particle size, and wherein decreasing the concentration of the rare-earth dopant cation decreases the particle size. | 01-21-2010 |
20100019200 | METHOD FOR PREPARING RARE-EARTH-DOPED FLUORIDE NANOPARTICLES OF CONTROLLED SIZE - A method wherein an aqueous solution of a fluoride, an aqueous solution of a Group 2 or Group 3 metal salt, and an aqueous solution of a rare-earth metal dopant are combined in a plurality of continuous feed streams to form a series of precipitates of a rare-earth doped Group 2 or Group 3 metal fluoride, and wherein the member of the series differ by the concentration of the associated rare-earth dopant cation in the feed stream, and wherein the series so prepared defines the threshold concentration range above which operation of the process results in a minimization of the particle size variability caused by small perturbations in the concentration of the rare-earth dopant. | 01-28-2010 |
20100032623 | Method for producing a garnet phosphor - A method for producing a garnet phosphor that includes using cryolites as the flux. In particular YAG:Ce is suitable as the garnet. | 02-11-2010 |
20100155665 | Nano phosphor, method of preparing the same, and display including the nano phosphor - A nano phosphor prepared by mixing a metal oxide nanoparticle and inorganic salt, a method of preparing the nano phosphor, and a display device including the nano phosphor. The method includes dissolving the inorganic salt in a solvent, adding the metal oxide nanoparticles to the solution, and annealing the resultant mixture, preferably under pressure. Such a process removes defects in the crystal structure of the nano phosphor, resulting in improved luminescent efficiency when incorporated into a display device. | 06-24-2010 |
20100171075 | Scintillator having a MgAl2O4 host lattice - A scintillator having a host lattice of MgAl | 07-08-2010 |
20110012059 | NOVEL PHOSPHORESCENT PHOSPHORS - Photoluminescent phosphors wherein some of the oxygen anions in the phosphor matrix have been replaced by halides or nitride. In addition, photoluminescent phosphors wherein some of the oxygen anions in the phosphor matrix have been replaced by halides or nitride and a charge compensator has been included. The phosphors are based on green emitting and blue-green emitting aluminates. | 01-20-2011 |
20110024683 | METHOD FOR CONTROLLING THE SIZE OF RARE-EARTH-DOPED FLUORIDE NANOPARTICLES - II - For a continuous process for preparing rare-earth doped Group 2 or Group 3 metal fluoride nanoparticles comprising a confluence of feed streams of reagents, a method is provided for controlling particle size by adjustment in the flow rate of the streams. | 02-03-2011 |
20110042616 | Scintillation materials in single crystalline, polycrystalline and ceramic form - The scintillation materials may exist in single crystalline, polycrystalline or ceramic form. Preferably, the scintillation materials are in single crystalline form. According to the present invention all cation-forming elements are present in the scintillation material in an amount, which is higher than stoichiometric (hyper- or over-stoichiometric) with respect to the anion-forming elements. | 02-24-2011 |
20110084233 | Scintillation materials in single crystal or polycrystalline form with improved properties, especially light yield and strain birefringence - The scintillation material is a compound of the general formula LnX | 04-14-2011 |
20110084234 | Scintillation materials of low oxygen content and process for producing same - The scintillation material has a maximum oxygen content of 2,500 ppm and is a compound of formula LnX | 04-14-2011 |
20110101272 | SOLID SOLUTION PHOSPHORS BASED ON OXYFLUORIDE AND WHITE LIGHT EMITTING DIODES INCLUDING THE PHOSPHORS FOR SOLID STATE WHITE LIGHTING APPLICATIONS - Phosphor compositions comprising a solid solution series between Sr | 05-05-2011 |
20110101273 | Process and Composition for Making Rare Earth Doped Particles and Methods of Using Them - Methods for synthesizing a phosphor which is capable of upconversion fluorescence. One exemplary method includes forming a rare earth hydroxide and exposing the rare earth hydroxide to a fluorine source to produce a rare earth fluoride. Another exemplary method includes fluorinating a rare earth hydroxide without use of F | 05-05-2011 |
20110175028 | GARNET-TYPE SINGLE CRYSTAL, OPTICS USING SAME AND RELATED APPARATUS THEREOF - A garnet-type single crystal is represented by a general formula, A | 07-21-2011 |
20110210291 | NOVEL RARE-EARTH DOPED FLUORIDES COMPOSITIONS - The present invention is directed to rare-earth doped solid state solutions of alkaline earth fluorides having novel luminescence properties, and to a process for preparing them. The invention is useful as identifying markers on articles. Other uses include phosphors for plasma displays, optical frequency multipliers, optical amplifiers and the like. | 09-01-2011 |
20120074356 | SCINTILLATOR - [Problems to be Solved] | 03-29-2012 |
20120119145 | Phosphors of rare earth and transition metal doped Ca1+xSr1-xGayIn2-ySzSe3-zF2; methods of manufacturing and applications - Energy down conversion phosphors represented by the chemical formula Ca | 05-17-2012 |
20120161074 | SCINTILLATOR MATERIAL - A scintillator material contains a compound represented by a general formula [Cs | 06-28-2012 |
20120187338 | (HALO)SILICATE-BASED PHOSPHOR AND MANUFACTURING METHOD OF THE SAME - Disclosed are a (halo)silicate-based phosphor and a manufacturing method of the same. More particularly, the disclosed phosphor is a novel (halo)silicate-based phosphor manufactured by using a (halo)silicate-based host material containing an alkaline earth metal, and europium as an activator. | 07-26-2012 |
20120228550 | NITRIDE PHOSPHOR, REACTION MIXTURE AND METHOD PRODUCTION AND LIGHT EMITTING DEVICE COMPRISING SUCH A PHOSPHOR - Provided are a method for preparing a rare-earth doped alkaline-earth silicon nitride phosphor powder having the composition of Me | 09-13-2012 |
20120256126 | Persistent phosphors of alkaline earths modified by halides and 3d ions - Phosphorescent compositions including silicate of alkaline earth materials which are modified by at least one halide are provided. The phosphorescent compositions may include 3d ions. A variety of embodiments may be realized. The appearance of some embodiments may be glassy (i.e., vitreous). | 10-11-2012 |
20120286203 | GOLD COATING OF RARE EARTH NANO-PHOSPHORS AND USES THEREOF - Novel core-shell nanoparticles comprising a phosphorescent core and metal shell as well as methods of synthesizing and using said core-shell nanoparticles are provided. In a preferred embodiment, the phosphorescent core comprises an upconverting phosphor and the shell comprises gold. | 11-15-2012 |
20120286204 | METAL FLUORIDE CRYSTAL, VACUUM ULTRAVIOLET LIGHT EMITTING ELEMENT, AND VACUUM ULTRAVIOLET LIGHT EMITTING SCINTILLATOR - [Problems to be Solved] A fluoride which emits light with high brightness in a vacuum ultraviolet region is provided. Also provided are a novel vacuum ultraviolet light emitting element which comprises the fluoride and which can be suitably used in photolithography, cleaning of a semiconductor or liquid crystal substrate, sterilization, next-generation large-capacity optical disks, medical care (ophthalmologic treatment, DNA cleavage), etc.; and a vacuum ultraviolet light emitting scintillator which is composed of the fluoride and can be suitably used in a small-sized radiation detector incorporating a diamond light receiving element or AlGaN light receiving element with a low background noise as an alternative to a conventional photomultiplier tube. | 11-15-2012 |
20120319046 | NOVEL RARE-EARTH DOPED FLUORIDES AND PROCESS FOR PREPARING - The present invention is directed to rare-earth doped solid state solutions of alkaline earth fluorides having novel luminescence properties, and to a process for preparing them. The invention is useful as identifying markers on articles. Other uses include phosphors for plasma displays, optical frequency multipliers, optical amplifiers and the like. | 12-20-2012 |
20120319047 | Al2O3-SiO2-BASED OXIDE PHOSPHOR - An oxide phosphor that is highly durable and produces visible light when excited by exposure to near-ultraviolet excitation light, comprising an oxide having the composition represented by the formula (Al | 12-20-2012 |
20120319048 | CALCIUM FLUORIDE OPTICS WITH IMPROVED LASER DURABILITY - The invention is directed to calcium fluoride crystal optics with improved laser durability that can be used for the transmission of below 250 nanometer (nm) electromagnetic radiation. The optics consists of CaF | 12-20-2012 |
20130069006 | OXYHALIDE LUMINESCENT MATERIAL DOPED WITH RARE EARTH CONTAINING METAL PARTICLE AND PRODUCTION METHOD THEREOF - An oxyhalide luminescent material doped with rare earth containing metal particles is provided. The formula thereof is Re′ | 03-21-2013 |
20130140491 | Green to Yellow Light-Emitting Aluminate Phosphors - A green and yellow emitting lutetium aluminate based photoluminescent material having the formula (Lu | 06-06-2013 |
20130214203 | METAL FLUORIDE CRYSTAL AND LIGHT-EMITTING DEVICE - [Problems to be Solved] To provide a neutron scintillator which shows a large amount of luminescence in response to neutrons and which is excellent in neutron detection efficiency and n/γ discrimination ability; and a metal fluoride crystal suitable for the neutron scintillator. | 08-22-2013 |
20130240785 | HALO-BORATE LUMINESCENT MATERIALS AND PREPARATION METHODS THEREOF - Halo-borate luminescent materials and preparation methods thereof are provided. The said luminescent materials are represented by the following general formula: Ca | 09-19-2013 |
20130240786 | CERAMIC NON-CUBIC FLUORIDE MATERIAL FOR LASERS - The invention relates to a ceramic non-cubic fluoride laser material and methods of its manufacture. | 09-19-2013 |
20140021410 | Mixed Halide Scintillators - A mixed halide scintillator material including a fluoride is disclosed. The introduction of fluorine reduces the hygroscopicity of halide scintillator materials and facilitates tuning of scintillation properties of the materials. | 01-23-2014 |
20140158935 | Green-Emitting, Garnet-Based Phosphors in General and Backlighting Applications - Disclosed herein are green-emitting, garnet-based phosphors having the formula (Lu | 06-12-2014 |
20140166933 | CESIUM AND SODIUM-CONTAINING SCINTILLATOR COMPOSITIONS - The present invention relates to scintillator compositions and related devices and methods. The scintillator compositions may include, for example, a scintillation compound and a dopant, the scintillation compound having the formula x | 06-19-2014 |
20140203210 | Passivation of Metal Halide Scintillators - A halide material, such as scintillator crystals of LaBr | 07-24-2014 |
20140203211 | Scintillator - An afterglow property of cesium iodide: thallium (CsI:Tl), in which CsI is a host material and doped with thallium, is improved. It is possible to improve the afterglow property of a scintillator by doping a crystal material including CsI (cesium iodide), as a host material, and thallium (Tl), as a luminescent center, with bismuth (Bi). | 07-24-2014 |
20140361221 | BARIUM IODIDE AND STRONTIUM IODIDE CRYSTALS AND SCINTILLATORS IMPLEMENTING THE SAME - In one embodiment, a crystal includes at least one metal halide; and an activator dopant comprising ytterbium. In another general embodiment, a scintillator optic includes: at least one metal halide doped with a plurality of activators, the plurality of activators comprising: a first activator comprising europium, and a second activator comprising ytterbium. In yet another general embodiment, a method for manufacturing a crystal suitable for use in a scintillator includes mixing one or more salts with a source of at least one dopant activator comprising ytterbium; heating the mixture above a melting point of the salt(s); and cooling the heated mixture to a temperature below the melting point of the salts. Additional materials, systems, and methods are presented. | 12-11-2014 |
20150069299 | Phosphor Ceramics and Methods of Making the Same - Preparation of a porous ceramic composite with a fluoride phosphor is described herein. The phosphor ceramics prepared may be incorporated into devices such as light-emitting devices, lasers, or for other purposes. | 03-12-2015 |
20150076407 | Novel Doped Halide Scintillators - The present invention provides for a composition comprising an inorganic scintillator comprising a doped halide, useful for detecting nuclear material. | 03-19-2015 |
20180026150 | WAVELENGTH CONVERSION MEMBER AND PHOTOVOLTAIC DEVICE USING SAME | 01-25-2018 |
20220135421 | Compound, Composition, Film, Layered Structure, Light-Emitting Device, and Display - A compound has a perovskite type crystal structure containing A which is a monovalent cation, B which is a metal ion, and X which is a halide ion as components. The perovskite type crystal structure has a unit cell volume of 0.2000 nm | 05-05-2022 |