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7391060 |
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 3 N 2 .bAlN.cSi 3 N 4 ,...
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7390437 |
Aluminate-based blue phosphors
Embodiments of the present invention are directed in general to novel aluminate-blue phosphors. Specifically, embodiments of the present invention are directed to use of the novel aluminate-based...
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7387833 |
Luminescent materials consisting of nanocrystals with core/shell structure and method for preparing same
Luminescent material consisting of nanocrystals comprising a core surrounded by a shell, said core consisting of a nanocrystal of semiconductor of formula AB in which A represents a metal or a...
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7385349 |
Light emitting module and lighting unit for vehicle
A light emitting module for generating a light includes a semiconductor light emitting unit for generating a light, a plurality of nanophosphor particles having diameters which are smaller than a...
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7378038 |
Process for producing phosphors
A mixed melt, which contains urea and/or a urea derivative and contains a metal compound, is prepared. The mixed melt is solidified, by heating, whereby the urea and/or urea derivative is...
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7374807 |
Nanocrystal doped matrixes
The present invention provides matrixes doped with semiconductor nanocrystals. In certain embodiments, the semiconductor nanocrystals have a size and composition such that they absorb or emit light...
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7372196 |
Plasma display screen comprising a green phosphor
The invention relates to a plasma display screen comprising a carrier plate, a transparent front plate, a ribbed structure which divides the space between the carrier plate and the front plate into...
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7361289 |
Green light-emitting phosphor for vacuum ultraviolet-excited light-emitting device, light-emitting device including the same, and method of preparing the same
The present invention provides a green light-emitting phosphor for a light-emitting device excited by vacuum ultraviolet rays, a light-emitting device, and a method of preparing the same. The green...
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7358668 |
Green phosphor for plasma display panel (PDP)
A green phosphor for a Plasma Display Panel (PDP) includes a phosphor material selected from the group consisting of Zn 2 SiO 4 :Mn, (Zn,A) 2 SiO 4 :Mn (A is an alkaline earth metal),...
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7357882 |
Light emitting device and illuminator using the same
An object of the present invention is to provide a light emitting device having a high emission intensity, and a light emitting device having a high emission intensity and a good color rendering...
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7347956 |
Luminous material for scintillator comprising single crystal of Yb mixed crystal oxide
Disclosed is a luminescent material for scintillators, which comprises a single crystal of an Yb-containing mixed-crystal oxide having a base crystal consisting of a garnet single crystal or a...
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7345418 |
Phosphor mixture and light emitting device using the same
A phosphor mixture containing four or more kinds of phosphors including a red phosphor, an orange phosphor, a blue phosphor, and a green phosphor, to produce emission having excellent color...
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7341676 |
Manufacturing method of silicate-containing phosphor and silicate-containing phosphor precursor
A green light emitting silicate-containing phosphor having both enhanced luminescence intensity and a shortened persistence time and a method for manufacturing the foregoing phosphor can be...
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7335345 |
Synthesis of water soluble nanocrystalline quantum dots and uses thereof
An economic, direct synthetic method for producing water soluble QDs that are ready for bioconjugation is provided. The method can produce aqueous QDs with emission wavelengths varying from 400 nm...
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7332351 |
Method of making nanoparticles
Disclosed are silica-coated nanoparticles and a process for producing silica-coated nanoparticles. Silica-coated nanoparticles are prepared by precipitating nano-sized cores from reagents dissolved...
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7332106 |
Light-emitting device and phosphor
The present invention provides a light-emitting device having an excitation source which emits a light having a wavelength of from 420 to 500 nm and a phosphor in combination, and having a high...
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7329371 |
Red phosphor for LED based lighting
Disclosed are phosphor compositions having the formula (RE 1-y Ce y )Mg 2-x Li x Si 3-x P x O 12 , where RE is at least one of Sc, Lu, Gd, Y, and Tb, 0.0001<x<0.1 and 0.001<y<0.1. When...
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7329370 |
Transparent polycrystalline ceramic scintillators and methods of preparing the same
This invention relates to transparent polycrystalline ceramic scintillators and methods of preparing the same. The invention also relates to gadolinium-yttrium oxide ceramic scintillators with...
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7326365 |
Composite material including nanocrystals and methods of making
Temperature-sensing compositions can include an inorganic material, such as a semiconductor nanocrystal. The nanocrystal can be a dependable and accurate indicator of temperature. The intensity of...
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7311859 |
Method to produce nanocrystalline powders of oxide-based phosphors for lighting applications
Some embodiments of the present invention are directed toward nanocrystalline oxide-based phosphor materials, and methods for making same. Typically, such methods comprise a steric entrapment route...
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7311858 |
Silicate-based yellow-green phosphors
Novel phosphor systems are disclosed having the formula A 2 SiO 4 :Eu 2+ D, where A is at least one of a divalent metal selected from the group consisting of Sr, Ca, Ba, Mg, Zn, and Cd; and D is a...
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7309454 |
UV-emitting strontium borate phosphor with improved holdover stability
A UV-emitting phosphor comprising SrB 4 O 7 :Eu phosphor particles that have been treated to yield a surface layer containing from greater than 0 to about 25 atomic percent aluminum. The holdover...
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7306751 |
Crystalline superfine particles, complex material, method of manufacturing crystalline superfine particles, inverted micelles, inverted micelles enveloping precursor superfine particles, inverted micelles enveloping crystalline superfine particles, and precursor superfine particles
Crystalline superfine particles capable of emitting light depending upon a time-rate-of-change of a stress and controlled in grain size in the range from 5 nm to 100 nm are complexed with another...
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7300605 |
Phosphor and device using the same
A phosphor having a magnetoplumbite-type crystal structure and comprising at least one element selected from B, Si, P, Ge, Ti, V, Ni, Ta, Nb, Mo, W, Yb, Tm and Bi.
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7298077 |
Device for generating UV radiation
A device for generating ultraviolet radiation by an excimer discharge is equipped with an at least partly UV-transparent discharge vessel whose discharge space is filled with a gas filling. The...
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7297295 |
Highly bright mechanoluminescence material and process for producing the same
A novel highly bright mechanoluminescence material free from decay of luminescence brightness even if repeated stress is applied, comprising a composite semiconductor crystal of the general formula...
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7294956 |
Semiconductor light emitting element and light emitting device using this
The semiconductor light emitting device is composed of a combination of a near ultraviolet LED and a phosphor layer including a plurality of phosphors for absorbing near ultraviolet emitted by the...
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7291290 |
Phosphor, method of manufacturing same, and plasma display panel using same
An Eu-activated phosphor that maintains high wavelength conversion efficiency and suppresses deterioration with time due to vacuum ultraviolet irradiation, as well as a plasma display panel having...
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7288215 |
Method of making narrow-band UVB-emitting phosphors
A method is provided for making narrow-band, UVB-emitting, (Y,Gd,Ce,Pr)Mg borate phosphors. The method involves the use of a mixed oxide co-precipitate which is combined with MgO and boric acid and...
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7282850 |
Vacuum ultraviolet-excited ultraviolet phosphor and light-emitting device that uses this phosphor
A vacuum ultraviolet-excited phosphor is composed of a gadolinium-activated rare-earth aluminum-scandium borate that is represented by a general formula (Y 1-x Gd x )Al 3-y Sc y (BO 3 ) 4 (where...
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7282849 |
Alkaline earth aluminate phosphor, phosphor paste composition and vacuum ultraviolet excitation light emitting element
A phosphor improved against luminance deterioration with time under vacuum ultraviolet irradiation, a phosphor paste composition, and a vacuum ultraviolet excitation light emitting element high in...
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7282848 |
Fluorescent lamp having phosphor layer that is substantially free from calcium carbonate
A mercury vapor discharge fluorescent lamp is provided having a phosphor layer that has a yttria-based red emitting rare earth phosphor. The phosphor layer is prepared from an aqueous phosphor...
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7282713 |
Compositions and methods for scintillator arrays
A composition including at least one of a glass composition and a glass ceramic composition, the composition includes a plurality of scintillator crystals.
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7268492 |
Plasma display device with green emitting phosphor that becomes positively charged
A plasma display device provided with a green color phosphor which is charged entirely with a positive potential, adsorbs only limited amounts of water, carbon monoxide, carbon dioxide and...
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7267786 |
Phosphor and light source comprising such a phosphor
A phosphor with a garnet structure is distinguished by the addition of Si. It is suitable in particular for photon excitation by light sources with an emission between 250 and 550 nm.
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7267785 |
White light emitting phosphor blend for LED devices
There is provided a white light illumination system including a radiation source, a first luminescent material having a peak emission wavelength of about 570 to about 620 nm, and a second...
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7262439 |
Charge compensated nitride phosphors for use in lighting applications
Disclosed are phosphor compositions having the formulas Ca 1−a−b Ce a Eu b Al 1+a Si 1−a N 3 , where 0<a≦0.2, 0≦b≦0.2; Ca 1−c−d Ce c Eu d Al 1−c (Mg,Zn) c SiN 3 , where...
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7261917 |
Plasma display and method of producing phosphor used therein
The present invention relates to a plasma display device and to a method of producing a phosphor to be used for the device, that prevents the phosphor layer from deteriorating, and improves the...
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7261837 |
Arrangement of luminescent materials, wavelength-converting casting compound and light source
The invention proposes an arrangement of luminescent materials for excitation by means of a radiation source and involving the use of a luminescent material having a Ce-activated garnet structure A...
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7259509 |
Phosphor coating composition for a mercury low-pressure discharge lamp for illuminating plants
The invention relates to a fluorescent lamp for the illumination of plants, having a tubular discharge vessel, two electrodes which are fused in a gastight manner into the ends of the discharge...
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7259396 |
Light source with a light-emitting element
The invention relates to a light source comprising a light-emitting element, which emits light in a first spectral region, and comprising a luminophore, which comes from the group of alkaline-earth...
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7258817 |
Mechanoluminescence material and process for producing the same
A mechanoluminescence material comprising a matrix of composite metal oxide containing strontium and aluminum, represented by the general formula SrM 1 Al 6 O 11 (wherein M 1 is an alkaline earth...
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7258587 |
Method of forming phosphor film by using aerosol impact
A method of forming a phosphor film includes: providing phosphor powder having a particle size of less than 5 μm; subjecting the phosphor powder to vibration so as to form an aerosol containing...
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7252789 |
High-density scintillators for imaging system and method of making same
A scintillator composition comprising a garnet represented by (M 1-x-y N x A y ) 3 (Al 5-a-b C a D b )O 12 , where M comprises yttrium, or terbium, or gadolinium, or holmium, or erbium, or thulium,...
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7252787 |
Garnet phosphor materials having enhanced spectral characteristics
Phosphor compositions having the formula (Y 1-x-y-z Tb x Gd y Ce z ) 3 (M 1 M 2 ) t (Al 1-r-s Ga r In s ) A-2t O 12+D , where M 1 is Mg or Zn, M 2 is Si or Ge, 0<x+y<1, 0.01<z<0.1,...
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7250613 |
Device for detecting ionizing radiation using a layer of fluorescent material
The invention relates to a device for capturing ionizing radiation, in which a substrate which is provided with a phosphor layer is accommodated in a housing. To simplify the device and to ensure a...
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7241399 |
Synthesis of nanoparticles
Methods for the preparation of inorganic nanoparticles capable of fluorescence, wherein the nanoparticles consist of a host material that comprises at least one dopant. The synthesis of the...
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7239082 |
Illumination device with at least one LED as the light source
The invention relates to a luminescence conversion led based illumination deice that emits primarily radiation in the range of from 370 and 430 nm of the optical spectrum (peak wavelength). Said...
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7239071 |
Fluorescent lamp and display apparatus having a fluorescent lamp
There is provided a fluorescent lamp having a construction where no difference is surely caused between a composition of the fluorescent particle mixture at one end portion of the glass tube and a...
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7238304 |
Green light emitting phosphor and light emitting device
As a green light emitting phosphor capable of emission upon excitation with light having a wavelength of 350 to 500 nm, characterized in containing Tb 3+ ions as emission ions in high...
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