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8163201 |
High-intensity, persistent photoluminescent formulations and objects, and methods for creating the same
Disclosed are photoluminescent formulations, comprising an effective amount of photoluminescent phosphorescent materials, which exhibit high luminous intensity and persistence. Also disclosed are...
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8137587 |
Method of manufacturing phosphor translucent ceramics and light emitting devices
Disclosed herein is a method of increasing the luminescence efficiency of a translucent phosphor ceramic. Other embodiments are methods of manufacturing a phosphor translucent ceramic having...
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8123981 |
Method of fabricating translucent phosphor ceramics
One embodiment provides a method for fabricating a translucent phosphor ceramic compact comprising: heating a precursor powder to at least about 1000° C. under a reducing atmosphere to provide a ...
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8110124 |
Method of preparing fluorescent body precursor
To produce fluorescent bodies providing high brightness and high energy efficiency, a method of preparing a fluorescent body precursor is provided to enable an activator having a large ionic radius...
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8088353 |
Group II metal sulfide phosphor precursor and method for producing phosphor
A process for producing a Group II metal sulfide phosphor precursor, comprising adding to an organic solvent an aqueous solution containing at least one of a Group II element compound, a...
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8080229 |
Water soluble nanocrystalline quantum dots
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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8034259 |
Inorganic particle conjugates
The ionic conjugates include an inorganic particle electrostatically associated with a macromolecule which can interact specifically with predetermined chemical species or biological targets.
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8025816 |
Semiconductor superfine particle phosphor and light emitting device
This invention provides a novel phosphor material that has better brightness than conventional phosphors using dispersed rare earth ions, and that possesses excellent light resistance, temporal...
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8021575 |
Metal hydroxy carbonate nanoparticle coated phosphor and method for preparing the same
Disclosed herein are a metal hydroxy carbonate nanoparticle-coated phosphor and a preparation method thereof. The phosphor coated with metal hydroxy carbonate nanoparticles exhibit improved thermal...
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8017037 |
Fluorescent substance and light emitting device using the same
A fluorescent substance capable of remarkably increasing the luminous intensity of a I-III-VI2 chalcopyrite type compound having a large band gap among chalcopyrite type compounds with manganese as...
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8017036 |
Single step gas phase flame synthesis method to produce sub-10 nanometer sized rare earth doped nanoparticles
Methods for forming rare earth element doped oxide, oxyhalide and oxysulfide activated nanoparticles by the following method steps: (a) providing a precursor solution of a water- or alcohol-soluble...
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8012371 |
Luminescent material
The invention relates to a luminescent material comprising a luminescent particle (20) for generating light (4), wherein the luminescent particle (20) has a structured particle surface for...
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7998365 |
Thiogallate phosphor and white light emitting device employing the same
The present invention relates to a thiogallate phosphor which is excited by ultraviolet or blue light to emit light with a relatively longer wavelength than that of the ultraviolet or blue light....
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7976726 |
Prevention of quantum dot quenching on metal surfaces
A formulation comprises quantum dots and a quenching-preventive agent in a carrier material. The quenching-preventive agent is a metal chelating agents, a corrosion inhibitor, or a combination...
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7976819 |
Water soluble nanocrystalline quantum dots
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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7955523 |
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 materials include a phosphor including...
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7952266 |
White phosphor, light emission device including the same, and display device
A white phosphor, and a light emission device including the white phosphor, and a display device including the white phosphor, the white phosphor including 40 to 45 parts by weight of a blue...
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7947772 |
Multiphasic nano-components comprising colorants
Multiphasic colorant nano-components (MPCs) having at least two phases and at least one colorant are provided. In certain aspects, the at least two phases are optically or visually distinct from...
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7919012 |
Monodisperse core/shell and other complex structured nanocrystals and methods of preparing the same
The present invention provides new compositions containing nearly monodisperse colloidal core/shell semiconductor nanocrystals with high photoluminescence quantum yields (PL QY), as well as other...
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7833437 |
Moisture-resistant electroluminescent phosphor with high initial brightness and method of making
The present invention is an electroluminescent phosphor wherein each individual phosphor particle is encapsulated in an inorganic coating applied by an atomic layer deposition (ALD) coating method....
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7824653 |
Water soluble quantum dots
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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7820073 |
White light emitting device
A white light emitting device capable of expanding the wavelength range of a blue LED used for realizing white light. The white light emitting device according to the present invention includes a...
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7816862 |
Electroluminescent device with enhanced color rendition
To provide an electroluminescent device excellent in color rendition, the electroluminescent device has at least two luminescent local maxima in a visible range, the at least two luminescent local...
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7811470 |
Water based colorants comprising semiconductor nanocrystals and methods of making and using the same
A water based colorant that includes a polymer emulsion and semiconductor crystals capable of emitting light. The colorants include paints, inks and/or dyes can be applied to various substrates.
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7790056 |
Coding system for value documents
The invention relates to a composition for a coding forming at least part of a coding system having a luminescent basic substance and at least one luminescent additive, the composition of the...
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7772315 |
Triboluminescent materials and golf balls made from such materials
A golf ball made from a composition that includes at least one triboluminescent material. In one embodiment, the golf ball includes a core; an outer cover layer; one or more intermediate layers;...
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7768031 |
Light emitting device and method of producing a light emitting device
To provide a DC drive type inorganic light emitting device excellent in luminous efficiency, provided is a light emitting device, including: a substrate; and a first layer and a second layer...
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7749405 |
White-emitting phosphor blend and electroluminescent lamp containing same
A white-emitting electroluminescent lamp is provided that uses a phosphor blend comprising a mixture of particles of an electroluminescent phosphor and particles of an europium-activated alkaline...
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7718088 |
Light emitting diode and wavelength converting material
A wavelength converting material including a wavelength converting activator and a scatter is provided. The wavelength converting activator is suitable for being activated by a light with a...
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7704914 |
Photocatalyst and process for producing the same
A photocatalyst which has high catalytic activity, is nontoxic, has a long life, can utilize visible light as it is for photocatalytic reactions, and is useful especially for hydrogen generation;...
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7695642 |
Preparation of stable, bright luminescent nanoparticles having compositionally engineered properties
A method is provided for preparing luminescent semiconductor nanoparticles composed of a first component X, a second component A, and a third component B, wherein X, A, and B are different, by...
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7690842 |
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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7645397 |
Nanocrystal doped matrixes
Matrixes doped with semiconductor nanocrystals are provided. In certain embodiments, the semiconductor nanocrystals have a size and composition such that they absorb or emit light at particular...
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7625835 |
Photocatalyst and use thereof
A composite photocatalyst includes a semiconducting core and a nanoscale particle disposed on a surface of the semiconducting core, wherein the nanoscale particle is an electron carrier, and...
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7608557 |
Highly active photocatalyst and process for producing the same
Provided are a photocatalyst which is high in catalytic activity, is nontoxic, has a long life, allows visible light to be used directly for its photocatalytic reaction and is especially useful for...
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7597870 |
Water soluble quantum dots
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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7563507 |
Pyridine and related ligand compounds, functionalized nanoparticulate composites and methods of preparation
Nanoparticulate composites and dispersion thereof using novel polymeric ligand compounds, in certain embodiments in conjunction with pyridinyl moieties coupling the nanoparticulate and ligand.
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7560054 |
Carboxylic ester dispersant and sulfide phosphor paste composition having same
Disclosed herein is a carboxylic ester dispersant shown in the following Formula 1 and a sulfide phosphor paste composition containing the dispersant. The dispersant improves the dispersibility of...
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7540976 |
Sputtering target for forming thin phosphor film
A sputtering target for fluorescent thin-film formation comprising a matrix material and a luminescent center material, wherein said matrix material has a chemical composition represented by the...
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7534504 |
Fine-grained rare earth activated zinc sulfide phosphors for electroluminescent displays
An improved fine grained zinc sulfide phosphor is provided for use in ac electroluminescent displays. The fine-grained zinc sulfide phosphor film exhibits improved luminance and may be used in...
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7470379 |
Inorganic particle conjugates
The ionic conjugates include an inorganic particle electrostatically associated with a macromolecule which can interact specifically with predetermined chemical species or biological targets.
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7468146 |
Metal chalcogenide composite nano-particles and layers therewith
A metal chalcogenide composite nano-particle comprising a metal capable of forming p-type semiconducting chalcogenide nano-particles and a metal capable of forming n-type semiconducting...
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7462300 |
Doped-type metal sulfide phosphor nanoparticle, dispersion thereof, and method for producing the same
A doped-type metal sulfide phosphor nanoparticle, whose surface is modified with a surface modifier, the surface modifier being a compound of formula [I]: HS-L-W Formula [I] wherein L is a divalent...
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7455825 |
Method for manufacturing metal sulfide nanocrystals using thiol compound as sulfur precursor
Disclosed herein is a method for manufacturing metal sulfide nanocrystals using a thiol compound as a sulfur precursor. The method comprises reacting the thiol compound and a metal precursor in a...
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7452483 |
Yellow-emitting phosphor blend for electroluminescent lamps
A phosphor blend for an electroluminescent lamp is described that comprises a green-emitting electroluminescent phosphor and a red-emitting photoluminescent phosphor, the blend exhibiting an x...
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7442326 |
Red garnet phosphors for use in LEDs
Phosphor compositions having the formula LlMmAaGgPpQqNnZz:Ce3+, where L is at least one of Li, Na, K, Rb, and/or Cs; M is at least one of Be, Mg, Ca, Sr, Ba, Mn, Sn, Pb, and/or Zn; A is at least...
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7429340 |
Phosphor paste composition and method of manufacturing flat display device using the same
Provided are a phosphor paste composition, a flat display device including the same, and a method of manufacturing the flat display device. The phosphor paste composition contains a phosphor with...
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7404913 |
Codoped direct-gap semiconductor scintillators
Fast, bright inorganic scintillators at room temperature are based on radiative electron-hole recombination in direct-gap semiconductors, e.g. CdS and ZnO. The direct-gap semiconductor is codoped...
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7400085 |
Electroluminescent phosphor, process for producing the same, and electroluminescent device containing the same
An electroluminescent phosphor comprising ZnS-based phosphor core particles and a coating layer provided on the individual core particles, the core particles having a mean particle size of 0.1 to...
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7399430 |
Method for manufacturing phosphor, phosphor and plasma display panel
It is an object of the present invention to control damage of a phosphor caused by an etching solution. Disclosed is a method of manufacturing a phosphor having the steps of: (a) crushing phosphor...
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