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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...
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...
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 ...
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...
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...
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...
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.
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...
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...
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...
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...
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...
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....
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...
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...
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...
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...
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...
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...
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....
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...
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...
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...
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.
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...
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;...
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...
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...
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...
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;...
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...
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...
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...
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...
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...
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...
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.
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...
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...
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...
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.
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...
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...
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...
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...
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...
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...
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...
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...
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...