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6994802 Cathodoluminescent phosphor powders, methods for making phosphor powders and devices incorporating same  
Cathodoluminescent phosphor powders and a method for making phosphor powders. The phosphor powders have a small particle size, narrow particle size distribution and are substantially spherical....
6995374 Single crystal scintillators  
A single crystal scintillator with perovskite structure is described. The crystal is formed by crystallisation from the liquid and has the composition CexLu(1-x-z)AzAl(1-y)ByO3 where A is one or...
6992432 Fluorescent lamp  
A mercury vapor discharge lamp having a barrier layer and a single phosphor layer. The phosphor layer comprises 10–50 weight percent halophosphors and 50–90 weight percent rare earth phosphors....
6984460 Phosphor thin film, manufacturing method of the same, and electroluminescence panel  
The present invention aims at providing a phosphor thin film capable of realizing a light-emitting device attaining an excellent response, favorable color purity, and emission with a high...
6982523 Red light emitting phosphor, its production and light emitting device  
As a red light emitting phosphor capable of efficiently emitting red light at a high luminance in response to exciting light having a wavelength of 350-420 nm, and practically used in a light...
6982046 Light sources with nanometer-sized VUV radiation-absorbing phosphors  
A light source comprises: (a) a source of plasma discharge that emits electromagnetic radiation, a portion of which has wavelengths shorter than about 200 nm; and (b) a phosphor composition that...
6977182 Semiconductor nanoparticles, method for producing the same, and fluorescence reagent comprising semiconductor nanoparticles  
This invention provides semiconductor nanoparticles having fluorescence properties and comprising a modifying group represented by the following general formula bound to their surfaces, a method...
6969475 Photoluminescent alkaline earth aluminate and method for making the same  
A photoluminescent phosphorescent material for emergency lighting and the like. An alkaline earth aluminate base material is alloyed with a lanthamide earth element and a transition metal element....
6967440 Plasma display panel with a green phosphor composed of a mixture of aluminates of spinel structure  
Panel including a transparent front plate and a rear plate that leave between them discharge spaces, the walls of which are at least partly coated with a layer of a phosphor capable of emitting...
6965193 Red phosphors for use in high CRI fluorescent lamps  
Novel red emitting phosphors for use in fluorescent lamps resulting in superior color rendering index values compared to conventional red phosphors. Also disclosed is a fluorescent lamp including...
6960310 Phosphor for vacuum ultraviolet ray-excited light-emitting element  
A phosphor for vacuum ultraviolet ray-excited light-emitting elements which comprises a compound represented by the following formula (I): M11−a−b−c−dM2aM3bM41−eM511−fM6c−d+e+fO19−(b+c+f)/2 (I)...
6960309 Plasma display apparatus, fluorescent material, and fluorescent material manufacturing method  
The present invention inhibits water adsorption onto the surface of a blue phosphor, decreases luminance degradation and chromaticity shift of a phosphor, or improves discharge characteristics...
6953536 Long persistent phosphors and persistent energy transfer technique  
The invention provides long-persistent phosphors, methods for their manufacture and phosphorescent articles. The invention also provides a method for generating a long-persistent phosphorescence...
6946785 Oxide composite particle and method for its production, phosphor and method for its production, color filter and method for its manufacture, and color display  
An oxide composite particle of the present invention is composed of at least one fine gold particle contained in a matrix of an oxide particle or at least one fine gold particle supported fixedly...
6940216 Gas discharge lamp for dielectrically impeded discharges comprising a blue phosphor  
The invention relates to a gas discharge lamp for dielectrically impeded discharges, which gas discharge lamp includes a phosphor layer containing a blue phosphor with a host lattice and Nd3+ as...
6939480 Plasma display device  
Disclosed is a plasma display device that provides high luminance and minimal degradation in luminance under panel operations. A blue phosphor in a phosphor layer has a crystal structure of...
6939481 White light emitting phosphor blends for LED devices  
There is provided white light illumination system including a radiation source, a first luminescent material having a peak emission wavelength of about 575 to about 620 nm, a second luminescent...
6921730 Glass composition, protective-layer composition, binder composition, and lamp  
A phosphor layer is composed of tri-band phosphor particles bound together by a binder. A material as the main component of the binder is a mixture of (1) a compound formed by calcium oxide,...
6922013 High voidage phosphor layer and vacuum UV excited light emitting element  
A phosphor layer having a high luminance, and a vacuum ultra-violet radiation excited light emitting element are provided. A phosphor layer having a voidage of not less than 60 vol %, the phosphor...
6919682 Magnesium barium thioaluminate and related phosphor materials  
A phosphor and a method of deposition. The phosphor comprises a composition of the formula M′aBa1-aM″2M′″4′; RE, where M′ is at least one element selected from magnesium and calcium, M″ is at...
6919060 Process for producing particles of a metal compound  
The object of the present invention is to provide a process for producing particles of a metal compound having a spherical particle shape and an average particle diameter larger than 0.3 μm...
6917153 Gas discharge lamp with down conversion luminophore  
A luminophore capable of down conversion has a host lattice with a pair of activators of a first lanthanoid ion and a second lanthanoid ion and a co-activator of a third lanthanoid ion. A gas...
6911251 Composite scintillator material and method of manufacture  
An optically nonisotropic composite material. The composite material includes two materials, a transparent bulk optical material and radiation absorbing or reflecting fibers embedded within the...
6911159 Phosphorescent pigments  
Improved phosphor pigments are disclosed. The pigments consist of an inorganic phosphor pigment such as a Eu2+ activated alkaline earth metal aluminate/silicate which is bonded to borosilicate...
6905538 Invisible ink jet inks  
Water-based invisible red fluorescent inks provide machine-readable, inverse contrast invisible images and can be printed using conventional ink jet printers. The inks employ rare earth complexed...
6905635 Gallium nitride phosphor, its method of manufacture, and a display device using the phosphor  
This invention presents a gallium nitride phosphor with superior light emitting characteristics, its method of manufacture, and a display device which uses the phosphor. By heat treatment or...
6905636 Method for the production of europium activated yttrium gadolinium borate phosphor particles  
The present invention relates to a method for producing europium activated yttrium gadolinium borate phosphors and a product produced by the method. The chemical formula of said phosphors is...
6899827 Inorganic optical taggant and method of making  
Sintered, translucent ceramic microbeads, preferably alumina, titania, zirconia, yttria, zirconium phosphate, or yttrium aluminum garnet (YAG) are doped with one or more optically active species....
6899826 Process for producing fluorescent metal oxide material  
A process for producing a metal oxide phosphor includes a step of firing a powder containing an organic metal chelate complex including a plurality of metals constituting the metal oxide at a...
6893490 Ink for display panel and method for producing plasma display panel using the same  
An ink for a display panel that at a time of application is a mixture of a powder material, a water-soluble resin included in a range of 1 wt % to 20 wt % inclusive of the ink, and a...
6876146 Electroluminescence phosphor multilayer thin film and electroluminescence element  
The present invention aims at realizing a phosphor thin film having a high luminance with a low emission threshold voltage, and an EL element comprising the same. The EL element of the present...
6872450 Water-stable photoluminescent semiconductor nanocrystal complexes and method of making same  
A method for preparing water-stable semiconductor nanocrystal complexes that can be stably coupled to tertiary molecules using a self-assembled coating of diblock polymers. The diblock polymers...
6869544 Process for producing nanoscale yttrium aluminum garnet (YAG) fluorescent powders  
The present invention pertains to a process for synthesizing nano-scale yttrium aluminum garnet (YAG) fluorescent powders having formula (I): (Y3−xR1x)(Al5−yR2y)O12 (I) wherein R1 and R2 are...
6869545 Colloidal nanocrystals with high photoluminescence quantum yields and methods of preparing the same  
The present invention provides new compositions containing colloidal nanocrystals with high photoluminescence quantum yields, new synthetic methods for the preparation of highly luminescent...
6867536 Blue-green phosphor for fluorescent lighting applications  
A fluorescent lamp including a phosphor layer including Sr4Al14O25:Eu2+ (SAE) and at least one of each of a red, green and blue emitting phosphor. The phosphor layer can optionally include an...
6866796 Blue phosphor for fluorescent display and method for synthesizing the same  
Provided are a blue phosphor for a fluorescent display having a high luminous efficiency, and a method for synthesizing the same. The blue phosphor is obtained from a host composed of strontium...
6863996 Fluorescent thin film, its fabrication process, and EL panel  
A fluorescent thin film is provided, including a matrix material containing as a main component a rare earth sulfide or a rare earth selenide and a rare earth element additive as a light emission...
6861794 Color display device with color filter and pigment  
A display device (1) comprises a display screen (10) which comprises a blue color filter layer (24B) and a blue phosphor (25B). The blue phosphor is provided with or covered by blue pigments.
6861797 green phosphor and device using the same  
A green phosphor represented by the formula: A(Zn1−xMnx)Al10O17 wherein A is Ca, Ba or Sr and x is a number satisfying 0.02≦x≦0.14.
6855271 Coated phosphor filler and a method of forming the coated phosphor filler  
An improved coated phosphor filler for an optical device includes a plurality of individual phosphor filler particles, and a coating layer having a plastic substance coated on each of the phosphor...
6853131 Single phosphor for creating white light with high luminosity and high CRI in a UV LED device  
There is provided a white light illumination system. The illumination system includes a radiation source which emits either ultra-violet (UV) or x-ray radiation. The illumination system also...
6846434 Aluminum oxide material for optical data storage  
The present invention provides aluminum oxide crystalline materials including dopants and oxygen vacancy defects and methods of making such crystalline materials. The crystalline materials of the...
6844671 High luminosity phosphor blends for generating white light from near-UV/blue light-emitting devices  
The present invention provides phosphor blends that are excitable by electromagnetic radiation having wavelengths in the near Uv-to-blue range (from about 315 nm to about 480 nm) to emit a visible...
6841093 Method for manufacturing spherical blue fluorescent substance  
The present invention relates to a method for manufacturing spherical and highly crystalline BAM blue phosphor particles, that are close to a single crystal. According to the present invention,...
6841092 Anti-stokes fluorescent compositions and methods of use  
The present invention provides a secured document including a composition capable of anti-Stokes fluorescence containing an ion capable of absorption of electromagnetic radiation, an ion capable...
6833672 Plasma display panel and a method for producing a plasma display panel  
The plasma display panel of the present invention has, for achieving high luminance and high reliability, a plurality of discharge spaces formed between a front panel and a back panel that are...
6833086 Phosphor powder and production method therof, display panel, and flat-panel display device  
A phosphor powder is composed of a host material made of an element coming under the group II of the periodic table and an element coming under the group VI of the periodic table, an activator and...
6830706 Stable blue phosphor for plasma display panel applications  
Small particle divalent europium activated alkaline earth halide aluminate phosphors are produced by thermal decomposition of respective oxides, carbonates and nitrates in presence of activated...
6827877 Red-emitting phosphor blend for plasma display panels  
A red-emitting phosphor blend is provided which comprises a mixture of a first red-emitting phosphor having a general formula of (Y1-x-yGdxEuy)2O3 wherein 0≦x≦0.9 and 0.02≦y≦0.4 and a second...
6819041 Luminescence crystal particle, luminescence crystal particle composition, display panel and flat-panel display  
A luminescence crystal particle which emits light upon irradiation with an energy beam and which has a crystal defect density of 5×107 defects/cm2 or less in a region located from the surface of...