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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 at...
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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...
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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...
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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 Nd 3+ as...
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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 MeMgSi...
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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...
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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, barium...
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6919682 |
Magnesium barium thioaluminate and related phosphor materials
A phosphor and a method of deposition. The phosphor comprises a composition of the formula M′ a Ba 1-a M″ 2 M′″ 4′ ; RE, where M′ is at least one element selected from magnesium and...
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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...
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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...
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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...
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6911159 |
Phosphorescent pigments
Improved phosphor pigments are disclosed. The pigments consist of an inorganic phosphor pigment such as a Eu 2+ activated alkaline earth metal aluminate/silicate which is bonded to borosilicate...
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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 (Y...
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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...
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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...
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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....
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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...
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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 water-miscible...
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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...
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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...
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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):
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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...
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6867536 |
Blue-green phosphor for fluorescent lighting applications
A fluorescent lamp including a phosphor layer including Sr 4 Al 14 O 25 :Eu 2+ (SAE) and at least one of each of a red, green and blue emitting phosphor. The phosphor layer can optionally include...
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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...
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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...
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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 ( 24 B) and a blue phosphor ( 25 B). The blue phosphor is provided with or covered by blue pigments.
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6861797 |
green phosphor and device using the same
A green phosphor represented by the formula: A(Zn 1−x Mn x )Al 10 O 17 wherein A is Ca, Ba or Sr and x is a number satisfying 0.02≦x≦0.14.
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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...
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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...
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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...
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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...
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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 of...
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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, the...
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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...
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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...
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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...
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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 (Y 1-x-y Gd x Eu y ) 2 O 3 wherein 0≦x≦0.9 and 0.02≦y≦0.4...
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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 5×10 7 defects/cm 2 or less in a region located from the surface...
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6809781 |
Phosphor blends and backlight sources for liquid crystal displays
A phosphor composition that comprises at least one phosphor emitting in each of the blue, green, and red regions of the visible spectrum is disposed adjacent to a backlight source of a color liquid...
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6808829 |
Image-display device
An image-display device using phosphor can improve the its luminescence efficiency and characteristics of color coordinates by adding an IIA element to a host crystal of ZnS phosphor to form a...
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6805814 |
Phosphor for light-emitting element excited by vacuum ultra-violet ray
The objective of the present invention is to provide a phosphor for use in a light emitting element excited by vacuum ultraviolet-ray that has high brightness even after plasma exposure. This...
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6805813 |
High brightness green-emitting phosphor
A high brightness green-emitting phosphor is described. The phosphor has the general formula: (Y (1-x-y-z) Gd x Tb y La z )BO 3 where 0.01≦x≦0.4, 0.01≦y≦0.1, and 0<z≦0.2. The phosphor...
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6793848 |
Terbium or lutetium containing garnet scintillators having increased resistance to radiation damage
The present invention provides terbium or lutetium garnet x ray scintillators activated with a rare earth metal ion, such as cerium, and treated by annealing in a controlled atmosphere comprising a...
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6793962 |
EL phosphor multilayer thin film and EL device
The invention has for its object to provide an EL phosphor multilayer thin film and EL device which can emit light with improved luminance. This object is achieved by the provision of an EL...
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6794106 |
Radiographic imaging assembly for mammography
A radiographic imaging assembly comprises a radiographic silver halide film having a film speed of at least 100 and a single fluorescent intensifying screen that has a screen speed of at least 200....
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6794810 |
Phosphor composition for low-pressure gas discharge lamps
The phosphor composition for low-pressure gas discharge lamps with a high light efficiency for generating radiation with a color temperature of greater than 5000 K and a very good general color...
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6791253 |
Display
A field-emission display apparatus includes a faceplate on which a phosphor layer is formed, and a means for irradiating electron beam onto the phosphor layer and the phosphor layer is constituted...
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6783699 |
Europium-containing fluorescent nanoparticles and methods of manufacture thereof
Europium-containing fluorescent nanoparticles and methods of preparing such nanoparticles are provided. The nanoparticles are comprised of an aluminum oxide framework having a europium activator, a...
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6783855 |
Rare-earth-activated phosphors
A process for preparing phosphor particles of a host oxide doped with a rare earth or manganese which comprises: preparing an aqueous solution of salts of the host ion and of the dopant ion and a...
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6780346 |
Gallium nitride phosphor and method for producing it
A gallium nitride phosphor of which the particles are coated with a surface-treating compound that contains at least one of P and Sb.
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