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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...
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...
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...
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)GdxTbyLaz)BO3where0.01≦x≦0.4,0.01≦y≦0.1, and0
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...
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...
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...
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...
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...
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,...
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...
6781302 Low pressure mercury vapor fluorescent lamps  
A low mercury consumption electric lamp is provided having a a layer of a luminescent material comprising a phosphor derived from a mixture of a blue-halo calcium halophosphate phosphor having an...
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.
6776927 Oxynitride phosphor activated by a rare earth element, and sialon type phosphor  
An oxynitride phosphor activated by a rare earth element, represented by the formula CaxSi12−(m+n)Al(m+n)OnN16−n: EuyDyz, wherein stabilizing metal (Ca) is substituted partially by Eu or Eu and Dy...
6770221 Single-component white-emitting electroluminescent phosphor and method of making same  
A single-component white-emitting electroluminescent phosphor and its method of making are described. The single-component phosphor exhibits a white emission having an x color coordinate of 0.23...
6765237 White light emitting device based on UV LED and phosphor blend  
A light source including a specific LED and phosphor combination capable of emitting white light for direct illumination. In one embodiment, the light source includes an LED chip emitting in the...
6762548 Color picture screen with blue phosphor layer  
The invention relates to a color picture screen with an improved blue light emission. The blue phosphor layer comprises a first blue-emitting phosphor and a second phosphor which shows a light...
6753645 Plasma display panel  
A plasma display panel comprising plural kinds of phosphor layers emitting different colors of fluorescent light, at least one kind of the phosphor layer being formed of a mixed phosphor obtained...
6753099 Phosphor and imaging device using the same  
The present invention provides a green emitting phosphor which includes an excess of the ordinary SiO2 component included in parent material Y2−2xSiO5 activated by Tb in terms of stoichiometric...
6743378 Plasma display panel with improved mixed green-color fluorescent material  
A mixed green color fluorescent material for an electric device such as a plasma display panel includes: at least a first fluorescent material selected from a Group A defined in a range...
6736995 Plasma picture screen with a phosphor layer  
This invention relates to a plasma picture screen provided with a phosphor layer which comprises an intrinsically pigmented phosphor. The plasma picture screen has an improved value for the...
6736994 Phosphor  
A phosphor having a high emission luminance and a vacuum ultra-violet radiation excited light emitting element in which the phosphor is used are provided. The phosphor may be made of Ba, Gd, Y, B,...
6734469 EL phosphor laminate thin film and EL device  
An object of the invention is to provide an EL phosphor laminate thin film and EL device which can emit light at a high luminance. The object is achieved by stacking a phosphor thin film and a...
6731057 Phosphors for fluorescent lamps  
A phosphor represented by the formula (1−x)CaO.EU(O).yMgO.nSiO2, wherein x, y and n represent number of moles, respectively, provides increased initial luminous intensity and exhibits superior...
6716368 Phosporescent polycarbonate and molded articles  
The present invention is drawn to a transparent or translucent thermoplastic composition comprising a thermoplastic polycarbonate resin and a phosphorescent phosphor with an aluminate matrix...
6717355 Light-emitting unit  
A light-emitting device with an emission wavelength range of from 360 nm to 550 nm and a fluorescent material made of Ca—Al—Si—O—N oxynitride activated with Eu2+ are used so that a part of light...
6716524 Rare earth borate and making method  
A rare earth borate in the form of substantially spherical, uniform diameter particles having an average particle diameter of 0.5-2 μm is prepared by mixing substantially spherical rare earth...
6706210 Ternary oxide phosphor particles  
Phosphor compositions are prepared by treating metal oxides or mixed-metal oxides with refractory metals to form cathodoluminescent phosphors stimulatable by electrons of very low energy. The...
6706314 Method of labelling an object  
The present invention in one aspect is directed to a method for labeling the durable surface of an object for its identification, which object has a durable surface or a durable surface tag...
6707249 Electroluminescent device and oxide phosphor for use therein  
The present invention provides an oxide phosphor for use in an electroluminescent device, which phosphor is capable of providing a high-luminance EL device while the composition thereof is...
6706213 Phosphor, radiation detector containing the same, and X-ray CT apparatus  
A novel phosphor represented by the general formula (Gd1-y-zCeyScz)3Al5-dGadO12 (wherein y, z and d are values falling in the ranges of 0.0005≦y≦0.05, 0
6702959 Long life, white light emitting electroluminescent phosphor  
A long-life, white-emitting phosphor blend is provided which comprises about 75 wt. % of a first electroluminescent phosphor having an x color coordinate of about 0.530 and a y color coordinate of...
6702957 Process and apparatus for producing oxidic nanocrystals  
The present invention relates to oxidic nanocrystals and a process and apparatus for producing oxidic nanocrystals from metalorganic compounds or volatile inorganic compounds. In particular, the...
6699406 Rare earth doped host materials  
A rare earth element doped composition having a dopant concentration of up to about 60 mole percent of one or more rare earth elements selected from Tb, Dy, Ho, Er, Tm, Yb and Lu, wherein the...
6699598 Laminar body having phosphorescent properties, process for producing it and its use  
Laminar body comprising a substrate, and applied thereto on one or both sides, at least one layer containing an enamel, wherein the layer or layers containing an enamel contains at least one phosphor.
6695905 PIGMENTS HAVING A VIEWING ANGLE DEPENDENT SHIFT OF COLOR, METHOD FOR PRODUCING SAID PIGMENTS, USE OF SAID PIGMENTS IN SECURITY APPLICATIONS, COATING COMPOSITION COMPRISING SAID PIGMENTS AND A DETECTING DEVICE  
The invention describes luminescent optically variable pigments (OVP), methods for obtaining such pigments, as well as the use of such pigments as security elements in inks, coatings and articles....
6695980 Compressed fluid formulation containing electroluminescent material  
An imaging composition comprises a mixture of a fluid and a functional material; wherein the fluid is compressed and the functional material is an electroluminescent material which is dissolved,...
6696782 Green-emitting phosphor and image display device using the same  
Green-emitting phosphor having a composition formula represented by (Y1-x-aGdxMa)3-3yTb3y(Al1-zGaz)5O12, where 0
6695981 Method for manufacturing luminescent material, luminescent material manufactured by the same manufacturing method, and display substrate and display apparatus having the same luminescent material  
The present invention provides a method for manufacturing a luminescent material whereby the surfaces of phosphor particles are uniformly coated with glass, and a luminescent material made up of...
6692660 High luminescence phosphor particles and related particle compositions  
Methods for producing metal/metalloid oxide particles comprise rare earth metals herein include reacting a reactant stream in a gas flow. The reactant stream includes a rare earth metal precursor...
6689292 Method of producing aluminate phosphor  
It is desired to provide an aluminate phosphor having a high emission luminance, a method for producing the same, and a vacuum ultra-violet radiation excited light emitting element in which the...
6690119 Phosphor, method for preparing phosphor layer and vacuum fluorescent display  
A phosphor without using cadmium having excellent luminous characteristic which emits a light in the visible region. The phosphor is prepared by mixing 1% of B2O3 powder and 10% of In2O3 with...
6686074 Secured documents identified with anti-stokes fluorescent compositions  
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...
6685852 Phosphor blends for generating white light from near-UV/blue light-emitting devices  
Phosphor blends are disclosed that are capable of absorbing electromagnetic radiation having wavelengths in the range from about 315 nm to about 480 nm. These blends are mixtures of phosphors...
6682663 Pigment with day-light fluorescence  
A pigment, especially a yellow to red emitting luminescent material, with a host lattice of the nitridosilicate type MxSiyNz:Eu, wherein M is at least one of an alkaline earth metal chosen from...
6680004 Method of producing aluminate fluorescent substance, a fluorescent substance and a diode containing a fluorescent substance  
A method of producing an aluminate fluorescent substance, a fluorescent substance and a device containing a fluorescent substance. The method includes the steps of mixing an α-alumina powder...
6677262 Rare earth oxide, basic rare earth carbonate, making method, phosphor, and ceramic  
A rare earth oxide in the form of substantially spherical particles having a Fisher diameter Df of 0.5 μm
6676853 Phosphor for vacuum ultraviolet excitation material  
The present invention provides a phosphor for a vacuum ultraviolet (VUV) excitation material, obtained by adding Eu or Tb to a compound comprising Gd, Al and O. The present invention also provides...
6669867 Oxide-based quantum cutter method and phosphor system  
A method of producing two visible light photons from an oxide-based phosphor doped with praseodymium (Pr) and including atoms of at least one activator in response to excitation with a single...
6669866 Luminous substance for a light source and light source associates therewith  
A phosphor for light sources, the emission from which lies in the short-wave optical spectral region, as a garnet structure A3B5O12. It is activated with Ce, the second component B representing at...