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7309454 UV-emitting strontium borate phosphor with improved holdover stability  
A UV-emitting phosphor comprising SrB 4 O 7 :Eu phosphor particles that have been treated to yield a surface layer containing from greater than 0 to about 25 atomic percent aluminum. The holdover...
7223482 Phosphor for a plasma display device coated with a continuous thin protective layer and method of manufacture  
Phosphor coated with wide bandgap metal oxide which can be used for a plasma display panel (PDP) has a surface that is coated with a continuous, thin film of wide bandgap metal oxide. In preparing...
7147890 Method for coating phosphor particles  
This invention relates to coated particles used as phosphor particles for a phosphor screen of a display and a coating method for such particles. In the coating method of the present invention,...
6918963 Method and apparatus for coating electroluminescent phosphors  
A process for preparing particles of zinc sulfide-based electroluminescent phosphor having a moisture resistant coating thereon which comprises the steps of selecting a reaction vessel having a...
6913787 Coating particles by colliding larger fluidized particles to smaller slurry particles  
This invention relates to coated particles used as phosphor particles for a phosphor screen of a display and a coating method for such particles. In the coating method of the present invention,...
6849297 Encapsulated long life electroluminescent phosphor  
A process for making an electroluminescent phosphor having a given emission spectra A, comprises the steps of manufacturing a beginning electroluminescent phosphor having an emission spectra B,...
6773813 Particles with vapor deposition coating  
A new fluidized bed particle coating method is disclosed by the use of which coatings can be uniformly and conveniently deposited on the surfaces of fluidized particulate materials by vapor...
6733826 Method and apparatus for coating electroluminescent phosphors  
A process for preparing particles of zinc sulfide-based electroluminescent phosphor having a moisture resistant coating thereon which comprises the steps of selecting a reaction vessel having a...
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...
6686043 Method for making long-life electroluminescent phosphor  
A method of coating phosphor particles comprises introducing an inert gas into a reaction vessel and charging phosphor particles into the reaction vessel. The reaction vessel is then heated to a...
EP0964043B1 Method for making long-life electroluminescent phosphor  
Abstract of EP0964043 A method of coating phosphor particles comprises introducing an inert gas into a reaction vessel and charging phosphor particles into the reaction vessel. The reaction vessel...
6623807 Stabilization of color in heated electroluminescent phosphor  
A method of increasing the color-stability of an electroluminescent phosphor which comprises the steps of forming the phosphor and then firing the formed phosphor in a vacuum in the presence of a...
6602547 Method of coating particles by vapor deposition  
A new fluidized bed particle coating method is disclosed by the use of which coatings can be uniformly and conveniently deposited on the surfaces of fluidized particulate materials by vapor...
6509058 Moisture insensitive electroluminescent phosphor  
A phosphor particle has thereon a moisture resistant treatment of a metallic nitride. By moisture resistant is meant a condition allowing the phosphor particle to function in a humid atmosphere for...
6456002 Moisture insensitive electroluminescent phosphor  
A phosphor particle has thereon a moisture resistant treatment of a metallic nitride. By moisture resistant is meant a condition allowing the phosphor particle to function in a humid atmosphere for...
6447908 Method for manufacturing phosphor-coated particles and method for forming cathodoluminescent screen using the same for field emission display  
A method for forming a cathodoluminescent screen by forming cathodoluminescent films on the inner surface of screen panel for a field emission display by a screen printing, a spray, or an...
6426115 Method for making high-efficacy and long life electroluminescent phosphor  
A method of coating phosphor particles by chemical vapor deposition. The phosphors are coated by introducing an inert gas into a reaction vessel; charging phosphor particles into the reaction...
6361864 Method for making high-efficacy and long life electroluminescent phophor  
A method of coating phosphor particles by chemical vapor deposition. The phosphors are coated by introducing an inert gas into a reaction vessel; charging phosphor particles into the reaction...
6309700 Method of making long life electroluminescent phosphor  
A method of coating phosphor particles that comprises the steps of introducing an inert gas into a reaction vessel; charging phosphor particles into the reaction vessel; heating the reaction vessel...
6212794 Gaseous fluidization aids  
A method of assisting with fluidization of difficult-to-fluidize materials and to improve the quality of fluidization of particles in general. The use of either helium or hydrogen as a gaseous...
6064150 Nitride coated particle and composition of matter comprised of such particles  
A phosphor particle having thereon a conformal coating of aluminum nitride. By conformal coating is meant a coating that follows the surface contours of the individual particles. The method of...
6039894 Production of substantially monodisperse phosphor particles  
The invention relates to a method for producing activated, substantially monodisperse, phosphorescent particles and particles formed thereby. The method suspends substantially monodisperse,...
EP0964043A1 Method for making long-life electroluminescent phosphor  
A method of coating phosphor particles comprises introducing an inert gas into a reaction vessel and charging phosphor particles into the reaction vessel. The reaction vessel is then heated to a...
5985175 Boron oxide coated phosphor and method of making same  
A method for forming a continuous, conformal non-particulate coating of boron oxide on individual phosphor particles is provided. The method involves reacting a boron-containing precursor with an...
5958591 Electroluminescent phosphor particles encapsulated with an aluminum oxide based multiple oxide coating  
Encapsulated electroluminescent phosphor particles and a method of making same. Each phosphor particle is encapsulated by a substantially transparent aluminum oxide-based multiple oxide coating....
5908698 Encapsulated electroluminescent phosphor and method for making same  
Encapsulated electroluminescent phosphor particles and method for making same. The phosphor particles are encapsulated in a very thin oxide layer to protect them from aging due to moisture...
5798137 Method for silicon deposition  
Silicon beads are produced by chemical vapor deposition (CVD) on seed particles generated internal to a CVD reactor. The reactor has multiple zones, including an inlet zone where beads are...
EP0607061B1 High intensity discharge lamp  
Abstract of EP0607061 A high intensity discharge lamp comprising an arc tube (11) disposed within an outer sealed glass envelope (13), said arc tube containing a fill material for supporting an...
5593782 Encapsulated electroluminescent phosphor and method for making same  
Encapsulated electroluminescent phosphor particles and method for making same. The phosphor particles are encapsulated in a very thin oxide layer to protect them from aging due to moisture...
5552665 Electric lamp having an undercoat for increasing the light output of a luminescent layer  
An electric lamp having a luminescent layer on the lamp envelope which produces visible light when impinged by ultraviolet radiation generated within the lamp. An undercoat for the luminescent...
5525259 Europium-doped yttrium oxide phosphor  
Disclosed is a large size Y 2 O 3 :Eu lamp phosphor as a red component for a water degradation resistant blend of fluorescent phosphors having large sized green phosphor particles and the method...
EP0464179B1 PHOSPHORS WITH IMPROVED LUMEN OUTPUT AND LAMPS MADE THEREFROM  
Abstract not available for EP0464179
5439705 Encapsulated electroluminescent phosphor and method for making same  
Encapusalated electroluminescent phosphor particles and method for making same. The phosphor particles are encapsulated in a very thin oxide layer to protect them from aging due to moisture...
5418062 Encapsulated electroluminescent phosphor particles  
Encapsulated electroluminescent phosphor particles and method for making same. The phosphor particles are encapsulated in a very thin oxide layer to protect them from aging due to moisture...
EP0607061A1 High intensity discharge lamp.  
A high intensity discharge lamp comprising an arc tube (11) disposed within an outer sealed glass envelope (13), said arc tube containing a fill material for supporting an electrical discharge and...
5309069 Phosphors with improved lumen output and lamps made therefrom  
A fluorescent lamp providing improved maintenance and brightness includes an alkaline earth halophosphate (Cool-White) phosphor, e.g. a calcium halophosphate phosphor, having a continuous...
5273774 Method of making zinc sulfide electroluminescent phosphor particles  
A copper- and/or manganese-activated zinc sulfide electroluminescent phosphor is made by coating particles of a ferroelectric material with a very thin coating of the phosphor. The phosphor is made...
5258201 Method of forming a partial coating on phosphor particles by coating the phosphors in a fluidize bed for a limited time and subsequently annealing to promote ionic diffusion  
A method of forming a partial protective coating on phosphor particles to improve initial power output and maintenance of fluorescent lamps made with the phosphor. The phosphor particles are...
5198029 Apparatus for coating small solids  
The present invention is directed to an apparatus useful for fluidizing small particulate solids having a diameter of less than about 50 microns in average particle size, and at least partially...
5196234 Method for preparing zinc orthosilicate phosphor particle  
A method for preparing a specific zinc orthosilicate phosphor particle having a nonparticulate, conformal aluminum oxide coating wherein all of a manganese activator is present as manganese (II)...
5188763 Method for preparing zinc orthosilicate phosphor  
A manganese-activated zinc orthosilicate phosphor having the empirical formula: Zn (2.00-x-y) Mn x SiO (4.00-y) (WO 3 ) z wherein: 0.04≤x≤0.15; 0≤y≤0.05; and 0≤z≤0.002 is...
5156885 Method for encapsulating electroluminescent phosphor particles  
Encapsulated electroluminescent phosphor particles and method for making same. The phosphor particles are encapsulated in a very thin oxide layer to protect them from aging due to moisture...
5151215 Pre-water-based suspension alumina coated phosphor treatment process  
A method for eliminating carbonaceous contaminants and preventing the hydration/solubilization of the alumina protective coating of a phosphor is described. The method involves the heating a...
5126166 Method of reducing the degradation of the red phosphor, Y203:EU, in water base lamp suspensions  
A method has been found which reduces substantially the degradation of the red phosphor, Y 2 O 3 :Eu, in water base fluorescent lamp suspension, thereby prolonging the shelf life of triphosphor...
5113118 Phosphors with improved lumen output and lamps made therefrom  
A phosphor having a continuous protective bi-layer coating of alumina surrounding silica surrounding the phosphor particles is disclosed. The method of making a bi-layer coating on phosphor...
5094185 Electroluminescent lamps and phosphors  
Electroluminescent phosphors, electroluminescent panels and lamps made with such phosphors, and a process and apparatus for treating phosphors are disclosed in which the phosphor particles are...
5087523 Phosphors with improved lumen output and lamps made therefrom  
A phosphor having a continuous protective bi-layer coating of alumina surrounding silica surrounding the phosphor particles is disclosed. The method of making a bi-layer coating on phosphor...
5080928 Method for making moisture insensitive zinc sulfide based luminescent materials  
A process is disclosed for coating phosphors with hydrolyzed alkylaluminum. The hydrolyzed alkylaluminum coating renders the phosphors insensitive to atmospheric moisture. the coating process...
5071590 Method for increasing the cohesiveness of powders in fluid beds  
This invention concerns the addition of fibrous alumina material to a phosphor or phosphor mixture before fluidization as a means of increasing the cohesiveness of the phosphor or phosphor mixture....
5051277 Method of forming a protective bi-layer coating on phosphore particles  
The method of making a bi-layer coating on phosphor particles is disclosed. The first layer surrounding the phosphor is silica. The second layer surrounding the phosphor is alumina. The bi-layer...
Matches 1 - 50 out of 68 1 2 >