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| Number | Title | Issue Date |
| 8178002 | Oxy-nitride pyrosilicate based persistent phosphors A blue or yellow persistent phosphor composition is provided, along with methods for making and using the composition. In one embodiment, the phosphor comprises a formula of Aa-b-c-BdCe(Of-gNg):Eub,-R... | 05/15/2012 |
| 7465413 | Phosphor and plasma display panel using the same A phosphor of the present invention is characterized by: having a phosphor main portion containing zinc silicate as a base material and manganese as an activator; and having at least one element from among titanium (Ti), zirconium (Zr), and hafnium (Hf), or having a... | 12/16/2008 |
| 7452485 | Phosphor and plasma display panel Disclosed are a phosphor in which prevention of aging deterioration of luminance and prevention of deterioration of discharging characteristics are compatible, a method of manufacturing the phosphor, and a plasma display panel manufactured by using the phosphor. A p... | 11/18/2008 |
| 7384575 | Manganese activated zinc silicate phosphor and plasma display panel A manganese activated zinc silicate phosphor comprising phosphor particles having a crystal lattice distortion factor of 0.01 to 1.0% which exhibits high emission intensity and reduced afterglow time and a PDP utilizing the same which exhibits high white luminance a... | 06/10/2008 |
| 7303697 | Phosphor and production process for the same The object of the present invention is to provide a phosphor which is excellent in transparency, light transmittance, luminescence efficiency and luminescent intensity and at the same time, processes for producing the phosphor. Preferred embodiments of the invention... | 12/04/2007 |
| 7270774 | Phosphor having resistance to deterioration caused by ultraviolet rays, and gas discharge display device of which image quality is not readily deteriorated over time A manganese-activated zinc silicate phosphor according to the present invention satisfies 0 | 09/18/2007 |
| 7241400 | Phosphor A phosphor includes particles having an average particle size of from 10 nm to 2 μm, wherein 90% by mass or more of all of the particles have particle sizes within ±30% of the average particle size and a ratio of particles having no corners to all of the particles... | 07/10/2007 |
| 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 about 0.455; about 10 wt. % of a second electroluminescent... | 03/09/2004 |
| 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, dispersed and/or solubilized in the compressed fluid; and wh... | 02/24/2004 |
| 6666991 | Fluorescent or phosphorescent composition A fluorescent or luminous composition, comprising a multilayered film-coated powder having at least two coating films on a base particle, and a fluorescent or luminous substance; the composition, wherein at least one layer of the coating films contains th... | 12/23/2003 |
| 6660184 | Phosphor paste compositions A phosphor paste composition for plasma display panels (PDP) is provided which comprises a phosphor dispersed in an organic paste comprising a solvent, a binder, at least one dispersant comprising stearic acid, and a plasticizer. The paste compositions ar... | 12/09/2003 |
| 6627113 | Phosphor consisting of hollow particles, phosphor slurry, phosphor beads for analysis using tracer technique and their production processes A phosphor consisting of hollow particles, each hollow particle having an outer shell and a space in the inside of said outer shell.... | 09/30/2003 |
| 6613137 | Coating composition, preferably printing ink for security applications, method for producing a coating composition and use of glass ceramics The present invention relates to coating compositions, preferably printing inks for security applications comprising at least one organic resin, at least one pigment and optionally at least one organic solvent. Said pigment comprises glass ceramic composi... | 09/02/2003 |
| 6590333 | Rare earth phospho-vanadate phosphors, display system and light emitting system Rare earth phospho-vandate phosphors containing at least one element of Group IV of the periodic table have spherical or cubic shaped particles and provide higher brightness and longer brightness life, and effective for use in display systems and light em... | 07/08/2003 |
| 6576156 | Phosphors with nanoscale grain sizes and methods for preparing the same Phosphor nanoscale powder is prepared by forming a solution or slurry which comprises phosphor precursors and then firing the solid residue of the solution or slurry which comprises the phosphor precursors.... | 06/10/2003 |
| 6572784 | Luminescent pigments and foils with color-shifting properties Interference pigment flakes and foils are provided which have luminescent and color-shifting properties. The pigment flakes can have a symmetrical coating structure on opposing sides of a core layer, can have an asymmetrical coating structure with all of ... | 06/03/2003 |
| 6565770 | Color-shifting pigments and foils with luminescent coatings Interference pigment flakes and foils are provided which have luminescent and color-shifting properties. A luminescent material coating structure is provided which partially covers or encapsulates a color-shifting pigment flake, or covers the outer surfac... | 05/20/2003 |
| 6562260 | Recovery of electroluminescsent phosphor from encapsulated material A method of recovering a base phosphor from encapsulated phosphors, which comprises the steps of selecting a recovery vessel including a magnetic stir bar; adding to the recovery vessel, deionized water, a first batch of concentrated hydrochloric acid and... | 05/13/2003 |
| 6555958 | Phosphor for down converting ultraviolet light of LEDs to blue-green light There is provided a blue-green illumination system, comprising a light emitting diode, and a luminescent material having emission CIE color coordinates located within an area of a of a pentagon on a CIE chromaticity diagram, whose corners have the followi... | 04/29/2003 |
| 6555022 | Oxygen-containing phosphor powders, methods for making phosphor powders and devices incorporating same Phosphor powders and a method for making phosphor powders. The powders are oxygen-containing, such as metal oxides, silicates, borates or titanates and have a small particle size, narrow particle size distribution and are substantially spherical. The meth... | 04/29/2003 |
| 6469434 | Zinc silicate luminescent materials and related luminescent screen products Willemite (Zn2 SiO4 :Mn) is doped with one or more ions selected from the group formed by Gd3+, Eu2+, Co2+, Ce3+, Pr3+, Nd3+, Sm3+, Tb3+, Dy3+ | 10/22/2002 |
| 6440329 | SrTiO3:Pr, A1 based phosphor having efficient emission at low voltage A SiTiO3 :Pr, Al based phosphor having efficient emission at a low voltage, which is an oxide phosphor emerging as a very likely substitute for sulfide based phosphors. The SrTiO3 :Pr, Al based phosphor has the composition of (Me | 08/27/2002 |
| 6402985 | Method for preparing efficient low voltage phosphors and products produced thereby Doped phosphors (e.g., metal orthosilicates) are made by adding solid particulate precursor to a solution of an alkoxide precursor and a dopant precursor before hydrolysis is allowed to occur. The mixture is then allowed to hydrolyze, resulting in a sol-g... | 06/11/2002 |
| 6372155 | Oxide glass showing long afterglow and accelerated phosphorescence The object of the present invention is to provide an oxide glass capable of exhibiting a long lasting afterglow and photostimulated phosphorescence, whereby energy can be accumulated by radiation excitation, for example, by γ-rays, X-rays, UV-rays, etc. ... | 04/16/2002 |
| 6373184 | Red phosphor for fluorescent display and preparation method thereof Provided with a phosphor for a fluorescent display that includes at least one divalent transition metal and at least two trivalent metal added to SrTiO3 and having a formula of: SrTi1-x-y Mx Ny O3 :zPr | 04/16/2002 |
| 6303051 | Phosphate treated silicate phosphor A novel phosphate treated silicate phosphor has been invented that exhibits improved lumen maintenance with respect to the untreated phosphor when used in a fluorescent lamp. In one aspect, a protective phosphate-containing surface layer is formed by trea... | 10/16/2001 |
| 6300264 | Luminous glass A luminous glass comprising, in percent by weight, the following components: SiO2 46-66 Al2 O3 18-30 MgO 0-12 ... | 10/09/2001 |
| 6290874 | Display screen comprising a metal oxide-containing phosphor composition A display screen comprising a phosphor composition which includes a phosphor and a phosphor coating with a group of metal-oxygen compounds, the group of metal-oxygen compounds containing an yttrium-oxygen compound, is characterized by a surprising improve... | 09/18/2001 |
| 6287993 | Long-lasting phosphorescent glasses and glass-ceramics Long-lasting phosphorescent glasses and glass-ceramics have a composition containing 30-65 mol % SiO2 and 20-50 mol % ZnO as basic ingredients and may also contain, as an activator or an auxiliary activator, 0-5 mol % Lnx Oy | 09/11/2001 |
| 6287793 | Diagnostic methods for alzheimer's disease Methods are disclosed for the identification of key diagnostic antibodies and antigens characteristic of a disease state of interest. Key diagnostic antibodies and antigens, diagnostic kits, and methods for diagnosis, are disclosed for Alzheimer's disease... | 09/11/2001 |
| 6271160 | Oxide phosphorescent glass capable of exhibiting a long lasting afterglow and photostimulated luminescence The present invention provides an oxide glass capable of exhibiting a long lasting afterglow and photostimulated phosphorescence, can be used not only as a material for confirming an infrared laser or controlling an optical axis, but also as a material fo... | 08/07/2001 |
| 6251491 | Luminous sticker having ornamental effect A method of manufacturing a luminous sticker having heterogeneous pasteboard 1, double-faced adhesive paper 2, and a luminous layer 3, wherein the sticker has a luminous layer 3 by adding light condensing material, which has good brightness and has long l... | 06/26/2001 |
| 6204211 | Luminous glass ceramics A luminous glass ceramic comprising a main crystallized phase of spinel or a solid solution of spinel including the components in weight %: SiO2 30-65 Al2 O3 5-35 MgO... | 03/20/2001 |
| 6197218 | Photoluminescent phosphor powders, methods for making phosphor powders and devices incorporating same Photoluminescent 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. The method of the invention advantageously permits the economic... | 03/06/2001 |
| 6193908 | Electroluminescent phosphor powders, methods for making phosphor powders and devices incorporating same Electroluminescent 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. The method of the invention advantageously permits the econom... | 02/27/2001 |
| 6180029 | Oxygen-containing phosphor powders, methods for making phosphor powders and devices incorporating same Phosphor powders and a method for making phosphor powders. The powders are oxygen-containing, such as metal oxides, silicates, borates or titanates and have a small particle size, narrow particle size distribution and are substantially spherical. The meth... | 01/30/2001 |
| 6168729 | Fluorescent material and fluorescent display device A fluorescent material and a display device incorporating the fluorescent material are described. The fluorescent material is a mixture including a phosphor which is excitable at a voltage of 1 kV or higher for emitting light and a phosphor which is excit... | 01/02/2001 |
| 6143201 | Method of manufacturing fluorescent material In the production of a fluorescent material, firstly a particle growth retardant is mixed with a fluorescent raw material and then the mixture is baked, whereupon the baked mixture is washed and dried as an intermediate fluorescent material. Then, the par... | 11/07/2000 |
| 6099753 | Phosphor, its manufacturing method and plasma display panel An object of the present invention is to provide a phosphor capable of improving the light emitting efficiency of a plasma display panel and restraining the deterioration of luminance and a change in chromaticity with the passage of time, and also provide... | 08/08/2000 |
| 6093346 | Long afterglow silicate luminescent material and its manufacturing method The long afterglow silicate luminescent materials which main chemical composition formula is: aMO-bM'O-cSiO2 -dR:Eux Lny, wherein M represents one or more elements selected from a group consisting of Sr, Ca, Ba and Zn; M' ... | 07/25/2000 |
