| Patent Number |
Title Of Patent |
Date Issued |
| H2131 |
Method for preparing efficient low voltage multilayer phosphor films |
November 1, 2005 |
| The present invention relates to a method of preparing a multilayer phosphor (film) product on a substrate. The method comprises 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 |
| 7368179 |
Methods and devices using high efficiency alkaline earth metal thiogallate-based phosphors |
May 6, 2008 |
| The present invention provides a light emitting device comprising: a light output; a light source that produces light having a wavelengths of 530 nm or less; and a wavelength transformer located between the light source and the light output, where the wavelength transformer comprises |
| 7276183 |
Metal silicate-silica-based polymorphous phosphors and lighting devices |
October 2, 2007 |
| Provided, among other things, is a phosphor according to the formula: [(BvSiO.sub.3).sub.x(Mv.sub.2SiO.sub.3).sub.y(Tv.sub.2(SiO.sub.3).sub.3).- sub.z].sub.m.cndot.(SiO.sub.2).sub.n: R.epsilon., X (I) wherein x, y and z are any value such that x+y+z=1; Bv is one or more divalent alkaline |
| 7125501 |
High efficiency alkaline earth metal thiogallate-based phosphors |
October 24, 2006 |
| Provided, among other things, is a strontium calcium thiogallate phosphor doped with divalent europium, and having the following formula: Sr.sub.1-xCa.sub.xGa.sub.2S.sub.4:yEu.sup.2+.zGa.sub.2S.sub.3, where x is 0.0001 to 1, y is a value defining sufficient Eu.sup.2+ to provide lumin |
| 7018565 |
Efficient, size-selected green-emitting phosphors |
March 28, 2006 |
| Provided among other things is a method of forming a phosphor of the formula SrGa.sub.2S.sub.4:Eu:xGa.sub.2S.sub.3 (I) wherein x is 0.0001 to 0.2, wherein a minor part of the europium component may be substituted with praseodymium in an efficiency enhancing amount, and wherein the m |
| 7008547 |
Solid phase sensors |
March 7, 2006 |
| Provided is a solid phase array of electrical sensors, each comprising a channel and electrical leads for attaching to a voltage, current or resistivity meter for measuring the voltage, current or resistivity through the pore, wherein the channels are formed of a single substrate. |
| 6890593 |
Method of coating micrometer sized inorganic particles |
May 10, 2005 |
| A method for coating moisture sensitive inorganic particles, such as phosphors, comprising mixing the inorganic particles having a particle size of about 1 to 100 micrometers with nanometer-sized coating particles, and firing the mixture to soften or melt the nanometer-sized particles |
| 6811813 |
Method of coating micrometer sized inorganic particles |
November 2, 2004 |
| A method for coating moisture sensitive inorganic particles, such as phosphors, comprising mixing the inorganic particles which have a particle size of about 1 to 100 micrometers with nanometer sized coating particles, as of silica, and firing to soften or melt the nanometer sized partic |
| 6783700 |
Red photoluminescent phosphors |
August 31, 2004 |
| A red-emitting strontium-calcium sulfide phosphor doped with europium and a halide. These phosphors are made by combining their insoluble sulfates, adding europium as an activator, firing in hydrogen sulfide to form the corresponding sulfides, adding a halide co-activator and firing in |
| 6576156 |
Phosphors with nanoscale grain sizes and methods for preparing the same |
June 10, 2003 |
| 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. |
| 6402985 |
Method for preparing efficient low voltage phosphors and products produced thereby |
June 11, 2002 |
| 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-gel condensation reaction. The |
