Class 252/301.6S - Sulfur containing

Subclass of Class 252 - Compositions
No. of patents: 206
Last issue date: 10/11/2011

Number	Title	Issue Date
8034259	Inorganic particle conjugates The ionic conjugates include an inorganic particle electrostatically associated with a macromolecule which can interact specifically with predetermined chemical species or biological targets. ...	10/11/2011
7976726	Prevention of quantum dot quenching on metal surfaces A formulation comprises quantum dots and a quenching-preventive agent in a carrier material. The quenching-preventive agent is a metal chelating agents, a corrosion inhibitor, or a combination thereof. The formulation can be applied to a metal substrate, without exp...	07/12/2011
7919012	Monodisperse core/shell and other complex structured nanocrystals and methods of preparing the same The present invention provides new compositions containing nearly monodisperse colloidal core/shell semiconductor nanocrystals with high photoluminescence quantum yields (PL QY), as well as other complex structured semiconductor nanocrystals. This invention also pro...	04/05/2011
7833437	Moisture-resistant electroluminescent phosphor with high initial brightness and method of making The present invention is an electroluminescent phosphor wherein each individual phosphor particle is encapsulated in an inorganic coating applied by an atomic layer deposition (ALD) coating method. In a preferred embodiment, the coating is aluminum oxyhydroxide. The...	11/16/2010
7695642	Preparation of stable, bright luminescent nanoparticles having compositionally engineered properties A method is provided for preparing luminescent semiconductor nanoparticles composed of a first component X, a second component A, and a third component B, wherein X, A, and B are different, by combining B with X and A in an amount such that the molar ratio B:(A+B) i...	04/13/2010
7470379	Inorganic particle conjugates The ionic conjugates include an inorganic particle electrostatically associated with a macromolecule which can interact specifically with predetermined chemical species or biological targets. ...	12/30/2008
7462300	Doped-type metal sulfide phosphor nanoparticle, dispersion thereof, and method for producing the same A doped-type metal sulfide phosphor nanoparticle, whose surface is modified with a surface modifier, the surface modifier being a compound of formula [I]: HS-L-W Formula [I] wherein L is a divalent linking group; and W is COOM or NH2	12/09/2008
7326366	Method of producing inorganic semiconductor-or phosphor-primary particle and inorganic semiconductor-or phosphor-primary particle A method of producing inorganic semiconductor- and phosphor-primary particles, which each comprises forming the particles by reacting at least one kind of precursor solution of the inorganic primary particle in a solvent, of which major component is water of a react...	02/05/2008
7297295	Highly bright mechanoluminescence material and process for producing the same A novel highly bright mechanoluminescence material free from decay of luminescence brightness even if repeated stress is applied, comprising a composite semiconductor crystal of the general formula xM1A1.(1-x)M2A2 (wherein...	11/20/2007
7291291	Electroluminescent phosphor powder with D50 value of less than 12 μm and method of making There is presented an electroluminescent phosphor powder of copper-activated zinc sulfide particles that has a size distribution with a D50 value of less than 12 μm, and more preferably less than 10 μm. The powder is preferably made by a method that includes the s...	11/06/2007
7288216	Method of making electroluminescent phosphors with small particle sizes and powder with D50 value of no more than 10 micrometers An electroluminescent phosphor powder includes copper-activated zinc sulfide particles that have a size distribution with a D50 value of no more than 10 μm, where no more than 25% of the particles have a size greater than about 15 μm and/or a 24-hr brightness of a...	10/30/2007
7264751	Yellow ZnS-based phosphor, process of preparing the same and display device using the phosphor A yellow ZnS-based phosphor having improved color coordinates and luminance for use in intermediate- and low-voltage display devices using improved activators and coactivators has color coordinates (x, y) shifting to a yellow emission as the amount of an activator i...	09/04/2007
7261838	Electroluminescent phosphor The electroluminescent phosphor of this invention is comprised of zinc sulfide activated with copper and iodine and may produce an emission with an x color coordinate from 0.145 to 0.155 and a y color coordinate from 0.085 to 0.095. The phosphor preferably contains ...	08/28/2007
7252790	Zinc sulfide electroluminophores and method for production thereof Zinc sulfide electroluminophores are prepared from solutions of zinc salts with hydrogen sulfide. The zinc sulfide compounds are mixed with activator and coactivator compounds to produce luminophores, and the mixtures are fired in the presence of fixing agents. Thes...	08/07/2007
7235190	Nanocluster-based white-light-emitting material employing surface tuning A method for making a nanocrystal-based material capable of emitting light over a sufficiently broad spectral range to appear white. Surface-modifying ligands are used to shift and broaden the emission of semiconductor nanocrystals to produce nanoparticle-based mate...	06/26/2007
7135130	Electroluminescent phosphor and its production method The invention provides electroluminescent phosphor having superior luminance and a long life. The host material is ZnS.aAO, of which “A” is at least one element selected from among magnesium (Mg), calcium (Ca), strontium (Sr), and barium (Ba). “a” ranges fro...	11/14/2006
7067072	Nanophase luminescence particulate material The present invention relates in general to nanoparticles exhibiting luminescence such as photostimulated luminescence or photoluminescence and optical switching processes based upon such properties, in more particular, the use of such photostimulated luminescence e...	06/27/2006
7067071	Zinc sulfide electroluminophores and method for production thereof Zinc sulfide electroluminophores are prepared from solutions of zinc salts with hydrogen sulfide. The zinc sulfide compounds are mixed with activator and coactivator compounds to produce luminophores, and the mixtures are fired in the presence of fixing agents. Thes...	06/27/2006
7067073	Yellow ZnS-based phosphor, process of preparing the same and display device using the phosphor A yellow ZnS-based phosphor which has improved color coordinates and luminance for use in intermediate- and low-voltage display devices using improved activators and coactivators is a (ZnS: Mn, Cu) phosphor which has color coordinates (x, y) shifting to a yellow emi...	06/27/2006
7014793	Method of making electroluminescent phosphor using sonochemistry A method of making zinc sulfide based electroluminescent phosphors is described wherein a first-fired zinc sulfide material having a hexagonal β-ZnS crystal structure is at least partially converted to a distorted hexagonal β-ZnS crystal structure by ultrasonic ir...	03/21/2006
7008559	Manganese doped upconversion luminescence nanoparticles The present relates in general to upconversion luminescence (“UCL”) materials and methods of making and using same and more particularly, but not meant to be limiting, to Mn2+ doped semiconductor nanoparticles for use as UCL materials. The present inv...	03/07/2006
7005086	Fluorescent substance, light-emitting diode and method for producing fluorescent substance A fluorescent substance is obtained by weighing and mixing CaS, Ga2S3, EuS and Ce2S3 in a mole ratio of (1-x):a:x:y (wherein 0.001≦x≦0.2, 0.0001≦y≦0.02 and 0.5≦a≦5) and by sintering the mixture. A light-emittin...	02/28/2006
6921496	Inorganic particle conjugates The ionic conjugates include an inorganic particle electrostatically associated with a macromolecule which can interact specifically with predetermined chemical species or biological targets. ...	07/26/2005
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 colloidal nanocrystals, as well as methods to control the photoluminescent p...	03/22/2005
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 a co-activator, the amount ratio of the activator to the host materia...	12/21/2004
6787064	Preparation of ZNS particles doped with copper An improved method for the preparation of a dispersion of ZnS particles doped with copper is disclosed. The method comprises the step of performing a precipitation by mixing together a zinc salt, a sulfide, and a citrate or EDTA complex of copper ions, dissolved in ...	09/07/2004
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 to 0.41 and a y color coordinate of 0.25 to 0.42. The phosphor is compr...	08/03/2004
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
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 such particles is easily obtainable, a luminescent material ...	02/24/2004
6682664	High brightness orange-yellow-emitting electroluminescent phosphor and method of making An orange-yellow-emitting zinc sulfide-based electroluminescent phosphor is described wherein the phosphor has a brightness of greater than 10 foot-Lamberts. More particularly, the phosphor has a brightness of at least about 13 foot-Lamberts and an x colo...	01/27/2004
6683405	Fluorescent CWX lamp with reduced mercury An electric lamp has an envelope with an inner surface and two electrodes located at each end of the envelope. The electrodes transfer electric power to generate ultraviolet radiation in the envelope which is filled with mercury and a charge sustaining ga...	01/27/2004
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
6660185	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...	12/09/2003
6645398	Sulfur-containing phosphor powders, methods for making phosphor powders and devices incorporating same Sulfur-containing phosphor powders, methods for making phosphor powders and devices incorporating same. The powders have a small particle size, narrow particle size distribution and are substantially spherical. The method of the invention permits the cont...	11/11/2003
6641756	Method for preparing zinc sulfide based phosphor having effective emission at low voltages A method for preparing a zinc sulfide phosphor having effective emission at low voltages. In the method for synthesizing a green-light emitting zinc sulfide based phosphor, ZnS:Cu, Al, which is applicable to a device operated with a low voltage, novel raw...	11/04/2003
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
6617782	Thioaluminate phosphor material with a gadolinium co-activator A thin film phosphor for an electroluminescent device, in which the phosphor is selected from the group consisting of thioaluminates, thiogallates and thioindates having at least one cation selected from elements of Groups IIA and IIB of the Periodic Tabl...	09/09/2003
6610217	ZnS:Ag,A1 phosphor and method of making same A ZnS:Ag,Al phosphor and method of making are described wherein the ZnS:Ag,Al phosphor exhibits a substantially polyhedral morphology and low particle agglomeration. The method of making includes the use of a mixed sodium chloride and alkaline-earth metal...	08/26/2003
6576155	Fluorescent ink compositions comprising functionalized fluorescent nanocrystals A fluorescent ink composition comprising functionalized fluorescent nanocrystals, an aqueous-based ink carrier comprising water or a water-based solution, and a binder. Also provided are methods of providing an image or a security mark on a substrate for ...	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

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Class 252/301.6S - Sulfur containing