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Class 252/301.4R - INORGANIC LUMINESCENT COMPOSITIONS


Subclass of Class 252 - Compositions
Definition: Compositions which are constituted entirely of inorganic
No. of patents: 752
Last issue date: 05/29/2012


1                      
NumberTitleIssue Date
8187497Phosphor, method for preparing the same, and light emitting diode using the same
Disclosed are a phosphor, method for preparing the same, and light emitting diode using the same. The method comprises the steps of preparing a precursor solution by mixing strontium nitrate (Sr(NO3)2), tetraethyl orthosilicate (TEOS), and euro...
05/29/2012
8187498Phosphor, method for manufacturing the same, and light emitting diode
A phosphor is formed with a glass coating layer on a surface of a phosphor grain to have improved moisture and/or thermal stability. A method for manufacturing the phosphor comprises preparing phosphor gains excitable by light, and forming a glass coating layer on a...
05/29/2012
8187496Method of preparing metallic oxide phosphor
A method for preparing a metal oxide phosphor contemplates preparing a solution including a metal precursor compound and an ionic material and heating the solution under pressure using microwaves. ...
05/29/2012
8173043Process for producing fluorescent substance composite glass and fluorescent substance composite glass green sheet
The present invention provides a fluorescent substance composite glass which is chemically stable, has a large size, is reduced in wall thickness, has a uniform thickness and therefore has a high energy conversion efficiency; a fluorescent substance composite glass ...
05/08/2012
8163203Yellow emitting phosphors based on Ce-doped aluminate and via solid solution for solid-state lighting applications
A Ce3+ based aluminate phosphor or Ce3+ based phosphor in a solid solution can be used for white light generation when combined with a blue or ultraviolet light emitting diode. ...
04/24/2012
8158028Luminescent material
This invention relates to luminescent materials for ultraviolet light or visible light excitation containing lead and/or copper doped chemical compounds. The luminescent material is composed of one or more than one compounds of aluminate type, silicate type, antimon...
04/17/2012
8158025Phosphor composition and display device including the same
A phosphor composition including a first phosphor represented by Formula 1: Ba1-bMg1-aAl10O17:Mna,Eub  (1). In Formula 1, a and b satisfy the relations: 0.05≦a≦0.4, and 0.006...
04/17/2012
8153025Red emitting luminescent materials
The invention relates to an improved red light emitting material of the formula M1−yA1+xSi4−xN7−x−2yOx+2y:RE whereby M is selected out of the group comprising Ba, Sr, Ca, Mg or mixtures thereof, A is sel...
04/10/2012
8147716Red phosphor and plasma display panel including same
A red phosphor includes yttrium (Y), gadolinium (Gd), an alkaline-earth metal element, and europium (Eu). A plasma display panel (PDP) includes the red phosphor. ...
04/03/2012
8142685Fluorescent material, process for producing the same, and luminescent device
A blue fluorescent material having excellent durability and a high luminance, especially one emitting a high-luminance light by the action of electron rays. The fluorescent material comprises inorganic crystals having a crystal structure which is an AlN crystalline,...
03/27/2012
8137585Phosphor composition and display device including the same
The phosphor composition including a first phosphor represented by Formula 1: Y3−x−kCekM′xAla−yM″yO(1.5a+4.5)  (1). In Formula 1, M′ includes at least one of Sc, In, ...
03/20/2012
8137588Nanoscale phosphor particles with high quantum efficiency and method for synthesizing the same
Described herein are batches of nanoscale phosphor particles having an average particle size of less than about 200 nm and an average internal quantum efficiency of at least 40%. The batches of nanoscale phosphor particles can be substantially free of impurities. Al...
03/20/2012
8137587Method of manufacturing phosphor translucent ceramics and light emitting devices
Disclosed herein is a method of increasing the luminescence efficiency of a translucent phosphor ceramic. Other embodiments are methods of manufacturing a phosphor translucent ceramic having increased luminescence. Another embodiment is a light emitting device compr...
03/20/2012
8128839High-luminosity stress-stimulated luminescent material, manufacturing method thereof, and use thereof
The present invention provide a high-luminosity stress-stimulated luminescent material which emits visible light even in daylight, a manufacturing method thereof, and a typical example of the use thereof. The stress-stimulated luminescent material of the present inv...
03/06/2012
8128840Phosphor composition for display device
A phosphor composition for a display device, including a phosphor represented by Formula 1: Y3-x-k-zCekMzM′xAla-yM″yO(1.5a+4.5)  (1). In Formula 1, M includes at l...
03/06/2012
8123981Method of fabricating translucent phosphor ceramics
One embodiment provides a method for fabricating a translucent phosphor ceramic compact comprising: heating a precursor powder to at least about 1000° C. under a reducing atmosphere to provide a pre-conditioned powder, forming an intermediate compact comprising the...
02/28/2012
8119027Green phosphor and plasma display panel
A green phosphor represented by Formula (A1-xTbx)a(B1-yMny)bCcOb+1.5(a+c), wherein A includes La, and Yb and/or Gd, B includes at least one kind selected from Mg, Zn, Sc, V, Cr, ...
02/21/2012
8114311Red phosphor and display device including the same
A red phosphor, including a first phosphor represented by Formula 1 (Y1-x1Mx1)2-y1O3:Euy1  (1). In Formula 1, M includes at least one of Gd, La, Sc, and Lu, and x1 and y1 satisfy the relati...
02/14/2012
8110124Method of preparing fluorescent body precursor
To produce fluorescent bodies providing high brightness and high energy efficiency, a method of preparing a fluorescent body precursor is provided to enable an activator having a large ionic radius to be doped arbitrarily. The problems described above are solved by ...
02/07/2012
8110123High-brightness yellow-orange yellow phosphor for warm white LED
A high-brightness yellow-orange yellow phosphor for use in warm white LED (light emitting diode), the high-brightness yellow-orange yellow phosphor comprises a substrate based on a rare-earth garnet and cerium for activating said substrate. The high-brightness yello...
02/07/2012
8105502Luminescent material
A luminescent material is provided, which includes a carbide oxynitride-based compound having a composition represented by formula 1: (M1−wRw)uAl1−xSi1+vOzNtCy â€...
01/31/2012
8088303Warm-white light-emitting diode and its phosphor powder
The present invention discloses a warm-white-light emitting diode has the substrate of indium gallium nitride (InGaN) heterojunction containing a large amount of quantum wells and having a light conversion polymer layer, characterized by that the light conversion po...
01/03/2012
8088304Luminophores made of doped garnet for pcLEDs
The invention relates to phosphors having a garnet structure of the formula I (Ya,Gdb,Luc,Sed,Sme,Tbf,Prg,Thh,Iri,Sbj,Bik)3-x
01/03/2012
8083968Solid scintillator, radiation detector, and X-ray tomographic imaging apparatus
The solid scintillator according to the present invention is expressed by the following formula (1): [Formula 1] (M1-x-yGdxCey)3J5O12  (1) (wherein M is at least one eleme...
12/27/2011
8080175Scintillator having a MgAIOhost lattice
A scintillator having a host lattice of MgAl2O4 was prepared by hot pressing under a vacuum environment a powder mixture of MgAl2O4, CeO2, and LiF. ...
12/20/2011
8075801Photoluminescent (PL) applications on moveable equipment
The present invention provides methods and systems for moveable pieces of equipment comprising a passively charged photoluminescent material to improve visibility of the equipment in low light conditions. This moveable piece of equipment may be a piece of ground sup...
12/13/2011
8075802Luminescent material
This invention relates to luminescent materials for ultraviolet light or visible light excitation containing lead and/or copper doped chemical compounds. The luminescent material is composed of one or more than one compounds of aluminate type, silicate type, antimon...
12/13/2011
8070985Method of making a lead-activated strontium hexaborate phosphor
There is provided a method of making a SrB6O10:Pb phosphor that increases the manufactured quantity of the SrB6O10:Pb phosphor by approximately seven fold when using the same size reaction vessel, decreases the lead-contai...
12/06/2011
8070983Luminescent material
This invention relates to luminescent materials for ultraviolet light or visible light excitation containing lead and/or copper doped chemical compounds. The luminescent material is composed of one or more than one compounds of aluminate type, silicate type, antimon...
12/06/2011
8070984Luminescent material
A luminescent material is disclosed. The luminescent material may include a first compound having a host lattice comprising first ions and oxygen. A first portion of the first ions may be substituted by copper ions. In one embodiment, the host lattice may include si...
12/06/2011
8066909Light emitting device
A light emitting device is disclosed. The light emitting device may include a light emitting diode (LED) for emitting light and a phosphor adjacent to the LED. The phosphor may be excitable by light emitted by the LED and may include a first compound having a host l...
11/29/2011
8057704Phosphor, method for producing same, and light-emitting device
Disclosed are violet, blue, and green phosphors having excellent durability and high luminance. Specifically disclosed is a phosphor which contains a metal element M (M is at least one element selected from among Mn, Ce, Pr, Nd, Sm, Eu, Gd, Tb, Dy, Tm and Yb) for co...
11/15/2011
8043528Luminescent material
A luminescent material is provided, which comprises a crystalline phase including Y, Si, O and N, and an activator comprising Tb and Ce. ...
10/25/2011
8038904Method and structure for non-linear optics
A compound for non-linear optics for use at 350 nm and below. The compound includes a material for non-linear optics comprising AxM(1-x)Al3B4O12. x is larger than or equal to zero and smaller than or equal to 0....
10/18/2011
8021575Metal hydroxy carbonate nanoparticle coated phosphor and method for preparing the same
Disclosed herein are a metal hydroxy carbonate nanoparticle-coated phosphor and a preparation method thereof. The phosphor coated with metal hydroxy carbonate nanoparticles exhibit improved thermal stability and an increased luminance lifespan, when applied to displ...
09/20/2011
8021576Phosphor and production method thereof, and phosphor-containing composition, light emitting device, image display and lighting system
To provide a phosphor having nearly spherical shapes, the phosphor has an elemental ratio represented by the formula below, and contains at least two kinds of Li, Na, K, Rb, Cs, P, Cl, F, Br, I, Zn, Ga, Ge, In, Sn, Ag, Au, Pb, Cd, Bi and Ti. M1
09/20/2011
8017036Single step gas phase flame synthesis method to produce sub-10 nanometer sized rare earth doped nanoparticles
Methods for forming rare earth element doped oxide, oxyhalide and oxysulfide activated nanoparticles by the following method steps: (a) providing a precursor solution of a water- or alcohol-soluble host metal salt or host metalloid...
09/13/2011
8012372Borate phosphor and white light illumination device utilizing the same
The invention provides borate phosphors composed of Ma(Mb)1-xBO3:(Mc)x, wherein Ma is Li, Na, K, Rb, Cs, or combinations thereof, Mb is Mg, Ca, Sr, Ba, Zn or combinations thereof...
09/06/2011
8012371Luminescent material
The invention relates to a luminescent material comprising a luminescent particle (20) for generating light (4), wherein the luminescent particle (20) has a structured particle surface for effectively outcoupling the light (4) generated w...
09/06/2011
8003012Method for producing a palette of colors for persistent phosphors and phosphors made by same
The current invention provides a persistent phosphor blend, along with techniques for making and using the blend. The persistent phosphor blend is made of at least one persistent phosphor combined with at least one other phosphor, where the excitation spectra of the...
08/23/2011
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