General Electric Company

Lumination LLC

Ge Lighting Solutions LLC

Current Lighting Solutions, LLC

Gelcore, LLC

Dolby Intellectual Property Licensing, LLC

Anant Achyut Setlur

Alok Mani Srivastava

Holly Ann Comanzo

James Edward Murphy

Emil Vergilov Radkov

Robert Joseph Lyons

Florencio Garcia

William Winder Beers

Prasanth Kumar Nammalwar

Ashfaqul Islam Chowdhury

Srinivas Prasad Sista

Ljudmil Slavchev Grigorov

Joseph John Shiang

Venkatesan Manivannan

Stanton Earl Weaver, Jr

Nagaveni Karkada

Sergio Paulo Martins Loureiro

Digamber Gurudas Porob

Charles Adrian Becker

Claire Susan Henderson

Thomas Frederick Soules

Dan Hancu

Mohan Manoharan

Fangming Du

Samuel Joseph Camardello

Daniel Darcy Doxsee

Shankar Madras Venugopal

Gopi Chandran

James Anthony Ruud

Venkat Subramaniam Venkataramani

Victor Petrovich Ostroverkhov

Matthew David Butts

Guanghua Wang

Julin Wan

Mark Allen Cheverton

Thomas Francis McNulty

John W Devitt

Thomas Elliot Stecher

Oltea Puica Siclovan

Darryl Stephen Williams

Satya Kishore Manepalli

Stanley John Stoklosa

Chen-Lun Hsing Chen

Luke Nathaniel Brewer

Mukunda Srinivas Adyam

Ilona Elisabeth Hausmann

Anirudha Rajendra Deshpande

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Marisa L Goodin, Legal Representative

Ramachandran Gopi Chandran

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Glen Harold Kirby

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Hendrik Pieter Jacobus De Bock

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James Anthony Brewer

Daniel Gene Dunn

Laszlo Balazs

Stanton Earl Weaver

Reza Sarrafi-Nour

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Haochuan Jiang

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Xiao-Dong Sun

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Juan Borja

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Ravikumar Hanumantha

Cherian Jacob

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Stanton Weaver

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Ramesh Rao Sathyanarayan

William Jordan Heward

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Prasanth Kumar

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Linda Briel

Vankatesan Manivannan

Taryn Elizabeth Hewitt

Kevin Alan David

Pransanth Kumar Nammalwar

Robert John Cleaver

Josesph Shiang

Shyamala Halady Subraya Bhat

Charles A Becker

Coated components and their methods of formation are provided. The coated component includes: a ceramic matrix composite substrate comprising silicon carbide and having a surface; a bond coat on the surface of the substrate; and an environmental barrier coating on the bond coat. The bond coat includes a plurality of discrete particles dispersed within a matrix phase that includes mullite. The plurality of discrete particles includes an oxygen getter and a transition metal oxide.

Bond coat including metal oxides and oxygen getters

Environmental barrier coatings including a bondcoat layer including silicon and a rare earth silicate-based hermetic layer and rare earth silicate-based non-hermetic layer are provided. The rare earth silicate-based hermetic layer is deposited on the bondcoat via a thermal spray process and has an elastic modulus ranging from 100 GPa to 180 GPa. The at least one rare earth silicate-based non-hermetic layer is deposited on the rare earth silicate-based hermetic layer and has an elastic modulus ranging from 50 GPa to 100 GPa. Coated gas turbine engine components and methods for coating gas turbine engine components are also provided.

Environmental barrier coatings

A method for modifying a composite component may include positioning a barrier segment between an infiltrated segment of the composite component and a green segment to form an assembly; and initiating an infiltration process. The barrier segment may have a barrier segment permeability that is lower than a permeability of the infiltrated segment, a permeability of the green segment, or both. A composite component may include an infiltrated segment infiltrated with a molten material during a prior infiltration process; a green segment that is uninfiltrated; and a barrier segment having a microstructure different from the infiltrated segment, the green segment, or both. The microstructure of the barrier segment may be configured to slow a flow of material between the infiltrated segment and the green segment during a subsequent infiltration process.

Composite components and methods for preventing flow from infiltrated component during re-infiltration

Green-emitting phosphors are useful in devices including an LED light source radiationally coupled and/or optically coupled to the phosphors, which are selected from

Green-emitting phosphors and devices thereof

A phosphor composition includes an activated uranium-based phosphor having formula I or II. The phosphor is doped with Eu[BaSrCa][Mg,Zn](UO)([P,V]O)  (I)[BaSrCa](UO)[P,V]O  (II)

Uranium-based phosphors and compositions for displays and lighting applications

An aerospace vehicle including: a body, wherein the body is configured to generate heat during operation; a coating disposed over at least a portion of the body, the coating being configured to shift a frequency of at least one wavelength of the heat generated by the body from a first frequency to a second frequency having higher transmissivity relative to a neighboring medium surrounding the body as compared to the first frequency.

Aerospace vehicles with coatings for heat radiation and associated methods

A lighting apparatus includes a semiconductor light source in direct contact with a polymer composite comprising a color stable Mndoped phosphor, wherein the lighting apparatus has a color shift of ≤1.5 MacAdam ellipses after operating for at least 2,000 hour at a LED current density greater than 2 A/cm, a LED wall-plug efficiency greater than 40%, and a board temperature greater than 25° C.

Color stable red-emitting phosphors

A lighting apparatus includes a semiconductor light source in direct contact with a polymer composite comprising a color stable Mndoped phosphor, wherein the lighting apparatus has a color shift of &#x2264;1.5 MacAdam ellipses after operating for at least 2,000 hour at a LED current density greater than 2 A/cm, a LED wall-plug efficiency greater than 40%, and a board temperature greater than 25&#xb0; C.

A device including an LED light source optically coupled to a phosphor selected from [Y,Gd,Tb,La,Sm,Pr,Lu][Al,Ga]O:Ce(wherein 0&#x3c;a&#x3c;0.5), beta-SiAlON:Eu, [Sr,Ca,Ba][Al,Ga,In]S:Eu, alpha-SiAlON doped with Euand/or Ce, CaCeEuAl[Mg,Zn]SiN, (where 0&#x3c;h&#x3c;0.2, 0&#x3c;r&#x3c;0.2), Sr(LiAlN):Eu, [Ca,Sr]S:Euor Ce, [Ba,Sr,Ca]SiN:Eu(wherein 2b+4g=3m), quantum dot materials, and combinations thereof; and a green-emitting U-doped phosphor having a composition selected from the group consisting of U-doped phosphate-vanadate phosphors, U-doped halide phosphors, U-doped oxyhalide phosphors, U-doped silicate-germanate phosphors, U-doped alkali earth oxide phosphors, and combinations thereof, is presented.

Synthesizing a color stable Mndoped phosphor by contacting a gaseous fluorine-containing oxidizing agent with a precursor of: ABCDX:Mn; ABCDXY:Mn; AGMnMgLiFO; or AZF:Mn. Where A is Li, Na, K, Rb, Cs, or a combination; B is Be, Mg, Ca, Sr, Ba, or a combination; C is Sc, Y, B, Al, Ga, In, Tl, or a combination; D is Ti, Zr, Hf, Rf, Si, Ge, Sn, Pb, or a combination; X is F or a combination of F and one of Br, Cl, and I; Y is O, or a combination of O and one of S and Se; Ais Na or K, or a combination; G is Al, B, Sc, Fe, Cr, Ti, In, or a combination; Z is La, Ce, Pr, Nd, Pm, Sm, Eu, Gd, Tb, Dy, Ho, Er, Tm, Yb, Lu, Sc, Y, In, or a combination.

Process for improved halide materials

Processes for producing stable Mndoped phosphors include dispersing a compound of formula I in a solution comprising a compound of formula II to form a dispersion; applying pressure to the dispersion at a temperature less than 200&#xb0; C. to form a phosphor product; and contacting the phosphor product with a fluorine-containing oxidizing agent in gaseous form at an elevated temperature;

Processes for preparing stable red-emitting phosphors

A device including an LED light source optically coupled to a green-emitting U-doped phosphor having a composition selected from the group consisting of U-doped phosphate-vanadate phosphors, U-doped halide phosphors, U-doped oxyhalide phosphors, U-doped silicate-germanate phosphors, U-doped alkali earth oxide phosphors, and combinations thereof, is presented. The U-doped phosphate-vanadate phosphors are selected from the group consisting of compositions of formulas (A1)-(A12). The U-doped halide phosphors are selected from the group consisting of compositions for formulas (B1)-(B3). The U-doped oxyhalide phosphors are selected from the group consisting of compositions of formulas (C1)-(C5). The U-doped silicate-germanate phosphors are selected from the group consisting of compositions of formulas (D1)-(D11). The U-doped alkali earth oxide phosphors are selected from the group consisting of formulas (E1)-(E11).

A lighting apparatus is presented. The lighting apparatus includes a semiconductor light source, a color stable Mndoped phosphor and a quantum dot material, each of the color stable Mndoped phosphor and the quantum dot material being radiationally coupled to the semiconductor light source. A percentage intensity loss of the color stable Mndoped phosphor after exposure to a light flux of at least 20 w/cmat a temperature of at least 50 degrees Celsius for at least 21 hours is &#x2264;4%. A backlight device including the lighting apparatus is also presented.

Lighting apparatus including color stable red emitting phosphors and quantum dots

A process for treating a luminescent halogen-containing material includes contacting the luminescent halogen-containing material with an atmosphere comprising a halogen-containing oxidizing agent for a period of at least about two hours. The luminescent halogen-containing material has a composition other than

A phosphor composition is derived from combining KSiF:Mnin solid form with a saturated solution of a manganese-free complex fluoride including a composition of formula I: A[MF], where A is selected from Na, K, Rb, and combinations thereof and M is selected from Al, Ga, In, Sc, Y, Gd, and combinations thereof. The composition of formula I: A[MF] has a water solubility lower than a water solubility of KSiF. A lighting apparatus including the phosphor composition is also provided.

Moisture-resistant phosphor compositions and associate methods

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Anant Achyut Setlur