General Electric Company

Current Lighting Solutions, LLC

Lawrence Livermore National Security, LLC

Ge Lighting Solutions LLC

Other

Lumination LLC

Gelcore, LLC

Savant Technologies LLC

William Winder Beers

Alok Mani Srivastava

Holly Ann Comanzo

William Erwin Cohen

Fangming Du

Anant Achyut Setlur

James Edward Murphy

Gary Robert Allen

Thomas Frederick Soules

Anil Raj Duggal

Jon Bennett Jansma

Samuel Joseph Camardello

Gopi Chandran Ramachandran

Venkatesan Manivannan

Clark David Nelson

Robert Joseph Lyons

Laszlo Balazs

Prasanth Kumar Nammalwar

Florencio Garcia

Digamber Gurudas Porob

Nagaveni Karkada

Douglas Allen Doughty

Shankar Madras Venugopal

Claire Susan Henderson

Mukunda Srinivas Adyam

Lionel M Levinson

Stephen Anthony Payne

Bruce Richard Roberts

Ashfaqul Islam Chowdhury

Nerine Jane Cherepy

Thomas G Parham

Istvan Peter Bakk

Srinivas Prasad Sista

Kevin James Vick

Zachary M Seeley

Vikas Midha

Stanley John Stoklosa

Sam Joseph Camardello

Katalin Toth

Ross Allen Osborne

Matthew Pierce

Evan Karrs

John Matthew Root

Olivia Rae Vick

John M Davenport

Dengke Cai

Charles D Greskovich

Steven Jude Duclos

Thomas Clynne

Timothy John Sommerer

Emil Vergilov Radkov

Edward E Hammer

Sergio Paulo Martins Loureiro

Thomas Alexander Knapp

Mark E Duffy

Thomas Francis McNulty

Jianmin He

Mark Edward Kaminski

Joshua Ian Rintamaki

Thomas J Boyle

Laurence Bigio

Daniel Darcy Doxsee

Ljudmil Slavchev Grigorov

Sergio Martins Loureiro

Gregory Quentin Brown

László Balázs

István Károly Deme

Madras Venugopal Shankar

Suchismita Sanyal

Swarnagowri Addepalli

Andrew Scott Albrecht

Emoke Abasari

Michael Greci

Karl Kristian Udris

Jenna Marie Novak

Cynthia Susan Link

Olivia Rae Boyle

Alok Mani Strivastava

The present disclosure relates to a lighting component which may comprise a light emitting diode (LED) or laser diode (LD) for generating at least one of blue light or ultraviolet light. A fluoride phosphor matrix may be included, which may be consolidated into a phosphor ceramic structure including at least one of a transparent fluoride ceramic structure or a translucent fluoride ceramic structure, and positioned adjacent to the LED or LD. The phosphor ceramic structure generates at least one of red or orange light when irradiated by the light emitted from the LED or LD. The phosphor ceramic structure exhibits reduced thermal quenching relative to a fluoride particulate structure irradiated by the LED or LD.

Systems and methods for fluoride ceramic phosphors for LED lighting

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 potassium hexafluoromanganate (K2MnF6) composition includes no more than six parts per million of each of one or more Group 13 elements, no more than 520 parts per million of one or more alkaline earth metals, no more than fourteen parts per million of one or more transition metals, and/or no more than forty parts per million of calcium. A method for providing this composition, as well as lighting apparatuses, backlight units, and electronic devices including phosphors formed from the composition also are provided.

Purified potassium hexafluoromanganate and methods for purifying potassium hexafluoromanganate

A lighting device is presented. The lighting device includes an LED light source; and a red/far-red emitting phosphor radiationally coupled to the LED light source, wherein the red/far-red emitting phosphor comprises a host material activated with an activator ion, and wherein the activator ion comprises at least one of Smand Mn. Numerous other aspects are provided.

Horticulture lighting device

A coated phosphors that include a shell comprising a first Mndoped phosphor of formula IA[MF]:Mn&#x2003;&#x2003;Idirectly disposed on a core comprising a second phosphor. The second phosphor is a material other than a compound of formula I or formula IIA[MF]&#x2003;&#x2003;IIwherein

Core-shell materials with 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 method includes obtaining a potassium hexafluorosilicate (PFS)-based powder, obtaining a fluidization material, and mixing the PFS-based powder with the fluidization material to form a PFS-based mixture. The PFS-based mixture is configured to be mixed with a resinous material to form a flowing phosphor blend configured to be placed onto a light source to form a phosphor on the light source.

Phosphor materials including fluidization materials for light sources

A method includes mixing a first fluoride phosphor powder that is doped with tetravalent manganese with a treatment solution for a designated period of time, stopping the mixing to allow the fluoride phosphor powder to settle, removing at least some liquid that has separated from the first fluoride phosphor powder, repeating (a) the mixing, (b) the stopping of the mixing, and (c) removing at least some of the liquid during one or more additional cycles, and obtaining a second fluoride phosphor powder following the repeating of the mixing, the stopping of the mixing, and the removing of at least some of the liquid. The second fluoride phosphor powder includes a reduced amount of the manganese relative to the first fluoride phosphor powder.

Phosphor materials for light sources and method for manufacturing the same

A method includes obtaining particles of a phosphor precursor of formula A[MF]:Mn, reducing sizes of the particles of the phosphor precursor by wet milling the particles and annealing the particles that are wet milled by contacting the particles with a fluorine-containing oxidizing agent. Additionally, a manganese doped complex fluoride phosphor prepared by this method is provided. A lighting apparatus and backlight device that include manganese-doped phosphor prepared by this method also are provided.

Red-emitting phosphors and associated devices

In an embodiment, the disclosure provides a light source comprising at least one solid state light emitter. The light source, in operation, emits substantially white light having a Lighting Preference Index (LPI) of at least about 105, and this emission from the light source comprises a UV-violet flux of at least about 1%. Use of the lamps, light sources, and methods of the present disclosure may afford the ability to display linens and clothing under energy-efficient LED-based illumination, and may impart an effect to (especially white) clothing, that makes them look cleaner than under illumination by prior art LED lamps.

Lamps for enhanced optical brightening and color preference

Light sources that emit light having enhanced color spectrum characteristics are described. A color metric called the Lighting Preference Index (LPI) is disclosed that enables quantitative optimization of color preference by tailoring the spectral power distribution of the light source. In an embodiment, a lamp includes at least one blue light source having peak wavelength in the range of about 400 nanometer (nm) to about 460 nm, at least one green or yellow-green light source having peak wavelength in the range of about 500 nm to about 580 nm, and at least one red light source having peak wavelength in the range of about 600 nm to about 680 nm, wherein the lamp has an LPI of at least 120.

Enhanced color-preference light sources

A process for preparing a Mndoped phosphor of formula IA[MF|:Mn&#x2003;&#x2003;I

Methods for fabricating coated semiconductor elements are presented. The methods include the steps of combining a phosphor of formula I and a polymer binder to form a composite material, providing a semiconductor wafer including InGaAlN, wherein 0&#x2264;i; 0&#x2264;j; 0&#x2264;k, and a sum of i, j and k is equal to 1, coating the composite material on a surface of the semiconductor wafer to form a coated semiconductor wafer, and dicing the coated semiconductor wafer using a cutting fluid apparatus to form one or more coated semiconductor elements. A cutting fluid of the cutting fluid apparatus includes a C-Calcohol, a C-Cketone, a C-Cacetate compound, acetic acid, oleic acid, carboxylic acid, a source of A, silicic acid, or a combination thereof.

Methods for fabricating devices containing red line emitting phosphors

A lighting apparatus that includes a light source and a phosphor composition radiationally coupled to the light source is presented. The phosphor composition includes a first phosphor that includes a phase of general formula (I):LZO(BrX):Euwherein 0&#x2266;n&#x2266;1; L is Zn, Mg, Ca, Sr, Ba, or combinations thereof; Z is Si, Ge, or a combination thereof; and X is F, Cl, I, or combinations thereof.

Phosphor compositions and lighting apparatus thereof

Growing community of inventors

Chesterland, OH, United States of America

William Winder Beers