公开(公告)号：CA2905489A1

公开(公告)日：2014-09-25

申请号：CA2905489

申请日：2014-03-14

Applicant: GEN ELECTRIC

Inventor： MURPHY JAMES EDWARD ,  NAMMALWAR PRASANTH KUMAR ,  KARKADA NAGAVENI ,  LYONS ROBERT JOSEPH ,  CHOWDHURY ASHFAQUL ISLAM ,  SETLUR ANANT ACHYUT ,  GARCIA FLORENCIO ,  BEERS WILLIAM WINDER ,  DU FANGMING

IPC: C09K11/61

Abstract: A process for synthesizing a color stable Mn4+ doped phosphor includes contacting a precursor of formula I, in gaseous form at an elevated temperature with a fluorine-containing oxidizing agent to form the color stable Mn4+ doped phosphor Ax [MFy]:Mn4+ (I), wherein A is Li, Na, K, Rb, Cs, NR4 or a combination thereof; M is Si, Ge, Sn, Ti, Zr, Al, Ga, In, Sc, Hf, Y, La, Nb, Ta, Bi, Gd, or a combination thereof; R is H, lower alkyl, or a combination thereof; x is the absolute value of the charge of the [MFy] ion; and y is 5, 6 or 7.

公开(公告)号：MX385159B

公开(公告)日：2025-03-14

申请号：MX2016016390

申请日：2016-12-09

Applicant: GEN ELECTRIC

Inventor： CHOWDHURY ASHFAQUL ISLAM ,  GARCIA FLORENCIO ,  MURPHY JAMES EDWARD ,  SETLUR ANANT ACHYUT ,  SISTA SRINIVAS PRASAD

IPC: C09K11/61 ,  H10H20/851

Abstract: Un proceso para sintetizar un fósforo activado por Mn4+ el proceso comprende poner en contacto un precursor de fórmula I, Ax(M1-z, Mnz)Fy I a una temperatura elevada con un agente oxidante que contiene flúor en forma gaseosa para formar el fósforo activado por Mn4+; en donde A es Li, Na, K, Rb, Cs, o una combinación de los mismos; M es Si, Ge, Sn, Ti, Zr, Al, Ga, In, Sc, Hf, Y, La, Nb, Ta, Bi, Gd o una combinación de los mismos; x es el valor absoluto de la carga del ion [MFy]; y es 5, 6 o 7; y 0.03=z?0.10.

公开(公告)号：MX381627B

公开(公告)日：2025-03-12

申请号：MX2016016392

申请日：2016-12-09

Applicant: GEN ELECTRIC

Inventor： GARCIA FLORENCIO ,  MURPHY JAMES EDWARD ,  SETLUR ANANT ACHYUT ,  SISTA SRINIVAS PRASAD

IPC: C09K11/61

Abstract: Un procedimiento para sintetizar un fósforo dopado con manganeso (Mn4+) que incluye moler partículas de un precursor de fósforo de la fórmula I, y poner en contacto las partículas molidas con un agente oxidante que contiene flúor a una temperatura elevada Ax[MFy]:Mn4+ .....(I) en donde A es Li, Na, K, Rb, Cs, o una combinación de los mismos; M es Si, Ge, Sn, Ti, Zr, Al, Ga, In, Sc, Hf, Y, La, Nb, Ta, Bi, Gd, o una combinación de los mismos; x es el valor absoluto de la carga del ion de [MFy]; y es 5, 6 o 7.

公开(公告)号：CA2951381C

公开(公告)日：2023-03-28

申请号：CA2951381

申请日：2015-06-09

Applicant: GEN ELECTRIC

Inventor： SETLUR ANANT ACHYUT ,  WEAVER STANTON EARL ,  GORCZYCA THOMAS BERT ,  CHOWDHURY ASHFAQUL ISLAM ,  MURPHY JAMES EDWARD ,  GARCIA FLORENCIO

IPC: H01L33/50 ,  C09K11/02 ,  C09K11/61

Abstract: A process for fabricating a LED lighting apparatus includes disposing a composite coating on a surafce of a LED chip, The composite coating comprises a first composite layer having a manganese doped phosphor of formula I and a first binder and a second composite layer comprising a second phosphor composition and a second binder. The first binder, the second binder or both include a poIy(meth)acrylate. Ax [MFy]:Mn4+.......... (I), wherein A is Li, Na. K, Rb, Cs, or a combination thereof; M is Si, Ge, Sn, Ti, Zr, AL Ga, In, Sc, Hf, Y, La, Nb, Ta, Bi, Gd, or a combination thereof; x is the absolute value of the charge of the [MFy] ion; y is 5, 6 or 7.

公开(公告)号：CA3032757C

公开(公告)日：2021-06-08

申请号：CA3032757

申请日：2017-09-15

Applicant: GEN ELECTRIC

Inventor： POROB DIGAMBER GURUDAS ,  MURPHY JAMES EDWARD ,  GARCIA FLORENCIO ,  BREWSTER MEGAN MARIE

IPC: C09K11/61 ,  C09K11/02 ,  H01L33/50

Abstract: A lighting apparatus includes an LED light source radiationally coupled to a composite material including a phosphor of formula (I) and a thermally conductive material dispersed in at least a portion of a binder material. The thermally conductive material includes a material selected from the group consisting of indium oxide, tin oxide, indium tin oxide, calcium oxide, barium oxide, strontium oxide, aluminum hydroxide, magnesium hydroxide, calcium hydroxide, barium hydroxide, strontium hydroxide, zinc hydroxide, aluminum phosphate, magnesium phosphate, calcium phosphate, barium phosphate, strontium phosphate, diamond, graphene, polyethylene nanofibers, carbon nanotubes, silver metal nanoparticles, copper metal nanoparticles, gold metal nanoparticles, aluminum metal nanoparticles, boron nitride, silicon nitride, an alkali metal halide, calcium fluoride, magnesium fluoride, a compound of formula (II), and combinations thereof.

公开(公告)号：MY174459A

公开(公告)日：2020-04-20

申请号：MYPI2016701852

申请日：2014-12-16

Applicant: GEN ELECTRIC

Inventor： SETLUR ANANT ACHYUT ,  LYONS ROBERT JOSEPH ,  NAMMALWAR PRASANTH KUMAR ,  HANUMANTHA RAVIKUMAR ,  MURPHY JAMES EDWARD ,  GARCIA FLORENCIO

Abstract: A phosphor composition is derived from combining K2SiF6:Mn4+ in solid form with a saturated solution of a manganese-free complex fluoride including a composition of formula I:A3[MF6] , 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:A3[MF6] has a water solubility lower than a water solubility of K2SiF6. A lighting apparatus (10) including the phosphor composition is also provided.

公开(公告)号：MY172053A

公开(公告)日：2019-11-13

申请号：MYPI2015002135

申请日：2014-03-14

Applicant: GEN ELECTRIC

Inventor： MURPHY JAMES EDWARD ,  NAMMALWAR PRASANTH KUMAR ,  KARKADA NAGAVENI ,  LYONS ROBERT JOSEPH ,  CHOWDHURY ASHFAQUL ISLAM ,  SETLUR ANANT ACHYUT ,  GARCIA FLORENCIO ,  BEERS WILLIAM WINDER ,  DU FANGMING

Abstract: A process for synthesizing a color stable Mn4+ doped phosphor includes contacting a precursor of formula I, in gaseous form at an elevated temperature with a fluorine-containing oxidizing agent to form the color stable Mn4+ doped phosphor Ax[MFy):Mn4+ I wherein A is Li, Na, K, Rb, Cs, or a combination thereof; M is Si, Ge, Sn, Ti, Zr, Al, Ga, In, Sc, Hf, Y, La, Nb, Ta, Bi, Gd, or a combination thereof; X is the absolute value of the charge of the [MFy] ion; and y is 5, 6 or 7.

公开(公告)号：MX2016008668A

公开(公告)日：2016-09-26

申请号：MX2016008668

申请日：2014-12-16

Applicant: GEN ELECTRIC

Inventor： LYONS ROBERT JOSEPH ,  MURPHY JAMES EDWARD ,  SETLUR ANANT ACHYUT ,  NAMMALWAR PRASANTH KUMAR ,  GARCIA FLORENCIO ,  RAVIKUMAR HANUMANTHA

IPC: C09K11/61 ,  C09K11/02

Abstract: Una composición de fósforo se deriva de combinar K2SiF6:Mn4+ en forma sólida con una solución saturada de un fluoruro complejo libre de manganeso que incluye una composición de la fórmula (I):A3[MF6], en donde A se selecciona de Na, K, Rb y combinaciones de los mismos; y M se selecciona de Al, Ga, In, Sc, Y, Gd y combinaciones de los mismos; la composición de la fórmula (I):A3[MF6] tiene una solubilidad en agua inferior a una solubilidad de agua de K2SiF6; un aparato de iluminación que incluye la composición de fósforo también se proporciona.

公开(公告)号：MX383658B

公开(公告)日：2025-03-14

申请号：MX2016016391

申请日：2016-12-09

Applicant: GEN ELECTRIC

Inventor： GARCIA FLORENCIO ,  MURPHY JAMES EDWARD ,  SETLUR ANANT ACHYUT ,  SISTA SRINIVAS PRASAD

IPC: C09K11/61

Abstract: Un proceso para sintetizar un fósforo dopado con Mn4+ de color estable, el proceso incluye poner en contacto un precursor de fórmula I, Ax [MFy]:Mn4+ en cuaqluier temperatura en una escala de aproximadamente 200°C a aproximadamente 700°C con un agente oxidante que contiene flúor en forma gaseosa; mantener la temperatura durante un periodo de contacto de al menos una hora; y después del periodo de contacto, reducir la temperatura a una tasa de =5°C por minuto; en donde A es Li, Na, K, Rb, Cs o una combinación de los mismos; M es Si, Ge, Sn, Ti, Zr, Al, Ga, In, Sc, Hf, Y, La, Nb, Ta, Bi, Gd, o una combinación de los mismos; x es el valor absoluto de la carga del ion [MFy]; y es 5, 6 o 7.

公开(公告)号：MY192181A

公开(公告)日：2022-08-04

申请号：MYPI2019000676

申请日：2017-09-15

Applicant: GEN ELECTRIC

Inventor： POROB DIGAMBER GURUDAS ,  MURPHY JAMES EDWARD ,  GARCIA FLORENCIO ,  BREWSTER MEGAN MARIE

IPC: C09K11/02 ,  C09K11/61 ,  H01L33/00 ,  H01L33/50

Abstract: A lighting apparatus (10) includes an LED light source radiationally coupled to a composite material including a phosphor of formula I and a thermally conductive material (26) dispersed in at least a portion of a binder material. The thermally conductive material (26) includes a material selected from the group consisting of indium oxide, tin oxide, indium tin oxide, calcium oxide, barium oxide, strontium oxide, aluminum hydroxide, magnesium hydroxide, calcium hydroxide, barium hydroxide, strontium hydroxide, zinc hydroxide, aluminum phosphate, magnesium phosphate, calcium phosphate, barium phosphate, strontium phosphate, diamond, graphene, polyethylene nanofibers, carbon nanotubes, silver metal nanoparticles, copper metal nanoparticles, gold metal nanoparticles, aluminum metal nanoparticles, boron nitride, silicon nitride, an alkali metal halide, calcium fluoride, magnesium fluoride, a compound of formula II, and combinations thereof.