公开(公告)号：US09868898B2

公开(公告)日：2018-01-16

申请号：US15197897

申请日：2016-06-30

Applicant: GENERAL ELECTRIC COMPANY

Inventor： James Edward Murphy ,  Fangming Du ,  Anant Achyut Setlur

IPC: C09K11/61 ,  C09K11/66 ,  C09K11/64 ,  H01L33/50

CPC classification number: C09K11/616 ,  C09K2211/181 ,  C09K2211/188 ,  H01L24/48 ,  H01L33/502 ,  H01L2224/48091 ,  H01L2224/48247 ,  H01L2224/48257 ,  H01L2924/00014 ,  H01L2924/181 ,  H01L2924/00012 ,  H01L2224/45099 ,  H01L2224/45015 ,  H01L2924/207

Abstract: Processes for preparing color stable Mn4+ doped phosphors include contacting a phosphor of formula I with a fluorine-containing oxidizing agent in gaseous form at temperature ≦225° C. to form the color stable Mn4+ doped phosphor A x ⁢ MF y ⁢ : ⁢ Mn 4 + I wherein A is independently at each occurrence Li, Na, K, Rb, Cs, or a combination thereof; M is independently at each occurrence 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. In another aspect, the processes include contacting a phosphor of formula I at an elevated temperature with an oxidizing agent comprising a C1-C4 fluorocarbon, to form the color stable Mn4+ doped phosphor.

公开(公告)号：US09395301B2

公开(公告)日：2016-07-19

申请号：US14504917

申请日：2014-10-02

Applicant: General Electric Company

Inventor： Mark Allen Cheverton ,  Anant Achyut Setlur ,  Victor Petrovich Ostroverkhov ,  Guanghua Wang ,  Joseph John Shiang

IPC: G01N21/64 ,  G01J5/10 ,  G01J5/08

CPC classification number: G01J5/0896 ,  G01J1/58 ,  G01J5/10

Abstract: A method of monitoring a surface temperature of an environmental barrier coating (EBC) of a hot gas component includes directing an excitation beam having a first wavelength at a layer of a temperature indicator formed on the hot gas component. The method also includes measuring a fluorescent radiation emitted by the temperature indicator. The fluorescent radiation has a second wavelength and an intensity. In addition, the method includes determining a surface temperature of the EBC based on the intensity of the second wavelength of the fluorescent radiation.

Abstract translation: 监测热气体组分的环境阻挡涂层（EBC）的表面温度的方法包括将形成在热气体组分上的温度指示器层的第一波长的激发束引导。 该方法还包括测量由温度指示器发射的荧光辐射。 荧光辐射具有第二波长和强度。 此外，该方法包括基于荧光辐射的第二波长的强度确定EBC的表面温度。

公开(公告)号：US09385282B2

公开(公告)日：2016-07-05

申请号：US14302823

申请日：2014-06-12

Applicant: GENERAL ELECTRIC COMPANY

Inventor： Anant Achyut Setlur ,  James Edward Murphy ,  Florencio Garcia ,  Ashfaqul Islam Chowdhury ,  Srinivas Prasad Sista

IPC: C09K11/61 ,  H01L33/50

CPC classification number: H01L33/502 ,  C09K11/616 ,  C09K11/617 ,  H01L2224/48091 ,  H01L2224/48247 ,  H01L2924/181 ,  H01L2924/00014 ,  H01L2924/00012

Abstract: A process for synthesizing a Mn4+ doped phosphor includes contacting a precursor of formula I, Ax(M1−z,Mnz)Fy  I at an elevated temperature with a fluorine-containing oxidizing agent in gaseous form to form the Mn4+ doped phosphor; 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; and 0.03≦z≦0.10.

Abstract translation: 用于合成Mn4 +掺杂荧光体的方法包括在升高的温度下将式I的前体，Ax（M1-z，Mnz）Fy I与气态的含氟氧化剂接触以形成Mn4 +掺杂的荧光体; 其中A为Li，Na，K，Rb，Cs或其组合; M是Si，Ge，Sn，Ti，Zr，Al，Ga，In，Sc，Hf，Y，La，Nb，Ta，Bi，Gd或它们的组合; x是[MFy]离子的电荷的绝对值; y为5,6或7; 和0.03＆nlE; z＆nlE; 0.10。

公开(公告)号：US20150092912A1

公开(公告)日：2015-04-02

申请号：US14073296

申请日：2013-11-06

Applicant: General Electric Company

Inventor： Haochuan Jiang ,  Anant Achyut Setlur ,  Robert Joseph Lyons ,  Kevin Alan David ,  James Edward Murphy ,  Vladimir Lobastov

IPC: G01T1/20 ,  G01N23/04

CPC classification number: G01N23/046 ,  G01T1/20 ,  Y10T29/49826

Abstract: Systems and method for filtering emissions from scintillators are provided. One system includes a scintillator having a scintillator material portion formed from a base scintillator material. The scintillator also includes a photodetector and a filter portion, The filter portion includes a material blocking near-infrared (IR) emissions. The filter portion is disposed on a surface of one of the scintillator material portion or the photodetector, and wherein the scintillator material portion, the photodetector, and the filter portion are coupled together. The filter portion blocks the near-IR emissions from impinging on the photodetector.

Abstract translation: 提供了用于过滤闪烁体发射的系统和方法。 一个系统包括具有由基底闪烁体材料形成的闪烁体材料部分的闪烁器。 闪烁体还包括光电检测器和过滤器部分。过滤器部分包括阻挡近红外（IR）发射的材料。 滤光器部分设置在闪烁体材料部分或光电检测器之一的表面上，其中闪烁体材料部分，光电检测器和过滤器部分耦合在一起。 过滤器部分阻挡近红外辐射照射在光电检测器上。

公开(公告)号：US10720554B2

公开(公告)日：2020-07-21

申请号：US15710780

申请日：2017-09-20

Applicant: GENERAL ELECTRIC COMPANY

Inventor： Samuel Joseph Camardello ,  Anant Achyut Setlur

IPC: H01L33/50 ,  C01F11/00 ,  C01G43/00 ,  C01G17/00 ,  C01G33/00 ,  C01G15/00 ,  C09K11/71 ,  C09K11/62 ,  C09K11/61 ,  C01G31/00 ,  C09K11/08 ,  C09K11/64 ,  C01F11/22 ,  C01F11/06 ,  C01F5/00 ,  C01F11/20 ,  G02F1/13357

Abstract: A device including an LED light source optically coupled to a green-emitting U6+-doped phosphor having a composition selected from the group consisting of U6+-doped phosphate-vanadate phosphors, U6+-doped halide phosphors, U6+-doped oxyhalide phosphors, U6+-doped silicate-germanate phosphors, U6+-doped alkali earth oxide phosphors, and combinations thereof, is presented. The U6+-doped phosphate-vanadate phosphors are selected from the group consisting of compositions of formulas (A1)-(A12). The U6+-doped halide phosphors are selected from the group consisting of compositions for formulas (B1)-(B3). The U6+-doped oxyhalide phosphors are selected from the group consisting of compositions of formulas (C1)-(C5). The U6+-doped silicate-germanate phosphors are selected from the group consisting of compositions of formulas (D1)-(D11). The U6+-doped alkali earth oxide phosphors are selected from the group consisting of formulas (E1)-(E11).

公开(公告)号：US20180002598A1

公开(公告)日：2018-01-04

申请号：US15197891

申请日：2016-06-30

Applicant: GENERAL ELECTRIC COMPANY

Inventor： James Edward Murphy ,  Fangming Du ,  Anant Achyut Setlur

IPC: C09K11/61

CPC classification number: C09K11/616

Abstract: Processes for preparing color stable red-emitting phosphors include contacting a complex fluoride phosphor of formula I, AxMFy:Mn4+   I with a first fluorine-containing oxidizing agent in gaseous form at a first temperature ranging from about 200° C. to about 700° C., to form a first product phosphor; contacting the first product phosphor in particulate form with a solution of a compound of formula II in aqueous hydrofluoric acid, AxMFy   II to form a treated phosphor; and contacting the treated phosphor with a second fluorine-containing oxidizing agent in gaseous form at a second temperature of less than 225° C.; wherein A is independently at each occurrence Li, Na, K, Rb, Cs, or a combination thereof; M is independently at each occurrence 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：US09567516B2

公开(公告)日：2017-02-14

申请号：US14303020

申请日：2014-06-12

Applicant: General Electric Company

Inventor： James Edward Murphy ,  Anant Achyut Setlur ,  Florencio Garcia ,  Srinivas Prasad Sista

IPC: C09K11/61 ,  C09K11/64 ,  H01L33/50 ,  F21V9/16

CPC classification number: C09K11/616 ,  C09K11/617 ,  F21K9/60 ,  F21V9/30 ,  H01L33/502 ,  H01L2224/48247 ,  H01L2224/48257 ,  H01L2924/181 ,  H01L2924/00012

Abstract: A process for synthesizing a manganese (Mn4+) doped phosphor includes milling particles of the a phosphor precursor of formula I, and contacting the milled particles with a fluorine-containing oxidizing agent at an elevated temperature 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.

Abstract translation: 用于合成锰（Mn4 +）掺杂荧光体的方法包括研磨式I的荧光体前体的研磨颗粒，并且在升高的温度下将碾磨的颗粒与含氟氧化剂接触。[MFy]：Mn4 +（I）其中A 是Li，Na，K，Rb，Cs或它们的组合; M是Si，Ge，Sn，Ti，Zr，Al，Ga，In，Sc，Hf，Y，La，Nb，Ta，Bi，Gd或它们的组合; x是[MFy]离子的电荷的绝对值; y是5,6或7。

公开(公告)号：US20160376499A1

公开(公告)日：2016-12-29

申请号：US15109267

申请日：2014-12-16

Applicant: GENERAL ELECTRIC COMPANY

Inventor： Anant Achyut Setlur ,  Robert Joseph Lyons ,  Prasanth Kumar Nammalwar ,  James Edward Murphy ,  Florencio Garcia ,  Ravikumar Hanumantha

IPC: C09K11/02 ,  H01L33/50 ,  H01L33/52 ,  C09K11/61

CPC classification number: C09K11/025 ,  C09K11/616 ,  C09K11/617 ,  H01L33/502 ,  H01L33/505 ,  H01L33/507 ,  H01L33/52 ,  H01L2224/48091 ,  H01L2224/48247 ,  H01L2224/48257 ,  H01L2924/181 ,  H01L2924/00014 ,  H01L2924/00012

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 including the phosphor composition is also provided.

Abstract translation: 衍生自固体形式的K2SiF6：Mn4 +与包含式I：A3 [MF6]组成的无锰络合氟化物的饱和溶液的荧光体组合物，其中A选自Na，K，Rb及其组合 M选自Al，Ga，In，Sc，Y，Gd及其组合。 式I的组合物：A3 [MF6]的水溶解度低于K2SiF6的水溶性。 还提供了包括荧光体组合物的照明装置。

公开(公告)号：US09371481B2

公开(公告)日：2016-06-21

申请号：US14302907

申请日：2014-06-12

Applicant: GENERAL ELECTRIC COMPANY

Inventor： Florencio Garcia ,  Anant Achyut Setlur ,  James Edward Murphy ,  Srinivas Prasad Sista

IPC: C09K11/61 ,  H05B33/12

CPC classification number: C09K11/617 ,  C09K11/616 ,  H01L2224/48247 ,  H01L2224/48257 ,  H01L2924/181 ,  H05B33/12 ,  H01L2924/00012

Abstract: A process for synthesizing a Mn4+ doped phosphor includes contacting a precursor of formula I, Ax[MFy]:Mn4+   I at any temperature in a range from about 200° C. to about 700° C. with a fluorine-containing oxidizing agent in gaseous form; maintaining the temperature during a contact period of at least one hour; and, after the contact period, reducing the temperature at a rate of ≦5° C. per minute; 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.

Abstract translation: 用于合成Mn4 +掺杂荧光体的方法包括在约200℃至约700℃的任何温度下将含有式I的前体Ax [MFy]：Mn4 + I与气态的含氟氧化剂 形成; 在接触期间保持至少1小时的温度; 并且在接触期后以每分钟5℃的速度降低温度; 其中A为Li，Na，K，Rb，Cs或其组合; M是Si，Ge，Sn，Ti，Zr，Al，Ga，In，Sc，Hf，Y，La，Nb，Ta，Bi，Gd或它们的组合; x是[MFy]离子的电荷的绝对值; y是5,6或7。

公开(公告)号：US20160097719A1

公开(公告)日：2016-04-07

申请号：US14504917

申请日：2014-10-02

Applicant: General Electric Company

Inventor： Mark Allen Cheverton ,  Anant Achyut Setlur ,  Victor Petrovich Ostroverkhov ,  Guanghua Wang ,  Joseph John Shiang

IPC: G01N21/64 ,  G01J5/08 ,  G01J5/10

CPC classification number: G01J5/0896 ,  G01J1/58 ,  G01J5/10

Abstract: A method of monitoring a surface temperature of an environmental barrier coating (EBC) of a hot gas component includes directing an excitation beam having a first wavelength at a layer of a temperature indicator formed on the hot gas component. The method also includes measuring a fluorescent radiation emitted by the temperature indicator. The fluorescent radiation has a second wavelength and an intensity. In addition, the method includes determining a surface temperature of the EBC based on the intensity of the second wavelength of the fluorescent radiation.

Abstract translation: 监测热气体组分的环境阻挡涂层（EBC）的表面温度的方法包括将形成在热气体组分上的温度指示器层的第一波长的激发束引导。 该方法还包括测量由温度指示器发射的荧光辐射。 荧光辐射具有第二波长和强度。 此外，该方法包括基于荧光辐射的第二波长的强度确定EBC的表面温度。