公开(公告)号：US09929319B2

公开(公告)日：2018-03-27

申请号：US14304098

申请日：2014-06-13

Applicant: General Electric Company

Inventor： Anant Achyut Setlur ,  Stanton Earl Weaver ,  Thomas Bert Gorczyca ,  Ashfaqul Islam Chowdhury ,  James Edward Murphy ,  Florencio Garcia

IPC: H01L33/50 ,  C09K11/61 ,  H01L33/00 ,  C09K11/77

CPC classification number: H01L33/504 ,  C09K11/617 ,  C09K11/7774 ,  H01L33/005 ,  H01L33/502 ,  H01L2224/48247 ,  H01L2224/48257 ,  H01L2924/181 ,  H01L2933/0041 ,  H01L2924/00012

Abstract: A process for fabricating a LED lighting apparatus includes disposing a composite coating on a surface 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 poly(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：US20180079955A1

公开(公告)日：2018-03-22

申请号：US15270657

申请日：2016-09-20

Applicant: General Electric Company

Inventor： Digamber Gurudas Porob ,  James Edward Murphy ,  Florencio Garcia ,  Srinivas Prasad Sista ,  Anant Achyut Setlur ,  William Winder Beers ,  Fangming Du

IPC: C09K11/61 ,  H01L33/00 ,  H01L33/06 ,  H01L33/32 ,  H01L33/56 ,  H01L33/50 ,  H01L33/62 ,  H01L25/075

CPC classification number: C09K11/617 ,  C09K11/02 ,  H01L25/0753 ,  H01L33/0095 ,  H01L33/06 ,  H01L33/32 ,  H01L33/502 ,  H01L33/56 ,  H01L33/62 ,  H01L2933/0041 ,  H01L2933/005 ,  H01L2933/0066

Abstract: 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 IniGajAlkN, wherein 0≦i; 0≦j; 0≦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 C1-C20 alcohol, a C1-C20 ketone, a C1-C20 acetate compound, acetic acid, oleic acid, carboxylic acid, a source of A, silicic acid, or a combination thereof.

公开(公告)号：US20170145304A1

公开(公告)日：2017-05-25

申请号：US15402606

申请日：2017-01-10

Applicant: GENERAL ELECTRIC COMPANY

Inventor： James Edward Murphy ,  Anant Achyut Setlur ,  Florencio Garcia ,  Robert Joseph Lyons ,  Ashfaqul Islam Chowdhury ,  Nagaveni Karkada ,  Prasanth Kumar Nammalwar ,  William Winder Beers

IPC: C09K11/61 ,  C08K3/34 ,  H01L33/50 ,  C09K11/02

CPC classification number: C09K11/617 ,  C08K3/34 ,  C09K11/025 ,  C09K11/616 ,  H01L33/502 ,  H01L2224/48091 ,  H01L2224/48247 ,  H01L2224/48257 ,  H01L2924/181 ,  H01L2924/00014 ,  H01L2924/00012

Abstract: A lighting apparatus includes a semiconductor light source in direct contact with a polymer composite comprising a color stable Mn4+ doped 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/cm2, a LED wall-plug efficiency greater than 40%, and a board temperature greater than 25° C.

公开(公告)号：US09376615B2

公开(公告)日：2016-06-28

申请号：US14549847

申请日：2014-11-21

Applicant: GENERAL ELECTRIC COMPANY

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

IPC: C09K11/61 ,  H01L33/54 ,  H01L33/50 ,  C09K11/77

CPC classification number: C09K11/617 ,  C09K11/7774 ,  H01L33/502 ,  H01L33/507 ,  H01L33/54 ,  H01L2224/48247 ,  H01L2224/48257 ,  H01L2924/181 ,  H01L2924/00012

Abstract: A process for synthesizing a Mn4+ doped phosphor includes contacting a precursor of formula I, at an elevated temperature with a fluorine-containing oxidizing agent in gaseous form to form the color stable 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 amount of Mn ranges from about 0.9 wt % to about 4 wt %, based on total weight.

Abstract translation: 合成Mn4 +掺杂荧光体的方法包括使式I的前体在升高的温度下与气态的含氟氧化剂接触以形成颜色稳定的Mn4 +掺杂荧光体; 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; 并且Mn的量基于总重量为约0.9重量％至约4重量％。

公开(公告)号：US20160093776A1

公开(公告)日：2016-03-31

申请号：US14962624

申请日：2015-12-08

Applicant: General Electric Company

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

IPC: H01L33/50

CPC classification number: H01L33/502 ,  B82Y20/00 ,  C09K11/616 ,  C09K11/617 ,  H01L33/52 ,  H01L2933/0083 ,  Y10S977/774 ,  Y10S977/95

Abstract: A lighting apparatus is presented. The lighting apparatus includes a semiconductor light source, a color stable Mn4+ doped phosphor and a quantum dot material, each of the color stable Mn4+ doped phosphor and the quantum dot material being radiationally coupled to the semiconductor light source. A percentage intensity loss of the color stable Mn4| doped phosphor after exposure to a light flux of at least 20 w/cm2 at a temperature of at least 50 degrees Celsius for at least 21 hours is ≦4%. A backlight device including the lighting apparatus is also presented.

Abstract translation: 提出了一种照明装置。 照明装置包括半导体光源，颜色稳定的Mn4 +掺杂荧光体和量子点材料，每种颜色稳定的Mn4 +掺杂的荧光体和量子点材料辐射耦合到半导体光源。 颜色稳定的强度损失百分比Mn4 | 在至少20摄氏度的温度下暴露至少20W / cm2的光通量至少21小时后的掺杂磷光体为“4％”。 还提供了包括照明装置的背光装置。

公开(公告)号：US20150364655A1

公开(公告)日：2015-12-17

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: H01L33/50 ,  C09K11/61

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：US20140268655A1

公开(公告)日：2014-09-18

申请号：US14285746

申请日：2014-05-23

Applicant: GENERAL ELECTRIC COMPANY

Inventor： James Edward Murphy ,  Anant Achyut Setlur ,  Florencio Garcia ,  Robert Joseph Lyons ,  Ashfaqul Islam Chowdhury ,  Nagaveni Karkada ,  Prasanth Kumar Nammalwar

IPC: C09K11/61 ,  H01L33/50

CPC classification number: C09K11/617 ,  C08K3/34 ,  C09K11/025 ,  C09K11/616 ,  H01L33/502 ,  H01L2224/48091 ,  H01L2224/48247 ,  H01L2224/48257 ,  H01L2924/181 ,  H01L2924/00014 ,  H01L2924/00012

Abstract: A color stable Mn4+ doped phosphor of formula I, 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; and wherein % intensity loss of the phosphor after exposure to light flux of at least 80 w/cm2 at a temperature of at least 50° C. for at least 21 hours is ≦4%.

Abstract translation: 式I的颜色稳定的Mn4 +掺杂的荧光体，Ax [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为5,6或7; 并且其中在至少80℃的温度下暴露至少80w / cm 2的光通量至少21小时后的荧光粉的强度损失百分比为±4％。

公开(公告)号：US20140264418A1

公开(公告)日：2014-09-18

申请号：US14208592

申请日：2014-03-13

Applicant: GENERAL ELECTRIC COMPANY

Inventor： James Edward Murphy ,  Anant Achyut Setlur ,  Florencio Garcia ,  Robert Joseph Lyons ,  Ashfaqul Islam Chowdhury ,  Nagaveni Karkada ,  Prasanth Kumar Nammalwar

IPC: C09K11/61 ,  H01L33/50

CPC classification number: H01L33/502 ,  C09K11/616 ,  C09K2211/181 ,  C09K2211/188 ,  H01L33/52 ,  H01L2224/48091 ,  H01L2224/48247 ,  H01L2924/181 ,  H01L2924/00014 ,  H01L2924/00012

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 whereinA 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; andy is 5, 6 or 7.

Abstract translation: 用于合成颜色稳定的Mn4 +掺杂荧光体的方法包括在高温下以气态形式将式I的前体与含氟氧化剂接触以形成颜色稳定的Mn4 +掺杂荧光体Ax [MFy]：Mn4 + I，其中A为 Li，Na，K，Rb，Cs，NR4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; R是H，低级烷基或它们的组合; x是[MFy]离子的电荷的绝对值; y为5,6或7。