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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
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.
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公开(公告)号：US20160172549A1
公开(公告)日：2016-06-16
申请号：US14568170
申请日：2014-12-12
Applicant: General Electric Company
Inventor： Alok Mani Srivastava , Holly Ann Comanzo , William Winder Beers , Samuel Joseph Camardello , Fangming Du , William Erwin Cohen
CPC classification number: H01L33/504 , C04B35/5152 , C04B35/6262 , C04B35/6268 , C04B2235/3206 , C04B2235/3208 , C04B2235/3213 , C04B2235/3215 , C04B2235/3224 , C04B2235/3284 , C04B2235/3287 , C04B2235/3418 , C09K11/7733 , C09K11/7734 , C09K11/7735 , H01L33/50 , H01L33/502 , H01L33/505 , Y02B20/181
Abstract: A phosphor composition is disclosed. A phosphor composition, comprises at least 10 atomic % bromine; silicon, germanium or combination thereof; oxygen; a metal M, wherein M comprises zinc (Zn), magnesium (Mg), calcium (Ca), strontium (Sr), barium (Ba), or combinations thereof; and an activator comprising europium. The phosphor composition is formed from combining carbonate or oxides of metal M, silicon oxide, and europium oxide; and then firing the combination. A lighting apparatus including the phosphor composition is also provided. The phosphor composition may be combined with an additional phosphor to generate white light.
Abstract translation: 公开了一种荧光体组合物。 磷光体组合物包含至少10原子％的溴; 硅，锗或其组合; 氧; 金属M，其中M包括锌（Zn），镁（Mg），钙（Ca），锶（Sr），钡（Ba）或其组合; 和包含铕的活化剂。 荧光体组合物由金属M，氧化硅和氧化铕的碳酸盐或氧化物组合形成; 然后点燃组合。 还提供了包括荧光体组合物的照明装置。 磷光体组合物可以与另外的磷光体组合以产生白光。
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公开(公告)号：US09938457B1
公开(公告)日：2018-04-10
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
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.
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4.发明授权公开(公告)号：US09117650B2
公开(公告)日：2015-08-25
申请号：US14315904
申请日：2014-06-26
Applicant: GENERAL ELECTRIC COMPANY
Inventor： Fangming Du , Brett R. Bradley , William Erwin Cohen , Nathaniel Jon Farkas , Clark David Nelson
CPC classification number: H01J61/44 , C09K11/71 , C09K11/76 , C09K11/7734 , H01J61/35
Abstract: A coating system for a fluorescent lamp, and fluorescent lamps provided therewith. The coating system includes a phosphor-containing coating containing a mixture of phosphors that contain less than 10% weight rare earth phosphors. The phosphor-containing coating emits visible light having a color rendering index of at least 87 when excited by UV radiation.
Abstract translation: 一种用于荧光灯的涂层系统，以及提供荧光灯的荧光灯。 该涂层系统包括含有含有少于10重量％稀土荧光体的磷光体混合物的含磷光体涂层。 当通过紫外线辐射激发时，含荧光体的涂层发射具有至少87的显色指数的可见光。
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5.发明申请PROCESSES FOR PREPARING COLOR STABLE MANGANESE-DOPED COMPLEX FLUORIDE PHOSPHORS 有权制备颜色稳定的锰酸盐复合氟化物荧光体的方法公开(公告)号：US20150166887A1
公开(公告)日：2015-06-18
申请号：US14568396
申请日：2014-12-12
Applicant: GENERAL ELECTRIC COMPANY
Inventor： James Edward Murphy , William Winder Beers , Robert Joseph Lyons , Fangming Du
CPC classification number: C09K11/616 , H01L33/502 , H01L33/507 , H01L2224/48247 , H01L2224/48257 , H01L2924/181 , H01L2924/00012
Abstract: A process for preparing a color stable Mn4+ doped complex fluoride phosphor of formula I includes Ax(M(1−m),Mnm)Fy (I) contacting a first aqueous HF solution comprising (1−m) parts of a compound of formula HxMFy, and a second aqueous HF solution comprising m*n parts of a compound of formula Ax[MnFy], with a third aqueous HF solution comprising (1−n) parts of the compound of formula Ax[MnFy] and a compound of formula AaX, to yield a precipitate comprising the color stable Mn4+ doped complex fluoride phosphor; 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 an anion; a is the absolute value of the charge of the X anion; x is the absolute value of the charge of the [MFy] ion; y is 5, 6 or 7; 0
Abstract translation: 制备式I的颜色稳定的Mn4 +掺杂复合氟化物荧光体的方法包括与包含（1-m）份式H x M F y的化合物的第一HF水溶液接触的M 1（M（1-m），Mnm） 和包含m * n个分子式Ax [MnFy]化合物的第二HF水溶液与包含（1-n）份式Ax [MnF y]化合物和式AaX化合物的第一HF水溶液 以产生包含颜色稳定的Mn4 +掺杂的复合氟化物荧光体的沉淀物; 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是阴离子; a是X阴离子电荷的绝对值; x是[MFy]离子的电荷的绝对值; y为5,6或7; 0
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Patent Agency Ranking
公开(公告)号：US10563121B2
公开(公告)日：2020-02-18
申请号：US15171098
申请日：2016-06-02
Applicant: GENERAL ELECTRIC COMPANY
Inventor： William Winder Beers , Jianmin He , Fangming Du , James Edward Murphy , William Erwin Cohen , Clark David Nelson , Cynthia Susan Link
Abstract: A method includes obtaining particles of a phosphor precursor of formula Ax[MFy]:Mn4+, 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.
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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
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.
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8.发明授权Compositions and methods for modifying lumen maintenance characteristics of phosphor-containing coatings 有权用于改变含磷涂层的流明维持特性的组合物和方法公开(公告)号：US09269559B1
公开(公告)日：2016-02-23
申请号：US14487788
申请日：2014-09-16
Applicant: GENERAL ELECTRIC COMPANY
Inventor： Jon Bennett Jansma , William Winder Beers , William Erwin Cohen , Fangming Du
IPC: H01J9/00 , H05B33/10 , H01J61/44 , C09K11/02 , C09K11/67 , C09K11/74 , C09K11/77 , C09K11/71 , C09D5/22 , C09K11/73
CPC classification number: H01J61/44 , C09D5/22 , C09K11/025 , C09K11/676 , C09K11/71 , C09K11/73 , C09K11/7478 , C09K11/7734 , C09K11/778
Abstract: Phosphor-containing coating compositions and methods capable of changing the lumen maintenance characteristics of phosphor-containing coatings and fluorescent lamps that utilize such coatings. Lumen maintenance of a fluorescent lamp can be modified by forming a phosphor-containing coating to contain at least a first phosphor that depreciates during operation of the fluorescent lamp, and forming the phosphor-containing coating to further contain an additive composition in a sufficient amount and sufficiently uniformly distributed in the phosphor-containing coating to inhibit depreciation of the first phosphor during operation of the fluorescent lamp.
Abstract translation: 含荧光体的涂料组合物和能够改变含磷涂料和使用这种涂料的荧光灯的流明维持特性的方法。 可以通过形成含荧光体的涂层来修饰荧光灯的维持量，以至少包含在荧光灯操作期间贬值的第一荧光体，并且形成含磷光体的涂层以进一步含有足够量的添加剂组合物， 足够均匀地分布在含荧光体的涂层中以抑制在荧光灯操作期间第一荧光体的折射。
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公开(公告)号：US10072206B2
公开(公告)日：2018-09-11
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 with a first fluorine-containing oxidizing agent in gaseous form at a first temperature ranging from 200° C. to 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 to form a treated phosphor, and contacting the treated phosphor with a second fluorine-containing oxidizing agent in gaseous form at a second temperature
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公开(公告)号：US10047286B2
公开(公告)日：2018-08-14
申请号：US14950644
申请日：2015-11-24
Applicant: GENERAL ELECTRIC COMPANY
Inventor： Fangming Du , William Winder Beers , William Erwin Cohen , Clark David Nelson , Jenna Marie Novak , John Matthew Root , James Edward Murphy , Srinivas Prasad Sista
Abstract: A process for preparing a Mn+4 doped phosphor of formula I Ax[MFy|:Mn+4 I includes gradually adding a first solution to a second solution and periodically discharging the product liquor from the reactor while volume of the product liquor in the reactor remains constant; wherein A is Li, Na, K, Rb, Cs, or a combination thereof; M is Si, Ge, Sn, Ti, Zr, Al, Ga, In, Sc, 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. The first solution includes a source of M and HF and the second solution includes a source of Mn to a reactor in the presence of a source of A.
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