公开(公告)号：US09404034B2

公开(公告)日：2016-08-02

申请号：US14138782

申请日：2013-12-23

Applicant: GENERAL ELECTRIC COMPANY

Inventor： Fangming Du ,  Alok Mani Srivastava ,  William Winder Beers ,  William Erwin Cohen

IPC: C09K11/02 ,  B32B9/04 ,  F21V9/16 ,  H01J61/44 ,  C09D5/32 ,  H01J61/46

CPC classification number: C09K11/025 ,  B32B9/04 ,  C09D5/32 ,  C09K11/08 ,  F21V9/30 ,  H01J61/44 ,  H01J61/46

Abstract: Coating systems suitable for use in fluorescent lamps, particularly as scattering agents within a UV-reflecting coating for the purpose of improving fluorescent lamp luminosity. Such a coating system is provided on a transparent or translucent substrate and includes a phosphor coating and a scattering agent that scatters UV rays. The scattering agent includes an inorganic powder present in a separate UV-reflecting layer adjacent the phosphor coating and/or dispersed in the phosphor coating so that the scattered UV rays are absorbed by the phosphor coating and cause the phosphor coating to emit visible light. The inorganic powder exhibits low or no absorption to UV rays having wavelengths of 185 nm and 254 nm and is not reactive with mercury.

Abstract translation: 适用于荧光灯的涂层系统，特别是作为改善荧光灯亮度的UV反射涂层内的散射剂。 这种涂布系统设置在透明或半透明的基材上，并且包括散射紫外线的荧光体涂层和散射剂。 散射剂包括存在于与荧光体涂层相邻的分散的UV反射层中和/或分散在荧光体涂层中的无机粉末，使得散射的紫外线被荧光体涂层吸收并使荧光体涂层发射可见光。 无机粉末对波长为185nm和254nm的紫外线表现出低或不吸收，并且不与汞反应。

公开(公告)号：US09388336B2

公开(公告)日：2016-07-12

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

IPC: H01L33/50 ,  C09K11/61

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

公开(公告)号：US20160115382A1

公开(公告)日：2016-04-28

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

IPC: C09K11/61 ,  F21K99/00 ,  F21V9/16

CPC classification number: C09K11/617 ,  H01L33/00 ,  H01L33/502 ,  H01L2224/48091 ,  H01L2224/48247 ,  H01L2224/48257 ,  H01L2924/181 ,  H01L2924/00014 ,  H01L2924/00012

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; 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.

Abstract translation: 制备式I的掺杂Mn + 4的磷光体的方法Ax [MFy]：Mn + 4I包括逐渐向第二溶液中加入第一溶液并且周期性地从反应器中排出产物液体，同时反应器中产物液体的体积 保持不变; 其中A为Li，Na，K，Rb，Cs或其组合; M是Si，Ge，Sn，Ti，Zr，Al，Ga，In，Sc，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.第一溶液包括M和HF源，第二溶液在A源的存在下包含Mn的反应器源。

公开(公告)号：US09142397B2

公开(公告)日：2015-09-22

申请号：US13870088

申请日：2013-04-25

Applicant: GENERAL ELECTRIC COMPANY

Inventor： Fangming Du ,  Heidi M. Anderson ,  William Erwin Cohen ,  Stephen Lloyd Killion ,  Adam Jason Burns

IPC: H01J61/44 ,  H01J9/00 ,  C09K11/77 ,  H01J61/48

CPC classification number: H01J61/44 ,  C09K11/7734 ,  C09K11/7777 ,  C09K11/7787 ,  H01J61/48

Abstract: Described are methods and apparatus for providing fluorescent lamps having a two-layer phosphor coating that includes a base coating and a top coating that economically provides a high color rendering index (CRI) of at least 87 with improved brightness. In an embodiment, a low-pressure discharge lamp includes a light transmissive envelope having a basecoat phosphor layer disposed on an inner surface, wherein the basecoat phosphor layer includes less than ten percent weight of a rare earth phosphor. Also included is a topcoat phosphor layer on a surface of the base coat phosphor layer that includes a blend of at least red, green, green-blue and blue emitting rare earth phosphors, and a fill gas composition within the light transmissive envelope.

Abstract translation: 描述了用于提供具有双层荧光粉涂层的荧光灯的方法和装置，其包括基底涂层和顶涂层，其经济地提供至少87的具有改善的亮度的高显色指数（CRI）。 在一个实施例中，低压放电灯包括透光外壳，其具有设置在内表面上的底涂荧光体层，其中底涂荧光体层包括少于10重量％的稀土荧光体。 还包括在底涂层荧光体层的表面上的面漆荧光体层，其包括至少红色，绿色，绿色和蓝色和蓝色的稀土荧光体的共混物，以及透光外壳内的填充气体组合物。

公开(公告)号：US08987984B2

公开(公告)日：2015-03-24

申请号：US13655894

申请日：2012-10-19

Applicant: General Electric Company

Inventor： William Erwin Cohen ,  Fangming Du ,  William Beers ,  Jon Bennett Jansma

IPC: H01J9/00 ,  H01J1/62 ,  C09K11/76

CPC classification number: C09K11/76 ,  C09K11/7734 ,  C09K11/7777 ,  C09K11/7787 ,  C09K11/7797 ,  H01J61/44

Abstract: A fluorescent lamp includes a phosphor composition comprising: Y2O3:Eu3+ (YEO); at least one of LaPO4:Ce3+, Tb3+ (LAP), MgAl11O19:Ce3+, Tb3+ (CAT) or GdMgB5O10:Ce3+, Tb3+ (CBT); a special BAMn phosphor, (Ba,Sr,Ca)(Mg1-xMnx)Al10O17:Eu2+, with a specific amount of Mn (x) as disclosed herein, and optionally halophosphor, with the proviso that there is no BaMgAl10O17:Eu2+ (BAM).

Abstract translation: 荧光灯包括荧光体组合物，其包含：Y 2 O 3：Eu 3+（YEO）; LaPO4：Ce3 +，Tb3 +（LAP），MgAl11O19：Ce3 +，Tb3 +（CAT）或GdMgB5O10：Ce3 +，Tb3 +（CBT）中的至少一种; 具有本文公开的特定量的Mn（x）的特定BAMn荧光体（Ba，Sr，Ca）（Mg1-xMnx）Al10O17：Eu2 +，以及任选的卤代荧光体，条件是不存在BaMgAl 10 O 17：Eu 2+（BAM ）。