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    Phosphor for down converting ultraviolet light of LEDs to blue-green light
    42.
    发明授权
    Phosphor for down converting ultraviolet light of LEDs to blue-green light 有权
    用于将LED的紫外光降至蓝绿光的荧光体

    公开(公告)号：US06555958B1

    公开(公告)日：2003-04-29

    申请号：US09571382

    申请日：2000-05-15

    申请人： Alok Mani Srivastava ,  Thomas Francis McNulty ,  Holly Ann Comanzo ,  Dan Darcy Doxsee

    发明人： Alok Mani Srivastava ,  Thomas Francis McNulty ,  Holly Ann Comanzo ,  Dan Darcy Doxsee

    IPC分类号： H05B3300

    CPC分类号： H01L33/50 ,  H01L33/502 ,  H01L2224/48247 ,  H01L2924/12044 ,  H01L2924/181 ,  Y10S502/503 ,  Y10S502/509 ,  H01L2924/00 ,  H01L2924/00012

    摘要： There is provided a blue-green illumination system, comprising a light emitting diode, and a luminescent material having emission CIE color coordinates located within an area of a of a pentagon on a CIE chromaticity diagram, whose corners have the following CIE color coordinates: i) x=0.0137 and y=0.4831; ii) x=0.2240 and y=0.3890; iii) x=0.2800 and y=0.4500; iv) x=0.2879 and y=0.5196; and v) x=0.0108 and y=0.7220. The light emitting diode may be a UV LED and the luminescent material may be a Ba2SiO4:Eu2+ phosphor, a Ba2(Mg,Zn)Si2O7:Eu2+ phosphor and/or a Ba2Al2O4:Eu2+ phosphor. The illumination system may be used as the green light of a traffic light or an automotive display.

    摘要翻译： 提供了一种蓝 - 绿照明系统，其包括发光二极管和发光CIE色坐标位于CIE色度图的五边形区域内的发光材料，其角具有以下CIE色坐标：i ）x = 0.0137和y = 0.4831; ii）x = 0.2240和y = 0.3890; iii）x = 0.2800和y = 0.4500; iv）x = 0.2879和y = 0.5196; 并且发光二极管可以是UV LED，发光材料可以是Ba2SiO4：Eu2 +荧光体，Ba2（Mg，Zn）Si2O7：Eu2 +荧光体和/或Ba2Al2O4：Eu2 +荧光体 。 照明系统可以用作交通信号灯或汽车显示器的绿灯。

    PHOSPHOR PRECURSOR COMPOSITION
    44.
    发明申请
    PHOSPHOR PRECURSOR COMPOSITION 审中-公开
    磷酸盐前体组合物

    公开(公告)号：US20130020928A1

    公开(公告)日：2013-01-24

    申请号：US13184773

    申请日：2011-07-18

    申请人： Alok Mani Srivastava ,  Holly Ann Comanzo ,  William Winder Beers

    发明人： Alok Mani Srivastava ,  Holly Ann Comanzo ,  William Winder Beers

    IPC分类号： H01J1/63 ,  C09K11/55 ,  H01J1/62 ,  C09K11/80

    CPC分类号： C09K11/7792 ,  C09K11/7734 ,  H01J61/44

    摘要： In accordance with one aspect of the present invention, a phosphor precursor composition is provided. The phosphor precursor composition includes gamma alumina, strontium oxide precursor, europium oxide precursor, and an alkaline earth metal precursor other than strontium oxide precursor which affords a phosphor having a formula selected from the group consisting of Sr4Al14O25:Eu2+, Sr4-a-zAaEUzAl14O25, and combinations thereof upon thermal treatment at a temperature above 800° C., wherein A is an alkaline earth metal other than strontium, 0≦a 0. Another aspect of the present invention provides a phosphor composition. Also provided in another aspect of the invention is a method of making the phosphor and a lighting apparatus including the phosphor.

    摘要翻译： 根据本发明的一个方面，提供一种荧光体前体组合物。 荧光体前体组合物包括γ氧化铝，氧化锶前体，氧化铕前体和除氧化锶前体之外的碱土金属前体，其提供具有选自Sr4Al14O25：Eu2 +，Sr4-a-zAaEUzAl14O25， 和其组合在高于800℃的温度下进行热处理，其中A是不同于锶的碱土金属，0＆lt; 1; a <4; 0.001 0。 本发明的另一方面提供一种磷光体组合物。 本发明的另一方面还提供了一种制造荧光体的方法和包括该荧光体的照明装置。

    Orange-red persistent phosphors
    45.
    发明授权
    Orange-red persistent phosphors 有权
    橙红色持久荧光粉

    公开(公告)号：US08211334B2

    公开(公告)日：2012-07-03

    申请号：US12606237

    申请日：2009-10-27

    申请人： Alok Mani Srivastava ,  Holly Ann Comanzo ,  Claire Susan Henderson

    发明人： Alok Mani Srivastava ,  Holly Ann Comanzo ,  Claire Susan Henderson

    IPC分类号： C09K11/54 ,  C09K11/55 ,  C09K11/56 ,  C09K11/61 ,  C09K11/62 ,  C09K11/64

    CPC分类号： C09K11/7786 ,  C09K11/7788 ,  H01J29/20

    摘要： Orange-red phosphors activated by europium and rare earth ions of formula I and formula II are long persistent, stable, and non-toxic M1F2-M1S: Eu2+, Ln3+  (I) M23M32O5X2: inside or outside Eu2+, Ln3+  (II) wherein M1 is Ba, Sr, Ca, Zn, Mg, or a combination thereof; M2 is Ba, Sr, Ca, Mg, Zn, or a combination thereof; M3 is Al, Ga, B, In, or a combination thereof; X is F, Cl, Br, I, or a combination thereof; and Ln is Dy, Yb, Tm, Er, Ho, Sm, Nd, or a combination thereof.

    摘要翻译： 由式I和式II的铕和稀土离子活化的橙红色磷光体是长持久，稳定和无毒的M1F2-M1S：Eu2 +，Ln3 +（I）M23M32O5X2：Eu2 +，Ln3 +（II）内部或外部，其中M1 是Ba，Sr，Ca，Zn，Mg或它们的组合; M2是Ba，Sr，Ca，Mg，Zn或它们的组合; M3是Al，Ga，B，In或它们的组合; X是F，Cl，Br，I或它们的组合; Ln是Dy，Yb，Tm，Er，Ho，Sm，Nd或它们的组合。

    NOVEL ALUMINOSILICATE BASED BLUE PERSISTENT PHOSPHORS
    46.
    发明申请
    NOVEL ALUMINOSILICATE BASED BLUE PERSISTENT PHOSPHORS 审中-公开
    新型的基于铝的蓝色荧光磷光体

    公开(公告)号：US20110147661A1

    公开(公告)日：2011-06-23

    申请号：US12643150

    申请日：2009-12-21

    申请人： Sam Joseph Camardello ,  Holly Ann Comanzo ,  Alok Mani Srivastava

    发明人： Sam Joseph Camardello ,  Holly Ann Comanzo ,  Alok Mani Srivastava

    IPC分类号： C09K11/78 ,  C09K11/80 ,  C09K11/79

    CPC分类号： C09K11/7797 ,  C09K11/0883 ,  C09K11/7792

    摘要： A blue persistent phosphor composition is provided, along with methods for making and using the composition. More specifically, in one embodiment, the phosphor includes a material having a formula of A3M10-xC1+x(O20-xNx):Eu, RE wherein A may be Ba, Sr, Ca, K, Na or a combination thereof, M may be Al, B, Zn, Co, Ga, Sc or a combination thereof, and C may be Si or Ge or a combination thereof; x is between 0.001 and 5.0; and RE is Dy, Nd, Er, Ho, Tm, Yb, Sm or a combination thereof. Beneficial embodiments use Sr, Si and a combination of Al and B to produce phosphors that are blue in color and have a slower rate of decay. In another embodiment, methods are provided for making persistent phosphors having the formulations above. Other embodiments provide applications for such a phosphor, including uses in toys, emergency equipment, clothing, and instrument panels, among others.

    摘要翻译： 提供蓝色持久荧光粉组合物，以及制备和使用组合物的方法。 更具体地，在一个实施方案中，荧光体包括具有式A3M10-xC1 + x（O20-xNx）：Eu，RE的材料，其中A可以是Ba，Sr，Ca，K，Na或其组合，M可以 Al，B，Zn，Co，Ga，Sc或它们的组合，C可以是Si或Ge或它们的组合; x在0.001和5.0之间; RE是Dy，Nd，Er，Ho，Tm，Yb，Sm或它们的组合。 有利的实施例使用Sr，Si和Al和B的组合来产生蓝色并具有较慢的衰变速率的荧光体。 在另一个实施方案中，提供了制备具有上述配方的持久性荧光体的方法。 其他实施例提供了这样的荧光体的应用，包括在玩具，应急设备，衣服和仪表板等中的用途。

    PERSISTENT PHOSPHOR
    48.
    发明申请
    PERSISTENT PHOSPHOR 有权
    PERSISTENT磷酸盐

    公开(公告)号：US20090152497A1

    公开(公告)日：2009-06-18

    申请号：US11954814

    申请日：2007-12-12

    申请人： Holly Ann Comanzo ,  Alok Mani Srivastava ,  William W. Beers ,  Sergio Paulo Loureiro ,  Anant Achyut Setlur ,  Stanley John Stoklosa ,  Claire S. Henderson

    发明人： Holly Ann Comanzo ,  Alok Mani Srivastava ,  William W. Beers ,  Sergio Paulo Loureiro ,  Anant Achyut Setlur ,  Stanley John Stoklosa ,  Claire S. Henderson

    IPC分类号： C09K11/54 ,  C01F17/00

    CPC分类号： C09K11/7792 ,  C09K11/02

    摘要： A long-lived phosphor composition is provided, along with methods for making and using the composition. More specifically, in one embodiment, the phosphor comprises a material having a formula of Ax-y-zAl2-m-n-o-pO4:Euy, REz, Bm, Znn, Coo, Scp. In this formula, A may be Ba, Sr, Ca, or a combination of these metals, x is between about 0.75 and 1.3, y is between about 0.0005 and 0.1, z is between about 0.0005 and 0.1, m is between about 0.0005 and 0.30, n is between about 0.0005 and 0.10, o is between about 0 and 0.01 and p is between about 0 and 0.05. RE is Dy, Nd, or a combination thereof. In another embodiment, methods are provided for making persistent phosphors comprising the formulations above. Other embodiments provide applications for such a phosphor, comprising uses in toys, emergency equipment, clothing, and instrument panels, among others.

    摘要翻译： 提供长寿命荧光粉组合物以及制备和使用该组合物的方法。 更具体地，在一个实施方案中，磷光体包括具有式Ax-y-zAl2-m-n-o-pO4：Euy，REz，Bm，Znn，Coo，Scp的材料。 在该式中，A可以是Ba，Sr，Ca或这些金属的组合，x在约0.75和1.3之间，y在约0.0005和0.1之间，z在约0.0005和0.1之间，m在约0.0005和 0.30，n在约0.0005和0.10之间，o在约0和0.01之间，p在约0和0.05之间。 RE是Dy，Nd或它们的组合。 在另一个实施方案中，提供了制备包含上述制剂的持久性荧光体的方法。 其他实施例提供了这样的荧光体的应用，其包括玩具，应急设备，衣服和仪表板等中的用途。