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    Light-emitting devices and displays with improved performance
    24.
    发明申请
    Light-emitting devices and displays with improved performance 有权
    具有改进性能的发光装置和显示器

    公开(公告)号：US20090278141A1

    公开(公告)日：2009-11-12

    申请号：US12313779

    申请日：2008-11-24

    申请人： Seth Coe-Sullivan ,  Dorai Ramprasad ,  Ioannis Kymissis ,  Vladimir Bulovic ,  Marshall Cox ,  Caroline J. Roush ,  Peter T. Kazlas ,  Jonathan S. Steckel

    发明人： Seth Coe-Sullivan ,  Dorai Ramprasad ,  Ioannis Kymissis ,  Vladimir Bulovic ,  Marshall Cox ,  Caroline J. Roush ,  Peter T. Kazlas ,  Jonathan S. Steckel

    IPC分类号： H01L33/00

    CPC分类号： H01L33/06 ,  B82Y20/00 ,  B82Y30/00 ,  C09K11/02 ,  C09K11/565 ,  C09K11/883 ,  H01L27/156 ,  H01L33/0029 ,  H01L33/28 ,  H01L51/5012 ,  H01L51/502 ,  H05B33/145

    摘要： Light-emitting devices and displays with improved performance are disclosed. A light-emitting device includes an emissive material disposed between a first electrode, and a second electrode. Various embodiments include a device having a peak external quantum efficiency of at least about 2.2%; a device that emits light having a CIE color coordinate of x greater than 0.63; a device having an external quantum efficiency of at least about 2.2 percent when measured at a current density of 5 mA/cm2. Also disclosed is a light-emitting device comprising a plurality of semiconductor nanocrystals capable of emitting red light upon excitation, wherein the device has a peak luminescent efficiency of at least about 1.5 lumens per watt. Also disclosed is a light-emitting device comprising a plurality of semiconductor nanocrystals capable of emitting red light upon excitation, wherein the device has a luminescent efficiency of at least about 1.5 lumens per watt when measured at a current density of 5 milliamps/square centimeter. Also disclosed is a light-emitting device comprising a plurality of semiconductor nanocrystals capable of emitting green light upon excitation, wherein the device has a peak external quantum efficiency of at least about 1.1 percent. Further disclosed is a light-emitting device comprising a plurality of semiconductor nanocrystals, wherein the device has a luminescent efficiency of at least about 3 lumens per watt when measured at a current density of 5 mA/cm2. Further disclosed is a light-emitting device comprising a plurality of semiconductor nanocrystals capable of emitting green light upon excitation, wherein the device has an external quantum efficiency of at least about 2% when measured at a current density of 5 mA/cm2. Other light-emitting devices and displays with improved performance are disclosed. Also disclosed are methods for preparing and for purifying semiconductor nanocrystals.

    摘要翻译： 公开了具有改进性能的发光装置和显示器。 发光装置包括设置在第一电极和第二电极之间的发光材料。 各种实施方案包括具有至少约2.2％的峰值外部量子效率的器件; 发射具有x大于0.63的CIE色坐标的光的装置; 当以5mA / cm 2的电流密度测量时，具有至少约2.2％的外部量子效率的器件。 还公开了包括能够在激发时发射红光的多个半导体纳米晶体的发光器件，其中该器件具有至少约1.5流明/瓦特的峰值发光效率。 还公开了一种发光器件，其包括能够在激发时发射红光的多个半导体纳米晶体，其中当以5毫安/平方厘米的电流密度测量时，该器件具有至少约1.5流明/瓦特的发光效率。 还公开了一种发光器件，其包括在激发时能够发射绿光的多个半导体纳米晶体，其中该器件具有至少约1.1％的峰值外部量子效率。 还公开了包括多个半导体纳米晶体的发光器件，其中当以5mA / cm 2的电流密度测量时，该器件具有至少约3流明/瓦的发光效率。 进一步公开的是一种发光器件，其包括能够在激发时发出绿光的多个半导体纳米晶体，其中当以5mA / cm 2的电流密度测量时，该器件具有至少约2％的外部量子效率。 公开了其他具有改进性能的发光装置和显示器。 还公开了制备和纯化半导体纳米晶体的方法。

    Compositions, optical component, system including an optical component, devices, and other products
    28.
    发明授权
    Compositions, optical component, system including an optical component, devices, and other products 有权
    组合物，光学部件，包括光学部件，装置和其它产品的系统

    公开(公告)号：US08718437B2

    公开(公告)日：2014-05-06

    申请号：US12283609

    申请日：2008-09-12

    申请人： Seth Coe-Sullivan ,  John R. Linton ,  Craig Breen ,  Jonathan S. Steckel ,  Mark Comerford ,  Rohit Modi

    发明人： Seth Coe-Sullivan ,  John R. Linton ,  Craig Breen ,  Jonathan S. Steckel ,  Mark Comerford ,  Rohit Modi

    IPC分类号： G02B6/00 ,  G02B6/10

    CPC分类号： G02B6/0026 ,  B82Y20/00 ,  G02B6/0011 ,  G02B6/0043 ,  G02B6/0065 ,  G09F13/22 ,  Y10S977/774

    摘要： A composition useful for altering the wavelength of visible or invisible light is disclosed. The composition comprising a solid host material and quantum confined semiconductor nanoparticles, wherein the nanoparticles are included in the composition in amount in the range from about 0.001 to about 15 weight percent based on the weight of the host material. The composition can further include scatterers. An optical component including a waveguide component and quantum confined semiconductor nanoparticles is also disclosed. A device including an optical component is disclosed. A system including an optical component including a waveguide component and quantum confined semiconductor nanoparticles and a light source optically coupled to the waveguide component is also disclosed. A decal, kit, ink composition, and method are also disclosed. A TFEL including quantum confined semiconductor nanoparticles on a surface thereof is also disclosed.

    摘要翻译： 公开了一种可用于改变可见光或不可见光的波长的组合物。 所述组合物包含固体主体材料和量子限制半导体纳米颗粒，其中所述纳米颗粒以所述主体材料的重量计约0.001至约15重量％的范围包含在所述组合物中。 组合物可以进一步包括散射体。 还公开了包括波导部件和量子限制半导体纳米颗粒的光学部件。 公开了一种包括光学部件的装置。 还公开了一种包括包括波导部件和量子限制半导体纳米颗粒的光学部件和光学耦合到波导部件的光源的系统。 还公开了贴花，试剂盒，油墨组合物和方法。 还公开了在其表面上包括量子限制半导体纳米颗粒的TFEL。

    Compositions, optical component, system including an optical component, devices, and other products
    29.
    发明申请
    Compositions, optical component, system including an optical component, devices, and other products 有权
    组合物，光学部件，包括光学部件，装置和其它产品的系统

    公开(公告)号：US20100314646A1

    公开(公告)日：2010-12-16

    申请号：US12655069

    申请日：2009-12-22

    申请人： Craig Breen ,  John R. Linton ,  Jonathan S. Steckel ,  Marshall Cox ,  Seth Coe-Sullivan ,  Mark Comerford

    发明人： Craig Breen ,  John R. Linton ,  Jonathan S. Steckel ,  Marshall Cox ,  Seth Coe-Sullivan ,  Mark Comerford

    IPC分类号： H01L33/00 ,  H01B1/00

    CPC分类号： B82Y20/00 ,  G02B6/004 ,  G02B6/0229

    摘要： The present inventions relate to optical components which include quantum confined semiconductor nanoparticles, wherein at least a portion of the nanoparticles include a ligand attached to a surface thereof, the ligand being represented by the formula: X-Sp-Z, wherein: X represents a primary amine group, a secondary amine group, a urea, a thiourea, an imidizole group, an amide group, an other nitrogen containing group, a carboxylic acid group, a phosphonic or arsonic acid group, a phosphinic or arsinic acid group, a phosphate or arsenate group, a phosphine or arsine oxide group; Sp represents a spacer group, such as a group capable of allowing a transfer of charge or an insulating group; and Z represents: (i) a reactive group capable of communicating specific chemical properties to the nanocrystal as well as provide specific chemical reactivity to the surface of the nanocrystal, and/or (ii) a group that is cyclic, halogenated, or polar a-protic. Compositions, systems, kits, films, inks, and TFEL lamps are also disclosed.

    摘要翻译： 本发明涉及包括量子限制半导体纳米颗粒的光学组件，其中至少一部分纳米颗粒包括与其表面连接的配体，该配体由下式X-Sp-Z表示，其中：X表示 伯胺基，仲胺基，脲，硫脲，亚氨基咪唑基，酰胺基，其他含氮基，羧酸基，膦酸或仲磺酸基，次膦酸或亚磺酸基，磷酸根 或砷酸盐基团，膦或胂氧化物基团; Sp表示间隔基，例如可以允许电荷转移或绝缘组的基团; 并且Z表示：（i）能够与纳米晶体传递特定化学性质的反应性基团，并且提供对纳米晶体的表面的特定的化学反应性，和/或（ii）环状，卤化的或极性的基团 -protic。 还公开了组合物，系统，试剂盒，薄膜，油墨和TFEL灯。

    Compositions, optical component, system including an optical component, devices, and other products
    30.
    发明申请
    Compositions, optical component, system including an optical component, devices, and other products 有权
    组合物，光学部件，包括光学部件，装置和其它产品的系统

    公开(公告)号：US20090162011A1

    公开(公告)日：2009-06-25

    申请号：US12283609

    申请日：2008-09-12

    申请人： Seth Coe-Sullivan ,  John R. Linton ,  Craig Breen ,  Jonathan S. Steckel ,  Mark Comerford ,  Rohit Modi

    发明人： Seth Coe-Sullivan ,  John R. Linton ,  Craig Breen ,  Jonathan S. Steckel ,  Mark Comerford ,  Rohit Modi

    IPC分类号： G02B6/26 ,  H01J5/16 ,  G02B6/10 ,  G02F1/361

    CPC分类号： G02B6/0026 ,  B82Y20/00 ,  G02B6/0011 ,  G02B6/0043 ,  G02B6/0065 ,  G09F13/22 ,  Y10S977/774

    摘要： A composition useful for altering the wavelength of visible or invisible light is disclosed. The composition comprising a solid host material and quantum confined semiconductor nanoparticles, wherein the nanoparticles are included in the composition in amount in the range from about 0.001 to about 15 weight percent based on the weight of the host material. The composition can further include scatterers. An optical component including a waveguide component and quantum confined semiconductor nanoparticles is also disclosed. A device including an optical component is disclosed. A system including an optical component including a waveguide component and quantum confined semiconductor nanoparticles and a light source optically coupled to the waveguide component is also disclosed. A decal, kit, ink composition, and method are also disclosed. A TFEL including quantum confined semiconductor nanoparticles on a surface thereof is also disclosed.

    摘要翻译： 公开了一种可用于改变可见光或不可见光的波长的组合物。 所述组合物包含固体主体材料和量子限制半导体纳米颗粒，其中所述纳米颗粒以所述主体材料的重量计约0.001至约15重量％的范围包含在所述组合物中。 组合物可以进一步包括散射体。 还公开了包括波导部件和量子限制半导体纳米颗粒的光学部件。 公开了一种包括光学部件的装置。 还公开了一种包括包括波导部件和量子限制半导体纳米颗粒的光学部件和光学耦合到波导部件的光源的系统。 还公开了贴花，试剂盒，油墨组合物和方法。 还公开了在其表面上包括量子限制半导体纳米颗粒的TFEL。