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    • 1. 发明申请
    • LIGHTING SYSTEMS & DEVICES INCLUDING SAME
    • 照明系统和设备,包括相同
    • US20160195663A1
    • 2016-07-07
    • US14960633
    • 2015-12-07
    • QD VISION, INC.
    • SETH COE-SULLIVANJOHN R. LINTONDANIEL COHENJOHN E. RITTER
    • F21V8/00
    • G02B6/0026G02B6/005G02B6/0073
    • A lighting system is disclosed. The lighting system comprises at least one light source comprising a light emitting diode (LED) and one or more phosphors optically coupled to the LED to convert at least a portion of original light emitted by the LED to provide a modified LED light having a first predetermined spectral output, and an optical material that is optically coupled to at least a portion of a surface of a light guide plate and optically coupled to receive at least a portion of the modified LED light and to convert at least a portion of the modified LED light to at least one predetermined wavelength to provide modified light having a second predetermined spectral output, wherein the optical material comprises one or more types of quantum confined semiconductor nanoparticle. A device including a lighting system is also disclosed.
    • 公开了一种照明系统。 照明系统包括至少一个光源,其包括发光二极管(LED)和一个或多个光学耦合到LED的磷光体,以转换由LED发射的原始光的至少一部分,以提供具有第一预定 光学输出,以及光学耦合到导光板的表面的至少一部分并光学耦合以接收至少一部分修改的LED光并且将至少一部分改进的LED光转换的光学材料 至少一个预定波长以提供具有第二预定光谱输出的修改光,其中所述光学材料包括一种或多种类型的量子限制半导体纳米颗粒。 还公开了一种包括照明系统的装置。
    • 2. 发明申请
    • COMPOSITIONS, OPTICAL COMPONENT, SYSTEM INCLUDING AN OPTICAL COMPONENT, DEVICES, AND OTHER PRODUCTS
    • 组件,光学组件,包括光学组件,设备和其他产品的系统
    • US20150285982A1
    • 2015-10-08
    • US14270098
    • 2014-05-05
    • QD VISION, INC.
    • SETH COE-SULLIVANJOHN R. LINTONCRAIG BREENJONATHAN S. STECKELMARK COMERFORD
    • F21V8/00
    • G02B6/0026B82Y20/00G02B6/0043G02B6/0065G09F13/22Y10S977/774
    • 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.
    • 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。
    • 4. 发明申请
    • OPTICAL COMPONENTS, SYSTEMS INCLUDING AN OPTICAL COMPONENT, AND DEVICES
    • 光学元件,包括光学元件的系统和器件
    • US20160077269A1
    • 2016-03-17
    • US14859547
    • 2015-09-21
    • QD VISION,INC.
    • SETH COE-SULLIVANDANIEL COHENJOHN E. RITTERJOHN R. LINTON
    • F21V8/00
    • G02B6/0015G02B6/005G02B6/0065
    • A lighting system including a light source capable of generating light, and an optical component optically coupled to receive at least a portion of the light generated by the light source and convert at least a portion of the light so received to a predetermined wavelength such that the light emitted by the lighting system includes light emission from the light source supplemented with light emission at the predetermined wavelength, wherein the optical component including an optical material comprises quantum confined semiconductor nanoparticles. Also disclosed is an optical component comprising a light guide plate and an optical material disposed over at least a portion of a surface of the light guide plate, the optical material comprising quantum confined semiconductor nanoparticles capable of emitting light in a predetermined spectral region. Devices are also disclosed.
    • 一种包括能够产生光的光源的照明系统和光学部件,光学部件被光耦合以接收由光源产生的光的至少一部分,并将至少一部分如此接收的光转换成预定波长,使得 由照明系统发射的光包括来自补充有预定波长的发光的来自光源的光发射,其中包括光学材料的光学部件包括量子限制的半导体纳米颗粒。 还公开了一种光学部件,其包括导光板和设置在导光板的至少一部分表面上的光学材料,该光学材料包括能够在预定光谱区域中发光的量子限制半导体纳米粒子。 还公开了设备。
    • 7. 发明申请
    • LIGHT-EMITTING DEVICES AND DISPLAYS WITH IMPROVED PERFORMANCE
    • 具有改进性能的发光设备和显示器
    • US20160027960A1
    • 2016-01-28
    • US14732772
    • 2015-06-07
    • QD VISION, INC.
    • SETH COE-SULLIVANMARSHALL COXCAROLINE J. ROUSHJONATHAN S. STECKEL
    • H01L33/06H01L51/50H01L27/15H01L33/00H01L33/28
    • H01L33/06B82Y20/00B82Y30/00C09K11/02C09K11/565C09K11/883H01L27/156H01L33/0029H01L33/28H01L51/5012H01L51/502H05B33/145
    • 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.
    • 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。
    • 9. 发明申请
    • SEMICONDUCTOR NANOCRYSTALS, METHODS FOR MAKING SAME, COMPOSITIONS, AND PRODUCTS
    • US20150021548A1
    • 2015-01-22
    • US14451125
    • 2014-08-04
    • QD Vision, Inc.
    • WENHAO LIUCRAIG BREENSETH COE-SULLIVAN
    • H01L33/06H01L33/00H01L33/28
    • H01L33/06B82Y20/00C09D11/52C09K11/02C09K11/565C09K11/883H01L33/0029H01L33/28H01L33/502Y10S977/774
    • A semiconductor nanocrystal characterized by having a solid state photoluminescence external quantum efficiency at a temperature of 90° C. or above that is at least 95% of the solid state photoluminescence external quantum efficiency of the semiconductor nanocrystal at 25° C. is disclosed. A semiconductor nanocrystal having a multiple LO phonon assisted charge thermal escape activation energy of at least 0.5 eV is also disclosed. A semiconductor nanocrystal capable of emitting light with a maximum peak emission at a wavelength in a range from 590 nm to 650 nm characterized by an absorption spectrum, wherein the absorption ratio of OD at 325 nm to OD at 450 nm is greater than 5.5. A semiconductor nanocrystal capable of emitting light with a maximum peak emission at a wavelength in a range from 545 nm to 590 nm characterized by an absorption spectrum, wherein the absorption ratio of OD at 325 nm to OD at 450 nm is greater than 7. A semiconductor nanocrystal capable of emitting light with a maximum peak emission at a wavelength in a range from 495 nm to 545 nm characterized by an absorption spectrum, wherein the absorption ratio of OD at 325 nm to OD at 450 nm is greater than 10. A composition comprising a plurality of semiconductor nanocrystals wherein the solid state photoluminescence efficiency of the composition at a temperature of 90° C. or above is at least 95% of the solid state photoluminescence efficiency of the composition 25° C. is further disclosed. A method for preparing semiconductor nanocrystals comprises introducing one or more first shell chalcogenide precursors and one or more first shell metal precursors to a reaction mixture including semiconductor nanocrystal cores, wherein the first shell chalcogenide precursors are added in an amount greater than the first shell metal precursors by a factor of at least about 2 molar equivalents and reacting the first shell precursors at a first reaction temperature of at least 300° C. to form a first shell on the semiconductor nanocrystal cores. Populations, compositions, components and other products including semiconductor nanocrystals of the invention are disclosed. Populations, compositions, components and other products including semiconductor nanocrystals made in accordance with any method of the invention is also disclosed.