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1. 发明授权

US09054329B2 Light-emitting devices and displays with improved performance 有权
公开(公告)号：US09054329B2
公开(公告)日：2015-06-09
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 , H01L51/50 , B82Y20/00 , B82Y30/00 , C09K11/02 , C09K11/56 , C09K11/88 , H05B33/14
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.

2. 发明申请

US20090278141A1 Light-emitting devices and displays with improved performance 有权
标题翻译：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。

3. 发明申请

US20100051901A1 Light emitting devices and displays with improved performance 审中-公开
标题翻译：具有改进性能的发光器件和显示器
公开(公告)号：US20100051901A1
公开(公告)日：2010-03-04
申请号：US12454705
申请日：2009-05-21
申请人： Peter T. Kazlas , Marshall Cox , Seth Coe-Sullivan , Dorai Ramprasad , Jonathan S. Steckel , Craig Breen , Caroline J. Roush , Mead Misic
发明人： Peter T. Kazlas , Marshall Cox , Seth Coe-Sullivan , Dorai Ramprasad , Jonathan S. Steckel , Craig Breen , Caroline J. Roush , Mead Misic
IPC分类号： H01L33/00
CPC分类号： C09K11/565 , B82Y20/00 , B82Y30/00 , H01L51/5012 , H05B33/14
摘要： Light emitting devices and devices with improved performance are disclosed. In one embodiment, a light emitting device includes an emissive material disposed between a first electrode, and a second electrode, wherein the emissive material comprises semiconductor nanocrystals capable of emitting light including a maximum peak emission in the blue region of the spectrum upon excitation, wherein the light emitting device can have a peak external quantum efficiency of at least about 1.0 percent. Also disclosed is a display including at least one light emitting device including an emissive material disposed between a first electrode, and a second electrode, wherein the at least one light emitting device can have a peak external quantum efficiency of at least about 1.0 percent. In another embodiment, a light emitting device includes an emissive material disposed between a first electrode and a second electrode. The emissive material comprises semiconductor nanocrystals capable of emitting light including a maximum peak emission in the blue region of the spectrum upon excitation. The device further includes a first spacer material disposed between the emissive material and the first electrode. In certain embodiments, the device further includes a first material capable of transporting charge disposed between the emissive material and the first electrode, wherein the first spacer material is disposed between the emissive material and the first electrode. In certain embodiments, for example, light emitting devices can have a maximum peak emission in a range from about 380 nm to about 500 nm. In certain embodiments, the light emitting device can have a maximum peak emission peak in the range from about 450 nm to about 490 nm. Displays including light emitting devices are also disclosed.
摘要翻译：公开了具有改进性能的发光器件和器件。在一个实施例中，发光器件包括设置在第一电极和第二电极之间的发光材料，其中发射材料包含能够发射包括在激发的光谱的蓝色区域中的最大峰值发射的光的半导体纳米晶体，其中发光器件可以具有至少约1.0％的峰值外部量子效率。还公开了一种显示器，其包括至少一个包括设置在第一电极和第二电极之间的发光材料的发光器件，其中所述至少一个发光器件可以具有至少约1.0％的峰值外部量子效率。在另一个实施例中，发光器件包括设置在第一电极和第二电极之间的发光材料。发射材料包括能够发射光的半导体纳米晶体，其包括在激发时在光谱的蓝色区域中的最大峰值发射。该装置还包括设置在发光材料和第一电极之间的第一间隔物材料。在某些实施例中，该装置还包括能够传输设置在发射材料和第一电极之间的电荷的第一材料，其中第一间隔物材料设置在发光材料和第一电极之间。在某些实施例中，例如，发光器件可以具有在约380nm至约500nm范围内的最大峰值发射。在某些实施方案中，发光器件可具有在约450nm至约490nm范围内的最大峰值发射峰值。还公开了包括发光器件的显示器。

4. 发明申请

US20100243053A1 Photovoltaic devices including quantum dot down-conversion materials useful for solar cells and materials including quantum dots 审中-公开
标题翻译：包括用于太阳能电池的量子点向下转换材料和包括量子点的材料的光伏器件
公开(公告)号：US20100243053A1
公开(公告)日：2010-09-30
申请号：US12655073
申请日：2009-12-22
申请人： Seth Coe-Sullivan , Peter T. Kazlas , Jonathan S. Steckel , John R. Linton , Maria J. Anc , John E. Ritter , Marshall Cox
发明人： Seth Coe-Sullivan , Peter T. Kazlas , Jonathan S. Steckel , John R. Linton , Maria J. Anc , John E. Ritter , Marshall Cox
IPC分类号： H01L31/00 , F28F7/00
CPC分类号： H01L31/055 , B82Y30/00 , H01L31/0296 , H01L31/0304 , H01L31/035281 , H01L31/0543 , H01L31/0547 , Y02E10/52
摘要： A photovoltaic device includes a heat transfer material comprising a dispersion of down-conversion quantum dots in a host medium. In certain embodiments, the host medium comprises a liquid or fluid. In certain embodiments, a heat transfer material comprises a dispersion of down-conversion quantum dots in a host medium comprising one or more heat-transfer fluids. A heat transfer material including quantum dots is also disclosed. Such devices and heat transfer materials can be useful for light energy conversion, e.g., in solar cells. Solar cells are also disclosed.
摘要翻译：光伏器件包括在主介质中包含下转换量子点的分散体的传热材料。在某些实施方案中，宿主培养基包括液体或流体。在某些实施方案中，传热材料包括在包含一种或多种传热流体的宿主培养基中的下转换量子点的分散体。还公开了包括量子点的传热材料。这种装置和传热材料可用于光能转换，例如在太阳能电池中。还公开了太阳能电池。

5. 发明授权

US10225906B2 Light emitting device including semiconductor nanocrystals 有权
公开(公告)号：US10225906B2
公开(公告)日：2019-03-05
申请号：US11253595
申请日：2005-10-20
申请人： Seth Coe-Sullivan , Jonathan S. Steckel , LeeAnn Kim , Moungi G. Bawendi , Vladimir Bulovic
发明人： Seth Coe-Sullivan , Jonathan S. Steckel , LeeAnn Kim , Moungi G. Bawendi , Vladimir Bulovic
IPC分类号： H05B33/10 , B41M5/025 , B82Y20/00 , B82Y30/00 , H01L21/67 , B41J2/005 , B41M3/00 , H05B33/14 , H01L51/50 , H01L51/56 , B41M1/02
摘要： A light emitting device includes a semiconductor nanocrystal in a layer. The layer can be a monolayer of semiconductor nanocrystals. The monolayer can form a pattern on a substrate.

6. 发明申请

US20110229998A1 Blue light emitting semiconductor nanocrystal materials 有权
公开(公告)号：US20110229998A1
公开(公告)日：2011-09-22
申请号：US11819413
申请日：2007-06-27
申请人： Jonathan S. Steckel , John P. Zimmer , Seth Coe-Sullivan , Nathan E. Stott , Vladimir Bulovic , Moungi G. Bawendi
发明人： Jonathan S. Steckel , John P. Zimmer , Seth Coe-Sullivan , Nathan E. Stott , Vladimir Bulovic , Moungi G. Bawendi
IPC分类号： H01L33/06
CPC分类号： C01G9/08 , B82Y20/00 , B82Y30/00 , C01G11/02 , C01P2004/04 , C01P2004/64 , C01P2004/84 , C01P2006/40 , C09K11/02 , C09K11/565 , H01L33/18 , H01L33/20 , H05B33/14
摘要： A semiconductor nanocrystal includes a core including a first semiconductor material and an overcoating including a second semiconductor material. A monodisperse population of the nanocrystals emits blue light over a narrow range of wavelengths with a high quantum efficiency.

7. 发明申请

US20100314646A1 Compositions, optical component, system including an optical component, devices, and other products 有权
标题翻译：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。

8. 发明授权

US08849087B2 Compositions, optical component, system including an optical component, devices, and other products 有权
标题翻译：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：US08849087B2
公开(公告)日：2014-09-30
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： G02B6/00 , B82Y20/00 , G02B6/02 , F21V8/00
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。

9. 发明申请

US20090283743A1 Composite including nanoparticles, methods, and products including a composite 有权
标题翻译：复合材料包括纳米颗粒，方法和产品，包括复合材料
公开(公告)号：US20090283743A1
公开(公告)日：2009-11-19
申请号：US12381524
申请日：2009-03-12
申请人： Seth Coe-Sullivan , Maria J. Anc , Jonathan S. Steckel
发明人： Seth Coe-Sullivan , Maria J. Anc , Jonathan S. Steckel
IPC分类号： H01L29/02 , B32B5/16 , B32B3/00 , B05D1/36 , B05D5/00
CPC分类号： H01L51/5048 , B82Y20/00 , B82Y30/00 , H01L51/5052 , Y10T428/24802 , Y10T428/25 , Y10T428/252
摘要： A composite comprising a first layer comprising a first material including nanoparticles dispersed therein, wherein the first material comprises a material capable of transporting charge, a second layer comprising a second material, and a backing element that is removably attached to the uppermost layer of the composite or the lowermost layer of the composite. In certain preferred embodiments, a least a portion of the nanoparticles include a ligand attached to a surface thereof. Methods are also disclosed. Products including a composite is further provided. Composite materials can be particularly well-suited for use, for example, in products useful in various optical, electronic, optoelectronic, magnetic, or catalytic devices.
摘要翻译：一种复合材料，其包括包含分散在其中的纳米颗粒的第一材料的第一层，其中所述第一材料包括能够输送电荷的材料，包含第二材料的第二层和可移除地附着到所述复合材料的最上层的背衬元件或复合材料的最下层。在某些优选实施方案中，纳米颗粒的至少一部分包括附着于其表面的配体。还公开了方法。还提供了包括复合材料的产品。复合材料可以特别适用于例如可用于各种光学，电子，光电子，磁性或催化装置的产品中。

10. 发明授权

US09349975B2 Composite including nanoparticles, methods, and products including a composite 有权
公开(公告)号：US09349975B2
公开(公告)日：2016-05-24
申请号：US12381524
申请日：2009-03-12
申请人： Seth Coe-Sullivan , Maria J. Anc , Jonathan S. Steckel
发明人： Seth Coe-Sullivan , Maria J. Anc , Jonathan S. Steckel
IPC分类号： H01L51/54 , H01L51/50 , B82Y20/00 , B82Y30/00
CPC分类号： H01L51/5048 , B82Y20/00 , B82Y30/00 , H01L51/5052 , Y10T428/24802 , Y10T428/25 , Y10T428/252
摘要： A composite comprising a first layer comprising a first material including nanoparticles dispersed therein, wherein the first material comprises a material capable of transporting charge, a second layer comprising a second material, and a backing element that is removably attached to the uppermost layer of the composite or the lowermost layer of the composite. In certain preferred embodiments, a least a portion of the nanoparticles include a ligand attached to a surface thereof. Methods are also disclosed. Products including a composite is further provided. Composite materials can be particularly well-suited for use, for example, in products useful in various optical, electronic, optoelectronic, magnetic, or catalytic devices.

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