公开(公告)号：US09755172B2

公开(公告)日：2017-09-05

申请号：US15356563

申请日：2016-11-19

Applicant: QD VISION, INC.

Inventor： Peter T. Kazlas ,  Zhaoqun Zhou ,  Yuhua Niu ,  Sang-Jin Kim ,  Benjamin S. Mashford

IPC: H01L51/50 ,  H01L51/52 ,  H01L51/56

CPC classification number: H01L51/502 ,  B82Y20/00 ,  H01L51/50 ,  H01L51/5004 ,  H01L51/5048 ,  H01L51/5056 ,  H01L51/5072 ,  H01L51/5088 ,  H01L51/5092 ,  H01L51/5221 ,  H01L51/56 ,  H01L2251/301 ,  H01L2251/303 ,  H01L2251/5369 ,  H01L2251/552 ,  H01L2251/556

Abstract: A device including an emissive material comprising quantum dots is disclosed. In one embodiment, the device includes a first electrode and a second electrode, a layer comprising quantum dots disposed between the first electrode and the second electrodes, and a first interfacial layer disposed at the interface between a surface of the layer comprising quantum dots and a first layer in the device. In certain embodiments, a second interfacial layer is optionally further disposed on the surface of the layer comprising quantum dots opposite to the first interfacial layer. In certain embodiments, a device comprises a light-emitting device. Other light emitting devices and methods are disclosed.

公开(公告)号：US20170186608A1

公开(公告)日：2017-06-29

申请号：US15400699

申请日：2017-01-06

Applicant: QD VISION, INC.

Inventor： INJA SONG ,  CRAIG BREEN

IPC: H01L21/02

CPC classification number: H01L21/02601 ,  B01J13/22 ,  B82Y30/00 ,  H01L21/02518 ,  H01L21/02628

Abstract: In one embodiment, a method for forming a coating comprising a semiconductor material on at least a portion of a population of semiconductor nanocrystals comprises providing a first mixture including semiconductor nanocrystals and an aromatic solvent, introducing one or more cation precursors and one or more anion precursors into the first mixture to form a reaction mixture for forming the semiconductor material, reacting the precursors in the reaction mixture, without the addition of an acid compound, under conditions sufficient to grow a coating comprising the semiconductor material on at least a portion of an outer surface of at least a portion of the semiconductor nanocrystals, and wherein an amide compound is formed in situ in the reaction mixture prior to isolating the coated semiconductor nanocrystals. In another embodiment, method for forming a coating comprising a semiconductor material on at least a portion of a population of semiconductor nanocrystals comprises providing a first mixture including semiconductor nanocrystals and a solvent, introducing an amide compound, one or more cation precursors and one or more anion precursors into the first mixture to form a reaction mixture for forming the semiconductor material, and reacting the precursors in the reaction mixture in the presence of the amide compound, under conditions sufficient to grow a coating comprising the semiconductor material on at least a portion of an outer surface of at least a portion of the semiconductor nanocrystals. Semiconductor nanocrystals including coatings grown in accordance with the above methods are also disclosed.

公开(公告)号：US20170069802A1

公开(公告)日：2017-03-09

申请号：US15159424

申请日：2016-05-19

Applicant: QD VISION, INC.

Inventor： ROBERT J. NICK ,  JONATHAN S. STECKEL

IPC: H01L33/50 ,  H01L33/64

CPC classification number: H01L33/507 ,  H01L33/64

Abstract: A light emitting device including a light emitting element having a light emitting surface and an optical component comprising an optical material comprising quantum dots sealed within an optically transparent structural member, the optical component being coupled to the light emitting element by a thermally conductive member is disclosed. A light emitting device including a light emitting element having a light emitting surface and an optical component comprising an optical material comprising quantum dots sealed within a structural member comprising single crystal sapphire, the optical component being coupled to the light emitting element by a thermally conductive member, is also disclosed.

Abstract translation: 公开了一种发光器件，其包括具有发光表面的发光元件和包括密封在光学透明结构元件内的包括量子点的光学材料的光学部件，所述光学部件通过导热部件耦合到发光元件 。 一种发光器件，包括具有发光表面的发光元件和包括密封在包括单晶蓝宝石的结构元件内的量子点的光学材料的光学部件，所述光学部件通过导热部件耦合到所述发光元件 ，也被披露。

公开(公告)号：US20170066963A1

公开(公告)日：2017-03-09

申请号：US15159389

申请日：2016-05-19

Applicant: QD VISION, INC.

Inventor： ROBERT J. NICK

IPC: C09K11/02 ,  H01L33/56 ,  C03C17/02 ,  H01L33/50 ,  C09K11/08 ,  C03C3/04

CPC classification number: C09K11/025 ,  C03B19/102 ,  C03B19/106 ,  C03C3/04 ,  C03C4/12 ,  C03C14/006 ,  C03C17/02 ,  C09K11/02 ,  C09K11/08 ,  H01L33/502 ,  H01L33/56

Abstract: A luminescent particle including a surface comprising glass that surrounds one or more particles of one or more light emissive materials is disclosed. Preferably the surface comprises a vitrified glass. Methods form making a luminescent particle including a surface comprising glass that surrounds one or more particles of one or more light emissive materials is also disclosed. Compositions and products including a luminescent particle are further disclosed.

Abstract translation: 公开了一种发光颗粒，包括包含一个或多个发光材料的一个或多个颗粒的包含玻璃的表面。 优选地，该表面包括玻璃化玻璃。 还公开了制造包括包含玻璃的表面的发光颗粒的方法，所述表面包围一种或多种发光材料的一种或多种颗粒。 还公开了包含发光颗粒的组合物和产品。

公开(公告)号：US20170066050A1

公开(公告)日：2017-03-09

申请号：US15180656

申请日：2016-06-13

Applicant: QD VISION, INC.

Inventor： JUSTIN W. KAMPLAIN ,  KEEVE GURKIN ,  PETER ALLEN

IPC: B22F1/00 ,  B22F9/24

CPC classification number: C22C1/007 ,  C01G28/026 ,  C01P2006/60

Abstract: A method for preparing semiconductor nanocrystals comprising indium arsenide is disclosed. The method includes heating a first mixture including nanocrystal seeds comprising indium arsenide with an absorbance in a range from about 700 to 800 nm and a liquid medium in a reaction vessel to a first temperature; and combining the nanocrystals seeds comprising indium arsenide with an indium-source mixture and an arsenic-source mixture under conditions suitable to increase the size of the seeds to form the semiconductor nanocrystals comprising indium arsenide, wherein the indium-source mixture includes an indium precursor, a coordinating solvent, and a carboxylic acid; and the arsenic-source mixture includes a liquid medium and an arsenic precursor represented by the formula As(Y(R)3)3, where Y is Ge, Sn, or Pb; and each R, independently, is alkyl, alkenyl, alkynyl, cycloalkyl, cycloalkenyl, heterocyclyl, aryl, or heteroaryl, wherein each R, independently, is optionally substituted by 1 to 6 substituents independently selected from hydrogen, halo, hydroxy, nitro, cyano, amino, alkyl, cycloalkyl, cycloalkenyl, alkoxy, acyl, thio, thioalkyl, alkenyl, alkynyl, cycloalkenyl, heterocyclyl, aryl, or heteroaryl. Semiconductor nanocrystals are also disclosed.

Abstract translation: 公开了一种制备包含砷化铟的半导体纳米晶体的方法。 该方法包括将包含砷化砷的纳米晶体种子的第一混合物加热至约700至800nm范围内的吸光度，将反应容器中的液体介质加热至第一温度; 以及在适于增加种子大小以形成包括砷化铟的半导体纳米晶体的条件下，将包含砷化铟的纳米晶体种子与铟 - 源混合物和砷源混合物组合，其中所述铟 - 源混合物包括铟前体， 配位溶剂和羧酸; 砷源混合物包括由式As（Y（R）3）3表示的液体介质和砷前体，其中Y是Ge，Sn或Pb; 并且每个R独立地是烷基，烯基，炔基，环烷基，环烯基，杂环基，芳基或杂芳基，其中每个R独立地任选被1至6个独立地选自氢，卤素，羟基，硝基，氰基 ，氨基，烷基，环烷基，环烯基，烷氧基，酰基，硫代，硫代烷基，烯基，炔基，环烯基，杂环基，芳基或杂芳基。 还公开了半导体纳米晶体。

公开(公告)号：US20160195663A1

公开(公告)日：2016-07-07

申请号：US14960633

申请日：2015-12-07

Applicant: QD VISION, INC.

Inventor： SETH COE-SULLIVAN ,  JOHN R. LINTON ,  DANIEL COHEN ,  JOHN E. RITTER

IPC: F21V8/00

CPC classification number: G02B6/0026 ,  G02B6/005 ,  G02B6/0073

Abstract: 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.

Abstract translation: 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。

公开(公告)号：US20160069536A1

公开(公告)日：2016-03-10

申请号：US14853299

申请日：2015-09-14

Applicant: QD VISION, INC.

Inventor： JOHN R. LINTON ,  EMILY M. SQUIRES ,  ROHIT MODI ,  DAVID GILDEA

IPC: F21V9/16 ,  G02B5/02 ,  B32B37/12

CPC classification number: F21V9/30 ,  B32B37/12 ,  B32B2307/40 ,  B82Y20/00 ,  G02B1/002 ,  G02B5/0242 ,  G02B5/0268 ,  Y10S977/774 ,  Y10T428/24876

Abstract: An optical component is disclosed that comprises a first substrate, an optical material comprising quantum confined semiconductor nanoparticles disposed over a predetermined region of a first surface of the first substrate, a layer comprising an adhesive material disposed over the optical material and any portion of the first surface of the first substrate not covered by the optical material, and a second substrate disposed over the layer comprising an adhesive material, wherein the first and second substrates are sealed together. In certain embodiments, the optical component further includes a second optical material comprising quantum confined semiconductor nanoparticles disposed between the layer comprising the adhesive material and the second substrate. Method are also disclosed. Also disclosed are products including the optical component.

Abstract translation: 公开了一种光学部件，其包括第一基板，包括设置在第一基板的第一表面的预定区域上的量子限制半导体纳米颗粒的光学材料，包括设置在光学材料上的粘合材料和第一基板的任何部分的层 未被光学材料覆盖的第一基板的表面和设置在包含粘合材料的层上的第二基板，其中第一和第二基板被密封在一起。 在某些实施例中，光学部件还包括第二光学材料，其包括设置在包括粘合剂材料的层和第二基底之间的量子限制半导体纳米颗粒。 还公开了方法。 还公开了包括光学部件的产品。

公开(公告)号：US20160068750A1

公开(公告)日：2016-03-10

申请号：US14853388

申请日：2015-09-14

Applicant: QD Vision, Inc.

Inventor： CHRISTOPHER R. CLOUGH ,  CRAIG BREEN ,  JONATHAN S. STECKEL ,  EBENEZER SELWYN ARUN THAMBAN

IPC: C09K11/88 ,  C09K11/02 ,  H01L33/06

CPC classification number: C09K11/883 ,  B82Y30/00 ,  C01B25/085 ,  C01B25/087 ,  C01G28/00 ,  C01G30/00 ,  C01P2004/64 ,  C01P2006/40 ,  C09K11/02 ,  C09K11/025 ,  C09K11/70 ,  H01L33/06 ,  Y10T428/2991

Abstract: A nanocrystal comprising a semiconductor material comprising one or more elements of Group IIIA of the Periodic Table of Elements and one or more elements of Group VA of the Periodic Table of Elements, wherein the nanocrystal is capable of emitting light having a photoluminescence quantum efficiency of at least about 30% upon excitation. Also disclosed is a nanocrystal including a core comprising a first semiconductor material comprising one or more elements of Group IIIA of the Periodic Table of Elements and one or more elements of Group VA of the Periodic Table of Elements, and a shell disposed over at least a portion of the core, the shell comprising a second semiconductor material, wherein the nanocrystal is capable of emitting light having a photoluminescence quantum efficiency of at least about 30% upon excitation. Also disclosed is a nanocrystal comprising a nanocrystal core and a shell comprising a semiconductor material disposed on at least a portion of the nanocrystal core, wherein the semiconductor material comprises at least three chemical elements and is obtainable by a process comprising adding a precursor for at least one of the chemical elements of the semiconductor material from a separate source to a nanocrystal core while simultaneously adding amounts of precursors for the other chemical elements of the semiconductor material. A population of nanocrystals, method for preparing nanocrystals, compositions, and devices including nanocrystals are also disclosed.

Abstract translation: 包括半导体材料的纳米晶体，所述半导体材料包含元素周期表的IIIA族元素的一种或多种元素和元素周期表的第VA族元素的一种或多种元素，其中所述纳米晶体能够发射具有光致发光量子效率的光 激发时至少约30％。 还公开了纳米晶体，其包括芯，其包含包含元素周期表的IIIA族的一种或多种元素的第一半导体材料和元素周期表的VA族的一种或多种元素，以及至少一种 芯的部分，壳包括第二半导体材料，其中纳米晶体在激发时能够发射具有至少约30％的光致发光量子效率的光。 还公开了一种纳米晶体，其包含纳米晶核和包含设置在纳米晶核的至少一部分上的半导体材料的外壳，其中所述半导体材料包含至少三种化学元素，并且可通过以下方法获得： 半导体材料的一种化学元素从单独的源到纳米晶核，同时为半导体材料的其它化学元素添加量。 还公开了纳米晶体的群体，制备纳米晶体的方法，组合物和包括纳米晶体的器件。

公开(公告)号：US20150287877A1

公开(公告)日：2015-10-08

申请号：US14644766

申请日：2015-03-11

Applicant: QD VISION, INC.

Inventor： Dorai Ramprasad

IPC: H01L33/06 ,  H01L33/28 ,  H01L33/00 ,  C09K11/56

CPC classification number: H01L33/06 ,  C09K11/565 ,  H01L33/0029 ,  H01L33/28

Abstract: A semiconductor nanocrystal capable of emitting light with an improved photoluminescence quantum efficiency. The present invention further relates to compositions and devices including semiconductor nanocrystals capable of emitting light with an improved photoluminescence quantum efficiency. A semiconductor nanocrystal wherein the semiconductor nanocrystal is capable of emitting light with a photoluminescence quantum efficiency greater than about 50% upon excitation and including a maximum peak emission with a FWHM less than 20 nm is disclosed. Also disclosed are a device, a population of semiconductor nanocrystals, and a composition including a semiconductor nanocrystal wherein the semiconductor nanocrystal is capable of emitting light with a photoluminescence quantum efficiency greater than about 50% upon excitation and including a maximum peak emission with a FWHM less than 20 nm. A semiconductor nanocrystal that is capable of emitting light upon excitation with a photoluminescence quantum efficiency greater than about 90%. Also disclosed are a device, a population, and a composition including a semiconductor nanocrystal.

Abstract translation: 能够发射具有改善的光致发光量子效率的光的半导体纳米晶体。 本发明还涉及包含能够发射具有改善的光致发光量子效率的光的半导体纳米晶体的组合物和器件。 公开了一种半导体纳米晶体，其中半导体纳米晶体能够在激发时发射具有大于约50％的光致发光量子效率并且包括具有小于20nm的FWHM的最大峰值发射的光。 还公开了一种器件，半导体纳米晶体群和包含半导体纳米晶体的组合物，其中半导体纳米晶体在激发时能够发射具有大于约50％的光致发光量子效率的光，并且包括FWHM较小的最大峰值发射 超过20nm。 能够在光致发光量子效率大于约90％的激发下发光的半导体纳米晶体。 还公开了包括半导体纳米晶体的器件，群体和组合物。

公开(公告)号：US20150285982A1

公开(公告)日：2015-10-08

申请号：US14270098

申请日：2014-05-05

Applicant: QD VISION, INC.

Inventor： SETH COE-SULLIVAN ,  JOHN R. LINTON ,  CRAIG BREEN ,  JONATHAN S. STECKEL ,  MARK COMERFORD

IPC: F21V8/00

CPC classification number: G02B6/0026 ,  B82Y20/00 ,  G02B6/0043 ,  G02B6/0065 ,  G09F13/22 ,  Y10S977/774

Abstract: 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.

Abstract translation: 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。