公开(公告)号：US20140284549A1

公开(公告)日：2014-09-25

申请号：US14215215

申请日：2014-03-17

Applicant: QD VISION, INC.

Inventor： WENHAO LIU ,  PETER M. ALLEN ,  ANNIE CHO WON ,  ZHIMING WANG ,  CRAIG A. BREEN

IPC: H01L33/24 ,  H01L33/26 ,  H01L33/06 ,  H01L33/00

CPC classification number: C09K11/883 ,  C09D11/52 ,  C09K11/025 ,  C09K11/565 ,  H01L33/06 ,  H01L33/24 ,  H01L33/26

Abstract: A semiconductor nanocrystal that emits green light having a peak emission with a full width at half maximum of about 30 nm or less at 100° C. and a method of making coated semiconductor nanocrystals are provided. Materials and other products including semiconductor nanocrystals described herein and materials and other products including semiconductor nanocrystals prepared by a method described herein are also disclosed.

Abstract translation: 提供了在100℃下发射半峰全宽为约30nm或更小的峰值发射的绿光的半导体纳米晶体，以及制备涂覆的半导体纳米晶体的方法。 还公开了包括本文所述的半导体纳米晶体的材料和其它产品以及通过本文所述的方法制备的包括半导体纳米晶体的材料和其它产品。

公开(公告)号：US08836212B2

公开(公告)日：2014-09-16

申请号：US11622215

申请日：2007-01-11

Applicant: Andrew F. Skipor ,  Krishna D. Jonnalagadda ,  Krishna Kalyanasundaram

Inventor： Andrew F. Skipor ,  Krishna D. Jonnalagadda ,  Krishna Kalyanasundaram

IPC: H01J1/62 ,  B41M3/00

CPC classification number: B41M3/006 ,  G09F3/02 ,  G09F13/20 ,  G09F13/22

Abstract: A light emissive printed articles (101) include printing with ink that includes quantum dots in lieu of pigment. A pump light that emits light with photon energies sufficient to excite the quantum dot ink (102) is used to drive light emission.

Abstract translation: 光发射印刷品（101）包括用包含量子点代替颜料的油墨进行印刷。 使用足以激发量子点墨水（102）的光子能量发射光的泵浦光用于驱动光发射。

公开(公告)号：US20140234999A1

公开(公告)日：2014-08-21

申请号：US14076409

申请日：2013-11-11

Applicant: QD VISION, INC.

Inventor： SANG-JIN KIM ,  MATTHEW STEVENSON ,  GAGAN MAHAN ,  PETER T. KAZLAS

IPC: H01L33/00 ,  H01L33/06

CPC classification number: H01L33/005 ,  C09K11/02 ,  C09K11/565 ,  C09K11/883 ,  H01L33/06 ,  H01L33/08 ,  H01L51/502 ,  H01L51/5237 ,  H01L51/56 ,  H01L2933/005 ,  H05B33/10 ,  H05B33/14

Abstract: A method of processing quantum dots is disclosed. The method comprises applying energy to excite the quantum dots to emit light and placing the quantum dots under vacuum after excitation of the quantum dots. Also disclosed is a method of processing a component including quantum dots comprising applying energy to the component including quantum dots to excite the quantum dots to emit light; and placing the component including quantum dots under vacuum after excitation. A method for processing a device is further disclosed, the method comprising applying energy to the device to excite the quantum dots to emit light; and placing the device under vacuum after excitation of the quantum dots. A method for preparing a device is also disclosed. Quantum dots, component, and devices of the methods are also disclosed.

Abstract translation: 公开了一种处理量子点的方法。 该方法包括施加能量以激发量子点发光并在量子点激发之后将量子点置于真空下。 还公开了一种处理包括量子点的部件的方法，包括向包括量子点的部件施加能量以激发量子点发光; 激发后将包含量子点的成分置于真空下。 还公开了一种处理器件的方法，该方法包括向器件施加能量以激发量子点发光; 并且在激发量子点之后将器件置于真空下。 还公开了一种用于制备器件的方法。 还公开了该方法的量子点，分量和装置。

公开(公告)号：US20130234109A1

公开(公告)日：2013-09-12

申请号：US13849676

申请日：2013-03-25

Applicant: QD VISION, INC.

Inventor： Craig Breen ,  Jonathan S. Steckel ,  Dorai Ramprasad

IPC: H01L33/06

CPC classification number: C09K11/883 ,  B82Y20/00 ,  B82Y30/00 ,  C09K11/02 ,  C09K11/025 ,  C09K11/0811 ,  C09K11/565 ,  C09K11/574 ,  H01L33/06 ,  Y10S428/917 ,  Y10T428/2991 ,  Y10T428/2993

Abstract: A semiconductor nanocrystal capable of emitting blue light upon excitation. Also disclosed are devices, populations of semiconductor nanocrystals, and compositions including a semiconductor nanocrystal capable of emitting blue light upon excitation. In one embodiment, a semiconductor nanocrystal capable of emitting blue light including a maximum peak emission at a wavelength not greater than about 470 nm with a photoluminescence quantum efficiency greater than about 65% upon excitation. In another embodiment, a semiconductor nanocrystal includes a core comprising a first semiconductor material comprising at least three chemical elements and a shell disposed over at least a portion of the core, the shell comprising a second semiconductor material, wherein the semiconductor nanocrystal is capable of emitting blue light with a photoluminescence quantum efficiency greater than about 65% upon excitation. In a further embodiment, a semiconductor nanocrystal includes a core comprising a first semiconductor material comprising at least three chemical elements and a shell disposed over at least a portion of the core, the shell comprising a second semiconductor material comprising at least three chemical elements, wherein the semiconductor nanocrystal is capable of emitting light including a maximum peak emission in the blue region of the spectrum upon excitation.

Abstract translation: 激发后能够发出蓝光的半导体纳米晶体。 还公开了半导体纳米晶体的器件，群体，以及包括在激发时能够发射蓝光的半导体纳米晶体的组合物。 在一个实施方案中，能够发射包括波长不大于约470nm的最大峰值发射的蓝光的半导体纳米晶体，其光致发光量子效率在激发时大于约65％。 在另一个实施例中，半导体纳米晶体包括芯，其包含包含至少三个化学元素的第一半导体材料和设置在芯的至少一部分上的壳，壳包括第二半导体材料，其中半导体纳米晶体能够发射 激发后光致发光量子效率大于约65％的蓝光。 在另一实施例中，半导体纳米晶体包括芯，其包括包含至少三个化学元件的第一半导体材料和设置在芯的至少一部分上的外壳，壳包括包含至少三个化学元素的第二半导体材料，其中 半导体纳米晶体在激发时能够发射包括光谱的蓝色区域中的最大峰值发射的光。

公开(公告)号：US20130193407A1

公开(公告)日：2013-08-01

申请号：US13740379

申请日：2013-01-14

Applicant: QD VISION, INC.

Inventor： Christopher R. Clough ,  Craig Breen ,  Jonathan S. Steckel ,  Ebenezer Selwyn Arun Thamban

IPC: 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 population of nanocrystals 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 comprising at least three chemical elements and 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. Devices including nanocrystals are disclosed.

Abstract translation: 包括核心的纳米晶体群包括包含元素周期表第IIIA族元素的一种或多种元素的第一半导体材料和元素周期表第VA族元素的一种或多种元素的核心，以及设置在至少一部分上的壳 所述壳体包括第二半导体材料，其中所述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。 还公开了纳米晶体，其包含纳米晶核和壳，其包含半导体材料，所述半导体材料包含至少三种化学元素，并且可通过包括将半导体材料的至少一种化学元素的前体从单独的源添加到纳米晶体 同时为半导体材料的其它化学元素添加量的前体。 公开了包括纳米晶体的器件。

公开(公告)号：US08128249B2

公开(公告)日：2012-03-06

申请号：US11846360

申请日：2007-08-28

Applicant: Andrew Skipor ,  Rick Latella ,  Steven Scheifers

Inventor： Andrew Skipor ,  Rick Latella ,  Steven Scheifers

IPC: F21V33/00

CPC classification number: G06F1/3218 ,  G02F1/1336 ,  G02F1/133617 ,  G02F2001/133614 ,  H01H13/83 ,  H01H2219/018 ,  H01H2219/052

Abstract: A backlighting device (300, 400, 500, 600) emitting light having a first wavelength includes a first radiation emission device (302), e.g., an electroluminescent lamp, for emitting radiation having a second wavelength. A layer (306) of a plurality of photon emitting particles (308), e.g., free standing quantum dots or phosphorus particles, emits light having the first wavelength in response to the first radiation emission device (302), the first wavelength being larger than the second wavelength. A transparent material (116, 120, 122) overlies the layer of a plurality of photon emitting particles (308), wherein the light having a first wavelength passes through the transparent material (116, 120, 122). Optionally, a filter (402) may be placed over the layer (306) to block the radiation having a second wavelength, and a scattering layer (604) may be placed over the layer (306) to scatter wavelength other than the first wavelength.

Abstract translation: 发射具有第一波长的光的背光装置（300,400,500,600）包括用于发射具有第二波长的辐射的第一辐射发射装置（302），例如电致发光灯。 多个光子发射粒子（308）的层（306）（例如，独立量子点或磷粒子）响应于第一辐射发射装置（302）发射具有第一波长的光，第一波长大于 第二波长。 透明材料（116,120,122）覆盖多个光子发射颗粒（308）的层，其中具有第一波长的光通过透明材料（116,120,122）。 可选地，过滤器（402）可以放置在层（306）上以阻挡具有第二波长的辐射，并且可以在层（306）上方布置散射层（604）以散射除了第一波长之外的波长。

公开(公告)号：US07989153B2

公开(公告)日：2011-08-02

申请号：US11776087

申请日：2007-07-11

Applicant: Andrew F. Skipor ,  Steven M. Scheifers

Inventor： Andrew F. Skipor ,  Steven M. Scheifers

IPC: G03F7/00 ,  G03F1/00

CPC classification number: G03F7/038 ,  Y10T428/24802

Abstract: Free standing quantum do (FSQDT) polymer composites and a method and apparatus for patterning the FSQDT polymer composites is provided. The method for patterning the FSQDT polymer composites includes creating a solution including FSQDTs where each of the FSQDTs has a plurality of reactive ligands chemically attached thereto. The method further includes providing a substrate, forming a coated substrate by coating a surface of the substrate with a layer of the solution, and providing a photo mask having a predetermined pattern thereon transparent to a predetermined radiation over the coated substrate. Finally, the method includes exposing a portion of the coated substrate to the predetermined radiation passing through the mask to pattern a polymer matrix in the predetermined pattern while adhering the FSQDTs to the polymer matrix to form the FSQDT polymer composite.

Abstract translation: 提供了自由立体量子（FSQDT）聚合物复合材料和用于图案化FSQDT聚合物复合材料的方法和设备。 图案化FSQDT聚合物复合材料的方法包括产生包括FSQDT的溶液，其中每个FSQDT具有与其化学连接的多个反应性配体。 该方法还包括提供基底，通过用溶液层涂覆基底的表面形成涂覆的基底，并且提供具有预定图案的光掩模，其上涂覆的基底上的预定辐射透明。 最后，该方法包括将涂覆的基底的一部分暴露于通过掩模的预定辐射，以将FSQDTs粘附到聚合物基质上以形成FSQDT聚合物复合材料，从而以预定图案形成聚合物基质。