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    SEMICONDUCTOR NANOCRYSTALS AND COMPOSITIONS AND DEVICES INCLUDING SAME
    32.
    发明申请
    SEMICONDUCTOR NANOCRYSTALS AND COMPOSITIONS AND DEVICES INCLUDING SAME 审中-公开

    公开(公告)号：US20170069787A1

    公开(公告)日：2017-03-09

    申请号：US15256646

    申请日：2016-09-05

    Applicant: QD VISION, INC.

    Inventor： DORAI RAMPRASAD ,  CRAIG BREEN ,  JONATHAN S. STECKEL

    IPC: H01L33/06 ,  C09K11/56 ,  C09K11/88 ,  H01L33/28 ,  H01L33/00

    CPC classification number: H01L33/06 ,  B82Y20/00 ,  B82Y30/00 ,  C09K11/02 ,  C09K11/565 ,  C09K11/883 ,  H01L29/225 ,  H01L33/0029 ,  H01L33/28 ,  Y10S977/774 ,  Y10S977/95 ,  Y10T428/2991 ,  Y10T428/2993

    Abstract: A semiconductor nanocrystal including 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 light with an improved photoluminescence quantum efficiency. Also disclosed are populations of semiconductor nanocrystals, compositions and devices including a semiconductor nanocrystal capable of emitting light with an improved photoluminescence quantum efficiency. In one 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 light upon excitation with a photoluminescence quantum efficiency greater than about 65%. In another embodiment, a semiconductor nanocrystal includes a core comprising a first semiconductor material comprising zinc, cadmium, and sulfur and a shell disposed over at least a portion of the core, the shell comprising a second semiconductor material. In a further embodiment, a semiconductor nanocrystal includes a core comprises 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 with a photoluminescence quantum efficiency greater than about 60% upon excitation. In a further embodiment, a semiconductor nanocrystal including a core comprises a first semiconductor material comprising zinc, cadmium, and selenium 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 light with a photoluminescence quantum efficiency greater than about 60% upon excitation.

    Quantum Dot Light Enhancement Substrate and Lighting Device Including Same
    34.
    发明申请
    Quantum Dot Light Enhancement Substrate and Lighting Device Including Same 有权
    量子点光增强基板和包括其的照明设备

    公开(公告)号：US20160351749A1

    公开(公告)日：2016-12-01

    申请号：US15055827

    申请日：2016-02-29

    Applicant: QD Vision, Inc.

    Inventor： Seth Coe-Sullivan ,  Peter T. Kazlas

    IPC: H01L33/06 ,  H01L33/50 ,  H01L51/56 ,  H01L51/52 ,  H01L51/50 ,  H01L33/42 ,  H01L33/58

    CPC classification number: H01L33/06 ,  H01L27/322 ,  H01L31/035218 ,  H01L33/04 ,  H01L33/42 ,  H01L33/50 ,  H01L33/507 ,  H01L33/58 ,  H01L33/60 ,  H01L51/5036 ,  H01L51/5088 ,  H01L51/5268 ,  H01L51/56 ,  H01L2251/5369 ,  H05B33/145 ,  Y10S977/774

    Abstract: A component including a substrate, at least one layer including a color conversion material comprising quantum dots disposed over the substrate, and a layer comprising a conductive material (e.g., indium-tin-oxide) disposed over the at least one layer. (Embodiments of such component are also referred to herein as a QD light-enhancement substrate (QD-LES).) In certain preferred embodiments, the substrate is transparent to light, for example, visible light, ultraviolet light, and/or infrared radiation. In certain embodiments, the substrate is flexible. In certain embodiments, the substrate includes an outcoupling element (e.g., a microlens array). A film including a color conversion material comprising quantum dots and a conductive material is also provided. In certain embodiments, a component includes a film described herein. Lighting devices are also provided. In certain embodiments, a lighting device includes a film described herein. In certain embodiments, a lighting device includes a component described herein.

    Abstract translation: 包括衬底的组件，包括设置在衬底上的包括量子点的颜色转换材料的至少一个层以及设置在至少一个层上的导电材料（例如，氧化铟锡）的层。 （这种组件的实施例在本文中也称为QD光增强基板（QD-LES）。）在某些优选实施例中，基板对光是透明的，例如可见光，紫外光和/或红外辐射 。 在某些实施方案中，基底是柔性的。 在某些实施例中，衬底包括外耦合元件（例如，微透镜阵列）。 还提供了包括包括量子点和导电材料的颜色转换材料的膜。 在某些实施方案中，组分包括本文所述的膜。 还提供照明设备。 在某些实施例中，照明装置包括本文所述的膜。 在某些实施例中，照明装置包括本文所述的部件。

    LIGHT EMITTING DEVICE INCLUDING TANDEM STRUCTURE
    36.
    发明申请
    LIGHT EMITTING DEVICE INCLUDING TANDEM STRUCTURE 有权
    发光装置，包括TANDEM结构

    公开(公告)号：US20160079316A1

    公开(公告)日：2016-03-17

    申请号：US14644668

    申请日：2015-03-11

    Applicant: QD VISION, INC.

    Inventor： ZHAOQUN ZHOU ,  PETER T. KAZLAS

    IPC: H01L27/32 ,  H01L51/50 ,  H01L33/06

    CPC classification number: H01L27/3225 ,  H01L33/06 ,  H01L51/502 ,  H01L51/5044 ,  H01L51/5056 ,  H01L51/5088 ,  H01L51/5278 ,  H01L2251/5369

    Abstract: A light emitting device comprising: a pair of electrodes; two or more light emitting elements disposed between the electrodes in a stacked arrangement, wherein a light emitting element comprises a layer comprising an emissive material; and a charge generation element disposed between adjacent light emitting elements in the stacked arrangement, the charge generation element comprising a first layer comprising an inorganic n-type semiconductor material, and a second layer comprising a hole injection material. A charge generation element is also disclosed.

    Abstract translation: 1.一种发光器件，包括：一对电极; 两个或多个发光元件以堆叠方式设置在电极之间，其中发光元件包括包含发光材料的层; 以及电荷产生元件，其布置在所述堆叠布置中的相邻发光元件之间，所述电荷产生元件包括包含无机n型半导体材料的第一层和包含空穴注入材料的第二层。 还公开了电荷产生元件。

    APPARATUS AND METHOD FOR MODULATING PHOTON OUTPUT OF A QUANTUM DOT LIGHT EMITTING DEVICE
    37.
    发明申请
    APPARATUS AND METHOD FOR MODULATING PHOTON OUTPUT OF A QUANTUM DOT LIGHT EMITTING DEVICE 有权

    公开(公告)号：US20160072025A1

    公开(公告)日：2016-03-10

    申请号：US14853331

    申请日：2015-09-14

    Applicant: QD VISION, INC.

    Inventor： Andrew F. SKIPOR ,  Jerzy WIELGUS

    IPC: H01L33/50 ,  H01L33/14

    CPC classification number: H01L33/502 ,  B82Y20/00 ,  G02B26/02 ,  H01L27/3209 ,  H01L33/00 ,  H01L33/0004 ,  H01L33/14 ,  H01L51/5012 ,  H01L51/52 ,  H01L2933/0083 ,  Y10S977/774 ,  Y10S977/95

    Abstract: An apparatus is provided for modulating the photon output of a plurality of free standing quantum dots. The apparatus comprises a first electron injection layer (210, 310, 410) disposed between a first electrode (212, 312, 412) and a layer (208, 308, 408) of the plurality of free standing quantum dots. A hole transport layer (206, 306, 406) is disposed between the layer (208, 308, 408) of the plurality of quantum dots and a second electrode (204, 304, 404). A light source (224, 324, 424) is disposed so as to apply light to the layer (208, 308, 408) of the plurality of free standing quantum dots. The photon output of the layer (208, 308, 408) of the plurality of free standing quantum dots is modulated by applying a voltage to the first and second electrodes (212, 312, 412, 204, 304, 404). Electrons excited to a higher energy state within layer (208, 308, 408) of the free standing quantum dots by the light source (224, 324, 424) are prevented from returning to a lower state by electrons from the electric field of the applied voltage, and therefore the free standing quantum dots are prevented from emitting a photon. The voltage source (216, 316, 416) may be modulated to vary the photon output.

    Method for preparing semiconductor nanocrystals
    38.
    发明授权
    Method for preparing semiconductor nanocrystals 有权
    制备半导体纳米晶体的方法

    公开(公告)号：US09263710B2

    公开(公告)日：2016-02-16

    申请号：US14461070

    申请日：2014-08-15

    Applicant: QD VISION, INC.

    Inventor： Craig A. Breen ,  Mayank Puri

    IPC: H01L21/02 ,  B82Y40/00 ,  H01L51/56

    CPC classification number: H01L51/56 ,  B82Y40/00 ,  H01L21/02469 ,  H01L21/02513 ,  H01L21/02551 ,  H01L21/02601 ,  H01L21/02628

    Abstract: A method for preparing semiconductor nanocrystals including a core and an overcoating layer is disclosed. According to one aspect of the invention, the method comprises preparing more than one batch of cores comprising a first semiconductor material and having a maximum emission peak within a predetermined spectral region, wherein each batch of cores is characterized by a first excitonic absorption peak at an absorption wavelength and a maximum emission peak at an emission wavelength; selecting a batch of cores from the batches prepared wherein the selected batch is characterized by a difference between the absorption wavelength and the emission wavelength that is less than or equal to 13; and overcoating the cores of the selected batch with a layer comprising a second semiconductor material.

    Abstract translation: 公开了一种制备包括芯和外涂层的半导体纳米晶体的方法。 根据本发明的一个方面，该方法包括制备包括第一半导体材料并且在预定光谱区内具有最大发射峰值的多于一批的核心，其中每批核心的特征在于第一激子吸收峰在 吸收波长和发射波长处的最大发射峰; 从制备的批次中选择一批核心，其中所选批次的特征在于吸收波长和发射波长之间的差小于或等于13; 以及用包括第二半导体材料的层覆盖所选批次的芯。

    OPTICAL FILM AND LIGHTING AND DISPLAY PRODUCTS INCLUDING SAME
    39.
    发明申请
    OPTICAL FILM AND LIGHTING AND DISPLAY PRODUCTS INCLUDING SAME 审中-公开
    光学膜和照明和显示产品，包括它们

    公开(公告)号：US20150338567A1

    公开(公告)日：2015-11-26

    申请号：US14718771

    申请日：2015-05-21

    Applicant: QD VISION, INC.

    Inventor： MATTHEW STEVENSON ,  JOHN R. LINTON ,  KARTHIK VENKATARAMAN

    IPC: F21V8/00 ,  F21K99/00

    CPC classification number: G02B6/0051 ,  B82Y20/00 ,  Y10S977/774

    Abstract: An optical film includes a transparent substrate, an optical material comprising quantum dots disposed over a surface of the substrate, and a light diffusion film disposed over the optical material, the light diffusion film including a transparent support and a diffusion layer formed over the transparent support, the light diffusion film being positioned such that the transparent support is between the optical material and the diffusion layer, the light diffusion film having a back to front haze value of at least 80% and a total back to front light transmission value of at least 50%. Other layers can optionally be included in the optical film. A backlight unit and display including the optical film taught herein are also disclosed.

    Abstract translation: 光学膜包括透明基板，包括设置在基板的表面上的量子点的光学材料和设置在光学材料上的光漫射膜，所述光扩散膜包括透明支撑体和形成在透明支撑体上的扩散层 所述光扩散膜的位置使得所述透明支撑体位于所述光学材料和所述扩散层之间，所述光扩散膜具有至少80％的背面雾度值和至少80％的总反射光透射值 50％。 其他层可以可选地包括在光学膜中。 还公开了包括本文教导的光学膜的背光单元和显示器。

    LIGHTING DEVICES, AN OPTICAL COMPONENT FOR A LIGHTING DEVICE, AND METHODS
    40.
    发明申请
    LIGHTING DEVICES, AN OPTICAL COMPONENT FOR A LIGHTING DEVICE, AND METHODS 有权
    照明装置，用于照明装置的光学部件及方法

    公开(公告)号：US20150287890A1

    公开(公告)日：2015-10-08

    申请号：US14644810

    申请日：2015-03-11

    Applicant: QD VISION, INC.

    Inventor： John R. Linton ,  Emily M. Squires ,  Rohit Modi

    IPC: H01L33/50 ,  H01L33/58

    CPC classification number: H01L33/50 ,  C09K11/025 ,  C09K11/883 ,  H01L33/504 ,  H01L33/58 ,  H05B33/14 ,  Y02B20/181

    Abstract: A white-light emitting lighting device comprising one or more light emitting light sources (preferably solid state semiconductor light emitting diodes) that emit off-white light during operation, wherein the off-white light includes a spectral output including at least one spectral component in a first spectral region from about 360 nm to about 475 nm, at least one spectral component in a second spectral region from about 475 nm to about 575 nm, and at least one deficiency in at least one other spectral region, and an optical component that is positioned to receive at least a portion of the off-white light generated by the one or more light sources, the optical component comprising an optical material for converting at least a portion of the off-white light to one or more predetermined wavelengths, at least one of which has a wavelength in at least one deficient spectral region, such that light emitted by the lighting device comprises white light, wherein the optical material comprises quantum confined semiconductor nanoparticles. Also disclosed is an optical component, lighting fixture, a cover plate for a lighting fixture, and methods.

    Abstract translation: 一种白光发射照明装置，包括在操作期间发出灰白色光的一个或多个发光光源（优选固态半导体发光二极管），其中所述灰白色光包括光谱输出，所述光谱输出包括至少一个光谱分量 约360nm至约475nm的第一光谱区域，在约475nm至约575nm的第二光谱区域中的至少一个光谱分量和至少一个其它光谱区域中的至少一个缺陷，以及光学部件， 被定位成接收由一个或多个光源产生的灰白色光的至少一部分，光学部件包括用于将灰白色光的至少一部分转换成一个或多个预定波长的光学材料，在 其中至少一个在至少一个不足的光谱区域中具有波长，使得由照明装置发射的光包括白光，其中光学材料包括 量子限制半导体纳米粒子。 还公开了一种光学部件，照明器具，照明器具的盖板以及方法。

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