公开(公告)号：US08585927B2

公开(公告)日：2013-11-19

申请号：US11992403

申请日：2006-09-21

申请人： Masanori Ando ,  Norio Murase ,  Chunliang Li ,  Ping Yang

发明人： Masanori Ando ,  Norio Murase ,  Chunliang Li ,  Ping Yang

IPC分类号： C09K11/08

CPC分类号： C09K11/883 ,  C09K11/02 ,  C09K11/565 ,  G01N21/6489 ,  G01N2021/6439

摘要： The present invention provides semiconductor-nanoparticle-dispersed small silica glass particles that emit bright fluorescent light with high fluorescence quantum yield and high density, compared to the conventional semiconductor-nanoparticle-dispersed small glass particles, and that have excellent fluorescence intensity stability over time; and a process for preparing the same. The semiconductor-nanoparticle-dispersed silica glass particles have a mean particle size of not less than 10 nanometers and not more than 5 micrometers, and contain a hydrolyzed alkoxide and semiconductor nanoparticles at a concentration of not less than 2×10−5 mol/l and not more than 1×10−2 mol/l. The particles emit fluorescent light with a fluorescence quantum yield (quantum yield) of 25% or more (and 60% or more), when dispersed in a solution.

摘要翻译： 本发明提供与传统的半导体纳米颗粒分散的小玻璃微粒相比发射具有高荧光量子产率和高密度的明亮荧光的半导体纳米颗粒分散小二氧化硅玻璃颗粒，并且随时间具有优异的荧光强度稳定性; 及其制备方法。 半导体纳米颗粒分散石英玻璃颗粒的平均粒度不小于10纳米且不大于5微米，并且含有浓度不小于2×10 -5摩尔/升的水解醇盐和半导体纳米颗粒 不超过1×10-2 mol / l。 当分散在溶液中时，粒子发射荧光量子产率（量子产率）为25％以上（和60％以上）的荧光。

公开(公告)号：US20100252778A1

公开(公告)日：2010-10-07

申请号：US12675924

申请日：2008-07-25

申请人： Norio Murase ,  Ping Yang ,  Masanori Ando

发明人： Norio Murase ,  Ping Yang ,  Masanori Ando

IPC分类号： C09K11/54 ,  B05D3/02

CPC分类号： C09K11/883

摘要： An object of the present invention is to reduce the incompleteness of the surface state due to lattice constant and steric hindrance, which was heretofore nearly unavoidable, in the surface treatment of light-emitting semiconductor nanoparticles. The present invention provides an excellent luminescent material that has enhanced photoluminescence efficiency, reduced photoluminescence spectrum width, and increased chemical resistance. Specifically, the present invention provides a luminescent material comprising semiconductor nanoparticles having a mean particle size of 2 to 12 nm and a band gap of 3.8 eV or less, each of the semiconductor nanoparticles being coated with a silicon-containing layer, the semiconductor nanoparticles in the luminescent material having a peak emission wavelength 20 nm or more towards the longer-wavelength side than the peak emission wavelength of the semiconductor nanoparticles alone.

摘要翻译： 本发明的目的在于减少发光半导体纳米粒子的表面处理中由于晶格常数和空间位阻而导致的表面状态的不完全性，这在以前几乎是不可避免的。 本发明提供了具有增强的光致发光效率，降低的光致发光光谱宽度和增加的耐化学性的优异的发光材料。 具体地说，本发明提供一种发光材料，其包含平均粒度为2〜12nm，带隙为3.8eV以下的半导体纳米粒子，各半导体纳米粒子均涂覆有含硅层，半导体纳米粒子 所述发光材料的峰值发射波长比仅在半导体纳米颗粒的峰值发射波长长的波长侧为20nm以上。

公开(公告)号：US20120301971A1

公开(公告)日：2012-11-29

申请号：US13518966

申请日：2010-12-17

申请人： Norio Murase ,  Ping Yang ,  Masanori Ando

发明人： Norio Murase ,  Ping Yang ,  Masanori Ando

IPC分类号： G01N21/64 ,  B82Y15/00

CPC分类号： C09K11/025 ,  C09K11/565 ,  C09K11/883 ,  H01L33/0083 ,  Y10S977/774 ,  Y10S977/779 ,  Y10S977/824

摘要： An object of the present invention is to prepare a fine particle with high durability and high brightness, in which semiconductor nanoparticles are assembled. The present invention provides fluorescent fine particles comprising Cd- and Se-containing semiconductor nanoparticles dispersed in silicon-containing fine particles, wherein the average particle size of the silicon-containing fine particles is 20 to 100 nm, and the number of semiconductor nanoparticles dispersed in the silicon-containing fine particles is 10 or more.

摘要翻译： 本发明的目的是制备其中组装半导体纳米颗粒的具有高耐久性和高亮度的细颗粒。 本发明提供了含有分散在含硅微粒中的含有Cd和Se的半导体纳米颗粒的荧光细粒，其中，含硅微粒的平均粒径为20〜100nm，分散在半导体纳米粒子 含硅微粒为10个以上。

公开(公告)号：US20090108235A1

公开(公告)日：2009-04-30

申请号：US11992403

申请日：2006-09-21

申请人： Masanori Ando ,  Norio Murase ,  Chunliang Li ,  Ping Yang

发明人： Masanori Ando ,  Norio Murase ,  Chunliang Li ,  Ping Yang

IPC分类号： C09K11/56 ,  C09K11/54 ,  B05D5/06 ,  G01J3/30 ,  C09K11/06 ,  C09K11/08

CPC分类号： C09K11/883 ,  C09K11/02 ,  C09K11/565 ,  G01N21/6489 ,  G01N2021/6439

摘要： The present invention provides semiconductor-nanoparticle-dispersed small silica glass particles that emit bright fluorescent light with high fluorescence quantum yield and high density, compared to the conventional semiconductor-nanoparticle-dispersed small glass particles, and that have excellent fluorescence intensity stability over time; and a process for preparing the same. The semiconductor-nanoparticle-dispersed silica glass particles have a mean particle size of not less than 10 nanometers and not more than 5 micrometers, and contain a hydrolyzed alkoxide and semiconductor nanoparticles at a concentration of not less than 2×10−5 mol/l and not more than 1×10−2 mol/l. The particles emit fluorescent light with a fluorescence quantum yield (quantum yield) of 25% or more (and 60% or more), when dispersed in a solution.

摘要翻译： 本发明提供与传统的半导体纳米颗粒分散的小玻璃微粒相比发射具有高荧光量子产率和高密度的明亮荧光的半导体纳米颗粒分散小二氧化硅玻璃颗粒，并且随时间具有优异的荧光强度稳定性; 及其制备方法。 半导体纳米颗粒分散石英玻璃颗粒的平均粒度不小于10纳米且不大于5微米，并且含有浓度不小于2×10 -5 mol / l的水解的醇盐和半导体纳米颗粒，而不是 大于1×10 -2 mol / l。 当分散在溶液中时，粒子发射荧光量子产率（量子产率）为25％以上（和60％以上）的荧光。

公开(公告)号：US08025816B2

公开(公告)日：2011-09-27

申请号：US10518216

申请日：2003-05-06

申请人： Norio Murase ,  Masanori Ando

发明人： Norio Murase ,  Masanori Ando

IPC分类号： C09K11/02 ,  C09K11/08 ,  C09K11/56 ,  C09K11/54

CPC分类号： C03C14/00 ,  C09K11/02 ,  C09K11/883 ,  Y10T428/25 ,  Y10T428/31663

摘要： This invention provides a novel phosphor material that has better brightness than conventional phosphors using dispersed rare earth ions, and that possesses excellent light resistance, temporal stability, and the like, and a light-emitting device with high brightness comprising such phosphor material and an excitation ultraviolet light source corresponding to the properties thereof. A phosphor comprising a silicon-containing solid matrix and semiconductor superfine particles dispersed therein at a concentration of 5×10−4 to 1×10−2 mol/L, said semiconductor superfine particles having a fluorescence quantum yield of 3% or greater and a diameter of 1.5 to 5 nm, and a light-emitting device including said phosphor and a light source for excitation light with an intensity of 3 to 800 W/cm2.

摘要翻译： 本发明提供了一种新颖的荧光体材料，其具有比使用分散的稀土离子的常规荧光体更好的亮度，并且具有优异的耐光性，时间稳定性等，以及包含这种荧光体材料和激发的具有高亮度的发光器件 对应于其特性的紫外光源。 一种包含以5×10 -4〜1×10 -2 mol / L的浓度分散在其中的含硅固体基质和半导体超微粒子的荧光体，所述半导体超微粒子的荧光量子收率为3％以上， 以及包含所述荧光体的发光装置和强度为3〜800W / cm 2的激发光的光源。

公开(公告)号：US08221651B2

公开(公告)日：2012-07-17

申请号：US12427138

申请日：2009-04-21

申请人： Norio Murase ,  Chunliang Li ,  Masanori Ando

发明人： Norio Murase ,  Chunliang Li ,  Masanori Ando

IPC分类号： C09K11/08

CPC分类号： C09K11/70 ,  B82Y30/00 ,  C09K11/02 ,  C09K11/565 ,  C23C18/122 ,  C23C18/1254 ,  C23C18/14 ,  Y10S977/778 ,  Y10S977/815 ,  Y10S977/816 ,  Y10S977/818 ,  Y10S977/819 ,  Y10S977/82 ,  Y10S977/826 ,  Y10S977/834 ,  Y10T428/268

摘要： Nanoparticles having a core/shell structure consisting of a core comprising a Group III element and a Group V element at a molar ratio of the Group III element to the Group V element in the range of 1.25 to 3.0, and a shell comprising a Group II element and a Group VI element and having a thickness of 0.2 nm to 4 nm, the nanoparticles having a photoluminescence efficiency of 10% or more and a diameter of 2.5 to 10 nm; a method of producing the water-dispersible nanoparticles and a method of producing a glass matrix having the nanoparticles dispersed therein.

摘要翻译： 具有由包含III族元素和V族元素的芯构成的核/壳结构的纳米颗粒与III族元素与V族元素的摩尔比在1.25至3.0的范围内，以及包含II族的壳 元素和VI族元素，并且具有0.2nm至4nm的厚度，所述纳米颗粒的光致发光效率为10％以上，直径为2.5〜10nm; 水分散性纳米粒子的制造方法以及分散有纳米粒子的玻璃基体的制造方法。

公开(公告)号：US20060097624A1

公开(公告)日：2006-05-11

申请号：US10518216

申请日：2003-05-06

申请人： Norio Murase ,  Masanori Ando

发明人： Norio Murase ,  Masanori Ando

IPC分类号： C03C14/00 ,  B05D5/06 ,  B32B9/04

CPC分类号： C03C14/00 ,  C09K11/02 ,  C09K11/883 ,  Y10T428/25 ,  Y10T428/31663

摘要： This invention provides a novel phosphor material that has better brightness than conventional phosphors using dispersed rare earth ions, and that possesses excellent light resistance, temporal stability, and the like, and a light-emitting device with high brightness comprising such phosphor material and an excitation ultraviolet light source corresponding to the properties thereof. A phosphor comprising a silicon-containing solid matrix and semiconductor superfine particles dispersed therein at a concentration of 5×10−4 to 1×10−2 mol/L, said semiconductor superfine particles having a fluorescence quantum yield of 3% or greater and a diameter of 1.5 to 5 nm, and a light-emitting device including said phosphor and a light source for excitation light with an intensity of 3 to 800 W/cm2.

摘要翻译： 本发明提供了一种新颖的荧光体材料，其具有比使用分散的稀土离子的常规荧光体更好的亮度，并且具有优异的耐光性，时间稳定性等，以及包含这种荧光体材料和激发的具有高亮度的发光器件 对应于其特性的紫外光源。 一种包含以5×10 -4至1×10 -2 mol / L的浓度分散在其中的含硅固体基质和半导体超细颗粒的磷光体，所述半导体超细颗粒具有 荧光量子产率为3％以上，直径为1.5〜5nm的发光装置，以及包含所述荧光体的发光装置和强度为3〜800W / cm 2的激发光的光源 >。

公开(公告)号：US07824767B2

公开(公告)日：2010-11-02

申请号：US11885886

申请日：2006-03-02

申请人： Norio Murase ,  Ping Yang

发明人： Norio Murase ,  Ping Yang

IPC分类号： B32B5/16

CPC分类号： C09K11/08 ,  Y10S977/778 ,  Y10T428/25 ,  Y10T428/256 ,  Y10T428/261

摘要： The present invention provides a thin-film fluorescent material in which semiconductor nanoparticles in a stable condition maintain a high fluorescence quantum yield and can be held at a high concentration in a glass matrix. The present invention also provides optical devices using the thin-film fluorescent material, such as high-brightness displays and lighting systems. The present invention relates to a fluorescent material, in which semiconductor nanoparticles with a fluorescence quantum yield of 15% or more and a diameter of 2 to 5 nanometers are dispersed in a glass matrix at a concentration of 5×10−4 mol/l or more and a method for manufacturing the same.

摘要翻译： 本发明提供一种薄膜荧光材料，其中稳定状态下的半导体纳米颗粒保持高荧光量子产率，并且可以在玻璃基质中保持高浓度。 本发明还提供了使用诸如高亮度显示器和照明系统的薄膜荧光材料的光学器件。 本发明涉及一种荧光材料，其中荧光量子产率为15％以上，直径为2〜5nm的半导体纳米粒子以5×10 -4 mol / l的浓度分散在玻璃基质中，或 更多和其制造方法。

公开(公告)号：US20080213558A1

公开(公告)日：2008-09-04

申请号：US11885886

申请日：2006-03-02

申请人： Norio Murase ,  Ping Yang

发明人： Norio Murase ,  Ping Yang

IPC分类号： B32B5/16 ,  B32B17/00 ,  D06L3/12

CPC分类号： C09K11/08 ,  Y10S977/778 ,  Y10T428/25 ,  Y10T428/256 ,  Y10T428/261

摘要： The present invention provides a thin-film fluorescent material in which semiconductor nanoparticles in a stable condition maintain a high fluorescence quantum yield and can be held at a high concentration in a glass matrix. The present invention also provides optical devices using the thin-film fluorescent material, such as high-brightness displays and lighting systems. The present invention relates to a fluorescent material, in which semiconductor nanoparticles with a fluorescence quantum yield of 15% or more and a diameter of 2 to 5 nanometers are dispersed in a glass matrix at a concentration of 5×10−4 mol/l or more and a method for manufacturing the same.

摘要翻译： 本发明提供一种薄膜荧光材料，其中稳定状态下的半导体纳米颗粒保持高荧光量子产率，并且可以在玻璃基质中保持高浓度。 本发明还提供了使用诸如高亮度显示器和照明系统的薄膜荧光材料的光学器件。 本发明涉及一种荧光材料，其中荧光量子产率为15％以上，直径为2〜5nm的半导体纳米颗粒以5×10 -4的浓度分散在玻璃基质中 > mol / l以上及其制造方法。

公开(公告)号：US20070075294A1

公开(公告)日：2007-04-05

申请号：US10543185

申请日：2004-01-23

申请人： Norio Murase ,  Chunliang Li

发明人： Norio Murase ,  Chunliang Li

IPC分类号： C09K11/08

CPC分类号： C09K11/02 ,  C09K11/883 ,  G02F1/133617

摘要： The present invention provides a novel fluorescent material which has a luminance higher than that of the conventional rare earth ion-dispersed fluorescent materials and is excellent in light resistance and long-term stability, and also an optical device, such as a high-luminance display panel or lighting equipment, which uses such a fluorescent material. Semiconductor ultrafine particles are characterized by maintaining 50% or more fluorescence quantum yield of photoluminescence when they are kept dispersed in water at 10° C. to 20° C. in air for 5 days. The fluorescent material is obtained by dispersing such semiconductor ultrafine particles in a glass matrix using a sol-gel process.

摘要翻译： 本发明提供了一种新颖的荧光材料，其亮度高于常规稀土离子分散荧光材料，并且具有优异的耐光性和长期稳定性，并且还提供了诸如高亮度显示器 面板或照明设备，其使用这种荧光材料。 半导体超细颗粒的特征在于当将其在10℃至20℃的水中分散在空气中5天时，保持50％或更多的荧光量子产率的光致发光。 通过使用溶胶 - 凝胶法将这种半导体超细颗粒分散在玻璃基质中来获得荧光材料。