公开(公告)号：US07452485B2

公开(公告)日：2008-11-18

申请号：US11212263

申请日：2005-08-26

申请人： Hideki Hoshino ,  Kazuyoshi Goan ,  Kazuya Tsukada ,  Naoko Furusawa ,  Hisatake Okada

发明人： Hideki Hoshino ,  Kazuyoshi Goan ,  Kazuya Tsukada ,  Naoko Furusawa ,  Hisatake Okada

IPC分类号： H01J11/02 ,  C09K11/59 ,  C09K11/54 ,  C09K11/02

CPC分类号： C09K11/595 ,  C09K11/7734 ,  C09K11/7797 ,  H01J11/12 ,  H01J11/42

摘要： Disclosed are a phosphor in which prevention of aging deterioration of luminance and prevention of deterioration of discharging characteristics are compatible, a method of manufacturing the phosphor, and a plasma display panel manufactured by using the phosphor. A phosphor of the invention containing Mn as an activator is one with Mn serving as a major emission, wherein a ratio of an activator concentration in a superficial portion of a phosphor particle to an activator concentration inside the phosphor particle is 0.3-0.7.

摘要翻译： 公开了防止亮度老化劣化和防止放电特性劣化的荧光体，荧光体的制造方法和使用荧光体制造的等离子体显示面板。 含有Mn作为活化剂的本发明的荧光体是以Mn作为主要发光物质的荧光体，其中荧光体颗粒的表面部分中的活化剂浓度与荧光体颗粒内的活化剂浓度的比例为0.3-0.7。

公开(公告)号：US20080251763A1

公开(公告)日：2008-10-16

申请号：US11909969

申请日：2006-03-15

申请人： Hisatake Okada ,  Kazuyoshi Goan ,  Kazuya Tsukada ,  Naoko Furusawa ,  Hideki Hoshino

发明人： Hisatake Okada ,  Kazuyoshi Goan ,  Kazuya Tsukada ,  Naoko Furusawa ,  Hideki Hoshino

IPC分类号： C09K11/59

CPC分类号： C09K11/595

摘要： Disclosed is a method of preparing a phosphor which exhibits superior optical characteristics and improved resistance to deterioration, comprising the steps of subjecting a phosphor precursor obtained by a liquid phase process to a first calcination under an oxygen-containing atmosphere at a prescribed temperature and then subjecting the calcined phosphor precursor to a second calcination at a temperature lower than the temperature of the first calcination.

摘要翻译： 公开了一种制备荧光体的方法，其具有优异的光学特性和改善的耐劣化性，包括以下步骤：在含氧气氛下在规定温度下对通过液相法获得的荧光体前体进行第一次煅烧， 煅烧的荧光体前体在低于第一次煅烧温度的温度下进行第二次煅烧。

公开(公告)号：US20070212541A1

公开(公告)日：2007-09-13

申请号：US11712665

申请日：2007-03-01

申请人： Kazuya Tsukada ,  Kazuyoshi Goan ,  Naoko Furusawa ,  Hisatake Okada ,  Hideki Hoshino

发明人： Kazuya Tsukada ,  Kazuyoshi Goan ,  Naoko Furusawa ,  Hisatake Okada ,  Hideki Hoshino

IPC分类号： C09K11/08

CPC分类号： C09K11/663 ,  C09K11/02 ,  C09K11/574 ,  C09K11/584 ,  C09K11/595 ,  C09K11/642 ,  C09K11/662 ,  C09K11/665 ,  C09K11/7706 ,  C09K11/7727 ,  C09K11/7734 ,  C09K11/7736 ,  C09K11/7737 ,  C09K11/774 ,  C09K11/7741 ,  C09K11/777 ,  C09K11/7771 ,  C09K11/7774 ,  C09K11/778 ,  C09K11/7784 ,  C09K11/7786 ,  C09K11/7787 ,  C09K11/7789 ,  C09K11/7792 ,  C09K11/7794 ,  C09K11/7797 ,  Y10T428/2991

摘要： An objective is to provide a core/shell type particle phosphor exhibiting an optimal excitation wavelength for fluorescence observation and excellent emission luminance of PL, together with excellent durability, to which particles are produced so as to be suitable for the field of bio-nanotechnology. Disclosed is a core/shell type particle phosphor comprising a core particle phosphor and coated thereon, a shell made of a metal compound having a different composition from a composition constituting the core particle phosphor, wherein the core particle phosphor is a particle phosphor prepared by baking a precursor synthesized via a reactive crystallization method, satisfying a PL (photoluminescence) intensity ratio A of the core particle phosphor to the core/shell type particle phosphor, {PL intensity(core)/PL intensity(core/shell)}; 0.001≦A≦0.1, and a core/shell type particle diameter of at most 0.1 μm.

摘要翻译： 目的是提供一种显示用于荧光观察的最佳激发波长的核/壳型粒子荧光体，并且PL的出色亮度优异，同时具有出色的耐久性，可以生产出适合于生物纳米技术领域的粒子。 公开了一种包含芯颗粒磷光体并涂覆在其上的核/壳型颗粒磷光体，由与构成芯颗粒磷光体的组成不同的组成的金属化合物制成的壳，其中核心颗粒磷光体是通过烘焙制备的颗粒磷光体 通过反应结晶法合成的前体，满足核心粒子荧光体的PL（光致发光）强度比A与核/壳型粒子荧光体{PL强度（核心）/ PL强度（核/壳））}。 0.001 <= A <= 0.1，核/壳型粒径为0.1μm以下。

公开(公告)号：US08110407B2

公开(公告)日：2012-02-07

申请号：US12440421

申请日：2007-08-22

申请人： Kazuya Tsukada ,  Hisatake Okada ,  Hideki Hoshino

发明人： Kazuya Tsukada ,  Hisatake Okada ,  Hideki Hoshino

IPC分类号： G01N33/543 ,  G01N21/76

CPC分类号： G01N33/588 ,  B82Y15/00 ,  G01N21/6489 ,  G01N33/533 ,  G01N2021/6441 ,  Y10T436/101666

摘要： Disclosed is a fluorescent semiconductor microparticle assembly comprising at least three kinds of fluorescent semiconductor microparticles with an average particle size of from 1 to 10 nm, having the same chemical composition, a different average particle size and a different emission maximum wavelength in the emission spectra, wherein a standard deviation of emission intensity in each of the at least three kinds of fluorescent semiconductor microparticles is not more than 15%.

摘要翻译： 公开了一种荧光半导体微粒组件，其包含平均粒径为1〜10nm的至少三种荧光半导体微粒，其发光光谱中具有相同的化学组成，不同的平均粒径和不同的发射最大波长， 其中，所述至少3种荧光半导体微粒的发光强度的标准偏差为15％以下。

公开(公告)号：US20090014688A1

公开(公告)日：2009-01-15

申请号：US12087936

申请日：2007-01-16

申请人： Hideki Hoshino ,  Kazuya Tsukada ,  Hisatake Okada

发明人： Hideki Hoshino ,  Kazuya Tsukada ,  Hisatake Okada

IPC分类号： C09K11/02

CPC分类号： C01B33/023 ,  B82Y30/00

摘要： A process for the production of semiconductor nanoparticles which realizes both uniform crystallite size and high crystallinity with the agglomeration thereof inhibited. This process is characterized by comprising the step (a) of generating nano-size particles from a semiconductor raw material and dispersing the particles in a gas phase, the step (b) of heat-treating the particles while keeping the particles in a state dispersed in the gas phase, and the step (c) of collecting the heat-treated particles immediately after the heat treatment with a solution of a surface modifier for modifying the surfaces of the particles.

摘要翻译： 制造半导体纳米颗粒的方法，其实现均匀的微晶尺寸和高结晶度，其聚集被抑制。 该方法的特征在于包括从半导体原料产生纳米尺寸颗粒并将颗粒分散在气相中的步骤（a），在保持颗粒处于分散状态的同时热处理颗粒的步骤（b） 在气相中的步骤（c），并且用热处理后的热处理颗粒用用于改性颗粒表面的表面改性剂的溶液收集步骤（c）。

公开(公告)号：US20100041017A1

公开(公告)日：2010-02-18

申请号：US12440421

申请日：2007-08-22

申请人： Kazuya Tsukada ,  Hisatake Okada ,  Hideki Hoshino

发明人： Kazuya Tsukada ,  Hisatake Okada ,  Hideki Hoshino

IPC分类号： C12Q1/02 ,  C09K11/54 ,  C12Q1/70

CPC分类号： G01N33/588 ,  B82Y15/00 ,  G01N21/6489 ,  G01N33/533 ,  G01N2021/6441 ,  Y10T436/101666

摘要： Disclosed is a fluorescent semiconductor microparticle assembly comprising at least three kinds of fluorescent semiconductor microparticles with an average particle size of from 1 to 10 nm, having the same chemical composition, a different average particle size and a different emission maximum wavelength in the emission spectra, wherein a standard deviation of emission intensity in each of the at least three kinds of fluorescent semiconductor microparticles is not more than 15%.

摘要翻译： 公开了一种荧光半导体微粒组件，其包含平均粒径为1〜10nm的至少三种荧光半导体微粒，其发光光谱中具有相同的化学组成，不同的平均粒径和不同的发射最大波长， 其中，所述至少3种荧光半导体微粒的发光强度的标准偏差为15％以下。

公开(公告)号：US20060049740A1

公开(公告)日：2006-03-09

申请号：US11212263

申请日：2005-08-26

申请人： Hideki Hoshino ,  Kazuyoshi Goan ,  Kazuya Tsukada ,  Naoko Furusawa ,  Hisatake Okada

发明人： Hideki Hoshino ,  Kazuyoshi Goan ,  Kazuya Tsukada ,  Naoko Furusawa ,  Hisatake Okada

IPC分类号： H01J17/49

CPC分类号： C09K11/595 ,  C09K11/7734 ,  C09K11/7797 ,  H01J11/12 ,  H01J11/42

摘要： Disclosed are a phosphor in which prevention of aging deterioration of luminance and prevention of deterioration of discharging characteristics are compatible, a method of manufacturing the phosphor, and a plasma display panel manufactured by using the phosphor. A phosphor of the invention containing Mn as an activator is one with Mn serving as a major emission, wherein a ratio of an activator concentration in a superficial portion of a phosphor particle to an activator concentration inside the phosphor particle is 0.3-0.7.

摘要翻译： 公开了防止亮度老化劣化和防止放电特性劣化的荧光体，荧光体的制造方法和使用荧光体制造的等离子体显示面板。 含有Mn作为活化剂的本发明的荧光体是以Mn作为主要发光物质的荧光体，其中荧光体颗粒的表面部分中的活化剂浓度与荧光体颗粒内的活化剂浓度的比例为0.3-0.7。

公开(公告)号：US20090053522A1

公开(公告)日：2009-02-26

申请号：US12162164

申请日：2006-11-27

申请人： Mitsuru Sekiguchi ,  Kazuya Tsukada ,  Hisatake Okada

发明人： Mitsuru Sekiguchi ,  Kazuya Tsukada ,  Hisatake Okada

IPC分类号： B32B5/00 ,  B32B5/16

CPC分类号： C09K11/7442 ,  B22F1/0025 ,  B82Y30/00 ,  C01B21/0632 ,  C01G15/00 ,  C01G28/02 ,  C01G30/002 ,  C01P2002/84 ,  C01P2004/16 ,  C01P2004/30 ,  C01P2004/64 ,  C01P2004/84 ,  C01P2006/40 ,  C09K11/62 ,  C22C1/0491 ,  Y10S977/774 ,  Y10S977/813 ,  Y10S977/815 ,  Y10S977/825 ,  Y10S977/832 ,  Y10T428/24942 ,  Y10T428/2933 ,  Y10T428/2991

摘要： A semiconductor nanoparticle and semiconductor nanorod that have optical characteristics (luminescence intensity and emission lifetime) superior to those of conventional core/shell nanosized semiconductors. There are provided a triple-layer semiconductor nanoparticle, and triple-layer semiconductor nanorod, having an average particle diameter of 2 to 50 nm and comprising a core layer, an interlayer and a shell layer, wherein the layers are composed of different crystals, and wherein the crystal constructing the shell layer exhibits a band gap greater than that of the crystal constructing the core layer, and wherein the crystal constructing the interlayer has a lattice constant assuming a value between those of the crystal constructing the core layer and the crystal constructing the shell layer.

摘要翻译： 具有优于常规核/壳纳米尺寸半导体的光学特性（发光强度和发光寿命）的半导体纳米颗粒和半导体纳米棒。 提供平均粒径为2〜50nm的三层半导体纳米颗粒和三层半导体纳米棒，其包含芯层，中间层和壳层，其中层由不同的晶体构成，并且 其中，构成壳层的晶体的表面带隙大于构成芯层的晶体的带隙，构成中间层的晶体的晶体晶格常数为假定构成芯层的晶体的构成晶格常数与构成芯层的晶体的晶格常数 壳层。

公开(公告)号：US07431867B2

公开(公告)日：2008-10-07

申请号：US11624287

申请日：2007-01-18

申请人： Hisatake Okada ,  Kazuya Tsukada ,  Naoko Furusawa

发明人： Hisatake Okada ,  Kazuya Tsukada ,  Naoko Furusawa

IPC分类号： H01B1/00 ,  H01B1/12

CPC分类号： C30B29/60 ,  B82Y20/00 ,  B82Y30/00 ,  C30B7/14 ,  C30B29/06 ,  C30B29/08 ,  C30B29/40 ,  C30B29/48

摘要： Nanosized semiconductor particles of a core/shell structure is disclosed, wherein the particles each comprise a core and a shell and exhibit an average particle size of not more than 100 nm and a coefficient of variation in core size distribution of not more than 30%.

摘要翻译： 公开了核/壳结构的纳米化半导体颗粒，其中颗粒各自包含芯和壳，并且具有不大于100nm的平均粒度，并且芯尺寸分布的变异系数不大于30％。

公开(公告)号：US20100044673A1

公开(公告)日：2010-02-25

申请号：US12531092

申请日：2008-03-26

申请人： Kazuya Tsukada ,  Kazuyoshi Goan ,  Hisatake Okada

发明人： Kazuya Tsukada ,  Kazuyoshi Goan ,  Hisatake Okada

IPC分类号： H01L33/00 ,  G01N33/58 ,  C09K11/08

CPC分类号： C09K9/02 ,  B82Y30/00 ,  G01N21/64 ,  G01N33/587 ,  Y10T428/2991

摘要： A labeling fluorescent compound which enables highly stable detection in vital labeling and has high sensitivity. The labeling fluorescent compound is characterized by being composed of inorganic fluorescent nanoparticles which have a surface modification compound disposed on the surface thereof and have an average particle diameter of 1.0-20 nm. It is further characterized in that the proportion of the length of the surface modification compound as measured from the surface of the inorganic fluorescent nanoparticles to the particle diameter of the inorganic fluorescent nanoparticles is from 0.10 to 0.50, and that the proportion of the specific gravity of the inorganic fluorescent nanoparticles having the surface modification compound fixed thereto to the specific gravity of the inorganic fluorescent nanoparticles not having the surface modification compound is from 0.80 to 0.40.

摘要翻译： 标记荧光化合物，能够在生物标记中进行高度稳定的检测并具有高灵敏度。 标记荧光化合物的特征在于由其表面上设置有平均粒径为1.0〜20nm的表面改性化合物的无机荧光纳米粒子构成。 其特征在于，从无机荧光纳米粒子的表面测定的表面改性化合物的长度与无机荧光纳米粒子的粒径的比例为0.10〜0.50，并且比重 具有固定有表面改性化合物的无机荧光纳米颗粒的比重为不具有表面改性化合物的无机荧光纳米粒子的比重为0.80〜0.40。