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公开(公告)号：US20110147663A1
公开(公告)日：2011-06-23
申请号：US13057168
申请日：2009-07-30
申请人： Yoshihisa Tsuji , Kazuma Inoue , Jun Takai , Hideharu Iwasaki
发明人： Yoshihisa Tsuji , Kazuma Inoue , Jun Takai , Hideharu Iwasaki
IPC分类号： C09K11/56
CPC分类号： C09K11/625 , C09K11/876 , H05B33/14
摘要： The present invention provides a method for producing a zinc sulfide based phosphor by firing a zinc sulfide based phosphor precursor, comprising at least: a first firing step of firing a mixture containing a zinc sulfide based phosphor precursor, sulfur, and a chlorine-containing flux; and a second firing step of further firing the fired product obtained from the first firing step, wherein the first firing step comprises: heating the mixture in an atmosphere wherein an air stream is introduced so that a temperature of the mixture is increased from normal temperature to a transformation temperature at which a crystal system of the phosphor precursor is transformed; when a temperature of the mixture is increased above the transformation temperature, switching the atmosphere to a nitrogen atmosphere and continuing the heating of the mixture; and when the temperature of the mixture reaches a temperature in a range of 1000° C. to 1200° C., inclusive, maintaining the temperature of the mixture at a constant level and thereafter rapidly quenching the mixture and washing the mixture to obtain a fired product; and wherein the second firing step comprises heating in the nitrogen atmosphere the fired product obtained from the first firing step so that the temperature of the fired product is increased from normal temperature to a temperature in a range of 650° C. to 1000° C., inclusive; and when a temperature of the fired product reaches the temperature in the range of 650° C. to 1000° C., inclusive, introducing oxygen while maintaining the temperature of the fired product and thereafter rapidly quenching the fired product and washing the fired product to obtain a zinc sulfide based phosphor. Use of the method of the present invention makes it possible to provide a zinc sulfide based phosphor material suitable for use in the production of an EL device that shows high brightness.
摘要翻译： 本发明提供了一种通过焙烧硫化锌系荧光体前体来制造硫化锌系荧光体的方法，该方法至少包括：将含有硫化锌系荧光体前体，硫和含氯助熔剂的混合物进行烧成的第一烧成工序 ; 以及第二烧成工序，对从所述第一烧成工序得到的烧成品进一步进行烧成，其中，所述第一烧成工序包括：在导入空气流的气氛中加热所述混合物，使得所述混合物的温度从常温升高到 改变荧光体前体的晶体体系的相变温度; 当混合物的温度升高到转化温度以上时，将气氛切换至氮气氛并继续加热混合物; 并且当混合物的温度达到1000℃至1200℃的范围内的温度时，将混合物的温度保持在恒定水平，然后快速骤冷混合物并洗涤该混合物以获得烧制 产品; 并且其中所述第二烧制步骤包括在所述氮气气氛中加热从所述第一烧制步骤获得的烧制产品，使得所述烧制产品的温度从常温升高至650℃至1000℃的温度。 ， 包括的; 并且当烧制品的温度达到650℃至1000℃的温度时，在保持烧制产品的温度的同时引入氧气，然后迅速骤冷烧制产品并将烧制产品洗涤至 得到硫化锌系荧光体。 通过使用本发明的方法，可以提供一种适用于制造高亮度的EL器件的硫化锌系荧光体材料。
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公开(公告)号：US08337722B2
公开(公告)日：2012-12-25
申请号：US13057168
申请日：2009-07-30
申请人： Yoshihisa Tsuji , Kazuma Inoue , Jun Takai , Hideharu Iwasaki
发明人： Yoshihisa Tsuji , Kazuma Inoue , Jun Takai , Hideharu Iwasaki
CPC分类号： C09K11/625 , C09K11/876 , H05B33/14
摘要： The present invention provides a method for producing a zinc sulfide based phosphor by firing a zinc sulfide based precursor, comprising at least: a first firing step and a second firing step. Use of the method of the present invention makes it possible to provide a zinc sulfide based phosphor material suitable in the production of an EL device that shows high brightness.
摘要翻译： 本发明提供了一种通过焙烧硫化锌基前体制备硫化锌基荧光体的方法，其至少包括：第一烧制步骤和第二烧制步骤。 通过使用本发明的方法，可以提供适合于制造高亮度的EL器件的硫化锌系荧光体材料。
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公开(公告)号：US20100032628A1
公开(公告)日：2010-02-11
申请号：US12530796
申请日：2008-04-08
申请人： Jun Takai , Yoshihisa Tsuji , Hideharu Iwasaki
发明人： Jun Takai , Yoshihisa Tsuji , Hideharu Iwasaki
IPC分类号： C09K11/08
CPC分类号： C09K11/87 , C09K2211/185
摘要： An iridium-containing group II-VI compound phosphor capable of efficiently emitting light without any economical problems or problems in energy efficiency or color purity is provided. A method for producing the phosphor is also provided. The phosphor comprises iridium and a group II-VI compound semiconductor, and the iridium is uniformly dispersed in surfaces of phosphor particles and in an inside of the phosphor particles. The method for producing the iridium-containing phosphor comprises firing an inorganic composition containing a group II-VI compound semiconductor and an iridium compound, and an iridium complex salt is used as the iridium compound.
摘要翻译： 提供了能够有效发光而不会有任何经济问题或能量效率或色纯度问题的含有铱的II-VI族化合物荧光体。 还提供了制造荧光体的方法。 荧光体包括铱和II-VI族化合物半导体，铱均匀地分散在荧光体粒子的表面和荧光体粒子的内部。 制备含铱荧光体的方法包括烧制含有II-VI族化合物半导体和铱化合物的无机组合物，并且使用铱配合盐作为铱化合物。
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4.发明授权公开(公告)号：US08088353B2
公开(公告)日：2012-01-03
申请号：US12742940
申请日：2008-11-11
申请人： Jun Takai , Yoshihisa Tsuji , Hideharu Iwasaki
发明人： Jun Takai , Yoshihisa Tsuji , Hideharu Iwasaki
CPC分类号： C01G15/006 , C01B17/20 , C01G9/00 , C01G9/08 , C01G11/00 , C01G11/02 , C01G45/006 , C01G55/002 , C01P2002/52 , C01P2004/03 , C01P2004/51 , C01P2004/62 , C09C1/00 , C09K11/565
摘要： A process for producing a Group II metal sulfide phosphor precursor, comprising adding to an organic solvent an aqueous solution containing at least one of a Group II element compound, a sulfurizing agent, and a compound containing any of copper, silver, manganese, gold, and rare-earth elements to obtain a reaction mixture, heating the reaction mixture to produce an azeotrope of the water and the organic solvent, and removing water from the reaction mixture to produce a desired Group II metal sulfide in the reaction mixture, wherein the removal of water from the reaction mixture occurs by recovering only the water condensed from a vapor produced by the azeotropic distillation.
摘要翻译： 一种制备II族金属硫化物荧光体前体的方法，包括向有机溶剂中加入含有II族元素化合物，硫化剂和含有铜，银，锰，金， 和稀土元素以获得反应混合物，加热反应混合物以产生水和有机溶剂的共沸物，并从反应混合物中除去水以在反应混合物中产生所需的II族金属硫化物，其中除去 来自反应混合物的水通过仅回收由共沸蒸馏产生的蒸气冷凝的水而发生。
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公开(公告)号：US08206617B2
公开(公告)日：2012-06-26
申请号：US12530796
申请日：2008-04-08
申请人： Jun Takai , Yoshihisa Tsuji , Hideharu Iwasaki
发明人： Jun Takai , Yoshihisa Tsuji , Hideharu Iwasaki
CPC分类号： C09K11/87 , C09K2211/185
摘要： An iridium-containing group II-VI compound phosphor capable of efficiently emitting light without any economical problems or problems in energy efficiency or color purity is provided. A method for producing the phosphor is also provided. The phosphor comprises iridium and a group II-VI compound semiconductor, and the iridium is uniformly dispersed in surfaces of phosphor particles and in an inside of the phosphor particles. The method for producing the iridium-containing phosphor comprises firing an inorganic composition containing a group II-VI compound semiconductor and an iridium compound, and an iridium complex salt is used as the iridium compound.
摘要翻译： 提供了能够有效发光而不会有任何经济问题或能量效率或色纯度问题的含有铱的II-VI族化合物荧光体。 还提供了制造荧光体的方法。 荧光体包括铱和II-VI族化合物半导体，并且铱均匀地分散在荧光体颗粒的表面和荧光体颗粒的内部。 制备含铱荧光体的方法包括烧制含有II-VI族化合物半导体和铱化合物的无机组合物，并且使用铱配合盐作为铱化合物。
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6.发明申请公开(公告)号：US20100260662A1
公开(公告)日：2010-10-14
申请号：US12742940
申请日：2008-11-11
申请人： Jun Takai , Yoshihisa Tsuji , Hideharu Iwasaki
发明人： Jun Takai , Yoshihisa Tsuji , Hideharu Iwasaki
CPC分类号： C01G15/006 , C01B17/20 , C01G9/00 , C01G9/08 , C01G11/00 , C01G11/02 , C01G45/006 , C01G55/002 , C01P2002/52 , C01P2004/03 , C01P2004/51 , C01P2004/62 , C09C1/00 , C09K11/565
摘要： The process of the invention is provided to achieve uniform doping of an activator metal into phosphor particles and to improve efficiency of utlization of a metal element to be used in the production of a Group II metal sulfide phosphor and a precursor thereof. Specifically, the object of the invention is achieved by a process for producing a Group II metal sulfide phosphor precursor, comprising adding to an organic solvent an aqueous solution containing at least one of a Group II element compound, a sulfurizing agent, and a compound containing any of copper, silver, manganese, gold, and rare-earth elements to obtain a reaction mixture, heating the reaction mixture to produce an azeotrope of the water and the organic solvent, and removing the water from the reaction mixture to produce a desired Group II metal sulfide in the reaction mixture, wherein the removal of the water from the reaction mixture is carried out by recovering only the water condensed from a vapor produced by the azeotropic distillation.
摘要翻译： 提供本发明的方法以实现活化剂金属均匀地掺入磷光体颗粒中并提高用于生产第II族金属硫化物荧光体及其前体的金属元素的利用效率。 具体地说，本发明的目的是通过一种制备第II族金属硫化物荧光体前体的方法实现的，包括向有机溶剂中加入含有II族元素化合物，硫化剂和含有 铜，银，锰，金和稀土元素中的任何一种，以获得反应混合物，加热反应混合物以产生水和有机溶剂的共沸物，并从反应混合物中除去水以产生所需的组 II金属硫化物，其中从反应混合物中除去水通过仅回收由共沸蒸馏产生的蒸气冷凝的水来进行。
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公开(公告)号：US08668843B2
公开(公告)日：2014-03-11
申请号：US12593307
申请日：2008-02-29
申请人： Kikuo Okuyama , Akihiro Yabuki , Ferry Iskandar , Takashi Ogi , Jun Takai , Hideharu Iwasaki
发明人： Kikuo Okuyama , Akihiro Yabuki , Ferry Iskandar , Takashi Ogi , Jun Takai , Hideharu Iwasaki
IPC分类号： C09K11/08
CPC分类号： C09K11/0883 , C09K11/65 , H01J61/44 , H01L33/502 , H05B33/145
摘要： An M-C—N—O based phosphor including a group IIIB element (M), carbon (C), nitrogen (O), wherein an amount of the group IIIB element (M) contained is 1%
摘要翻译： 含有IIIB族元素（M），碳（C），氮（O）的MCNO系荧光体，其中，所含的IIIB族元素（M）的含量为1质量％（M）<50质量％ 的碳（C）的含量为0.005％（C）<10质量％，氮（N）的含量为1质量％（N）<60质量％，氧（O）的含量为1 ％（O）<75质量％，（M）+（C）+（N）+（O）= 100质量％。 可以通过调节发射光谱的峰顶来改变M-C-N-O基荧光体的颜色。 还提供了高度环境相容的聚合物分散体，无机EL器件，发光器件，荧光管等，其使用基于M-C-N-O的荧光体。
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公开(公告)号：US08652358B2
公开(公告)日：2014-02-18
申请号：US13262388
申请日：2010-03-31
申请人： Kikuo Okuyama , Ferry Iskandar , Yutaka Kaihatsu , Jun Takai , Hideharu Iwasaki
发明人： Kikuo Okuyama , Ferry Iskandar , Yutaka Kaihatsu , Jun Takai , Hideharu Iwasaki
CPC分类号： C09K11/655
摘要： The present invention provides an Al—C—O based phosphor using neither heavy metal nor rare metal and composed of elements with high environmental compatibility and excellent economic efficiency, wherein the wavelength of the peak intensity of the emission spectrum can be changed without changing the basic composition. An aluminum oxide phosphor which comprises aluminum (Al), carbon (C), and oxygen (O) respectively in an amount of 30 mol %
摘要翻译： 本发明提供一种既不含重金属也不是稀有金属，且由环境相容性高，经济效益高的元素构成的Al-C-O系荧光体，其发光光谱的峰值强度的波长可以在不改变基本组成的情况下进行改变。 分别含有30摩尔％
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公开(公告)号：US20120018675A1
公开(公告)日：2012-01-26
申请号：US13262388
申请日：2010-03-31
申请人： Kikuo Okuyama , Ferry Iskandar , Yutaka Kaihatsu , Jun Takai , Hideharu Iwasaki
发明人： Kikuo Okuyama , Ferry Iskandar , Yutaka Kaihatsu , Jun Takai , Hideharu Iwasaki
CPC分类号： C09K11/655
摘要： The present invention provides an Al—C—O based phosphor using neither heavy metal nor rare metal and composed of elements with high environmental compatibility and excellent economic efficiency, wherein the wavelength of the peak intensity of the emission spectrum can be changed without changing the basic composition. An aluminum oxide phosphor which comprises aluminum (Al), carbon (C), and oxygen (O) respectively in an amount of 30 mol %
摘要翻译： 本发明提供一种不含重金属和稀有金属的Al-C-O系荧光体，由具有高环境兼容性和优异的经济效率的元素组成，其中可以改变发射光谱的峰值强度的波长而不改变碱性 组成。 分别含有30摩尔％
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公开(公告)号：US20100109508A1
公开(公告)日：2010-05-06
申请号：US12593307
申请日：2008-02-29
申请人： Kikuo Okuyama , Akihiro Yabuki , Ferry Iskandar , Takashi Ogi , Jun Takai , Hideharu Iwasaki
发明人： Kikuo Okuyama , Akihiro Yabuki , Ferry Iskandar , Takashi Ogi , Jun Takai , Hideharu Iwasaki
CPC分类号： C09K11/0883 , C09K11/65 , H01J61/44 , H01L33/502 , H05B33/145
摘要： M-C—N—O based phosphors having high emission intensity are provided without using heavy metals, rare metals, and special activator agents. Colors of the M-C—N—O based phosphors can be changed by adjusting a peak top of an emission spectrum. Highly environmentally-compatible polymer dispersions, inorganic EL devices, light emitting devices, fluorescent tubes, and the like are also provided, which use the M-C—N—O based phosphors.The M-C—N—O based phosphors of the present invention comprise a group IIIB element (M), carbon (C), nitrogen (N), and oxygen (O). Colors are changed by changing an amount of carbon (C) contained in the M-C—N—O based phosphors. The polymer dispersions, inorganic EL devices, light emitting devices, and fluorescent tubes are produced using the M-C—N—O based phosphors.
摘要翻译： 提供具有高发射强度的M-C-N-O系荧光体，而不使用重金属，稀有金属和特殊的活化剂。 可以通过调节发射光谱的峰顶来改变M-C-N-O类磷光体的颜色。 还提供了高度环境相容的聚合物分散体，无机EL器件，发光器件，荧光管等，其使用基于M-C-N-O的荧光体。 本发明的M-C-N-O系荧光体包含IIIB族元素（M），碳（C），氮（N）和氧（O）。 通过改变M-C-N-O系荧光体中所含的碳（C）的量来改变颜色。 使用M-C-N-O类磷光体制造聚合物分散体，无机EL器件，发光器件和荧光管。
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