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公开(公告)号：US20190330528A1
公开(公告)日：2019-10-31
申请号：US16504937
申请日：2019-07-08
Applicant: NICHIA CORPORATION
Inventor： Motoharu MORIKAWA , Shoji HOSOKAWA , Takashi KAIDE , Kenichi AOYAGI
Abstract: A method for producing β-sialon fluorescent material having excellent emission intensity is provided. The method for producing β-sialon fluorescent material includes providing a composition comprising silicon nitride that contains aluminium, an oxygen atom, and europium, heat treating the composition, contacting the heat-treated composition with a basic substance, and washing the composition, which has been contacted with the basic substance, with an acidic liquid medium.
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2.发明申请PHOSPHOR, LIGHT-EMITTING APPARATUS INCLUDING THE SAME, AND PHOSPHOR PRODUCTION METHOD 有权磷光体，包括其的发光装置和磷生产方法公开(公告)号：US20140321099A1
公开(公告)日：2014-10-30
申请号：US14261691
申请日：2014-04-25
Applicant: NICHIA CORPORATION
Inventor： Takashi KAIDE , Shoji HOSOKAWA
CPC classification number: H01L33/502 , C09K11/7792 , H01L2224/48091 , H01L2224/48247 , H01L2224/48257 , Y10T428/2982 , H01L2924/00014
Abstract: A phosphor is provided which is represented by the general formula MxCeySi6−zBzN8+w. M is at least one element selected from the group consisting of La, Y, Tb and Lu. And w, x, y, and z satisfy 2.0
Abstract translation: 提供了由通式MxCeySi6-zBzN8 + w表示的荧光体。 M是选自La，Y，Tb和Lu中的至少一种元素。 而w，x，y和z分别满足2.0
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公开(公告)号：US20210095202A1
公开(公告)日：2021-04-01
申请号：US17033576
申请日：2020-09-25
Applicant: NICHIA CORPORATION
Inventor： Kenichi AOYAGI , Takashi KAIDE , Yuya TAKAHASHI , Shoji HOSOKAWA
Abstract: Provided a method of producing a β-sialon fluorescent material having excellent emission intensity. The method includes providing a first composition containing aluminum, an oxygen atom, and a europium-containing silicon nitride, heat treating the first composition, contacting the heat-treated composition and a basic substance to obtain a second composition, and contacting the second composition resulting from contacting the heat-treated composition with the basic substance and an acidic liquid medium containing an acidic substance.
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公开(公告)号：US20200185575A1
公开(公告)日：2020-06-11
申请号：US16793018
申请日：2020-02-18
Applicant: NICHIA CORPORATION
Inventor： Kenichi AOYAGI , Takashi KAIDE , Takuya NAKABAYASHI , Tetsuya ISHIKAWA , Shoji HOSOKAWA
Abstract: A wavelength converting member comprising a first wavelength converting layer containing: a first fluorescent material having a light emission peak wavelength in a range of 620 nm or more and 660 nm or less; a second fluorescent material having a light emission peak wavelength in a range of 510 nm or more and 560 nm or less; and a resin, wherein the average particle diameter, as measured according to a Fisher Sub-Sieve Sizer method, of the first fluorescent material is in a range of 2 μm or more and 30 μm or less, wherein the second fluorescent material comprises a β-SiAlON fluorescent material, the circularity of the β-SiAlON fluorescent material is 0.7 or more, and the volume average particle diameter, as measured according to a laser diffraction scattering particle size distribution measuring method, of the β-SiAlON fluorescent material is in a range of 2 μm or more and 30 μm or less, and wherein the thickness of the first wavelength converting layer is in a range of 50 μm or more and 200 μm or less.
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公开(公告)号：US20160355731A1
公开(公告)日：2016-12-08
申请号：US15172862
申请日：2016-06-03
Applicant: NICHIA CORPORATION
Inventor： Kenichi AOYAGI , Takashi KAIDE , Motoharu MORIKAWA , Shoji HOSOKAWA
IPC: C09K11/77
CPC classification number: C09K11/7734
Abstract: A method for producing a β-sialon fluorescent material is provided. The method includes heat-treating a mixture containing an aluminium compound, a first europium compound, and silicon nitride to obtain a first heat-treated product; and heat-treating the first heat-treated product with a second europium compound in a rare gas atmosphere to obtain a second heat-treated product.
Abstract translation: 提供了β-赛隆荧光材料的制造方法。 该方法包括对含有铝化合物，第一铕化合物和氮化硅的混合物进行热处理以获得第一热处理产物; 在稀有气体气氛中用第二铕化合物对第一热处理物进行热处理，得到第二热处理物。
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Patent Agency Ranking
公开(公告)号：US20160347999A1
公开(公告)日：2016-12-01
申请号：US15165580
申请日：2016-05-26
Applicant: NICHIA CORPORATION
Inventor： Motoharu MORIKAWA , Kenichi AOYAGI , Takashi KAIDE , Shoji HOSOKAWA
IPC: C09K11/77
CPC classification number: C09K11/7734
Abstract: A method for producing a β-sialon fluorescent material superior in light emitting luminance is provided. The method includes heat-treating a first mixture containing an aluminum compound, a europium compound, and a first silicon oxynitride compound to obtain a first heat-treated product, and heat-treating a second mixture containing the first heat-treated product, an aluminum compound, a europium compound, and a second silicon oxynitride compound, which has a larger oxygen content than the first silicon oxynitride compound, to obtain a second heat-treated product.
Abstract translation: 提供了一种制造发光亮度优异的β-赛隆荧光体的方法。 该方法包括热处理包含铝化合物，铕化合物和第一氮氧化硅化合物的第一混合物以获得第一热处理产物，并且热处理含有第一热处理产物的第二混合物，铝 化合物，铕化合物和第二氮氧化硅化合物，其具有比第一氮氧化硅化合物更大的氧含量，以获得第二热处理产物。
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7.发明申请PHOSPHOR, LIGHT-EMITTING APPARATUS INCLUDING THE SAME, AND PHOSPHOR PRODUCTION METHOD 审中-公开磷光体，包括其的发光装置和磷生产方法公开(公告)号：US20160247980A1
公开(公告)日：2016-08-25
申请号：US15148054
申请日：2016-05-06
Applicant: NICHIA CORPORATION
Inventor： Takashi KAIDE , Shoji HOSOKAWA
CPC classification number: H01L33/502 , C09K11/7766 , C09K11/7774 , H01L2224/48091 , H01L2224/48247 , H01L2224/48257 , H01L2924/00014
Abstract: A phosphor, which is represented by the general formula containing M, Ce, Pr, Si, and N, is provided. M is at least one element selected from the group consisting of La, Y, Tb and Lu. A molar ratio of M is greater than 2.0 and smaller than 3.5. A molar ratio of Ce is greater than 0 and smaller than 1.0. A molar ratio of Pr is greater than 0 and smaller than 0.05. A molar ratio of N is greater than 10 and smaller than 12, under the condition that a molar ratio of Si is set to 6. The phosphor further contains 10 to 10,000 ppm of fluorine.
Abstract translation: 提供由含有M，Ce，Pr，Si和N的通式表示的荧光体。 M是选自La，Y，Tb和Lu中的至少一种元素。 M的摩尔比大于2.0且小于3.5。 Ce的摩尔比大于0且小于1.0。 Pr的摩尔比大于0且小于0.05。 在Si的摩尔比设定为6的条件下，N的摩尔比大于10且小于12。荧光体还含有10至10,000ppm的氟。
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公开(公告)号：US20250101302A1
公开(公告)日：2025-03-27
申请号：US18894198
申请日：2024-09-24
Applicant: NICHIA CORPORATION
Inventor： Yuya TAKAHASHI , Takashi KAIDE , Hiroyuki WATANABE
Abstract: A β-SiAlON fluorescent material includes fluorescent material particles having a composition represented by the following formula (I), and a coating layer formed on the surface of the fluorescent material particles and having a refractive index smaller than that of the fluorescent material particles, wherein when the β-SiAlON fluorescent material is measured by inductively coupled plasma-atomic emission spectroscopy, an amount of the coating layer is 0.4% by mass or more relative to a total amount of the fluorescent material particles and the coating layer being 100% by mass: Si6-zAlzOzN8-z:Euy (I), wherein y and z satisfy 0
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公开(公告)号：US20170037311A1
公开(公告)日：2017-02-09
申请号：US15228109
申请日：2016-08-04
Applicant: NICHIA CORPORATION
Inventor： Shoji HOSOKAWA , Motoharu MORIKAWA , Tadayoshi YANAGIHARA , Kenichi AOYAGI , Takashi KAIDE
CPC classification number: C09K11/7734 , C09K11/0883
Abstract: A method for producing a β-sialon fluorescent material can be provided. The method includes preparing a composition containing silicon nitride that contains aluminium, an oxygen atom, and europium, heat-treating the composition in a rare gas atmosphere or in a vacuum, and contacting the heat-treated composition with a gas containing elemental fluorine.
Abstract translation: 可以提供β-赛隆荧光体的制造方法。 该方法包括制备含有铝，氧原子和铕的氮化硅的组合物，在稀有气体气氛或真空中对组合物进行热处理，并使热处理组合物与含有元素氟的气体接触。
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10.发明申请FLUORESCENT MATERIAL AND LIGHT EMITTING DEVICE USING SAME AND METHOD FOR MANUFACTURING FLUORESCENT MATERIAL 审中-公开使用其的荧光材料和发光装置以及制造荧光材料的方法公开(公告)号：US20160009991A1
公开(公告)日：2016-01-14
申请号：US14793056
申请日：2015-07-07
Applicant: NICHIA CORPORATION
Inventor： Takashi KAIDE , Shoji HOSOKAWA
CPC classification number: C09K11/7774 , C09K11/0883 , H01L33/502 , H01L2224/32245 , H01L2224/48091 , H01L2224/48257 , H01L2224/73265 , H01L2924/181 , H01L2924/00012 , H01L2924/00
Abstract: A fluorescent material is provided that has improved luminance and can generate fluorescence by excitation light in wider wavelength range. A fluorescent material represented by a general formula LaxCeySi6N8+x+y, wherein 2.0≦x≦3.5, 0
Abstract translation: 提供了具有改善的亮度的荧光材料，并且可以通过在较宽波长范围内的激发光产生荧光。 由通式LaxCeySi6N8 + x + y表示的荧光材料，其中2.0和nlE; x和nlE; 3.5,0
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