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公开(公告)号：US10329428B2
公开(公告)日：2019-06-25
申请号：US15525391
申请日：2015-11-04
IPC分类号： B33Y70/00 , B33Y10/00 , C03C3/097 , C08F2/44 , C08K3/40 , G03F7/027 , C08L101/12 , C03C3/087 , G03F7/00 , C03C3/078 , C03C3/089 , C03C3/091 , C03C3/093 , C03C3/095 , C03C3/118 , G03F7/004 , G03F7/038 , B29C64/135
摘要： Provided is a resin composition for three-dimensional modeling to which inorganic filler particles of a sufficient amount can be added, without damaging transparency. The resin composition for three-dimensional modeling includes a curable resin and inorganic filler particles, in which the inorganic filler particles are light-transmitting particles of which a difference in refractive index nd to the curable resin after curing is ±0.02 or less, and a difference in Abbe number vd to the curable resin after curing is ±10 or less.
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公开(公告)号：US11530798B2
公开(公告)日：2022-12-20
申请号：US17437075
申请日：2020-04-06
发明人： Shotaro Fukumoto , Shunsuke Fujita
IPC分类号： C09K5/14 , F21V9/30 , C09K11/02 , C09K11/77 , F21Y115/30
摘要： The purpose is to provide a wavelength conversion member, a method for manufacturing the wavelength conversion member, and a light-emitting device, which are capable of reducing the temperature rise of the wavelength conversion member and thus reducing the decrease in luminescence intensity with time and deformation and discoloration of constituent materials. A wavelength conversion member 10 includes a matrix 1 and phosphor particles 3 dispersed in the matrix 1, wherein the matrix 1 is formed of a porous oxide body 2 having an average pore diameter of 50 μm or less.
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公开(公告)号：US10365553B1
公开(公告)日：2019-07-30
申请号：US16361275
申请日：2019-03-22
发明人： Tamio Ando , Tadahito Furuyama , Shunsuke Fujita
IPC分类号： G03B21/14 , H04N9/31 , G03B21/20 , G02B26/00 , B32B15/20 , G02B27/14 , B32B17/06 , B32B7/12 , B32B9/00 , B32B37/06 , B32B5/16 , B32B37/12 , G02B1/11 , B32B38/00
摘要： Provided is a luminescent wheel for a projector, which has a novel structure in which a phosphor layer is hard to break even if its thickness is reduced; a manufacturing method therefor; and a light emitting device for a projector. A luminescent wheel for a projector includes: a phosphor layer (11) which has a first principal surface (11a) and a second principal surface (11b) located on an opposite side to the first principal surface (11a) and is capable of being excited by the entry of excitation light to emit fluorescence; a first glass layer (12) provided on the first principal surface (11a) of the phosphor layer (11); and a second glass layer (13) provided on the second principal surface (11b) of the phosphor layer (11).
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公开(公告)号：US10047285B2
公开(公告)日：2018-08-14
申请号：US15311535
申请日：2015-05-08
发明人： Naoki Fujita , Tamio Ando , Masaru Iwao , Tadahito Furuyama , Shunsuke Fujita , Hiroyuki Shimizu , Masaaki Kadomi
IPC分类号： F21V23/02 , C09K11/08 , C09K5/14 , C09K11/02 , H01L33/64 , H01L33/50 , H01L33/60 , F21K9/64 , F21V9/16 , F21V9/30 , F21Y115/30
摘要： Provided is a wavelength conversion member capable of reducing the decrease in luminescence intensity with time and the melting of a component material when irradiated with light of a high-power LED or LD and providing a light emitting device using the wavelength conversion member. The wavelength conversion member (11) includes a laminate that includes: a phosphor layer (1); and light-transmissive heat dissipation layers (2) formed on both surfaces of the phosphor layer (1) and having a higher thermal conductivity than the phosphor layer (1).
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公开(公告)号：US09733557B2
公开(公告)日：2017-08-15
申请号：US15028069
申请日：2014-10-21
发明人： Tadahito Furuyama , Tamio Ando , Shunsuke Fujita
CPC分类号： G03B21/204 , F21V29/502 , G02B5/0808 , G02B26/008 , G03B21/16 , H04N9/3114 , H04N9/3144 , H04N9/3158
摘要： Provided is a fluorescent wheel for a projector capable of suppressing the heating of the phosphor layer and a light emitting device for a projector using the same. The fluorescent wheel for a projector includes: a phosphor layer (12); an annular ceramic substrate (11) which includes a first principal surface provided with the phosphor layer (12) and a second principal surface located on an opposite side to the first principal surface and has a higher thermal conductivity than the phosphor layer (12); and a reflective layer (13) provided on the second principal surface of the ceramic substrate (11).
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公开(公告)号：US11655415B2
公开(公告)日：2023-05-23
申请号：US16605510
申请日：2018-06-04
发明人： Tamio Ando , Tadahito Furuyama , Shunsuke Fujita
IPC分类号： C09K11/02 , C09K11/62 , C09K11/64 , C01F5/02 , C01F7/02 , C01G9/02 , C03C3/16 , C03C3/247 , C03C14/00 , C09K11/70 , C09K11/74 , C09K11/75 , C09K11/88 , H01L33/50 , B82Y20/00
CPC分类号： C09K11/025 , C01F5/02 , C01F7/02 , C01G9/02 , C03C3/16 , C03C3/247 , C03C14/004 , C09K11/62 , C09K11/64 , C09K11/70 , C09K11/7492 , C09K11/75 , C09K11/883 , H01L33/504 , B82Y20/00 , C01P2004/10 , C01P2004/32 , C01P2004/61
摘要： Provided are nanophosphor-attached inorganic particles that can suppress the degradation of the nanophosphor when sealed in glass, and a wavelength conversion member using the nanophosphor-attached inorganic particles. The nanophosphor-attached inorganic particle 10 include: inorganic particles 1 having an average particle diameter of 1 μm or more; and a nanophosphor 2 attached to surfaces of the inorganic particles 1.
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公开(公告)号：US10338458B2
公开(公告)日：2019-07-02
申请号：US15101461
申请日：2014-12-16
发明人： Tamio Ando , Tadahito Furuyama , Shunsuke Fujita
IPC分类号： G03B21/14 , H04N9/31 , G03B21/20 , G02B26/00 , B32B17/06 , B32B37/06 , B32B37/12 , G02B27/14 , B32B5/16 , B32B7/12 , B32B9/00 , B32B15/20 , B32B38/00 , G02B1/11
摘要： Provided is a luminescent wheel for a projector, which has a novel structure in which a phosphor layer is hard to break even if its thickness is reduced; a manufacturing method therefor; and a light emitting device for a projector. A luminescent wheel for a projector includes: a phosphor layer (11) which has a first principal surface (11a) and a second principal surface (11b) located on an opposite side to the first principal surface (11a) and is capable of being excited by the entry of excitation light to emit fluorescence; a first glass layer (12) provided on the first principal surface (11a) of the phosphor layer (11); and a second glass layer (13) provided on the second principal surface (11b) of the phosphor layer (11).
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公开(公告)号：US12068439B2
公开(公告)日：2024-08-20
申请号：US17767130
申请日：2020-12-22
发明人： Shotaro Fukumoto , Shunsuke Fujita
IPC分类号： H01L33/50
CPC分类号： H01L33/502
摘要： Provided are a wavelength conversion member, a light-emitting element, and a light-emitting device which have high heat dissipation capability and are capable of reducing the decrease in luminescence intensity caused by increased output of an excitation light source. A wavelength conversion member 10 includes a matrix 2 and an inorganic phosphor 1 contained in the matrix 2 and has a relative density of 90% or more, a thermal conductivity of 10 W/m·K or more, and a quantum efficiency of 50% or more.
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公开(公告)号：US10580944B2
公开(公告)日：2020-03-03
申请号：US16335691
申请日：2017-09-20
发明人： Tadahito Furuyama , Shunsuke Fujita
摘要： Provided is a wavelength conversion member that can increase the light extraction efficiency to improve the luminous efficiency. A wavelength conversion member 10 includes: a phosphor layer 1 containing a glass matrix and inorganic phosphor powder dispersed in the glass matrix; a glass layer 2 disposed on a surface of the phosphor layer 1 and having a refractive index equal to or smaller than a refractive index of the inorganic phosphor powder; and a microscopically uneven layer 3 disposed on a surface of the glass layer 2 and having a refractive index equal to or smaller than the refractive index of the glass layer 2.
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10.发明授权公开(公告)号：US10267963B2
公开(公告)日：2019-04-23
申请号：US15763873
申请日：2016-11-29
发明人： Naoki Fujita , Tadahito Furuyama , Shunsuke Fujita
摘要： Provided are a wavelength conversion member and a wavelength conversion element which are capable of reducing the decrease in luminescence intensity with time and the melting of a component material when irradiated with light of a high-power LED or LD, and a light emitting apparatus using the wavelength conversion member or the wavelength conversion element. A wavelength conversion member contains, in % by mass, 70 to 99.9% inorganic phosphor particles and 0.1 to 30% easily sinterable ceramic particles, wherein the easily sinterable ceramic particles are interposed between the inorganic phosphor particles and the inorganic phosphor particles are bound together by the easily sinterable ceramic particles.
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