公开(公告)号：US10557614B2

公开(公告)日：2020-02-11

申请号：US15539724

申请日：2016-01-22

申请人： NIPPON ELECTRIC GLASS CO., LTD.

发明人： Tadahito Furuyama

IPC分类号： F21V9/32 ,  F21V9/30 ,  F21V9/40 ,  C04B41/85 ,  F21V7/22 ,  G03B21/20 ,  G03B21/00 ,  G02B26/00 ,  G03B21/16 ,  H04N9/31 ,  H01L33/64 ,  H01L33/50 ,  H01S5/00

摘要： A wheel-shaped wavelength conversion member includes a first porous ceramic layer having a porosity of at least 20% by volume, a phosphor layer formed on a first principal surface of the first porous ceramic layer, a ceramic heat dissipation layer having a porosity of 20% or less by volume provided on a second principal surface of the first porous ceramic layer opposite the first principal surface, and a second porous ceramic layer having a porosity of at least 20% by volume provided on a surface of the heat dissipation layer opposite the first porous ceramic layer.

公开(公告)号：US10365553B1

公开(公告)日：2019-07-30

申请号：US16361275

申请日：2019-03-22

申请人： NIPPON ELECTRIC GLASS CO., LTD.

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).

公开(公告)号：US10047285B2

公开(公告)日：2018-08-14

申请号：US15311535

申请日：2015-05-08

申请人： NIPPON ELECTRIC GLASS CO., LTD.

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).

公开(公告)号：US09733557B2

公开(公告)日：2017-08-15

申请号：US15028069

申请日：2014-10-21

申请人： NIPPON ELECTRIC GLASS CO., LTD.

发明人： Tadahito Furuyama ,  Tamio Ando ,  Shunsuke Fujita

IPC分类号： G03B21/20 ,  F21V29/00 ,  G02B26/00 ,  F21V29/502 ,  H04N9/31 ,  G02B5/08 ,  G03B21/16

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).

公开(公告)号：US11041606B1

公开(公告)日：2021-06-22

申请号：US16763327

申请日：2018-11-29

申请人： NIPPON ELECTRIC GLASS CO., LTD.

发明人： Tadahito Furuyama

IPC分类号： F21V9/32 ,  C09K5/14 ,  C09K11/02 ,  C09K11/64 ,  C09K11/08 ,  C09K11/77 ,  F21Y115/30

摘要： Provided are: a wavelength conversion member capable of reducing the decrease in luminescence intensity with time and the melting of component materials when irradiated with high-power excitation light; a method for manufacturing the same; and a light-emitting device using the wavelength conversion member. A wavelength conversion member 10 is made of a phosphor powder 2 and a thermally conductive filler 3 both dispersed into an inorganic binder 1, a refractive index difference between the inorganic binder 1 and the thermally conductive filler 3 being 0.2 or less, a volume ratio of a content of the inorganic binder 1 to a content of the thermally conductive filler 3 being 40:60 to 5:95.

公开(公告)号：US10580944B2

公开(公告)日：2020-03-03

申请号：US16335691

申请日：2017-09-20

申请人： NIPPON ELECTRIC GLASS CO., LTD.

发明人： Tadahito Furuyama ,  Shunsuke Fujita

IPC分类号： H01L33/50 ,  G02B1/111 ,  G03B21/20 ,  H01L33/44 ,  F21K9/64

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.

公开(公告)号：US10267963B2

公开(公告)日：2019-04-23

申请号：US15763873

申请日：2016-11-29

申请人： NIPPON ELECTRIC GLASS CO., LTD.

发明人： Naoki Fujita ,  Tadahito Furuyama ,  Shunsuke Fujita

IPC分类号： F21K9/64 ,  G02B5/20 ,  H01S5/02 ,  C09K11/08 ,  H01L33/50 ,  F21Y115/10

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.

公开(公告)号：US11999648B2

公开(公告)日：2024-06-04

申请号：US16977117

申请日：2019-03-25

申请人： NIPPON ELECTRIC GLASS CO., LTD.

发明人： Tadahito Furuyama ,  Shotaro Fukumoto

IPC分类号： C03C3/062 ,  C03C3/068 ,  C03C3/093 ,  C03C3/095 ,  C03C4/12 ,  C03C14/00 ,  C09K11/02 ,  F21V9/30

CPC分类号： C03C14/006 ,  C03C3/062 ,  C03C3/068 ,  C03C3/093 ,  C03C3/095 ,  C03C4/12 ,  C09K11/02 ,  F21V9/30

摘要： Provided is a wavelength conversion member which is made of a phosphor powder dispersed in a glass matrix and has an excellent luminous efficiency. A wavelength conversion member is comprising: a phosphor powder dispersed in a glass matrix, wherein the glass matrix has a refractive index (nd) of 1.6 or more and a liquidus temperature of 1070° C. or below.

公开(公告)号：US11655415B2

公开(公告)日：2023-05-23

申请号：US16605510

申请日：2018-06-04

申请人： NIPPON ELECTRIC GLASS CO., LTD.

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.

公开(公告)号：US10338458B2

公开(公告)日：2019-07-02

申请号：US15101461

申请日：2014-12-16

申请人： NIPPON ELECTRIC GLASS CO., LTD.

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).