公开(公告)号：US09371231B2

公开(公告)日：2016-06-21

申请号：US14497553

申请日：2014-09-26

Applicant: Koito Manufacturing Co., Ltd.

Inventor： Kiminori Enomoto ,  Hisayoshi Daicho ,  Yu Shinomiya

IPC: C01B25/455 ,  C01B25/32 ,  C30B29/14 ,  C30B29/60 ,  C30B7/10 ,  C30B9/12 ,  C30B15/00

CPC classification number: C01B25/455 ,  C01B25/32 ,  C01B25/321 ,  C30B7/10 ,  C30B9/12 ,  C30B15/00 ,  C30B29/14 ,  C30B29/607 ,  Y10T428/2975

Abstract: An apatite crystal is a single crystal expressed by a general formula (M2)5(PO4)3X. In this formula, M2 indicates at least one type of element selected from the group consisting of bivalent alkaline-earth metals and Eu, and X indicates at least one type of element or molecule selected from the group consisting of halogen elements and OH. And the single crystal is of a tubular shape. The outer shape of the apatite may be a hexagonal prism. The shape of an opening of a hole formed in the upper surface or lower surface of the hexagonal prism may be a hexagon.

Abstract translation: 磷灰石晶体是由通式（M2）5（PO4）3X表示的单晶。 在该式中，M2表示选自二价碱土金属和Eu中的至少一种元素，X表示选自卤素元素和OH的至少一种元素或分子。 单晶是管状的。 磷灰石的外形可以是六棱柱。 形成在六边形棱镜的上表面或下表面中的孔的形状可以是六边形。

公开(公告)号：US08883041B2

公开(公告)日：2014-11-11

申请号：US13961615

申请日：2013-08-07

Applicant: Koito Manufacturing Co., Ltd.

Inventor： Yasutaka Sasaki ,  Hisayoshi Daicho ,  Takeshi Iwasaki

IPC: C09K11/73 ,  C09K11/61 ,  C09K11/77

CPC classification number: C09K11/7734

Abstract: A method for preparing a phosphor that comprises a crystalline oxide having M1O3 (M1 is a tetravalent metallic element) as a main framework thereof and essentially including a halogen element X (X is at least one element selected from a group consisting of F, Cl, Br, and I) and divalent metal ions M2 and Eu2+, includes using a compound represented by a compositional formula NH4X as a starting material when synthesizing the phosphor. At least a compound represented by a compositional formula NH4Cl may be used as the starting material.

Abstract translation: 一种制备荧光体的方法，其包括具有M1O3（M1是四价金属元素）的结晶氧化物作为其主要框架，并且基本上包含卤素元素X（X是选自F，Cl， Br和I）和二价金属离子M2和Eu2 +包括在合成荧光体时使用由组成式NH4X表示的化合物作为原料。 可以使用至少由组成式NH 4 Cl表示的化合物作为原料。

公开(公告)号：US11249201B2

公开(公告)日：2022-02-15

申请号：US16153101

申请日：2018-10-05

Applicant: KOITO MANUFACTURING CO., LTD.

Inventor： Hisayoshi Daicho

IPC: G01T1/202 ,  G01T1/20 ,  G01T1/16

Abstract: A scintillator material includes a matrix phase and scintillator parts dispersed in the matrix phase. The scintillator parts contain fine particles of single crystal. According to the above aspect, since the scintillator parts containing the fine particles of single crystal are dispersed in the matrix phase, it is possible to reduce an influence from an environment.

公开(公告)号：US09627362B2

公开(公告)日：2017-04-18

申请号：US13671804

申请日：2012-11-08

Applicant: Koito Manufacturing Co., Ltd.

Inventor： Hisayoshi Daicho

IPC: F21V9/16 ,  H01L25/075 ,  H01L33/50 ,  H01L33/60

CPC classification number: H01L25/0753 ,  H01L33/502 ,  H01L33/60 ,  H01L2224/45144 ,  H01L2224/48091 ,  H01L2224/73265 ,  H01L2924/01322 ,  H01L2924/09701 ,  H01L2924/00 ,  H01L2924/00014

Abstract: An illumination device includes a light-emitting device and a diffusion member. The light-emitting device has a plurality of light-emitting elements that emit light having a peak wavelength in a wavelength region of 380 to 420 nm, a first phosphor that emits visible light having a peak wavelength in a wavelength region of 560 to 600 nm, a second phosphor that is excited by ultraviolet ray or short-wavelength visible light and emits visible light in complementary color relationship with the visible light emitted by the first phosphor, and a light-transmitting member that covers the plurality of light-emitting elements and contains the first phosphor and the second phosphor dispersed therein. The diffusion member diffuses at least a part of the light emitting from the light-emitting device.

公开(公告)号：US09337399B2

公开(公告)日：2016-05-10

申请号：US14529788

申请日：2014-10-31

Applicant: Koito Manufacturing Co., Ltd.

Inventor： Yasutaka Sasaki ,  Hisayoshi Daicho ,  Shinobu Aoyagi ,  Hiroshi Sawa

IPC: H01L29/49 ,  H01L33/50 ,  C09K11/77 ,  H05B33/14

CPC classification number: H01L33/504 ,  C09K11/7734 ,  C09K11/7739 ,  H01L33/502 ,  H01L2224/45139 ,  H01L2224/45144 ,  H01L2224/48091 ,  H01L2224/73265 ,  H01L2924/181 ,  H05B33/14 ,  H01L2924/00014 ,  H01L2924/00 ,  H01L2924/00011 ,  H01L2924/00012

Abstract: A phosphor has the general formula (M2x,M3y,M4z)mM1O3X(2/n), wherein M1 represents at least one element including at least Si and selected from the group consisting of Si, Ge, Ti, Zr, and Sn, M2 represents at least one element including at least Ca and selected from the group consisting of Ca, Mg, Cd, Co, and Zn, M3 represents at least one element including at least Sr and selected from the group consisting of Sr, Ra, Ba, and Pb, X represents at least one halogen element, M4 represents at least one element including at least Eu2+ and selected from the group consisting of rare-earth elements and Mn, m is in the range 1≦m≦4/3, n is in the range 5≦n≦7, and x, y, and z are each in such a range as to satisfy x+y+z=1, 0.45≦x≦0.8, 0.05≦y≦0.45, and 0.45, and 0.03≦z≦0.35.

Abstract translation: 荧光体具有通式（M2x，M3y，M4z）mM1O3X（2 / n），其中M1表示至少一种至少含有Si的元素，选自Si，Ge，Ti，Zr和Sn，M2 表示至少一种选自Ca，Mg，Cd，Co和Zn中的至少一种元素，M3表示至少一种至少含有Sr的元素，选自Sr，Ra，Ba， Pb，X表示至少一种卤素元素，M4表示至少一种至少含有Eu2 +且选自稀土元素和Mn的元素，m在1和n1E的范围内; m和nlE; 4/3，n是 在5和n1E的范围内，n和nlE; 7和x，y和z分别在满足x + y + z = 1，0.45＆lt; lE; x＆nlE; 0.8,0.05＆nlE; y＆nlE; 0.45和0.45的范围内， 和0.03＆nlE; z＆nlE; 0.35。

公开(公告)号：US09327977B2

公开(公告)日：2016-05-03

申请号：US14497553

申请日：2014-09-26

Applicant: Koito Manufacturing Co., Ltd.

Inventor： Kiminori Enomoto ,  Hisayoshi Daicho ,  Yu Shinomiya

IPC: C01B25/455 ,  C01B25/32 ,  C30B29/14 ,  C30B29/60 ,  C30B7/10 ,  C30B9/12 ,  C30B15/00

Abstract: An apatite crystal is a single crystal expressed by a general formula (M2)5(PO4)3X. In this formula, M2 indicates at least one type of element selected from the group consisting of bivalent alkaline-earth metals and Eu, and X indicates at least one type of element or molecule selected from the group consisting of halogen elements and OH. And the single crystal is of a tubular shape. The outer shape of the apatite may be a hexagonal prism. The shape of an opening of a hole formed in the upper surface or lower surface of the hexagonal prism may be a hexagon.

公开(公告)号：US20150048391A1

公开(公告)日：2015-02-19

申请号：US14377111

申请日：2013-01-22

Applicant: KOITO MANUFACTURING CO., LTD.

Inventor： Shogo Sugimori ,  Osamu Kuboyama ,  Hisayoshi Daicho

IPC: H01L25/13 ,  H01L33/50 ,  H01L33/54 ,  H01L33/58

CPC classification number: H01L25/13 ,  F21K9/00 ,  H01L25/0753 ,  H01L33/505 ,  H01L33/507 ,  H01L33/54 ,  H01L33/58 ,  H01L2924/0002 ,  H01L2924/00

Abstract: A semiconductor light-emitting device has a substrate, one or more semiconductor light-emitting elements provided on the substrate, and that emit light having a peak wavelength in a 380 nm to 480 nm wavelength region, and a molded member covering the semiconductor light-emitting element, and containing a phosphor that emits visible light by being excited by the emitted light from the semiconductor light-emitting element. The molded member is formed so that index A=H/(s/n) satisfies 0.3≦A≦6, where H is the height [mm] of the molded member from the substrate, s is the square root [mm] of the contact area between the substrate and the molded member, and n is the number of the semiconductor light-emitting elements covered with the molded member.

Abstract translation: 半导体发光装置具有：基板，设置在基板上的一个以上的半导体发光元件，发射波长380nm〜480nm的峰值波长的光，以及覆盖半导体发光元件的成型体， 并且包含通过被来自半导体发光元件的发射光激发而发射可见光的荧光体。 模制件形成为使得指数A = H /（s / n）满足0.3＆nlE; A＆nlE; 6，其中H是模制构件与基底的高度[mm]，s是平方根[mm] 基板和模制构件之间的接触面积，n是被模制构件覆盖的半导体发光元件的数量。

公开(公告)号：US08704261B2

公开(公告)日：2014-04-22

申请号：US13724991

申请日：2012-12-21

Applicant: Koito Manufacturing Co., Ltd.

Inventor： Takaaki Komatsu ,  Yasuaki Tsutsumi ,  Hisayoshi Daicho

IPC: H01L33/50

CPC classification number: H01L33/505 ,  F21S41/143 ,  H01L33/44 ,  H01L33/507 ,  H01L2924/0002 ,  H01L2924/00

Abstract: A light emitting module includes: an LED chip; a plate-shaped phosphor layer that is provided so as to face the light emitting surface of the LED chip and is configured to convert the wavelength of the light emitted by the LED chip; and a filter layer that is formed, of the surfaces of the phosphor layer, on at least one of the surface that faces the LED chip and the side surface, and that is configured to transmit the light emitted from the LED chip and to reflect the light whose wavelength has been converted by the phosphor layer. The filter layer is formed such that a ratio of the energy of the emitted light within a range of ±60° with respect to the front direction to the total energy of emitted light is 80% or more.

Abstract translation: 发光模块包括：LED芯片; 被设置为面对所述LED芯片的发光面并被配置为转换由所述LED芯片发射的光的波长的板状荧光体层; 以及在所述荧光体层的表面的至少一个所述面对所述LED芯片和所述侧面的表面上形成的滤光层，被配置为透射从所述LED芯片发射的光并反射所述滤光层 其波长已被磷光体层转换的光。 滤光层形成为使发光的能量相对于正面方向±60°的范围与发射光的总能量的比例为80％以上。