公开(公告)号：US07884544B2

公开(公告)日：2011-02-08

申请号：US11216455

申请日：2005-09-01

申请人： Hatsuo Takezawa ,  Kenji Shimomura ,  Hiroaki Oshio ,  Yasuhiro Shirakawa ,  Tsutomu Ishii

发明人： Hatsuo Takezawa ,  Kenji Shimomura ,  Hiroaki Oshio ,  Yasuhiro Shirakawa ,  Tsutomu Ishii

IPC分类号： H01J1/62

CPC分类号： H01L33/504 ,  B29C45/0013 ,  B29C45/14655 ,  H01L2224/32245 ,  H01L2224/48091 ,  H01L2224/48247 ,  H01L2224/73265 ,  H01L2924/181 ,  H01L2924/00014 ,  H01L2924/00 ,  H01L2924/00012

摘要： A semiconductor light emitting device includes a semiconductor light emitting element that emits light of a first wavelength, at least two kinds of phosphors that absorb the light of the first wavelength and then emit wavelength-converted light, sealing resin in which the at least two kinds of phosphors are dispersed and the semiconductor light emitting element is embedded, and binder resin. Combined bodies in which the at least two kinds of phosphors are combined by the binder resin are dispersed in the sealing resin.

摘要翻译： 半导体发光器件包括发射第一波长的光的半导体发光元件，吸收第一波长的光然后发射波长转换的光的至少两种荧光体，其中至少两种的密封树脂 的磷光体被分散并且半导体发光元件被嵌入，粘合剂树脂。 通过粘合剂树脂将至少两种荧光体组合在一起的组合体分散在密封树脂中。

公开(公告)号：US20060071591A1

公开(公告)日：2006-04-06

申请号：US11216455

申请日：2005-09-01

申请人： Hatsuo Takezawa ,  Kenji Shimomura ,  Hiroaki Oshio ,  Yasuhiro Shirakawa ,  Tsutomu Ishii

发明人： Hatsuo Takezawa ,  Kenji Shimomura ,  Hiroaki Oshio ,  Yasuhiro Shirakawa ,  Tsutomu Ishii

IPC分类号： H01J1/62

CPC分类号： H01L33/504 ,  B29C45/0013 ,  B29C45/14655 ,  H01L2224/32245 ,  H01L2224/48091 ,  H01L2224/48247 ,  H01L2224/73265 ,  H01L2924/181 ,  H01L2924/00014 ,  H01L2924/00 ,  H01L2924/00012

摘要： A semiconductor light emitting device comprises: a semiconductor light emitting element that emits light of a first wavelength; at least two kinds of phosphors that absorb the light of the first wavelength and then emit wavelength-converted light; sealing resin in which the at least two kinds of phosphors are dispersed and the semiconductor light emitting element is embedded; and binder resin. Combined bodies in which the at least two kinds of phosphors are combined by the binder resin are dispersed in the sealing resin.

摘要翻译： 一种半导体发光器件包括：发射第一波长的光的半导体发光元件; 吸收第一波长的光然后发射波长转换的光的至少两种荧光体; 密封树脂，其中分散有至少两种荧光体和半导体发光元件; 和粘合剂树脂。 通过粘合剂树脂将至少两种荧光体组合在一起的组合体分散在密封树脂中。

公开(公告)号：US09169436B2

公开(公告)日：2015-10-27

申请号：US13470588

申请日：2012-05-14

申请人： Tsutomu Ishii ,  Yoshitaka Funayama ,  Yumi Ito ,  Yasumasa Ooya ,  Ryo Sakai ,  Katsutoshi Nakagawa ,  Hajime Takeuchi ,  Yasuhiro Shirakawa

发明人： Tsutomu Ishii ,  Yoshitaka Funayama ,  Yumi Ito ,  Yasumasa Ooya ,  Ryo Sakai ,  Katsutoshi Nakagawa ,  Hajime Takeuchi ,  Yasuhiro Shirakawa

IPC分类号： H01L51/52 ,  C09K11/08 ,  C09K11/77 ,  H01L33/50

CPC分类号： H01L33/502 ,  C09K11/0883 ,  C09K11/7734 ,  C09K11/7738 ,  C09K11/7789

摘要： An LED light emitting device is provided that has high color rendering properties and is excellent color uniformity and, at the same time, can realize even luminescence unattainable by conventional techniques. A phosphor having a composition represented by formula: (Sr2-X-Y-Z-ωBaXMgYMnZEuω)SiO4 wherein x, y, z, and ω are respectively coefficients satisfying 0.1 z, and 0.01

摘要翻译： 提供具有高显色性能和优异的色彩均匀性的LED发光装置，同时可以实现通过常规技术无法实现的均匀发光。 具有由式（Sr2-XYZ-ωBaXMgYMnZEuω）SiO4表示的组成的荧光体，其中x，y，z和ω分别为满足0.1 z，并且提供0.01 <ω<0.2。 荧光体与具有360〜470nm的发光峰值波长的紫外线和蓝色发光二极管结合使用，形成LED发光装置。

公开(公告)号：US09039218B2

公开(公告)日：2015-05-26

申请号：US13619500

申请日：2012-09-14

申请人： Tsutomu Ishii ,  Hajime Takeuchi ,  Yasumasa Ooya ,  Katsutoshi Nakagawa ,  Yumi Ito ,  Masaki Toyoshima ,  Yasuhiro Shirakawa ,  Ryo Sakai

发明人： Tsutomu Ishii ,  Hajime Takeuchi ,  Yasumasa Ooya ,  Katsutoshi Nakagawa ,  Yumi Ito ,  Masaki Toyoshima ,  Yasuhiro Shirakawa ,  Ryo Sakai

IPC分类号： H01L33/50 ,  H01L33/32 ,  C09K11/58 ,  C09K11/64 ,  C09K11/77 ,  H01L33/60 ,  H05B33/14 ,  H05B33/20 ,  H01L33/40 ,  H01L33/54 ,  H01L33/64 ,  H01L33/44

CPC分类号： H01L33/32 ,  C09K11/584 ,  C09K11/642 ,  C09K11/7734 ,  C09K11/7739 ,  C09K11/7741 ,  C09K11/7789 ,  H01L33/405 ,  H01L33/44 ,  H01L33/504 ,  H01L33/505 ,  H01L33/507 ,  H01L33/54 ,  H01L33/60 ,  H01L33/642 ,  H01L2224/48091 ,  H01L2224/48465 ,  H05B33/14 ,  H05B33/20 ,  Y02B20/181 ,  H01L2924/00014 ,  H01L2924/00

摘要： A white LED lamp including: a conductive portion; a light emitting diode chip mounted on the conductive portion, for emitting a primary light having a peak wavelength of 360 nm to 420 nm; a transparent resin layer including a first hardened transparent resin, for sealing the light emitting diode chip; and a phosphor layer covering the transparent resin layer, the phosphor layer being formed by dispersing a phosphor powder into a second hardened transparent resin, and the phosphor powder receiving the primary light and radiating a secondary light having a wavelength longer than that of the primary light. An energy of the primary light contained in the radiated secondary light is 0.4 mW/Im or less.

摘要翻译： 一种白色LED灯，包括：导电部分; 安装在导电部分上的发光二极管芯片，用于发射峰值波长为360nm至420nm的初级光; 透明树脂层，包括第一硬化透明树脂，用于密封发光二极管芯片; 以及覆盖透明树脂层的荧光体层，荧光体层通过将荧光体粉末分散在第二硬化透明树脂中而形成，并且荧光体粉末接收初级光并且发射波长比初级光的波长更长的二次光 。 被照射的二次光中包含的一次光的能量为0.4mW / Im以下。

公开(公告)号：US08632202B2

公开(公告)日：2014-01-21

申请号：US13229040

申请日：2011-09-09

申请人： Hajime Takeuchi ,  Ryo Sakai ,  Tsutomu Ishii ,  Yasumasa Ooya ,  Yasuhiro Shirakawa

发明人： Hajime Takeuchi ,  Ryo Sakai ,  Tsutomu Ishii ,  Yasumasa Ooya ,  Yasuhiro Shirakawa

IPC分类号： G09F13/08

CPC分类号： H01L33/504 ,  C09K11/7734 ,  C09K11/7739 ,  C09K11/7789 ,  G02F1/133603 ,  G02F2001/133624

摘要： In a embodiment, a white LED for a backlight of a liquid crystal display device conforming to the EBU standard includes an ultraviolet (purple) light-emitting element, and a phosphor layer which contains 1 to 10 wt % of a green phosphor including a divalent europium-activated silicate phosphor, 40 to 80 wt % of a blue phosphor including at least one selected from a divalent europium-activated halo-phosphate phosphor and a divalent europium-activated aluminate phosphor, and 10 to 50 wt % of a red phosphor including at least one selected from a europium-activated lanthanum oxysulfide phosphor and a europium-activated yttrium oxysulfide phosphor.

摘要翻译： 在一个实施例中，用于符合EBU标准的液晶显示装置的背光源的白色LED包括紫外（紫色）发光元件和含有1-10重量％的包含二价 铕活化硅酸盐荧光体，40〜80重量％的包含选自二价铕活化的卤代磷酸盐荧光体和二价铕活化的铝酸盐荧光体中的至少一种的蓝色荧光体和10〜50重量％的红色荧光体，其包含 至少一种选自铕激活的氧化硫镧荧光体和铕活化的硫氧化钇氧硫化物荧光体。

公开(公告)号：US08471283B2

公开(公告)日：2013-06-25

申请号：US12919287

申请日：2009-02-19

申请人： Tsutomu Ishii ,  Hajime Takeuchi ,  Yasumasa Ooya ,  Katsutoshi Nakagawa ,  Yumi Ito ,  Masaki Toyoshima ,  Yasuhiro Shirakawa ,  Ryo Sakai

发明人： Tsutomu Ishii ,  Hajime Takeuchi ,  Yasumasa Ooya ,  Katsutoshi Nakagawa ,  Yumi Ito ,  Masaki Toyoshima ,  Yasuhiro Shirakawa ,  Ryo Sakai

IPC分类号： H01L33/50

CPC分类号： H01L33/32 ,  C09K11/584 ,  C09K11/642 ,  C09K11/7734 ,  C09K11/7739 ,  C09K11/7741 ,  C09K11/7789 ,  H01L33/405 ,  H01L33/44 ,  H01L33/504 ,  H01L33/505 ,  H01L33/507 ,  H01L33/54 ,  H01L33/60 ,  H01L33/642 ,  H01L2224/48091 ,  H01L2224/48465 ,  H05B33/14 ,  H05B33/20 ,  Y02B20/181 ,  H01L2924/00014 ,  H01L2924/00

摘要： A white LED lamp including: a conductive portion; a light emitting diode chip mounted on the conductive portion, for emitting a primary light having a peak wavelength of 360 nm to 420 nm; a transparent resin layer including a first hardened transparent resin, for sealing the light emitting diode chip; and a phosphor layer covering the transparent resin layer, the phosphor layer being formed by dispersing a phosphor powder into a second hardened transparent resin, and the phosphor powder receiving the primary light and radiating a secondary light having a wavelength longer than that of the primary light. An energy of the primary light contained in the radiated secondary light is 0.4 mW/lm or less. In the white LED lamp, a backlight, and an illumination device using the white LED lamp an amount of UV light to be contained in the released light and an amount of heat to be generated from the lamp are decreased to be small.

摘要翻译： 一种白色LED灯，包括：导电部分; 安装在导电部分上的发光二极管芯片，用于发射峰值波长为360nm至420nm的初级光; 透明树脂层，包括第一硬化透明树脂，用于密封发光二极管芯片; 以及覆盖透明树脂层的荧光体层，荧光体层通过将荧光体粉末分散在第二硬化透明树脂中而形成，并且荧光体粉末接收初级光并且发射波长比初级光的波长更长的二次光 。 辐射二次光中包含的初级光的能量为0.4mW / lm以下。 在白色LED灯，背光源和使用白色LED灯的照明装置中，放出的光中包含的紫外线的量和从灯产生的热量的量减小。

公开(公告)号：US07961762B2

公开(公告)日：2011-06-14

申请号：US12526367

申请日：2008-02-07

申请人： Tsutomu Ishii ,  Yasuhiro Shirakawa ,  Ryo Sakai ,  Yasumasa Ooya ,  Hajime Takeuchi

发明人： Tsutomu Ishii ,  Yasuhiro Shirakawa ,  Ryo Sakai ,  Yasumasa Ooya ,  Hajime Takeuchi

IPC分类号： H01S3/30 ,  H01S3/10 ,  H01S3/16

CPC分类号： C09K11/7734 ,  C09K11/7739 ,  C09K11/7789 ,  H01L33/504 ,  H01L2224/48091 ,  H01L2224/73265 ,  Y02B20/181 ,  H01L2924/00014

摘要： A white light-emitting lamp (1) includes a light-emitting portion (9) which is excited by light emitted from a semiconductor light-emitting element (2) to emit white light. The light-emitting portion (9) contains a blue phosphor, a yellow phosphor and a red phosphor. The yellow phosphor is composed of a europium and manganese-activated alkaline earth silicate phosphor having a composition expressed by (Sr1-x-y-z-u, Bax, Mgy, Euz, Mnu)2SiO4 (0.1≦x≦0.35, 0.025≦y≦0.105, 0.025≦z≦0.25, 0.0005≦u≦0.02).

摘要翻译： 白色发光灯（1）包括由半导体发光元件（2）发射的光激发而发出白光的发光部（9）。 发光部（9）含有蓝色荧光体，黄色荧光体和红色荧光体。 黄色荧光体由具有由（Sr1-xyzu，Bax，Mgy，Euz，Mnu）2SiO4（0.1＆nlE; xu和nlE; 0.35,0.025＆amp; nlE; y＆nlE; 0.105）表示的组成的铕和锰活化的碱土金属硅酸盐荧光体组成， 0.025＆nlE; z＆nlE; 0.25,0.0005＆nlE; u＆nlE; 0.02）。

公开(公告)号：US07649310B2

公开(公告)日：2010-01-19

申请号：US11722768

申请日：2005-12-20

申请人： Tsutomu Ishii ,  Hajime Takeuchi ,  Yasuhiro Shirakawa ,  Yasumasa Ooya ,  Ryo Sakai ,  Masahiko Yamakawa

发明人： Tsutomu Ishii ,  Hajime Takeuchi ,  Yasuhiro Shirakawa ,  Yasumasa Ooya ,  Ryo Sakai ,  Masahiko Yamakawa

IPC分类号： H01J1/62

CPC分类号： C09K11/7739 ,  C09K11/7734 ,  C09K11/7789 ,  G02F1/133603 ,  G02F1/133606 ,  H01L33/504

摘要： The present invention provides a white LED comprising: an ultraviolet emitting diode or a purple light emitting diode; and phosphors for emitting at least three visible lights including blue light, green light and red light; wherein an emission spectrum of the white LED has: a first luminescence peak in a blue light region having a wavelength of 440-460 nm; a second luminescence peak in a green light region having a wavelength of 510-530 nm; and a third luminescence peak in a red light region having a wavelength of 620-640 nm. Further, it is preferable that a half bandwidth of each of the luminescence peaks is 50 nm or less. As a result, there can be provided a white LED, backlight and liquid crystal display using the white LED exhibiting a high luminance and an excellent color reproducing property.

摘要翻译： 本发明提供一种白光LED，包括：紫外发光二极管或紫色发光二极管; 以及用于发射包括蓝光，绿光和红光的至少三个可见光的荧光体; 其中所述白色LED的发射光谱具有：波长为440-460nm的蓝色光区域中的第一发光峰; 在波长为510-530nm的绿光区域中的第二发光峰; 以及在波长为620-640nm的红光区域中的第三发光峰。 此外，优选每个发光峰的半值带宽为50nm以下。 结果，可以提供使用白色LED的白色LED，背光和液晶显示器，其具有高亮度和优异的色彩再现特性。

公开(公告)号：US20070215892A1

公开(公告)日：2007-09-20

申请号：US11575630

申请日：2005-09-08

申请人： Tsutomu Ishii ,  Yasuhiro Shirakawa

发明人： Tsutomu Ishii ,  Yasuhiro Shirakawa

IPC分类号： H01L33/00

CPC分类号： H01L33/504 ,  C09K11/7734 ,  C09K11/7739 ,  C09K11/7789 ,  G02B6/0023 ,  G02B6/0073 ,  H01L33/60 ,  H01L2224/48091 ,  H01L2224/73265 ,  H01L2224/8592 ,  Y02B20/181 ,  H01L2924/00014

摘要： A light emitting device 1 has, as a light source, a light emitting semiconductor element such as a light emitting diode 2. Light radiated from the light emitting diode 2 is converted to visible light in a light emitting part 8 having a plurality of phosphors 9 different in emission color, and the visible light is emitted. In such a light emitting device 1, a maximum value (Δx, Δy) of color difference (absolute value) between emission chromaticity (x, y) and emission chromaticity (x1, y1) satisfies conditions of Δx

摘要翻译： 发光器件1具有作为光源的诸如发光二极管2的发光半导体元件。 在具有发光颜色不同的多个荧光体9的发光部8中，从发光二极管2照射的光被转换为可见光，并且发出可见光。 在这样的发光装置1中，发光色度（x，y）和发光色度（x 1，y 1）之间的色差（绝对值）的最大值（Deltax，Deltay）满足Deltax <0.05和Deltay < 0.05，其中（x，y）是直接在光源上方测量的发射色度，（x 1，y 1）是从发光装置1的所有方向测量的每个前灯和侧面泄漏光的发射色度。

公开(公告)号：US08487330B2

公开(公告)日：2013-07-16

申请号：US12746665

申请日：2008-12-04

申请人： Tsutomu Ishii ,  Yoshitaka Funayama ,  Yumi Ito ,  Yasumasa Ooya ,  Ryo Sakai ,  Katsutoshi Nakagawa ,  Hajime Takeuchi ,  Yasuhiro Shirakawa

发明人： Tsutomu Ishii ,  Yoshitaka Funayama ,  Yumi Ito ,  Yasumasa Ooya ,  Ryo Sakai ,  Katsutoshi Nakagawa ,  Hajime Takeuchi ,  Yasuhiro Shirakawa

IPC分类号： H01L33/00

CPC分类号： H01L33/502 ,  C09K11/0883 ,  C09K11/7734 ,  C09K11/7738 ,  C09K11/7789

摘要： An LED light emitting device is provided that has high color rendering properties and is excellent color uniformity and, at the same time, can realize even luminescence unattainable by conventional techniques. A phosphor having a composition represented by formula: (Sr2-X-Y-Z-ωBaXMgYMnZEuω)SiO4 wherein x, y, z, and ω are respectively coefficients satisfying 0.1 z, and 0.01

摘要翻译： 提供具有高显色性能和优异的色彩均匀性的LED发光装置，同时可以实现通过常规技术无法实现的均匀发光。 具有由式（Sr2-XYZ-ωBaXMgYMnZEuomega）SiO4表示的组成的荧光体，其中x，y，z和ω分别为满足0.1 z，并且提供0.01 <ω<0.2。 荧光体与具有360〜470nm的发光峰值波长的紫外线和蓝色发光二极管结合使用，形成LED发光装置。