公开(公告)号：US08674392B2

公开(公告)日：2014-03-18

申请号：US13580791

申请日：2011-01-27

申请人： Kenichi Yoshimura ,  Hiroshi Fukunaga ,  Kohsei Takahashi ,  Naoto Hirosaki

发明人： Kenichi Yoshimura ,  Hiroshi Fukunaga ,  Kohsei Takahashi ,  Naoto Hirosaki

IPC分类号： H01L33/00

CPC分类号： H01L33/504 ,  C09K11/0883 ,  C09K11/64 ,  C09K11/7734 ,  C09K11/7792 ,  H01L2224/48091 ,  H01L2224/73265 ,  H01L2924/181 ,  H05B33/14 ,  Y02B20/181 ,  H01L2924/00012 ,  H01L2924/00014

摘要： Disclosed is a light-emitting device that exhibits good color rendering and highly efficiently emits white light in an incandescent bulb color range. The semiconductor light-emitting device (1) of the present invention includes: a semiconductor light-emitting element (2) that emits blue light; a green phosphor (14) that absorbs the blue light and emits green light; and an orange phosphor (13) that absorbs the blue light and emits orange light. The orange phosphor (13) produces an emission spectrum having a peak at a wavelength of equal to or greater than 590 nm but equal to or less than 630 nm and having a full width at half maximum of 130 nm or greater at the peak, the full width at half maximum of the emission spectrum of the orange phosphor (13) being broader than a full width at half maximum of an emission spectrum of the green phosphor (14). The orange phosphor (13) exhibits an absorptance having a peak wavelength of 420 nm or greater. ABS(530) and ABS(MAX) satisfy a relation, ABS(530)/ABS(MAX)

摘要翻译： 本发明公开了一种显示良好的显色性且高效率地在白炽灯泡颜色范围内发出白光的发光装置。 本发明的半导体发光器件（1）包括：发射蓝光的半导体发光元件（2）; 吸收蓝色光并发出绿色光的绿色荧光体（14）; 以及吸收蓝色光并发出橙色光的橙色荧光体（13）。 橙色荧光体（13）产生在波长等于或大于590nm但等于或小于630nm并且在峰值处具有130nm或更大的半峰全宽的发射光谱， 橙色荧光体（13）的发射光谱的一半的全宽比绿色荧光体（14）的发射光谱的半峰全宽。 橙色荧光体（13）表现出峰值波长为420nm以上的吸收率。 ABS（530）和ABS（MAX）满足ABS（530）/ ABS（MAX）<0.60的关系，其中ABS（MAX）是其峰值波长处的橙色磷光体（13）的吸收率，ABS ）是在530nm波长处的橙色荧光体（13）的吸收率。

公开(公告)号：US08928005B2

公开(公告)日：2015-01-06

申请号：US13381348

申请日：2010-07-02

申请人： Kenichi Yoshimura ,  Kohsei Takahashi ,  Hiroshi Fukunaga ,  Naoto Hirosaki

发明人： Kenichi Yoshimura ,  Kohsei Takahashi ,  Hiroshi Fukunaga ,  Naoto Hirosaki

IPC分类号： H01L33/00

CPC分类号： H01L33/504 ,  C09K11/7721 ,  C09K11/7734 ,  H01L33/502 ,  H01L2224/48091 ,  H01L2224/73265 ,  H01L2924/181 ,  H01L2924/00012 ,  H01L2924/00014

摘要： A semiconductor light-emitting device that is high in luminous efficiency and that emits light which is high in color rendering property includes a semiconductor light-emitting element that emits blue light; a green fluorescent substance that absorbs the blue light and emits green light; and an orange fluorescent substance that absorbs the blue light and emits orange light, fluorescence emitted by the green fluorescent substance and the orange fluorescent substance having an emission spectrum that has a peak wavelength of not less than 540 nm and not more than 565 nm and that satisfies the relation of 0.70>PI(90)/PI(MAX)>0.55, where PI(MAX) represents an emission intensity at the peak wavelength, and PI(90) represents an emission intensity at a wavelength 90 nm longer than the peak wavelength.

摘要翻译： 发光效率高，发光性高的半导体发光元件包括：发出蓝色光的半导体发光元件; 吸收蓝光并发出绿光的绿色荧光物质; 以及吸收蓝色光并发出橙色光的橙色荧光物质，由绿色荧光物质发出的荧光和具有峰值波长不低于540nm且不大于565nm的发射光谱的橙色荧光物质，并且 满足0.70> PI（90）/ PI（MAX）> 0.55的关系，其中PI（MAX）表示峰值波长处的发射强度，PI（90）表示比峰值长90nm的发射强度 波长。

公开(公告)号：US20130277698A1

公开(公告)日：2013-10-24

申请号：US13811933

申请日：2011-07-15

申请人： Kenichi Yoshimura ,  Kohsei Takahashi ,  Hiroshi Fukunaga ,  Naoto Hirosaki

发明人： Kenichi Yoshimura ,  Kohsei Takahashi ,  Hiroshi Fukunaga ,  Naoto Hirosaki

IPC分类号： H01L33/50

CPC分类号： H01L33/504 ,  C09K11/0883 ,  C09K11/7715 ,  H01L33/502 ,  H01L2224/48091 ,  H01L2224/73265 ,  H01L2924/181 ,  H05B33/14 ,  Y02B20/181 ,  H01L2924/00012 ,  H01L2924/00014

摘要： There is realized a light-emitting device that emits, with high efficiency, white light with excellent color rendering index. A light-emitting device (1) of the present invention is a light-emitting device (1) for emitting white light, including at least a light-emitting element (2) for emitting blue light, an orange fluorescent material (13) which absorbs the blue light so as to emit orange light, and a green fluorescent material (14) which absorbs the blue light so as to emit green light, the orange fluorescent material (13) being a Ce-activated CaAlSiN3 fluorescent material in a solid solution crystal form in which Ce and oxygen are dissolved in a crystal having a composition of cCaAlSiN3·(1−c)LiSi2N3 where 0.2≦c≦0.8, and the orange fluorescent material (13) containing 2 weight % or more of Ce.

摘要翻译： 实现了以高效率发出具有优异显色指数的白光的发光装置。 本发明的发光装置（1）是至少包括发光蓝光的发光元件（2）发出白光的发光装置（1），橙色荧光体（13），其中， 吸收蓝色光以发出橙色光;以及绿色荧光材料（14），其吸收蓝色光以发出绿色光，橙色荧光材料（13）为固体溶液中的Ce活化的CaAlSiN 3荧光材料 其中Ce和氧溶解在具有cCaAlSiN3·（1-c）LiSi2N3的组成的晶体中，其中0.2 @ c @ 0.8，和含有2重量％或更多的Ce的橙色荧光材料（13）的晶体形式。

公开(公告)号：US20120319155A1

公开(公告)日：2012-12-20

申请号：US13580791

申请日：2011-01-27

申请人： Kenichi Yoshimura ,  Hiroshi Fukunaga ,  Kohsei Takahashi ,  Naoto Hirosaki

发明人： Kenichi Yoshimura ,  Hiroshi Fukunaga ,  Kohsei Takahashi ,  Naoto Hirosaki

IPC分类号： H01L33/50

CPC分类号： H01L33/504 ,  C09K11/0883 ,  C09K11/64 ,  C09K11/7734 ,  C09K11/7792 ,  H01L2224/48091 ,  H01L2224/73265 ,  H01L2924/181 ,  H05B33/14 ,  Y02B20/181 ,  H01L2924/00012 ,  H01L2924/00014

摘要： Disclosed is a light-emitting device that exhibits good color rendering and highly efficiently emits white light in an incandescent bulb color range. The semiconductor light-emitting device (1) of the present invention includes: a semiconductor light-emitting element (2) that emits blue light; a green phosphor (14) that absorbs the blue light and emits green light; and an orange phosphor (13) that absorbs the blue light and emits orange light. The orange phosphor (13) produces an emission spectrum having a peak at a wavelength of equal to or greater than 590 nm but equal to or less than 630 nm and having a full width at half maximum of 130 nm or greater at the peak, the full width at half maximum of the emission spectrum of the orange phosphor (13) being broader than a full width at half maximum of an emission spectrum of the green phosphor (14). The orange phosphor (13) exhibits an absorptance having a peak wavelength of 420 nm or greater. ABS(530) and ABS(MAX) satisfy a relation, ABS(530)/ABS(MAX)

摘要翻译： 本发明公开了一种显示良好的显色性且高效率地在白炽灯泡颜色范围内发出白光的发光装置。 本发明的半导体发光器件（1）包括：发射蓝光的半导体发光元件（2）; 吸收蓝色光并发出绿色光的绿色荧光体（14）; 以及吸收蓝色光并发出橙色光的橙色荧光体（13）。 橙色荧光体（13）产生在波长等于或大于590nm但等于或小于630nm并且在峰值处具有130nm或更大的半峰全宽的发射光谱， 橙色荧光体（13）的发射光谱的一半的全宽比绿色荧光体（14）的发射光谱的半峰全宽。 橙色荧光体（13）表现出峰值波长为420nm以上的吸收率。 ABS（530）和ABS（MAX）满足ABS（530）/ ABS（MAX）<0.60的关系，其中ABS（MAX）是其峰值波长处的橙色磷光体（13）的吸收率，ABS ）是在530nm波长处的橙色荧光体（13）的吸收率。

公开(公告)号：US07494606B2

公开(公告)日：2009-02-24

申请号：US11360373

申请日：2006-02-22

申请人： Kohsei Takahashi ,  Naoto Hirosaki

发明人： Kohsei Takahashi ,  Naoto Hirosaki

IPC分类号： C09K11/74 ,  H01L33/00

CPC分类号： C09K11/7774 ,  H01L33/502 ,  H01L2224/48091 ,  H01L2224/48465 ,  H01L2224/73265 ,  H01L2924/00014 ,  H01L2924/00

摘要： The invention provides an oxynitride phosphor represented by a composition formula M1−aCeaSibAlcOdNe, wherein M denotes La or a compound of which main component is La and sub-component is at least one kind of element selected from the group consisting of Pr, Nd, Sm, Eu, Gd, Th, Dy, Ho, Er, Tm, Yb and Lu; the a that represents a composition ratio of Ce is a real number satisfying 0.1≦a≦1; the b that represents a composition ratio of Si is a real number satisfying b=(6−z)×f; the c that represents a composition ratio of Al is a real number satisfying c=(1+z)×g; the d that represents a composition ratio of O is a real number satisfying d=z×h; the e that represents a composition ratio of N is a real number satisfying e=(10−z)×i; the z is a real number satisfying 0.1≦z≦3; the f is a real number satisfying 0.7≦f≦1.3; the g is a real number satisfying 0.7≦g≦3; the h is a real number satisfying 0.7≦h≦3; the i is a real number satisfying 0.7≦i≦1.3; and a JEM phase is contained in an amount of 50% or more, and a semiconductor light-emitting device that uses the oxynitride phosphor.

摘要翻译： 本发明提供一种由组成式M1-aCeaSibAlcOdNe表示的氧氮化物荧光体，其中M表示La或主要成分为La的化合物，副成分为选自Pr，Nd，Sm中的至少一种元素 ，Eu，Gd，Th，Dy，Ho，Er，Tm，Yb和Lu; 表示Ce的组成比的a是满足0.1 <= a <= 1的实数; 表示Si的组成比的b是满足b =（6-z）×f的实数; 表示Al的组成比的c是满足c =（1 + z）×g的实数; 表示O的组成比的d是满足d = zxh的实数; 表示N的组成比的e是满足e =（10-z）xi的实数; z是满足0.1 <= z <= 3的实数; f是满足0.7 <= f <= 1.3的实数; g是满足0.7 <= g <= 3的实数; h是满足0.7 <= h <= 3的实数; 我是一个满足0.7 <= i <= 1.3的实数; 并且包含50％以上的JEM相和使用该氮氧化物荧光体的半导体发光装置。

公开(公告)号：US08901591B2

公开(公告)日：2014-12-02

申请号：US13811933

申请日：2011-07-15

申请人： Kenichi Yoshimura ,  Kohsei Takahashi ,  Hiroshi Fukunaga ,  Naoto Hirosaki

发明人： Kenichi Yoshimura ,  Kohsei Takahashi ,  Hiroshi Fukunaga ,  Naoto Hirosaki

IPC分类号： H01L33/50 ,  C09K11/08 ,  C09K11/77 ,  H05B33/14

CPC分类号： H01L33/504 ,  C09K11/0883 ,  C09K11/7715 ,  H01L33/502 ,  H01L2224/48091 ,  H01L2224/73265 ,  H01L2924/181 ,  H05B33/14 ,  Y02B20/181 ,  H01L2924/00012 ,  H01L2924/00014

摘要： There is realized a light-emitting device that emits, with high efficiency, white light with excellent color rendering index. A light-emitting device (1) of the present invention is a light-emitting device (1) for emitting white light, including at least a light-emitting element (2) for emitting blue light, an orange fluorescent material (13) which absorbs the blue light so as to emit orange light, and a green fluorescent material (14) which absorbs the blue light so as to emit green light, the orange fluorescent material (13) being a Ce-activated CaAlSiN3 fluorescent material in a solid solution crystal form in which Ce and oxygen are dissolved in a crystal having a composition of cCaAlSiN3.(1−c)LiSi2N3 where 0.2≦c≦0.8, and the orange fluorescent material (13) containing 2 weight % or more of Ce.

摘要翻译： 实现了以高效率发出具有优异显色指数的白光的发光装置。 本发明的发光装置（1）是至少包括发光蓝光的发光元件（2）发出白光的发光装置（1），橙色荧光体（13），其中， 吸收蓝色光以发出橙色光;以及绿色荧光材料（14），其吸收蓝色光以发出绿色光，橙色荧光材料（13）为固体溶液中的Ce活化的CaAlSiN 3荧光材料 Ce和氧溶解在具有cCaAlSiN3组成的晶体中的晶体形式（1-c）LiSi 2 N 3，其中0.2＆lt; lE; c＆nlE; 0.8和含有2重量％或更多Ce的橙色荧光材料（13）。

公开(公告)号：US20130207146A1

公开(公告)日：2013-08-15

申请号：US13811996

申请日：2011-07-15

申请人： Kenichi Yoshimura ,  Kohsei Takahashi ,  Hiroshi Fukunaga ,  Naoto Hirosaki

发明人： Kenichi Yoshimura ,  Kohsei Takahashi ,  Hiroshi Fukunaga ,  Naoto Hirosaki

IPC分类号： H01L33/50

CPC分类号： H01L33/504 ,  C09K11/0883 ,  C09K11/7715 ,  H01L33/502 ,  H01L2224/48091 ,  H01L2224/73265 ,  H01L2924/181 ,  H05B33/14 ,  Y02B20/181 ,  H01L2924/00012 ,  H01L2924/00014

摘要： There is realized a light-emitting device that emits, with high efficiency, white light with excellent color rendering index in a lamp color region. A light-emitting device (1) of the present invention is a light-emitting device (1) for emitting white light in a lamp color region, including at least a light-emitting element (2) for emitting blue light, an orange fluorescent material (13) which absorbs the blue light so as to emit orange light, and a red fluorescent material (14) which absorbs the blue light so as to emit red light, the orange fluorescent material (13) being a Ce-activated CaAlSiN3 fluorescent material in a solid solution crystal form in which Ce and oxygen are dissolved in a crystal having a composition of cCaAlSiN3.(1−c)LiSi2N3 where 0.2≦c≦0.8.

摘要翻译： 实现了在灯颜色区域中以高效率发出具有优异显色指数的白光的发光装置。 本发明的发光装置（1）是发光装置（1），其在至少包含发光蓝色发光元件（2）的灯色区域发出白光，发出橙色荧光 吸收蓝色光以发出橙色光的材料（13）和吸收蓝色光以发出红色光的红色荧光材料（14），橙色荧光材料（13）是Ce活化的CaAlSiN 3荧光体 其中Ce和氧溶解在具有cCaAlSiN3组成的晶体中的固溶体晶体形式的材料（1-c）LiSi 2 N 3，其中0.2 @ c @ 0.8。

公开(公告)号：US07611642B2

公开(公告)日：2009-11-03

申请号：US11808112

申请日：2007-06-06

申请人： Kohsei Takahashi ,  Naoto Hirosaki

发明人： Kohsei Takahashi ,  Naoto Hirosaki

IPC分类号： C09K11/64

CPC分类号： H05B33/14 ,  C04B35/597 ,  C04B2235/3208 ,  C04B2235/3213 ,  C04B2235/3215 ,  C04B2235/3224 ,  C04B2235/3227 ,  C04B2235/3229 ,  C04B2235/3865 ,  C04B2235/3878 ,  C04B2235/3895 ,  C04B2235/442 ,  C04B2235/5445 ,  C04B2235/6562 ,  C04B2235/766 ,  C04B2235/80 ,  C09K11/0883 ,  C09K11/7774 ,  H01L33/502

摘要： The present invention provides an oxynitride phosphor represented by a composition formula M(1)1-jM(2)jSibAlcOdNe (composition formula I) or a composition formula M(1)1-a-jM(2)jCeaSibAlcOdNe (composition formula II) and containing 50% or more of a JEM phase, and a light emitting device including a semiconductor light emitting element emitting an excited light, a first phosphor that is the oxynitride phosphor according to the present invention that absorbs the excited light and emits a fluorescence, and a kind or a plurality of kinds of second phosphor(s) that absorb(s) the excited light and emit(s) a fluorescence having a longer wavelength than the fluorescence emitted by the first phosphor. Thereby, a novel oxynitride phosphor being capable of highly efficiently emitting mainly a light having a wavelength of 510 nm or less and a light emitting device using the same can be provided.

摘要翻译： 本发明提供由组成式M（1）1-jM（2）jSibAlcOdNe（组成式I）或组成式M（1）1-a-jM（2）jCeaSibAlcOdNe（组成式II）表示的氧氮化物荧光体， 并且含有50％以上的JEM相，以及包含发射激发光的半导体发光元件的发光器件，作为吸收激发光并发出荧光的本发明的氮氧化物荧光体的第一荧光体， 以及吸收被激发的光并发射具有比由第一荧光体发射的荧光的波长更长的荧光的一种或多种第二荧光体。 因此，可以提供能够高效率地发射波长为510nm以下的光的新型氮氧化物荧光体和使用该氧化氮的荧光体。

公开(公告)号：US09279079B2

公开(公告)日：2016-03-08

申请号：US12155073

申请日：2008-05-29

申请人： Kohsei Takahashi ,  Masamichi Harada ,  Naoto Hirosaki

发明人： Kohsei Takahashi ,  Masamichi Harada ,  Naoto Hirosaki

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

CPC分类号： C09K11/7734 ,  C09K11/0883 ,  H01L2224/48091 ,  H01L2224/73265 ,  H01L2924/181 ,  H01L2924/00012 ,  H01L2924/00014

摘要： A method of manufacturing a first phosphor of which emission spectrum shape well matches with a color filter of three primary colors of light, a light-emitting device including the first phosphor, and an image display apparatus including the light-emitting device are provided. The light-emitting device includes a semiconductor light-emitting element emitting excitation light and the first phosphor absorbing the excitation light and emitting green light. The first phosphor contains a solid solution of aluminum element and a metal element M selected from the group consisting of Mn, Ce and Eu in crystals of an oxynitride having a β-type Si3N4 crystal structure, an amount of oxygen in the crystals being not higher than 0.8 mass %.

摘要翻译： 提供一种制造发光光谱形状与三原色滤色器良好匹配的第一荧光体的制造方法，包括第一荧光体的发光装置和包括该发光装置的图像显示装置。 发光装置包括发射激发光的半导体发光元件和吸收激发光并发出绿光的第一荧光体。 第一荧光体含有在具有“Si”型晶体结构的氧氮化物的晶体中选择的由Mn，Ce和Eu组成的组中的铝元素和金属元素M的固溶体，晶体中的氧的量不是 高于0.8质量％。

公开(公告)号：US20120104448A1

公开(公告)日：2012-05-03

申请号：US13381348

申请日：2010-07-02

申请人： Kenichi Yoshimura ,  Kohsei Takahashi ,  Hirochi Fukunaga ,  Naoto Hirosaki

发明人： Kenichi Yoshimura ,  Kohsei Takahashi ,  Hirochi Fukunaga ,  Naoto Hirosaki

IPC分类号： H01L33/50

CPC分类号： H01L33/504 ,  C09K11/7721 ,  C09K11/7734 ,  H01L33/502 ,  H01L2224/48091 ,  H01L2224/73265 ,  H01L2924/181 ,  H01L2924/00012 ,  H01L2924/00014

摘要： A semiconductor light-emitting device that is high in luminous efficiency and that emits light which is high in color rendering property includes a semiconductor light-emitting element that emits blue light; a green fluorescent substance that absorbs the blue light and emits green light; and an orange fluorescent substance that absorbs the blue light and emits orange light, fluorescence emitted by the green fluorescent substance and the orange fluorescent substance having an emission spectrum that has a peak wavelength of not less than 540 nm and not more than 565 nm and that satisfies the relation of 0.70>PI(90)/PI(MAX)>0.55, where PI(MAX) represents an emission intensity at the peak wavelength, and PI(90) represents an emission intensity at a wavelength 90 nm longer than the peak wavelength.

摘要翻译： 发光效率高，发光性高的半导体发光元件包括：发出蓝色光的半导体发光元件; 吸收蓝光并发出绿光的绿色荧光物质; 以及吸收蓝色光并发出橙色光的橙色荧光物质，由绿色荧光物质发出的荧光和具有峰值波长不低于540nm且不大于565nm的发射光谱的橙色荧光物质，并且 满足0.70> PI（90）/ PI（MAX）> 0.55的关系，其中PI（MAX）表示峰值波长处的发射强度，PI（90）表示比峰值长90nm的发射强度 波长。