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公开(公告)号：US08674392B2
公开(公告)日：2014-03-18
申请号：US13580791
申请日：2011-01-27
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。
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公开(公告)号：US08928005B2
公开(公告)日：2015-01-06
申请号：US13381348
申请日：2010-07-02
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。
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公开(公告)号：US08901591B2
公开(公告)日：2014-12-02
申请号：US13811933
申请日：2011-07-15
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）。
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公开(公告)号：US20130207146A1
公开(公告)日：2013-08-15
申请号：US13811996
申请日：2011-07-15
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。
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公开(公告)号：US20130277698A1
公开(公告)日：2013-10-24
申请号：US13811933
申请日：2011-07-15
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。
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公开(公告)号：US20120319155A1
公开(公告)日：2012-12-20
申请号：US13580791
申请日：2011-01-27
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。
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公开(公告)号：US20120104448A1
公开(公告)日：2012-05-03
申请号：US13381348
申请日：2010-07-02
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。
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公开(公告)号：US20130285104A1
公开(公告)日：2013-10-31
申请号：US13979554
申请日：2012-01-05
IPC分类号： H01L33/26
CPC分类号： H01L33/26 , C09K11/0883 , C09K11/7734 , C09K11/7774 , H01L33/501 , H01L33/504 , H01L2224/48091 , H01L2224/73265 , H01L2924/181 , H01L2924/00012 , H01L2924/00014
摘要： Provided is a light-emitting device that has a high emission efficiency, excellent stability and temperature properties, and that generates light having a high color rendering property sufficient for practical use. This semiconductor light-emitting device (1) comprises 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, and is characterized in that the orange phosphor is an Eu-activated α-SiAlON phosphor having an emission spectrum peak wavelength within a range of 595 to 620 nm.
摘要翻译： 本发明提供一种具有高发光效率，优异的稳定性和温度特性的发光装置，能够生成具有足够实用的高显色性的光。 该半导体发光装置（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）和吸收蓝色光的橙色荧光体（13） 蓝色光并发出橙色光，其特征在于，橙色荧光体是发射光谱峰值波长在595〜620nm范围内的Eu激活的α-SiAlON荧光体。
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公开(公告)号：US09570655B2
公开(公告)日：2017-02-14
申请号：US13979554
申请日：2012-01-05
CPC分类号： H01L33/26 , C09K11/0883 , C09K11/7734 , C09K11/7774 , H01L33/501 , H01L33/504 , H01L2224/48091 , H01L2224/73265 , H01L2924/181 , H01L2924/00012 , H01L2924/00014
摘要： Provided is a light-emitting device that has a high emission efficiency, excellent stability and temperature properties, and that generates light having a high color rendering property sufficient for practical use. This semiconductor light-emitting device (1) comprises 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, and is characterized in that the orange phosphor is an Eu-activated α-SiAlON phosphor having an emission spectrum peak wavelength within a range of 595 to 620 nm.
摘要翻译： 本发明提供一种具有高发光效率，优异的稳定性和温度特性的发光装置，能够生成具有足够实用的高显色性的光。 该半导体发光装置（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）和吸收蓝色光的橙色荧光体（13） 蓝色光并发出橙色光，其特征在于，橙色荧光体是发射光谱峰值波长在595〜620nm的范围内的Eu活化的α-SiAlON荧光体。
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公开(公告)号：US09322529B2
公开(公告)日：2016-04-26
申请号：US14122683
申请日：2012-04-02
CPC分类号： F21V9/30 , C09K11/7728 , C09K11/7774 , F21K9/64 , F21Y2101/00 , H01L33/504 , H01L2224/48091 , H01L2224/73265 , H01L2924/181 , H01L2924/00014 , H01L2924/00012
摘要： Provided is a light emitting device with effectively improved color rendering properties. A light emitting device 1 includes: a light source 2 that emits light having the maximum intensity at a predetermined wavelength; a first phosphor (yellow phosphor) 51 that absorbs the light emitted by the light source 2 and outputs fluorescent light having the maximum intensity at a first wavelength which is longer than the predetermined wavelength; and a second phosphor (red phosphor) 52 that absorbs the light emitted by the light source 2 and outputs fluorescent light having the maximum intensity at a second wavelength which is longer than the first wavelength. An absolute value of wavelength dependency of an optical absorption rate of the second phosphor 52 at the first wavelength is set to not more than 0.6%/nm. Accordingly, the color rendering properties of the light emitted by the light emitting device 1 can be effectively improved.
摘要翻译： 提供了一种有效改善显色性能的发光装置。 发光器件1包括：发射具有预定波长的最大强度的光的光源2; 吸收由光源2发出的光的第一荧光体（黄色荧光体）51，并输出比预定波长长的第一波长的具有最大强度的荧光; 以及吸收由光源2发出的光的第二荧光体（红色荧光体）52，并输出比第一波长长的第二波长的具有最大强度的荧光。 将第一荧光体52的第一波长的光吸收率的波长依赖性的绝对值设定为0.6％/ nm以下。 因此，能够有效地提高由发光元件1发出的光的显色性。
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