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    • 1. 发明申请
    • BETA TYPE SIALON FLUORESCENT SUBSTANCE
    • BETA型SIALON荧光物质
    • US20090050845A1
    • 2009-02-26
    • US11914272
    • 2006-05-10
    • Naoto HirosakiHideyuki EmotoMasahiro Ibukiyama
    • Naoto HirosakiHideyuki EmotoMasahiro Ibukiyama
    • C09K11/80
    • C09K11/0883C09K11/7734Y02B20/181
    • A β type Sialon fluorescent substance is disclosed that is capable of achieving enhanced brightness of a white light emitting diode using blue to ultraviolet light as a light source. In the fluorescent substance which contains not less than 90% by mass of a β type Sialon composition represented by general formula: Si6-zAlzOzN8-z as a host material wherein z is not less than 0.24 and not more than 0.42, Eu is present dissolved in solid solution as a luminescent center at a content of 0.05 to 0.2% by atom. The β type Sialon fluorescent substance is preferably in the form of a powder having an average particle size of not less than 1 μm and not more than 20 μm. A white LED of good luminescent characteristics can be obtained by using a blue or ultraviolet light emitting diode as a excitation light source in combination with a fluorescent substance that emits yellow or red light.
    • 公开了一种β型赛隆荧光物质,其能够实现使用蓝色至紫外光作为光源的白色发光二极管的增强的亮度。 在含有不少于90质量%的由通式Si 6-z Al z O z N 8-z表示的β型Sialon组合物作为主体材料的荧光物质中,其中z不小于0.24且不大于0.42,Eu存在溶解 作为发光中心的固溶体,含量为0.05〜0.2原子%。 β型赛隆荧光物质优选为平均粒径不小于1μm且不大于20μm的粉末形式。 通过使用蓝色或紫外线发光二极管作为激发光源与发出黄色或红色光的荧光物质组合,可以获得良好发光特性的白色LED。
    • 4. 发明授权
    • β type sialon fluorescent substance
    • &bgr 型赛隆荧光物质
    • US08003011B2
    • 2011-08-23
    • US11914272
    • 2006-05-10
    • Naoto HirosakiHideyuki EmotoMasahiro Ibukiyama
    • Naoto HirosakiHideyuki EmotoMasahiro Ibukiyama
    • C09K11/64
    • C09K11/0883C09K11/7734Y02B20/181
    • A β type Sialon fluorescent substance is disclosed that is capable of achieving enhanced brightness of a white light emitting diode using blue to ultraviolet light as a light source. In the fluorescent substance which contains not less than 90% by mass of a β type Sialon composition represented by general formula: Si6-zAlzOzN8-z as a host material wherein z is not less than 0.24 and not more than 0.42, Eu is present dissolved in solid solution as a luminescent center at a content of 0.05 to 0.2% by atom. The β type Sialon fluorescent substance is preferably in the form of a powder having an average particle size of not less than 1 μm and not more than 20 μm. A white LED of good luminescent characteristics can be obtained by using a blue or ultraviolet light emitting diode as a excitation light source in combination with a fluorescent substance that emits yellow or red light.
    • A&bgr 公开了能够实现使用蓝色至紫外光作为光源的白色发光二极管的增强亮度的型号赛隆荧光物质。 在含有不少于90质量%的&bgr的荧光物质中, 由通式Si 6-z Al z O z N 8-z表示的Sialon组合物作为主体材料,其中z不小于0.24且不大于0.42,Eu以0.05-0.2%的含量溶解在作为发光中心的固溶体中,Eu以0.05-0.2%的含量存在 原子。 &bgr 赛隆型荧光物质优选为平均粒径为1μm以上且20μm以下的粉末状。 通过使用蓝色或紫外线发光二极管作为激发光源与发出黄色或红色光的荧光物质组合,可以获得良好发光特性的白色LED。
    • 7. 发明授权
    • Light-emitting device
    • 发光装置
    • US08674392B2
    • 2014-03-18
    • US13580791
    • 2011-01-27
    • Kenichi YoshimuraHiroshi FukunagaKohsei TakahashiNaoto Hirosaki
    • Kenichi YoshimuraHiroshi FukunagaKohsei TakahashiNaoto Hirosaki
    • H01L33/00
    • H01L33/504C09K11/0883C09K11/64C09K11/7734C09K11/7792H01L2224/48091H01L2224/73265H01L2924/181H05B33/14Y02B20/181H01L2924/00012H01L2924/00014
    • 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)
    • 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。