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    • 5. 发明授权
    • Fluorescent body for use in a near-ultraviolet excitation light-emitting element
    • 用于近紫外激发发光元件的荧光体
    • US08017039B2
    • 2011-09-13
    • US12933359
    • 2009-03-18
    • Kenji TodaKazuyoshi UematsuMineo SatoTetsu UmedaYutaka Ito
    • Kenji TodaKazuyoshi UematsuMineo SatoTetsu UmedaYutaka Ito
    • C09K11/08C09K11/70
    • C09K11/7738H01J61/44H01L33/502
    • Provided is a fluorescent body for use in a near-ultraviolet excitation light-emitting element, comprising the compound given by formula (1), having part of element M1 and/or M2 therein replaced by an activation element (M3). M1aM2bPcO15(1) (Here, M1 represents one or more elements chosen from the group comprising Ca, Sr, and Ba; M2 represents one or more elements chosen from the group comprising Mg and Zn; a is a number between 1.5 and 2.5, inclusive; b is a number between 2.5 and 3.5, inclusive; and c is a number between 3.5 and 4.5, inclusive.) A fluorescent body in which M1 is Sr and M2 is Mg, and a fluorescent body in which M3 is Eu are preferable. Also provided are a fluorescent paste having the fluorescent body, and a near-ultraviolet excitation light-emitting element having the fluorescent body and having a high luminescent intensity.
    • 提供一种用于近紫外激发发光元件的荧光体,其包含由式(1)给出的化合物,其中元素M1和/或M2的一部分由激活元件(M3)代替。 M1aM2bPcO15(1)(这里,M1表示选自Ca,Sr和Ba的一种或多种元素; M2表示选自Mg和Zn的一种或多种元素; a是介于1.5和2.5之间的数,包括 b是2.5和3.5之间的数字,包括端值在内; c是3.5和4.5之间的数字,包括端值。)M1是Sr和M2是Mg的荧光体和M3是Eu的荧光体是优选的。 还提供了具有荧光体的荧光膏和具有荧光体并且具有高发光强度的近紫外激发发光元件。
    • 8. 发明申请
    • FLUORESCENT BODY FOR USE IN A NEAR-ULTRAVIOLET EXCITATION LIGHT-EMITTING ELEMENT
    • 用于近紫外激发发光元件的荧光体
    • US20110012060A1
    • 2011-01-20
    • US12933359
    • 2009-03-18
    • Kenji TodaKazuyoshi UematsuMineo SatoTetsu UmedaYutaka Ito
    • Kenji TodaKazuyoshi UematsuMineo SatoTetsu UmedaYutaka Ito
    • C09K11/71
    • C09K11/7738H01J61/44H01L33/502
    • Provided is a fluorescent body for use in a near-ultraviolet excitation light-emitting element, comprising the compound given by formula (1), having part of element M1 and/or M2 therein replaced by an activation element (M3). M1aM2bPcO15(1) (Here, M1 represents one or more elements chosen from the group comprising Ca, Sr, and Ba; M2 represents one or more elements chosen from the group comprising Mg and Zn; a is a number between 1.5 and 2.5, inclusive; b is a number between 2.5 and 3.5, inclusive; and c is a number between 3.5 and 4.5, inclusive.) A fluorescent body in which M1 is Sr and M2 is Mg, and a fluorescent body in which M3 is Eu are preferable. Also provided are a fluorescent paste having the fluorescent body, and a near-ultraviolet excitation light-emitting element having the fluorescent body and having a high luminescent intensity.
    • 提供一种用于近紫外激发发光元件的荧光体,其包含由式(1)给出的化合物,其中元素M1和/或M2的一部分由激活元件(M3)代替。 M1aM2bPcO15(1)(这里,M1表示选自Ca,Sr和Ba的一种或多种元素; M2表示选自Mg和Zn的一种或多种元素; a是介于1.5和2.5之间的数,包括 b是2.5和3.5之间的数字,包括端值在内; c是3.5和4.5之间的数字,包括端值。)M1是Sr和M2是Mg的荧光体和M3是Eu的荧光体是优选的。 还提供了具有荧光体的荧光膏和具有荧光体并且具有高发光强度的近紫外激发发光元件。
    • 9. 发明申请
    • SILICATE-BASED PHOSPHOR AND MANUFACTURING METHOD OF SILICATE-BASED PHOSPHOR
    • 基于硅酸盐的磷光体和基于硅酸盐的磷的制造方法
    • US20130026414A1
    • 2013-01-31
    • US13640412
    • 2011-04-12
    • Kenji TodaMineo SatoKazuyoshi UematsuTadashi IshigakiHideo SudaEtsuko MinegishiYoshiaki Kudo
    • Kenji TodaMineo SatoKazuyoshi UematsuTadashi IshigakiHideo SudaEtsuko MinegishiYoshiaki Kudo
    • C09K11/79
    • C09K11/7734
    • There are provide a silicate-based phosphor excellent in emission intensity and a manufacturing method of the same. A manufacturing method of a silicate-based phosphor is characterized by: introducing in a vessel raw material powders having a compound containing light-emitting ions selected from at least one of Eu, Ce, Mn, and Tb; and firing the raw material powders while supplying SiOx (0.5≦x≦1.9, preferably, 0.8≦x≦1.2) in a gas phase. The raw material powders preferably further contains at least one of an alkali metal compound, an alkaline-earth metal compound, a magnesium compound, and a rare-earth compound. The silicate-based phosphor is preferably M2SiO4:Eu2+ (wherein M is one or more selected from a group consisting of Ca, Sr and Ba). The firing is preferably performed by supplying the SiOx to the raw material powders in a gas atmosphere at a temperature of 1200 to 1700° C. and subjecting the raw material powders to a gas-solid phase reaction at a temperature of 700 to 1700° C.
    • 提供了发光强度优异的硅酸盐系荧光体及其制造方法。 硅酸盐系荧光体的制造方法的特征在于,在容器内导入具有选自Eu,Ce,Mn,Tb中的至少一种的发光离子的化合物的原料粉末; 并在气相中供给SiOx(0.5& NlE; x≦̸ 1.9,优选0.8和nlE; x≦̸ 1.2)的同时焙烧原料粉末。 原料粉末优选还含有碱金属化合物,碱土金属化合物,镁化合物和稀土类化合物中的至少一种。 硅酸盐系荧光体优选为M2SiO4:Eu2 +(其中M为选自Ca,Sr和Ba中的一种或多种)。 焙烧优选通过在气氛气氛中在1200〜1700℃的温度下向原料粉末供给SiO x,并在700〜1700℃的温度下对原料粉末进行气 - 固相反应 。
    • 10. 发明申请
    • FLUORESCENT SUBSTANCE FOR LIGHT-EMITTING DIODE
    • 荧光物质用于发光二极管
    • US20090085009A1
    • 2009-04-02
    • US11575386
    • 2006-04-04
    • Kenji TodaMineo SatoKazuyoshi UematsuShinichiro KousakaYoshitaka Kawakami
    • Kenji TodaMineo SatoKazuyoshi UematsuShinichiro KousakaYoshitaka Kawakami
    • C09K11/59
    • H05B33/14C09K11/7734C09K11/7774H01L33/502
    • A novel fluorescent substance for a light-emitting diode, emitting light of any one of three primary colors by excitation of an ultraviolet light-emitting diode. Alternatively, a novel fluorescent substance for a light-emitting diode, emitting light in a red region of a spectrum by excitation of a blue light-emitting diode. Na2SrSi2O6 is doped with Eu3+. Preferably, Eu3+ is added so as to account for 1 to 80 mol % in concentration in a host crystal, while sites of Si4+ in Na2SrSi2O6. are replaced by Al3+ and/or Ga3+. Alternatively, Ca3Si2O7 is doped with Ce3+ and Tb3+. Preferably, Ce3+ and Tb3+ are added so as to account for 0.1 to 80 mol % and 0.1 to 20 mol % in concentration in a host crystal, respectively. Still alternatively, Ca3Si2O7 is doped with Eu2+. Preferably, Eu2+ is added so as to account for 0.5 to 10 mol % in concentration in the host crystal.
    • 一种用于发光二极管的新型荧光物质,通过激发紫外发光二极管发射三原色中的任一种的光。 或者,用于发光二极管的新型荧光物质,通过蓝色发光二极管的激发在光谱的红色区域中发光。 Na2SrSi2O6掺杂Eu3 +。 优选添加Eu 3+,以使主体晶体中的浓度为1〜80摩尔%,而Na 2 S 6 Si 2 O 6中的Si 4+的位置。 被Al3 +和/或Ga3 +代替。 或者,Ca 3 Si 2 O 7掺杂有Ce 3+和Tb 3+。 优选分别加入Ce3 +和Tb3 +,使其在主晶体中的浓度分别为0.1〜80mol%和0.1〜20mol%。 或者,Ca 3 Si 2 O 7掺杂有Eu 2+。 优选加入Eu 2+以使其在主晶体中的浓度为0.5〜10摩尔%。