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    • 5. 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 。
    • 6. 发明授权
    • Phosphor and light emitting device
    • 荧光粉和发光装置
    • US08816377B2
    • 2014-08-26
    • US13818766
    • 2011-11-28
    • Kenji TodaTadashi Ishigaki
    • Kenji TodaTadashi Ishigaki
    • H01L33/00C09K11/77H05B33/14H01L33/50
    • C09K11/7701C09K11/7792C09K11/7793H01L33/502H01L33/507H01L2224/45144H01L2224/48091H05B33/14H01L2924/00014H01L2924/00
    • The present invention provides a phosphor emitting green fluorescence when being effectively excited by excitation light in a wavelength range from blue light to near-ultraviolet light, having an emission intensity that does not vary significantly with variation in the wavelength of the excitation light, and being manufactured easily. The phosphor includes a chemical structure represented by the following general formula (A): A(M1-a-xEuaMnx)L(Si1-bGeb)2O7,  (A), where A is one or more elements selected from Li, Na, and K, M is one or more elements selected from Mg, Ca, Sr, Ba, and Zn, L is one or more elements selected from Ga, Al, Sc, Y, La, Gd, and Lu, a is a numerical value satisfying 0.001≦a≦0.3, b is a numerical value satisfying 0≦b≦0.5, and x is a numerical value satisfying 0≦x≦0.2.
    • 本发明提供一种发射绿色荧光的荧光体,其在由蓝光到近紫外光的波长范围内的激发光有效地激发,其发射强度随着激发光的波长的变化而不显着变化,并且是 制造容易。 荧光体包括由以下通式(A)表示的化学结构:A(M1-a-xEuaMnx)L(Si1-bGeb)2O7,(A)其中A是选自Li,Na和 K,M是选自Mg,Ca,Sr,Ba和Zn中的一种或多种元素,L是选自Ga,Al,Sc,Y,La,Gd和Lu中的一种或多种元素,a是满足 0.001≦̸ a≦̸ 0.3 b是满足0≦̸ b≦̸ 0.5的数值,x是满足0≦̸ x≦̸ 0.2的数值。
    • 7. 发明授权
    • Silicate-based phosphor and manufacturing method of silicate-based phosphor
    • 硅酸盐系磷光体及其制造方法
    • US08734680B2
    • 2014-05-27
    • US13640412
    • 2011-04-12
    • Kenji TodaMineo SatoKazuyoshi UematsuTadashi IshigakiHideo SudaEtsuko MinegishiYoshiaki Kudo
    • Kenji TodaMineo SatoKazuyoshi UematsuTadashi IshigakiHideo SudaEtsuko MinegishiYoshiaki Kudo
    • C01B33/24C09K11/08C09K11/66
    • 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 。