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    • 5. 发明专利
    • Phosphor for near ultraviolet-excited light emitting element
    • 用于近紫外激发光发射元件的磷光体
    • JP2009227700A
    • 2009-10-08
    • JP2008071108
    • 2008-03-19
    • Niigata UnivSumitomo Chemical Co Ltd住友化学株式会社国立大学法人 新潟大学
    • TODA KENJIUEMATSU KAZUYOSHISATO MINEOITO YUTAKAUMEDA TETSU
    • C09K11/71C09K11/08H01L33/00H01L33/50
    • C09K11/7738H01J61/44H01L33/502
    • PROBLEM TO BE SOLVED: To provide a near-ultraviolet excited light emitting element with high light emission intensity and a novel phosphor suitable for the element. SOLUTION: In the phosphor for the near ultraviolet-excited light emitting element, a part of an element M 1 and/or an element M 2 in a compound represented by a formula (1) is substituted by an activation element (M 3 ). In the formula: M 1 a M 2 b P c O 15 (1), M 1 represents one or more kinds selected from a group consisting of Ca, Sr and Ba, M 2 represents one or more kinds selected from a group consisting of Mg and Zn, (a) is a value of 1.5-2.5, (b) is a value of 2.5-3.5, and (c) is a value of 3.5-4.5. The phosphor wherein M 1 is Sr and M 2 is Mg, the phosphor wherein M 3 is Eu, a phosphor paste containing the above phosphor, and the near ultraviolet-excited light emitting element containing the above phosphor are also provided. COPYRIGHT: (C)2010,JPO&INPIT
    • 要解决的问题:提供具有高发光强度的近紫外激发发光元件和适用于元件的新型荧光体。 解决方案:在用于近紫外激发发光元件的荧光体中,所表示的化合物中的元素M 1 和/或元素M 2 的一部分 通过式(1)由活化元件(M 3 )代替。 在公式中:M 1 a M 2 b > 15 (1)中,M 1 表示选自Ca,Sr和Ba中的一种或多种,​​M 2表示一种或多种 (a)为1.5〜2.5,(b)为2.5〜3.5的值,(c)为3.5〜4.5的数值。 其中M 1 的荧光体是Sr,M 2 是Mg,其中M SP 3的荧光体是Eu,含有上述荧光体的荧光体膏, 并且还提供了含有上述荧光体的近紫外激发发光元件。 版权所有(C)2010,JPO&INPIT