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    • 68. 发明专利
    • Phosphor composition
    • 磷化合物
    • JP2013072053A
    • 2013-04-22
    • JP2011213828
    • 2011-09-29
    • Kuraray Co Ltd株式会社クラレ
    • IWASAKI HIDEJISUNAGA SHUICHI
    • C09K11/06C09K11/65
    • PROBLEM TO BE SOLVED: To provide a phosphor composition which does not contain rare-earth elements and heavy metals, hardly deteriorates fluorescence quantum yield due to UV rays, can improve the fluorescence quantum yield and, further, conveniently exhibits desired chromaticity.SOLUTION: The phosphor composition comprises an organic phosphor and a B-C-N-O phosphor. In the phosphor composition, UV rays are absorbed by the B-C-N-O phosphor and, therefore, the deterioration in the fluorescence quantum yield of the organic phosphor can be suppressed. The phosphor composition exhibits a fluorescence quantum yield higher than the single fluorescence quantum yield of each of the organic phosphor and B-C-N-O phosphor which are used. Further, by adjusting kinds and amounts of the organic phosphor and B-C-N-O phosphor, the desired chromaticity can be provided conveniently.
    • 要解决的问题为了提供不含稀土元素和重金属的荧光体组合物,几乎不会由于紫外线而导致的荧光量子产率劣化,可以提高荧光量子产率,并且进一步显示出期望的色度。 解决方案:磷光体组合物包含有机磷光体和B-C-N-O荧光体。 在荧光体组合物中,紫外线被B-C-N-O荧光体吸收,因此能够抑制有机荧光体的荧光量子产率的劣化。 荧光体组合物的荧光量子产率高于使用的有机荧光体和B-C-N-O荧光体的单一荧光量子产率。 此外,通过调整有机荧光体和B-C-N-O荧光体的种类和量,可以方便地提供所需的色度。 版权所有(C)2013,JPO&INPIT