Phosphor, production method for same, light-emitting device, image display device, pigment, and ultraviolet absorber
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United States of America Patent
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Nov 28, 2017
Grant Date -
Apr 7, 2016
app pub date -
May 13, 2014
filing date -
May 14, 2013
priority date (Note) -
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Abstract
A phosphor having different light emission characteristics from the conventional phosphor, having high emission intensity and chemical and thermal stability, combined with LED of less than 450 nm. This phosphor includes an inorganic compound comprising: a crystal represented by Ba1Si4Al3N9, an inorganic crystal having the same crystal structure as Ba1Si4Al3N9 crystal, or a solid solution crystal thereof, comprising A element, D element, E element, and X element (A is one or more elements selected from Li, Mg, Ca, Sr, Ba, and La; D is one or more elements selected from Si, Ge, Sn, Ti, Zr, and Hf; E is one or more elements selected from B, Al, Ga, In, Sc, and Y; X is one or more elements selected from O, N, and F), into which M element is solid-solved (M is one or more elements selected from Mn, Ce, Pr, Nd, Sm, Eu, Tb, Dy, and Yb).
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