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Long After-Glow Photoluminescent Material

2025-06-18 05:302080下载
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The present invention provides a photoluminescent material comprising a composition of : aL. bm. cAL. dSi. pP. O. : fR Formula (I) wherein L is selected from Na and/or K; M is a divalent metal selected from one or more of the group consisting of Sr, Ca, Mg and Ba; Al, Si, P and O represent their respective elements; R is selected from one or more rare earth element activators; and wherein the variables a, b, c, d, p and f are : 0.0
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