| 简介 |
Provided are an LED red fluorescent material and a lighting device having same. The florescent material consists of elements M, A, D, X, L and Z, wherein element M at least contains one or more than one element of Be, Mg, Ca, Sr, Ba and Zn; element A at least contains one or more than one element of B, Al, Ga, In, La, Gd, Lu, Sc and Y; element D at least contains one or more than one element of Si, Ge, C, Sn, Ti, Zr and Hf; element X at least contains one or more than one element of N, O and F; element L at least contains one or more than one element of S, Se and Te; and element Z at least contains one or more than one element of a rare-earth element or a transition-metal element. The fluorescent material in the present invention has features of high lighting efficiency, good temperature properties, wide half-width and so on and can be independently used or used in combination with other fluorescent materials to prepare high-performance lighting devices. |
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