Grirem Advanced Materials Co., Ltd.

General Research Institute for Nonferrous Metals

Xiaofang Zhou

Qian Ma

Ronghui Liu

Yuanhong Liu

Chunlei Zhao

Xiaowei Huang

Huaqiang He

Huibing Xu

The present disclosure relates to a fluorescent powder and a light-emitting device including the same. The fluorescent powder includes an inorganic compound. The inorganic compound contains components including an element M, an element A, an element D, an element E, and an element R. The element M is selected from Eu, Ce, Mn, Tb, Dy, and Tm, the element A is selected from Mg, Ca, Sr, and Ba, the element D is selected from B, Al, Ga, In, La, Gd, Sc, Lu, and Y, the element E is selected from Si, Ge, Zr, and Hf, and the element R is at least two elements selected from N, O, F, and Cl. In a powder X-Ray Diffraction (XRD) spectrum with CoK&#x3b1; radiation, the inorganic compound at least has diffraction peaks within ranges of an Bragg angle (2&#x3b8;) from 27.3&#xb0; to 28.3&#xb0;, 29.7&#xb0; to 30.7&#xb0;, 41.9&#xb0; to 42.9&#xb0;, and 43.5&#xb0; to 44.5&#xb0;.

Fluorescent powder and light-emitting device including the same

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Beijing, China

Xiaofang Zhou