Shumaker, Loop & Kendrick, LLP
Fluorescent powder and light-emitting device including the same
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 CoKα radiation, the inorganic compound at least has diffraction peaks within ranges of an Bragg angle (2θ) from 27.3° to 28.3°, 29.7° to 30.7°, 41.9° to 42.9°, and 43.5° to 44.5°.
GENERAL RESEARCH INSTITUTE FOR NONFERROUS METALS GRIREM ADVANCED MATERIALS CO., LTD.
H C C C C C C C
H01L C09K C09K C09K C09K C09K C09K C09K
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Yuanhong Huaqiang Huibing Chunlei Xiaofang Xiaowei Ronghui Qian
Liu He Xu Zhao Zhou Huang Liu Ma