US 7,514,020 B2
Silicophosphate-based phosphor and light-emitting device including the same
Xiaoqing Zeng, Yongin-si (Korea, Republic of); Seoung-jae Im, Seoul (Korea, Republic of); and Hyung-kun Kim, Suwon-si (Korea, Republic of)
Assigned to Samsung Electro-Mechanics Co., Ltd., (Korea, Republic of)
Filed on Jul. 06, 2006, as Appl. No. 11/481,272.
Claims priority of application No. 10-2005-0060879 (KR), filed on Jul. 06, 2005.
Prior Publication US 2007/0012936 A1, Jan. 18, 2007
Int. Cl. C09K 11/71 (2006.01); C09K 11/59 (2006.01)
U.S. Cl. 252—301.4F  [252/301.4  P; 313/503; 313/486; 313/487; 257/98] 12 Claims
OG exemplary drawing
 
1. A silicophosphate-based phosphor of Formula 1:
(Sr (1-x-y-a-b-c) BaaCabMgcEuxMny)4Si(PO4)4  (1)
where 0<x≤0.2, 0<y≤0.2, 0≤a≤0.2, 0≤b≤0.5, and 0≤c≤0.5.