| 申请日期 | 2026-03-10 | 申请号 | KR1019970047684 |
| 公开(公告)号 | KR100486464B1 | 公开(公告)日 | 2005-04-21 |
| 公开国别 | KR | 申请人省市代码 | 全国 |
| 申请人 | OSRAM SYLVANIA INC | ||
| 简介 | A phosphor is of formula (LaxCeyTbz)PO4 (x = 0.73-0.37; y = 0.17-0.45; and z = 0.10-0.18) and has an average particle size of below 4 mu m and a brightness at least as great as that of a second phosphor having the same composition and an average particle size of above 4.5 mu m. Also claimed is the method of making the phosphor by combining (LaxCeyTbz)PO4 boric acid and lithium carbonate and firing at 1200[deg]C for 4 hr. in a reducing atmosphere. | ||
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