| 申请日期 | 2025-07-07 | 申请号 | US12679030 |
| 公开（公告）号 | US20100237361A1 | 公开（公告）日 | 2010-09-23 |
| 公开国别 | US | 申请人省市代码 | 全国 |
| 申请人 | Ryo Sakai; Tsutomu Ishii; Yasuhiro Shirakawa; Masahiko Yamakawa; Yumi Ito | ||
| 简介 | A white light emitting lamp 1 includes a phosphor layer 5 which emits white light by being excited by light emitted from a semiconductor light emitting element 2. A transparent resin layer 4 is interposed between the semiconductor light emitting element 2 and the phosphor layer 5. The phosphor layer 5 contains, as a green phosphor, a rare earth borate phosphor activated by trivalent cerium and terbium. | ||
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