专利类型发明专利 |
申请类型暂无 |
申请方名称Shigeki Yoshida , Hiroyuki Watanabe , Takayuki Shinohara |
发明人暂无 |
申请号US18154147 |
公开号US11773323B2 |
国际申请暂无 |
申请日2023-01-13 00:00:00 |
主分类号C09K11/77 |
代理机构Hunton Andrews Kurth Llp |
代理人Hunton Andrews Kurth Llp |
公开日2023-10-03 00:00:00 |
优先权JP2022011018 |
进入国家日暂无 |
国际公布日暂无 |
国际申请日暂无 |
地址Anan JP |
检索词暂无 |
1. A fluorescent material comprising : a nitride fluorescent material comprising La, Ce, Si, and N; and a first phosphorus compound disposed on a surface of the nitride fluorescent material, wherein the first phosphorus compound comprises at least one selected from the group consisting of lanthanum phosphate, lanthanum hydrogen phosphate, and hydrates thereof, and wherein a content of phosphorus atoms in the fluorescent material is 0. 07% by mass or higher and 0. 8% by mass or lower.