Rare earth borate, its precursor, and luminophore made thereof
US6596196B2 · kind B2 · utility
4Cited by
5References
43Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 22, 2000 |
| Grant date | Jul 22, 2003 |
| Priority date | — |
| Expiry date | Dec 22, 2020 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC09K11/7797
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
An improved material in the form of rare-earth borate, its precursor(s) and a luminophore made thereof is provided. The material is characterizable as comprising spherical, cubic or parallelepipedal particles having an average particle size not more than 10 &mgr;m, over a narrow particle size distribution (dispersion index not greater than 0.8). The material may comprise a rare earth element having that lacks luminescence in combination with a dopant.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.