Isotopically enriched luminescent materials and methods of making same
US6838020B2 · kind B2 · utility
8Cited by
2References
46Claims
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Inventor
Key dates
| Filing date | Nov 15, 2002 |
| Grant date | Jan 4, 2005 |
| Priority date | — |
| Expiry date | Nov 15, 2022 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC09K11/7789
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
The invention is directed to luminescent materials containing isotopically-enriched atomic elements and methods of making these luminescent materials. Individual embodiments of the invention include isotopically-enriched ZnO:Zn, ZnS:Cu:Cl, Zn2SiO4:Mn, Y2O2S:Eu, Gd2O2S:Tb and CaWO4 phosphors as well as methods of synthesizing these luminescent materials using isotopically-enriched starting materials.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.