Persistent phosphors of alkaline earths modified by halides and 3d ions
US8932486B2 · kind B2 · utility
4Cited by
8References
7Claims
0Family size
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Key dates
| Filing date | Apr 7, 2011 |
| Grant date | Jan 13, 2015 |
| Priority date | — |
| Expiry date | May 14, 2033 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC09K11/77922
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
Phosphorescent compositions including silicate of alkaline earth materials which are modified by at least one halide are provided. The phosphorescent compositions may include 3d ions. A variety of embodiments may be realized. The appearance of some embodiments may be glassy (i.e., vitreous).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.