Lithium borosilicate phosphors
US5674430A · kind A · utility
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6Claims
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Key dates
| Filing date | Oct 1, 1996 |
| Grant date | Oct 7, 1997 |
| Priority date | — |
| Expiry date | Oct 1, 2016 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC09K11/7755
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
A phosphor comprising a host consisting essentially of lithium borosilicate having the general formula Li.sub.x Mg.sub.y B.sub.2 Si.sub.6 O.sub.z F.sub.w, where x can be 2 or 6, y can be 6 or 4, z can be 19.75 or 20 and w can be 4 or 4.5, and at least one activator selected from the group consisting of vanadium, europium, manganese, cerium and terbium.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.