Moisture-resistant phosphor and associated method
4+A phosphor material contains encapsulated particles of manganese (Mn) doped fluoride phosphor. A method of encapsulating such particles is also provided. Each particle is encapsulated with a layer of a manganese-free fluoride phosphor. The use of such a phosphor material in a lighting apparatus re...
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| Format: | Patent |
| Sprache: | eng |
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| Zusammenfassung: | 4+A phosphor material contains encapsulated particles of manganese (Mn) doped fluoride phosphor. A method of encapsulating such particles is also provided. Each particle is encapsulated with a layer of a manganese-free fluoride phosphor. The use of such a phosphor material in a lighting apparatus results in improved stability and acceptable lumen maintenance over the course of the apparatus life. |
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