Coated phosphor and method for producing coated phosphor
US9540563B2 · kind B2 · utility
2Cited by
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11Claims
0Family size
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Key dates
| Filing date | Dec 5, 2012 |
| Grant date | Jan 10, 2017 |
| Priority date | — |
| Expiry date | Dec 5, 2032 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01L2924/181
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
A coated phosphor includes a sulfide phosphor coated with silicon dioxide film. The silicon dioxide film includes a metal oxide powder. The metal oxide powder includes a zinc oxide powder such that less than 20 parts by mass of the zinc oxide powder relative to 100 parts by mass of the sulfide phosphor is blended therein.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.