Coated manganese-activated complex fluoride phosphors
US10287491B2 · kind B2 · utility
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12Claims
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Key dates
| Filing date | Mar 20, 2017 |
| Grant date | May 14, 2019 |
| Priority date | — |
| Expiry date | Mar 20, 2037 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01L2924/181
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
A coated phosphor comprises phosphor particles, wherein said phosphor particles comprise manganese-activated complex fluoride phosphors; and a coating on individual ones of said phosphor particles, said coating comprising a layer of carboxylic acid material encapsulating the individual phosphor particles.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.