Method for producing β-sialon fluorescent material
US10385267B2 · kind B2 · utility
2Cited by
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18Claims
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Key dates
| Filing date | Dec 14, 2016 |
| Grant date | Aug 20, 2019 |
| Priority date | — |
| Expiry date | Aug 3, 2037 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC09K11/0883
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
A method for producing β-sialon fluorescent material having excellent emission intensity is provided. The method for producing β-sialon fluorescent material includes providing a composition comprising silicon nitride that contains aluminum, an oxygen atom, and europium, heat treating the composition, and contacting the heat-treated composition with a basic substance.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.