Nitride fluorescent material, method for producing the same, and light emitting device
US10662375B2 · kind B2 · utility
1Cited by
1References
6Claims
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Key dates
| Filing date | Mar 9, 2018 |
| Grant date | May 26, 2020 |
| Priority date | — |
| Expiry date | Mar 9, 2038 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH10H20/0361
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
A method for producing a nitride fluorescent material having high emission luminance can be provided. The method includes heat-treating a raw material mixture containing silicon nitride, silicon, an aluminium compound, a calcium compound, and a europium compound.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.