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US 2023/0383181 A1Published application
Phosphor ceramic, light-emitting device and manufacturing methods therefor
AssigneeNichia Corporation
InventorTakeshi SADAMOCHI
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Abstract
A method for manufacturing a phosphor ceramic, the method including preparing a precursor including aluminum nitride, and forming the phosphor ceramic by bringing the precursor into contact with a gas containing manganese.
Claims20
A method for manufacturing a phosphor ceramic, the method comprising:
- preparing a precursor comprising aluminum nitride;
- and
- forming the phosphor ceramic by bringing the precursor into contact with a gas containing manganese.
A phosphor ceramic comprising aluminum nitride, yttrium, and manganese, wherein
- a content of oxygen in the phosphor ceramic is less than 2.4 mass %.
Dependencies are inferred from the claim text.