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US 2009/0023015 A1Published application
Luminescent material
AssigneeKabushiki Kaisha Toshiba
InventorRyosuke Hiramatsu
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Abstract
A luminescent material is provided, which comprises a crystalline phase including Y, Si, O and N, and an activator comprising Tb and Ce.
Claims21
An yttrium silicon oxynitride luminescent material comprising:
- a crystalline phase including Y, Si, O and N;
- and
- an activator comprising Tb and Ce.
An yttrium silicon oxynitride luminescent material comprising:
- a crystalline phase including Y, Si, O, N and M, M being at least one selected from a group consisting of La, Gd and Lu;
- and
- an activator comprising Tb and Ce.
Dependencies are inferred from the claim text.