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US 2022/0041927 A1Published application
Sulfide phosphor and light-emitting device comprising the same
AssigneeIndustry Academy Cooperation Foundation of Sejong University
InventorsKee-sun SOHN, Min-seuk Kim
Life of this patent
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Abstract
The present invention relates to a sulfide phosphor including a parent body containing one or more selected from Ba, Li, and S, and Al and Ga as constituent elements, wherein one or more activators selected from Eu and Ce are employed to the parent body.
Claims11
A sulfide phosphor comprising
- a parent body containing one or more selected from Ba, Li, and S, and Al and Ga as a constituent element, wherein one or more activators selected from Eu and Ce are employed to the parent body.
A light-emitting device comprising a sulfide phosphor and comprising:
- a light-emitting element which emits excitation light;
- and
- a wavelength-converting unit which absorbs the excitation light and emits visible light,
- wherein the wavelength-converting unit includes a parent body containing one or more selected from Ba, Li, and S, and Al and Ga as a constituent element, wherein one or more activators selected from Eu and Ce are employed to the parent body.
1 more element
Dependencies are inferred from the claim text.