NITRIDE PHOSPHOR AND METHOD FOR PRODUCING SAME
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United States of America Patent
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Aug 22, 2024
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Apr 18, 2024
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Mar 30, 2021
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Abstract
Provided a method for producing a nitride phosphor. The method includes preparing a mixture that comprises a first nitride and a cerium source, the first nitride comprising, as a host crystal, a crystal having the same crystal structure as CaAlSiN3; and performing a heat treatment of the mixture at a temperature of 1,300° C. to 1,900° C. to obtain a second nitride. The first nitride comprises aluminum, silicon, nitrogen, and at least one selected from the group consisting of lithium, calcium, and strontium.
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