PHOSPHOR AND LIGHT-EMITTING DEVICE USING THE SAME

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A phosphor according to the present disclosure is obtained by adding a rare earth element to a host material having boron, nitrogen, and oxygen as main components, and a composition formula is represented by B(l)O(m)N(n) : Z. Here, B, O, N, and Z indicate boron, oxygen, nitrogen, and the rare earth element, respectively. Moreover, each of l, m, and n indicates element content.