Patent ID: 6884367

Claim:
A method for producing a silicate phosphor comprising a step of calcining a mixture of metal compounds, wherein the mixture of metal compounds comprises silicon oxide having a BET specific surface area of not less than 10 m 2 /g and a compound of one or more metals selected from the group consisting of Ca, Sr, Ba, Mg, Eu, Mn and Zn, and the silicate phosphor comprises a compound represented by the general formula of mM 1 O·nM 2 O·2SiO 2 (wherein M 1 is one or more elements selected from the group consisting of Ca, Sr and Ba, M 2 is one or more elements selected from the group consisting of Mg and Zn, m is from 0.5 to 3.5, and n is from 0.5 to 2.5), and one or more selected from the group consisting of Eu and Mn as an activating agent.