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Li-containing α-sialon-based phosphor particle, production method thereof, lighting device, and image display device
Li-containing α-sialon-based phosphor particle, production method thereof, lighting device, and image display device
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机译:含Li的α-赛隆系荧光体粒子,其制造方法,照明装置以及图像显示装置
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摘要
An Li-containing α-sialon phosphor particle by mixing a silicon nitride or nitrogen-containing silicon compound powder, an AlN-containing aluminum source, an Li source and an Eu source, firing the mixture at 1,500 to 1,800° C. in a nitrogen-containing inert gas atmosphere under atmospheric pressure to obtain a lithium-containing α-sialon powder working out to a starting material, adding and mixing an additional lithium source to the powder, and re-firing the obtained mixture at a temperature lower than the above firing temperature or at a temperature of 1,100° C. to less than 1,600° C., at 1,100° C. to less than 1,600° C., in a nitrogen-containing inert gas atmosphere under atmospheric pressure.
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