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Phosphor emitting blue light

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专利汇可以提供Phosphor emitting blue light专利检索,专利查询,专利分析的服务。并且PURPOSE: To provide a blue light-emitting phosphor having high luminance under electric current and excellent temperature characteristic, prepared by activating a matrix consisting of Sr, Ca or Ba and Mg-contg. silicate with divalent Eu.
CONSTITUTION: The phosphor is prepared by activating a matrix consisting of a silicate of formula, M
3 Mg Si
2 O
3 (where M is Sr, Ca or Ba) with 0.1W10mol% of divalent Eu per mol of matrix. The phosphor emits blue light which has a y value of less than 0.1 on a CIE chromaticity diagram. It does not cause saturation of luminance under a sufficiently high current density and has excellent high temperature properties. Even when used for a high- brightness cathode ray tube for projectors, is does not cause unbalance of white color due to saturated luminance. It also does not lose balance of white color as a result of optical quenching at elevated temperature in prolonged continuous use and produces high quality color images.
COPYRIGHT: (C)1986,JPO&Japio,下面是Phosphor emitting blue light专利的具体信息内容。

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