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二硫代镓酸盐磷光体以及使用彼的发白光装置

申请公布号:TWI387636

申请号:TW095108791

申请日期:2006.03.15

申请公布日期:2013.03.01

申请人:
首尔半导体股份有限公司 南韩

发明人:金京南;朴祥美;松冈富造

分类号:C09K11/77;H01L33/00

主分类号:C09K11/77

代理人:詹铭文 台北市中正区罗斯福路2段100号7楼之1;萧锡清 台北市中正区罗斯福路2段100号7楼之1

地址:南韩

摘要:本发明关于二硫代镓酸盐磷光体,其被紫外光或蓝光激发而发出较该紫外光或蓝光的波长更长波长的光。本发明磷光体以下通式表示:;(A1-x-yEuxM III y)(B2-yM II y)S4,其中0.005<x<0.9,0<y<0.995且x+y<1。此时A为选自Ba,Sr与Ca之至少一元素,B为选自Al,Ga与In之至少一元素,MIII为选自Sc,La,Gd与Lu之至少一稀土族元素,MII为选自Mg,Zn与Be之至少一元素。因而可提高发光效率,相对于通式为AB2S4:Eu之二硫代镓酸盐磷光体而言。

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