客服热线:18202992950

Small [...] and manufacturing method 发明授权

2023-02-10 1320 193K 0

专利信息

申请日期 2026-03-10 申请号 KR1019970047684
公开(公告)号 KR100486464B1 公开(公告)日 2005-04-21
公开国别 KR 申请人省市代码 全国
申请人 OSRAM SYLVANIA INC
简介 A phosphor is of formula (LaxCeyTbz)PO4 (x = 0.73-0.37; y = 0.17-0.45; and z = 0.10-0.18) and has an average particle size of below 4 mu m and a brightness at least as great as that of a second phosphor having the same composition and an average particle size of above 4.5 mu m. Also claimed is the method of making the phosphor by combining (LaxCeyTbz)PO4 boric acid and lithium carbonate and firing at 1200[deg]C for 4 hr. in a reducing atmosphere.


您还没有登录,请登录后查看下载地址


反对 0举报 0 收藏 0 打赏 0评论 0
下载排行
网站首页  |  关于我们  |  联系方式  |  使用协议  |  版权隐私  |  网站地图  |  排名推广  |  广告服务  |  积分换礼  |  网站留言  |  RSS订阅  |  违规举报  |  京ICP备2021025988号-4