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Vacuum ultraviolet excited green phosphor material and light-emitting device using the same 发明授权

2023-08-26 4040 408K 0

专利信息

申请日期 2025-06-28 申请号 US12099515
公开(公告)号 US7524476B2 公开(公告)日 2009-04-28
公开国别 US 申请人省市代码 全国
申请人 Hisashi Yoshida; Ryo Yoshimatsu
简介 This invention is intended to overcome the problems with conventional phosphor materials, specifically to overcome the problems of insufficient luminance and of color impurity on the screens of color display units when green phosphor materials have blue or red light emission. This invention is intended to provide vacuum ultraviolet excited green phosphor materials that include terbium, gadolinium-doped rare-earth aluminum scandium borate represented by the following general formula : (Y1-x-yGdxTby)Al3-zScz(BO3)4 (0≦x<0.5, 0


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