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THIOALUMINATE PHOSPHOR MATERIAL WITH A GADOLINIUM CO-ACTIVATOR 发明授权

2023-11-07 3740 629K 0

专利信息

申请日期 2025-07-11 申请号 EP02729686
公开(公告)号 EP1393597B1 公开(公告)日 2005-12-28
公开国别 EP 申请人省市代码 全国
申请人 iFire Technology Corp
简介 A thin film phosphor for an electroluminescent device, in which the phosphor is selected from the group consisting of thioaluminates, thiogallates and thioindates having at least one cation selected from elements of Groups IIA and IIB of the Periodic Table of Elements. The phosphor is activated by a rare earth metal and co-activated with gadolinium. The phosphor provides improved luminance. An electroluminescent device comprising the thin film phosphor on a substrate is also described. Further aspects provide an electroluminescent device in which the thin film phosphor is adjacent to a thin film of zinc sulphide, preferably sandwiched between thin films of zinc sulphide.


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