申请日期 | 2025-06-24 | 申请号 | EP99970782 |
公开(公告)号 | EP1048049B1 | 公开(公告)日 | 2007-01-03 |
公开国别 | EP | 申请人省市代码 | 全国 |
申请人 | Koninklijke Philips Electronics N V | ||
简介 | A luminescent material includes erbium, gadolinium and an activator chosen from the rare earth elements and/or the transition metals. Upon excitation with radiation having a short enough wavelength, the luminescent material acts as a quantum cutter and has a quantum efficiency of more than 100%. |
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