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LIGHT EMITTING DEVICE 发明申请

2023-04-01 2820 1404K 0

专利信息

申请日期 2025-06-25 申请号 US12097741
公开(公告)号 US20090134413A1 公开(公告)日 2009-05-28
公开国别 US 申请人省市代码 全国
申请人 Gundula Roth; Walter Tews; Chung Hoon Lee
简介 The present invention relates to a light emitting device comprising at least one light emitting diode which emits light in a predetermined wavelength region, copper-alkaline earth metal based inorganic mixed crystals activated by rare earths, which include copper-alkaline earth silicate phosphors which are disposed around the light emitting diode and absorb a portion of the light emitted from the light emitting diode and to emit light different in wavelength from the absorbed light.


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