发明名称 |
ILLUMINATION SYSTEM WITH LIGHT SOURCE, RADIATION CONVERTING ELEMENT AND FILTER |
摘要 |
The invention relates to an illumination system comprising 1) a light source arranged to emit primary radiation, 2) a radiation converting element arranged to convert at least part of the primary radiation into secondary radiation, and 3) a filter arranged to block radiation generated in the illumination system having a wavelength shorter than a certain cut-off wavelength. According to the invention, the filter is designed to block a part of the secondary radiation by having arranged the cut-off wavelength of the filter in the emission spectrum of the radiation converting element. Illumination devices according to this design show emission spectra with small bandwidth. |
申请公布号 |
EP2652805(B1) |
申请公布日期 |
2016.11.23 |
申请号 |
EP20110807762 |
申请日期 |
2011.12.12 |
申请人 |
KONINKLIJKE PHILIPS N.V.;PHILIPS INTELLECTUAL PROPERTY & STANDARDS GMBH |
发明人 |
SHCHEKIN, OLEG, BORISOVICH;RONDA, CORNELIS, REINDER |
分类号 |
H01L33/44;H01L33/50 |
主分类号 |
H01L33/44 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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