发明名称 |
LIGHTING DEVICE WITH OPTICAL REFLECTOR, LUMINAIRE HAVING SUCH LIGHTING DEVICE AND METHOD OF MANUFACTURING A COMPACT OPTICAL REFLECTOR |
摘要 |
The invention relates to a lighting device comprising: an optical reflector (200, 500) which has an interior surface (201); and a light source (205, 505); wherein the interior surface has a plurality of facets (203) that form a Fresnel structure-like reflecting surface (202), and the interior surface may further have a cone (504) so as to avoid light from the light source being reflected back to the light source; wherein at least part of the light from the light resource is reflected by the optical reflector into an output direction. The invention also relates to a luminaire which comprises the lighting device according to the invention. The invention further relates to a method of manufacturing an optical reflector for a spot lighting lamp. The method comprises forming (S01) a bowl-like structure that has an opening for emitting light and that has a Fresnel structure on the interior surface of the bowl-like structure. |
申请公布号 |
WO2013182966(A1) |
申请公布日期 |
2013.12.12 |
申请号 |
WO2013IB54555 |
申请日期 |
2013.06.03 |
申请人 |
KONINKLIJKE PHILIPS N.V. |
发明人 |
SUN, LI WEI;YUN, LI;SUN, YANMENG;GUO, QING |
分类号 |
F21V7/00;F21V7/04;F21V7/06;F21V7/10;F21V14/02 |
主分类号 |
F21V7/00 |
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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