发明名称 |
ILLUMINATION OPTICAL SYSTEM AND METHOD OF MANUFACTURING ILLUMINATION OPTICAL SYSTEM |
摘要 |
A compact illumination optical system manufactured at reasonable cost can be provided. The illumination optical system can include: a light source for emitting a light beam; a hologram element for converting the light beam emitted from the light source to reproduced light having a predetermined shape of light distribution and a predetermined luminance distribution; a fluorescent plate containing a fluorescent material for emitting visible light by absorbing the reproduced light emitted from the hologram element and entering the fluorescent material; and a lens for projecting forward the visible light emitted from the fluorescent plate. |
申请公布号 |
US2012212933(A1) |
申请公布日期 |
2012.08.23 |
申请号 |
US201213400914 |
申请日期 |
2012.02.21 |
申请人 |
TOKO YASUO |
发明人 |
TOKO YASUO |
分类号 |
F21V9/16;G02B5/32;G03H1/08 |
主分类号 |
F21V9/16 |
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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