| 发明名称 |
Illumination optical system and image-taking apparatus |
| 摘要 |
An illumination optical system includes a light source and an optical member disposed in a direction of irradiation of light from the light source. The optical member is made of a particle-containing material with particles having a particle size smaller than 1 mum contained in a base material made of a resin material.
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| 申请公布号 |
US7258457(B2) |
申请公布日期 |
2007.08.21 |
| 申请号 |
US20040989420 |
申请日期 |
2004.11.17 |
| 申请人 |
CANON KABUSHIKI KAISHA |
发明人 |
TENMYO YOSHIHARU |
| 分类号 |
G03B15/02;G03B15/03;C08K3/22;C08K3/36;C08L33/12;F21V5/02;F21V7/22;F21V8/00;G02B3/00;G02B5/02;G02B5/20;G02B6/10;G02B19/00;G02B27/00;G03B15/05;G03B15/06 |
主分类号 |
G03B15/02 |
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