发明申请
- 专利标题: Lighting device and image sensor using the same
- 专利标题(中): 照明装置和图像传感器使用相同
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申请号: US10612933申请日: 2003-07-07
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公开(公告)号: US20040070978A1公开(公告)日: 2004-04-15
- 发明人: Kazuhiro Ando , Yoshikazu Inoue , Motoya Sano , Hiroshi Fukano , Wataru Nara , Akira Ota
- 优先权: JP2002-201747 20020710
- 主分类号: F21V007/00
- IPC分类号: F21V007/00
摘要:
A lighting device includes a light source that illuminates an object of illumination, a reflecting member provided opposite the light source so as to direct a first part of illuminating light emitted therefrom to the object of illumination, and a light-blocking member provided between the light source and the object of illumination and between the reflecting member and the object of illumination. The light-blocking member blocks the first directed part of the illuminating light and a second part of the illuminating light directly illuminating the object of illumination with a certain ratio of a light-blocking rate for the first directed part of the illuminating light to a light-blocking rate for the second directly illuminating part of the illuminating light.
公开/授权文献
- US07033046B2 Lighting device having a light blocking mechanism 公开/授权日:2006-04-25