| 发明名称 |
ILLUMINATING DEVICE, DISPLAY DEVICE, FINDER DEVICE, AND CAMERA |
| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a compact illuminating device with less optical loss, as well as a display or the like having the illuminating device. <P>SOLUTION: The illuminating device includes a transparent substrate 54 having an incident face 60 for light L2 to enter and an emission face 66 emitting at least part of the incident light. The transparent substrate has a paraboloid 62 reflecting at least part of the light incident from the incident face into the transparent substrate as a parallel light and guiding it to the emission face. <P>COPYRIGHT: (C)2010,JPO&INPIT |
| 申请公布号 |
JP2009259464(A) |
申请公布日期 |
2009.11.05 |
| 申请号 |
JP20080104488 |
申请日期 |
2008.04.14 |
| 申请人 |
NIKON CORP |
发明人 |
KOISHI HIROYUKI |
| 分类号 |
F21S2/00;F21V8/00;F21Y101/02;G02B6/00;G02F1/13;G03B13/06;G03B17/20 |
主分类号 |
F21S2/00 |
| 代理机构 |
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代理人 |
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