发明名称 |
Light guide film, and light guide |
摘要 |
The invention relates to a light guide film that can take in sunlight or the like for easy guidance of the light to any desired site. The light guide film comprises a flexible transparent film 1 that is provided with entrance means 2 on one side of a part 11 of its longitudinal portion and exit means 2 on one side of other part 12. An intermediate portion 13 between the parts 11 and 12 remains smooth on both sides. Light introduced from the entrance means 2 of the part 11 into the transparent film 1 is guided via the intermediate portion 13 to the exit means 2 of the part 12, from which the light is emitted. <IMAGE> |
申请公布号 |
EP1355174(A3) |
申请公布日期 |
2004.01.21 |
申请号 |
EP20030252454 |
申请日期 |
2003.04.17 |
申请人 |
FUJI PHOTO FILM CO., LTD. |
发明人 |
USAMI, YOSHIHISA |
分类号 |
F21S11/00;F21V8/00;G02B6/00;G02B6/42;(IPC1-7):G02B6/00 |
主分类号 |
F21S11/00 |
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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