| 摘要 |
PROBLEM TO BE SOLVED: To provide a linear lighting device that increases a light amount from a slit part. SOLUTION: A light-incident face 17a of a lens 17 is protruded further internally in a hollow part 2 than the inner face 6 of the hollow part 2. Consequently, it increases a light amount emitted to the outside through the lens 17. COPYRIGHT: (C)2008,JPO&INPIT
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