| 摘要 |
PROBLEM TO BE SOLVED: To solve the problem wherein a line LED illuminator in which LEDs are mounted highly densely suffers from nonuniform light greatly since light rays from individual LEDs interfere with one another, and a quantity of light decreases due to diffusion of light emitted from each LED. SOLUTION: The line LED illuminator has a cylindrical acrylic rod above the LEDs mounted highly densely in lines. COPYRIGHT: (C)2009,JPO&INPIT
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