REFLECTING PLATE FOR FRESNEL LENS AND ILLUMINATION DEVICE
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United States of America Patent
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Issued Date -
Apr 17, 2014
app pub date -
Sep 30, 2013
filing date -
Oct 12, 2012
priority date (Note) -
Abandoned
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Abstract
There is provided a reflecting plate for a Fresnel lens arranged between the Fresnel lens and a light source, the reflecting plate including: a concave reflecting surface to reflect light emitted from the light source toward the Fresnel lens; a unit to position the light source, the unit being provided at a bottom of the concave reflecting surface; and a unit to position the Fresnel lens, the unit being provided at an open end on a side opposite to the bottom of the concave reflecting surface.
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