ILLUMINATION DEVICE
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United States of America Patent
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app pub date -
Jan 17, 2013
filing date -
Jan 19, 2012
priority date (Note) -
Abandoned
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Abstract
An illuminating apparatus (100) has: a light source unit (140), which includes a light emitting element (110), and a luminous flux control member (120); a columnar light guide rod (160), which is composed of a transparent material; and a cover (170), which is disposed to cover the light source unit (140) and the light guide rod (160), said cover being disposed with respect to the light source unit (140) and the light guide rod (160) with an air layer therebetween. The light source unit (140) is disposed such that an output surface (126) of the luminous flux control member (120) faces an end surface (162) of the light guide rod (160).
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