Light irradiating device
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United States of America Patent
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Dec 12, 2017
Issued Date -
N/A
app pub date -
Jan 12, 2017
filing date -
Jan 15, 2016
priority date (Note) -
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Abstract
The light irradiating device which irradiates linear light includes: a substrate which is parallel to first and second directions; a plurality of LED light sources which emits light in a third direction intersecting a surface of the substrate; a heat transporting unit which extends in a direction opposite to the third direction from the substrate; a cooling unit which has a heat radiating pin radiating the heat of the heat transporting unit into the air, an LED driver circuit which drives the LED light source; a housing which has an opening sucking and exhausting external air on one surface of the second direction, accommodates the cooling unit and the LED driver circuit, and forms a wind tunnel in an area where the cooling unit and the LED driver circuit are disposed; and a fan which is provided at a side opposite to the third direction of the cooling unit.
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