Light-emitting unit
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United States of America Patent
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Apr 30, 2013
Grant Date -
Jan 20, 2011
app pub date -
Apr 28, 2009
filing date -
Apr 30, 2008
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A light-emitting unit having an arrayed light source comprises a substrate; an arrayed light source group containing the arrayed light source arranged in a first direction; a lens array for focusing the light emitted from light emitting elements constituting the arrayed light source; and a lens support having a cavity formed between arrayed light source group and the lens array; the lens support having a first hole for introducing a fluid into the cavity, and a second hole for discharging the introduced fluid in a second direction crossing the first direction.
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