Projection display device
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United States of America Patent
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-
Mar 5, 2013
Grant Date -
Mar 31, 2011
app pub date -
Jul 30, 2010
filing date -
Sep 29, 2009
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A projection display device includes a light source, a reflector, and a fixing portion. The device further includes a first air supply portion and a second air supply portion; a first air drawing portion which separates the cooling air from the first air supply portion into streams of the cooling air to guide one of the streams into an interior of the reflector in a first direction and to guide the other of the streams to the fixing portion in a second direction; and a second air drawing portion which separates the cooling air from the second air supply portion into streams of the cooling air to guide one of the streams into the interior of the reflector in a third direction and to guide the other of the streams to the fixing portion in a fourth direction.
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