Light source and projector
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United States of America Patent
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-
Apr 23, 2013
Grant Date -
Sep 29, 2011
app pub date -
Mar 25, 2011
filing date -
Mar 29, 2010
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A light source includes: light-emitting portion having a discharge space in the interior thereof; an arc tube having first and second sealing portions provided on both sides of the light-emitting portion along an optical axis; a reflector arranged so that a center where the optical axis passes is located on the side of the first sealing portion with respect to the light-emitting portion and configured to reflect a luminous flux emitted from the light-emitting portion; and an air flow control unit arranged on the side of the reflector in the direction of the optical axis with respect to inflection points at a connecting portion between the light-emitting portion and the first sealing portion, extending respectively along a plane including the optical axis, and including at least two panel-shaped members extending not in parallel to each other and forming a predetermined angle.
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