Light emitting device
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United States of America Patent
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Nov 29, 2011
Grant Date -
Jul 1, 2010
app pub date -
Dec 24, 2009
filing date -
Dec 26, 2008
priority date (Note) -
Expired
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Abstract
A light emitting device comprises: a concave mirror having one focal point; a plurality of main light sources each of which is arranged between the focal point and a light reflection surface of the concave mirror, and emits light toward the light reflection surface; and a plurality of main lenses each of which is arranged between a corresponding one of the main light sources and the light reflection surface, refracts the light emitted from the corresponding main light source toward the light reflection surface, and produces a virtual image of the main light source on the focal point situated at a backside of the main light source.
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