Illumination device having elliptical body and display device using the same
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United States of America Patent
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Feb 3, 2009
Grant Date -
Mar 23, 2006
app pub date -
Aug 23, 2005
filing date -
Aug 25, 2004
priority date (Note) -
In Force
status (Latency Note)
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Abstract
An illumination device for emitting light includes a light incident body having a first end portion that has a light incident surface on which light from a light source is incident, a second end portion, and an outer oval-shaped surface portion interconnection the first and second end portions. A light guide plate is optically coupled to the second end portion of the light incident body and has a light emitting surface through which light that propagates through the light incident body is emitted. The light guide plate and the light incident body are integrally formed and may comprise a one-piece body. A display device utilizes the illumination device for illuminating a display element of the non-self light emitting type.
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