Backlight module
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United States of America Patent
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Apr 30, 2013
Grant Date -
Sep 16, 2010
app pub date -
Dec 10, 2009
filing date -
Mar 13, 2009
priority date (Note) -
Expired
status (Latency Note)
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Abstract
An exemplary backlight module includes a light guiding plate, a light source, and a light guiding bar. The light guiding plate includes a light incident surface and a light emitting surface. The light guiding bar includes a light incident surface and a light emitting surface. The light incident surface of the light guiding bar faces the light source. The light source is configured for emitting light along a lengthwise direction of the light guiding bar. The light emitting surface of the light guiding bar is opposite to the light incident surface of the light guiding plate. The light emitting surface of the light guiding bar has a larger length than that of the light incident surface of the light guiding plate. Thus two opposite end portions of the light emitting surface of the light guiding bar is offset across from the light incident surface of the light guiding plate.
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