Light guide plate and backlight module including same
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United States of America Patent
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Dec 24, 2013
Grant Date -
Jan 31, 2013
app pub date -
Oct 18, 2011
filing date -
Jul 28, 2011
priority date (Note) -
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Abstract
A backlight module includes a light guide plate and a plurality of light sources. The light guide plate includes a wedge-shaped light incident part and a flat panel. The wedge-shaped light incident part and the flat panel have a common bottom surface. The height of the wedge-shaped light incident part is greater than that of the flat panel. The wedge-shaped light incident part includes a light incident surface perpendicular to the bottom surface and a sloped surface sloping relative to the light incident surface and connects to the flat panel. The sloped surface defines a plurality of V-shaped grooves for preventing light leak. The flat panel includes a light emitting surface opposite to the bottom surface. The plurality of light sources is positioned adjacent to the light incident surface.
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