Liquid crystal display device
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United States of America Patent
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Issued Date -
Nov 17, 2005
app pub date -
Apr 5, 2005
filing date -
Apr 7, 2004
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A liquid crystal display device includes a plurality of light emitting diodes mounted on a side wall of a light guide plate so as to irradiate light inside of the light guide plate. On a light reflection surface of the light guide plate, a plurality of light reflection patterns having concentric grooves about the light emitting diodes in the direction equal to the advancing direction of respective main light beams of the light emitting diodes are formed in a state that the plurality of light reflection patterns are divided into a first light reflection pattern region and a second light reflection pattern region respectively corresponding to the light emitting diodes. Between the first light reflection pattern region and a second light reflection pattern region, a light reflection pattern intersecting region where end portions of the light reflection patterns intersect each other is defined.
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