LIGHT GUIDE PLATE AND ILLUMINATING DEVICE
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United States of America Patent
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Issued Date -
May 2, 2013
app pub date -
Dec 29, 2011
filing date -
Oct 27, 2011
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
A light guide plate includes a light emitting surface and a micro structure positioned on the light emitting surface. The micro structure includes a plurality of pyramids projecting from the light emitting surface. Each of the pyramids includes a bottom surface and a plurality of side surfaces connected to the bottom surface. An included angle between each side surface and the bottom surface of each pyramid is in the range from about 15 degrees to about 25 degrees. An illuminating device including the light guide plate is also provided.
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