LIGHT GUIDING PLATE, METHOD OF MANUFACTURING THEREOF AND BACKLIGHT MODULE WITH LIGHT GUIDING PLATE
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United States of America Patent
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Apr 11, 2017
filing date -
Jan 20, 2017
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Abstract
A light guiding plate includes a light emitting surface, a structural surface, a light incident surface and a plurality of trench structures. The structural surface is opposite to the light emitting surface. The light incident surface connects between the light emitting surface and the structural surface. The trench structures are formed at intervals on the structural surface. Each of the trench structures includes a first surface and a second surface. The first surface connects with the structural surface. A first angle included between the first surface and the structural surface ranges from 110 degrees to 130 degrees. The second surface connects with the structural surface. The second surface connects with the first surface to form a trench axis. The first surface of each of the trench structures is closer to the light incident surface relative to the corresponding second surface.
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