LIGHT GUIDE MODULE AND BI-STABLE DISPLAY DEVICE HAVING THE SAME
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United States of America Patent
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Issued Date -
Jul 30, 2015
app pub date -
Sep 30, 2014
filing date -
Jan 24, 2014
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Abandoned
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Abstract
A light guide module includes a light guide plate, a light source, and a reflector. The light guide plate has a light mixed region and a visible region. The light-mixed region is at the edge of the light guide plate, and the light mixed region has a first surface and a second surface at an opposite side to the first surface. The first surface has a plurality of first concave convex structures. The light source faces the second surface of the light-mixed region. When the light source emits a light, the light enters the light mixed region from the second surface, and the light is reflected to the visible region by the first concave convex structures. The reflector covers the first concave convex structures, and plural gaps are formed between the reflector and the bottom portions of the first concave convex structures.
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