Display back illumination apparatus having compression molded light guide
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United States of America Patent
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Mar 13, 2018
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N/A
app pub date -
Jun 26, 2015
filing date -
Oct 15, 2014
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Abstract
The illumination apparatus includes a light guide plate, a light source disposed opposing an incident light surface of the light guide plate, at least one optical sheet stacked on a light emitting surface of the light guide plate, and a frame for accommodating the light guide plate. On principal surfaces of the light guide plate, a protruding part and a recessed part are provided so as to form a pair at least along an end surface of the light guide plate extending in a direction that intersects an end surface serving as the incident light surface of the light guide plate, or along an end surface that opposes the incident light surface of the light guide plate.
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