Planar illumination device
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United States of America Patent
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Mar 6, 2018
Issued Date -
N/A
app pub date -
May 16, 2016
filing date -
May 22, 2015
priority date (Note) -
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status (Latency Note)
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Abstract
A planar illumination device according to an embodiment, including: a light guiding plate having one of a pair of opposite principal surfaces serving as a light emission surface; a light source arranged at a side surface connecting end edges of the pair of principal surfaces of the light guiding plate; and a frame, in which the light guiding plate is arranged. The frame is formed of plural frame members arranged along side surfaces of the light guiding plate. The plural frame members are configured to include a resin frame member and a metal frame member, and to have a joint portion between the resin frame member and the metal frame member, the joint portion arranged at end portions of the resin frame member and the metal frame member.
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