Illumination module
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United States of America Patent
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Oct 24, 2017
Issued Date -
N/A
app pub date -
Aug 20, 2015
filing date -
Aug 20, 2015
priority date (Note) -
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Abstract
Provided is an illumination module capable of preventing a light exit surface from being darker along peripheral edge portions as though having borders. An illumination module (1) includes: a light guiding plate (20), which has an end surface (21) and a first principal surface (23); a light source (30) configured to emit light that enters the end surface (21); and a diffusion plate (50), which has alight incident surface (55) and a light exit surface (56). The diffusion plate (50) includes a protruding part (51), which protrudes toward the light guiding plate (20) side and the light source (30), which is positioned so as to face a peripheral edge portion (26) on the end surface (21) side of the light guiding plate (20), and which has a light incident surface (52) into which light exiting the peripheral edge portion (26) enters.
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