Light guide plate with alicyclic resin
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United States of America Patent
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Oct 14, 2003
Grant Date -
N/A
app pub date -
Oct 27, 2000
filing date -
Apr 30, 1998
priority date (Note) -
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Abstract
A light guide plate which is made of a polymeric resin having an alicyclic structure and has recesses for reflection formed on a light reflecting surface, the recesses being so arranged that the density of the recesses increases with the distance from a light source. Each recess is preferably a V-shaped groove each having an angle of 70.degree. to 150.degree. and a depth of 1 .mu.m to 1000 .mu.m or a groove which is long and approximately perpendicular to the direction in which light is incident at any position on the light reflection surface.
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