Multilayer optical sheet module
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United States of America Patent
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Jun 9, 2015
Grant Date -
Jun 13, 2013
app pub date -
Dec 8, 2012
filing date -
Dec 8, 2011
priority date (Note) -
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Abstract
There is disclosed a multilayer optical sheet module including an upper optical sheet comprising a first structural pattern projected upward; a lower optical sheet disposed under the upper optical sheet, the lower optical sheet comprising a second structural pattern projected toward the upper optical sheet; and an adhesion layer provided between the upper optical sheet and the lower optical sheet, wherein the second structural pattern includes a light transmitting part having a traverse cross section getting smaller along an upward direction; and an embedded part continuously connected to an upper portion of the light transmitting part, with a predetermined portion embedded in the adhesion layer, and a circumference of a cross section possessed by the embedded part, contacting with the adhesion layer, is larger than a circumference of a virtual cross section locus formed by extending the light transmitting part upward, with a continuous slope.
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