Optical sheet module consisting of optical sheets having different thicknesses
Number of patents in Portfolio can not be more than 2000
United States of America
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Mar 24, 2020
Grant Date -
Oct 22, 2015
app pub date -
Jun 24, 2013
filing date -
Jun 24, 2013
priority date (Note) -
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Abstract
An optical sheet module consisting of optical sheets having different thicknesses, includes: a first base film having a predetermined thickness and transmitting light from a lower portion thereof through an upper portion thereof; an upper optical sheet formed on the first base film and having a first structural pattern in which the upper optical sheet protrudes upwardly and the cross-sectional area thereof decreases when progressing toward an upper portion thereof; a second based film laminated beneath the upper optical sheet so as to transmit light from a lower portion thereof to the upper optical sheet; and a lower optical sheet formed on the second base film and having a second structural pattern in which the lower optical sheet protrudes toward the upper optical sheet and the cross-sectional area thereof decreases when progressing toward an upper portion thereof. The first base film is relatively thicker than the second base film.
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