METHOD OF MAKING A LIGHT GUIDE PLATE
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United States of America Patent
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Issued Date -
Oct 15, 2015
app pub date -
Apr 14, 2014
filing date -
Apr 14, 2014
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Abstract
A method of making a light guide plate includes: preparing a transparent substrate with a first planar surface and a perforated plate with a second planar surface and perforations; covering the transparent substrate with the perforated plate, such that the perforations expose dot-forming regions of the first planer surface and that the first and second planar surfaces are in intimate contact with each other; applying an ink onto the perforated plate; scraping across the perforated plate to form ink dots on the dot-forming regions, respectively; and removing the perforated plate from the transparent substrate.
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