Rubbing cloth, roller, method of forming LC alignment angle and method of cleaning debris
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United States of America Patent
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Oct 11, 2016
Grant Date -
Sep 10, 2015
app pub date -
Aug 12, 2013
filing date -
May 20, 2013
priority date (Note) -
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status (Latency Note)
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Abstract
A rubbing cloth, a roller, a method of forming an LC alignment angle and a method of cleaning debris are provided. The rubbing cloth is dyed by using a solution dissolved with a dye containing at least one of hydroxyl group and cyano-group. An outer surface of the roller is provided with the rubbing cloth. The method of forming the LC alignment angle forms the LC alignment angle by using a roller with an outer surface wrapped by the rubbing cloth of the present invention. The method of cleaning debris cleans debris by using the rubbing cloth or the roller under illumination condition. They present advantages of excellent cleaning effect, simple implementation and low cost.
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