MANUFACTURING METHOD OF LARGE-SIZED TOUCH PANEL DEVICE
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United States of America Patent
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Issued Date -
Apr 27, 2017
app pub date -
Jun 15, 2016
filing date -
Oct 23, 2015
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Abstract
The manufacturing method of a large-sized touch panel device by which a plurality of base materials different in linear expansion coefficient from each other is bonded together, includes: roughening the bonding surfaces of the base materials; and vacuum-bonding the base materials with an optical adhesive. The optical adhesive has a storage elastic modulus of 1×105 Pa or more at 80° C.
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