Bending sensor and method for fabricating the same
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United States of America Patent
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Oct 1, 2013
Grant Date -
Oct 11, 2012
app pub date -
Jun 30, 2011
filing date -
Apr 8, 2011
priority date (Note) -
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Abstract
A bend-detecting (bending) sensor is provided, including a flexible substrate, at least a pair of electrode patterns spaced apart from each other provided on the flexible substrate, and a paste layer containing conductive particles. The paste layer is coated onto the flexible substrate where the electrode patterns are formed, such that when the flexible substrate is bent, the density of the conductive particles between the electrode patterns changes and an electric resistance between the electrode patterns also changes, thereby sensing deformation of the flexible substrate, and eventually, a target to which the flexible display element or the flexible substrate is attached. When the bending sensor is applied to the flexible display device, the electrode patterns and the paste layer may be formed on the flexible substrate which is to form the flexible display element, thus forming a bending sensing structure with a thickness of the flexible display element or less.
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