Electronic skin having uniform gray scale reflectivity
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United States of America Patent
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Nov 13, 2012
Grant Date -
Nov 19, 2009
app pub date -
May 16, 2008
filing date -
May 16, 2008
priority date (Note) -
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Abstract
The invention features electronic skin including an active layer formed of bistable cholesteric liquid crystal material and articles comprising the skin, the electronic skin having uniform gray scale reflectivity. Also featured is method for producing suitable reduction pulses that will provide a display (e.g., the electronic skin) with uniform gray scale reflectivity. Reduction pulses of narrow width are used to create uniform levels of gray in the electronic skin to overcome display imperfections that cause discontinuity in the gray scale reflectivity.
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