Illumination device with metalized light-turning features
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United States of America Patent
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Aug 19, 2014
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app pub date -
Dec 27, 2010
filing date -
Dec 29, 2009
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Abstract
This disclosure provides systems, methods and apparatus for a front illumination device with metalized light-turning features. In one aspect, an illumination device with integrated touch sensor capability includes a light guide having a metalized light-turning feature and an electrode system for sensing changes to the capacitance between electrodes in the electrode system induced by the proximity of an electrically conductive body, such as a human finger. The metalized light-turning features may be electrically connected to and/or part of the electrode system.
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