TOUCH SENSOR INTEGRATED WITH A LIGHT GUIDE

摘要

Various approaches discussed herein provide a display screen that integrates both capacitive touch sensing and a light guide onto a single optically clear substrate. The substrate can be integrated into a portable device, such as an electronic reader (e-reader) device having a reflective display in order to both illuminate content displayed on the e-reader device and to provide touch sensing input to the device. The capacitive sensors can be fabricated on one side of the optically clear substrate, while the light guide can be fabricated on the opposite side of the substrate.