| 摘要 |
<p>An optical display that can also function as an optical touchpad, wherein a substrate is used as a light guide to provide a plurality of paths for light to travel and arrive at a display region, wherein a unique image is selectively made visible in the display region by choosing to transmit light to the display region through one of the plurality of paths, and wherein optical sensors are also associated with the display region to thereby enable detection of an object that is in contact with at least one display region.</p> |
