In addition to being used for capacitive sensing, the integrated touch sensor and solar panel configurations may also be used for optical sensing.

FORBES: Patent Approval Paves Way For Apple To Fire Up Solar Powered iPhone

Apple may yet be the first to introduce the next major advance in mobile devices in the form of integrated touch sensor and solar panel.

FORBES: Patent Approval Paves Way For Apple To Fire Up Solar Powered iPhone

Integrated touch sensor and solar panel configurations that may be used on portable devices, particularly handheld portable devices such as a media player or phone are disclosed.

FORBES: Patent Approval Paves Way For Apple To Fire Up Solar Powered iPhone