leaf by hyung geun kim from korea

Plants receive energy from photosynthesis. Likewise, future mobile phones will receive energy from sunlight.

There is a solar cell located below the crystal touch display, allowing the mobile phone’s battery to be charged through sunlight when the device is not used as a touch phone.
User convenience has been enhanced by enabling use of the QWERTY key and trackball mouse when surfing the Internet or sending email or text messages.