Here's a look at Cirkovic's concept:
The two thin lines at the top and bottom of the screen are not just there for looks. They have sensors in them.
The sensors will be able to tell whether the iPhone is in your pocket or on the table. If it is, the screen will stay locked. If the phone is held up and closer to the face, the screen will automatically activate:
Here's the back of the device:
Cirkovic got rid of all the side buttons in favor of finger sensors. Instead of a little switch to turn on or off the volume, Cirkovic uses sensors (orange: sound on):
The point of having sensors instead of buttons, like the current iPhone models, is so the phone never turns on when it's in your pocket:
Now, check out something a bit more old school:
