One of the big new features in the upcoming iPhone 5S, Apple's next generation smartphone, is expected to be a built-in fingerprint sensor. To be fair, we've yet to see any evidence of this, but reports have been consistent over past 6 months.
Up until now, most folks have presumed that if Apple were to outfit its handset with such a sensor, that it would build it into the Home button. But according to a new patent filing from the company, it could build it right into the display...