CHIBA, JAPAN — Casio Computer Corp. has developed a fingerprint sensor layered on top of a 1.2-inch LCD screen, providing a convenient way for phone makers to incorporate biometric security into their ...

[CNLohr] has been tinkering with some fun parts of late. He’d found out that ordinary LCD screens could be used as simple touch sensors, and he had to try it for himself. He ended up building a little ...

Researchers at the University of Washington's aptly named Ubiquitous Computing Lab can turn any LCD monitor in your hous into a touchscreen, with nothing more than a $5 sensor that plugs into the wall ...