Glume: LED Casted in Translucent Silicone

The Glume system consists of soft and translucent augmented interlocking modules, each embedded with a full spectrum LED, which communicate capacitively to their neighbors to determine a network topology and are responsive to human touch.
http://tangible.media.mit.edu

Philips Lumalive - LEd garment

By integrating multicolor LEDs (light-emitting diodes) into textile objects Philips Lumalive transforms them into communication platforms, while their textile look & feel retains.
www.lumalive.com