The lamps provide uniform backlighting directly-under each key without affecting the tactile feel of actuation. The lamps feature a durable rubber composition that reportedly survives over a million keypad actuations without degrading. A small IC driver with low current powers the lamps, so little heat is generated.

Rogers Corp., Durel Div., 2225 W. Chandler Rd., Chandler, AZ 85224, (480) 917-6000,