Cheap LEDs: buyer beware

Cheap LEDs: buyer beware

Potentially fatal LED lamps have been seized at UK borders as authorities try to protect consumers from hazardous products. Emma-Lily Pendleton reports on the real cost of cheap LEDs.

OLEDs: Too little, too late

OLEDs: Too little, too late

It's a mixed bag for organic light-emitting diodes. They're improving and prices are dropping, but LEDs will stay ahead of them until the next big thing comes along, according to a new research note.

LED floodlights headed to US Super Bowl

LED floodlights headed to US Super Bowl

Game on! Another major sports venue taps the technology, as a Phoenix stadium went live with it when the Arizona Cardinals smothered the San Francisco 49ers. The same venue will host American football's big championship extravaganza in February.