News tagged with light bulbs

Pyramid scheme for brighter organic LEDs

The most common kind of light bulb in the United States—the incandescent—is only about 5 percent efficient. The phosphorescent organic light-emitting diode, on the other hand, makes light out of 100 percent ...

Jun 20, 2014
4.8 / 5 (20) 5

Under some LED bulbs whites aren't 'whiter than white'

For years, companies have been adding whiteners to laundry detergent, paints, plastics, paper and fabrics to make whites look "whiter than white," but now, with a switch away from incandescent and fluorescent lighting, different ...

Apr 18, 2014
4 / 5 (6) 12

Shanghai prof claims Li-Fi advance, prepares show kits

(Phys.org) —Scientists say "Li-Fi," Wi-fi connectivity from a light bulb, is making new advancements. Chi Nan, information technology professor at Shanghai's Fudan University, at work with a research team of ...

Oct 21, 2013 weblog
4.9 / 5 (14) 5 | with audio podcast