News tagged with light bulb

LEDs: Better red makes brighter white

Chemists at Ludwig-Maximilians-Universitaet (LMU) in Munich have developed a novel type of red phosphor material, which significantly enhances the performance of white-emitting LEDs.

dateJun 23, 2014 in Materials Science
shares4.9 / 5 (16) comments 1

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 ...

dateJun 20, 2014 in Energy & Green Tech
shares4.8 / 5 (21) comments 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 ...

dateApr 18, 2014 in Other
shares4 / 5 (6) comments 12