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.

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 of the electricity ...

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 ...

Save money and energy by replacing, adjusting home appliances

Want to save some money and help the planet at the same time? Then take a look at some of the gadgets and appliances in your house. By turning off, adjusting or swapping out some of the devices in your house, you can potentially ...

Cooking up new nanoribbons to make better white LEDs

As the world moves away from incandescent light bulbs, light-emitting diodes (LEDs) are growing in popularity. They use significantly less energy and have far longer lifetimes than do the traditional incandescent bulbs, which ...

Home electricity use in US falling to 2001 levels

The average amount of electricity consumed in U.S. homes has fallen to levels last seen more than a decade ago, back when the smartest device in people's pockets was a Palm pilot and anyone talking about a tablet was probably ...

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