Light Bulb

Forget LEDs, researchers from the University of Michigan have developed a new type of incandescent light bulb. The device is capable of emitting elliptically polarized light, described as "twisted" light.

Gizmag discusses some of the finer points of Energy Star certification of LED light bulbs with Switch Lighting's Gary Rosenfield.

As fine as it is, Gizmag ponders why Philips' offering has been singled out from the competition.

INSTEON's new LED light bulb can be paired with its free iOS and Android app so that the bulb can be turned on, off, or dimmed, using contemporary smartphones.

Osram Sylvania has been in touch to tell us about its 100 W-replacement LED light bulb, joining its Sylvania Ultra series: a 20 W, 1600 lumen light bulb with a a warm color appearance of 2700 K - the most compelling spec we've seen.

GE has announced the addition of a 100 W incandescent equivalent to its range of LED replacement light bulbs.

A new study from the University of California indicates that LED lights contain toxic metals, and should be produced, used and disposed of carefully.

Nokero's N100 weatherproof solar lightbulb could provide a clean, safe and affordable lighting alternative to fuel-based illumination currently used by a quarter of the world's population

GE is releasing an LED with the equivalent of a 40W incandescent bulb that lasts 25 times longer and requires only 9W to operate.

The GeoBulb II is the first 60-watt direct replacement, Premium Quality High Brightness (PQ-HB) bulb that uses less than 8 watts. It is suitable for direct replacement in any standard indoor open fixture and is designed to last 3 years of continuous service.

O'ZONELitehas released a titanium dioxide-coated, energy efficient light bulb which cleans indoor air. When the O'ZONELite is illuminated, it produces what is c