Over the decade, the solid-state lighting sources based on white light-emitting diodes (LEDs) has improved to overtake incandescent and fluorescent lighting types because of many advantages such as ...

Researchers have used zinc oxide microwires to significantly improve the efficiency at which gallium nitride light-emitting diodes (LED) convert electricity to ultraviolet light. The devices are ...

While the Philips Ambilight 7900 Series 55-inch LED TV might seem entirely normal at first, it has a neat party trick hidden behind — three-sided Ambilight LED lights to enhance the viewing experience ...

If you had an array of high power addressable LEDs, how would you project them onto a wall? Perhaps you’d use a Fresnel lens, or maybe an individual lens on the top of each. [Joo] faced this problem ...

Scientists are reporting a major improvement in their potential new treatment for facial wrinkles that could emerge as an alternative to Botox and cosmetic surgery. The noninvasive technique combines ...

LED lightbulbs have slashed the amount of energy we use to light our homes. New data illustrate just how much. Jon covers artificial intelligence. He previously led CNET's home energy and utilities ...

Once upon a time, buying a lightbulb meant choosing an incandescent one of between 25 and 100 watts, depending on how bright you wanted the light to be and the fixture you were putting it in. You ...

Colorful lights, when done right, can make your home look cool and futuristic. LED light strips have come a long way, which means you can ditch the year-round Christmas lights for something ...

Light pollution has increased worldwide because of the prevalence of energy saving LED lights. However, the problem isn’t with the lights themselves — but the fact that the world is getting brighter ...