This video explains how LEDs (Light Emitting Diodes) work and why they’ve become one of the most important components in ...

Light-emitting diodes are front and center for many of our digital experiences. Every modern phone and tablet you look at uses LEDs in its display. It’s worth knowing how these work. In short, LEDs ...

A research team led by the School of Engineering of The Hong Kong University of Science and Technology (HKUST) has made ...

Smart lights can be quite an investment in time, energy, and money. Sure, they’re fun and convenient, but are they worth the cash you have to spend to get started? It’s a tough question, but we’re ...

The numbers you see on the box don't always work out in real life. LED bulbs do last longer, but those claims about five to 10 years are estimates based on internal testing -- and companies are always ...

They last much longer, can be dimmed and produce light in a variety of colors. By Arlene Hirst This article is part of our Design special section about making the environment a creative partner in the ...

British inventors began experimenting with electric lighting in the 1830s, working on so-called arc lamps, while other scientists around the world focused on developing a functioning incandescent lamp ...

An LED light guide produces distinct customized emission patterns of light from the top and bottom surfaces. This enables lighting fixtures to emit light upward and downward using a single light guide ...

This at-home LED light mask is receiving rave reviews for its power to reduce wrinkles, boost collagen and rejuvenate dull skin. Here's everything you need to ...

No you're not imagining it. Headlights have gotten brighter, and people driving on dark roads since the start of Daylight Saving Time have felt the impact. Before LED lights were introduced, many auto ...

That means inside every LED bulb are tiny circuit components -- and their soldered contact points -- which are far more vulnerable than the diode itself. The Lighting Research Center of the Rensselaer ...