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 ...

Instead, it's the other electrical bits in LED bulbs that fail and cut off the bulb's light. LED bulbs use DC power, which requires a converter and drivers to switch from standard AC power in homes.

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 ...

We live in a world where smartphones last for about 2.5 years, and even the best light bulbs fizzle out unexpectedly when you need them the most. That said, here is one bulb defying the odds, a ...

LEDs are supposed to last for years, along with delivering lower energy use, and even smart features like connecting with Alexa. They're a major leap forward versus incandescent bulbs, but they don't ...