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 ...

making it more likely you'll see bulbs fall short. And don't forget to check LED bulb details for how the manufacturer is defining a single day of use in these year calculations (if it says). Some ...

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 ...