Like the rest of Ikea’s Tradfri smart lights, the new filament light bulb requires a separate piece of hardware if you want to control it with your smartphone. We recommend buying the Tradfri gateway ...

WigWag's Filament Smart Color LED light bulbs and the platform devices that control it all — including other Internet of Things devices — have gone up for pre-order and are set to ship this fall.

The University of California Santa Barbara is suing five major retailers — Walmart, Target, Amazon, Ikea and Bed Bath & Beyond — for violating its patents on “filament” LED light bulbs.

The website for the museum based in his old house says Latimer “invented the carbon filament, a significant improvement in the production of the incandescent light bulb” ( lewislatimerhouse ...