High-brightness LEDs are an inexpensive, robust, and green replacement for halogen light bulbs. This Idea for Design shows you how to apply an AC LED driver to convert the usual 12 or 24 V AC ...

Soraa, the Khosla Ventures-backed startup that uses the semiconductor gallium nitride rather than sapphire in its LED and laser technology, came out of stealth mode Tuesday and unveiled its flagship ...

Reliably generating light with the limited resources at a car’s disposal was a problem for early automotive engineers. Tungsten filaments, similar to the kind found in household incandescent light ...

Headlamps come in several sizes, shapes and types, as do their bulbs, which need periodic replacing. A majority of vehicles still use halogen headlamp bulbs, but a growing number come with ...