The basic schematic of an electronic transformer (ET) includes a traditional full-bridge rectifier, a self-oscillating chopping circuit, and an output-power transformer. The self-oscillating circuit ...

Lighting brand Plumen has launched an LED light bulb that offers a more sustainable alternative to its 001 bulb, which was named the Design of the Year by London's Design Museum in 2011. Plumen has ...

Power Integrations announced four reference designs describing drivers for dimmable PAR 30 and PAR 38 LED light bulbs. Jointly developed by Power Integrations and CREE, the designs showcase the ...

Jointly developed by Power Integrations and Cree, four reference designs describe simple, reliable drivers for dimmable PAR 30 and PAR 38 LED light bulbs. The designs leverage Power Integrations’ ...

A new crop of LED light bulbs wants to combine modern technology with old-school looks. Here's what to look for as you pick one out. Originally hailing from Troy, Ohio, Ry Crist is a writer, a ...

If you’ve had any experience with LED light bulbs, you know they can look pretty odd. Cree today introduced a bulb that mimics the traditional incandescent bulb design in every way–except its ...

The WiZ Filament Bulb Clear 25W ST19 E26 is a color-changing smart bulb that features a coiled LED strip in place of a traditional filament. It’s available in the US and the UK under slightly ...

The typical household LED light bulb is advertised with a 25,000 hour lifespan, which would be more than 20 years at 3 or so hours of use per day. That sounds great, but it seems that a good number of ...

A 27-W LED bulb puts out 1,600 lumens at a color temperature that lets it replace a 100-W incandescent light. The coveted Lighting "L" Prize last year went to an LED bulb that could replace a 60-W ...