Next time your at a LED traffic light, realize that they are so many leds there isn't a need for a resistor so they only have rectifiers and you can see the LEDs flashing at 60Hz so yes they have ...

LED technology is opening thedoor to a variety of high-power-illumination applications. The circuit in Figure 1 can let you know when ac power is available. To drive a power LED from the ac line ...

These AC comparators allow you to visually monitor the levels of AC input signals with LEDs for signal level indication.

How AC/DC’s Highway to High-Decibel Fame Led to Five Decades of Global Success As the famed Australian group continues its Power Up tour, its debut album, High Voltage, celebrates its 50th ...

Fairchild introduced the new FL77944, a family of LED Direct AC Drives that manufacturers can use to easily scale power and create smart and scalable LED-based lighting.