Light-emitting diodes are front and center for many of our digital experiences. Every modern phone and tablet you look at uses LEDs in its display. It’s worth knowing how these work. In short, LEDs ...

The answer would be NO or only at negligible levels. Standard LED lights emit very little UV rays (usually less than 1% of total output).

They last much longer, can be dimmed and produce light in a variety of colors. By Arlene Hirst This article is part of our Design special section about making the environment a creative partner in the ...

LEDs changed how homes stay bright, but raised new questions. Efficiency, cost, and performance all play into a choice most people make without thinking twice.

Based on AlInGaP technology, the TLMx300x series surface-mount LEDs are said to provide exceptional brightness at a forward current of just 2 mA, performance characteristics that qualify the devices ...