My son wanted to build some electrical projects. So, we made an LED throwie, followed by a potentiometer-dimmed LED, and then a transistor to blink some LEDs. Much like the tiny steps I walk readers ...

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A flashing wristband at an NFL game sends Ed Conway down an unexpected economic rabbit hole. LEDs were supposed to be one of the great technological and environmental success stories: a revolutionary ...

LED bulbs are incredibly efficient and long-lasting, but problems can cut their lives short. Many users, me included, have found LED bulbs that burn out way ahead of expected life, within the first ...

It’s hard to believe that the first blue LED didn’t arrive until 1993. They look simple, but looks are deceiving (Fig. 1). 1. Image showing a blue InGaN-based LED with gold wire contacts (0.4 × 0.4 mm ...

As usual, let’s commence by listing the links to earlier installments in this mega-mini-series to make all our lives easier (see Part 1, Part 2, Part 3, Part 4, Part 5, Part 6, Part 7, Part 8, and ...

Both LCD TVs and LED TVs have been on the market for many years. TV-size LCDs gained popularity in the mid-2000s, while LED TVs followed a few years later. The marketing departments for many companies ...

The alphabet soup of TV terminology is overwhelming enough, but you might have seen a particularly confusing term pop up lately: mini-LED. LEDs are already tiny, so what exactly could the "mini" here ...

If LED, QLED, OLED, and mini-LED don't already confuse you, there are now two different types of MicroLED TVs. Here's what you need to know about the latest television display technology. I’m PCMag’s ...

Cost, technical performance and environmental impact -- these are the three most important aspects for a new type of LED technology to have a broad commercial impact on society. Cost, technical ...

God said, “Let there be light”—everyone knows that. But God did not specify what color light, and this would eventually prove problematic. In the age of the LED light bulb, consumers have an ...