Vishay Intertechnology RGB LED in 0404 Package Provides Independent Control of Red, True Green, and Blue Chips for Wide Color Range

With its wide color range, the Vishay Semiconductors LED released today is ideal for switch illumination, status indicators, ...
New Atlas

Next-gen blue light LEDs could help keep sleep-wake cycles on track

Researchers have designed and tested ‘human-centric’ LEDs that emit different wavelengths of blue light depending on whether it’s daytime or nighttime, reducing the disruptive effect artificial light ...
Electronic Design

The Elusive Blue LED: How Did Researchers Finally Triumph?

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 ...