Light-emitting diodes (LEDs) are so ubiquitous that it's easy to forget just how much society relies on these underappreciated technological wonders. Yet, the history of the LED goes back further than ...

Several pieces of evidence have suggested that blue light can inactivate various pathogenic bacteria. Previously in vitro and in vivo studies using blue light in the spectral range of 400–470 nm ...

Dermatologists explain the benefits of red and blue light therapy, plus which is right for your complexion needs.

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 ...

LED technology has advanced significantly since the early days of light therapy, originally known as phototherapy. Initially ...

LED face masks are a fast-growing skincare trend, but do they work? A physician reviews the clinical evidence, regulatory gaps and what to look for before you buy.