But what exactly are LED masks, how do they work, and are they worth the hype? What Are LED Masks? LED masks are wearable devices that use light-emitting diodes (LEDs) to deliver specific ...

Do they work? We asked two dermatologists and two facial plastic surgeons for their takes. What is light therapy supposed to do? LED masks feature eye and mouth holes and are typically held in ...

WSJ goes behind the scenes with one LED company, PixMob, to see the tech behind the wristbands. Photo illustration: Madeline Marshall ...

Here’s a look. Before diving into TriChroma, it’s a good idea to brush up on how traditional LED TVs work. LED TVs make use of a backlight, typically a white or blue light, that shines through ...