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 ...

Many people use their electronic devices, including phones, tablets, and computers, for extended periods. Companies now sell screen protectors that reportedly block blue light and benefit eye health.

ZDNET experts put every product through rigorous testing and research to curate the best options for you. If you buy through our links, we may earn a commission. Learn Our Process 'ZDNET Recommends': ...

Too much screen time could be taking a toll on your mental health. That’s because your smartphone, tablet, laptop, and TV all give off blue light. So do fluorescent and LED (light-emitting diode) ...

A growing number of dermatologists warn that blue light from smartphones and tablets may be damaging our skin, not just our sleep or eyesight. Here’s what a leading expert says—and how to protect ...

To be more energy efficient, many people have replaced their incandescent lights with light-emitting diode (LED) bulbs. However, those currently on the market emit a lot of blue light, which has been ...

You may know them by the acronym ROY G BIV. Together, they make the white light you see when the sun -- the main source of blue light-- is shining. Fluorescent and LED (light-emitting diode) light ...

We may earn revenue from the products available on this page and participate in affiliate programs. Learn more › Sign Up For Goods 🛍️ Product news, reviews ...

You’ve likely heard that blue light from smartphone screens may be keeping you awake at night. While the sun is our main source of blue light, the rise of LEDs and screen use exposes us to artificial ...