Researchers have found a new way to simplify the structure of high-efficiency blue organic light-emitting diodes (OLEDs), which could lead to longer-lasting and higher definition television screens.

A new study suggests that blue light such as from phone screens may not be as disruptive to sleep as previously thought. The study looked at how people reacted to different types of light. They found ...

Sleep scientists are changing how they think about screen use at night. By Caroline Hopkins Legaspi Experts have long warned about the dangers of blue light before bed. When exposed via smartphones, ...