But the technical magicians at UCLA have come up with a solar cell that can let a phone charge itself using the screen’s backlight. In a typical LCD, there are tiny liquid crystal molecules ...

These laureates’ bright idea could well be the light source of the 21st century and, when the movie version comes out, we can even watch their story on Blu-ray on an LED-backlit TV.

The Minimal Company’s Minimal Phone has a 4.3-inch touch E Ink screen with a backlit black and white display. It’s a device meant for text over graphics, though it can handle those, too.

The capacitive screen is backlit to help make it visible in the dark, too. What we haven't yet seen in action is the MinimalOS, which is a custom version of Android.

The Minimal Phone is expected to measure 120 x 72 x 10mm (4.7″ x 2.8″ x 0.4″), making it pretty small by modern smartphone standards. And it’s expected to have a retail price of $400 ...

The LCD screens on Apple phones have a backlight that's always shining behind the screen. AMOLED screens don't . Instead, pixels light up when electricity passes through them.

The Washingtonian has a rundown of the study and the medical analysis of it, but in short, there’s no proof linking blue light screen exposure to eye damage, either in the short term or the long ...

Refurbished models are available in Space Gray, Silver, or Gold with 64GB, 256GB, or 512GB of storage through Apple's online store in the United States.