Automating screen brightness on Windows based on time of day or battery level saves your eyes and extends battery life.

So, you've been binge-watching your favorite TV series on your iPhone all afternoon when out of nowhere, your screen starts dimming on you. No biggie — you probably just have auto-brightness on.

Now, just like Android or iOS, you'll be able to change themes on Windows 11 from Quick Settings. Rolling out soon.

Dimming your screen brightness is one of the most effective and straightforward ways to extend your smartphone's battery life. Here’s a detailed look at how adjusting your screen brightness can make a ...

Blue light from screens has been blamed for sleep problems, screen fatigue, and various health issues. Companies sell blue light blocking glasses, apps filter blue wavelengths, and phone operating ...

An overwhelming majority of handheld devices these days have ambient light sensors built into them. A large percentage of TVs and monitors do, too, and that proportion is growing. The sensors allow ...

You can buy a monitor light bar pretty cheap, even as low as about $20. But will it be a great piece of gear, illuminating your desk from atop your display, with a nice array of features? Probably not ...

Brightness is important in everything from phones and computer displays to TV screens and video boards. Bring your laptop or phone outdoors and you will realize that the display is nothing but shadows ...