You may create or edit an image on your 17-inch laptop with an HD screen (129.584 PPI), but know that you'll be displaying it on an 84-inch 4K UHD display (52.45 PPI) in the office next week.

Multitasking on a laptop doesn’t come much easier than with the Mobile Pixels Trio, which is now available in both Trio and Trio Max editions for both dual and triple-screen users. A single Trio ...

But for me, I'll take the slightly larger AMOLED 1080p screen over the Air's (admittedly bright and beautiful) 2.8K IPS panel. And hey, that extra 0.3 inches of screen real estate is great to have.

At the most fundamental level, each pixel on your laptop screen is composed of smaller elements called sub-pixels. These sub-pixels typically come in three primary colours: red, green, and blue.