Picture this: a screen that doesn’t give you eye fatigue after staring at it for a long period of time, lasts for weeks on a single charge, and offers glorious full color.

Picture this no longer—this is reality. E Ink is finally in color, and 2020 could finally be E Ink’s year to shine. E Ink devices with color displays, like the Hisense A5C and the PocketBook Color, are beginning to hit the market, opening up the use cases for these devices. Imagine reading a comic book or manga on a full-color ereader. Pretty wicked, right?

E Ink was introduced in the late ‘90s, so this is isn’t exactly new technology blowing bloggers’ minds. But it is pretty damn cool, even today.

E Ink consists of basically the same type of liquid that comes in a pen. But instead of depositing the ink on paper like humans have done for hundreds of years, E Ink comes in tiny capsules the diameter of a single human hair. Within these capsules, pigments—commonly black and white—are bonded with a positive or negative charge. To make something visible on an E Ink display, an electrical field charge is sent to the bottom of the display, repelling and attracting the ink within millions of capsules until an image is produced.

-Matthew Reyes

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