Hardcover and paperback books are becoming relics of a bygone era. Over the last several years, e-readers have become the preferred way to read books, magazines, or graphic novels digitally, with the best e-reader displays mimicking the look and feel of a physical book. A company called E Ink has been developing and perfecting e-reader screens for quite some time; Amazon, Kobo and Boox all use E Ink panels in their hardware!

Moving into 2027, it looks like the talented folks at E Ink will be putting out a brand-new screen : the Kaleido 4. This color e-paper platform, the manufacturer claims, will deliver a wider color gamut and enhanced clarity. Spec-wise, one of the most impressive comparisons we've seen is the pixels-per-inch breakdown between the Kaleido 4 and Kaleido 3 displays; the former delivers up to 330 PPI, while the latter only pushes 150 PPI.

The Kaleido 4 generation also increases white reflectance by up to 15%, and contrast by up to 50% (compared to the Kaleido 3).…