How E Ink developed full-color e-paper
The article misses a significant device: Onyx Nova 3. The major difference between its prior color offering (poke 2) is the integration of a Wacom layer that makes this very good for note taking. The other hardware and software improvements appear to be incremental.<p>Of particular note with all Onyx readers is that they run Android, opening up the ecosystem of the Play store and particularly your note-taking app of choice.<p>Unfortunately, color eink are roughly 100 dpi compared to the 300 of b&amp;w, although it&#x27;s a layer over the b&amp;w display so normal black and white content is still much crisper. The color layer does make it all appear darker though.<p>Also, ghosting can be a problem. Onyx has a few refresh settings that minimize it at the cost of refresh time. It looks like note taking is usually done on a faster refresh rate with occasional full screen refreshes to clean things up.<p>I&#x27;m not sure the tech is fully there yet, but it looks like it works well enough for things like color PDFs and comics. For heavy note taking color is probably not a requirement for most. I like the idea of the other larger b&amp;w Onyx readers running android though. The Play store apps would add a lot of options over the Remarkable.