It's October 2018 and Microsoft Research has shown off a Lumia 640 with e- ink Display Cover - MSPoweruser
InkCase Plus: E Ink screen for Android phone by OAXIS INC. — Kickstarter
Popslate 2 Makes an E Ink iPhone Case Make Sense | WIRED
InkCase Plus Adds A Second E-Ink Display To Your Android Phone To Conserve Battery - SHOUTS
The Introduction of Color E-Ink Display Technology
Despite raising over $1 million in funding, iPhone E-ink case creator popSLATE closes down | BetaNews
Esquire's E Ink Cover A 21st Century Flop | WIRED
E-Ink Secondary Screen iPhone Case
Prototype mobile phone covers foreshadow new wave of E Ink displays
Slim Case for Amazon Kindle 5 & Kindle 4 6'' E Ink Display Cover Magnet Closure | eBay
InkCase Plus: an always-on E Ink second screen for your smartphone | Stuff
The new PocketBook Color with E Ink Kaleido™: A first look – The GAT at XIN.at
Boox 6in Poke3 E-Ink Tablet with Poke3 Cover Case - 20644014 | HSN
Sony DPT-CP1 E-ink Tablet Leather Case Sony 10.3 E-ink Tablet - Etsy
Amazon.com: Pomya E-Book Reader E-Ink 6 inch E-Reader 800x600 Resolution Display 300DPI Blue Cover 16GB 8GB 4GB (8G Black) : Electronics
Phone Cases with E Ink Screens Fail to Impress | The eBook Reader Blog
E-Ink Secondary Screen iPhone Case
This AI-enabled phone case has detachable display that prioritizes and manages your notifications! - Yanko Design
Apple is reportedly testing an E-Ink display for a future foldable iPhone cover screen+ - Patently Apple
An Extra Screen For iPhone —Built Into A Case
BOOX Poke3 E-Ink tablet PC Cover case OCV0273R - Best Buy
Pocketbook Cover Reader Debuts – e Ink Case for the Samsung Galaxy S4 - Good e-Reader
/cdn.vox-cdn.com/uploads/chorus_asset/file/12844877/popslate-1.0.0.1429625804.jpg "This case puts an E Ink display on the back of your iPhone - The Verge")