I would love to see something akin to the Alphasmart Neo2[1], powered by a low consumption LCD screen. The closest I've seen are E-ink[2] or LCD+E-ink[3] typewriters.

[1]: https://www.loudcoffeepress.com/post/alphasmart-neo2-review

[2]: https://hackaday.com/2018/10/20/e-ink-typewriter-is-refreshi...

[3]: https://hackaday.com/2019/02/18/offline-e-paper-typewriter-l...