E Ink Just Made Color E-Paper Play Video at 18FPS: Meet Kaleido 4

Okay e-paper fans, this one's actually pretty exciting. E Ink (yep, the folks who make basically every e-reader screen you've ever used) just pulled the wraps off Kaleido 4, their next-gen color e-paper tech. And for the first time ever, this stuff can play video at a smooth-ish 18 frames per second. On an e-paper display. What a time to be alive.

Colors That Don't Look Like a Faded Poster

If you've ever seen a color e-paper display, you know the drill — they're great for reading, but the colors can look kinda washed out and grainy. Kaleido 4 tackles that head-on. The color gamut volume is now twice as big, hitting over 40K, white reflectance is up 15%, and contrast jumped 50%. Translation: photos, charts, slides, and even video content actually look clear and punchy now, with way less of that grainy texture color e-paper is notorious for.

And they did all this while keeping the two things e-paper lovers care about most: battery life that lasts forever and that easy-on-the-eyes, paper-like reading experience. It's still e-paper at heart.

18FPS Video on E-Paper? Seriously?

Here's the headline feature. Kaleido 4 packs a brand-new Oxide TFT backplane that supports higher driving voltages, which means the screen can refresh a lot faster. Pair that with some clever new algorithms, and you get 18FPS video playback on an e-paper panel. No, you're not going to watch blockbusters on this thing — but smooth video on a display that barely sips power? That's wild.

There's also a completely redesigned front-light system that makes colors look more natural, crisp, and detailed. So whether you're flipping through a magazine or checking a presentation, things should look noticeably better than the last generation.

First Gadget Out of the Gate: Hanvon's M10C II

As usual, E Ink built the tech — and a hardware partner jumped on it first. This time it's Hanvon, who just launched the M10C II color ink office notebook based on the Kaleido 4 panel. Page turning and scrolling are 27% faster than before, it's got a micro-etched AG black tempered glass front, and it ships with a battery-free stylus supporting a whopping 8,192 levels of pressure sensitivity. Under the hood, there's a Qualcomm 8-core chip with 4GB of RAM and 128GB of storage.

The Bottom Line

Color e-paper has been quietly getting good, and Kaleido 4 feels like a genuine leap. Double the color gamut, half the grain, and actual video playback — all while keeping that legendary battery life. If you've been waiting for a color e-reader or e-note that doesn't make your photos look like they survived a sunburn, your moment is basically here. Now we just wait and see which gadget maker puts this panel in something we can actually buy.