E Ink announces Kaleido 4 display upgrade for color e-readers

Summary

E Ink has announced Kaleido 4, a display technology for color e-readers. Engadget reports improved color reproduction and refresh rates, while TechRadar says E Ink promises brighter screens and double the colors; Android Authority reports more saturated colors, better visibility and smoother page turning.

Timeline

1. The Verge

   15 Oct 2026, 16:00 UTCSource ↗

   The Verge reports that E Ink upgraded the screen found in most color e-readers.

2. Engadget

   15 Oct 2026, 18:41 UTCSource ↗

   Engadget reports that Kaleido 4 offers improved color reproduction and refresh rates.

3. TechRadar

   16 Oct 2026, 09:41 UTCSource ↗

   TechRadar reports E Ink announced Kaleido 4, promising brighter screens and double the colors for e-readers.

4. Android Authority

   16 Oct 2026, 10:38 UTCSource ↗

   Android Authority reports that Kaleido 4 displays offer more saturated colors, better visibility and smoother page turning.