E Ink Launches Kaleido 4, Advancing Color E-reader Technology

WHO:

Engadget - E Ink is the company launching the new Kaleido 4 display technology.

Techmeme - Brands using the previous Kaleido 3 displays include Amazon, Kobo, and PocketBook.

WHAT:

Engadget - E Ink's Kaleido 4 offers improved color reproduction and refresh rates.

Techmeme - The Kaleido 4 technology is set to replace the Kaleido 3 displays.

WHERE:

Techmeme - The new note-taking tablet featuring Kaleido 4 will be launched in China.

WHEN:

Techmeme - The launch of the new note-taking tablet featuring Kaleido 4 is scheduled for a future date.

WHY:

Engadget - The advancements in color reproduction and refresh rates aim to bring consumers closer to the ideal color e-reader experience.

HOW:

Engadget - The new display technology is designed to enhance the performance of color e-readers.

(UPDATED October 15, 2026 20:00 UTC)

E Ink is set to launch its new Kaleido 4 display technology, which promises improved color reproduction and refresh rates, enhancing the performance of color e-readers. This new technology will replace the previous Kaleido 3 displays, which have been used by brands like Amazon, Kobo, and PocketBook. A new note-taking tablet featuring Kaleido 4 is scheduled to be launched in China on a future date, aiming to bring consumers closer to the ideal color e-reader experience.