TechE Ink upgrades the screen used in most color e-readers

E Ink unveiled Kaleido 4, a color e-paper technology with improved color reproduction, contrast, and refresh rates. It still displays only 4,096 colors, but boosts white reflectance by 15 percent and contrast by 50 percent, with refresh rates up to 18fps. Hanvon Technology will debut the screen in its upcoming M10C II tablet, available only in China.

E Inkcolor e-paperKaleido 4e-readers

TThe Verge★★☆☆☆2026-10-15 16:00Original