E Ink unveils Kaleido 4 color e-paper with 50% more contrast

E Ink announced its Kaleido 4 color e-paper technology, doubling the color gamut volume of Kaleido 3 while boosting white reflectance by 15% and contrast by 50%. Refresh rates reach 18fps, and the first device to use it will be Hanvon's M10C II tablet, launching only in China.

• Kaleido 4 doubles the color gamut volume of Kaleido 3
• White reflectance up 15%, contrast up 50%
• Refresh rates up to 18fps enable video playback
• First device is Hanvon's M10C II tablet, China-only