E Ink Unveils Kaleido 4 Color ePaper: 2x Color Gamut Volume, 50% Higher Contrast, 15% Brighter White Reflectance, and 18 FPS Video
Since color electronic paper entered mainstream consumer e-readers and digital notebooks, readers have grappled with a persistent compromise: while color filters brought book covers, graphic novels, and textbook annotations to life, they placed a dark, grayish mesh over the display that reduced background reflectance and demanded constant front-lighting. Addressing these core optical limitations, E Ink…
