E Ink shows off Spectra three-color electronic paper displays


E Ink has demonstrated Spectra, a new type of display that adds a third color to the company’s grayscale electronic paper found in e-readers such as the Kindle. The current Spectra screens feature black, white, and red “microcups” that move to the surface of the display as required, though E Ink says other colors will be produced in the future. Engadget reports that the company is also producing displays with blue and green pigmentation.

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