Color E-Readers Finally Available to Consumers - Technology Review

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The Mirasol display, which uses tiny mirrors to refract light in a way that is reminiscent of irridescent butterfly wings, has apparently been especially hard to manufacture, because it's taken more than four years to ramp production volume to the point that this display could be sold to consumers. The result are devices (still only available in Asia) with 5.3 inch, 800-480 pixel screens. That means a display density of 223 pixels-per-inch, which is twice the resolution of an iPad but falls short of the resolution in Apple's Retina display. Mirasol has a high enough refresh rate to allow web navigation and video playback, albeit with some flicker.

Mirasol's primary competition is E-ink's Triton display, which uses the same technology found in the black and white displays that Kindle made famous, but overlays them with a color filter.

Color E-Readers Finally Available to Consumers - Technology Review