E Ink

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A type of display used in e-readers.

E Ink displays only use power when changing the contents of the display, which allows a device with an E Ink display to have an extremely long battery life.

E Ink displays can be read in bright sunlight like a printed book.

E Ink displays are slow to refresh, which makes them impractical for displaying video or animation.

E Ink displays are typically black-and-white, but colour E Ink displays are entering the market.

Technically, E Ink is a brand name used by E Ink Corporation, but the term has come to be used for all similar displays.

Also see: LCD.