How the Kindle Paperwhite Works
via NYTimes.com
How the Kindle Paperwhite Works – Graphic – NYTimes.com.
The Kindle Paperwhite uses a unique lighting system to illuminate its electronic ink display. Rather than using a backlight as on LCD-based tablets, the Paperwhite uses a transparent light guide that directs light from four edge-mounted LEDs down toward the surface of the display.
