There are two kinds of screen fading problems in online reports, which has affected various brands such as Sony readers, iRex DR1000, Kindle 2...
[1] Ink permanently fade after using a period of time (1 year, 1.5 years...)
[2] Temporally sun fade.
Aren't there any problems above in Kindle DX devices? Does Electrophoretic ink get unstable over time based on the aging and fragile interaction between ink bubbles and electronic charges?
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