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Neither of those things are dead pixels. They are lightguide defects/damage and grunge stuck on the screen. There is no such thing as a bright "stuck pixel" or "dead pixel" on e-ink. It's an LCD phenomenon.
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Originally Posted by arspr
Why not?
I mean, why can't the e-ink microspheres get "stuck", "broken", "fixed" or whatever? What makes them unbreakable?
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I'm pretty sure this falls under "asked and answered" - but again - yes, you can have fixed dark spots on an e-ink screen. These are burst microcapsules, not stuck pixels. Bright shining spots are never burst capsules or "stuck pixels" (again, stuck pixels are an LCD phenomenon, not eink) - bright spots on frontlit eink screens are light guide/light layer issues, either manufacturing defects or physical damage.
Never did I say e-ink screens are always perfect. I said that they don't have bright stuck pixels. Words mean stuff. Going to manufacturers insisting that your eink device has a stuck pixel isn't necessarily going to be the road to success.