Quote:
Originally Posted by HarryT
Goodness knows why, but practical experience does suggest that 1st Gen eInk screens fade in bright direct sunlight, whereas VizPlex screens do not. WHY that's the case I don't know.
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From what i've experienced and read, it seems this only happens while refreshing the screen (i.e. while the film/electrodes are applying an electrical field), so it really does seem to have something to do with the film. I just don't get what
Except, maybe, if it isn't really (sun)light related, but heat related. Heat could increase the resistance and cause a voltage drop, which could, in turn, cause the capsules to "polarize incompletely" (and turn gray instead of full black).