: Re: What does the extremely fragile glass do in Kindle3's pearl e-ink display? I've recently seen two great tutorials that disassemble the Kindle 3 for repairing. One is this great Fix your broken

@Lorraine

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E-ink displays have to be mounted on a surface. In this case I assume that was done on the glass. This keeps the E-ink nice and flat (good for equal visibility of all pixels) and for extra reflectiveness of ambient light, if the glass is part of a mirror (as it seems to be).

The display is actually a thin film transistor array and my guess is that if the supporting glass breaks, some of the circuitry of the thin film get ripped. A single rip across the width or height would make addressing the film as an array impossible.

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