 recycling broken e-reader screens...
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Conundrum
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Thu Dec 31 2009, 03:15PM
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Registered Member #96
Joined: Thu Feb 09 2006, 05:37PM
Location: CI, Earth
Posts: 4062
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hi all.
upon obtaining two defunct e-reader screens from a very nice guy on the mobileread forums, i did some forensic analysis.
seems that with some neurosurgery-like work i can carefully peel off the broken backplane leaving the rear elastomer contact and e-paper mostly intact.
cutting this into segments i then managed to interconnect the front ito layer and determined that driving the elastomer directly was feasible.
now, for the really icky part, i need to build a replacement backplane capable of taking >30V bipolar.
reckon the tft section from a small lcd would do? i'd only get vertical lines but this in itself would be useful.
the basic construction of an lcd panel is very similar.
either that or i may be able to make a primitive backplane using a piece of double sided pcb with through hole plating..
connecting to the film only requires pressure equivalent to a light touch.
anyone?
fwiw the resolution of even a damaged piece is impressive, seems like i could get 200*200 without much effort.
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