|02-06-2010, 07:05 PM||#1|
Join Date: Dec 2009
Reuse a cracked screen..
needless to say, this makes broken/cracked screens useful for something other than a paperweight. Thanks guys
this only works on some of the earlier screens such as the '500 and '505 but if you are careful most of the screen area can be salvaged.
shame the backplane is glued so well on the newer ones however.
i also discovered that heating up "dead" pieces recovers them to a working state so as long as the elastomer (tan brown substance) is intact and unpeeled it works fine
the front contact is easy, just scrape off elastomer and e-ink and confirm functionality with a 9v as shown.
as for connecting to it, the least painful option is to harvest elastomeric carbon loaded contacts from defunct watches or calculators (I scavenged the best ones from live test LCD poundland screwdrivers) and make a contact array on a scrap of copper clad PCB.
Once all working seal with epoxy etc (preferably something with no water content) and voila! your very own recycled e-ink display.
i toyed with the idea of using the backplane from a spare printer's LCD panel as this already has a suitable contact array but even if this worked the result would be a load of vertical lines as it has half the required contacts.
|02-07-2010, 01:42 AM||#2|
Join Date: Jan 2009
Device: Sony 505| K Fire | KK 3G+Wi-Fi | iPhone 3Gs |Vista 32-bit Hm Prem w/FF
So does it still work as a Reader once it is back on?
Then I got distracted by this one:
Hack a Flashlight to power your...
|02-13-2010, 10:30 AM||#3|
Join Date: Dec 2009
Um, no. However if you had access to a working backplane then it would.
I did discover something interesting though, connecting to the elastomer is possible using... wait for it... Calculator display conductors. The material you need can be had from any defunct calculator, small LCD panel etc (old epson printers are handy for this) and it works fairly well.
Haven't tried the copper bump trick yet, but one of my contacts on the 'Net tells me that it would be temperamental at best.
Maybe use some of that conducting anisotropic glue "gunk" they sell?
Or perhaps lay out an array of "bumps" of silver epoxy and drop the (dry) e-ink sheet onto that?
|hack, kludge, macgyver, recycle, weee|
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