Cracked touch-screen

Someone from Prius-UK cracked his screen on his T4 Prius after putting a sat nav on the touch-screen (DOH!). I was kind enough to let him have a brand new screen I'd been stock-piling. I'll take this screen apart and have a look eventually. The display works great, but the centre part doesn't respond to touch-screen pushes.

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Comments

Mike Dimmick says:

Touch-screens work by having a pair of thin films across the surface of the screen, and measuring the resistance between the two. When the top film is pressed down against the bottom one, contact is made, current flows and the position of the contact is detected.

(There are other sorts of touch-screen but I expect this is a resistive system, as they're the most common.)

How touch-screens work

I suspect that the films will have been damaged so that current no longer flows in the damaged section. There's no way to replace this as the films are basically a coating on the screen. It needs a new screen.
Posted 6 months ago. ( permalink )

aminorjourney says:

My thoughts exactly. I'm hoping however, to use the screen in a non touch-screen format as a second screen in the back of my Prius (possibly).

That's a project which will have to wait a while though! I have two others which need work first!
Posted 6 months ago. ( permalink )

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Taken with a Panasonic DMC-FZ20.
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Taken on December 31, 2008

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