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Cintiq/Lcd Tablet

Is it possible to make a replacement screen for a tablet pc to be a cintiq-like external display tablet? I've seen replacement screens available on eBay as well as tablets that are missing components like hdd, keyboard, ram, etc which could be used to obtain said screen. This would not be a stand-alone device like a tablet, but a second display for either a desktop or a laptop that would function as a screen and tablet for input, a cintiq clone. Thanks