An X-ray imaging device having an erasure electrode disposed between an insulating layer and a photo-sensing layer. A switch selectively switches the erasure electrode to ground. Residual charges produce by the X-ray imaging process are discharged to ground after stored charges are readout and used to...http://www.google.ca/patents/US6518576?utm_source=gb-gplus-sharePatent US6518576 - X-ray imaging device and driving method thereof
