Patent ID: 8339563

Claim:
A liquid crystal imager comprising: a transparent front plane plate, the transparent front plane plate including transparent front plane substrate, a transparent conductive coating and a top liquid crystal alignment film; a planar liquid crystal cell, the planar liquid crystal cell including a conductive seal ring and a liquid crystal filling enclosed by the conductive seal ring; a backplane plate, the backplane plate including a bottom liquid crystal alignment film, an electrode array layer and a backplane substrate, the electrode array layer containing a transmit cell connection pad and an planar array of reflective pixel electrodes and being electrically isolated by an electrode isolator, and the backplane substrate containing an active matrix driving circuitry; wherein the backplane plate further comprises: a set of input-output pads, the input-output pads being electrically connected to the active matrix driving circuitry; a bottom connection pad layer, the bottom connection pad layer containing a set of bottom bond pads of an equal number to the input-output pads; a set of thru-substrate via, the thru-substrate via electrically connecting the input-output pads to the bottom bond pads individually; wherein the conductive seal ring electrically connects the transparent conductive coating to the transmit cell connection pad; the driving circuitry are electrically connected to the transmit cell connection pad and the planar array of reflective pixel electrodes.