An active matrix liquid crystal display (AMLCD) with a high aperture ratio and with an etch stopper formed by a back exposure method, and not with an additional pattern mask. The AMLCD has a gate line that extends in a first direction on the substrate and has a first region that corresponds to the gate...http://www.google.com.au/patents/US6130729?utm_source=gb-gplus-sharePatent US6130729 - Method of making an AMLCD where the etch stopper is formed without first preparing a pattern mask
