In a thin film transistor type liquid crystal display apparatus including a plurality of driving signal lines, a plurality of data signal lines, a plurality of pixels each connected to one of the driving signal lines and one of the data signal lines, a common driving signal line connected to the driving...http://www.google.de/patents/US5652632?utm_source=gb-gplus-sharePatent US5652632 - LCD apparatus having electrostatic breakdown preventing configuration capable of testing each pixel
