An active matrix liquid crystal device is provided with improved external terminal structures including an ITO (indiumtin-oxide) pad covering an interconnection wiring, and a layout of a passivation film for protecting an aluminium wiring from outer moisture....http://www.google.de/patents/US5187604?utm_source=gb-gplus-sharePatent US5187604 - Multi-layer external terminals of liquid crystal displays with thin-film transistors
