A display device including a substrate and at least one thin film transistor formed over the substrate, wherein the thin film transistor includes a semiconductor film. An insulating film including an inorganic material is provided over the thin film transistor. A leveling film including an organic resin...http://www.google.com.au/patents/US6778231?utm_source=gb-gplus-sharePatent US6778231 - Electro-optical display device