To provide a high throughput film deposition means for film depositing an organic EL material made of polymer accurately and without any positional shift. A pixel portion is divided into a plurality of pixel rows by a bank, and a head portion of a thin film deposition apparatus is scanned along a pixel...http://www.google.de/patents/US7473928?utm_source=gb-gplus-sharePatent US7473928 - EL display device and a method of manufacturing the same
