An organic thin film transistor comprising an organic semiconductor layer that does not cause a coffee stain effect and can prevent an imperfect contact with source and drain electrodes, and a flat panel display apparatus comprising the organic thin film transistor are provided. The organic thin film...http://www.google.es/patents/US7507990?utm_source=gb-gplus-sharePatente US7507990 - Organic thin film transistor having circular organic semiconductor layer and flat panel display including the same
Organic thin film transistor having circular organic semiconductor layer and ...
